17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 277c478bd9Sstevel@tonic-gate * Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T. 287c478bd9Sstevel@tonic-gate * All Rights Reserved 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #include <sys/param.h> 327c478bd9Sstevel@tonic-gate #include <sys/types.h> 337c478bd9Sstevel@tonic-gate #include <sys/systm.h> 347c478bd9Sstevel@tonic-gate #include <sys/cred.h> 357c478bd9Sstevel@tonic-gate #include <sys/buf.h> 367c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 37aa59c4cbSrsb #include <sys/vfs_opreg.h> 387c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 397c478bd9Sstevel@tonic-gate #include <sys/uio.h> 407c478bd9Sstevel@tonic-gate #include <sys/errno.h> 417c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 427c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 437c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 447c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 457c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 467c478bd9Sstevel@tonic-gate #include <sys/debug.h> 477c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 487c478bd9Sstevel@tonic-gate #include <sys/flock.h> 497c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 507c478bd9Sstevel@tonic-gate #include <sys/nbmlock.h> 517c478bd9Sstevel@tonic-gate #include <sys/share.h> 527c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 537c478bd9Sstevel@tonic-gate #include <sys/policy.h> 547c478bd9Sstevel@tonic-gate #include <sys/fem.h> 5545916cd2Sjpk #include <sys/sdt.h> 56cee86682Scalum #include <sys/ddi.h> 575679c89fSjv #include <sys/zone.h> 587c478bd9Sstevel@tonic-gate 592f172c55SRobert Thurlow #include <fs/fs_reparse.h> 602f172c55SRobert Thurlow 617c478bd9Sstevel@tonic-gate #include <rpc/types.h> 627c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 637c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 647c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 677c478bd9Sstevel@tonic-gate #include <nfs/export.h> 68b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <nfs/nfs_cmd.h> 697c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 707c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 737c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate #include <inet/common.h> 767c478bd9Sstevel@tonic-gate #include <inet/ip.h> 777c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 787c478bd9Sstevel@tonic-gate 7945916cd2Sjpk #include <sys/tsol/label.h> 8045916cd2Sjpk #include <sys/tsol/tndb.h> 8145916cd2Sjpk 827c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 837c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 847c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 850a701b1eSRobert Gordon static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 860a701b1eSRobert Gordon extern struct svc_ops rdma_svc_ops; 87*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States extern int nfs_loaned_buffers; 88*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* End of Tunables */ 897c478bd9Sstevel@tonic-gate 900a701b1eSRobert Gordon static int rdma_setup_read_data4(READ4args *, READ4res *); 910a701b1eSRobert Gordon 927c478bd9Sstevel@tonic-gate /* 937c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 947c478bd9Sstevel@tonic-gate */ 957c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate /* 987c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 997c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 1007c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 1017c478bd9Sstevel@tonic-gate * XDR encoded dirent. 1027c478bd9Sstevel@tonic-gate * 1037c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 1047c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1057c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1067c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1077c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1087c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1097c478bd9Sstevel@tonic-gate * 1107c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1117c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1127c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1137c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1147c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1157c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1167c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1177c478bd9Sstevel@tonic-gate * 1187c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1197c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1207c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1217c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1227c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1237c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1247c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1257c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1267c478bd9Sstevel@tonic-gate */ 1277c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1287c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1297c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1307c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1317c478bd9Sstevel@tonic-gate 1327c478bd9Sstevel@tonic-gate /* 1337c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1347c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1357c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1367c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1377c478bd9Sstevel@tonic-gate * UTF8 functions. 1387c478bd9Sstevel@tonic-gate * 1397c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1407c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1417c478bd9Sstevel@tonic-gate * 1427c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1437c478bd9Sstevel@tonic-gate * 1447c478bd9Sstevel@tonic-gate */ 1457c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1467c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1517c478bd9Sstevel@tonic-gate 1520a701b1eSRobert Gordon u_longlong_t nfs4_srv_caller_id; 1530a701b1eSRobert Gordon uint_t nfs4_srv_vkey = 0; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1567c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1577c478bd9Sstevel@tonic-gate 1580a701b1eSRobert Gordon void rfs4_init_compound_state(struct compound_state *); 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1617c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1627c478bd9Sstevel@tonic-gate struct compound_state *); 1637c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1647c478bd9Sstevel@tonic-gate struct compound_state *); 1657c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1667c478bd9Sstevel@tonic-gate struct compound_state *); 1677c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1687c478bd9Sstevel@tonic-gate struct compound_state *); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1707c478bd9Sstevel@tonic-gate struct compound_state *); 1717c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1727c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 173f3b585ceSsamf struct svc_req *, struct compound_state *); 174f3b585ceSsamf static void rfs4_op_delegpurge(nfs_argop4 *, nfs_resop4 *, 175f3b585ceSsamf struct svc_req *, struct compound_state *); 1767c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1777c478bd9Sstevel@tonic-gate struct compound_state *); 1787c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1797c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1807c478bd9Sstevel@tonic-gate struct compound_state *); 1817c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1827c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1837c478bd9Sstevel@tonic-gate struct compound_state *); 1847c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1857c478bd9Sstevel@tonic-gate struct compound_state *); 1867c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1877c478bd9Sstevel@tonic-gate struct compound_state *); 1887c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1897c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1907c478bd9Sstevel@tonic-gate struct compound_state *); 1917c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1927c478bd9Sstevel@tonic-gate struct compound_state *); 1937c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1947c478bd9Sstevel@tonic-gate struct compound_state *); 1957c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1967c478bd9Sstevel@tonic-gate struct compound_state *); 1977c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 1987c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 1997c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2007c478bd9Sstevel@tonic-gate struct compound_state *); 2017c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2027c478bd9Sstevel@tonic-gate struct compound_state *); 2037c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 2047c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2057c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 2067c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2077c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2087c478bd9Sstevel@tonic-gate struct compound_state *); 2097c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2107c478bd9Sstevel@tonic-gate struct compound_state *); 2117c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2127c478bd9Sstevel@tonic-gate struct compound_state *); 2137c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2147c478bd9Sstevel@tonic-gate struct compound_state *); 2157c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2167c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2177c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2187c478bd9Sstevel@tonic-gate struct compound_state *); 2197c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2207c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2217c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2227c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2237c478bd9Sstevel@tonic-gate struct compound_state *); 2247c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2257c478bd9Sstevel@tonic-gate struct compound_state *); 2267c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2277c478bd9Sstevel@tonic-gate struct compound_state *); 2287c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2297c478bd9Sstevel@tonic-gate struct compound_state *); 2307c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2317c478bd9Sstevel@tonic-gate struct compound_state *); 2327c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2337c478bd9Sstevel@tonic-gate struct compound_state *); 2347c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2357c478bd9Sstevel@tonic-gate struct compound_state *); 2367c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2377c478bd9Sstevel@tonic-gate struct compound_state *); 2387c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2397c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2407c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2417c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2427c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2437c478bd9Sstevel@tonic-gate struct compound_state *); 2447c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2457c478bd9Sstevel@tonic-gate 2467c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2477c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2487c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 2492f172c55SRobert Thurlow void rfs4_ss_clid(rfs4_client_t *); 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate /* 2527c478bd9Sstevel@tonic-gate * translation table for attrs 2537c478bd9Sstevel@tonic-gate */ 2547c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2557c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2567c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2577c478bd9Sstevel@tonic-gate int attrcnt; 2587c478bd9Sstevel@tonic-gate bool_t vfsstat; 2597c478bd9Sstevel@tonic-gate }; 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2627c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2637c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2667c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2677c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2687c478bd9Sstevel@tonic-gate 2690a701b1eSRobert Gordon fem_t *deleg_rdops; 2700a701b1eSRobert Gordon fem_t *deleg_wrops; 2717c478bd9Sstevel@tonic-gate 2720a701b1eSRobert Gordon rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2730a701b1eSRobert Gordon kmutex_t rfs4_servinst_lock; /* protects linked list */ 2747c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate /* 2777c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2787c478bd9Sstevel@tonic-gate */ 2797c478bd9Sstevel@tonic-gate 2807c478bd9Sstevel@tonic-gate struct rfsv4disp { 2817c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2827c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2837c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2847c478bd9Sstevel@tonic-gate }; 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2877c478bd9Sstevel@tonic-gate /* 2887c478bd9Sstevel@tonic-gate * NFS VERSION 4 2897c478bd9Sstevel@tonic-gate */ 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2927c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2957c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 2987c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2997c478bd9Sstevel@tonic-gate 3007c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 3017c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3047c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3077c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3107c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 313f3b585ceSsamf {rfs4_op_delegpurge, nullfree, 0}, 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3167c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3197c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3227c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3257c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3287c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3317c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3347c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3370a701b1eSRobert Gordon {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3400a701b1eSRobert Gordon {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3417c478bd9Sstevel@tonic-gate 3427c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3437c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3467c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3497c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3527c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3557c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3587c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3617c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3647c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3677c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3707c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3737c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3767c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3797c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3827c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3857c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3887c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3917c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3947c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3977c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 4007c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 4037c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4067c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4097c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4107c478bd9Sstevel@tonic-gate }; 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4157c478bd9Sstevel@tonic-gate 4167c478bd9Sstevel@tonic-gate #ifdef DEBUG 4177c478bd9Sstevel@tonic-gate 4180a701b1eSRobert Gordon int rfs4_fillone_debug = 0; 4190a701b1eSRobert Gordon int rfs4_no_stub_access = 1; 4200a701b1eSRobert Gordon int rfs4_rddir_debug = 0; 4217c478bd9Sstevel@tonic-gate 4220a701b1eSRobert Gordon static char *rfs4_op_string[] = { 4237c478bd9Sstevel@tonic-gate "rfs4_op_null", 4247c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4257c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4267c478bd9Sstevel@tonic-gate "rfs4_op_access", 4277c478bd9Sstevel@tonic-gate "rfs4_op_close", 4287c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4297c478bd9Sstevel@tonic-gate "rfs4_op_create", 4307c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4317c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4327c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4337c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4347c478bd9Sstevel@tonic-gate "rfs4_op_link", 4357c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4367c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4377c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4387c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4397c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4407c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4417c478bd9Sstevel@tonic-gate "rfs4_op_open", 4427c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4437c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4447c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4457c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4467c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4477c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4487c478bd9Sstevel@tonic-gate "rfs4_op_read", 4497c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4507c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4517c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4527c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4537c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4547c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4557c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4567c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4577c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4587c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4597c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4607c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4617c478bd9Sstevel@tonic-gate "rfs4_op_write", 4627c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4637c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4647c478bd9Sstevel@tonic-gate }; 4657c478bd9Sstevel@tonic-gate #endif 4667c478bd9Sstevel@tonic-gate 4670a701b1eSRobert Gordon void rfs4_ss_chkclid(rfs4_client_t *); 4687c478bd9Sstevel@tonic-gate 4690a701b1eSRobert Gordon extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 470cee86682Scalum 4712f172c55SRobert Thurlow extern void rfs4_free_fs_locations4(fs_locations4 *); 4722f172c55SRobert Thurlow 4737c478bd9Sstevel@tonic-gate #ifdef nextdp 4747c478bd9Sstevel@tonic-gate #undef nextdp 4757c478bd9Sstevel@tonic-gate #endif 4767c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4777c478bd9Sstevel@tonic-gate 4787c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 479cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 480cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 481cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 482aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 483cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 484cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 485cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_rd_vnevent }, 486aa59c4cbSrsb NULL, NULL 4877c478bd9Sstevel@tonic-gate }; 4887c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 489cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 490cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 491cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 492cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 493aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 494cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 495cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 496cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_wr_vnevent }, 497aa59c4cbSrsb NULL, NULL 4987c478bd9Sstevel@tonic-gate }; 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate int 5017c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 5027c478bd9Sstevel@tonic-gate { 5037c478bd9Sstevel@tonic-gate timespec32_t verf; 5047c478bd9Sstevel@tonic-gate int error; 5057c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5067c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5077c478bd9Sstevel@tonic-gate 5087c478bd9Sstevel@tonic-gate /* 5097c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5107c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5117c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5127c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5137c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5147c478bd9Sstevel@tonic-gate * different servers. 5157c478bd9Sstevel@tonic-gate * 5167c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5177c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5187c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5197c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5207c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5217c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5227c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5237c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5247c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5257c478bd9Sstevel@tonic-gate */ 5265679c89fSjv verf.tv_sec = (time_t)zone_get_hostid(NULL); 5277c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5287c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5297c478bd9Sstevel@tonic-gate } else { 5307c478bd9Sstevel@tonic-gate timespec_t tverf; 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5337c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5347c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5357c478bd9Sstevel@tonic-gate } 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5407c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5437c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5467c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5497c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5527c478bd9Sstevel@tonic-gate if (error != 0) { 5537c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5547c478bd9Sstevel@tonic-gate } else { 5557c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5561b300de9Sjwahlig &deleg_wrops); 5577c478bd9Sstevel@tonic-gate if (error != 0) { 5587c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5597c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate } 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5667c478bd9Sstevel@tonic-gate 5671b300de9Sjwahlig vsd_create(&nfs4_srv_vkey, NULL); 5681b300de9Sjwahlig 5697c478bd9Sstevel@tonic-gate return (0); 5707c478bd9Sstevel@tonic-gate } 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate void 5737c478bd9Sstevel@tonic-gate rfs4_srvrfini(void) 5747c478bd9Sstevel@tonic-gate { 5757c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5767c478bd9Sstevel@tonic-gate 5777c478bd9Sstevel@tonic-gate if (lockt_sysid != LM_NOSYSID) { 5787c478bd9Sstevel@tonic-gate lm_free_sysidt(lockt_sysid); 5797c478bd9Sstevel@tonic-gate lockt_sysid = LM_NOSYSID; 5807c478bd9Sstevel@tonic-gate } 5817c478bd9Sstevel@tonic-gate 5827c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_deleg_lock); 5837c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_state_lock); 5847c478bd9Sstevel@tonic-gate rw_destroy(&rfs4_deleg_policy_lock); 5857c478bd9Sstevel@tonic-gate 5867c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5877c478bd9Sstevel@tonic-gate fem_free(deleg_wrops); 5887c478bd9Sstevel@tonic-gate } 5897c478bd9Sstevel@tonic-gate 5907c478bd9Sstevel@tonic-gate void 5917c478bd9Sstevel@tonic-gate rfs4_init_compound_state(struct compound_state *cs) 5927c478bd9Sstevel@tonic-gate { 5937c478bd9Sstevel@tonic-gate bzero(cs, sizeof (*cs)); 5947c478bd9Sstevel@tonic-gate cs->cont = TRUE; 5957c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_DENIED; 5967c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 5977c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 5987c478bd9Sstevel@tonic-gate cs->fh.nfs_fh4_val = cs->fhbuf; 5997c478bd9Sstevel@tonic-gate } 6007c478bd9Sstevel@tonic-gate 6017c478bd9Sstevel@tonic-gate void 6027c478bd9Sstevel@tonic-gate rfs4_grace_start(rfs4_servinst_t *sip) 6037c478bd9Sstevel@tonic-gate { 6047c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 605d3d50737SRafael Vanoni sip->start_time = (time_t)TICK_TO_SEC(ddi_get_lbolt()); 6067c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6077c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6087c478bd9Sstevel@tonic-gate } 6097c478bd9Sstevel@tonic-gate 6107c478bd9Sstevel@tonic-gate /* 6117c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6127c478bd9Sstevel@tonic-gate */ 6137c478bd9Sstevel@tonic-gate int 6147c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6157c478bd9Sstevel@tonic-gate { 6167c478bd9Sstevel@tonic-gate time_t start_time; 6177c478bd9Sstevel@tonic-gate 6187c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6197c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6207c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6217c478bd9Sstevel@tonic-gate 6227c478bd9Sstevel@tonic-gate return (start_time == 0); 6237c478bd9Sstevel@tonic-gate } 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate /* 6267c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6277c478bd9Sstevel@tonic-gate * grace period. 6287c478bd9Sstevel@tonic-gate */ 6297c478bd9Sstevel@tonic-gate int 6307c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6317c478bd9Sstevel@tonic-gate { 6327c478bd9Sstevel@tonic-gate time_t grace_expiry; 6337c478bd9Sstevel@tonic-gate 6347c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6357c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6367c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6377c478bd9Sstevel@tonic-gate 638d3d50737SRafael Vanoni return (((time_t)TICK_TO_SEC(ddi_get_lbolt())) < grace_expiry); 6397c478bd9Sstevel@tonic-gate } 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate int 6427c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6437c478bd9Sstevel@tonic-gate { 644d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 6457c478bd9Sstevel@tonic-gate 646d216dff5SRobert Mastors return (rfs4_servinst_in_grace(cp->rc_server_instance)); 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate /* 6507c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6517c478bd9Sstevel@tonic-gate */ 6527c478bd9Sstevel@tonic-gate void 6537c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6547c478bd9Sstevel@tonic-gate { 6557c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6567c478bd9Sstevel@tonic-gate 6577c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 658cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 659cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6607c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6617c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6627c478bd9Sstevel@tonic-gate } 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate /* 6657c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6667c478bd9Sstevel@tonic-gate */ 6677c478bd9Sstevel@tonic-gate void 6687c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6697c478bd9Sstevel@tonic-gate { 6707c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6717c478bd9Sstevel@tonic-gate 6727c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 673cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6747c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6757c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6767c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 677cee86682Scalum } 678cee86682Scalum 679cee86682Scalum static rfs4_dss_path_t * 680cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 681cee86682Scalum { 682cee86682Scalum size_t len; 683cee86682Scalum rfs4_dss_path_t *dss_path; 684cee86682Scalum 685cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 686cee86682Scalum 687cee86682Scalum /* 688cee86682Scalum * Take a copy of the string, since the original may be overwritten. 689cee86682Scalum * Sadly, no strdup() in the kernel. 690cee86682Scalum */ 691cee86682Scalum /* allow for NUL */ 692cee86682Scalum len = strlen(path) + 1; 693cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 694cee86682Scalum (void) strlcpy(dss_path->path, path, len); 695cee86682Scalum 696cee86682Scalum /* associate with servinst */ 697cee86682Scalum dss_path->sip = sip; 698cee86682Scalum dss_path->index = index; 699cee86682Scalum 700cee86682Scalum /* 701cee86682Scalum * Add to list of served paths. 702cee86682Scalum * No locking required, as we're only ever called at startup. 703cee86682Scalum */ 704cee86682Scalum if (rfs4_dss_pathlist == NULL) { 705cee86682Scalum /* this is the first dss_path_t */ 7067c478bd9Sstevel@tonic-gate 707cee86682Scalum /* needed for insque/remque */ 708cee86682Scalum dss_path->next = dss_path->prev = dss_path; 709cee86682Scalum 710cee86682Scalum rfs4_dss_pathlist = dss_path; 711cee86682Scalum } else { 712cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 713cee86682Scalum } 714cee86682Scalum 715cee86682Scalum return (dss_path); 7167c478bd9Sstevel@tonic-gate } 7177c478bd9Sstevel@tonic-gate 7187c478bd9Sstevel@tonic-gate /* 7197c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7207c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7217c478bd9Sstevel@tonic-gate * recovery window. 7227c478bd9Sstevel@tonic-gate */ 7237c478bd9Sstevel@tonic-gate void 724cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7257c478bd9Sstevel@tonic-gate { 726cee86682Scalum unsigned i; 7277c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 728cee86682Scalum rfs4_oldstate_t *oldstate; 7297c478bd9Sstevel@tonic-gate 7307c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7317c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7347c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7357c478bd9Sstevel@tonic-gate sip->next = NULL; 7367c478bd9Sstevel@tonic-gate sip->prev = NULL; 7377c478bd9Sstevel@tonic-gate 738cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 739cee86682Scalum /* 740cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 741cee86682Scalum * It must be skipped over whenever the list is traversed. 742cee86682Scalum */ 743cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 744cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 745cee86682Scalum oldstate->next = oldstate; 746cee86682Scalum oldstate->prev = oldstate; 747cee86682Scalum sip->oldstate = oldstate; 748cee86682Scalum 749cee86682Scalum 750cee86682Scalum sip->dss_npaths = dss_npaths; 751cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 752cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 753cee86682Scalum 754cee86682Scalum for (i = 0; i < dss_npaths; i++) { 755cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 756cee86682Scalum } 757cee86682Scalum 7587c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 759cee86682Scalum if (rfs4_cur_servinst != NULL) { 7607c478bd9Sstevel@tonic-gate /* add to linked list */ 7617c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7627c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7637c478bd9Sstevel@tonic-gate } 7647c478bd9Sstevel@tonic-gate if (start_grace) 7657c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7667c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7677c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7687c478bd9Sstevel@tonic-gate 769cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7707c478bd9Sstevel@tonic-gate } 7717c478bd9Sstevel@tonic-gate 7727c478bd9Sstevel@tonic-gate /* 7737c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7747c478bd9Sstevel@tonic-gate * all instances directly. 7757c478bd9Sstevel@tonic-gate */ 7767c478bd9Sstevel@tonic-gate void 7777c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7787c478bd9Sstevel@tonic-gate { 7797c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7807c478bd9Sstevel@tonic-gate #ifdef DEBUG 7817c478bd9Sstevel@tonic-gate int n = 0; 7827c478bd9Sstevel@tonic-gate #endif 7837c478bd9Sstevel@tonic-gate 7847c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7857c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7867c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7877c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7887c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7897c478bd9Sstevel@tonic-gate prev = sip->prev; 7907c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 791cee86682Scalum if (sip->oldstate) 792cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 793cee86682Scalum if (sip->dss_paths) 794cee86682Scalum kmem_free(sip->dss_paths, 795cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7967c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7977c478bd9Sstevel@tonic-gate #ifdef DEBUG 7987c478bd9Sstevel@tonic-gate n++; 7997c478bd9Sstevel@tonic-gate #endif 8007c478bd9Sstevel@tonic-gate } 8017c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8027c478bd9Sstevel@tonic-gate } 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate /* 8057c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 806d216dff5SRobert Mastors * Should be called with cp->rc_dbe held. 8077c478bd9Sstevel@tonic-gate */ 8087c478bd9Sstevel@tonic-gate void 8097c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8107c478bd9Sstevel@tonic-gate { 811d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate /* 8147c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8157c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8167c478bd9Sstevel@tonic-gate */ 8177c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 818d216dff5SRobert Mastors cp->rc_server_instance = sip; 8197c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8207c478bd9Sstevel@tonic-gate } 8217c478bd9Sstevel@tonic-gate 8227c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8237c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8247c478bd9Sstevel@tonic-gate { 825d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8267c478bd9Sstevel@tonic-gate 827d216dff5SRobert Mastors return (cp->rc_server_instance); 8287c478bd9Sstevel@tonic-gate } 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8317c478bd9Sstevel@tonic-gate static void 8327c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8337c478bd9Sstevel@tonic-gate { 8347c478bd9Sstevel@tonic-gate } 8357c478bd9Sstevel@tonic-gate 8367c478bd9Sstevel@tonic-gate /* 8377c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8387c478bd9Sstevel@tonic-gate */ 8397c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8407c478bd9Sstevel@tonic-gate static void 8417c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8427c478bd9Sstevel@tonic-gate struct compound_state *cs) 8437c478bd9Sstevel@tonic-gate { 8447c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8457c478bd9Sstevel@tonic-gate } 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate /* 8487c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8497c478bd9Sstevel@tonic-gate */ 8507c478bd9Sstevel@tonic-gate bool_t 8517c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8527c478bd9Sstevel@tonic-gate { 8537c478bd9Sstevel@tonic-gate int i; 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8567c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8577c478bd9Sstevel@tonic-gate return (TRUE); 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate return (FALSE); 8607c478bd9Sstevel@tonic-gate } 8617c478bd9Sstevel@tonic-gate 8627c478bd9Sstevel@tonic-gate /* 8637c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8647c478bd9Sstevel@tonic-gate * export structure associated with the component. 8657c478bd9Sstevel@tonic-gate */ 8667c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8677c478bd9Sstevel@tonic-gate static nfsstat4 8687c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8697c478bd9Sstevel@tonic-gate { 8707c478bd9Sstevel@tonic-gate int error, different_export = 0; 8717c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8727c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8737c478bd9Sstevel@tonic-gate fid_t fid; 8747c478bd9Sstevel@tonic-gate uint_t count, i; 8757c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8767c478bd9Sstevel@tonic-gate struct secinfo *secp; 8771b300de9Sjwahlig seconfig_t *si; 8787c478bd9Sstevel@tonic-gate bool_t did_traverse; 8797c478bd9Sstevel@tonic-gate int dotdot, walk; 8807c478bd9Sstevel@tonic-gate 8817c478bd9Sstevel@tonic-gate dvp = cs->vp; 8827c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate /* 8857c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8867c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8877c478bd9Sstevel@tonic-gate */ 8887c478bd9Sstevel@tonic-gate if (dotdot) { 8897c478bd9Sstevel@tonic-gate 8907c478bd9Sstevel@tonic-gate /* 8917c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8927c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8937c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8947c478bd9Sstevel@tonic-gate */ 8957c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate /* 8987c478bd9Sstevel@tonic-gate * If at the system root, then can 8997c478bd9Sstevel@tonic-gate * go up no further. 9007c478bd9Sstevel@tonic-gate */ 9017c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 9027c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate /* 9057c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9067c478bd9Sstevel@tonic-gate */ 9077c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9087c478bd9Sstevel@tonic-gate 9097c478bd9Sstevel@tonic-gate /* 9107c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9117c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9127c478bd9Sstevel@tonic-gate * this new filesystem. 9137c478bd9Sstevel@tonic-gate */ 9147c478bd9Sstevel@tonic-gate different_export = 1; 9157c478bd9Sstevel@tonic-gate } else { 9167c478bd9Sstevel@tonic-gate 9177c478bd9Sstevel@tonic-gate /* 9187c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9197c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9207c478bd9Sstevel@tonic-gate */ 9217c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9227c478bd9Sstevel@tonic-gate } 9237c478bd9Sstevel@tonic-gate } 9247c478bd9Sstevel@tonic-gate 9257c478bd9Sstevel@tonic-gate /* 9267c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9277c478bd9Sstevel@tonic-gate */ 928da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 929da6c28aaSamw NULL, NULL, NULL); 9307c478bd9Sstevel@tonic-gate if (error) 9317c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9327c478bd9Sstevel@tonic-gate 9337c478bd9Sstevel@tonic-gate /* 9347c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9357c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9367c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9377c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9387c478bd9Sstevel@tonic-gate */ 9397c478bd9Sstevel@tonic-gate if (!different_export && 9407c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9417c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9427c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9437c478bd9Sstevel@tonic-gate VN_RELE(vp); 9447c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate } 9477c478bd9Sstevel@tonic-gate 9487c478bd9Sstevel@tonic-gate /* 9497c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9507c478bd9Sstevel@tonic-gate */ 9517c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 9527c478bd9Sstevel@tonic-gate tvp = vp; 9537c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 9547c478bd9Sstevel@tonic-gate VN_RELE(vp); 9557c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9567c478bd9Sstevel@tonic-gate } 9577c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9587c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9597c478bd9Sstevel@tonic-gate vp = tvp; 9607c478bd9Sstevel@tonic-gate different_export = 1; 9617c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9627c478bd9Sstevel@tonic-gate /* 9637c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9647c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9657c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9667c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9677c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9687c478bd9Sstevel@tonic-gate * traverse) 9697c478bd9Sstevel@tonic-gate */ 9707c478bd9Sstevel@tonic-gate different_export = 1; 9717c478bd9Sstevel@tonic-gate did_traverse = FALSE; 9727c478bd9Sstevel@tonic-gate } 9737c478bd9Sstevel@tonic-gate 9747c478bd9Sstevel@tonic-gate /* 9757c478bd9Sstevel@tonic-gate * Get the export information for it. 9767c478bd9Sstevel@tonic-gate */ 9777c478bd9Sstevel@tonic-gate if (different_export) { 9787c478bd9Sstevel@tonic-gate 9797c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9807c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9817c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9827c478bd9Sstevel@tonic-gate if (error) { 9837c478bd9Sstevel@tonic-gate VN_RELE(vp); 9847c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9857c478bd9Sstevel@tonic-gate } 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate if (dotdot) 9887c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9897c478bd9Sstevel@tonic-gate else 9907c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9917c478bd9Sstevel@tonic-gate 9927c478bd9Sstevel@tonic-gate if (exi == NULL) { 9937c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9947c478bd9Sstevel@tonic-gate /* 9957c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9967c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9977c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9987c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9997c478bd9Sstevel@tonic-gate * vnode lives in. 10007c478bd9Sstevel@tonic-gate */ 10017c478bd9Sstevel@tonic-gate exi = cs->exi; 10027c478bd9Sstevel@tonic-gate } else { 10037c478bd9Sstevel@tonic-gate VN_RELE(vp); 10047c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10057c478bd9Sstevel@tonic-gate } 10067c478bd9Sstevel@tonic-gate } 10077c478bd9Sstevel@tonic-gate } else { 10087c478bd9Sstevel@tonic-gate exi = cs->exi; 10097c478bd9Sstevel@tonic-gate } 10107c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10117c478bd9Sstevel@tonic-gate 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate /* 10147c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10157c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10167c478bd9Sstevel@tonic-gate * 10177c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10187c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10197c478bd9Sstevel@tonic-gate * has access with. 10207c478bd9Sstevel@tonic-gate */ 10217c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10227c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10237c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10247c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10257c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10267c478bd9Sstevel@tonic-gate 10277c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10281b300de9Sjwahlig si = &secp[i].s_secinfo; 10291b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10301b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 10311b300de9Sjwahlig rpcsec_gss_info *info; 10321b300de9Sjwahlig 10331b300de9Sjwahlig info = &resok_val[i].flavor_info; 10341b300de9Sjwahlig info->qop = si->sc_qop; 10351b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10361b300de9Sjwahlig 10371b300de9Sjwahlig /* get oid opaque data */ 10381b300de9Sjwahlig info->oid.sec_oid4_len = 10391b300de9Sjwahlig si->sc_gss_mech_type->length; 10401b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10411b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10421b300de9Sjwahlig bcopy( 10431b300de9Sjwahlig si->sc_gss_mech_type->elements, 10441b300de9Sjwahlig info->oid.sec_oid4_val, 10451b300de9Sjwahlig info->oid.sec_oid4_len); 10461b300de9Sjwahlig } 10477c478bd9Sstevel@tonic-gate } 10487c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10497c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10507c478bd9Sstevel@tonic-gate } else { 10517c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10527c478bd9Sstevel@tonic-gate int *flavor_list; 10537c478bd9Sstevel@tonic-gate 10547c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10557c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10567c478bd9Sstevel@tonic-gate 10577c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10587c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10597c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10607c478bd9Sstevel@tonic-gate int access, flavor, perm; 10617c478bd9Sstevel@tonic-gate 10627c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10637c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10661b300de9Sjwahlig flavor, perm); 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10697c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10707c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10717c478bd9Sstevel@tonic-gate ret_cnt++; 10727c478bd9Sstevel@tonic-gate } 10737c478bd9Sstevel@tonic-gate } 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10767c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 1079f3b585ceSsamf /* 1080f3b585ceSsamf * If the flavor is in the flavor list, 1081f3b585ceSsamf * fill in resok_val. 1082f3b585ceSsamf */ 10831b300de9Sjwahlig si = &secp[i].s_secinfo; 10841b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10851b300de9Sjwahlig flavor_list, ret_cnt)) { 10861b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10871b300de9Sjwahlig if (resok_val[k].flavor == RPCSEC_GSS) { 10881b300de9Sjwahlig rpcsec_gss_info *info; 10891b300de9Sjwahlig 10901b300de9Sjwahlig info = &resok_val[k].flavor_info; 10911b300de9Sjwahlig info->qop = si->sc_qop; 10921b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10931b300de9Sjwahlig si->sc_service; 10941b300de9Sjwahlig 10951b300de9Sjwahlig /* get oid opaque data */ 10961b300de9Sjwahlig info->oid.sec_oid4_len = 10971b300de9Sjwahlig si->sc_gss_mech_type->length; 10981b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10991b300de9Sjwahlig si->sc_gss_mech_type->length, 11001b300de9Sjwahlig KM_SLEEP); 11011b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 11021b300de9Sjwahlig info->oid.sec_oid4_val, 11031b300de9Sjwahlig info->oid.sec_oid4_len); 11041b300de9Sjwahlig } 11051b300de9Sjwahlig k++; 11067c478bd9Sstevel@tonic-gate } 1107f3b585ceSsamf if (k >= ret_cnt) 1108f3b585ceSsamf break; 11097c478bd9Sstevel@tonic-gate } 11107c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11117c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11127c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11137c478bd9Sstevel@tonic-gate } 11147c478bd9Sstevel@tonic-gate 11157c478bd9Sstevel@tonic-gate VN_RELE(vp); 11167c478bd9Sstevel@tonic-gate return (NFS4_OK); 11177c478bd9Sstevel@tonic-gate } 11187c478bd9Sstevel@tonic-gate 11197c478bd9Sstevel@tonic-gate /* 11207c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11217c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11227c478bd9Sstevel@tonic-gate * triplets. 11237c478bd9Sstevel@tonic-gate */ 11247c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11257c478bd9Sstevel@tonic-gate static void 11267c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1127d216dff5SRobert Mastors struct compound_state *cs) 11287c478bd9Sstevel@tonic-gate { 1129f3b585ceSsamf SECINFO4args *args = &argop->nfs_argop4_u.opsecinfo; 11307c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 1131f3b585ceSsamf utf8string *utfnm = &args->name; 11327c478bd9Sstevel@tonic-gate uint_t len; 11337c478bd9Sstevel@tonic-gate char *nm; 1134b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1135b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 11367c478bd9Sstevel@tonic-gate 1137f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__start, struct compound_state *, cs, 1138f3b585ceSsamf SECINFO4args *, args); 1139f3b585ceSsamf 11407c478bd9Sstevel@tonic-gate /* 11417c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11427c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11437c478bd9Sstevel@tonic-gate */ 11447c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1146f3b585ceSsamf goto out; 11477c478bd9Sstevel@tonic-gate } 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1151f3b585ceSsamf goto out; 11527c478bd9Sstevel@tonic-gate } 11537c478bd9Sstevel@tonic-gate 11547c478bd9Sstevel@tonic-gate /* 11557c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11567c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11577c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11587c478bd9Sstevel@tonic-gate */ 11597c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(utfnm)) { 11607c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11611b300de9Sjwahlig utfnm->utf8string_val[0] != '.' || 11621b300de9Sjwahlig utfnm->utf8string_val[1] != '.') { 11637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1164f3b585ceSsamf goto out; 11657c478bd9Sstevel@tonic-gate } 11667c478bd9Sstevel@tonic-gate } 11677c478bd9Sstevel@tonic-gate 11687c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11697c478bd9Sstevel@tonic-gate if (nm == NULL) { 11707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1171f3b585ceSsamf goto out; 11727c478bd9Sstevel@tonic-gate } 11737c478bd9Sstevel@tonic-gate 11747c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11767c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1177f3b585ceSsamf goto out; 11787c478bd9Sstevel@tonic-gate } 1179b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 11807c478bd9Sstevel@tonic-gate 1181b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1182b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1183b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 11847c478bd9Sstevel@tonic-gate 1185b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1186b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1187b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1188b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1189b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1190b89a8333Snatalie li - Sun Microsystems - Irvine United States 1191b89a8333Snatalie li - Sun Microsystems - Irvine United States 1192b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, name, resp); 1193b89a8333Snatalie li - Sun Microsystems - Irvine United States 1194b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1195b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 11967c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1197f3b585ceSsamf 1198f3b585ceSsamf out: 1199f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__done, struct compound_state *, cs, 1200f3b585ceSsamf SECINFO4res *, resp); 12017c478bd9Sstevel@tonic-gate } 12027c478bd9Sstevel@tonic-gate 12037c478bd9Sstevel@tonic-gate /* 12047c478bd9Sstevel@tonic-gate * Free SECINFO result. 12057c478bd9Sstevel@tonic-gate */ 12067c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12077c478bd9Sstevel@tonic-gate static void 12087c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 12097c478bd9Sstevel@tonic-gate { 12107c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 12117c478bd9Sstevel@tonic-gate int count, i; 12127c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 12157c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 12167c478bd9Sstevel@tonic-gate return; 12177c478bd9Sstevel@tonic-gate } 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 12207c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 12231b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 12241b300de9Sjwahlig rpcsec_gss_info *info; 12257c478bd9Sstevel@tonic-gate 12261b300de9Sjwahlig info = &resok_val[i].flavor_info; 12271b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 12281b300de9Sjwahlig info->oid.sec_oid4_len); 12291b300de9Sjwahlig } 12307c478bd9Sstevel@tonic-gate } 12317c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12327c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12337c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12347c478bd9Sstevel@tonic-gate } 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12377c478bd9Sstevel@tonic-gate static void 12387c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1239d216dff5SRobert Mastors struct compound_state *cs) 12407c478bd9Sstevel@tonic-gate { 12417c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12427c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12437c478bd9Sstevel@tonic-gate int error; 12447c478bd9Sstevel@tonic-gate vnode_t *vp; 12457c478bd9Sstevel@tonic-gate struct vattr va; 12467c478bd9Sstevel@tonic-gate int checkwriteperm; 12477c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124845916cd2Sjpk bslabel_t *clabel, *slabel; 124945916cd2Sjpk ts_label_t *tslabel; 125045916cd2Sjpk boolean_t admin_low_client; 12517c478bd9Sstevel@tonic-gate 1252f3b585ceSsamf DTRACE_NFSV4_2(op__access__start, struct compound_state *, cs, 1253f3b585ceSsamf ACCESS4args *, args); 1254f3b585ceSsamf 12557c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12567c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1258f3b585ceSsamf goto out; 12597c478bd9Sstevel@tonic-gate } 12607c478bd9Sstevel@tonic-gate #endif 12617c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1263f3b585ceSsamf goto out; 12647c478bd9Sstevel@tonic-gate } 12657c478bd9Sstevel@tonic-gate 12667c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12677c478bd9Sstevel@tonic-gate 12687c478bd9Sstevel@tonic-gate vp = cs->vp; 12697c478bd9Sstevel@tonic-gate 12707c478bd9Sstevel@tonic-gate /* 12717c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12727c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12737c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12747c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12757c478bd9Sstevel@tonic-gate */ 12767c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12771b300de9Sjwahlig (vp->v_type == VREG || vp->v_type == VDIR)) 12787c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12797c478bd9Sstevel@tonic-gate else 12807c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12817c478bd9Sstevel@tonic-gate 12827c478bd9Sstevel@tonic-gate /* 12837c478bd9Sstevel@tonic-gate * XXX 12847c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12857c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12867c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12877c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12887c478bd9Sstevel@tonic-gate */ 12897c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1290da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12917c478bd9Sstevel@tonic-gate if (error) { 12927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1293f3b585ceSsamf goto out; 12947c478bd9Sstevel@tonic-gate } 12957c478bd9Sstevel@tonic-gate resp->access = 0; 12967c478bd9Sstevel@tonic-gate resp->supported = 0; 12977c478bd9Sstevel@tonic-gate 129845916cd2Sjpk if (is_system_labeled()) { 129945916cd2Sjpk ASSERT(req->rq_label != NULL); 130045916cd2Sjpk clabel = req->rq_label; 130145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 130245916cd2Sjpk "got client label from request(1)", 130345916cd2Sjpk struct svc_req *, req); 130445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 1305bd6f1640SJarrett Lu if ((tslabel = nfs_getflabel(vp, cs->exi)) == NULL) { 130645916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 1307f3b585ceSsamf goto out; 130845916cd2Sjpk } 130945916cd2Sjpk slabel = label2bslabel(tslabel); 131045916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 131145916cd2Sjpk char *, "got server label(1) for vp(2)", 131245916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 131345916cd2Sjpk 131445916cd2Sjpk admin_low_client = B_FALSE; 131545916cd2Sjpk } else 131645916cd2Sjpk admin_low_client = B_TRUE; 131745916cd2Sjpk } 131845916cd2Sjpk 13197c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1320da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 132145916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 132245916cd2Sjpk (!is_system_labeled() || admin_low_client || 132345916cd2Sjpk bldominates(clabel, slabel))) 13247c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13257c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13267c478bd9Sstevel@tonic-gate } 13277c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1328da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132945916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 133045916cd2Sjpk bldominates(clabel, slabel))) 13317c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13327c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13337c478bd9Sstevel@tonic-gate } 13347c478bd9Sstevel@tonic-gate if (checkwriteperm && 13357c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1336da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 133745916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133845916cd2Sjpk (!is_system_labeled() || admin_low_client || 133945916cd2Sjpk blequal(clabel, slabel))) 13407c478bd9Sstevel@tonic-gate resp->access |= 13410a701b1eSRobert Gordon (args->access & (ACCESS4_MODIFY | ACCESS4_EXTEND)); 13420a701b1eSRobert Gordon resp->supported |= (ACCESS4_MODIFY | ACCESS4_EXTEND); 13437c478bd9Sstevel@tonic-gate } 13447c478bd9Sstevel@tonic-gate 13457c478bd9Sstevel@tonic-gate if (checkwriteperm && 13467c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1347da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 134845916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 134945916cd2Sjpk blequal(clabel, slabel))) 13507c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13517c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13527c478bd9Sstevel@tonic-gate } 13537c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1354da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 135545916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 135645916cd2Sjpk (!is_system_labeled() || admin_low_client || 135745916cd2Sjpk bldominates(clabel, slabel))) 13587c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13597c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13607c478bd9Sstevel@tonic-gate } 13617c478bd9Sstevel@tonic-gate 136245916cd2Sjpk if (is_system_labeled() && !admin_low_client) 136345916cd2Sjpk label_rele(tslabel); 136445916cd2Sjpk 13657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1366f3b585ceSsamf out: 1367f3b585ceSsamf DTRACE_NFSV4_2(op__access__done, struct compound_state *, cs, 1368f3b585ceSsamf ACCESS4res *, resp); 13697c478bd9Sstevel@tonic-gate } 13707c478bd9Sstevel@tonic-gate 13717c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13727c478bd9Sstevel@tonic-gate static void 13737c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1374d216dff5SRobert Mastors struct compound_state *cs) 13757c478bd9Sstevel@tonic-gate { 13767c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13777c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13787c478bd9Sstevel@tonic-gate int error; 13797c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13807c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13817c478bd9Sstevel@tonic-gate vattr_t va; 13827c478bd9Sstevel@tonic-gate 1383f3b585ceSsamf DTRACE_NFSV4_2(op__commit__start, struct compound_state *, cs, 1384f3b585ceSsamf COMMIT4args *, args); 1385f3b585ceSsamf 13867c478bd9Sstevel@tonic-gate if (vp == NULL) { 13877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1388f3b585ceSsamf goto out; 13897c478bd9Sstevel@tonic-gate } 13907c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1392f3b585ceSsamf goto out; 13937c478bd9Sstevel@tonic-gate } 13947c478bd9Sstevel@tonic-gate 13957c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1397f3b585ceSsamf goto out; 13987c478bd9Sstevel@tonic-gate } 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1401da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 14027c478bd9Sstevel@tonic-gate 14037c478bd9Sstevel@tonic-gate /* 14047c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 14057c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 14067c478bd9Sstevel@tonic-gate */ 14077c478bd9Sstevel@tonic-gate if (error) { 14087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1409f3b585ceSsamf goto out; 14107c478bd9Sstevel@tonic-gate } 14117c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 14127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1413f3b585ceSsamf goto out; 14147c478bd9Sstevel@tonic-gate } 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14177c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14187c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14197c478bd9Sstevel@tonic-gate else 14207c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 1422f3b585ceSsamf goto out; 14237c478bd9Sstevel@tonic-gate } 14247c478bd9Sstevel@tonic-gate 14257c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1426da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 14277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1428f3b585ceSsamf goto out; 14297c478bd9Sstevel@tonic-gate } 14307c478bd9Sstevel@tonic-gate 1431da6c28aaSamw error = VOP_PUTPAGE(vp, args->offset, args->count, 0, cr, NULL); 14327c478bd9Sstevel@tonic-gate if (!error) 1433da6c28aaSamw error = VOP_FSYNC(vp, FNODSYNC, cr, NULL); 14347c478bd9Sstevel@tonic-gate 14357c478bd9Sstevel@tonic-gate if (error) { 14367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1437f3b585ceSsamf goto out; 14387c478bd9Sstevel@tonic-gate } 14397c478bd9Sstevel@tonic-gate 14407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14417c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 1442f3b585ceSsamf out: 1443f3b585ceSsamf DTRACE_NFSV4_2(op__commit__done, struct compound_state *, cs, 1444f3b585ceSsamf COMMIT4res *, resp); 14457c478bd9Sstevel@tonic-gate } 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate /* 14487c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14497c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14507c478bd9Sstevel@tonic-gate */ 14517c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14527c478bd9Sstevel@tonic-gate static vnode_t * 14537c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 1454d216dff5SRobert Mastors struct compound_state *cs, vattr_t *vap, char *nm) 14557c478bd9Sstevel@tonic-gate { 14567c478bd9Sstevel@tonic-gate int error; 14577c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14587c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14597c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14607c478bd9Sstevel@tonic-gate int mode; 14617c478bd9Sstevel@tonic-gate enum vcexcl excl; 14627c478bd9Sstevel@tonic-gate 14637c478bd9Sstevel@tonic-gate switch (args->type) { 14647c478bd9Sstevel@tonic-gate case NF4CHR: 14657c478bd9Sstevel@tonic-gate case NF4BLK: 14667c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14687c478bd9Sstevel@tonic-gate return (NULL); 14697c478bd9Sstevel@tonic-gate } 14707c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14717c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14727c478bd9Sstevel@tonic-gate else 14737c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14747c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14751b300de9Sjwahlig args->ftype4_u.devdata.specdata2); 14767c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14777c478bd9Sstevel@tonic-gate break; 14787c478bd9Sstevel@tonic-gate case NF4SOCK: 14797c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14807c478bd9Sstevel@tonic-gate break; 14817c478bd9Sstevel@tonic-gate case NF4FIFO: 14827c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14837c478bd9Sstevel@tonic-gate break; 14847c478bd9Sstevel@tonic-gate default: 14857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14867c478bd9Sstevel@tonic-gate return (NULL); 14877c478bd9Sstevel@tonic-gate } 14887c478bd9Sstevel@tonic-gate 14897c478bd9Sstevel@tonic-gate /* 14907c478bd9Sstevel@tonic-gate * Must specify the mode. 14917c478bd9Sstevel@tonic-gate */ 14927c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14947c478bd9Sstevel@tonic-gate return (NULL); 14957c478bd9Sstevel@tonic-gate } 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate excl = EXCL; 14987c478bd9Sstevel@tonic-gate 14997c478bd9Sstevel@tonic-gate mode = 0; 15007c478bd9Sstevel@tonic-gate 1501da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 15027c478bd9Sstevel@tonic-gate if (error) { 15037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 15047c478bd9Sstevel@tonic-gate return (NULL); 15057c478bd9Sstevel@tonic-gate } 15067c478bd9Sstevel@tonic-gate return (vp); 15077c478bd9Sstevel@tonic-gate } 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate /* 15107c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 15117c478bd9Sstevel@tonic-gate * use nfsv4 open. 15127c478bd9Sstevel@tonic-gate */ 15137c478bd9Sstevel@tonic-gate /* ARGSUSED */ 15147c478bd9Sstevel@tonic-gate static void 15157c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1516d216dff5SRobert Mastors struct compound_state *cs) 15177c478bd9Sstevel@tonic-gate { 15187c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15197c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15207c478bd9Sstevel@tonic-gate int error; 15217c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15227c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15237c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15247c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 1525fd7da618Sgt vnode_t *realvp; 15267c478bd9Sstevel@tonic-gate char *nm, *lnm; 15277c478bd9Sstevel@tonic-gate uint_t len, llen; 15287c478bd9Sstevel@tonic-gate int syncval = 0; 15297c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15307c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15317c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15327c478bd9Sstevel@tonic-gate nfsstat4 status; 1533b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1534b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 1535b89a8333Snatalie li - Sun Microsystems - Irvine United States char *lname = NULL; 15367c478bd9Sstevel@tonic-gate 1537f3b585ceSsamf DTRACE_NFSV4_2(op__create__start, struct compound_state *, cs, 1538f3b585ceSsamf CREATE4args *, args); 1539f3b585ceSsamf 15407c478bd9Sstevel@tonic-gate resp->attrset = 0; 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1544f3b585ceSsamf goto out; 15457c478bd9Sstevel@tonic-gate } 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate /* 15487c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15497c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15507c478bd9Sstevel@tonic-gate */ 15517c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1553f3b585ceSsamf goto out; 15547c478bd9Sstevel@tonic-gate } 15557c478bd9Sstevel@tonic-gate 15567c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15577c478bd9Sstevel@tonic-gate switch (args->type) { 15587c478bd9Sstevel@tonic-gate case NF4LNK: 15597c478bd9Sstevel@tonic-gate case NF4BLK: 15607c478bd9Sstevel@tonic-gate case NF4CHR: 15617c478bd9Sstevel@tonic-gate case NF4SOCK: 15627c478bd9Sstevel@tonic-gate case NF4FIFO: 15637c478bd9Sstevel@tonic-gate case NF4DIR: 15647c478bd9Sstevel@tonic-gate break; 15657c478bd9Sstevel@tonic-gate default: 15667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 1567f3b585ceSsamf goto out; 15687c478bd9Sstevel@tonic-gate }; 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1572f3b585ceSsamf goto out; 15737c478bd9Sstevel@tonic-gate } 15747c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1576f3b585ceSsamf goto out; 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1580f3b585ceSsamf goto out; 15817c478bd9Sstevel@tonic-gate } 15827c478bd9Sstevel@tonic-gate 15837c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1585f3b585ceSsamf goto out; 15867c478bd9Sstevel@tonic-gate } 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate /* 15897c478bd9Sstevel@tonic-gate * Name of newly created object 15907c478bd9Sstevel@tonic-gate */ 15917c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15927c478bd9Sstevel@tonic-gate if (nm == NULL) { 15937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1594f3b585ceSsamf goto out; 15957c478bd9Sstevel@tonic-gate } 15967c478bd9Sstevel@tonic-gate 15977c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15997c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1600f3b585ceSsamf goto out; 16017c478bd9Sstevel@tonic-gate } 16027c478bd9Sstevel@tonic-gate 1603b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for poorly behaved clients */ 1604b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1605b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1606b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 1607b89a8333Snatalie li - Sun Microsystems - Irvine United States 1608b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1609b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1610b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1611b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1612b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1613b89a8333Snatalie li - Sun Microsystems - Irvine United States 16147c478bd9Sstevel@tonic-gate resp->attrset = 0; 16157c478bd9Sstevel@tonic-gate 16167c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 16172f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 16187c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 16211b300de9Sjwahlig &args->createattrs, cs, &sarg, &ntov, NFS4ATTR_SETIT); 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 16247c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 16277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 16287c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16297c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16307c478bd9Sstevel@tonic-gate resp->attrset = 0; 1631f3b585ceSsamf goto out; 16327c478bd9Sstevel@tonic-gate } 16337c478bd9Sstevel@tonic-gate 16347c478bd9Sstevel@tonic-gate /* Get "before" change value */ 16357c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 1636da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cr, NULL); 16377c478bd9Sstevel@tonic-gate if (error) { 16387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 16397c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16407c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16417c478bd9Sstevel@tonic-gate resp->attrset = 0; 1642f3b585ceSsamf goto out; 16437c478bd9Sstevel@tonic-gate } 16447c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 16457c478bd9Sstevel@tonic-gate 16467c478bd9Sstevel@tonic-gate vap = sarg.vap; 16477c478bd9Sstevel@tonic-gate 16487c478bd9Sstevel@tonic-gate /* 16497c478bd9Sstevel@tonic-gate * Set default initial values for attributes when not specified 16507c478bd9Sstevel@tonic-gate * in createattrs. 16517c478bd9Sstevel@tonic-gate */ 16527c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_UID) == 0) { 16537c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 16547c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 16557c478bd9Sstevel@tonic-gate } 16567c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_GID) == 0) { 16577c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 16587c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 16597c478bd9Sstevel@tonic-gate } 16607c478bd9Sstevel@tonic-gate 16617c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16627c478bd9Sstevel@tonic-gate switch (args->type) { 16637c478bd9Sstevel@tonic-gate case NF4DIR: 16647c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16657c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16667c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16677c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16687c478bd9Sstevel@tonic-gate } 1669da6c28aaSamw error = VOP_MKDIR(dvp, nm, vap, &vp, cr, NULL, 0, NULL); 16707c478bd9Sstevel@tonic-gate if (error) 16717c478bd9Sstevel@tonic-gate break; 16727c478bd9Sstevel@tonic-gate 16737c478bd9Sstevel@tonic-gate /* 16747c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16757c478bd9Sstevel@tonic-gate * set to zero 16767c478bd9Sstevel@tonic-gate */ 16777c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1678da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16797c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16807c478bd9Sstevel@tonic-gate break; 16817c478bd9Sstevel@tonic-gate case NF4LNK: 16827c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16837c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16847c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16857c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16867c478bd9Sstevel@tonic-gate } 16877c478bd9Sstevel@tonic-gate 16887c478bd9Sstevel@tonic-gate /* 16897c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16907c478bd9Sstevel@tonic-gate */ 16917c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16927c478bd9Sstevel@tonic-gate 16937c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1695b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1696b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 16977c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16987c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16997c478bd9Sstevel@tonic-gate resp->attrset = 0; 1700f3b585ceSsamf goto out; 17017c478bd9Sstevel@tonic-gate } 17027c478bd9Sstevel@tonic-gate 17037c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 17047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 1705b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1706b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 1707b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1708b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lnm, llen); 1709b89a8333Snatalie li - Sun Microsystems - Irvine United States nfs4_ntov_table_free(&ntov, &sarg); 1710b89a8333Snatalie li - Sun Microsystems - Irvine United States resp->attrset = 0; 1711b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1712b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1713b89a8333Snatalie li - Sun Microsystems - Irvine United States 1714b89a8333Snatalie li - Sun Microsystems - Irvine United States lname = nfscmd_convname(ca, cs->exi, lnm, 1715b89a8333Snatalie li - Sun Microsystems - Irvine United States NFSCMD_CONV_INBOUND, MAXPATHLEN + 1); 1716b89a8333Snatalie li - Sun Microsystems - Irvine United States 1717b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname == NULL) { 1718b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 1719b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1720b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17217c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17227c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17237c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17247c478bd9Sstevel@tonic-gate resp->attrset = 0; 1725f3b585ceSsamf goto out; 17267c478bd9Sstevel@tonic-gate } 17277c478bd9Sstevel@tonic-gate 1728da6c28aaSamw error = VOP_SYMLINK(dvp, nm, vap, lnm, cr, NULL, 0); 1729b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname != lnm) 1730b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lname, MAXPATHLEN + 1); 17317c478bd9Sstevel@tonic-gate if (lnm != NULL) 17327c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17337c478bd9Sstevel@tonic-gate if (error) 17347c478bd9Sstevel@tonic-gate break; 17357c478bd9Sstevel@tonic-gate 17367c478bd9Sstevel@tonic-gate /* 17377c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17387c478bd9Sstevel@tonic-gate * set to zero 17397c478bd9Sstevel@tonic-gate */ 17407c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1741da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17427c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17437c478bd9Sstevel@tonic-gate 1744da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, 1745da6c28aaSamw NULL, NULL, NULL); 17467c478bd9Sstevel@tonic-gate if (error) 17477c478bd9Sstevel@tonic-gate break; 17487c478bd9Sstevel@tonic-gate 17497c478bd9Sstevel@tonic-gate /* 17507c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 17517c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 17527c478bd9Sstevel@tonic-gate */ 17537c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 1754da6c28aaSamw if (VOP_GETATTR(dvp, &iva2, 0, cs->cr, NULL) || 17551b300de9Sjwahlig iva2.va_seq != iva.va_seq) 17567c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17577c478bd9Sstevel@tonic-gate break; 17587c478bd9Sstevel@tonic-gate default: 17597c478bd9Sstevel@tonic-gate /* 17607c478bd9Sstevel@tonic-gate * probably a special file. 17617c478bd9Sstevel@tonic-gate */ 17627c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 17637c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 17647c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 17657c478bd9Sstevel@tonic-gate } 17667c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 17677c478bd9Sstevel@tonic-gate /* 17687c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 17697c478bd9Sstevel@tonic-gate */ 17707c478bd9Sstevel@tonic-gate vp = do_rfs4_op_mknod(args, resp, req, cs, vap, nm); 17717c478bd9Sstevel@tonic-gate 17727c478bd9Sstevel@tonic-gate if (vp == NULL) { 1773b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1774b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17757c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17767c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17777c478bd9Sstevel@tonic-gate resp->attrset = 0; 1778f3b585ceSsamf goto out; 17797c478bd9Sstevel@tonic-gate } 17807c478bd9Sstevel@tonic-gate 17817c478bd9Sstevel@tonic-gate /* 17827c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17837c478bd9Sstevel@tonic-gate * set to zero 17847c478bd9Sstevel@tonic-gate */ 17857c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1786da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17877c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17887c478bd9Sstevel@tonic-gate 17897c478bd9Sstevel@tonic-gate break; 17907c478bd9Sstevel@tonic-gate } 1791b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1792b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17937c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17947c478bd9Sstevel@tonic-gate 17957c478bd9Sstevel@tonic-gate if (error) { 17967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17977c478bd9Sstevel@tonic-gate } 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate /* 18007c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 18017c478bd9Sstevel@tonic-gate */ 1802da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cr, NULL); 18037c478bd9Sstevel@tonic-gate 18047c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18057c478bd9Sstevel@tonic-gate if (vp != NULL) 18067c478bd9Sstevel@tonic-gate VN_RELE(vp); 18077c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18087c478bd9Sstevel@tonic-gate resp->attrset = 0; 1809f3b585ceSsamf goto out; 18107c478bd9Sstevel@tonic-gate } 18117c478bd9Sstevel@tonic-gate 18127c478bd9Sstevel@tonic-gate /* 18137c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 18147c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 18157c478bd9Sstevel@tonic-gate * before value. 18167c478bd9Sstevel@tonic-gate */ 18177c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 1818da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cr, NULL)) { 18197c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 18207c478bd9Sstevel@tonic-gate ava.va_seq = 0; 18217c478bd9Sstevel@tonic-gate } 18227c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 18237c478bd9Sstevel@tonic-gate 18247c478bd9Sstevel@tonic-gate /* 18257c478bd9Sstevel@tonic-gate * True verification that object was created with correct 18267c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 18277c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 18287c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 18297c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 18307c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 18317c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 18327c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 18337c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 18347c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 18357c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 18367c478bd9Sstevel@tonic-gate * 18377c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 18387c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 18397c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 18407c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 18417c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 18427c478bd9Sstevel@tonic-gate */ 18437c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 18447c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 18457c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18467c478bd9Sstevel@tonic-gate 18477c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 18487c478bd9Sstevel@tonic-gate if (error) { 18497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 18507c478bd9Sstevel@tonic-gate } 18517c478bd9Sstevel@tonic-gate 18527c478bd9Sstevel@tonic-gate /* 18537c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 18547c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 18557c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 18567c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 18577c478bd9Sstevel@tonic-gate */ 18587c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 18591b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 18607c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 18617c478bd9Sstevel@tonic-gate else 18627c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 18637c478bd9Sstevel@tonic-gate 1864fd7da618Sgt /* 1865fd7da618Sgt * Force modified metadata out to stable storage. 1866fd7da618Sgt * 1867fd7da618Sgt * if a underlying vp exists, pass it to VOP_FSYNC 1868fd7da618Sgt */ 1869fd7da618Sgt if (VOP_REALVP(vp, &realvp, NULL) == 0) 1870fd7da618Sgt (void) VOP_FSYNC(realvp, syncval, cr, NULL); 1871fd7da618Sgt else 1872fd7da618Sgt (void) VOP_FSYNC(vp, syncval, cr, NULL); 18737c478bd9Sstevel@tonic-gate 18747c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18757c478bd9Sstevel@tonic-gate VN_RELE(vp); 1876f3b585ceSsamf goto out; 18777c478bd9Sstevel@tonic-gate } 18787c478bd9Sstevel@tonic-gate if (cs->vp) 18797c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 18807c478bd9Sstevel@tonic-gate 18817c478bd9Sstevel@tonic-gate cs->vp = vp; 18827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1883f3b585ceSsamf out: 1884f3b585ceSsamf DTRACE_NFSV4_2(op__create__done, struct compound_state *, cs, 1885f3b585ceSsamf CREATE4res *, resp); 18867c478bd9Sstevel@tonic-gate } 18877c478bd9Sstevel@tonic-gate 1888f3b585ceSsamf /*ARGSUSED*/ 1889f3b585ceSsamf static void 1890f3b585ceSsamf rfs4_op_delegpurge(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1891f3b585ceSsamf struct compound_state *cs) 1892f3b585ceSsamf { 1893f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__start, struct compound_state *, cs, 1894f3b585ceSsamf DELEGPURGE4args *, &argop->nfs_argop4_u.opdelegpurge); 1895f3b585ceSsamf 1896f3b585ceSsamf rfs4_op_inval(argop, resop, req, cs); 1897f3b585ceSsamf 1898f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__done, struct compound_state *, cs, 1899f3b585ceSsamf DELEGPURGE4res *, &resop->nfs_resop4_u.opdelegpurge); 1900f3b585ceSsamf } 19017c478bd9Sstevel@tonic-gate 19027c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 19037c478bd9Sstevel@tonic-gate static void 19047c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1905d216dff5SRobert Mastors struct compound_state *cs) 19067c478bd9Sstevel@tonic-gate { 19077c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 19087c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 19097c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 19107c478bd9Sstevel@tonic-gate nfsstat4 status; 19117c478bd9Sstevel@tonic-gate 1912f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__start, struct compound_state *, cs, 1913f3b585ceSsamf DELEGRETURN4args *, args); 1914f3b585ceSsamf 19157c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 19167c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 19177c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 1918f3b585ceSsamf goto out; 19197c478bd9Sstevel@tonic-gate 19207c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 1921d216dff5SRobert Mastors if (cs->vp != dsp->rds_finfo->rf_vp) { 19227c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 19237c478bd9Sstevel@tonic-gate } else 19247c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 19257c478bd9Sstevel@tonic-gate 1926d216dff5SRobert Mastors rfs4_update_lease(dsp->rds_client); 19277c478bd9Sstevel@tonic-gate 19287c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 1929f3b585ceSsamf out: 1930f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__done, struct compound_state *, cs, 1931f3b585ceSsamf DELEGRETURN4res *, resp); 19327c478bd9Sstevel@tonic-gate } 19337c478bd9Sstevel@tonic-gate 19347c478bd9Sstevel@tonic-gate /* 19357c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 19367c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 19377c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 19387c478bd9Sstevel@tonic-gate * 19397c478bd9Sstevel@tonic-gate * e.g. 19407c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 19417c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 19427c478bd9Sstevel@tonic-gate * 19437c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 19447c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 19457c478bd9Sstevel@tonic-gate * server namespace setup. 19467c478bd9Sstevel@tonic-gate */ 19477c478bd9Sstevel@tonic-gate int 19487c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 19497c478bd9Sstevel@tonic-gate { 19507c478bd9Sstevel@tonic-gate int i; 19517c478bd9Sstevel@tonic-gate struct secinfo *sp; 19527c478bd9Sstevel@tonic-gate 19537c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 19547c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 19557c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 19567c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 19577c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 19587c478bd9Sstevel@tonic-gate } 19597c478bd9Sstevel@tonic-gate } 19607c478bd9Sstevel@tonic-gate 19617c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 19627c478bd9Sstevel@tonic-gate return (0); 19637c478bd9Sstevel@tonic-gate } 19647c478bd9Sstevel@tonic-gate 19657c478bd9Sstevel@tonic-gate /* 19667c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 19677c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 19687c478bd9Sstevel@tonic-gate * 19697c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 19707c478bd9Sstevel@tonic-gate * 19717c478bd9Sstevel@tonic-gate */ 19727c478bd9Sstevel@tonic-gate static int 19737c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 19747c478bd9Sstevel@tonic-gate { 19757c478bd9Sstevel@tonic-gate int i; 19767c478bd9Sstevel@tonic-gate struct secinfo *sp; 19777c478bd9Sstevel@tonic-gate 19787c478bd9Sstevel@tonic-gate /* 19797c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 19807c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 19817c478bd9Sstevel@tonic-gate */ 19827c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 19837c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 19847c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 19857c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 19867c478bd9Sstevel@tonic-gate return (1); 19877c478bd9Sstevel@tonic-gate } 19887c478bd9Sstevel@tonic-gate 19897c478bd9Sstevel@tonic-gate return (0); 19907c478bd9Sstevel@tonic-gate } 19917c478bd9Sstevel@tonic-gate 19927c478bd9Sstevel@tonic-gate /* 19937c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 19947c478bd9Sstevel@tonic-gate */ 19957c478bd9Sstevel@tonic-gate nfsstat4 19967c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 19977c478bd9Sstevel@tonic-gate { 19987c478bd9Sstevel@tonic-gate int authres; 19997c478bd9Sstevel@tonic-gate 20007c478bd9Sstevel@tonic-gate /* 20017c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 20027c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 20037c478bd9Sstevel@tonic-gate */ 20047c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 20057c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20067c478bd9Sstevel@tonic-gate return (*cs->statusp); 20077c478bd9Sstevel@tonic-gate } 20087c478bd9Sstevel@tonic-gate 20097c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 20107c478bd9Sstevel@tonic-gate 20117c478bd9Sstevel@tonic-gate if (authres > 0) { 20127c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 20137c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 20147c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 20157c478bd9Sstevel@tonic-gate } else if (authres == 0) { 20167c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 20177c478bd9Sstevel@tonic-gate } else if (authres == -2) { 20187c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20197c478bd9Sstevel@tonic-gate } else { 20207c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 20217c478bd9Sstevel@tonic-gate } 20227c478bd9Sstevel@tonic-gate return (*cs->statusp); 20237c478bd9Sstevel@tonic-gate } 20247c478bd9Sstevel@tonic-gate 20257c478bd9Sstevel@tonic-gate /* 20267c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 20277c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 20287c478bd9Sstevel@tonic-gate * based on the input bitmap. 20297c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20307c478bd9Sstevel@tonic-gate */ 20317c478bd9Sstevel@tonic-gate static nfsstat4 20327c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 20337c478bd9Sstevel@tonic-gate { 20347c478bd9Sstevel@tonic-gate int i; 20357c478bd9Sstevel@tonic-gate uint_t va_mask; 20367c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 20377c478bd9Sstevel@tonic-gate 20387c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 20397c478bd9Sstevel@tonic-gate sargp->flag = 0; 20407c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 20417c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 20427c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 20437c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 20441b300de9Sjwahlig FH4_ATTRDIR | FH4_NAMEDATTR); 20457c478bd9Sstevel@tonic-gate else 20467c478bd9Sstevel@tonic-gate sargp->xattr = 0; 20477c478bd9Sstevel@tonic-gate 20487c478bd9Sstevel@tonic-gate /* 20497c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 20507c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 20517c478bd9Sstevel@tonic-gate */ 20527c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 20537c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 20547c478bd9Sstevel@tonic-gate else 20557c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 20567c478bd9Sstevel@tonic-gate 20577c478bd9Sstevel@tonic-gate /* 20587c478bd9Sstevel@tonic-gate * generate the va_mask 20597c478bd9Sstevel@tonic-gate * Handle the easy cases first 20607c478bd9Sstevel@tonic-gate */ 20617c478bd9Sstevel@tonic-gate switch (breq) { 20627c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 20637c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 20647c478bd9Sstevel@tonic-gate return (NFS4_OK); 20657c478bd9Sstevel@tonic-gate 20667c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 20677c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 20687c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20697c478bd9Sstevel@tonic-gate return (NFS4_OK); 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 20727c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 20737c478bd9Sstevel@tonic-gate return (NFS4_OK); 20747c478bd9Sstevel@tonic-gate 20757c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 20767c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 20777c478bd9Sstevel@tonic-gate return (NFS4_OK); 20787c478bd9Sstevel@tonic-gate 20797c478bd9Sstevel@tonic-gate default: 20807c478bd9Sstevel@tonic-gate va_mask = 0; 20817c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 20827c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 20831b300de9Sjwahlig nfs4_ntov_map[i].vbit) 20847c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 20857c478bd9Sstevel@tonic-gate } 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate /* 20887c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 20897c478bd9Sstevel@tonic-gate */ 20907c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 20917c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 20947c478bd9Sstevel@tonic-gate return (NFS4_OK); 20957c478bd9Sstevel@tonic-gate } 20967c478bd9Sstevel@tonic-gate /* NOTREACHED */ 20977c478bd9Sstevel@tonic-gate } 20987c478bd9Sstevel@tonic-gate 20997c478bd9Sstevel@tonic-gate /* 21007c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 21017c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 21027c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 21037c478bd9Sstevel@tonic-gate */ 21047c478bd9Sstevel@tonic-gate static nfsstat4 21057c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 21067c478bd9Sstevel@tonic-gate { 21077c478bd9Sstevel@tonic-gate int error; 21087c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 21097c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 21107c478bd9Sstevel@tonic-gate 21117c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 21127c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 21137c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 21147c478bd9Sstevel@tonic-gate return (puterrno4(error)); 21157c478bd9Sstevel@tonic-gate } 21167c478bd9Sstevel@tonic-gate } 21177c478bd9Sstevel@tonic-gate 21187c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 21197c478bd9Sstevel@tonic-gate } 21207c478bd9Sstevel@tonic-gate 21217c478bd9Sstevel@tonic-gate static void 21227c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 21237c478bd9Sstevel@tonic-gate { 21247c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 21251b300de9Sjwahlig KM_SLEEP); 21267c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 21277c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 21287c478bd9Sstevel@tonic-gate } 21297c478bd9Sstevel@tonic-gate 21307c478bd9Sstevel@tonic-gate static void 21317c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2132d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp) 21337c478bd9Sstevel@tonic-gate { 21347c478bd9Sstevel@tonic-gate int i; 21357c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21367c478bd9Sstevel@tonic-gate uint8_t *amap; 21377c478bd9Sstevel@tonic-gate 21387c478bd9Sstevel@tonic-gate /* 21397c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 21407c478bd9Sstevel@tonic-gate */ 21417c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21421b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 21437c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 21441b300de9Sjwahlig NFS4ATTR_FREEIT, sargp, na); 21457c478bd9Sstevel@tonic-gate } 21467c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 21477c478bd9Sstevel@tonic-gate /* 21487c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 21497c478bd9Sstevel@tonic-gate */ 21507c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21511b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 21527c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 21537c478bd9Sstevel@tonic-gate } 21547c478bd9Sstevel@tonic-gate } 21557c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 21567c478bd9Sstevel@tonic-gate } 21577c478bd9Sstevel@tonic-gate 21587c478bd9Sstevel@tonic-gate /* 21597c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 21607c478bd9Sstevel@tonic-gate */ 21617c478bd9Sstevel@tonic-gate static nfsstat4 21627c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 2163d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp) 21647c478bd9Sstevel@tonic-gate { 21657c478bd9Sstevel@tonic-gate int error = 0; 21667c478bd9Sstevel@tonic-gate int i, k; 21677c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 21687c478bd9Sstevel@tonic-gate XDR xdr; 21697c478bd9Sstevel@tonic-gate ulong_t xdr_size; 21707c478bd9Sstevel@tonic-gate char *xdr_attrs; 21717c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 21727c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 21737c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21747c478bd9Sstevel@tonic-gate uint8_t *amap; 21757c478bd9Sstevel@tonic-gate 21767c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 21777c478bd9Sstevel@tonic-gate sargp->flag = 0; 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 21807c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 21817c478bd9Sstevel@tonic-gate if (breq == 0) { 21827c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 21837c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21847c478bd9Sstevel@tonic-gate return (NFS4_OK); 21857c478bd9Sstevel@tonic-gate } 21867c478bd9Sstevel@tonic-gate 21877c478bd9Sstevel@tonic-gate /* 21887c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 21897c478bd9Sstevel@tonic-gate */ 21907c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 21917c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 21927c478bd9Sstevel@tonic-gate 21937c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 21947c478bd9Sstevel@tonic-gate na = ntov.na; 21957c478bd9Sstevel@tonic-gate amap = ntov.amap; 21967c478bd9Sstevel@tonic-gate 21977c478bd9Sstevel@tonic-gate /* 21987c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 21997c478bd9Sstevel@tonic-gate */ 22007c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 22017c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 22027c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 22031b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 22047c478bd9Sstevel@tonic-gate 22057c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 22061b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 22077c478bd9Sstevel@tonic-gate 22087c478bd9Sstevel@tonic-gate /* 22097c478bd9Sstevel@tonic-gate * Possible error values: 22107c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 22117c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 22127c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 22137c478bd9Sstevel@tonic-gate * attribute cannot be returned. 22147c478bd9Sstevel@tonic-gate */ 22157c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 22167c478bd9Sstevel@tonic-gate goto done; 22177c478bd9Sstevel@tonic-gate /* 22187c478bd9Sstevel@tonic-gate * If error then just for entry 22197c478bd9Sstevel@tonic-gate */ 22207c478bd9Sstevel@tonic-gate if (error == 0) { 22217c478bd9Sstevel@tonic-gate fattrp->attrmask |= 22221b300de9Sjwahlig nfs4_ntov_map[i].fbit; 22237c478bd9Sstevel@tonic-gate *amap++ = 22241b300de9Sjwahlig (uint8_t)nfs4_ntov_map[i].nval; 22257c478bd9Sstevel@tonic-gate na++; 22267c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 22277c478bd9Sstevel@tonic-gate } else if ((error > 0) && 22281b300de9Sjwahlig (sargp->rdattr_error == NFS4_OK)) { 22297c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 22307c478bd9Sstevel@tonic-gate } 22317c478bd9Sstevel@tonic-gate error = 0; 22327c478bd9Sstevel@tonic-gate } 22337c478bd9Sstevel@tonic-gate } 22347c478bd9Sstevel@tonic-gate } 22357c478bd9Sstevel@tonic-gate 22367c478bd9Sstevel@tonic-gate /* 22377c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 22387c478bd9Sstevel@tonic-gate * update it. 22397c478bd9Sstevel@tonic-gate */ 22407c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 22417c478bd9Sstevel@tonic-gate na = ntov.na; 22427c478bd9Sstevel@tonic-gate amap = ntov.amap; 22437c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22447c478bd9Sstevel@tonic-gate k = *amap; 22457c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 22467c478bd9Sstevel@tonic-gate continue; 22477c478bd9Sstevel@tonic-gate } 22487c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 22497c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 22501b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 22517c478bd9Sstevel@tonic-gate 22527c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 22531b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate break; 22567c478bd9Sstevel@tonic-gate } 22577c478bd9Sstevel@tonic-gate } 22587c478bd9Sstevel@tonic-gate 22597c478bd9Sstevel@tonic-gate xdr_size = 0; 22607c478bd9Sstevel@tonic-gate na = ntov.na; 22617c478bd9Sstevel@tonic-gate amap = ntov.amap; 22627c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22637c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 22647c478bd9Sstevel@tonic-gate } 22657c478bd9Sstevel@tonic-gate 22667c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 22677c478bd9Sstevel@tonic-gate if (xdr_size) { 22687c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 22697c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 22707c478bd9Sstevel@tonic-gate 22717c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate na = ntov.na; 22747c478bd9Sstevel@tonic-gate amap = ntov.amap; 22757c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22767c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 22770a701b1eSRobert Gordon DTRACE_PROBE1(nfss__e__getattr4_encfail, 22780a701b1eSRobert Gordon int, *amap); 22797c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 22807c478bd9Sstevel@tonic-gate break; 22817c478bd9Sstevel@tonic-gate } 22827c478bd9Sstevel@tonic-gate } 22837c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 22847c478bd9Sstevel@tonic-gate } else { 22857c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 22867c478bd9Sstevel@tonic-gate } 22877c478bd9Sstevel@tonic-gate done: 22887c478bd9Sstevel@tonic-gate 22897c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 22907c478bd9Sstevel@tonic-gate 22917c478bd9Sstevel@tonic-gate if (error != 0) 22927c478bd9Sstevel@tonic-gate status = puterrno4(error); 22937c478bd9Sstevel@tonic-gate 22947c478bd9Sstevel@tonic-gate return (status); 22957c478bd9Sstevel@tonic-gate } 22967c478bd9Sstevel@tonic-gate 22977c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22987c478bd9Sstevel@tonic-gate static void 22997c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2300d216dff5SRobert Mastors struct compound_state *cs) 23017c478bd9Sstevel@tonic-gate { 23027c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 23037c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23047c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 23057c478bd9Sstevel@tonic-gate struct statvfs64 sb; 23067c478bd9Sstevel@tonic-gate nfsstat4 status; 23077c478bd9Sstevel@tonic-gate 2308f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__start, struct compound_state *, cs, 2309f3b585ceSsamf GETATTR4args *, args); 2310f3b585ceSsamf 23117c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2313f3b585ceSsamf goto out; 23147c478bd9Sstevel@tonic-gate } 23157c478bd9Sstevel@tonic-gate 23167c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2318f3b585ceSsamf goto out; 23197c478bd9Sstevel@tonic-gate } 23207c478bd9Sstevel@tonic-gate 23217c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 23227c478bd9Sstevel@tonic-gate sarg.cs = cs; 23232f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 23247c478bd9Sstevel@tonic-gate 23257c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 23267c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 23272f172c55SRobert Thurlow 23287c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 23292f172c55SRobert Thurlow if (status == NFS4_OK) { 23302f172c55SRobert Thurlow 23312f172c55SRobert Thurlow /* Is this a referral? */ 23322f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr)) { 23332f172c55SRobert Thurlow /* Older V4 Solaris client sees a link */ 23342f172c55SRobert Thurlow if (client_is_downrev(req)) 23352f172c55SRobert Thurlow sarg.vap->va_type = VLNK; 23362f172c55SRobert Thurlow else 23372f172c55SRobert Thurlow sarg.is_referral = B_TRUE; 23382f172c55SRobert Thurlow } 23392f172c55SRobert Thurlow 23407c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 23411b300de9Sjwahlig &resp->obj_attributes, &sarg); 23422f172c55SRobert Thurlow } 23437c478bd9Sstevel@tonic-gate } 23447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 2345f3b585ceSsamf out: 2346f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__done, struct compound_state *, cs, 2347f3b585ceSsamf GETATTR4res *, resp); 23487c478bd9Sstevel@tonic-gate } 23497c478bd9Sstevel@tonic-gate 23507c478bd9Sstevel@tonic-gate static void 23517c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 23527c478bd9Sstevel@tonic-gate { 23537c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23547c478bd9Sstevel@tonic-gate 23557c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 23567c478bd9Sstevel@tonic-gate } 23577c478bd9Sstevel@tonic-gate 23587c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23597c478bd9Sstevel@tonic-gate static void 23607c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2361d216dff5SRobert Mastors struct compound_state *cs) 23627c478bd9Sstevel@tonic-gate { 23637c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23647c478bd9Sstevel@tonic-gate 2365f3b585ceSsamf DTRACE_NFSV4_1(op__getfh__start, struct compound_state *, cs); 2366f3b585ceSsamf 23677c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2369f3b585ceSsamf goto out; 23707c478bd9Sstevel@tonic-gate } 23717c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2373f3b585ceSsamf goto out; 23747c478bd9Sstevel@tonic-gate } 23757c478bd9Sstevel@tonic-gate 23762f172c55SRobert Thurlow /* check for reparse point at the share point */ 23772f172c55SRobert Thurlow if (cs->exi->exi_moved || vn_is_nfs_reparse(cs->exi->exi_vp, cs->cr)) { 23782f172c55SRobert Thurlow /* it's all bad */ 23792f172c55SRobert Thurlow cs->exi->exi_moved = 1; 23802f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 23812f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__shared__moved, 23822f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 23832f172c55SRobert Thurlow return; 23842f172c55SRobert Thurlow } 23852f172c55SRobert Thurlow 23862f172c55SRobert Thurlow /* check for reparse point at vp */ 23872f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr) && !client_is_downrev(req)) { 23882f172c55SRobert Thurlow /* it's not all bad */ 23892f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 23902f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__moved, 23912f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 23922f172c55SRobert Thurlow return; 23932f172c55SRobert Thurlow } 23942f172c55SRobert Thurlow 23957c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 23961b300de9Sjwahlig kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 23977c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 23987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2399f3b585ceSsamf out: 2400f3b585ceSsamf DTRACE_NFSV4_2(op__getfh__done, struct compound_state *, cs, 2401f3b585ceSsamf GETFH4res *, resp); 24027c478bd9Sstevel@tonic-gate } 24037c478bd9Sstevel@tonic-gate 24047c478bd9Sstevel@tonic-gate static void 24057c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 24067c478bd9Sstevel@tonic-gate { 24077c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 24087c478bd9Sstevel@tonic-gate 24097c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 24107c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 24117c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 24127c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 24137c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 24147c478bd9Sstevel@tonic-gate } 24157c478bd9Sstevel@tonic-gate } 24167c478bd9Sstevel@tonic-gate 24177c478bd9Sstevel@tonic-gate /* 24187c478bd9Sstevel@tonic-gate * illegal: args: void 24197c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 24207c478bd9Sstevel@tonic-gate */ 24217c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24227c478bd9Sstevel@tonic-gate static void 24237c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 2424d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 24257c478bd9Sstevel@tonic-gate { 24267c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 24297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 24307c478bd9Sstevel@tonic-gate } 24317c478bd9Sstevel@tonic-gate 24327c478bd9Sstevel@tonic-gate /* 24337c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 24347c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 24357c478bd9Sstevel@tonic-gate */ 24367c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24377c478bd9Sstevel@tonic-gate static void 24387c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2439d216dff5SRobert Mastors struct compound_state *cs) 24407c478bd9Sstevel@tonic-gate { 24417c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 24427c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 24437c478bd9Sstevel@tonic-gate int error; 24447c478bd9Sstevel@tonic-gate vnode_t *vp; 24457c478bd9Sstevel@tonic-gate vnode_t *dvp; 24467c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 24477c478bd9Sstevel@tonic-gate char *nm; 24487c478bd9Sstevel@tonic-gate uint_t len; 2449b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2450b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 24517c478bd9Sstevel@tonic-gate 2452f3b585ceSsamf DTRACE_NFSV4_2(op__link__start, struct compound_state *, cs, 2453f3b585ceSsamf LINK4args *, args); 2454f3b585ceSsamf 24557c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 24567c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 24577c478bd9Sstevel@tonic-gate if (vp == NULL) { 24587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2459f3b585ceSsamf goto out; 24607c478bd9Sstevel@tonic-gate } 24617c478bd9Sstevel@tonic-gate 24627c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 24637c478bd9Sstevel@tonic-gate dvp = cs->vp; 24647c478bd9Sstevel@tonic-gate if (dvp == NULL) { 24657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2466f3b585ceSsamf goto out; 24677c478bd9Sstevel@tonic-gate } 24687c478bd9Sstevel@tonic-gate 24697c478bd9Sstevel@tonic-gate /* 24707c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 24717c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 24727c478bd9Sstevel@tonic-gate */ 24737c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 24747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2475f3b585ceSsamf goto out; 24767c478bd9Sstevel@tonic-gate } 24777c478bd9Sstevel@tonic-gate 24787c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 24797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2480f3b585ceSsamf goto out; 24817c478bd9Sstevel@tonic-gate } 24827c478bd9Sstevel@tonic-gate 24837c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 24847c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 24857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 2486f3b585ceSsamf goto out; 24877c478bd9Sstevel@tonic-gate } 24887c478bd9Sstevel@tonic-gate 24897c478bd9Sstevel@tonic-gate /* Check target directory's type */ 24907c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 24917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2492f3b585ceSsamf goto out; 24937c478bd9Sstevel@tonic-gate } 24947c478bd9Sstevel@tonic-gate 24957c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 24967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 2497f3b585ceSsamf goto out; 24987c478bd9Sstevel@tonic-gate } 24997c478bd9Sstevel@tonic-gate 25007c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 25017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2502f3b585ceSsamf goto out; 25037c478bd9Sstevel@tonic-gate } 25047c478bd9Sstevel@tonic-gate 25057c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 25067c478bd9Sstevel@tonic-gate if (nm == NULL) { 25077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2508f3b585ceSsamf goto out; 25097c478bd9Sstevel@tonic-gate } 25107c478bd9Sstevel@tonic-gate 25117c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 25127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 25137c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2514f3b585ceSsamf goto out; 25157c478bd9Sstevel@tonic-gate } 25167c478bd9Sstevel@tonic-gate 25177c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 25187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 25197c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2520f3b585ceSsamf goto out; 25217c478bd9Sstevel@tonic-gate } 25227c478bd9Sstevel@tonic-gate 25237c478bd9Sstevel@tonic-gate /* Get "before" change value */ 25247c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2525da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 25267c478bd9Sstevel@tonic-gate if (error) { 25277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 25287c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2529f3b585ceSsamf goto out; 25307c478bd9Sstevel@tonic-gate } 25317c478bd9Sstevel@tonic-gate 2532b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2533b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2534b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2535b89a8333Snatalie li - Sun Microsystems - Irvine United States 2536b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2537b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2538b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2539b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2540b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2541b89a8333Snatalie li - Sun Microsystems - Irvine United States 25427c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 25437c478bd9Sstevel@tonic-gate 2544b89a8333Snatalie li - Sun Microsystems - Irvine United States error = VOP_LINK(dvp, vp, name, cs->cr, NULL, 0); 25457c478bd9Sstevel@tonic-gate 2546b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 2547b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 25487c478bd9Sstevel@tonic-gate kmem_free(nm, len); 25497c478bd9Sstevel@tonic-gate 25507c478bd9Sstevel@tonic-gate /* 25517c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 25527c478bd9Sstevel@tonic-gate */ 25537c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2554da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 25557c478bd9Sstevel@tonic-gate idva.va_seq = 0; 25567c478bd9Sstevel@tonic-gate 25577c478bd9Sstevel@tonic-gate /* 25587c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 25597c478bd9Sstevel@tonic-gate */ 2560da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2561da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 25627c478bd9Sstevel@tonic-gate 25637c478bd9Sstevel@tonic-gate if (error) { 25647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 2565f3b585ceSsamf goto out; 25667c478bd9Sstevel@tonic-gate } 25677c478bd9Sstevel@tonic-gate 25687c478bd9Sstevel@tonic-gate /* 25697c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 25707c478bd9Sstevel@tonic-gate * before value. 25717c478bd9Sstevel@tonic-gate */ 25727c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2573da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 25747c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 25757c478bd9Sstevel@tonic-gate adva.va_seq = 0; 25767c478bd9Sstevel@tonic-gate } 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 25797c478bd9Sstevel@tonic-gate 25807c478bd9Sstevel@tonic-gate /* 25817c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 25827c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 25837c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 25847c478bd9Sstevel@tonic-gate */ 25857c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 25861b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 25877c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 25887c478bd9Sstevel@tonic-gate else 25897c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 25907c478bd9Sstevel@tonic-gate 25917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2592f3b585ceSsamf out: 2593f3b585ceSsamf DTRACE_NFSV4_2(op__link__done, struct compound_state *, cs, 2594f3b585ceSsamf LINK4res *, resp); 25957c478bd9Sstevel@tonic-gate } 25967c478bd9Sstevel@tonic-gate 25977c478bd9Sstevel@tonic-gate /* 25987c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 25997c478bd9Sstevel@tonic-gate */ 26007c478bd9Sstevel@tonic-gate 26017c478bd9Sstevel@tonic-gate /* ARGSUSED */ 26027c478bd9Sstevel@tonic-gate static nfsstat4 26037c478bd9Sstevel@tonic-gate do_rfs4_op_lookup(char *nm, uint_t buflen, struct svc_req *req, 2604d216dff5SRobert Mastors struct compound_state *cs) 26057c478bd9Sstevel@tonic-gate { 26067c478bd9Sstevel@tonic-gate int error; 26077c478bd9Sstevel@tonic-gate int different_export = 0; 26087c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 26097c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 26107c478bd9Sstevel@tonic-gate nfsstat4 stat; 26117c478bd9Sstevel@tonic-gate fid_t fid; 26127c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 26137c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 26147c478bd9Sstevel@tonic-gate 26157c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 26167c478bd9Sstevel@tonic-gate attrdir = 1; 26177c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26187c478bd9Sstevel@tonic-gate } else { 26197c478bd9Sstevel@tonic-gate attrdir = 0; 26207c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26217c478bd9Sstevel@tonic-gate } 26227c478bd9Sstevel@tonic-gate 26237c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 26247c478bd9Sstevel@tonic-gate 26257c478bd9Sstevel@tonic-gate /* 26267c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 26277c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 26287c478bd9Sstevel@tonic-gate * export point. 26297c478bd9Sstevel@tonic-gate */ 26307c478bd9Sstevel@tonic-gate if (dotdot) { 26317c478bd9Sstevel@tonic-gate 26327c478bd9Sstevel@tonic-gate /* 26337c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 26347c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 26357c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 26367c478bd9Sstevel@tonic-gate */ 26377c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 26387c478bd9Sstevel@tonic-gate 26397c478bd9Sstevel@tonic-gate /* 26407c478bd9Sstevel@tonic-gate * If at the system root, then can 26417c478bd9Sstevel@tonic-gate * go up no further. 26427c478bd9Sstevel@tonic-gate */ 26437c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 26447c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26457c478bd9Sstevel@tonic-gate 26467c478bd9Sstevel@tonic-gate /* 26477c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 26487c478bd9Sstevel@tonic-gate */ 26497c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 26507c478bd9Sstevel@tonic-gate 26517c478bd9Sstevel@tonic-gate /* 26527c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 26537c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 26547c478bd9Sstevel@tonic-gate * this new filesystem. 26557c478bd9Sstevel@tonic-gate */ 26567c478bd9Sstevel@tonic-gate different_export = 1; 26577c478bd9Sstevel@tonic-gate } else { 26587c478bd9Sstevel@tonic-gate 26597c478bd9Sstevel@tonic-gate /* 26607c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 26617c478bd9Sstevel@tonic-gate * the different_export to get new export info. 26627c478bd9Sstevel@tonic-gate */ 26637c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 26647c478bd9Sstevel@tonic-gate } 26657c478bd9Sstevel@tonic-gate } 26667c478bd9Sstevel@tonic-gate 2667da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2668da6c28aaSamw NULL, NULL, NULL); 26697c478bd9Sstevel@tonic-gate if (error) 26707c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26717c478bd9Sstevel@tonic-gate 26727c478bd9Sstevel@tonic-gate /* 26737c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 26747c478bd9Sstevel@tonic-gate * 26757c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 26767c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 26777c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 26787c478bd9Sstevel@tonic-gate * from V2/V3. 26797c478bd9Sstevel@tonic-gate * 26807c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 26817c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 26827c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 26837c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 26847c478bd9Sstevel@tonic-gate */ 26857c478bd9Sstevel@tonic-gate if (!different_export && 26867c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 26877c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 26887c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 26897c478bd9Sstevel@tonic-gate VN_RELE(vp); 26907c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26917c478bd9Sstevel@tonic-gate } 26927c478bd9Sstevel@tonic-gate } 26937c478bd9Sstevel@tonic-gate 26947c478bd9Sstevel@tonic-gate /* 26957c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 26967c478bd9Sstevel@tonic-gate */ 26977c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 26987c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 26997c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 27007c478bd9Sstevel@tonic-gate 27017c478bd9Sstevel@tonic-gate /* 27027c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 27037c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 27047c478bd9Sstevel@tonic-gate */ 27057c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 27067c478bd9Sstevel@tonic-gate tvp = vp; 27077c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 27087c478bd9Sstevel@tonic-gate VN_RELE(vp); 27097c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27107c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27117c478bd9Sstevel@tonic-gate } 27127c478bd9Sstevel@tonic-gate vp = tvp; 27137c478bd9Sstevel@tonic-gate different_export = 1; 27147c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 27157c478bd9Sstevel@tonic-gate /* 27167c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 27177c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 27187c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 27197c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 27207c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 27217c478bd9Sstevel@tonic-gate * vfs ptrs. 27227c478bd9Sstevel@tonic-gate */ 27237c478bd9Sstevel@tonic-gate different_export = 1; 27247c478bd9Sstevel@tonic-gate } 27257c478bd9Sstevel@tonic-gate 27267c478bd9Sstevel@tonic-gate if (different_export) { 27277c478bd9Sstevel@tonic-gate 27287c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 27297c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 27307c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 27317c478bd9Sstevel@tonic-gate if (error) { 27327c478bd9Sstevel@tonic-gate VN_RELE(vp); 27337c478bd9Sstevel@tonic-gate if (pre_tvp) 27347c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27357c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27367c478bd9Sstevel@tonic-gate } 27377c478bd9Sstevel@tonic-gate 27387c478bd9Sstevel@tonic-gate if (dotdot) 27397c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 27407c478bd9Sstevel@tonic-gate else 27417c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 27427c478bd9Sstevel@tonic-gate 27437c478bd9Sstevel@tonic-gate if (exi == NULL) { 27447c478bd9Sstevel@tonic-gate if (pre_tvp) { 27457c478bd9Sstevel@tonic-gate /* 27467c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 27477c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 27487c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 27497c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 27507c478bd9Sstevel@tonic-gate * the mounted-on file system. 27517c478bd9Sstevel@tonic-gate */ 27527c478bd9Sstevel@tonic-gate VN_RELE(vp); 27537c478bd9Sstevel@tonic-gate vp = pre_tvp; 27547c478bd9Sstevel@tonic-gate exi = pre_exi; 27557c478bd9Sstevel@tonic-gate } else { 27567c478bd9Sstevel@tonic-gate VN_RELE(vp); 27577c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 27587c478bd9Sstevel@tonic-gate } 27597c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 27607c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 27617c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27627c478bd9Sstevel@tonic-gate } 27637c478bd9Sstevel@tonic-gate 27647c478bd9Sstevel@tonic-gate cs->exi = exi; 27657c478bd9Sstevel@tonic-gate 27667c478bd9Sstevel@tonic-gate /* 27677c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 27687c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 27697c478bd9Sstevel@tonic-gate * exported file system, and if he does, 27707c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 27717c478bd9Sstevel@tonic-gate * 27727c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 27737c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 27747c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 27757c478bd9Sstevel@tonic-gate * checkauth4() 27767c478bd9Sstevel@tonic-gate */ 27777c478bd9Sstevel@tonic-gate crfree(cs->cr); 27787c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 27797c478bd9Sstevel@tonic-gate 27807c478bd9Sstevel@tonic-gate if (cs->vp) 27817c478bd9Sstevel@tonic-gate oldvp = cs->vp; 27827c478bd9Sstevel@tonic-gate cs->vp = vp; 27837c478bd9Sstevel@tonic-gate is_newvp = TRUE; 27847c478bd9Sstevel@tonic-gate 27857c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 27867c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 27877c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27887c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27897c478bd9Sstevel@tonic-gate return (stat); 27907c478bd9Sstevel@tonic-gate } 27917c478bd9Sstevel@tonic-gate } 27927c478bd9Sstevel@tonic-gate 279345916cd2Sjpk /* 279445916cd2Sjpk * After various NFS checks, do a label check on the path 279545916cd2Sjpk * component. The label on this path should either be the 279645916cd2Sjpk * global zone's label or a zone's label. We are only 279745916cd2Sjpk * interested in the zone's label because exported files 279845916cd2Sjpk * in global zone is accessible (though read-only) to 279945916cd2Sjpk * clients. The exportability/visibility check is already 280045916cd2Sjpk * done before reaching this code. 280145916cd2Sjpk */ 280245916cd2Sjpk if (is_system_labeled()) { 280345916cd2Sjpk bslabel_t *clabel; 280445916cd2Sjpk 280545916cd2Sjpk ASSERT(req->rq_label != NULL); 280645916cd2Sjpk clabel = req->rq_label; 280745916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 280845916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 280945916cd2Sjpk 281045916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 2811bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 2812bd6f1640SJarrett Lu cs->exi)) { 281345916cd2Sjpk error = EACCES; 281445916cd2Sjpk goto err_out; 281545916cd2Sjpk } 281645916cd2Sjpk } else { 281745916cd2Sjpk /* 281845916cd2Sjpk * We grant access to admin_low label clients 281945916cd2Sjpk * only if the client is trusted, i.e. also 282045916cd2Sjpk * running Solaris Trusted Extension. 282145916cd2Sjpk */ 282245916cd2Sjpk struct sockaddr *ca; 282345916cd2Sjpk int addr_type; 282445916cd2Sjpk void *ipaddr; 282545916cd2Sjpk tsol_tpc_t *tp; 282645916cd2Sjpk 282745916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 282845916cd2Sjpk req->rq_xprt)->buf; 282945916cd2Sjpk if (ca->sa_family == AF_INET) { 283045916cd2Sjpk addr_type = IPV4_VERSION; 283145916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 283245916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 283345916cd2Sjpk addr_type = IPV6_VERSION; 283445916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 283545916cd2Sjpk ca)->sin6_addr; 283645916cd2Sjpk } 283745916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 283845916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 283945916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 284045916cd2Sjpk SUN_CIPSO) { 284103986916Sjarrett if (tp != NULL) 284203986916Sjarrett TPC_RELE(tp); 284345916cd2Sjpk error = EACCES; 284445916cd2Sjpk goto err_out; 284545916cd2Sjpk } 284603986916Sjarrett TPC_RELE(tp); 284745916cd2Sjpk } 284845916cd2Sjpk } 284945916cd2Sjpk 28507c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 28517c478bd9Sstevel@tonic-gate 285245916cd2Sjpk err_out: 28537c478bd9Sstevel@tonic-gate if (error) { 28547c478bd9Sstevel@tonic-gate if (is_newvp) { 28557c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28567c478bd9Sstevel@tonic-gate cs->vp = oldvp; 28577c478bd9Sstevel@tonic-gate } else 28587c478bd9Sstevel@tonic-gate VN_RELE(vp); 28597c478bd9Sstevel@tonic-gate return (puterrno4(error)); 28607c478bd9Sstevel@tonic-gate } 28617c478bd9Sstevel@tonic-gate 28627c478bd9Sstevel@tonic-gate if (!is_newvp) { 28637c478bd9Sstevel@tonic-gate if (cs->vp) 28647c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28657c478bd9Sstevel@tonic-gate cs->vp = vp; 28667c478bd9Sstevel@tonic-gate } else if (oldvp) 28677c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 28687c478bd9Sstevel@tonic-gate 28697c478bd9Sstevel@tonic-gate /* 28707c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 28717c478bd9Sstevel@tonic-gate * attr fh flag 28727c478bd9Sstevel@tonic-gate */ 28737c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 28747c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 28757c478bd9Sstevel@tonic-gate 28767c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 28777c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 28787c478bd9Sstevel@tonic-gate 28797c478bd9Sstevel@tonic-gate return (NFS4_OK); 28807c478bd9Sstevel@tonic-gate } 28817c478bd9Sstevel@tonic-gate 28827c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28837c478bd9Sstevel@tonic-gate static void 28847c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2885d216dff5SRobert Mastors struct compound_state *cs) 28867c478bd9Sstevel@tonic-gate { 28877c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 28887c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 28897c478bd9Sstevel@tonic-gate char *nm; 28907c478bd9Sstevel@tonic-gate uint_t len; 2891b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2892b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 28937c478bd9Sstevel@tonic-gate 2894f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__start, struct compound_state *, cs, 2895f3b585ceSsamf LOOKUP4args *, args); 2896f3b585ceSsamf 28977c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 28987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2899f3b585ceSsamf goto out; 29007c478bd9Sstevel@tonic-gate } 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 29037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 2904f3b585ceSsamf goto out; 29057c478bd9Sstevel@tonic-gate } 29067c478bd9Sstevel@tonic-gate 29077c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2909f3b585ceSsamf goto out; 29107c478bd9Sstevel@tonic-gate } 29117c478bd9Sstevel@tonic-gate 29127c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 29137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2914f3b585ceSsamf goto out; 29157c478bd9Sstevel@tonic-gate } 29167c478bd9Sstevel@tonic-gate 29177c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 29187c478bd9Sstevel@tonic-gate if (nm == NULL) { 29197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2920f3b585ceSsamf goto out; 29217c478bd9Sstevel@tonic-gate } 29227c478bd9Sstevel@tonic-gate 29237c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 29247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 29257c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2926f3b585ceSsamf goto out; 29277c478bd9Sstevel@tonic-gate } 29287c478bd9Sstevel@tonic-gate 2929b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 29307c478bd9Sstevel@tonic-gate 2931b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2932b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2933b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2934b89a8333Snatalie li - Sun Microsystems - Irvine United States 2935b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2936b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2937b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2938b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2939b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2940b89a8333Snatalie li - Sun Microsystems - Irvine United States 2941b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_lookup(name, len, req, cs); 2942b89a8333Snatalie li - Sun Microsystems - Irvine United States 2943b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 2944b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 29457c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2946f3b585ceSsamf 2947f3b585ceSsamf out: 2948f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__done, struct compound_state *, cs, 2949f3b585ceSsamf LOOKUP4res *, resp); 29507c478bd9Sstevel@tonic-gate } 29517c478bd9Sstevel@tonic-gate 29527c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29537c478bd9Sstevel@tonic-gate static void 29547c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 2955d216dff5SRobert Mastors struct compound_state *cs) 29567c478bd9Sstevel@tonic-gate { 29577c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 29587c478bd9Sstevel@tonic-gate 2959f3b585ceSsamf DTRACE_NFSV4_1(op__lookupp__start, struct compound_state *, cs); 2960f3b585ceSsamf 29617c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2963f3b585ceSsamf goto out; 29647c478bd9Sstevel@tonic-gate } 29657c478bd9Sstevel@tonic-gate 29667c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2968f3b585ceSsamf goto out; 29697c478bd9Sstevel@tonic-gate } 29707c478bd9Sstevel@tonic-gate 29717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup("..", 3, req, cs); 29727c478bd9Sstevel@tonic-gate 29737c478bd9Sstevel@tonic-gate /* 29747c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 29757c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 29767c478bd9Sstevel@tonic-gate */ 29777c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 29787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 29797c478bd9Sstevel@tonic-gate } 2980f3b585ceSsamf 2981f3b585ceSsamf out: 2982f3b585ceSsamf DTRACE_NFSV4_2(op__lookupp__done, struct compound_state *, cs, 2983f3b585ceSsamf LOOKUPP4res *, resp); 29847c478bd9Sstevel@tonic-gate } 29857c478bd9Sstevel@tonic-gate 29867c478bd9Sstevel@tonic-gate 29877c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 29887c478bd9Sstevel@tonic-gate static void 29897c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2990d216dff5SRobert Mastors struct compound_state *cs) 29917c478bd9Sstevel@tonic-gate { 29927c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 29937c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 29947c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 29957c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 29967c478bd9Sstevel@tonic-gate int exp_ro = 0; 29977c478bd9Sstevel@tonic-gate 2998f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__start, struct compound_state *, cs, 2999f3b585ceSsamf OPENATTR4args *, args); 3000f3b585ceSsamf 30017c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 30027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3003f3b585ceSsamf goto out; 30047c478bd9Sstevel@tonic-gate } 30057c478bd9Sstevel@tonic-gate 3006da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 30079660e5cbSJanice Chang !vfs_has_feature(cs->vp->v_vfsp, VFSFT_SYSATTR_VIEWS)) { 3008f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3009f3b585ceSsamf goto out; 30107c478bd9Sstevel@tonic-gate } 30117c478bd9Sstevel@tonic-gate 301293aeed83Smarks /* 301393aeed83Smarks * If file system supports passing ACE mask to VOP_ACCESS then 301493aeed83Smarks * check for ACE_READ_NAMED_ATTRS, otherwise do legacy checks 301593aeed83Smarks */ 301693aeed83Smarks 301793aeed83Smarks if (vfs_has_feature(cs->vp->v_vfsp, VFSFT_ACEMASKONACCESS)) 301893aeed83Smarks error = VOP_ACCESS(cs->vp, ACE_READ_NAMED_ATTRS, 301993aeed83Smarks V_ACE_MASK, cs->cr, NULL); 302093aeed83Smarks else 302193aeed83Smarks error = ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 302293aeed83Smarks (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 302393aeed83Smarks (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)); 302493aeed83Smarks 302593aeed83Smarks if (error) { 3026f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EACCES); 3027f3b585ceSsamf goto out; 30287c478bd9Sstevel@tonic-gate } 30297c478bd9Sstevel@tonic-gate 30307c478bd9Sstevel@tonic-gate /* 30317c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 30327c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 30337c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 30347c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 30357c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 30367c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 30377c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 30387c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 30397c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 30407c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 30417c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 30427c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 30437c478bd9Sstevel@tonic-gate */ 30447c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 30457c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 30467c478bd9Sstevel@tonic-gate 3047da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 3048da6c28aaSamw NULL, NULL, NULL); 30497c478bd9Sstevel@tonic-gate 30507c478bd9Sstevel@tonic-gate if (error) { 30517c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 3052f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EROFS); 30537c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 3054f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3055f3b585ceSsamf else 3056f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3057f3b585ceSsamf goto out; 30587c478bd9Sstevel@tonic-gate } 30597c478bd9Sstevel@tonic-gate 30607c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 30617c478bd9Sstevel@tonic-gate 30627c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 30637c478bd9Sstevel@tonic-gate 30647c478bd9Sstevel@tonic-gate if (error) { 30657c478bd9Sstevel@tonic-gate VN_RELE(avp); 3066f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3067f3b585ceSsamf goto out; 30687c478bd9Sstevel@tonic-gate } 30697c478bd9Sstevel@tonic-gate 30707c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 30717c478bd9Sstevel@tonic-gate cs->vp = avp; 30727c478bd9Sstevel@tonic-gate 30737c478bd9Sstevel@tonic-gate /* 30747c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 30757c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 30767c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 30777c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 30787c478bd9Sstevel@tonic-gate */ 30797c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 30807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30817c478bd9Sstevel@tonic-gate 3082f3b585ceSsamf out: 3083f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__done, struct compound_state *, cs, 3084f3b585ceSsamf OPENATTR4res *, resp); 30857c478bd9Sstevel@tonic-gate } 30867c478bd9Sstevel@tonic-gate 30877c478bd9Sstevel@tonic-gate static int 3088da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 3089da6c28aaSamw caller_context_t *ct) 30907c478bd9Sstevel@tonic-gate { 30917c478bd9Sstevel@tonic-gate int error; 30927c478bd9Sstevel@tonic-gate int i; 30937c478bd9Sstevel@tonic-gate clock_t delaytime; 30947c478bd9Sstevel@tonic-gate 30957c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 30967c478bd9Sstevel@tonic-gate 30977c478bd9Sstevel@tonic-gate /* 30987c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 30997c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 31007c478bd9Sstevel@tonic-gate */ 31017c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 31027c478bd9Sstevel@tonic-gate 31037c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 31047c478bd9Sstevel@tonic-gate 31057c478bd9Sstevel@tonic-gate 31067c478bd9Sstevel@tonic-gate if (direction == FREAD) { 3107da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 3108da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 3109da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 31107c478bd9Sstevel@tonic-gate } else { 3111da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 3112da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 3113da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 31147c478bd9Sstevel@tonic-gate } 31157c478bd9Sstevel@tonic-gate 31167c478bd9Sstevel@tonic-gate if (error != EAGAIN) 31177c478bd9Sstevel@tonic-gate break; 31187c478bd9Sstevel@tonic-gate 31197c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 31207c478bd9Sstevel@tonic-gate delay(delaytime); 31217c478bd9Sstevel@tonic-gate delaytime *= 2; 31227c478bd9Sstevel@tonic-gate } 31237c478bd9Sstevel@tonic-gate } 31247c478bd9Sstevel@tonic-gate 31257c478bd9Sstevel@tonic-gate return (error); 31267c478bd9Sstevel@tonic-gate } 31277c478bd9Sstevel@tonic-gate 31287c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31297c478bd9Sstevel@tonic-gate static void 31307c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3131d216dff5SRobert Mastors struct compound_state *cs) 31327c478bd9Sstevel@tonic-gate { 31337c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 31347c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 31357c478bd9Sstevel@tonic-gate int error; 31367c478bd9Sstevel@tonic-gate int verror; 31377c478bd9Sstevel@tonic-gate vnode_t *vp; 31387c478bd9Sstevel@tonic-gate struct vattr va; 31397c478bd9Sstevel@tonic-gate struct iovec iov; 31407c478bd9Sstevel@tonic-gate struct uio uio; 31417c478bd9Sstevel@tonic-gate u_offset_t offset; 31427c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 31437c478bd9Sstevel@tonic-gate nfsstat4 stat; 31447c478bd9Sstevel@tonic-gate int in_crit = 0; 3145*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States mblk_t *mp = NULL; 31467c478bd9Sstevel@tonic-gate int alloc_err = 0; 3147*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int rdma_used = 0; 3148*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int loaned_buffers; 3149da6c28aaSamw caller_context_t ct; 3150*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States struct uio *uiop; 31517c478bd9Sstevel@tonic-gate 3152f3b585ceSsamf DTRACE_NFSV4_2(op__read__start, struct compound_state *, cs, 3153f3b585ceSsamf READ4args, args); 3154f3b585ceSsamf 31557c478bd9Sstevel@tonic-gate vp = cs->vp; 31567c478bd9Sstevel@tonic-gate if (vp == NULL) { 31577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3158f3b585ceSsamf goto out; 31597c478bd9Sstevel@tonic-gate } 31607c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 31617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3162f3b585ceSsamf goto out; 31637c478bd9Sstevel@tonic-gate } 31647c478bd9Sstevel@tonic-gate 3165da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3166da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 3167da6c28aaSamw *cs->statusp = resp->status = stat; 3168da6c28aaSamw goto out; 3169da6c28aaSamw } 3170da6c28aaSamw 31717c478bd9Sstevel@tonic-gate /* 31727c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 31737c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 31747c478bd9Sstevel@tonic-gate */ 31757c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 31767c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 31777c478bd9Sstevel@tonic-gate in_crit = 1; 3178da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 3179da6c28aaSamw &ct)) { 31807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 31817c478bd9Sstevel@tonic-gate goto out; 31827c478bd9Sstevel@tonic-gate } 31837c478bd9Sstevel@tonic-gate } 31847c478bd9Sstevel@tonic-gate 31857c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3186da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 31877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 31887c478bd9Sstevel@tonic-gate goto out; 31897c478bd9Sstevel@tonic-gate } 31907c478bd9Sstevel@tonic-gate 3191*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (args->wlist) 3192*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rdma_used = 1; 3193*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3194*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* use loaned buffers for TCP */ 3195*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States loaned_buffers = (nfs_loaned_buffers && !rdma_used) ? 1 : 0; 3196*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 31977c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 3198da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 31997c478bd9Sstevel@tonic-gate 32007c478bd9Sstevel@tonic-gate /* 32017c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 32027c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 32037c478bd9Sstevel@tonic-gate */ 32047c478bd9Sstevel@tonic-gate if (verror) { 32057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 32067c478bd9Sstevel@tonic-gate goto out; 32077c478bd9Sstevel@tonic-gate } 32087c478bd9Sstevel@tonic-gate 32097c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 32107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 32111b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 32127c478bd9Sstevel@tonic-gate goto out; 32137c478bd9Sstevel@tonic-gate } 32147c478bd9Sstevel@tonic-gate 32157c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 3216da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 3217da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 32187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32197c478bd9Sstevel@tonic-gate goto out; 32207c478bd9Sstevel@tonic-gate } 32217c478bd9Sstevel@tonic-gate 32227c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 32237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 32247c478bd9Sstevel@tonic-gate goto out; 32257c478bd9Sstevel@tonic-gate } 32267c478bd9Sstevel@tonic-gate 32277c478bd9Sstevel@tonic-gate offset = args->offset; 32287c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 32297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32307c478bd9Sstevel@tonic-gate resp->eof = TRUE; 32317c478bd9Sstevel@tonic-gate resp->data_len = 0; 32327c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32337c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32340a701b1eSRobert Gordon /* RDMA */ 32350a701b1eSRobert Gordon resp->wlist = args->wlist; 32360a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 32377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3238f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3239f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32407c478bd9Sstevel@tonic-gate goto out; 32417c478bd9Sstevel@tonic-gate } 32427c478bd9Sstevel@tonic-gate 32437c478bd9Sstevel@tonic-gate if (args->count == 0) { 32447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32457c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32467c478bd9Sstevel@tonic-gate resp->data_len = 0; 32477c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32487c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32490a701b1eSRobert Gordon /* RDMA */ 32500a701b1eSRobert Gordon resp->wlist = args->wlist; 32510a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 3252f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3253f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32547c478bd9Sstevel@tonic-gate goto out; 32557c478bd9Sstevel@tonic-gate } 32567c478bd9Sstevel@tonic-gate 32577c478bd9Sstevel@tonic-gate /* 32587c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 32597c478bd9Sstevel@tonic-gate * transfer size 32607c478bd9Sstevel@tonic-gate */ 32617c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 32627c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 32637c478bd9Sstevel@tonic-gate 3264*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (loaned_buffers) { 3265*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop = (uio_t *)rfs_setup_xuio(vp); 3266*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(uiop != NULL); 3267*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_segflg = UIO_SYSSPACE; 3268*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_loffset = args->offset; 3269*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_resid = args->count; 3270*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3271*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* Jump to do the read if successful */ 3272*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (!VOP_REQZCBUF(vp, UIO_READ, (xuio_t *)uiop, cs->cr, &ct)) { 3273*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* 3274*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * Need to hold the vnode until after VOP_RETZCBUF() 3275*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * is called. 3276*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States */ 3277*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States VN_HOLD(vp); 3278*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States goto doio_read; 3279*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3280*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3281*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States DTRACE_PROBE2(nfss__i__reqzcbuf_failed, int, 3282*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_loffset, int, uiop->uio_resid); 3283*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3284*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_extflg = 0; 3285*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3286*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* failure to setup for zero copy */ 3287*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rfs_free_xuio((void *)uiop); 3288*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States loaned_buffers = 0; 3289*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3290*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 32917c478bd9Sstevel@tonic-gate /* 32920a701b1eSRobert Gordon * If returning data via RDMA Write, then grab the chunk list. If we 32930a701b1eSRobert Gordon * aren't returning READ data w/RDMA_WRITE, then grab a mblk. 32947c478bd9Sstevel@tonic-gate */ 3295*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (rdma_used) { 32960a701b1eSRobert Gordon mp = NULL; 32970a701b1eSRobert Gordon (void) rdma_get_wchunk(req, &iov, args->wlist); 32980a701b1eSRobert Gordon } else { 32990a701b1eSRobert Gordon /* 33000a701b1eSRobert Gordon * mp will contain the data to be sent out in the read reply. 33010a701b1eSRobert Gordon * It will be freed after the reply has been sent. Let's 33020a701b1eSRobert Gordon * roundup the data to a BYTES_PER_XDR_UNIT multiple, so that 33030a701b1eSRobert Gordon * the call to xdrmblk_putmblk() never fails. If the first 33040a701b1eSRobert Gordon * alloc of the requested size fails, then decrease the size to 33050a701b1eSRobert Gordon * something more reasonable and wait for the allocation to 33060a701b1eSRobert Gordon * occur. 33070a701b1eSRobert Gordon */ 33080a701b1eSRobert Gordon mp = allocb(RNDUP(args->count), BPRI_MED); 33090a701b1eSRobert Gordon if (mp == NULL) { 33100a701b1eSRobert Gordon if (args->count > MAXBSIZE) 33110a701b1eSRobert Gordon args->count = MAXBSIZE; 33120a701b1eSRobert Gordon mp = allocb_wait(RNDUP(args->count), BPRI_MED, 33130a701b1eSRobert Gordon STR_NOSIG, &alloc_err); 33140a701b1eSRobert Gordon } 33150a701b1eSRobert Gordon ASSERT(mp != NULL); 33160a701b1eSRobert Gordon ASSERT(alloc_err == 0); 33170a701b1eSRobert Gordon 33180a701b1eSRobert Gordon iov.iov_base = (caddr_t)mp->b_datap->db_base; 33190a701b1eSRobert Gordon iov.iov_len = args->count; 33207c478bd9Sstevel@tonic-gate } 33217c478bd9Sstevel@tonic-gate 33227c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 33237c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 33247c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 33257c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 33267c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 33277c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 3328*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop = &uio; 33297c478bd9Sstevel@tonic-gate 3330*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States doio_read: 3331*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States error = do_io(FREAD, vp, uiop, 0, cs->cr, &ct); 33327c478bd9Sstevel@tonic-gate 33337c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3334da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 33357c478bd9Sstevel@tonic-gate 33367c478bd9Sstevel@tonic-gate if (error) { 3337*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (mp) 3338*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States freemsg(mp); 33397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33407c478bd9Sstevel@tonic-gate goto out; 33417c478bd9Sstevel@tonic-gate } 33427c478bd9Sstevel@tonic-gate 3343*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* make mblk using zc buffers */ 3344*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (loaned_buffers) { 3345*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States mp = uio_to_mblk(uiop); 3346*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(mp != NULL); 3347*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3348*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 33497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 33507c478bd9Sstevel@tonic-gate 3351*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(uiop->uio_resid >= 0); 3352*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States resp->data_len = args->count - uiop->uio_resid; 33530a701b1eSRobert Gordon if (mp) { 33540a701b1eSRobert Gordon resp->data_val = (char *)mp->b_datap->db_base; 3355*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rfs_rndup_mblks(mp, resp->data_len, loaned_buffers); 33560a701b1eSRobert Gordon } else { 33570a701b1eSRobert Gordon resp->data_val = (caddr_t)iov.iov_base; 33580a701b1eSRobert Gordon } 3359*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 33607c478bd9Sstevel@tonic-gate resp->mblk = mp; 33617c478bd9Sstevel@tonic-gate 33627c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 33637c478bd9Sstevel@tonic-gate resp->eof = TRUE; 33647c478bd9Sstevel@tonic-gate else 33657c478bd9Sstevel@tonic-gate resp->eof = FALSE; 33667c478bd9Sstevel@tonic-gate 3367*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (rdma_used) { 33680a701b1eSRobert Gordon if (!rdma_setup_read_data4(args, resp)) { 33690a701b1eSRobert Gordon *cs->statusp = resp->status = NFS4ERR_INVAL; 33700a701b1eSRobert Gordon } 33710a701b1eSRobert Gordon } else { 33720a701b1eSRobert Gordon resp->wlist = NULL; 33730a701b1eSRobert Gordon } 33740a701b1eSRobert Gordon 33757c478bd9Sstevel@tonic-gate out: 33767c478bd9Sstevel@tonic-gate if (in_crit) 33777c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 3378f3b585ceSsamf 3379f3b585ceSsamf DTRACE_NFSV4_2(op__read__done, struct compound_state *, cs, 3380f3b585ceSsamf READ4res *, resp); 33817c478bd9Sstevel@tonic-gate } 33827c478bd9Sstevel@tonic-gate 33837c478bd9Sstevel@tonic-gate static void 33847c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 33857c478bd9Sstevel@tonic-gate { 33860a701b1eSRobert Gordon READ4res *resp = &resop->nfs_resop4_u.opread; 33877c478bd9Sstevel@tonic-gate 33887c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 3389*c242f9a0Schunli zhang - Sun Microsystems - Irvine United States freemsg(resp->mblk); 33907c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33917c478bd9Sstevel@tonic-gate resp->data_val = NULL; 33927c478bd9Sstevel@tonic-gate resp->data_len = 0; 33937c478bd9Sstevel@tonic-gate } 33947c478bd9Sstevel@tonic-gate } 33957c478bd9Sstevel@tonic-gate 33967c478bd9Sstevel@tonic-gate static void 33970a701b1eSRobert Gordon rfs4_op_readdir_free(nfs_resop4 * resop) 33987c478bd9Sstevel@tonic-gate { 33990a701b1eSRobert Gordon READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 34007c478bd9Sstevel@tonic-gate 34017c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 34027c478bd9Sstevel@tonic-gate freeb(resp->mblk); 34037c478bd9Sstevel@tonic-gate resp->mblk = NULL; 34047c478bd9Sstevel@tonic-gate resp->data_len = 0; 34057c478bd9Sstevel@tonic-gate } 34067c478bd9Sstevel@tonic-gate } 34077c478bd9Sstevel@tonic-gate 34087c478bd9Sstevel@tonic-gate 34097c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34107c478bd9Sstevel@tonic-gate static void 34117c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 34120a701b1eSRobert Gordon struct compound_state *cs) 34137c478bd9Sstevel@tonic-gate { 34140a701b1eSRobert Gordon PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 34150a701b1eSRobert Gordon int error; 34160a701b1eSRobert Gordon vnode_t *vp; 34177c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 34180a701b1eSRobert Gordon nfs_fh4_fmt_t *fh_fmtp; 34197c478bd9Sstevel@tonic-gate 3420f3b585ceSsamf DTRACE_NFSV4_1(op__putpubfh__start, struct compound_state *, cs); 3421f3b585ceSsamf 34227c478bd9Sstevel@tonic-gate if (cs->vp) { 34237c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34247c478bd9Sstevel@tonic-gate cs->vp = NULL; 34257c478bd9Sstevel@tonic-gate } 34267c478bd9Sstevel@tonic-gate 34277c478bd9Sstevel@tonic-gate if (cs->cr) 34287c478bd9Sstevel@tonic-gate crfree(cs->cr); 34297c478bd9Sstevel@tonic-gate 34307c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 34317c478bd9Sstevel@tonic-gate 34327c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 34337c478bd9Sstevel@tonic-gate if (vp == NULL) { 34347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3435f3b585ceSsamf goto out; 34367c478bd9Sstevel@tonic-gate } 34377c478bd9Sstevel@tonic-gate 34387c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 34397c478bd9Sstevel@tonic-gate if (error != 0) { 34407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3441f3b585ceSsamf goto out; 34427c478bd9Sstevel@tonic-gate } 34437c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 34447c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 34457c478bd9Sstevel@tonic-gate /* 34467c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 34477c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 34487c478bd9Sstevel@tonic-gate * is exported. 34497c478bd9Sstevel@tonic-gate */ 34507c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 34517c478bd9Sstevel@tonic-gate 34527c478bd9Sstevel@tonic-gate /* 34537c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 34547c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 34557c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 34567c478bd9Sstevel@tonic-gate */ 34577c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 34581b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 34597c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 34607c478bd9Sstevel@tonic-gate } else { 34617c478bd9Sstevel@tonic-gate /* 34627c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 34637c478bd9Sstevel@tonic-gate */ 34647c478bd9Sstevel@tonic-gate cs->exi = exi_public; 34657c478bd9Sstevel@tonic-gate } 34667c478bd9Sstevel@tonic-gate 3467bd6f1640SJarrett Lu if (is_system_labeled()) { 3468bd6f1640SJarrett Lu bslabel_t *clabel; 3469bd6f1640SJarrett Lu 3470bd6f1640SJarrett Lu ASSERT(req->rq_label != NULL); 3471bd6f1640SJarrett Lu clabel = req->rq_label; 3472bd6f1640SJarrett Lu DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 3473bd6f1640SJarrett Lu "got client label from request(1)", 3474bd6f1640SJarrett Lu struct svc_req *, req); 3475bd6f1640SJarrett Lu if (!blequal(&l_admin_low->tsl_label, clabel)) { 3476bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 3477bd6f1640SJarrett Lu cs->exi)) { 3478bd6f1640SJarrett Lu *cs->statusp = resp->status = 3479bd6f1640SJarrett Lu NFS4ERR_SERVERFAULT; 3480bd6f1640SJarrett Lu goto out; 3481bd6f1640SJarrett Lu } 3482bd6f1640SJarrett Lu } 3483bd6f1640SJarrett Lu } 3484bd6f1640SJarrett Lu 34857c478bd9Sstevel@tonic-gate VN_HOLD(vp); 34867c478bd9Sstevel@tonic-gate cs->vp = vp; 34877c478bd9Sstevel@tonic-gate 34887c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34897c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34907c478bd9Sstevel@tonic-gate cs->vp = NULL; 34917c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3492f3b585ceSsamf goto out; 34937c478bd9Sstevel@tonic-gate } 34947c478bd9Sstevel@tonic-gate 34957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3496f3b585ceSsamf out: 3497f3b585ceSsamf DTRACE_NFSV4_2(op__putpubfh__done, struct compound_state *, cs, 3498f3b585ceSsamf PUTPUBFH4res *, resp); 34997c478bd9Sstevel@tonic-gate } 35007c478bd9Sstevel@tonic-gate 35017c478bd9Sstevel@tonic-gate /* 35027c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 35037c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 35047c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 35057c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 35067c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 35077c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 35087c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 35097c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 35107c478bd9Sstevel@tonic-gate * know what the anonymous user is. 35117c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 35127c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 35137c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 35147c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 35157c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 35167c478bd9Sstevel@tonic-gate */ 35177c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35187c478bd9Sstevel@tonic-gate static void 35197c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3520d216dff5SRobert Mastors struct compound_state *cs) 35217c478bd9Sstevel@tonic-gate { 35227c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 35237c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 35247c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 35257c478bd9Sstevel@tonic-gate 3526f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__start, struct compound_state *, cs, 3527f3b585ceSsamf PUTFH4args *, args); 3528f3b585ceSsamf 35297c478bd9Sstevel@tonic-gate if (cs->vp) { 35307c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35317c478bd9Sstevel@tonic-gate cs->vp = NULL; 35327c478bd9Sstevel@tonic-gate } 35337c478bd9Sstevel@tonic-gate 35347c478bd9Sstevel@tonic-gate if (cs->cr) { 35357c478bd9Sstevel@tonic-gate crfree(cs->cr); 35367c478bd9Sstevel@tonic-gate cs->cr = NULL; 35377c478bd9Sstevel@tonic-gate } 35387c478bd9Sstevel@tonic-gate 35397c478bd9Sstevel@tonic-gate 35407c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 35417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 3542f3b585ceSsamf goto out; 35437c478bd9Sstevel@tonic-gate } 35447c478bd9Sstevel@tonic-gate 35457c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 35467c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 35471b300de9Sjwahlig NULL); 35487c478bd9Sstevel@tonic-gate 35497c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 35507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 3551f3b585ceSsamf goto out; 35527c478bd9Sstevel@tonic-gate } 35537c478bd9Sstevel@tonic-gate 35547c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35557c478bd9Sstevel@tonic-gate 35567c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 35577c478bd9Sstevel@tonic-gate 35587c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 35597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 3560f3b585ceSsamf goto out; 35617c478bd9Sstevel@tonic-gate } 35627c478bd9Sstevel@tonic-gate 35637c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35647c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35657c478bd9Sstevel@tonic-gate cs->vp = NULL; 3566f3b585ceSsamf goto out; 35677c478bd9Sstevel@tonic-gate } 35687c478bd9Sstevel@tonic-gate 35697c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 35707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35717c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3572f3b585ceSsamf 3573f3b585ceSsamf out: 3574f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__done, struct compound_state *, cs, 3575f3b585ceSsamf PUTFH4res *, resp); 35767c478bd9Sstevel@tonic-gate } 35777c478bd9Sstevel@tonic-gate 35787c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35797c478bd9Sstevel@tonic-gate static void 35807c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3581d216dff5SRobert Mastors struct compound_state *cs) 35827c478bd9Sstevel@tonic-gate { 35837c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 35847c478bd9Sstevel@tonic-gate int error; 35857c478bd9Sstevel@tonic-gate fid_t fid; 35867c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 35877c478bd9Sstevel@tonic-gate 3588f3b585ceSsamf DTRACE_NFSV4_1(op__putrootfh__start, struct compound_state *, cs); 3589f3b585ceSsamf 35907c478bd9Sstevel@tonic-gate if (cs->vp) { 35917c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35927c478bd9Sstevel@tonic-gate cs->vp = NULL; 35937c478bd9Sstevel@tonic-gate } 35947c478bd9Sstevel@tonic-gate 35957c478bd9Sstevel@tonic-gate if (cs->cr) 35967c478bd9Sstevel@tonic-gate crfree(cs->cr); 35977c478bd9Sstevel@tonic-gate 35987c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35997c478bd9Sstevel@tonic-gate 36007c478bd9Sstevel@tonic-gate /* 36017c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 36027c478bd9Sstevel@tonic-gate * get its fid. 36037c478bd9Sstevel@tonic-gate */ 36047c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 36057c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 36067c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 36077c478bd9Sstevel@tonic-gate if (error != 0) { 36087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3609f3b585ceSsamf goto out; 36107c478bd9Sstevel@tonic-gate } 36117c478bd9Sstevel@tonic-gate 36127c478bd9Sstevel@tonic-gate /* 36137c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 36147c478bd9Sstevel@tonic-gate * 36157c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 36167c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 36177c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 36187c478bd9Sstevel@tonic-gate * file tree. 36197c478bd9Sstevel@tonic-gate */ 36207c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 36217c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 36227c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 3623d216dff5SRobert Mastors (CE_WARN, "rfs4_op_putrootfh: export check failure")); 36247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3625f3b585ceSsamf goto out; 36267c478bd9Sstevel@tonic-gate } 36277c478bd9Sstevel@tonic-gate 36287c478bd9Sstevel@tonic-gate /* 36297c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 36307c478bd9Sstevel@tonic-gate * export and root vnode. 36317c478bd9Sstevel@tonic-gate */ 36327c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 36337c478bd9Sstevel@tonic-gate if (error != 0) { 36347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3635f3b585ceSsamf goto out; 36367c478bd9Sstevel@tonic-gate } 36377c478bd9Sstevel@tonic-gate 36387c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 36397c478bd9Sstevel@tonic-gate cs->exi = exi; 36407c478bd9Sstevel@tonic-gate 36417c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 36427c478bd9Sstevel@tonic-gate cs->vp = rootdir; 36437c478bd9Sstevel@tonic-gate 36447c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 36457c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 36467c478bd9Sstevel@tonic-gate cs->vp = NULL; 36477c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3648f3b585ceSsamf goto out; 36497c478bd9Sstevel@tonic-gate } 36507c478bd9Sstevel@tonic-gate 36517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 36527c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3653f3b585ceSsamf out: 3654f3b585ceSsamf DTRACE_NFSV4_2(op__putrootfh__done, struct compound_state *, cs, 3655f3b585ceSsamf PUTROOTFH4res *, resp); 36567c478bd9Sstevel@tonic-gate } 36577c478bd9Sstevel@tonic-gate 36587c478bd9Sstevel@tonic-gate /* 36597c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 36607c478bd9Sstevel@tonic-gate * - it has a non-zero ino 36617c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 36627c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 36637c478bd9Sstevel@tonic-gate * only have a limited view. 36647c478bd9Sstevel@tonic-gate */ 36657c478bd9Sstevel@tonic-gate static bool_t 36667c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 3667d216dff5SRobert Mastors int *expseudo, int check_visible) 36687c478bd9Sstevel@tonic-gate { 36697c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 36707c478bd9Sstevel@tonic-gate *expseudo = 0; 36717c478bd9Sstevel@tonic-gate return (FALSE); 36727c478bd9Sstevel@tonic-gate } 36737c478bd9Sstevel@tonic-gate 36747c478bd9Sstevel@tonic-gate if (! check_visible) { 36757c478bd9Sstevel@tonic-gate *expseudo = 0; 36767c478bd9Sstevel@tonic-gate return (TRUE); 36777c478bd9Sstevel@tonic-gate } 36787c478bd9Sstevel@tonic-gate 36797c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 36807c478bd9Sstevel@tonic-gate } 36817c478bd9Sstevel@tonic-gate 36827c478bd9Sstevel@tonic-gate /* 36837c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 36847c478bd9Sstevel@tonic-gate * to get for each directory entry. 36857c478bd9Sstevel@tonic-gate */ 36867c478bd9Sstevel@tonic-gate static nfsstat4 36877c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 3688d216dff5SRobert Mastors bitmap4 attrs, bool_t *need_to_lookup) 36897c478bd9Sstevel@tonic-gate { 36907c478bd9Sstevel@tonic-gate uint_t va_mask; 36917c478bd9Sstevel@tonic-gate nfsstat4 status; 36927c478bd9Sstevel@tonic-gate bitmap4 objbits; 36937c478bd9Sstevel@tonic-gate 36947c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 36957c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 36967c478bd9Sstevel@tonic-gate /* 36977c478bd9Sstevel@tonic-gate * could not even figure attr mask 36987c478bd9Sstevel@tonic-gate */ 36997c478bd9Sstevel@tonic-gate return (status); 37007c478bd9Sstevel@tonic-gate } 37017c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 37027c478bd9Sstevel@tonic-gate 37037c478bd9Sstevel@tonic-gate /* 37047c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 37057c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 37067c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 37077c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 37087c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 37097c478bd9Sstevel@tonic-gate */ 37107c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 37117c478bd9Sstevel@tonic-gate 37127c478bd9Sstevel@tonic-gate /* 37137c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 37147c478bd9Sstevel@tonic-gate * a) vattr attrs 37157c478bd9Sstevel@tonic-gate * b) vfs attrs 37167c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 37177c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 37187c478bd9Sstevel@tonic-gate */ 37197c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 37207c478bd9Sstevel@tonic-gate 37217c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 37227c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 37237c478bd9Sstevel@tonic-gate else 37247c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 37257c478bd9Sstevel@tonic-gate 37267c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 37277c478bd9Sstevel@tonic-gate return (NFS4_OK); 37287c478bd9Sstevel@tonic-gate 37297c478bd9Sstevel@tonic-gate /* 37307c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 37317c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 37327c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 37337c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 37347c478bd9Sstevel@tonic-gate */ 37357c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 37367c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 37377c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 37387c478bd9Sstevel@tonic-gate 37397c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 37407c478bd9Sstevel@tonic-gate /* 37417c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 37427c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 37437c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 37447c478bd9Sstevel@tonic-gate */ 37457c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 37467c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 37477c478bd9Sstevel@tonic-gate /* 37487c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 37497c478bd9Sstevel@tonic-gate */ 37507c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 37517c478bd9Sstevel@tonic-gate status = NFS4_OK; 37527c478bd9Sstevel@tonic-gate } 37537c478bd9Sstevel@tonic-gate 37547c478bd9Sstevel@tonic-gate return (status); 37557c478bd9Sstevel@tonic-gate } 37567c478bd9Sstevel@tonic-gate 37577c478bd9Sstevel@tonic-gate /* 37587c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 37597c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 37607c478bd9Sstevel@tonic-gate */ 37617c478bd9Sstevel@tonic-gate 37627c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37637c478bd9Sstevel@tonic-gate static void 37647c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3765d216dff5SRobert Mastors struct compound_state *cs) 37667c478bd9Sstevel@tonic-gate { 37677c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 37687c478bd9Sstevel@tonic-gate int error; 37697c478bd9Sstevel@tonic-gate vnode_t *vp; 37707c478bd9Sstevel@tonic-gate struct iovec iov; 37717c478bd9Sstevel@tonic-gate struct vattr va; 37727c478bd9Sstevel@tonic-gate struct uio uio; 37737c478bd9Sstevel@tonic-gate char *data; 3774b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3775b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 37762f172c55SRobert Thurlow int is_referral; 37777c478bd9Sstevel@tonic-gate 3778f3b585ceSsamf DTRACE_NFSV4_1(op__readlink__start, struct compound_state *, cs); 3779f3b585ceSsamf 37807c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 37817c478bd9Sstevel@tonic-gate vp = cs->vp; 37827c478bd9Sstevel@tonic-gate if (vp == NULL) { 37837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3784f3b585ceSsamf goto out; 37857c478bd9Sstevel@tonic-gate } 37867c478bd9Sstevel@tonic-gate 37877c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3789f3b585ceSsamf goto out; 37907c478bd9Sstevel@tonic-gate } 37917c478bd9Sstevel@tonic-gate 37922f172c55SRobert Thurlow /* Is it a referral? */ 37932f172c55SRobert Thurlow if (vn_is_nfs_reparse(vp, cs->cr) && client_is_downrev(req)) { 37942f172c55SRobert Thurlow 37952f172c55SRobert Thurlow is_referral = 1; 37962f172c55SRobert Thurlow 37972f172c55SRobert Thurlow } else { 37982f172c55SRobert Thurlow 37992f172c55SRobert Thurlow is_referral = 0; 38002f172c55SRobert Thurlow 38012f172c55SRobert Thurlow if (vp->v_type == VDIR) { 38022f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_ISDIR; 38032f172c55SRobert Thurlow goto out; 38042f172c55SRobert Thurlow } 38052f172c55SRobert Thurlow 38062f172c55SRobert Thurlow if (vp->v_type != VLNK) { 38072f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_INVAL; 38082f172c55SRobert Thurlow goto out; 38092f172c55SRobert Thurlow } 38107c478bd9Sstevel@tonic-gate 38117c478bd9Sstevel@tonic-gate } 38127c478bd9Sstevel@tonic-gate 38137c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3814da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 38157c478bd9Sstevel@tonic-gate if (error) { 38167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3817f3b585ceSsamf goto out; 38187c478bd9Sstevel@tonic-gate } 38197c478bd9Sstevel@tonic-gate 38207c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 38217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3822f3b585ceSsamf goto out; 38237c478bd9Sstevel@tonic-gate } 38247c478bd9Sstevel@tonic-gate 38257c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 38267c478bd9Sstevel@tonic-gate 38272f172c55SRobert Thurlow if (is_referral) { 38282f172c55SRobert Thurlow char *s; 38292f172c55SRobert Thurlow size_t strsz; 38302f172c55SRobert Thurlow 38312f172c55SRobert Thurlow /* Get an artificial symlink based on a referral */ 38322f172c55SRobert Thurlow s = build_symlink(vp, cs->cr, &strsz); 38332f172c55SRobert Thurlow global_svstat_ptr[4][NFS_REFERLINKS].value.ui64++; 38342f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__reflink, 38352f172c55SRobert Thurlow vnode_t *, vp, char *, s); 38362f172c55SRobert Thurlow if (s == NULL) 38372f172c55SRobert Thurlow error = EINVAL; 38382f172c55SRobert Thurlow else { 38392f172c55SRobert Thurlow error = 0; 38402f172c55SRobert Thurlow (void) strlcpy(data, s, MAXPATHLEN + 1); 38412f172c55SRobert Thurlow kmem_free(s, strsz); 38422f172c55SRobert Thurlow } 38432f172c55SRobert Thurlow 38442f172c55SRobert Thurlow } else { 38452f172c55SRobert Thurlow 38462f172c55SRobert Thurlow iov.iov_base = data; 38472f172c55SRobert Thurlow iov.iov_len = MAXPATHLEN; 38482f172c55SRobert Thurlow uio.uio_iov = &iov; 38492f172c55SRobert Thurlow uio.uio_iovcnt = 1; 38502f172c55SRobert Thurlow uio.uio_segflg = UIO_SYSSPACE; 38512f172c55SRobert Thurlow uio.uio_extflg = UIO_COPY_CACHED; 38522f172c55SRobert Thurlow uio.uio_loffset = 0; 38532f172c55SRobert Thurlow uio.uio_resid = MAXPATHLEN; 38542f172c55SRobert Thurlow 38552f172c55SRobert Thurlow error = VOP_READLINK(vp, &uio, cs->cr, NULL); 38567c478bd9Sstevel@tonic-gate 38572f172c55SRobert Thurlow if (!error) 38582f172c55SRobert Thurlow *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 38592f172c55SRobert Thurlow } 38607c478bd9Sstevel@tonic-gate 38617c478bd9Sstevel@tonic-gate if (error) { 38627c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3864f3b585ceSsamf goto out; 38657c478bd9Sstevel@tonic-gate } 38667c478bd9Sstevel@tonic-gate 3867b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 3868b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, data, NFSCMD_CONV_OUTBOUND, 3869b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 3870b89a8333Snatalie li - Sun Microsystems - Irvine United States 3871b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 3872b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 3873b89a8333Snatalie li - Sun Microsystems - Irvine United States * Even though the conversion failed, we return 3874b89a8333Snatalie li - Sun Microsystems - Irvine United States * something. We just don't translate it. 3875b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 3876b89a8333Snatalie li - Sun Microsystems - Irvine United States name = data; 3877b89a8333Snatalie li - Sun Microsystems - Irvine United States } 3878b89a8333Snatalie li - Sun Microsystems - Irvine United States 38797c478bd9Sstevel@tonic-gate /* 38807c478bd9Sstevel@tonic-gate * treat link name as data 38817c478bd9Sstevel@tonic-gate */ 3882b89a8333Snatalie li - Sun Microsystems - Irvine United States (void) str_to_utf8(name, &resp->link); 38837c478bd9Sstevel@tonic-gate 3884b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != data) 3885b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 38867c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3888f3b585ceSsamf 3889f3b585ceSsamf out: 3890f3b585ceSsamf DTRACE_NFSV4_2(op__readlink__done, struct compound_state *, cs, 3891f3b585ceSsamf READLINK4res *, resp); 38927c478bd9Sstevel@tonic-gate } 38937c478bd9Sstevel@tonic-gate 38947c478bd9Sstevel@tonic-gate static void 38957c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 38967c478bd9Sstevel@tonic-gate { 38977c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 38987c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 38997c478bd9Sstevel@tonic-gate 39007c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 39017c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 39027c478bd9Sstevel@tonic-gate } 39037c478bd9Sstevel@tonic-gate } 39047c478bd9Sstevel@tonic-gate 39057c478bd9Sstevel@tonic-gate /* 39067c478bd9Sstevel@tonic-gate * release_lockowner: 39077c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 39087c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 39097c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 39107c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 39117c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 39127c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 39137c478bd9Sstevel@tonic-gate * args: lock_owner 39147c478bd9Sstevel@tonic-gate * res: status 39157c478bd9Sstevel@tonic-gate */ 39167c478bd9Sstevel@tonic-gate /* ARGSUSED */ 39177c478bd9Sstevel@tonic-gate static void 39187c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 3919d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 39207c478bd9Sstevel@tonic-gate { 39217c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 39227c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 39237c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 3924d216dff5SRobert Mastors rfs4_openowner_t *oo; 39257c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 39267c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 39277c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 39287c478bd9Sstevel@tonic-gate bool_t create = FALSE; 39297c478bd9Sstevel@tonic-gate locklist_t *llist; 39307c478bd9Sstevel@tonic-gate sysid_t sysid; 39317c478bd9Sstevel@tonic-gate 3932f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__start, struct compound_state *, 3933f3b585ceSsamf cs, RELEASE_LOCKOWNER4args *, ap); 3934f3b585ceSsamf 39357c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 39367c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 39377c478bd9Sstevel@tonic-gate 39387c478bd9Sstevel@tonic-gate if (cp == NULL) { 39397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 39401b300de9Sjwahlig rfs4_check_clientid(&ap->lock_owner.clientid, 0); 3941f3b585ceSsamf goto out; 39427c478bd9Sstevel@tonic-gate } 39437c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 39447c478bd9Sstevel@tonic-gate 39457c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 39467c478bd9Sstevel@tonic-gate if (lo == NULL) { 39477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3948f3b585ceSsamf goto out; 39497c478bd9Sstevel@tonic-gate } 3950d216dff5SRobert Mastors ASSERT(lo->rl_client != NULL); 39517c478bd9Sstevel@tonic-gate 39527c478bd9Sstevel@tonic-gate /* 39537c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 39547c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 39557c478bd9Sstevel@tonic-gate */ 3956d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 39577c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 3959f3b585ceSsamf goto out; 39607c478bd9Sstevel@tonic-gate } 39617c478bd9Sstevel@tonic-gate 39627c478bd9Sstevel@tonic-gate /* 39637c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 39647c478bd9Sstevel@tonic-gate */ 3965d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3966d216dff5SRobert Mastors if (lo->rl_client->rc_sysidt == LM_NOSYSID) { 39677c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3968d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 3969f3b585ceSsamf goto out; 39707c478bd9Sstevel@tonic-gate } 39717c478bd9Sstevel@tonic-gate 3972d216dff5SRobert Mastors sysid = lo->rl_client->rc_sysidt; 3973d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 39747c478bd9Sstevel@tonic-gate 39757c478bd9Sstevel@tonic-gate /* 39767c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 39777c478bd9Sstevel@tonic-gate */ 3978d216dff5SRobert Mastors rfs4_dbe_hide(lo->rl_dbe); 39797c478bd9Sstevel@tonic-gate 39807c478bd9Sstevel@tonic-gate /* 39817c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 39827c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 39837c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 39847c478bd9Sstevel@tonic-gate * current locks. 39857c478bd9Sstevel@tonic-gate */ 39867c478bd9Sstevel@tonic-gate 3987d216dff5SRobert Mastors llist = flk_get_active_locks(sysid, lo->rl_pid); 39887c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 39897c478bd9Sstevel@tonic-gate if (llist != NULL) { 39907c478bd9Sstevel@tonic-gate 39917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 39927c478bd9Sstevel@tonic-gate 39937c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 39947c478bd9Sstevel@tonic-gate /* 39957c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 39967c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 39977c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 39987c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 39997c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 40007c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 40017c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 40027c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 40037c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 40047c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 40057c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 40067c478bd9Sstevel@tonic-gate * reissuing the request. 40077c478bd9Sstevel@tonic-gate */ 4008d216dff5SRobert Mastors rfs4_dbe_unhide(lo->rl_dbe); 40097c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 4010f3b585ceSsamf goto out; 40117c478bd9Sstevel@tonic-gate } 40127c478bd9Sstevel@tonic-gate 40137c478bd9Sstevel@tonic-gate /* 40147c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 40157c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 40167c478bd9Sstevel@tonic-gate * with this lockowner. 40177c478bd9Sstevel@tonic-gate */ 40187c478bd9Sstevel@tonic-gate 4019d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 4020d216dff5SRobert Mastors for (oo = list_head(&lo->rl_client->rc_openownerlist); oo != NULL; 4021d216dff5SRobert Mastors oo = list_next(&lo->rl_client->rc_openownerlist, oo)) { 40227c478bd9Sstevel@tonic-gate 4023d216dff5SRobert Mastors rfs4_dbe_lock(oo->ro_dbe); 4024d216dff5SRobert Mastors for (sp = list_head(&oo->ro_statelist); sp != NULL; 4025d216dff5SRobert Mastors sp = list_next(&oo->ro_statelist, sp)) { 40267c478bd9Sstevel@tonic-gate 4027d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 4028d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); 4029d216dff5SRobert Mastors lsp != NULL; 4030d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 4031d216dff5SRobert Mastors if (lsp->rls_locker == lo) { 4032d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 4033d216dff5SRobert Mastors rfs4_dbe_invalidate(lsp->rls_dbe); 4034d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 40357c478bd9Sstevel@tonic-gate } 40367c478bd9Sstevel@tonic-gate } 4037d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 40387c478bd9Sstevel@tonic-gate } 4039d216dff5SRobert Mastors rfs4_dbe_unlock(oo->ro_dbe); 40407c478bd9Sstevel@tonic-gate } 4041d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 40427c478bd9Sstevel@tonic-gate 40437c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 40447c478bd9Sstevel@tonic-gate 40457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4046f3b585ceSsamf 4047f3b585ceSsamf out: 4048f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__done, struct compound_state *, 4049f3b585ceSsamf cs, RELEASE_LOCKOWNER4res *, resp); 40507c478bd9Sstevel@tonic-gate } 40517c478bd9Sstevel@tonic-gate 40527c478bd9Sstevel@tonic-gate /* 40537c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 40547c478bd9Sstevel@tonic-gate */ 40557c478bd9Sstevel@tonic-gate static rfs4_file_t * 40567c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 4057d216dff5SRobert Mastors int *lkup_error, cred_t *cr) 40587c478bd9Sstevel@tonic-gate { 40597c478bd9Sstevel@tonic-gate vnode_t *vp; 40607c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 40617c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 40627c478bd9Sstevel@tonic-gate int error; 40637c478bd9Sstevel@tonic-gate 40647c478bd9Sstevel@tonic-gate if (vpp) 40657c478bd9Sstevel@tonic-gate *vpp = NULL; 40667c478bd9Sstevel@tonic-gate 4067da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 4068da6c28aaSamw NULL)) == 0) { 40697c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 40707c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 40717c478bd9Sstevel@tonic-gate if (vpp) 40727c478bd9Sstevel@tonic-gate *vpp = vp; 40737c478bd9Sstevel@tonic-gate else 40747c478bd9Sstevel@tonic-gate VN_RELE(vp); 40757c478bd9Sstevel@tonic-gate } 40767c478bd9Sstevel@tonic-gate 40777c478bd9Sstevel@tonic-gate if (lkup_error) 40787c478bd9Sstevel@tonic-gate *lkup_error = error; 40797c478bd9Sstevel@tonic-gate 40807c478bd9Sstevel@tonic-gate return (fp); 40817c478bd9Sstevel@tonic-gate } 40827c478bd9Sstevel@tonic-gate 40837c478bd9Sstevel@tonic-gate /* 40847c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 40857c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 40867c478bd9Sstevel@tonic-gate * for directory. 40877c478bd9Sstevel@tonic-gate */ 40887c478bd9Sstevel@tonic-gate /* ARGSUSED */ 40897c478bd9Sstevel@tonic-gate static void 40907c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4091d216dff5SRobert Mastors struct compound_state *cs) 40927c478bd9Sstevel@tonic-gate { 40937c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 40947c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 40957c478bd9Sstevel@tonic-gate int error; 40967c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 40977c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 40987c478bd9Sstevel@tonic-gate char *nm; 40997c478bd9Sstevel@tonic-gate uint_t len; 41007c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 41017c478bd9Sstevel@tonic-gate int in_crit = 0; 410245916cd2Sjpk bslabel_t *clabel; 4103b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4104b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 41057c478bd9Sstevel@tonic-gate 4106f3b585ceSsamf DTRACE_NFSV4_2(op__remove__start, struct compound_state *, cs, 4107f3b585ceSsamf REMOVE4args *, args); 4108f3b585ceSsamf 41097c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 41107c478bd9Sstevel@tonic-gate dvp = cs->vp; 41117c478bd9Sstevel@tonic-gate if (dvp == NULL) { 41127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4113f3b585ceSsamf goto out; 41147c478bd9Sstevel@tonic-gate } 41157c478bd9Sstevel@tonic-gate 41167c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 41177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4118f3b585ceSsamf goto out; 41197c478bd9Sstevel@tonic-gate } 41207c478bd9Sstevel@tonic-gate 41217c478bd9Sstevel@tonic-gate /* 41227c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 41237c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 41247c478bd9Sstevel@tonic-gate */ 41257c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 41267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4127f3b585ceSsamf goto out; 41287c478bd9Sstevel@tonic-gate } 41297c478bd9Sstevel@tonic-gate 41307c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 41317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4132f3b585ceSsamf goto out; 41337c478bd9Sstevel@tonic-gate } 41347c478bd9Sstevel@tonic-gate 41357c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->target)) { 41367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4137f3b585ceSsamf goto out; 41387c478bd9Sstevel@tonic-gate } 41397c478bd9Sstevel@tonic-gate 41407c478bd9Sstevel@tonic-gate /* 41417c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 41427c478bd9Sstevel@tonic-gate */ 41437c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 41447c478bd9Sstevel@tonic-gate if (nm == NULL) { 41457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4146f3b585ceSsamf goto out; 41477c478bd9Sstevel@tonic-gate } 41487c478bd9Sstevel@tonic-gate 41497c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 41507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 41517c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4152f3b585ceSsamf goto out; 41537c478bd9Sstevel@tonic-gate } 41547c478bd9Sstevel@tonic-gate 41557c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 41567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 41577c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4158f3b585ceSsamf goto out; 41597c478bd9Sstevel@tonic-gate } 41607c478bd9Sstevel@tonic-gate 4161b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 4162b89a8333Snatalie li - Sun Microsystems - Irvine United States 4163b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4164b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 4165b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4166b89a8333Snatalie li - Sun Microsystems - Irvine United States 4167b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 4168b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4169b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 4170b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4171b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4172b89a8333Snatalie li - Sun Microsystems - Irvine United States 41737c478bd9Sstevel@tonic-gate /* 41747c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 41757c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 41767c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 41777c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 41787c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 41797c478bd9Sstevel@tonic-gate */ 4180b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr)) { 41817c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 41821b300de9Sjwahlig NULL)) { 41837c478bd9Sstevel@tonic-gate VN_RELE(vp); 41847c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 4186b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4187b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41887c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4189f3b585ceSsamf goto out; 41907c478bd9Sstevel@tonic-gate } 41917c478bd9Sstevel@tonic-gate } 41927c478bd9Sstevel@tonic-gate 41937c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 41947c478bd9Sstevel@tonic-gate if (vp == NULL) { 41957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 4196b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4197b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41987c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4199f3b585ceSsamf goto out; 42007c478bd9Sstevel@tonic-gate } 42017c478bd9Sstevel@tonic-gate 42027c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 42037c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 42047c478bd9Sstevel@tonic-gate in_crit = 1; 4205da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 42067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 4207b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4208b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42097c478bd9Sstevel@tonic-gate kmem_free(nm, len); 42107c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 42117c478bd9Sstevel@tonic-gate VN_RELE(vp); 42127c478bd9Sstevel@tonic-gate if (fp) { 42137c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42147c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42157c478bd9Sstevel@tonic-gate } 4216f3b585ceSsamf goto out; 42177c478bd9Sstevel@tonic-gate } 42187c478bd9Sstevel@tonic-gate } 42197c478bd9Sstevel@tonic-gate 422045916cd2Sjpk /* check label before allowing removal */ 422145916cd2Sjpk if (is_system_labeled()) { 422245916cd2Sjpk ASSERT(req->rq_label != NULL); 422345916cd2Sjpk clabel = req->rq_label; 422445916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 422545916cd2Sjpk "got client label from request(1)", 422645916cd2Sjpk struct svc_req *, req); 422745916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 4228bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, EQUALITY_CHECK, 4229bd6f1640SJarrett Lu cs->exi)) { 423045916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4231b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 4232b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 423345916cd2Sjpk kmem_free(nm, len); 423445916cd2Sjpk if (in_crit) 423545916cd2Sjpk nbl_end_crit(vp); 423645916cd2Sjpk VN_RELE(vp); 423745916cd2Sjpk if (fp) { 423845916cd2Sjpk rfs4_clear_dont_grant(fp); 423945916cd2Sjpk rfs4_file_rele(fp); 424045916cd2Sjpk } 4241f3b585ceSsamf goto out; 424245916cd2Sjpk } 424345916cd2Sjpk } 424445916cd2Sjpk } 424545916cd2Sjpk 42467c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 42477c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 4248da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 42497c478bd9Sstevel@tonic-gate if (error) { 42507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4251b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4252b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42537c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4254a08f57bcSJames Wahlig if (in_crit) 4255a08f57bcSJames Wahlig nbl_end_crit(vp); 4256a08f57bcSJames Wahlig VN_RELE(vp); 4257a08f57bcSJames Wahlig if (fp) { 4258a08f57bcSJames Wahlig rfs4_clear_dont_grant(fp); 4259a08f57bcSJames Wahlig rfs4_file_rele(fp); 4260a08f57bcSJames Wahlig } 4261f3b585ceSsamf goto out; 42627c478bd9Sstevel@tonic-gate } 42637c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 42647c478bd9Sstevel@tonic-gate 42657c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 42667c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 42677c478bd9Sstevel@tonic-gate /* 42687c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 42697c478bd9Sstevel@tonic-gate */ 42707c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 42717c478bd9Sstevel@tonic-gate error = EACCES; 42727c478bd9Sstevel@tonic-gate } else { 42737c478bd9Sstevel@tonic-gate /* 42747c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 42757c478bd9Sstevel@tonic-gate * not * ENOTEMPTY, if the directory is not 42767c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 42777c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 42787c478bd9Sstevel@tonic-gate * transmit over the wire. 42797c478bd9Sstevel@tonic-gate */ 4280da6c28aaSamw if ((error = VOP_RMDIR(dvp, nm, rootdir, cs->cr, 4281da6c28aaSamw NULL, 0)) == EEXIST) 42827c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 42837c478bd9Sstevel@tonic-gate } 42847c478bd9Sstevel@tonic-gate } else { 4285b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_REMOVE(dvp, name, cs->cr, NULL, 0)) == 0 && 42861b300de9Sjwahlig fp != NULL) { 42877c478bd9Sstevel@tonic-gate struct vattr va; 4288418d27f3Sshepler vnode_t *tvp; 42897c478bd9Sstevel@tonic-gate 4290d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4291d216dff5SRobert Mastors tvp = fp->rf_vp; 4292418d27f3Sshepler if (tvp) 4293418d27f3Sshepler VN_HOLD(tvp); 4294d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4295418d27f3Sshepler 4296418d27f3Sshepler if (tvp) { 4297418d27f3Sshepler /* 4298418d27f3Sshepler * This is va_seq safe because we are not 4299418d27f3Sshepler * manipulating dvp. 4300418d27f3Sshepler */ 4301418d27f3Sshepler va.va_mask = AT_NLINK; 4302da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 43031b300de9Sjwahlig va.va_nlink == 0) { 4304418d27f3Sshepler /* Remove state on file remove */ 4305418d27f3Sshepler if (in_crit) { 4306418d27f3Sshepler nbl_end_crit(vp); 4307418d27f3Sshepler in_crit = 0; 4308418d27f3Sshepler } 4309418d27f3Sshepler rfs4_close_all_state(fp); 43107c478bd9Sstevel@tonic-gate } 4311418d27f3Sshepler VN_RELE(tvp); 43127c478bd9Sstevel@tonic-gate } 43137c478bd9Sstevel@tonic-gate } 43147c478bd9Sstevel@tonic-gate } 43157c478bd9Sstevel@tonic-gate 43167c478bd9Sstevel@tonic-gate if (in_crit) 43177c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 43187c478bd9Sstevel@tonic-gate VN_RELE(vp); 43197c478bd9Sstevel@tonic-gate 43207c478bd9Sstevel@tonic-gate if (fp) { 43217c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 43227c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 43237c478bd9Sstevel@tonic-gate } 4324b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4325b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 43267c478bd9Sstevel@tonic-gate kmem_free(nm, len); 43277c478bd9Sstevel@tonic-gate 43287c478bd9Sstevel@tonic-gate if (error) { 43297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4330f3b585ceSsamf goto out; 43317c478bd9Sstevel@tonic-gate } 43327c478bd9Sstevel@tonic-gate 43337c478bd9Sstevel@tonic-gate /* 43347c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 43357c478bd9Sstevel@tonic-gate */ 43367c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 4337da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 43387c478bd9Sstevel@tonic-gate idva.va_seq = 0; 43397c478bd9Sstevel@tonic-gate 43407c478bd9Sstevel@tonic-gate /* 43417c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 43427c478bd9Sstevel@tonic-gate */ 4343da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 43447c478bd9Sstevel@tonic-gate 43457c478bd9Sstevel@tonic-gate /* 43467c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 43477c478bd9Sstevel@tonic-gate * before value. 43487c478bd9Sstevel@tonic-gate */ 43497c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 4350da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 43517c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 43527c478bd9Sstevel@tonic-gate adva.va_seq = 0; 43537c478bd9Sstevel@tonic-gate } 43547c478bd9Sstevel@tonic-gate 43557c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 43567c478bd9Sstevel@tonic-gate 43577c478bd9Sstevel@tonic-gate /* 43587c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 43597c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 43607c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 43617c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 43627c478bd9Sstevel@tonic-gate */ 43637c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 43641b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 43657c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 43667c478bd9Sstevel@tonic-gate else 43677c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 43687c478bd9Sstevel@tonic-gate 43697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4370f3b585ceSsamf 4371f3b585ceSsamf out: 4372f3b585ceSsamf DTRACE_NFSV4_2(op__remove__done, struct compound_state *, cs, 4373f3b585ceSsamf REMOVE4res *, resp); 43747c478bd9Sstevel@tonic-gate } 43757c478bd9Sstevel@tonic-gate 43767c478bd9Sstevel@tonic-gate /* 43777c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 43787c478bd9Sstevel@tonic-gate * oldname and newname. 43797c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 43807c478bd9Sstevel@tonic-gate * for both from and target directories. 43817c478bd9Sstevel@tonic-gate */ 43827c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43837c478bd9Sstevel@tonic-gate static void 43847c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4385d216dff5SRobert Mastors struct compound_state *cs) 43867c478bd9Sstevel@tonic-gate { 43877c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 43887c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 43897c478bd9Sstevel@tonic-gate int error; 43907c478bd9Sstevel@tonic-gate vnode_t *odvp; 43917c478bd9Sstevel@tonic-gate vnode_t *ndvp; 43927c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 43937c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 43947c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 43957c478bd9Sstevel@tonic-gate char *onm, *nnm; 43967c478bd9Sstevel@tonic-gate uint_t olen, nlen; 43977c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 43987c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 43997c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 440045916cd2Sjpk bslabel_t *clabel; 4401b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4402b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_onm = NULL; 4403b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_nnm = NULL; 44047c478bd9Sstevel@tonic-gate 4405f3b585ceSsamf DTRACE_NFSV4_2(op__rename__start, struct compound_state *, cs, 4406f3b585ceSsamf RENAME4args *, args); 4407f3b585ceSsamf 44087c478bd9Sstevel@tonic-gate fp = sfp = NULL; 44097c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 44107c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 44117c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 44127c478bd9Sstevel@tonic-gate 44137c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 44147c478bd9Sstevel@tonic-gate ndvp = cs->vp; 44157c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 44167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4417f3b585ceSsamf goto out; 44187c478bd9Sstevel@tonic-gate } 44197c478bd9Sstevel@tonic-gate 44207c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 44217c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 44227c478bd9Sstevel@tonic-gate if (odvp == NULL) { 44237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4424f3b585ceSsamf goto out; 44257c478bd9Sstevel@tonic-gate } 44267c478bd9Sstevel@tonic-gate 44277c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 44287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4429f3b585ceSsamf goto out; 44307c478bd9Sstevel@tonic-gate } 44317c478bd9Sstevel@tonic-gate 44327c478bd9Sstevel@tonic-gate /* 44337c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 44347c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 44357c478bd9Sstevel@tonic-gate */ 44367c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 44377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4438f3b585ceSsamf goto out; 44397c478bd9Sstevel@tonic-gate } 44407c478bd9Sstevel@tonic-gate 44417c478bd9Sstevel@tonic-gate /* 44427c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 44437c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 44447c478bd9Sstevel@tonic-gate */ 44457c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 44467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4447f3b585ceSsamf goto out; 44487c478bd9Sstevel@tonic-gate } 44497c478bd9Sstevel@tonic-gate 44507c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 44517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4452f3b585ceSsamf goto out; 44537c478bd9Sstevel@tonic-gate } 44547c478bd9Sstevel@tonic-gate 44557c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 44567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 4457f3b585ceSsamf goto out; 44587c478bd9Sstevel@tonic-gate } 44597c478bd9Sstevel@tonic-gate 44607c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 44617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4462f3b585ceSsamf goto out; 44637c478bd9Sstevel@tonic-gate } 44647c478bd9Sstevel@tonic-gate 44657c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 44667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4467f3b585ceSsamf goto out; 44687c478bd9Sstevel@tonic-gate } 44697c478bd9Sstevel@tonic-gate 44707c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 44717c478bd9Sstevel@tonic-gate if (onm == NULL) { 44727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4473f3b585ceSsamf goto out; 44747c478bd9Sstevel@tonic-gate } 4475b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4476b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen = MAXPATHLEN + 1; 4477b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_onm = nfscmd_convname(ca, cs->exi, onm, NFSCMD_CONV_INBOUND, 4478b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen); 4479b89a8333Snatalie li - Sun Microsystems - Irvine United States 4480b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm == NULL) { 4481b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4482b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4483b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4484b89a8333Snatalie li - Sun Microsystems - Irvine United States } 44857c478bd9Sstevel@tonic-gate 44867c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 44877c478bd9Sstevel@tonic-gate if (nnm == NULL) { 44887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4489b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4490b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4491b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4492b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4493b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4494b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_nnm = nfscmd_convname(ca, cs->exi, nnm, NFSCMD_CONV_INBOUND, 4495b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4496b89a8333Snatalie li - Sun Microsystems - Irvine United States 4497b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm == NULL) { 4498b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4499b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 4500b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = NULL; 4501b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4502b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45037c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4504f3b585ceSsamf goto out; 45057c478bd9Sstevel@tonic-gate } 45067c478bd9Sstevel@tonic-gate 4507b89a8333Snatalie li - Sun Microsystems - Irvine United States 45087c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 45097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 45107c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 45117c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4512f3b585ceSsamf goto out; 45137c478bd9Sstevel@tonic-gate } 45147c478bd9Sstevel@tonic-gate 45157c478bd9Sstevel@tonic-gate 45167c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 45177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 4518b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4519b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45207c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4521b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4522b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 45237c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4524f3b585ceSsamf goto out; 45257c478bd9Sstevel@tonic-gate } 45267c478bd9Sstevel@tonic-gate 452745916cd2Sjpk /* check label of the target dir */ 452845916cd2Sjpk if (is_system_labeled()) { 452945916cd2Sjpk ASSERT(req->rq_label != NULL); 453045916cd2Sjpk clabel = req->rq_label; 453145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 453245916cd2Sjpk "got client label from request(1)", 453345916cd2Sjpk struct svc_req *, req); 453445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 453503986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 4536bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 453745916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4538b89a8333Snatalie li - Sun Microsystems - Irvine United States goto err_out; 453945916cd2Sjpk } 454045916cd2Sjpk } 454145916cd2Sjpk } 454245916cd2Sjpk 45437c478bd9Sstevel@tonic-gate /* 45447c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 45457c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 45467c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 45477c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 45487c478bd9Sstevel@tonic-gate */ 4549b89a8333Snatalie li - Sun Microsystems - Irvine United States if (sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp, 4550b89a8333Snatalie li - Sun Microsystems - Irvine United States &error, cs->cr)) { 45517c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 45521b300de9Sjwahlig NULL)) { 45537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45547c478bd9Sstevel@tonic-gate goto err_out; 45557c478bd9Sstevel@tonic-gate } 45567c478bd9Sstevel@tonic-gate } 45577c478bd9Sstevel@tonic-gate 45587c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 45597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4560b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4561b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45627c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4563b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4564b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45657c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4566f3b585ceSsamf goto out; 45677c478bd9Sstevel@tonic-gate } 45687c478bd9Sstevel@tonic-gate 45697c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 45707c478bd9Sstevel@tonic-gate 45717c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 4572b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, 4573b89a8333Snatalie li - Sun Microsystems - Irvine United States NULL, cs->cr)) { 45747c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 45751b300de9Sjwahlig NULL)) { 45767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45777c478bd9Sstevel@tonic-gate goto err_out; 45787c478bd9Sstevel@tonic-gate } 45797c478bd9Sstevel@tonic-gate } 45807c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 45817c478bd9Sstevel@tonic-gate 45827c478bd9Sstevel@tonic-gate 45837c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 45847c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 45857c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 45867c478bd9Sstevel@tonic-gate in_crit_src = 1; 4587da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 45887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45897c478bd9Sstevel@tonic-gate goto err_out; 45907c478bd9Sstevel@tonic-gate } 45917c478bd9Sstevel@tonic-gate } 45927c478bd9Sstevel@tonic-gate 45937c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 45947c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 45957c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4596da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 45977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45987c478bd9Sstevel@tonic-gate goto err_out; 45997c478bd9Sstevel@tonic-gate } 46007c478bd9Sstevel@tonic-gate } 46017c478bd9Sstevel@tonic-gate 46027c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 46037c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4604da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 46057c478bd9Sstevel@tonic-gate if (!error) { 46067c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4607da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 46087c478bd9Sstevel@tonic-gate } 46097c478bd9Sstevel@tonic-gate if (error) { 46107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 46117c478bd9Sstevel@tonic-gate goto err_out; 46127c478bd9Sstevel@tonic-gate } 46137c478bd9Sstevel@tonic-gate 46147c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 46157c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 46167c478bd9Sstevel@tonic-gate 4617b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_RENAME(odvp, converted_onm, ndvp, converted_nnm, 4618b89a8333Snatalie li - Sun Microsystems - Irvine United States cs->cr, NULL, 0)) == 0 && fp != NULL) { 46197c478bd9Sstevel@tonic-gate struct vattr va; 4620418d27f3Sshepler vnode_t *tvp; 4621418d27f3Sshepler 4622d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4623d216dff5SRobert Mastors tvp = fp->rf_vp; 4624418d27f3Sshepler if (tvp) 4625418d27f3Sshepler VN_HOLD(tvp); 4626d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 46277c478bd9Sstevel@tonic-gate 4628418d27f3Sshepler if (tvp) { 4629418d27f3Sshepler va.va_mask = AT_NLINK; 4630da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 46311b300de9Sjwahlig va.va_nlink == 0) { 4632418d27f3Sshepler /* The file is gone and so should the state */ 4633418d27f3Sshepler if (in_crit_targ) { 4634418d27f3Sshepler nbl_end_crit(targvp); 4635418d27f3Sshepler in_crit_targ = 0; 4636418d27f3Sshepler } 4637418d27f3Sshepler rfs4_close_all_state(fp); 46387c478bd9Sstevel@tonic-gate } 4639418d27f3Sshepler VN_RELE(tvp); 46407c478bd9Sstevel@tonic-gate } 46417c478bd9Sstevel@tonic-gate } 464251ece835Seschrock if (error == 0) 464351ece835Seschrock vn_renamepath(ndvp, srcvp, nnm, nlen - 1); 46447c478bd9Sstevel@tonic-gate 46457c478bd9Sstevel@tonic-gate if (in_crit_src) 46467c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 46477c478bd9Sstevel@tonic-gate if (srcvp) 46487c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 46497c478bd9Sstevel@tonic-gate if (in_crit_targ) 46507c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 46517c478bd9Sstevel@tonic-gate if (targvp) 46527c478bd9Sstevel@tonic-gate VN_RELE(targvp); 46537c478bd9Sstevel@tonic-gate 46547c478bd9Sstevel@tonic-gate if (sfp) { 46557c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 46567c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 46577c478bd9Sstevel@tonic-gate } 46587c478bd9Sstevel@tonic-gate if (fp) { 46597c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 46607c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 46617c478bd9Sstevel@tonic-gate } 46627c478bd9Sstevel@tonic-gate 4663b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm != onm) 4664b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 46657c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4666b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm != nnm) 4667b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 46687c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46697c478bd9Sstevel@tonic-gate 46707c478bd9Sstevel@tonic-gate /* 46717c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 46727c478bd9Sstevel@tonic-gate */ 46737c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4674da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 46757c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 46767c478bd9Sstevel@tonic-gate 46777c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4678da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 46797c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 46807c478bd9Sstevel@tonic-gate 46817c478bd9Sstevel@tonic-gate /* 46827c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 46837c478bd9Sstevel@tonic-gate */ 4684da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4685da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 46867c478bd9Sstevel@tonic-gate 46877c478bd9Sstevel@tonic-gate if (error) { 46887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4689f3b585ceSsamf goto out; 46907c478bd9Sstevel@tonic-gate } 46917c478bd9Sstevel@tonic-gate 46927c478bd9Sstevel@tonic-gate /* 46937c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 46947c478bd9Sstevel@tonic-gate * before value. 46957c478bd9Sstevel@tonic-gate */ 46967c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4697da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 46987c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 46997c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 47007c478bd9Sstevel@tonic-gate } 47017c478bd9Sstevel@tonic-gate 47027c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4703da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 47047c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 47057c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 47067c478bd9Sstevel@tonic-gate } 47077c478bd9Sstevel@tonic-gate 47087c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 47097c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 47107c478bd9Sstevel@tonic-gate 47117c478bd9Sstevel@tonic-gate /* 47127c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 47137c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 47147c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 47157c478bd9Sstevel@tonic-gate */ 47167c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 47171b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 47187c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 47197c478bd9Sstevel@tonic-gate else 47207c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 47217c478bd9Sstevel@tonic-gate 47227c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 47231b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 47247c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 47257c478bd9Sstevel@tonic-gate else 47267c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 47277c478bd9Sstevel@tonic-gate 47287c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 47297c478bd9Sstevel@tonic-gate { 47307c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 47317c478bd9Sstevel@tonic-gate 47327c478bd9Sstevel@tonic-gate /* 47337c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 47347c478bd9Sstevel@tonic-gate */ 47357c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 47367c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 47377c478bd9Sstevel@tonic-gate vnode_t *vp; 47387c478bd9Sstevel@tonic-gate 47397c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 47407c478bd9Sstevel@tonic-gate /* 47417c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 47427c478bd9Sstevel@tonic-gate */ 4743da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4744da6c28aaSamw NULL, NULL, NULL); 47457c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 47467c478bd9Sstevel@tonic-gate if (!error) { 47477c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 47487c478bd9Sstevel@tonic-gate VN_RELE(vp); 47497c478bd9Sstevel@tonic-gate } 47507c478bd9Sstevel@tonic-gate } 47517c478bd9Sstevel@tonic-gate } 47527c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 47537c478bd9Sstevel@tonic-gate 47547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4755f3b585ceSsamf out: 4756f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4757f3b585ceSsamf RENAME4res *, resp); 47587c478bd9Sstevel@tonic-gate return; 47597c478bd9Sstevel@tonic-gate 47607c478bd9Sstevel@tonic-gate err_out: 4761b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4762b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4763b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != NULL) 4764b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4765b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4766b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 4767b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != NULL) 4768b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 47697c478bd9Sstevel@tonic-gate 47707c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 47717c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 47727c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 47737c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 47747c478bd9Sstevel@tonic-gate if (sfp) { 47757c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 47767c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 47777c478bd9Sstevel@tonic-gate } 47787c478bd9Sstevel@tonic-gate if (fp) { 47797c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 47807c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 47817c478bd9Sstevel@tonic-gate } 4782f3b585ceSsamf 4783f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4784f3b585ceSsamf RENAME4res *, resp); 47857c478bd9Sstevel@tonic-gate } 47867c478bd9Sstevel@tonic-gate 47877c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47887c478bd9Sstevel@tonic-gate static void 47897c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4790d216dff5SRobert Mastors struct compound_state *cs) 47917c478bd9Sstevel@tonic-gate { 47927c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 47937c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 47947c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 47957c478bd9Sstevel@tonic-gate 4796f3b585ceSsamf DTRACE_NFSV4_2(op__renew__start, struct compound_state *, cs, 4797f3b585ceSsamf RENEW4args *, args); 4798f3b585ceSsamf 47997c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 48007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 48011b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 0); 4802f3b585ceSsamf goto out; 48037c478bd9Sstevel@tonic-gate } 48047c478bd9Sstevel@tonic-gate 48057c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 48067c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 48077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 4808f3b585ceSsamf goto out; 48097c478bd9Sstevel@tonic-gate } 48107c478bd9Sstevel@tonic-gate 48117c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 48127c478bd9Sstevel@tonic-gate 4813d216dff5SRobert Mastors mutex_enter(cp->rc_cbinfo.cb_lock); 4814d216dff5SRobert Mastors if (cp->rc_cbinfo.cb_notified_of_cb_path_down == FALSE) { 4815d216dff5SRobert Mastors cp->rc_cbinfo.cb_notified_of_cb_path_down = TRUE; 48167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 48177c478bd9Sstevel@tonic-gate } else { 48187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 48197c478bd9Sstevel@tonic-gate } 4820d216dff5SRobert Mastors mutex_exit(cp->rc_cbinfo.cb_lock); 48217c478bd9Sstevel@tonic-gate 48227c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 48237c478bd9Sstevel@tonic-gate 4824f3b585ceSsamf out: 4825f3b585ceSsamf DTRACE_NFSV4_2(op__renew__done, struct compound_state *, cs, 4826f3b585ceSsamf RENEW4res *, resp); 48277c478bd9Sstevel@tonic-gate } 48287c478bd9Sstevel@tonic-gate 48297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48307c478bd9Sstevel@tonic-gate static void 48317c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 4832d216dff5SRobert Mastors struct compound_state *cs) 48337c478bd9Sstevel@tonic-gate { 48347c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 48357c478bd9Sstevel@tonic-gate 4836f3b585ceSsamf DTRACE_NFSV4_1(op__restorefh__start, struct compound_state *, cs); 4837f3b585ceSsamf 48387c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48397c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 48407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 4841f3b585ceSsamf goto out; 48427c478bd9Sstevel@tonic-gate } 48437c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 48447c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 48457c478bd9Sstevel@tonic-gate } 48467c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 48477c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 48487c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 48497c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 48507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 48517c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 4852f3b585ceSsamf 4853f3b585ceSsamf out: 4854f3b585ceSsamf DTRACE_NFSV4_2(op__restorefh__done, struct compound_state *, cs, 4855f3b585ceSsamf RESTOREFH4res *, resp); 48567c478bd9Sstevel@tonic-gate } 48577c478bd9Sstevel@tonic-gate 48587c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48597c478bd9Sstevel@tonic-gate static void 48607c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4861d216dff5SRobert Mastors struct compound_state *cs) 48627c478bd9Sstevel@tonic-gate { 48637c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 48647c478bd9Sstevel@tonic-gate 4865f3b585ceSsamf DTRACE_NFSV4_1(op__savefh__start, struct compound_state *, cs); 4866f3b585ceSsamf 48677c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48687c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 48697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4870f3b585ceSsamf goto out; 48717c478bd9Sstevel@tonic-gate } 48727c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 48737c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 48747c478bd9Sstevel@tonic-gate } 48757c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 48767c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 48777c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 48787c478bd9Sstevel@tonic-gate /* 48797c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 48807c478bd9Sstevel@tonic-gate * unless necessary. 48817c478bd9Sstevel@tonic-gate */ 48827c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 48837c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 48847c478bd9Sstevel@tonic-gate } 48857c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 48867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4887f3b585ceSsamf 4888f3b585ceSsamf out: 4889f3b585ceSsamf DTRACE_NFSV4_2(op__savefh__done, struct compound_state *, cs, 4890f3b585ceSsamf SAVEFH4res *, resp); 48917c478bd9Sstevel@tonic-gate } 48927c478bd9Sstevel@tonic-gate 48937c478bd9Sstevel@tonic-gate /* 48947c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 48957c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 48967c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 48977c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 48987c478bd9Sstevel@tonic-gate * 48997c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 49007c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 49017c478bd9Sstevel@tonic-gate * 49027c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 49037c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 49047c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 49057c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 49067c478bd9Sstevel@tonic-gate * 49077c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 49087c478bd9Sstevel@tonic-gate */ 49097c478bd9Sstevel@tonic-gate static int 49107c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 4911d216dff5SRobert Mastors bitmap4 *resp, struct nfs4_ntov_table *ntovp) 49127c478bd9Sstevel@tonic-gate { 49137c478bd9Sstevel@tonic-gate int error, ret_error = 0; 49147c478bd9Sstevel@tonic-gate int i, k; 49157c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 49167c478bd9Sstevel@tonic-gate uint_t vbit; 49177c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 49187c478bd9Sstevel@tonic-gate uint8_t *amap; 49197c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 49207c478bd9Sstevel@tonic-gate 49217c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 49227c478bd9Sstevel@tonic-gate /* 49237c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 49247c478bd9Sstevel@tonic-gate * on the incoming values. 49257c478bd9Sstevel@tonic-gate */ 49267c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4927da6c28aaSamw sargp->cs->cr, NULL); 49287c478bd9Sstevel@tonic-gate if (ret_error) { 49297c478bd9Sstevel@tonic-gate if (resp == NULL) 49307c478bd9Sstevel@tonic-gate return (ret_error); 49317c478bd9Sstevel@tonic-gate /* 49327c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 49337c478bd9Sstevel@tonic-gate */ 49347c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 49357c478bd9Sstevel@tonic-gate } else { 49367c478bd9Sstevel@tonic-gate /* 49377c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 49387c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 49397c478bd9Sstevel@tonic-gate * defensive coding. 49407c478bd9Sstevel@tonic-gate * See bug id 4276830. 49417c478bd9Sstevel@tonic-gate */ 49427c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 49437c478bd9Sstevel@tonic-gate } 49447c478bd9Sstevel@tonic-gate } 49457c478bd9Sstevel@tonic-gate 49467c478bd9Sstevel@tonic-gate if (getsb) { 49477c478bd9Sstevel@tonic-gate /* 49487c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 49497c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 49507c478bd9Sstevel@tonic-gate */ 49517c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 49527c478bd9Sstevel@tonic-gate if (ret_error) { 49537c478bd9Sstevel@tonic-gate if (resp == NULL) 49547c478bd9Sstevel@tonic-gate goto errout; 49557c478bd9Sstevel@tonic-gate getsb = FALSE; 49567c478bd9Sstevel@tonic-gate } 49577c478bd9Sstevel@tonic-gate } 49587c478bd9Sstevel@tonic-gate 49597c478bd9Sstevel@tonic-gate /* 49607c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 49617c478bd9Sstevel@tonic-gate * whether it's the same as the input. 49627c478bd9Sstevel@tonic-gate */ 49637c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 49647c478bd9Sstevel@tonic-gate goto errout; 49657c478bd9Sstevel@tonic-gate 49667c478bd9Sstevel@tonic-gate na = ntovp->na; 49677c478bd9Sstevel@tonic-gate amap = ntovp->amap; 49687c478bd9Sstevel@tonic-gate k = 0; 49697c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 49707c478bd9Sstevel@tonic-gate k = *amap; 49717c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 49727c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 49737c478bd9Sstevel@tonic-gate 49747c478bd9Sstevel@tonic-gate /* 49757c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 49767c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 49777c478bd9Sstevel@tonic-gate */ 49787c478bd9Sstevel@tonic-gate if (vbit) { 49797c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 49807c478bd9Sstevel@tonic-gate continue; 49817c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 49827c478bd9Sstevel@tonic-gate continue; 49837c478bd9Sstevel@tonic-gate } 49841b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 49857c478bd9Sstevel@tonic-gate if (resp != NULL) { 49867c478bd9Sstevel@tonic-gate if (error) 49877c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49887c478bd9Sstevel@tonic-gate else /* update response bitmap */ 49897c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 49907c478bd9Sstevel@tonic-gate continue; 49917c478bd9Sstevel@tonic-gate } 49927c478bd9Sstevel@tonic-gate if (error) { 49937c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49947c478bd9Sstevel@tonic-gate break; 49957c478bd9Sstevel@tonic-gate } 49967c478bd9Sstevel@tonic-gate } 49977c478bd9Sstevel@tonic-gate errout: 49987c478bd9Sstevel@tonic-gate return (ret_error); 49997c478bd9Sstevel@tonic-gate } 50007c478bd9Sstevel@tonic-gate 50017c478bd9Sstevel@tonic-gate /* 50027c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 50037c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 50047c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 50057c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 50067c478bd9Sstevel@tonic-gate * 50077c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 50087c478bd9Sstevel@tonic-gate */ 50097c478bd9Sstevel@tonic-gate static int 50107c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 5011d216dff5SRobert Mastors int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 50127c478bd9Sstevel@tonic-gate { 50137c478bd9Sstevel@tonic-gate int error = 0; 50147c478bd9Sstevel@tonic-gate bool_t set_later; 50157c478bd9Sstevel@tonic-gate 50167c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 50177c478bd9Sstevel@tonic-gate 50187c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 50197c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 50207c478bd9Sstevel@tonic-gate /* 50217c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 50227c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 50237c478bd9Sstevel@tonic-gate * Will be done later. 50247c478bd9Sstevel@tonic-gate */ 50257c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 50267c478bd9Sstevel@tonic-gate /* 50277c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 50287c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 50297c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 50307c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 50317c478bd9Sstevel@tonic-gate */ 50327c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 50337c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 50347c478bd9Sstevel@tonic-gate sargp, nap); 50357c478bd9Sstevel@tonic-gate if (error) { 50367c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 50377c478bd9Sstevel@tonic-gate (caddr_t)nap); 50387c478bd9Sstevel@tonic-gate } 50397c478bd9Sstevel@tonic-gate } 50407c478bd9Sstevel@tonic-gate } 50417c478bd9Sstevel@tonic-gate } else { 50427c478bd9Sstevel@tonic-gate #ifdef DEBUG 50437c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 50441b300de9Sjwahlig "decoding attribute %d\n", k); 50457c478bd9Sstevel@tonic-gate #endif 50467c478bd9Sstevel@tonic-gate error = EINVAL; 50477c478bd9Sstevel@tonic-gate } 50487c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 50497c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 50507c478bd9Sstevel@tonic-gate } 50517c478bd9Sstevel@tonic-gate 50527c478bd9Sstevel@tonic-gate return (error); 50537c478bd9Sstevel@tonic-gate } 50547c478bd9Sstevel@tonic-gate 50557c478bd9Sstevel@tonic-gate /* 50567c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 50577c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 50587c478bd9Sstevel@tonic-gate */ 50597c478bd9Sstevel@tonic-gate static nfsstat4 50607c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 5061d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 5062d216dff5SRobert Mastors nfs4_attr_cmd_t cmd) 50637c478bd9Sstevel@tonic-gate { 50647c478bd9Sstevel@tonic-gate int error = 0; 50657c478bd9Sstevel@tonic-gate int i; 50667c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 50677c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 50687c478bd9Sstevel@tonic-gate XDR xdr; 50697c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 50707c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 50717c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 50727c478bd9Sstevel@tonic-gate uint8_t *amap; 50737c478bd9Sstevel@tonic-gate 50747c478bd9Sstevel@tonic-gate #ifndef lint 50757c478bd9Sstevel@tonic-gate /* 50767c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 50777c478bd9Sstevel@tonic-gate * 8 bit quantity. 50787c478bd9Sstevel@tonic-gate */ 50797c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 50807c478bd9Sstevel@tonic-gate #endif 50817c478bd9Sstevel@tonic-gate 50827c478bd9Sstevel@tonic-gate if (vp == NULL) { 50837c478bd9Sstevel@tonic-gate if (resp) 50847c478bd9Sstevel@tonic-gate *resp = 0; 50857c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 50867c478bd9Sstevel@tonic-gate } 50877c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 50887c478bd9Sstevel@tonic-gate if (resp) 50897c478bd9Sstevel@tonic-gate *resp = 0; 50907c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 50917c478bd9Sstevel@tonic-gate } 50927c478bd9Sstevel@tonic-gate 50937c478bd9Sstevel@tonic-gate sargp->op = cmd; 50947c478bd9Sstevel@tonic-gate sargp->cs = cs; 50957c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 50967c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 50977c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 50987c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 50997c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 51007c478bd9Sstevel@tonic-gate 51017c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 51027c478bd9Sstevel@tonic-gate 51037c478bd9Sstevel@tonic-gate na = ntovp->na; 51047c478bd9Sstevel@tonic-gate amap = ntovp->amap; 51057c478bd9Sstevel@tonic-gate 51067c478bd9Sstevel@tonic-gate /* 51077c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 51087c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 51097c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 51107c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 51117c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 51127c478bd9Sstevel@tonic-gate * will be set in this loop. 51137c478bd9Sstevel@tonic-gate */ 51147c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 51157c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 51167c478bd9Sstevel@tonic-gate continue; 51177c478bd9Sstevel@tonic-gate } 51187c478bd9Sstevel@tonic-gate /* 51197c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 51207c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 51217c478bd9Sstevel@tonic-gate */ 51227c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 51231b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 51247c478bd9Sstevel@tonic-gate /* 51257c478bd9Sstevel@tonic-gate * Client tries to set/verify an 51267c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 51277c478bd9Sstevel@tonic-gate * a read only attr or verify a write 51287c478bd9Sstevel@tonic-gate * only one - error! 51297c478bd9Sstevel@tonic-gate */ 51307c478bd9Sstevel@tonic-gate break; 51317c478bd9Sstevel@tonic-gate } 51327c478bd9Sstevel@tonic-gate /* 51337c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 51347c478bd9Sstevel@tonic-gate */ 51357c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 51361b300de9Sjwahlig &xdr, resp ? resp : NULL, na); 51377c478bd9Sstevel@tonic-gate if (error) 51387c478bd9Sstevel@tonic-gate break; 51397c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 51407c478bd9Sstevel@tonic-gate na++; 51417c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 51427c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 51437c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 51447c478bd9Sstevel@tonic-gate } 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate if (error != 0) 51471b300de9Sjwahlig status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 51481b300de9Sjwahlig puterrno4(error)); 51497c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 51507c478bd9Sstevel@tonic-gate return (status); 51517c478bd9Sstevel@tonic-gate } 51527c478bd9Sstevel@tonic-gate 51537c478bd9Sstevel@tonic-gate static nfsstat4 51547c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 5155d216dff5SRobert Mastors stateid4 *stateid) 51567c478bd9Sstevel@tonic-gate { 51577c478bd9Sstevel@tonic-gate int error = 0; 51587c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 51597c478bd9Sstevel@tonic-gate bool_t trunc; 51607c478bd9Sstevel@tonic-gate 51617c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 51627c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 51637c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 51647c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 51657c478bd9Sstevel@tonic-gate struct statvfs64 sb; 51667c478bd9Sstevel@tonic-gate struct vattr bva; 51677c478bd9Sstevel@tonic-gate struct flock64 bf; 51687c478bd9Sstevel@tonic-gate int in_crit = 0; 51697c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 51707c478bd9Sstevel@tonic-gate caller_context_t ct; 51717c478bd9Sstevel@tonic-gate 51727c478bd9Sstevel@tonic-gate *resp = 0; 51737c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 51742f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 51757c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 51767c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 51771b300de9Sjwahlig NFS4ATTR_SETIT); 51787c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 51797c478bd9Sstevel@tonic-gate /* 51807c478bd9Sstevel@tonic-gate * failed set attrs 51817c478bd9Sstevel@tonic-gate */ 51827c478bd9Sstevel@tonic-gate goto done; 51837c478bd9Sstevel@tonic-gate } 51847c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 51857c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 51867c478bd9Sstevel@tonic-gate /* 51877c478bd9Sstevel@tonic-gate * no further work to be done 51887c478bd9Sstevel@tonic-gate */ 51897c478bd9Sstevel@tonic-gate goto done; 51907c478bd9Sstevel@tonic-gate } 51917c478bd9Sstevel@tonic-gate 51927c478bd9Sstevel@tonic-gate /* 51937c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 51947c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 51957c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 51967c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 51977c478bd9Sstevel@tonic-gate */ 51987c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 51997c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 52007c478bd9Sstevel@tonic-gate vattr_t va; 52017c478bd9Sstevel@tonic-gate 52027c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 5203da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 52047c478bd9Sstevel@tonic-gate if (error) { 52057c478bd9Sstevel@tonic-gate status = puterrno4(error); 52067c478bd9Sstevel@tonic-gate goto done; 52077c478bd9Sstevel@tonic-gate } 52087c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 52097c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 52107c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 52117c478bd9Sstevel@tonic-gate goto done; 52127c478bd9Sstevel@tonic-gate } 52137c478bd9Sstevel@tonic-gate } 52147c478bd9Sstevel@tonic-gate 52157c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 52167c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 52177c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 52187c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 5219da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 52207c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 52217c478bd9Sstevel@tonic-gate goto done; 5222da6c28aaSamw } else { 5223da6c28aaSamw ct.cc_sysid = 0; 5224da6c28aaSamw ct.cc_pid = 0; 5225da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 522662b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 52277c478bd9Sstevel@tonic-gate } 52287c478bd9Sstevel@tonic-gate 52297c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 52307c478bd9Sstevel@tonic-gate 52317c478bd9Sstevel@tonic-gate /* 52327c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 52337c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 52347c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 52357c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 52367c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 52377c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 52387c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 52397c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 52407c478bd9Sstevel@tonic-gate * do the access checking. 52417c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 52427c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 52437c478bd9Sstevel@tonic-gate * the region of the change. 52447c478bd9Sstevel@tonic-gate */ 52457c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 52467c478bd9Sstevel@tonic-gate u_offset_t offset; 52477c478bd9Sstevel@tonic-gate ssize_t length; 52487c478bd9Sstevel@tonic-gate 52499720e166Sjasmith /* 52509720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 52519720e166Sjasmith * before returning, sarg.vap->va_mask is used to 52529720e166Sjasmith * generate the setattr reply bitmap. We also clear 52539720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 52549720e166Sjasmith * of these cases, the va_mask needs to be saved here 52559720e166Sjasmith * and restored after calling VOP_SETATTR. 52569720e166Sjasmith */ 52579720e166Sjasmith saved_mask = sarg.vap->va_mask; 52589720e166Sjasmith 52597c478bd9Sstevel@tonic-gate /* 52607c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 52617c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 52627c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 52637c478bd9Sstevel@tonic-gate */ 52647c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 52657c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 52667c478bd9Sstevel@tonic-gate in_crit = 1; 52677c478bd9Sstevel@tonic-gate } 52687c478bd9Sstevel@tonic-gate 52697c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 5270da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 52717c478bd9Sstevel@tonic-gate status = puterrno4(error); 52727c478bd9Sstevel@tonic-gate goto done; 52737c478bd9Sstevel@tonic-gate } 52747c478bd9Sstevel@tonic-gate 52757c478bd9Sstevel@tonic-gate if (in_crit) { 52767c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 52777c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 52787c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 52797c478bd9Sstevel@tonic-gate } else { 52807c478bd9Sstevel@tonic-gate offset = bva.va_size; 52817c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 52827c478bd9Sstevel@tonic-gate } 5283da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 5284da6c28aaSamw &ct)) { 52857c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 52867c478bd9Sstevel@tonic-gate goto done; 52877c478bd9Sstevel@tonic-gate } 52887c478bd9Sstevel@tonic-gate } 52897c478bd9Sstevel@tonic-gate 52907c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 52917c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 52927c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 52937c478bd9Sstevel@tonic-gate bf.l_whence = 0; 52947c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 52957c478bd9Sstevel@tonic-gate bf.l_len = 0; 52967c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 52977c478bd9Sstevel@tonic-gate bf.l_pid = 0; 52987c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 52991b300de9Sjwahlig (offset_t)sarg.vap->va_size, cr, &ct); 53007c478bd9Sstevel@tonic-gate } 53017c478bd9Sstevel@tonic-gate } 53027c478bd9Sstevel@tonic-gate 53037c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 53047c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 53057c478bd9Sstevel@tonic-gate 53069720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 53077c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 53087c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 53097c478bd9Sstevel@tonic-gate 53107c478bd9Sstevel@tonic-gate /* 53117c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 53127c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 53137c478bd9Sstevel@tonic-gate */ 53147c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 53157c478bd9Sstevel@tonic-gate int i; 53167c478bd9Sstevel@tonic-gate 53177c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 53187c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 53197c478bd9Sstevel@tonic-gate break; 53207c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 53217c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 53227c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 53237c478bd9Sstevel@tonic-gate if (error == 0) { 53247c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 53257c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 53267c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53277c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 53287c478bd9Sstevel@tonic-gate goto done; 53297c478bd9Sstevel@tonic-gate } 53307c478bd9Sstevel@tonic-gate } else { 53317c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 53327c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 53337c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 53347c478bd9Sstevel@tonic-gate error = EINVAL; 53357c478bd9Sstevel@tonic-gate } 53367c478bd9Sstevel@tonic-gate } 53377c478bd9Sstevel@tonic-gate 53387c478bd9Sstevel@tonic-gate if (error) { 533962b9fcbeSjwahlig /* check if a monitor detected a delegation conflict */ 534062b9fcbeSjwahlig if (error == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 534162b9fcbeSjwahlig status = NFS4ERR_DELAY; 534262b9fcbeSjwahlig else 534362b9fcbeSjwahlig status = puterrno4(error); 53447c478bd9Sstevel@tonic-gate 53457c478bd9Sstevel@tonic-gate /* 53467c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 53477c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 53487c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 53497c478bd9Sstevel@tonic-gate * to the setattr arguments. 53507c478bd9Sstevel@tonic-gate */ 53517c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53527c478bd9Sstevel@tonic-gate } else { 53537c478bd9Sstevel@tonic-gate /* 53547c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 53557c478bd9Sstevel@tonic-gate */ 5356da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 53577c478bd9Sstevel@tonic-gate /* 53587c478bd9Sstevel@tonic-gate * Set response bitmap 53597c478bd9Sstevel@tonic-gate */ 53609720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 53617c478bd9Sstevel@tonic-gate } 53627c478bd9Sstevel@tonic-gate 53637c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 53647c478bd9Sstevel@tonic-gate done: 53659720e166Sjasmith /* 53669720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 53679720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 53689720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 53699720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 53709720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 53719720e166Sjasmith * case. 53729720e166Sjasmith */ 53739720e166Sjasmith *resp &= fattrp->attrmask; 53749720e166Sjasmith 53757c478bd9Sstevel@tonic-gate if (in_crit) 53767c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 53777c478bd9Sstevel@tonic-gate 53787c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 53797c478bd9Sstevel@tonic-gate 53807c478bd9Sstevel@tonic-gate return (status); 53817c478bd9Sstevel@tonic-gate } 53827c478bd9Sstevel@tonic-gate 53837c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53847c478bd9Sstevel@tonic-gate static void 53857c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5386d216dff5SRobert Mastors struct compound_state *cs) 53877c478bd9Sstevel@tonic-gate { 53887c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 53897c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 539045916cd2Sjpk bslabel_t *clabel; 53917c478bd9Sstevel@tonic-gate 5392f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__start, struct compound_state *, cs, 5393f3b585ceSsamf SETATTR4args *, args); 5394f3b585ceSsamf 53957c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5397f3b585ceSsamf goto out; 53987c478bd9Sstevel@tonic-gate } 53997c478bd9Sstevel@tonic-gate 54007c478bd9Sstevel@tonic-gate /* 54017c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 54027c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 54037c478bd9Sstevel@tonic-gate */ 54047c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 54057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5406f3b585ceSsamf goto out; 54077c478bd9Sstevel@tonic-gate } 54087c478bd9Sstevel@tonic-gate 54097c478bd9Sstevel@tonic-gate resp->attrsset = 0; 54107c478bd9Sstevel@tonic-gate 54117c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 54127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 5413f3b585ceSsamf goto out; 54147c478bd9Sstevel@tonic-gate } 54157c478bd9Sstevel@tonic-gate 541645916cd2Sjpk /* check label before setting attributes */ 541745916cd2Sjpk if (is_system_labeled()) { 541845916cd2Sjpk ASSERT(req->rq_label != NULL); 541945916cd2Sjpk clabel = req->rq_label; 542045916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 542145916cd2Sjpk "got client label from request(1)", 542245916cd2Sjpk struct svc_req *, req); 542345916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 542403986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 5425bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 542645916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 5427f3b585ceSsamf goto out; 542845916cd2Sjpk } 542945916cd2Sjpk } 543045916cd2Sjpk } 543145916cd2Sjpk 54327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 54331b300de9Sjwahlig do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 54341b300de9Sjwahlig &args->stateid); 5435f3b585ceSsamf 5436f3b585ceSsamf out: 5437f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__done, struct compound_state *, cs, 5438f3b585ceSsamf SETATTR4res *, resp); 54397c478bd9Sstevel@tonic-gate } 54407c478bd9Sstevel@tonic-gate 54417c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54427c478bd9Sstevel@tonic-gate static void 54437c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5444d216dff5SRobert Mastors struct compound_state *cs) 54457c478bd9Sstevel@tonic-gate { 54467c478bd9Sstevel@tonic-gate /* 54477c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 54487c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 54497c478bd9Sstevel@tonic-gate * when none changed. 54507c478bd9Sstevel@tonic-gate */ 54517c478bd9Sstevel@tonic-gate 54527c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 54537c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 54547c478bd9Sstevel@tonic-gate 54557c478bd9Sstevel@tonic-gate int error; 54567c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 54577c478bd9Sstevel@tonic-gate struct statvfs64 sb; 54587c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54597c478bd9Sstevel@tonic-gate 5460f3b585ceSsamf DTRACE_NFSV4_2(op__verify__start, struct compound_state *, cs, 5461f3b585ceSsamf VERIFY4args *, args); 5462f3b585ceSsamf 54637c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 54647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5465f3b585ceSsamf goto out; 54667c478bd9Sstevel@tonic-gate } 54677c478bd9Sstevel@tonic-gate 54687c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 54692f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 54707c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54717c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54721b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 54737c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54747c478bd9Sstevel@tonic-gate /* 54757c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54767c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54777c478bd9Sstevel@tonic-gate */ 54787c478bd9Sstevel@tonic-gate if (resp->status == -1) 54797c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54807c478bd9Sstevel@tonic-gate goto done; 54817c478bd9Sstevel@tonic-gate } 54827c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54837c478bd9Sstevel@tonic-gate switch (error) { 54847c478bd9Sstevel@tonic-gate case 0: 54857c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54867c478bd9Sstevel@tonic-gate break; 54877c478bd9Sstevel@tonic-gate case -1: 54887c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54897c478bd9Sstevel@tonic-gate break; 54907c478bd9Sstevel@tonic-gate default: 54917c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 54927c478bd9Sstevel@tonic-gate break; 54937c478bd9Sstevel@tonic-gate } 54947c478bd9Sstevel@tonic-gate done: 54957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 54967c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5497f3b585ceSsamf out: 5498f3b585ceSsamf DTRACE_NFSV4_2(op__verify__done, struct compound_state *, cs, 5499f3b585ceSsamf VERIFY4res *, resp); 55007c478bd9Sstevel@tonic-gate } 55017c478bd9Sstevel@tonic-gate 55027c478bd9Sstevel@tonic-gate /* ARGSUSED */ 55037c478bd9Sstevel@tonic-gate static void 55047c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5505d216dff5SRobert Mastors struct compound_state *cs) 55067c478bd9Sstevel@tonic-gate { 55077c478bd9Sstevel@tonic-gate /* 55087c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 55097c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 55107c478bd9Sstevel@tonic-gate * when none changed. 55117c478bd9Sstevel@tonic-gate */ 55127c478bd9Sstevel@tonic-gate 55137c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 55147c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 55157c478bd9Sstevel@tonic-gate 55167c478bd9Sstevel@tonic-gate int error; 55177c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 55187c478bd9Sstevel@tonic-gate struct statvfs64 sb; 55197c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 55207c478bd9Sstevel@tonic-gate 5521f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__start, struct compound_state *, cs, 5522f3b585ceSsamf NVERIFY4args *, args); 5523f3b585ceSsamf 55247c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 55257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5526f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5527f3b585ceSsamf NVERIFY4res *, resp); 55287c478bd9Sstevel@tonic-gate return; 55297c478bd9Sstevel@tonic-gate } 55307c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 55312f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 55327c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 55337c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 55341b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 55357c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 55367c478bd9Sstevel@tonic-gate /* 55377c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 55387c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 55397c478bd9Sstevel@tonic-gate */ 55407c478bd9Sstevel@tonic-gate if (resp->status == -1) 55417c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55427c478bd9Sstevel@tonic-gate goto done; 55437c478bd9Sstevel@tonic-gate } 55447c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 55457c478bd9Sstevel@tonic-gate switch (error) { 55467c478bd9Sstevel@tonic-gate case 0: 55477c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 55487c478bd9Sstevel@tonic-gate break; 55497c478bd9Sstevel@tonic-gate case -1: 55507c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55517c478bd9Sstevel@tonic-gate break; 55527c478bd9Sstevel@tonic-gate default: 55537c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 55547c478bd9Sstevel@tonic-gate break; 55557c478bd9Sstevel@tonic-gate } 55567c478bd9Sstevel@tonic-gate done: 55577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 55587c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5559f3b585ceSsamf 5560f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5561f3b585ceSsamf NVERIFY4res *, resp); 55627c478bd9Sstevel@tonic-gate } 55637c478bd9Sstevel@tonic-gate 55647c478bd9Sstevel@tonic-gate /* 55657c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 55667c478bd9Sstevel@tonic-gate */ 55677c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 55687c478bd9Sstevel@tonic-gate 55697c478bd9Sstevel@tonic-gate /* ARGSUSED */ 55707c478bd9Sstevel@tonic-gate static void 55717c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5572d216dff5SRobert Mastors struct compound_state *cs) 55737c478bd9Sstevel@tonic-gate { 5574f3b585ceSsamf WRITE4args *args = &argop->nfs_argop4_u.opwrite; 55757c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 55767c478bd9Sstevel@tonic-gate int error; 55777c478bd9Sstevel@tonic-gate vnode_t *vp; 55787c478bd9Sstevel@tonic-gate struct vattr bva; 55797c478bd9Sstevel@tonic-gate u_offset_t rlimit; 55807c478bd9Sstevel@tonic-gate struct uio uio; 55817c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 55827c478bd9Sstevel@tonic-gate struct iovec *iovp; 55837c478bd9Sstevel@tonic-gate int iovcnt; 55847c478bd9Sstevel@tonic-gate int ioflag; 55857c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 55867c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 55877c478bd9Sstevel@tonic-gate nfsstat4 stat; 55887c478bd9Sstevel@tonic-gate int in_crit = 0; 5589da6c28aaSamw caller_context_t ct; 55907c478bd9Sstevel@tonic-gate 5591f3b585ceSsamf DTRACE_NFSV4_2(op__write__start, struct compound_state *, cs, 5592f3b585ceSsamf WRITE4args *, args); 5593f3b585ceSsamf 55947c478bd9Sstevel@tonic-gate vp = cs->vp; 55957c478bd9Sstevel@tonic-gate if (vp == NULL) { 55967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5597f3b585ceSsamf goto out; 55987c478bd9Sstevel@tonic-gate } 55997c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 56007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5601f3b585ceSsamf goto out; 56027c478bd9Sstevel@tonic-gate } 56037c478bd9Sstevel@tonic-gate 56047c478bd9Sstevel@tonic-gate cr = cs->cr; 56057c478bd9Sstevel@tonic-gate 5606da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5607da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5608da6c28aaSamw *cs->statusp = resp->status = stat; 5609da6c28aaSamw goto out; 5610da6c28aaSamw } 5611da6c28aaSamw 56127c478bd9Sstevel@tonic-gate /* 56137c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 56147c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 56157c478bd9Sstevel@tonic-gate */ 56167c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 56177c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 56187c478bd9Sstevel@tonic-gate in_crit = 1; 56197c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5620da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 56217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 56227c478bd9Sstevel@tonic-gate goto out; 56237c478bd9Sstevel@tonic-gate } 56247c478bd9Sstevel@tonic-gate } 56257c478bd9Sstevel@tonic-gate 56267c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5627da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 56287c478bd9Sstevel@tonic-gate 56297c478bd9Sstevel@tonic-gate /* 56307c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 56317c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 56327c478bd9Sstevel@tonic-gate */ 56337c478bd9Sstevel@tonic-gate if (error) { 56347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56357c478bd9Sstevel@tonic-gate goto out; 56367c478bd9Sstevel@tonic-gate } 56377c478bd9Sstevel@tonic-gate 56387c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 56397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 56407c478bd9Sstevel@tonic-gate goto out; 56417c478bd9Sstevel@tonic-gate } 56427c478bd9Sstevel@tonic-gate 56437c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 56447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 56451b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 56467c478bd9Sstevel@tonic-gate goto out; 56477c478bd9Sstevel@tonic-gate } 56487c478bd9Sstevel@tonic-gate 56497c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5650da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 56517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56527c478bd9Sstevel@tonic-gate goto out; 56537c478bd9Sstevel@tonic-gate } 56547c478bd9Sstevel@tonic-gate 56557c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 56567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 56577c478bd9Sstevel@tonic-gate goto out; 56587c478bd9Sstevel@tonic-gate } 56597c478bd9Sstevel@tonic-gate 56607c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 56617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 56627c478bd9Sstevel@tonic-gate resp->count = 0; 56637c478bd9Sstevel@tonic-gate resp->committed = args->stable; 56647c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 56657c478bd9Sstevel@tonic-gate goto out; 56667c478bd9Sstevel@tonic-gate } 56677c478bd9Sstevel@tonic-gate 56687c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 56697c478bd9Sstevel@tonic-gate mblk_t *m; 56707c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 56717c478bd9Sstevel@tonic-gate 56727c478bd9Sstevel@tonic-gate iovcnt = 0; 56737c478bd9Sstevel@tonic-gate bytes = 0; 56747c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 56757c478bd9Sstevel@tonic-gate for (m = args->mblk; 56767c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 56777c478bd9Sstevel@tonic-gate m = m->b_cont) { 56787c478bd9Sstevel@tonic-gate iovcnt++; 56797c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 56807c478bd9Sstevel@tonic-gate } 56817c478bd9Sstevel@tonic-gate #ifdef DEBUG 56827c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 56837c478bd9Sstevel@tonic-gate if (bytes != round_len) { 56847c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 56857c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 56867c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 56877c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 56887c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 56897c478bd9Sstevel@tonic-gate } 56907c478bd9Sstevel@tonic-gate #endif 56917c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 56927c478bd9Sstevel@tonic-gate iovp = iov; 56937c478bd9Sstevel@tonic-gate } else { 56947c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 56957c478bd9Sstevel@tonic-gate } 56967c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 56970a701b1eSRobert Gordon } else if (args->rlist != NULL) { 56980a701b1eSRobert Gordon iovcnt = 1; 56990a701b1eSRobert Gordon iovp = iov; 57000a701b1eSRobert Gordon iovp->iov_base = (char *)((args->rlist)->u.c_daddr3); 57010a701b1eSRobert Gordon iovp->iov_len = args->data_len; 57027c478bd9Sstevel@tonic-gate } else { 57037c478bd9Sstevel@tonic-gate iovcnt = 1; 57047c478bd9Sstevel@tonic-gate iovp = iov; 57057c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 57067c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 57077c478bd9Sstevel@tonic-gate } 57087c478bd9Sstevel@tonic-gate 57097c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 57107c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 57117c478bd9Sstevel@tonic-gate 57127c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 57137c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 57147c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 57157c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 57167c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 57177c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 57187c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 57197c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 57207c478bd9Sstevel@tonic-gate 57217c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 57227c478bd9Sstevel@tonic-gate ioflag = 0; 57237c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 57247c478bd9Sstevel@tonic-gate ioflag = FSYNC; 57257c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 57267c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 57277c478bd9Sstevel@tonic-gate else { 57287c478bd9Sstevel@tonic-gate if (iovp != iov) 57297c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 57307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 57317c478bd9Sstevel@tonic-gate goto out; 57327c478bd9Sstevel@tonic-gate } 57337c478bd9Sstevel@tonic-gate 57347c478bd9Sstevel@tonic-gate /* 57357c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 57367c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 57377c478bd9Sstevel@tonic-gate * checking is enabled. 57387c478bd9Sstevel@tonic-gate */ 57397c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 57407c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5741da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 57427c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 57437c478bd9Sstevel@tonic-gate 57447c478bd9Sstevel@tonic-gate if (iovp != iov) 57457c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 57467c478bd9Sstevel@tonic-gate 57477c478bd9Sstevel@tonic-gate if (error) { 57487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 57497c478bd9Sstevel@tonic-gate goto out; 57507c478bd9Sstevel@tonic-gate } 57517c478bd9Sstevel@tonic-gate 57527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 57537c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 57547c478bd9Sstevel@tonic-gate 57557c478bd9Sstevel@tonic-gate if (ioflag == 0) 57567c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 57577c478bd9Sstevel@tonic-gate else 57587c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 57597c478bd9Sstevel@tonic-gate 57607c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 57617c478bd9Sstevel@tonic-gate 57627c478bd9Sstevel@tonic-gate out: 57637c478bd9Sstevel@tonic-gate if (in_crit) 57647c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 5765f3b585ceSsamf 5766f3b585ceSsamf DTRACE_NFSV4_2(op__write__done, struct compound_state *, cs, 5767f3b585ceSsamf WRITE4res *, resp); 57687c478bd9Sstevel@tonic-gate } 57697c478bd9Sstevel@tonic-gate 57707c478bd9Sstevel@tonic-gate 57717c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 57727c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 57737c478bd9Sstevel@tonic-gate 57747c478bd9Sstevel@tonic-gate void 57757c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 5776d216dff5SRobert Mastors struct svc_req *req, cred_t *cr, int *rv) 57777c478bd9Sstevel@tonic-gate { 57787c478bd9Sstevel@tonic-gate uint_t i; 57797c478bd9Sstevel@tonic-gate struct compound_state cs; 57807c478bd9Sstevel@tonic-gate 57812e9d26a4Srmesta if (rv != NULL) 57822e9d26a4Srmesta *rv = 0; 57837c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 57847c478bd9Sstevel@tonic-gate /* 57857c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 57867c478bd9Sstevel@tonic-gate */ 57877c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 57881b300de9Sjwahlig kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 57897c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 57907c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 57911b300de9Sjwahlig resp->tag.utf8string_len); 57927c478bd9Sstevel@tonic-gate 57937c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 5794f3b585ceSsamf cs.req = req; 57957c478bd9Sstevel@tonic-gate 57967c478bd9Sstevel@tonic-gate /* 57977c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 57987c478bd9Sstevel@tonic-gate */ 57997c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 5800f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5801f3b585ceSsamf &cs, COMPOUND4args *, args); 58027c478bd9Sstevel@tonic-gate resp->array_len = 0; 58037c478bd9Sstevel@tonic-gate resp->array = NULL; 58047c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 5805f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5806f3b585ceSsamf &cs, COMPOUND4res *, resp); 58077c478bd9Sstevel@tonic-gate return; 58087c478bd9Sstevel@tonic-gate } 58097c478bd9Sstevel@tonic-gate 58107c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 58117c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 58127c478bd9Sstevel@tonic-gate 58137c478bd9Sstevel@tonic-gate cr = crget(); 58147c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 58157c478bd9Sstevel@tonic-gate 58167c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 5817f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5818f3b585ceSsamf &cs, COMPOUND4args *, args); 58197c478bd9Sstevel@tonic-gate crfree(cr); 5820f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5821f3b585ceSsamf &cs, COMPOUND4res *, resp); 58222e9d26a4Srmesta svcerr_badcred(req->rq_xprt); 58232e9d26a4Srmesta if (rv != NULL) 58242e9d26a4Srmesta *rv = 1; 58257c478bd9Sstevel@tonic-gate return; 58267c478bd9Sstevel@tonic-gate } 58272e9d26a4Srmesta resp->array_len = args->array_len; 58282e9d26a4Srmesta resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 58292e9d26a4Srmesta KM_SLEEP); 58307c478bd9Sstevel@tonic-gate 58317c478bd9Sstevel@tonic-gate cs.basecr = cr; 58327c478bd9Sstevel@tonic-gate 5833f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, &cs, 5834f3b585ceSsamf COMPOUND4args *, args); 58357c478bd9Sstevel@tonic-gate 58367c478bd9Sstevel@tonic-gate /* 58377c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 58387c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 58397c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 58407c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 58417c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 58427c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 58437c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 58447c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 58457c478bd9Sstevel@tonic-gate */ 58467c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 58477c478bd9Sstevel@tonic-gate 58487c478bd9Sstevel@tonic-gate /* 58497c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 58507c478bd9Sstevel@tonic-gate * new instances' grace periods. 58517c478bd9Sstevel@tonic-gate */ 58527c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 58537c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 58547c478bd9Sstevel@tonic-gate /* 58557c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 58567c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 58577c478bd9Sstevel@tonic-gate * is finished. 58587c478bd9Sstevel@tonic-gate */ 58597c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 58607c478bd9Sstevel@tonic-gate } 58617c478bd9Sstevel@tonic-gate 58627c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 58637c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 58647c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 58657c478bd9Sstevel@tonic-gate uint_t op; 58667c478bd9Sstevel@tonic-gate 58677c478bd9Sstevel@tonic-gate argop = &args->array[i]; 58687c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 58697c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 58707c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 58717c478bd9Sstevel@tonic-gate 58727c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 58737c478bd9Sstevel@tonic-gate /* 58747c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 58757c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 58767c478bd9Sstevel@tonic-gate */ 58777c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 58787c478bd9Sstevel@tonic-gate 58797c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 58801b300de9Sjwahlig (CE_NOTE, "Executing %s", rfs4_op_string[op])); 58817c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 58821b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 58831b300de9Sjwahlig rfs4_op_string[op], *cs.statusp)); 58847c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 58857c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58867c478bd9Sstevel@tonic-gate } else { 58877c478bd9Sstevel@tonic-gate /* 58887c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 58897c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 58907c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 58917c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 58927c478bd9Sstevel@tonic-gate */ 58937c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 58947c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 58957c478bd9Sstevel@tonic-gate 58967c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 58977c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58987c478bd9Sstevel@tonic-gate } 58997c478bd9Sstevel@tonic-gate 59007c478bd9Sstevel@tonic-gate /* 59017c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 59027c478bd9Sstevel@tonic-gate * compact the results array. 59037c478bd9Sstevel@tonic-gate */ 59047c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 59057c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 59061b300de9Sjwahlig (i+1) * sizeof (nfs_resop4), KM_SLEEP); 59077c478bd9Sstevel@tonic-gate bcopy(resp->array, 59081b300de9Sjwahlig new_res, (i+1) * sizeof (nfs_resop4)); 59097c478bd9Sstevel@tonic-gate kmem_free(resp->array, 59101b300de9Sjwahlig args->array_len * sizeof (nfs_resop4)); 59117c478bd9Sstevel@tonic-gate 59127c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 59137c478bd9Sstevel@tonic-gate resp->array = new_res; 59147c478bd9Sstevel@tonic-gate } 59157c478bd9Sstevel@tonic-gate } 59167c478bd9Sstevel@tonic-gate 59177c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 59187c478bd9Sstevel@tonic-gate 5919f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, &cs, 5920f3b585ceSsamf COMPOUND4res *, resp); 5921f3b585ceSsamf 59227c478bd9Sstevel@tonic-gate if (cs.vp) 59237c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 59247c478bd9Sstevel@tonic-gate if (cs.saved_vp) 59257c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 59267c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 59277c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 59287c478bd9Sstevel@tonic-gate 59297c478bd9Sstevel@tonic-gate if (cs.basecr) 59307c478bd9Sstevel@tonic-gate crfree(cs.basecr); 59317c478bd9Sstevel@tonic-gate if (cs.cr) 59327c478bd9Sstevel@tonic-gate crfree(cs.cr); 593345916cd2Sjpk /* 593445916cd2Sjpk * done with this compound request, free the label 593545916cd2Sjpk */ 593645916cd2Sjpk 593745916cd2Sjpk if (req->rq_label != NULL) { 593845916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 593945916cd2Sjpk req->rq_label = NULL; 594045916cd2Sjpk } 59417c478bd9Sstevel@tonic-gate } 59427c478bd9Sstevel@tonic-gate 59437c478bd9Sstevel@tonic-gate /* 59447c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 59457c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 59467c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 59477c478bd9Sstevel@tonic-gate */ 59487c478bd9Sstevel@tonic-gate void 59497c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 59507c478bd9Sstevel@tonic-gate { 59517c478bd9Sstevel@tonic-gate uint_t i; 59527c478bd9Sstevel@tonic-gate 59537c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 59547c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 59557c478bd9Sstevel@tonic-gate } 59567c478bd9Sstevel@tonic-gate 59577c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 59587c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 59597c478bd9Sstevel@tonic-gate uint_t op; 59607c478bd9Sstevel@tonic-gate 59617c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 59627c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 59637c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 59647c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 59657c478bd9Sstevel@tonic-gate } 59667c478bd9Sstevel@tonic-gate } 59677c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 59687c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 59697c478bd9Sstevel@tonic-gate } 59707c478bd9Sstevel@tonic-gate } 59717c478bd9Sstevel@tonic-gate 59727c478bd9Sstevel@tonic-gate /* 59737c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 59747c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 59757c478bd9Sstevel@tonic-gate */ 59767c478bd9Sstevel@tonic-gate void 59777c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 59787c478bd9Sstevel@tonic-gate { 59797c478bd9Sstevel@tonic-gate int i; 59807c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 59817c478bd9Sstevel@tonic-gate 59827c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 59837c478bd9Sstevel@tonic-gate uint_t op; 59847c478bd9Sstevel@tonic-gate 59857c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 59867c478bd9Sstevel@tonic-gate 59877c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 59887c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 59897c478bd9Sstevel@tonic-gate else 59907c478bd9Sstevel@tonic-gate flag = 0; 59917c478bd9Sstevel@tonic-gate } 59927c478bd9Sstevel@tonic-gate *flagp = flag; 59937c478bd9Sstevel@tonic-gate } 59947c478bd9Sstevel@tonic-gate 59957c478bd9Sstevel@tonic-gate nfsstat4 59967c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 59977c478bd9Sstevel@tonic-gate { 59987c478bd9Sstevel@tonic-gate nfsstat4 e; 59997c478bd9Sstevel@tonic-gate 6000d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 60017c478bd9Sstevel@tonic-gate 6002d216dff5SRobert Mastors if (cp->rc_sysidt != LM_NOSYSID) { 6003d216dff5SRobert Mastors *sp = cp->rc_sysidt; 60047c478bd9Sstevel@tonic-gate e = NFS4_OK; 60057c478bd9Sstevel@tonic-gate 6006d216dff5SRobert Mastors } else if ((cp->rc_sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 6007d216dff5SRobert Mastors *sp = cp->rc_sysidt; 60087c478bd9Sstevel@tonic-gate e = NFS4_OK; 60097c478bd9Sstevel@tonic-gate 60107c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 60111b300de9Sjwahlig "rfs4_client_sysid: allocated 0x%x\n", *sp)); 60127c478bd9Sstevel@tonic-gate } else 60137c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 60147c478bd9Sstevel@tonic-gate 6015d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 60167c478bd9Sstevel@tonic-gate return (e); 60177c478bd9Sstevel@tonic-gate } 60187c478bd9Sstevel@tonic-gate 60197c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 60207c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 60217c478bd9Sstevel@tonic-gate { 60227c478bd9Sstevel@tonic-gate char *op, *type; 60237c478bd9Sstevel@tonic-gate 60247c478bd9Sstevel@tonic-gate switch (operation) { 60257c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 60267c478bd9Sstevel@tonic-gate break; 60277c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 60287c478bd9Sstevel@tonic-gate break; 6029da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 6030da6c28aaSamw break; 60317c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 60327c478bd9Sstevel@tonic-gate break; 60337c478bd9Sstevel@tonic-gate } 60347c478bd9Sstevel@tonic-gate switch (flk->l_type) { 60357c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 60367c478bd9Sstevel@tonic-gate break; 60377c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 60387c478bd9Sstevel@tonic-gate break; 60397c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 60407c478bd9Sstevel@tonic-gate break; 60417c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 60427c478bd9Sstevel@tonic-gate break; 60437c478bd9Sstevel@tonic-gate } 60447c478bd9Sstevel@tonic-gate 60457c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 60467c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 60471b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 60481b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 60497c478bd9Sstevel@tonic-gate } 60507c478bd9Sstevel@tonic-gate 60517c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 60527c478bd9Sstevel@tonic-gate #else 60537c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 60547c478bd9Sstevel@tonic-gate #endif 60557c478bd9Sstevel@tonic-gate 60567c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 60577c478bd9Sstevel@tonic-gate static bool_t 60587c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 60597c478bd9Sstevel@tonic-gate { 60607c478bd9Sstevel@tonic-gate return (TRUE); 60617c478bd9Sstevel@tonic-gate } 60627c478bd9Sstevel@tonic-gate 60637c478bd9Sstevel@tonic-gate /* 60647c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 60657c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 60667c478bd9Sstevel@tonic-gate */ 60677c478bd9Sstevel@tonic-gate 60687c478bd9Sstevel@tonic-gate static nfsstat4 60697c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 6070d216dff5SRobert Mastors struct compound_state *cs) 60717c478bd9Sstevel@tonic-gate { 60727c478bd9Sstevel@tonic-gate char *nm; 60737c478bd9Sstevel@tonic-gate uint32_t len; 60747c478bd9Sstevel@tonic-gate nfsstat4 status; 60757c478bd9Sstevel@tonic-gate 60767c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 60777c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 60787c478bd9Sstevel@tonic-gate } 60797c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 60807c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 60817c478bd9Sstevel@tonic-gate } 60827c478bd9Sstevel@tonic-gate 60837c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 60847c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60857c478bd9Sstevel@tonic-gate 60867c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 60877c478bd9Sstevel@tonic-gate if (nm == NULL) { 60887c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60897c478bd9Sstevel@tonic-gate } 60907c478bd9Sstevel@tonic-gate 60917c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 60927c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60937c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 60947c478bd9Sstevel@tonic-gate } 60957c478bd9Sstevel@tonic-gate 60967c478bd9Sstevel@tonic-gate status = do_rfs4_op_lookup(nm, len, req, cs); 60977c478bd9Sstevel@tonic-gate 60987c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60997c478bd9Sstevel@tonic-gate 61007c478bd9Sstevel@tonic-gate return (status); 61017c478bd9Sstevel@tonic-gate } 61027c478bd9Sstevel@tonic-gate 61037c478bd9Sstevel@tonic-gate static nfsstat4 61047c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 6105d216dff5SRobert Mastors struct compound_state *cs, uint32_t access, change_info4 *cinfo) 61067c478bd9Sstevel@tonic-gate { 61077c478bd9Sstevel@tonic-gate nfsstat4 status; 61087c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 61097c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 61107c478bd9Sstevel@tonic-gate int error; 61117c478bd9Sstevel@tonic-gate 61127c478bd9Sstevel@tonic-gate /* Get "before" change value */ 61137c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 6114da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 61157c478bd9Sstevel@tonic-gate if (error) 61167c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61177c478bd9Sstevel@tonic-gate 61187c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 61197c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 61207c478bd9Sstevel@tonic-gate 61217c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 61227c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 61237c478bd9Sstevel@tonic-gate VN_RELE(dvp); 61247c478bd9Sstevel@tonic-gate return (status); 61257c478bd9Sstevel@tonic-gate } 61267c478bd9Sstevel@tonic-gate 61277c478bd9Sstevel@tonic-gate /* 61287c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 61297c478bd9Sstevel@tonic-gate * before value. 61307c478bd9Sstevel@tonic-gate */ 61317c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6132da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 61337c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 61347c478bd9Sstevel@tonic-gate ava.va_seq = 0; 61357c478bd9Sstevel@tonic-gate } 61367c478bd9Sstevel@tonic-gate VN_RELE(dvp); 61377c478bd9Sstevel@tonic-gate 61387c478bd9Sstevel@tonic-gate /* 61397c478bd9Sstevel@tonic-gate * Validate the file is a file 61407c478bd9Sstevel@tonic-gate */ 61417c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 6142da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 61437c478bd9Sstevel@tonic-gate if (error) 61447c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61457c478bd9Sstevel@tonic-gate 61467c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 61477c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 61487c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 61497c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 61507c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 61517c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 61527c478bd9Sstevel@tonic-gate } 61537c478bd9Sstevel@tonic-gate 61547c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 61557c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 61567c478bd9Sstevel@tonic-gate 61577c478bd9Sstevel@tonic-gate /* 61587c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 61597c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 61607c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 61617c478bd9Sstevel@tonic-gate */ 61627c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 61637c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 61647c478bd9Sstevel@tonic-gate else 61657c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 61667c478bd9Sstevel@tonic-gate 61677c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 61687c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 61697c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 61707c478bd9Sstevel@tonic-gate } 61717c478bd9Sstevel@tonic-gate 61727c478bd9Sstevel@tonic-gate static nfsstat4 61737c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 6174d216dff5SRobert Mastors timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 61757c478bd9Sstevel@tonic-gate { 61767c478bd9Sstevel@tonic-gate int error; 61777c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 61787c478bd9Sstevel@tonic-gate vattr_t va; 61797c478bd9Sstevel@tonic-gate 61807c478bd9Sstevel@tonic-gate tryagain: 61817c478bd9Sstevel@tonic-gate 61827c478bd9Sstevel@tonic-gate /* 61837c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 61847c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 61857c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 61867c478bd9Sstevel@tonic-gate * passed as part of the arguments. 61877c478bd9Sstevel@tonic-gate */ 61887c478bd9Sstevel@tonic-gate 61897c478bd9Sstevel@tonic-gate *created = TRUE; 6190da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 61917c478bd9Sstevel@tonic-gate 61927c478bd9Sstevel@tonic-gate if (error) { 61937c478bd9Sstevel@tonic-gate *created = FALSE; 61947c478bd9Sstevel@tonic-gate 61957c478bd9Sstevel@tonic-gate /* 61967c478bd9Sstevel@tonic-gate * If we got something other than file already exists 61977c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 61987c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 61997c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 62007c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 62017c478bd9Sstevel@tonic-gate * exclusive create request. 62027c478bd9Sstevel@tonic-gate * 62037c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 62047c478bd9Sstevel@tonic-gate * request will never return EEXIST. 62057c478bd9Sstevel@tonic-gate */ 62067c478bd9Sstevel@tonic-gate 62077c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 62087c478bd9Sstevel@tonic-gate status = puterrno4(error); 62097c478bd9Sstevel@tonic-gate return (status); 62107c478bd9Sstevel@tonic-gate } 6211da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 6212da6c28aaSamw NULL, NULL, NULL); 62137c478bd9Sstevel@tonic-gate 62147c478bd9Sstevel@tonic-gate if (error) { 62157c478bd9Sstevel@tonic-gate /* 62167c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 62177c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 62187c478bd9Sstevel@tonic-gate * it again. 62197c478bd9Sstevel@tonic-gate */ 62207c478bd9Sstevel@tonic-gate if (error == ENOENT) 62217c478bd9Sstevel@tonic-gate goto tryagain; 62227c478bd9Sstevel@tonic-gate 62237c478bd9Sstevel@tonic-gate status = puterrno4(error); 62247c478bd9Sstevel@tonic-gate return (status); 62257c478bd9Sstevel@tonic-gate } 62267c478bd9Sstevel@tonic-gate 62277c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 62287c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 62297c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 62307c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 62317c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 62327c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 62337c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 62347c478bd9Sstevel@tonic-gate else 62357c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 62367c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62377c478bd9Sstevel@tonic-gate return (status); 62387c478bd9Sstevel@tonic-gate } 62397c478bd9Sstevel@tonic-gate 62407c478bd9Sstevel@tonic-gate return (NFS4_OK); 62417c478bd9Sstevel@tonic-gate } 62427c478bd9Sstevel@tonic-gate 62437c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 62447c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 62457c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 6246da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 62477c478bd9Sstevel@tonic-gate if (!error) { 62487c478bd9Sstevel@tonic-gate /* We found the file */ 62497c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 62507c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 62517c478bd9Sstevel@tonic-gate /* but its not our creation */ 62527c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62537c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62547c478bd9Sstevel@tonic-gate } 62557c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 62567c478bd9Sstevel@tonic-gate return (NFS4_OK); 62577c478bd9Sstevel@tonic-gate } 62587c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62597c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62607c478bd9Sstevel@tonic-gate } 62617c478bd9Sstevel@tonic-gate 62627c478bd9Sstevel@tonic-gate return (NFS4_OK); 62637c478bd9Sstevel@tonic-gate } 62647c478bd9Sstevel@tonic-gate 62657c478bd9Sstevel@tonic-gate static nfsstat4 6266d216dff5SRobert Mastors check_open_access(uint32_t access, struct compound_state *cs, 6267d216dff5SRobert Mastors struct svc_req *req) 62687c478bd9Sstevel@tonic-gate { 62697c478bd9Sstevel@tonic-gate int error; 62707c478bd9Sstevel@tonic-gate vnode_t *vp; 62717c478bd9Sstevel@tonic-gate bool_t readonly; 62727c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 62737c478bd9Sstevel@tonic-gate 62747c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 62757c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 62767c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62777c478bd9Sstevel@tonic-gate } 62787c478bd9Sstevel@tonic-gate 62797c478bd9Sstevel@tonic-gate vp = cs->vp; 62807c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 62817c478bd9Sstevel@tonic-gate 62827c478bd9Sstevel@tonic-gate /* 62837c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 62847c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 62857c478bd9Sstevel@tonic-gate */ 62867c478bd9Sstevel@tonic-gate 62877c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 62887c478bd9Sstevel@tonic-gate 62897c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 62907c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 62917c478bd9Sstevel@tonic-gate 62927c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 6293da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 6294da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 62957c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62967c478bd9Sstevel@tonic-gate } 62977c478bd9Sstevel@tonic-gate } 62987c478bd9Sstevel@tonic-gate 62997c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 6300da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 63017c478bd9Sstevel@tonic-gate if (error) 63027c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 63037c478bd9Sstevel@tonic-gate } 63047c478bd9Sstevel@tonic-gate 63057c478bd9Sstevel@tonic-gate return (NFS4_OK); 63067c478bd9Sstevel@tonic-gate } 63077c478bd9Sstevel@tonic-gate 63087c478bd9Sstevel@tonic-gate static nfsstat4 63097c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 6310d216dff5SRobert Mastors change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 63117c478bd9Sstevel@tonic-gate { 63127c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 63137c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 63147c478bd9Sstevel@tonic-gate 63157c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 63167c478bd9Sstevel@tonic-gate struct statvfs64 sb; 63177c478bd9Sstevel@tonic-gate nfsstat4 status; 63187c478bd9Sstevel@tonic-gate vnode_t *vp; 63197c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 63207c478bd9Sstevel@tonic-gate vnode_t *dvp; 63217c478bd9Sstevel@tonic-gate timespec32_t *mtime; 63227c478bd9Sstevel@tonic-gate char *nm = NULL; 63237c478bd9Sstevel@tonic-gate uint_t buflen; 63247c478bd9Sstevel@tonic-gate bool_t created; 63257c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 63267c478bd9Sstevel@tonic-gate len_t reqsize; 63277c478bd9Sstevel@tonic-gate int error; 63287c478bd9Sstevel@tonic-gate bool_t trunc; 63297c478bd9Sstevel@tonic-gate caller_context_t ct; 63307c478bd9Sstevel@tonic-gate component4 *component; 633145916cd2Sjpk bslabel_t *clabel; 6332b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 6333b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 63347c478bd9Sstevel@tonic-gate 63357c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 63362f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 63377c478bd9Sstevel@tonic-gate 63387c478bd9Sstevel@tonic-gate dvp = cs->vp; 63397c478bd9Sstevel@tonic-gate 63407c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 63417c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 63427c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 63437c478bd9Sstevel@tonic-gate 634445916cd2Sjpk /* check the label of including directory */ 634545916cd2Sjpk if (is_system_labeled()) { 634645916cd2Sjpk ASSERT(req->rq_label != NULL); 634745916cd2Sjpk clabel = req->rq_label; 634845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 634945916cd2Sjpk "got client label from request(1)", 635045916cd2Sjpk struct svc_req *, req); 635145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 6352bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK, 6353bd6f1640SJarrett Lu cs->exi)) { 635445916cd2Sjpk return (NFS4ERR_ACCESS); 635545916cd2Sjpk } 635645916cd2Sjpk } 635745916cd2Sjpk } 635845916cd2Sjpk 63597c478bd9Sstevel@tonic-gate /* 63607c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 63617c478bd9Sstevel@tonic-gate * the including directory on success. 63627c478bd9Sstevel@tonic-gate */ 63637c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 63647c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 63657c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63667c478bd9Sstevel@tonic-gate 63677c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate if (nm == NULL) 63707c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 63717c478bd9Sstevel@tonic-gate 63727c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 63737c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63747c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 63757c478bd9Sstevel@tonic-gate } 63767c478bd9Sstevel@tonic-gate 63777c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 6378da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 63797c478bd9Sstevel@tonic-gate if (error) { 63807c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63817c478bd9Sstevel@tonic-gate return (puterrno4(error)); 63827c478bd9Sstevel@tonic-gate } 63837c478bd9Sstevel@tonic-gate 63847c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 63857c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63867c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 63877c478bd9Sstevel@tonic-gate } 63887c478bd9Sstevel@tonic-gate 63897c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 63907c478bd9Sstevel@tonic-gate 63917c478bd9Sstevel@tonic-gate switch (args->mode) { 63927c478bd9Sstevel@tonic-gate case GUARDED4: 63937c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 63947c478bd9Sstevel@tonic-gate case UNCHECKED4: 63957c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 63967c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 63977c478bd9Sstevel@tonic-gate 63987c478bd9Sstevel@tonic-gate *attrset = 0; 63997c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 64001b300de9Sjwahlig &args->createhow4_u.createattrs, 64011b300de9Sjwahlig cs, &sarg, &ntov, NFS4ATTR_SETIT); 64027c478bd9Sstevel@tonic-gate 64037c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 64047c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 64057c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 64067c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 64077c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 64087c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 64097c478bd9Sstevel@tonic-gate else 64107c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 64117c478bd9Sstevel@tonic-gate } 64127c478bd9Sstevel@tonic-gate 64137c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64147c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64157c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64167c478bd9Sstevel@tonic-gate *attrset = 0; 64177c478bd9Sstevel@tonic-gate return (status); 64187c478bd9Sstevel@tonic-gate } 64197c478bd9Sstevel@tonic-gate 64207c478bd9Sstevel@tonic-gate vap = sarg.vap; 64217c478bd9Sstevel@tonic-gate vap->va_type = VREG; 64227c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 64237c478bd9Sstevel@tonic-gate 64247c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 64257c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 64267c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 64277c478bd9Sstevel@tonic-gate } 64287c478bd9Sstevel@tonic-gate 64297c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 64307c478bd9Sstevel@tonic-gate 64317c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 64327c478bd9Sstevel@tonic-gate 64337c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 64347c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64357c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64367c478bd9Sstevel@tonic-gate *attrset = 0; 64377c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64387c478bd9Sstevel@tonic-gate } 64397c478bd9Sstevel@tonic-gate setsize = TRUE; 64407c478bd9Sstevel@tonic-gate } 64417c478bd9Sstevel@tonic-gate break; 64427c478bd9Sstevel@tonic-gate 64437c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 64447c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 64457c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 64467c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64477c478bd9Sstevel@tonic-gate *attrset = 0; 64487c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64497c478bd9Sstevel@tonic-gate } 64507c478bd9Sstevel@tonic-gate 64517c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 64527c478bd9Sstevel@tonic-gate cva.va_type = VREG; 64537c478bd9Sstevel@tonic-gate /* 64547c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 64557c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 64567c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 64577c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 64587c478bd9Sstevel@tonic-gate */ 64597c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 64607c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 64617c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 64627c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 64637c478bd9Sstevel@tonic-gate vap = &cva; 6464476ea8c9SJeff A. Smith 6465476ea8c9SJeff A. Smith /* 6466476ea8c9SJeff A. Smith * For EXCL create, attrset is set to the server attr 6467476ea8c9SJeff A. Smith * used to cache the client's verifier. 6468476ea8c9SJeff A. Smith */ 6469476ea8c9SJeff A. Smith *attrset = FATTR4_TIME_MODIFY_MASK; 64707c478bd9Sstevel@tonic-gate break; 64717c478bd9Sstevel@tonic-gate } 64727c478bd9Sstevel@tonic-gate 6473b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 6474b89a8333Snatalie li - Sun Microsystems - Irvine United States 6475b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6476b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6477b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 6478b89a8333Snatalie li - Sun Microsystems - Irvine United States 6479b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 6480b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, buflen); 6481b89a8333Snatalie li - Sun Microsystems - Irvine United States return (NFS4ERR_SERVERFAULT); 6482b89a8333Snatalie li - Sun Microsystems - Irvine United States } 6483b89a8333Snatalie li - Sun Microsystems - Irvine United States 6484b89a8333Snatalie li - Sun Microsystems - Irvine United States status = create_vnode(dvp, name, vap, args->mode, mtime, 64851b300de9Sjwahlig cs->cr, &vp, &created); 6486b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 6487b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 64887c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64897c478bd9Sstevel@tonic-gate 64907c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64917c478bd9Sstevel@tonic-gate if (ntov_table_init) 64927c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64937c478bd9Sstevel@tonic-gate *attrset = 0; 64947c478bd9Sstevel@tonic-gate return (status); 64957c478bd9Sstevel@tonic-gate } 64967c478bd9Sstevel@tonic-gate 64977c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 64987c478bd9Sstevel@tonic-gate 64997c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 65007c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 65017c478bd9Sstevel@tonic-gate 65027c478bd9Sstevel@tonic-gate /* 65037c478bd9Sstevel@tonic-gate * True verification that object was created with correct 65047c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 65057c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 65067c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 65077c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 65087c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 65097c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 65107c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 65117c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 65127c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 65137c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 65147c478bd9Sstevel@tonic-gate * 65157c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 65167c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 65177c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 65187c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 65197c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 65207c478bd9Sstevel@tonic-gate */ 65217c478bd9Sstevel@tonic-gate if (created) { 65227c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 65237c478bd9Sstevel@tonic-gate *attrset &= createmask; 65247c478bd9Sstevel@tonic-gate } else { 65257c478bd9Sstevel@tonic-gate /* 65267c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 65277c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 65287c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 65297c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 65307c478bd9Sstevel@tonic-gate */ 65317c478bd9Sstevel@tonic-gate *attrset = 0; 65327c478bd9Sstevel@tonic-gate if (trunc) 65337c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 65347c478bd9Sstevel@tonic-gate } 65357c478bd9Sstevel@tonic-gate } 65367c478bd9Sstevel@tonic-gate if (ntov_table_init) 65377c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 65387c478bd9Sstevel@tonic-gate 65397c478bd9Sstevel@tonic-gate /* 65407c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 65417c478bd9Sstevel@tonic-gate * set to zero, time to before. 65427c478bd9Sstevel@tonic-gate */ 65437c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 6544da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 65457c478bd9Sstevel@tonic-gate iva.va_seq = 0; 65467c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 65477c478bd9Sstevel@tonic-gate } 65487c478bd9Sstevel@tonic-gate 65497c478bd9Sstevel@tonic-gate /* 65507c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 65517c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 65527c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 65537c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 65547c478bd9Sstevel@tonic-gate * we don't know what changed it. 65557c478bd9Sstevel@tonic-gate */ 65567c478bd9Sstevel@tonic-gate if (!created) { 65577c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 65581b300de9Sjwahlig bva.va_seq == iva.va_seq) 65597c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65607c478bd9Sstevel@tonic-gate else 65617c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65627c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 65637c478bd9Sstevel@tonic-gate } else { 65647c478bd9Sstevel@tonic-gate /* 65657c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 65667c478bd9Sstevel@tonic-gate * directory metadata. 65677c478bd9Sstevel@tonic-gate */ 6568da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 65697c478bd9Sstevel@tonic-gate 65707c478bd9Sstevel@tonic-gate /* 65717c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 65727c478bd9Sstevel@tonic-gate * before value. 65737c478bd9Sstevel@tonic-gate */ 65747c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6575da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 65767c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 65777c478bd9Sstevel@tonic-gate ava.va_seq = 0; 65787c478bd9Sstevel@tonic-gate } 65797c478bd9Sstevel@tonic-gate 65807c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 65817c478bd9Sstevel@tonic-gate 65827c478bd9Sstevel@tonic-gate /* 65837c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 65847c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 65857c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 65867c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 65877c478bd9Sstevel@tonic-gate */ 65887c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 65891b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 65907c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65917c478bd9Sstevel@tonic-gate else 65927c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65937c478bd9Sstevel@tonic-gate } 65947c478bd9Sstevel@tonic-gate 65957c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 65967c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 65977c478bd9Sstevel@tonic-gate if (setsize) 65987c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 65997c478bd9Sstevel@tonic-gate 66007c478bd9Sstevel@tonic-gate /* Assume the worst */ 66017c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 66027c478bd9Sstevel@tonic-gate 6603da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 66047c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 66057c478bd9Sstevel@tonic-gate 66067c478bd9Sstevel@tonic-gate /* 66077c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 66087c478bd9Sstevel@tonic-gate * the case for create over an existing file. 66097c478bd9Sstevel@tonic-gate */ 66107c478bd9Sstevel@tonic-gate 66117c478bd9Sstevel@tonic-gate if (trunc) { 66127c478bd9Sstevel@tonic-gate int in_crit = 0; 66137c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 66147c478bd9Sstevel@tonic-gate bool_t create = FALSE; 66157c478bd9Sstevel@tonic-gate 66167c478bd9Sstevel@tonic-gate /* 66177c478bd9Sstevel@tonic-gate * We are writing over an existing file. 66187c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 66197c478bd9Sstevel@tonic-gate */ 66207c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 66217c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 66227c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 66231b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 66247c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 66257c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 66267c478bd9Sstevel@tonic-gate VN_RELE(vp); 66277c478bd9Sstevel@tonic-gate *attrset = 0; 66287c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 66297c478bd9Sstevel@tonic-gate } 66307c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 66317c478bd9Sstevel@tonic-gate } 66327c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 66337c478bd9Sstevel@tonic-gate 66347c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 66357c478bd9Sstevel@tonic-gate in_crit = 1; 66367c478bd9Sstevel@tonic-gate 66377c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 66387c478bd9Sstevel@tonic-gate 66397c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 66407c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6641da6c28aaSamw cva.va_size, 0, NULL)) { 66427c478bd9Sstevel@tonic-gate in_crit = 0; 66437c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66447c478bd9Sstevel@tonic-gate VN_RELE(vp); 66457c478bd9Sstevel@tonic-gate *attrset = 0; 66467c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 66477c478bd9Sstevel@tonic-gate } 66487c478bd9Sstevel@tonic-gate } 66497c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 66507c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 66517c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 665262b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 66537c478bd9Sstevel@tonic-gate 66547c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 66557c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 66567c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 66577c478bd9Sstevel@tonic-gate if (in_crit) 66587c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66597c478bd9Sstevel@tonic-gate } 66607c478bd9Sstevel@tonic-gate } 66617c478bd9Sstevel@tonic-gate 66627c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 66637c478bd9Sstevel@tonic-gate 66647c478bd9Sstevel@tonic-gate /* 66657c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 66667c478bd9Sstevel@tonic-gate */ 6667da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 66687c478bd9Sstevel@tonic-gate 66697c478bd9Sstevel@tonic-gate if (error) { 66707c478bd9Sstevel@tonic-gate VN_RELE(vp); 66717c478bd9Sstevel@tonic-gate *attrset = 0; 66727c478bd9Sstevel@tonic-gate return (puterrno4(error)); 66737c478bd9Sstevel@tonic-gate } 66747c478bd9Sstevel@tonic-gate 66757c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 66767c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 66777c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 66787c478bd9Sstevel@tonic-gate 66797c478bd9Sstevel@tonic-gate if (cs->vp) 66807c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 66817c478bd9Sstevel@tonic-gate 66827c478bd9Sstevel@tonic-gate cs->vp = vp; 66837c478bd9Sstevel@tonic-gate 66847c478bd9Sstevel@tonic-gate /* 66857c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 66867c478bd9Sstevel@tonic-gate * the access bits on the file 66877c478bd9Sstevel@tonic-gate */ 66887c478bd9Sstevel@tonic-gate 66897c478bd9Sstevel@tonic-gate if (!created) { 66907c478bd9Sstevel@tonic-gate if (setsize) 66917c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 66927c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 66937c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 66947c478bd9Sstevel@tonic-gate *attrset = 0; 66957c478bd9Sstevel@tonic-gate } 66967c478bd9Sstevel@tonic-gate return (status); 66977c478bd9Sstevel@tonic-gate } 66987c478bd9Sstevel@tonic-gate 66997c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 67007c478bd9Sstevel@tonic-gate static void 67017c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 6702d216dff5SRobert Mastors rfs4_openowner_t *oo, delegreq_t deleg, 6703d216dff5SRobert Mastors uint32_t access, uint32_t deny, 6704d216dff5SRobert Mastors OPEN4res *resp, int deleg_cur) 67057c478bd9Sstevel@tonic-gate { 67067c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 6707d216dff5SRobert Mastors rfs4_state_t *sp; 6708d216dff5SRobert Mastors rfs4_file_t *fp; 67097c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 67107c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 671150956b22SJames Wahlig uint32_t open_a, share_a; 671250956b22SJames Wahlig uint32_t open_d, share_d; 67137c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 67147c478bd9Sstevel@tonic-gate sysid_t sysid; 67157c478bd9Sstevel@tonic-gate nfsstat4 status; 6716da6c28aaSamw caller_context_t ct; 67177c478bd9Sstevel@tonic-gate int fflags = 0; 67187c478bd9Sstevel@tonic-gate int recall = 0; 67197c478bd9Sstevel@tonic-gate int err; 6720d216dff5SRobert Mastors int first_open; 67217c478bd9Sstevel@tonic-gate 67227c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 6723d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 6724d216dff5SRobert Mastors if (fp == NULL) { 6725f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 6726f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open1, nfsstat4, resp->status); 67277c478bd9Sstevel@tonic-gate return; 67287c478bd9Sstevel@tonic-gate } 67297c478bd9Sstevel@tonic-gate 6730d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &screate); 6731d216dff5SRobert Mastors if (sp == NULL) { 67327c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 6733f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open2, nfsstat4, resp->status); 67347c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 6735d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 6736d216dff5SRobert Mastors rfs4_file_rele(fp); 67377c478bd9Sstevel@tonic-gate return; 67387c478bd9Sstevel@tonic-gate } 67397c478bd9Sstevel@tonic-gate 6740fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 6741d216dff5SRobert Mastors if ((status = rfs4_client_sysid(oo->ro_client, &sysid)) != NFS4_OK) { 67427c478bd9Sstevel@tonic-gate resp->status = status; 6743d216dff5SRobert Mastors rfs4_file_rele(fp); 67447c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 67457c478bd9Sstevel@tonic-gate if (screate == TRUE) 6746d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6747d216dff5SRobert Mastors rfs4_state_rele(sp); 67487c478bd9Sstevel@tonic-gate return; 67497c478bd9Sstevel@tonic-gate } 67507c478bd9Sstevel@tonic-gate 6751da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6752da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6753da6c28aaSamw fflags |= FREAD; 6754da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6755da6c28aaSamw fflags |= FWRITE; 6756da6c28aaSamw 6757d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6758d216dff5SRobert Mastors 6759fd93bfc3Sjwahlig /* 6760fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6761fd93bfc3Sjwahlig * the file for this open owner; 6762fd93bfc3Sjwahlig */ 676350956b22SJames Wahlig open_d = (deny & ~sp->rs_open_deny); 676450956b22SJames Wahlig open_a = (access & ~sp->rs_open_access); 6765d216dff5SRobert Mastors 676650956b22SJames Wahlig /* 676750956b22SJames Wahlig * Calculate the new share access and share deny modes that this open 676850956b22SJames Wahlig * is adding to the file for this open owner; 676950956b22SJames Wahlig */ 677050956b22SJames Wahlig share_a = (access & ~sp->rs_share_access); 677150956b22SJames Wahlig share_d = (deny & ~sp->rs_share_deny); 677250956b22SJames Wahlig 677350956b22SJames Wahlig first_open = (sp->rs_open_access & OPEN4_SHARE_ACCESS_BOTH) == 0; 67747c478bd9Sstevel@tonic-gate 6775fd93bfc3Sjwahlig /* 6776fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6777fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6778fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6779fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6780fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6781fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6782fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6783fd93bfc3Sjwahlig * on shares modes. 6784fd93bfc3Sjwahlig */ 67857c478bd9Sstevel@tonic-gate 678650956b22SJames Wahlig if (share_a || share_d) { 6787d216dff5SRobert Mastors if ((err = rfs4_share(sp, access, deny)) != 0) { 6788d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6789d216dff5SRobert Mastors resp->status = err; 6790d216dff5SRobert Mastors 6791d216dff5SRobert Mastors rfs4_file_rele(fp); 6792fd93bfc3Sjwahlig /* Not a fully formed open; "close" it */ 6793fd93bfc3Sjwahlig if (screate == TRUE) 6794d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6795d216dff5SRobert Mastors rfs4_state_rele(sp); 6796fd93bfc3Sjwahlig return; 6797fd93bfc3Sjwahlig } 67987c478bd9Sstevel@tonic-gate } 67997c478bd9Sstevel@tonic-gate 6800d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 68017c478bd9Sstevel@tonic-gate 68027c478bd9Sstevel@tonic-gate /* 68037c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 68047c478bd9Sstevel@tonic-gate * recall needs to be done. 68057c478bd9Sstevel@tonic-gate */ 6806d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6807d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6808d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6809d216dff5SRobert Mastors rfs4_recall_deleg(fp, FALSE, sp->rs_owner->ro_client); 68107c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 6811d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 681214f41b92SRobert Mastors 681314f41b92SRobert Mastors /* if state closed while lock was dropped */ 681414f41b92SRobert Mastors if (sp->rs_closed) { 681550956b22SJames Wahlig if (share_a || share_d) 681614f41b92SRobert Mastors (void) rfs4_unshare(sp); 681714f41b92SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 681814f41b92SRobert Mastors rfs4_file_rele(fp); 681914f41b92SRobert Mastors /* Not a fully formed open; "close" it */ 682014f41b92SRobert Mastors if (screate == TRUE) 682114f41b92SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 682214f41b92SRobert Mastors rfs4_state_rele(sp); 682314f41b92SRobert Mastors resp->status = NFS4ERR_OLD_STATEID; 682414f41b92SRobert Mastors return; 682514f41b92SRobert Mastors } 682614f41b92SRobert Mastors 6827d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 68287c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 6829d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6830d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 683150956b22SJames Wahlig if (share_a || share_d) 6832d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6833d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6834d216dff5SRobert Mastors rfs4_file_rele(fp); 6835d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 6836d216dff5SRobert Mastors 68377c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 68387c478bd9Sstevel@tonic-gate if (screate == TRUE) 6839d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6840d216dff5SRobert Mastors rfs4_state_rele(sp); 68417c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 68427c478bd9Sstevel@tonic-gate return; 68437c478bd9Sstevel@tonic-gate } 68447c478bd9Sstevel@tonic-gate } 6845da6c28aaSamw /* 6846da6c28aaSamw * the share check passed and any delegation conflict has been 6847da6c28aaSamw * taken care of, now call vop_open. 6848da6c28aaSamw * if this is the first open then call vop_open with fflags. 6849da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6850da6c28aaSamw * 6851da6c28aaSamw * if the file has been opened already, it will have the current 6852da6c28aaSamw * access mode in the state struct. if it has no share access, then 6853da6c28aaSamw * this is a new open. 6854da6c28aaSamw * 6855da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6856da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6857da6c28aaSamw */ 6858d216dff5SRobert Mastors if (first_open && !deleg_cur) { 6859da6c28aaSamw ct.cc_sysid = sysid; 6860d216dff5SRobert Mastors ct.cc_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 6861da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 686262b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 6863da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6864da6c28aaSamw if (err) { 6865d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 686650956b22SJames Wahlig if (share_a || share_d) 6867d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6868d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6869d216dff5SRobert Mastors rfs4_file_rele(fp); 6870d216dff5SRobert Mastors 6871da6c28aaSamw /* Not a fully formed open; "close" it */ 6872da6c28aaSamw if (screate == TRUE) 6873d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6874d216dff5SRobert Mastors rfs4_state_rele(sp); 6875335fb9e6Sjwahlig /* check if a monitor detected a delegation conflict */ 6876335fb9e6Sjwahlig if (err == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 6877335fb9e6Sjwahlig resp->status = NFS4ERR_DELAY; 6878335fb9e6Sjwahlig else 6879335fb9e6Sjwahlig resp->status = NFS4ERR_SERVERFAULT; 6880da6c28aaSamw return; 6881da6c28aaSamw } 6882da6c28aaSamw } else { /* open upgrade */ 6883da6c28aaSamw /* 6884da6c28aaSamw * calculate the fflags for the new mode that is being added 6885da6c28aaSamw * by this upgrade. 6886da6c28aaSamw */ 6887da6c28aaSamw fflags = 0; 688850956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6889da6c28aaSamw fflags |= FREAD; 689050956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6891da6c28aaSamw fflags |= FWRITE; 6892da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6893da6c28aaSamw } 689450956b22SJames Wahlig sp->rs_open_access |= access; 689550956b22SJames Wahlig sp->rs_open_deny |= deny; 68967c478bd9Sstevel@tonic-gate 689750956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_READ) 6898d216dff5SRobert Mastors fp->rf_deny_read++; 689950956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_WRITE) 6900d216dff5SRobert Mastors fp->rf_deny_write++; 6901d216dff5SRobert Mastors fp->rf_share_deny |= deny; 69027c478bd9Sstevel@tonic-gate 690350956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6904d216dff5SRobert Mastors fp->rf_access_read++; 690550956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6906d216dff5SRobert Mastors fp->rf_access_write++; 6907d216dff5SRobert Mastors fp->rf_share_access |= access; 69087c478bd9Sstevel@tonic-gate 69097c478bd9Sstevel@tonic-gate /* 69107c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 69117c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 69127c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 69137c478bd9Sstevel@tonic-gate * set the recall flag. 69147c478bd9Sstevel@tonic-gate */ 69157c478bd9Sstevel@tonic-gate 6916d216dff5SRobert Mastors dsp = rfs4_grant_delegation(deleg, sp, &recall); 69177c478bd9Sstevel@tonic-gate 6918d216dff5SRobert Mastors cs->deleg = (fp->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE); 69197c478bd9Sstevel@tonic-gate 6920d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 69217c478bd9Sstevel@tonic-gate 6922d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 69237c478bd9Sstevel@tonic-gate 6924d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6925d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 69267c478bd9Sstevel@tonic-gate 69277c478bd9Sstevel@tonic-gate if (dsp) { 69287c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 69297c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69307c478bd9Sstevel@tonic-gate } 69317c478bd9Sstevel@tonic-gate 6932d216dff5SRobert Mastors rfs4_file_rele(fp); 6933d216dff5SRobert Mastors rfs4_state_rele(sp); 69347c478bd9Sstevel@tonic-gate 69357c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 69367c478bd9Sstevel@tonic-gate } 69377c478bd9Sstevel@tonic-gate 69387c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69397c478bd9Sstevel@tonic-gate static void 69407c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 6941d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69427c478bd9Sstevel@tonic-gate { 69437c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69447c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 69457c478bd9Sstevel@tonic-gate 69467c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 69477c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 69481b300de9Sjwahlig req, cs, args->share_access, cinfo); 69497c478bd9Sstevel@tonic-gate else { 69507c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 69517c478bd9Sstevel@tonic-gate 69527c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69537c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 69547c478bd9Sstevel@tonic-gate 69557c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 6956d216dff5SRobert Mastors oo->ro_client->rc_clientid); 69577c478bd9Sstevel@tonic-gate } 69587c478bd9Sstevel@tonic-gate 69597c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 69607c478bd9Sstevel@tonic-gate 69617c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 69627c478bd9Sstevel@tonic-gate 6963e228dd39SJames Wahlig rfs4_do_open(cs, req, oo, 6964e228dd39SJames Wahlig oo->ro_need_confirm ? DELEG_NONE : DELEG_ANY, 6965e228dd39SJames Wahlig args->share_access, args->share_deny, resp, 0); 69667c478bd9Sstevel@tonic-gate 69677c478bd9Sstevel@tonic-gate /* 69687c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 69697c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 69707c478bd9Sstevel@tonic-gate */ 69717c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 69727c478bd9Sstevel@tonic-gate resp->attrset = 0; 69737c478bd9Sstevel@tonic-gate } 69747c478bd9Sstevel@tonic-gate } 69757c478bd9Sstevel@tonic-gate else 69767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 69777c478bd9Sstevel@tonic-gate 69787c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69797c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 69807c478bd9Sstevel@tonic-gate } 69817c478bd9Sstevel@tonic-gate 69827c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69837c478bd9Sstevel@tonic-gate static void 69847c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 6985d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69867c478bd9Sstevel@tonic-gate { 69877c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69887c478bd9Sstevel@tonic-gate vattr_t va; 69897c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 69907c478bd9Sstevel@tonic-gate int error = 0; 69917c478bd9Sstevel@tonic-gate 69927c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 69937c478bd9Sstevel@tonic-gate if (v_type != VREG) { 69947c478bd9Sstevel@tonic-gate if (v_type == VDIR) 69957c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 69967c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 69977c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 69987c478bd9Sstevel@tonic-gate else 69997c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 70007c478bd9Sstevel@tonic-gate return; 70017c478bd9Sstevel@tonic-gate } 70027c478bd9Sstevel@tonic-gate 70037c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 7004da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 70057c478bd9Sstevel@tonic-gate if (error) { 70067c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 70077c478bd9Sstevel@tonic-gate return; 70087c478bd9Sstevel@tonic-gate } 70097c478bd9Sstevel@tonic-gate 70107c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 70117c478bd9Sstevel@tonic-gate 70127c478bd9Sstevel@tonic-gate /* 70137c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 70147c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 70157c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 70167c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 70177c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 70187c478bd9Sstevel@tonic-gate */ 70197c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 70207c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 70217c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 70227c478bd9Sstevel@tonic-gate return; 70237c478bd9Sstevel@tonic-gate } 70247c478bd9Sstevel@tonic-gate } 70257c478bd9Sstevel@tonic-gate 70267c478bd9Sstevel@tonic-gate /* 70277c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 70287c478bd9Sstevel@tonic-gate */ 70297c478bd9Sstevel@tonic-gate cinfo->before = 0; 70307c478bd9Sstevel@tonic-gate cinfo->after = 0; 70317c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 70327c478bd9Sstevel@tonic-gate 70337c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 70341b300de9Sjwahlig NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 7035da6c28aaSamw args->share_access, args->share_deny, resp, 0); 70367c478bd9Sstevel@tonic-gate } 70377c478bd9Sstevel@tonic-gate 70387c478bd9Sstevel@tonic-gate static void 70397c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 7040d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 70417c478bd9Sstevel@tonic-gate { 70427c478bd9Sstevel@tonic-gate int error; 70437c478bd9Sstevel@tonic-gate nfsstat4 status; 70447c478bd9Sstevel@tonic-gate stateid4 stateid = 70451b300de9Sjwahlig args->open_claim4_u.delegate_cur_info.delegate_stateid; 70467c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 70477c478bd9Sstevel@tonic-gate 70487c478bd9Sstevel@tonic-gate /* 70497c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 70507c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 70517c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 70527c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 70537c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 70547c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 70557c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 70567c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 70577c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 70587c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 70597c478bd9Sstevel@tonic-gate */ 70607c478bd9Sstevel@tonic-gate 70617c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 70627c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 70637c478bd9Sstevel@tonic-gate resp->status = status; 70647c478bd9Sstevel@tonic-gate return; 70657c478bd9Sstevel@tonic-gate } 70667c478bd9Sstevel@tonic-gate 7067d216dff5SRobert Mastors ASSERT(dsp->rds_finfo->rf_dinfo.rd_dtype != OPEN_DELEGATE_NONE); 70687c478bd9Sstevel@tonic-gate 70697c478bd9Sstevel@tonic-gate /* 70707c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 70717c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 70727c478bd9Sstevel@tonic-gate */ 70737c478bd9Sstevel@tonic-gate 70747c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 70757c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 7076d216dff5SRobert Mastors VN_HOLD(dsp->rds_finfo->rf_vp); 7077d216dff5SRobert Mastors cs->vp = dsp->rds_finfo->rf_vp; 70787c478bd9Sstevel@tonic-gate 70797c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 70807c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 70827c478bd9Sstevel@tonic-gate return; 70837c478bd9Sstevel@tonic-gate } 70847c478bd9Sstevel@tonic-gate 70857c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 7086d216dff5SRobert Mastors dsp->rds_finfo->rf_dinfo.rd_time_lastwrite = gethrestime_sec(); 70877c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70887c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 7089da6c28aaSamw args->share_access, args->share_deny, resp, 1); 70907c478bd9Sstevel@tonic-gate } 70917c478bd9Sstevel@tonic-gate 70927c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 70937c478bd9Sstevel@tonic-gate static void 70947c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 7095d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 70967c478bd9Sstevel@tonic-gate { 70977c478bd9Sstevel@tonic-gate /* 70987c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 70997c478bd9Sstevel@tonic-gate * was delegated. 71007c478bd9Sstevel@tonic-gate * 71017c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 71027c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 71037c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 71047c478bd9Sstevel@tonic-gate * 71057c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 71067c478bd9Sstevel@tonic-gate */ 7107d216dff5SRobert Mastors rfs4_file_t *fp; 7108d216dff5SRobert Mastors rfs4_state_t *sp; 71097c478bd9Sstevel@tonic-gate bool_t create = FALSE; 71107c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 71117c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 71127c478bd9Sstevel@tonic-gate nfsace4 *ace; 71137c478bd9Sstevel@tonic-gate 71147c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 71157c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 71161b300de9Sjwahlig req, cs, args->share_access, &resp->cinfo); 71177c478bd9Sstevel@tonic-gate 71187c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 71197c478bd9Sstevel@tonic-gate return; 71207c478bd9Sstevel@tonic-gate } 71217c478bd9Sstevel@tonic-gate 71227c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 7123d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, NULL, &create); 7124d216dff5SRobert Mastors if (fp == NULL) { 7125f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 7126f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev1, nfsstat4, resp->status); 71277c478bd9Sstevel@tonic-gate return; 71287c478bd9Sstevel@tonic-gate } 71297c478bd9Sstevel@tonic-gate 7130d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &create); 7131d216dff5SRobert Mastors if (sp == NULL) { 71327c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 7133f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev2, nfsstat4, resp->status); 7134d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 7135d216dff5SRobert Mastors rfs4_file_rele(fp); 71367c478bd9Sstevel@tonic-gate return; 71377c478bd9Sstevel@tonic-gate } 71387c478bd9Sstevel@tonic-gate 7139d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 7140d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 7141d216dff5SRobert Mastors if (args->share_access != sp->rs_share_access || 7142d216dff5SRobert Mastors args->share_deny != sp->rs_share_deny || 7143d216dff5SRobert Mastors sp->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_NONE) { 71447c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 71451b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 7146d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7147d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 7148d216dff5SRobert Mastors rfs4_file_rele(fp); 7149d216dff5SRobert Mastors rfs4_state_rele(sp); 71507c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71517c478bd9Sstevel@tonic-gate return; 71527c478bd9Sstevel@tonic-gate } 7153d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7154d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 71557c478bd9Sstevel@tonic-gate 7156d216dff5SRobert Mastors dsp = rfs4_finddeleg(sp, &dcreate); 71577c478bd9Sstevel@tonic-gate if (dsp == NULL) { 7158d216dff5SRobert Mastors rfs4_state_rele(sp); 7159d216dff5SRobert Mastors rfs4_file_rele(fp); 71607c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71617c478bd9Sstevel@tonic-gate return; 71627c478bd9Sstevel@tonic-gate } 71637c478bd9Sstevel@tonic-gate 7164d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 71657c478bd9Sstevel@tonic-gate 7166d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 71677c478bd9Sstevel@tonic-gate 7168d216dff5SRobert Mastors resp->delegation.delegation_type = dsp->rds_dtype; 71697c478bd9Sstevel@tonic-gate 7170d216dff5SRobert Mastors if (dsp->rds_dtype == OPEN_DELEGATE_READ) { 71717c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 71721b300de9Sjwahlig &resp->delegation.open_delegation4_u.read; 71737c478bd9Sstevel@tonic-gate 7174d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71757c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71767c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71777c478bd9Sstevel@tonic-gate } else { 71787c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 71791b300de9Sjwahlig &resp->delegation.open_delegation4_u.write; 71807c478bd9Sstevel@tonic-gate 7181d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71827c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71837c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71847c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 71857c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 71867c478bd9Sstevel@tonic-gate } 71877c478bd9Sstevel@tonic-gate 71887c478bd9Sstevel@tonic-gate /* XXX For now */ 71897c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 71907c478bd9Sstevel@tonic-gate ace->flag = 0; 71917c478bd9Sstevel@tonic-gate ace->access_mask = 0; 71927c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 71937c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 71947c478bd9Sstevel@tonic-gate 71957c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 7196d216dff5SRobert Mastors rfs4_state_rele(sp); 7197d216dff5SRobert Mastors rfs4_file_rele(fp); 71987c478bd9Sstevel@tonic-gate } 71997c478bd9Sstevel@tonic-gate 72007c478bd9Sstevel@tonic-gate typedef enum { 72017c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 72027c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 72037c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 72047c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 72057c478bd9Sstevel@tonic-gate 72067c478bd9Sstevel@tonic-gate /* 72077c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 72087c478bd9Sstevel@tonic-gate */ 72097c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 72107c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 7211d216dff5SRobert Mastors seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 72127c478bd9Sstevel@tonic-gate { 72137c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 72147c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 72157c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 72167c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 72177c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 72187c478bd9Sstevel@tonic-gate } 72197c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 72201b300de9Sjwahlig "Replayed SEQID %d\n", seqid)); 72217c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 72227c478bd9Sstevel@tonic-gate } 72237c478bd9Sstevel@tonic-gate 72247c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 72257c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 72267c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 72277c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 72281b300de9Sjwahlig (CE_NOTE, "BAD SEQID: Replayed sequence id " 72291b300de9Sjwahlig "but last op was %d current op is %d\n", 72301b300de9Sjwahlig lastop->resop, resop->resop)); 72317c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 72327c478bd9Sstevel@tonic-gate } 72337c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 72341b300de9Sjwahlig (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 72351b300de9Sjwahlig rqst_seq, seqid)); 72367c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 72377c478bd9Sstevel@tonic-gate } 72387c478bd9Sstevel@tonic-gate 72397c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 72407c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 72417c478bd9Sstevel@tonic-gate } 72427c478bd9Sstevel@tonic-gate 72437c478bd9Sstevel@tonic-gate 72447c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 72457c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72467c478bd9Sstevel@tonic-gate { 72477c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72487c478bd9Sstevel@tonic-gate 7249d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7250d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, seqid, resop, 7251d216dff5SRobert Mastors TRUE); 7252d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72537c478bd9Sstevel@tonic-gate 72547c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 7255d216dff5SRobert Mastors rfs4_update_lease(op->ro_client); 72567c478bd9Sstevel@tonic-gate 72577c478bd9Sstevel@tonic-gate return (rc); 72587c478bd9Sstevel@tonic-gate } 72597c478bd9Sstevel@tonic-gate 72607c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7261d216dff5SRobert Mastors rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72627c478bd9Sstevel@tonic-gate { 72637c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72647c478bd9Sstevel@tonic-gate 7265d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7266d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, 72671b300de9Sjwahlig olo_seqid, resop, FALSE); 7268d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72697c478bd9Sstevel@tonic-gate 72707c478bd9Sstevel@tonic-gate return (rc); 72717c478bd9Sstevel@tonic-gate } 72727c478bd9Sstevel@tonic-gate 72737c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7274d216dff5SRobert Mastors rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lsp, nfs_resop4 *resop) 72757c478bd9Sstevel@tonic-gate { 72767c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 72777c478bd9Sstevel@tonic-gate 7278d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 7279d216dff5SRobert Mastors if (!lsp->rls_skip_seqid_check) 7280d216dff5SRobert Mastors rc = rfs4_check_seqid(lsp->rls_seqid, &lsp->rls_reply, seqid, 7281d216dff5SRobert Mastors resop, TRUE); 7282d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 72837c478bd9Sstevel@tonic-gate 72847c478bd9Sstevel@tonic-gate return (rc); 72857c478bd9Sstevel@tonic-gate } 72867c478bd9Sstevel@tonic-gate 72877c478bd9Sstevel@tonic-gate static void 72887c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 7289d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 72907c478bd9Sstevel@tonic-gate { 72917c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 72927c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 72937c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 72947c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 72957c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 72967c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 72977c478bd9Sstevel@tonic-gate bool_t create; 72987c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 72997c478bd9Sstevel@tonic-gate int can_reclaim; 73007c478bd9Sstevel@tonic-gate 7301f3b585ceSsamf DTRACE_NFSV4_2(op__open__start, struct compound_state *, cs, 7302f3b585ceSsamf OPEN4args *, args); 73037c478bd9Sstevel@tonic-gate 73047c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 73057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7306f3b585ceSsamf goto end; 73077c478bd9Sstevel@tonic-gate } 73087c478bd9Sstevel@tonic-gate 73097c478bd9Sstevel@tonic-gate /* 73107c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 73117c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 73127c478bd9Sstevel@tonic-gate */ 73137c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 73147c478bd9Sstevel@tonic-gate if (cp == NULL) { 73157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 73161b300de9Sjwahlig rfs4_check_clientid(&owner->clientid, 0); 7317f3b585ceSsamf goto end; 73187c478bd9Sstevel@tonic-gate } 73197c478bd9Sstevel@tonic-gate 73207c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 73217c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 73227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 7323f3b585ceSsamf goto end; 73247c478bd9Sstevel@tonic-gate } 7325d216dff5SRobert Mastors can_reclaim = cp->rc_can_reclaim; 73267c478bd9Sstevel@tonic-gate 73277c478bd9Sstevel@tonic-gate /* 73287c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 73297c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 73307c478bd9Sstevel@tonic-gate * being returned. 73317c478bd9Sstevel@tonic-gate */ 73327c478bd9Sstevel@tonic-gate retry: 73337c478bd9Sstevel@tonic-gate create = TRUE; 73347c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 73357c478bd9Sstevel@tonic-gate if (oo == NULL) { 73367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 73377c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7338f3b585ceSsamf goto end; 73397c478bd9Sstevel@tonic-gate } 73407c478bd9Sstevel@tonic-gate 73417c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 7342d216dff5SRobert Mastors rfs4_sw_enter(&oo->ro_sw); 73437c478bd9Sstevel@tonic-gate 73447c478bd9Sstevel@tonic-gate /* 73457c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 73467c478bd9Sstevel@tonic-gate * the sequence id. 73477c478bd9Sstevel@tonic-gate */ 7348d216dff5SRobert Mastors if (!create && !oo->ro_postpone_confirm) { 73497c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 73507c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 7351d216dff5SRobert Mastors if ((args->seqid > oo->ro_open_seqid) && 7352d216dff5SRobert Mastors oo->ro_need_confirm) { 73537c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7354d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73557c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73567c478bd9Sstevel@tonic-gate goto retry; 73577c478bd9Sstevel@tonic-gate } 73587c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 73597c478bd9Sstevel@tonic-gate goto out; 73607c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 73617c478bd9Sstevel@tonic-gate replay = TRUE; 73627c478bd9Sstevel@tonic-gate goto out; 73637c478bd9Sstevel@tonic-gate default: 73647c478bd9Sstevel@tonic-gate break; 73657c478bd9Sstevel@tonic-gate } 73667c478bd9Sstevel@tonic-gate 73677c478bd9Sstevel@tonic-gate /* 73687c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 73697c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 73707c478bd9Sstevel@tonic-gate * open_confirm. 73717c478bd9Sstevel@tonic-gate */ 7372d216dff5SRobert Mastors if (oo->ro_need_confirm) { 73737c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7374d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73757c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73767c478bd9Sstevel@tonic-gate goto retry; 73777c478bd9Sstevel@tonic-gate } 73787c478bd9Sstevel@tonic-gate } 73797c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 73807c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 73817c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 73827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 73837c478bd9Sstevel@tonic-gate goto out; 73847c478bd9Sstevel@tonic-gate } 73857c478bd9Sstevel@tonic-gate 73867c478bd9Sstevel@tonic-gate /* 73877c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 73887c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 73897c478bd9Sstevel@tonic-gate * client. 73907c478bd9Sstevel@tonic-gate */ 73917c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 73927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 73937c478bd9Sstevel@tonic-gate goto out; 73947c478bd9Sstevel@tonic-gate } 73957c478bd9Sstevel@tonic-gate 73967c478bd9Sstevel@tonic-gate 73977c478bd9Sstevel@tonic-gate /* 73987c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 73997c478bd9Sstevel@tonic-gate */ 74007c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 74017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 74027c478bd9Sstevel@tonic-gate goto out; 74037c478bd9Sstevel@tonic-gate } 74047c478bd9Sstevel@tonic-gate 74057c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 7406d216dff5SRobert Mastors if (oo->ro_need_confirm) { 74077c478bd9Sstevel@tonic-gate /* 74087c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 74097c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 74107c478bd9Sstevel@tonic-gate * protocol specification. 74117c478bd9Sstevel@tonic-gate */ 74127c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 7413d216dff5SRobert Mastors oo->ro_need_confirm = FALSE; 74147c478bd9Sstevel@tonic-gate else 74157c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 74167c478bd9Sstevel@tonic-gate } 74177c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 74187c478bd9Sstevel@tonic-gate 74197c478bd9Sstevel@tonic-gate /* 74207c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 74217c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 74227c478bd9Sstevel@tonic-gate */ 74237c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 74247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 74257c478bd9Sstevel@tonic-gate goto out; 74267c478bd9Sstevel@tonic-gate } 74277c478bd9Sstevel@tonic-gate 74287c478bd9Sstevel@tonic-gate /* 74297c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 74307c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 74317c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 74327c478bd9Sstevel@tonic-gate */ 74337c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 74347c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 74357c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 74367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 74377c478bd9Sstevel@tonic-gate goto out; 74387c478bd9Sstevel@tonic-gate } 74397c478bd9Sstevel@tonic-gate 74407c478bd9Sstevel@tonic-gate 74417c478bd9Sstevel@tonic-gate /* 74427c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 74437c478bd9Sstevel@tonic-gate */ 74447c478bd9Sstevel@tonic-gate resp->attrset = 0; 74457c478bd9Sstevel@tonic-gate 74467c478bd9Sstevel@tonic-gate switch (claim) { 74477c478bd9Sstevel@tonic-gate case CLAIM_NULL: 74487c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 74491b300de9Sjwahlig break; 74507c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 74517c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 74521b300de9Sjwahlig break; 74537c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 74547c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 74551b300de9Sjwahlig break; 74567c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 74577c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 74581b300de9Sjwahlig break; 74597c478bd9Sstevel@tonic-gate default: 74607c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 74617c478bd9Sstevel@tonic-gate break; 74627c478bd9Sstevel@tonic-gate } 74637c478bd9Sstevel@tonic-gate 74647c478bd9Sstevel@tonic-gate out: 74657c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 74667c478bd9Sstevel@tonic-gate 74677c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 74687c478bd9Sstevel@tonic-gate switch (resp->status) { 74697c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 74707c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 74717c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 74727c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 74737c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 74747c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 74757c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 74767c478bd9Sstevel@tonic-gate /* 74777c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 74787c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 74797c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 74807c478bd9Sstevel@tonic-gate * increment. 74817c478bd9Sstevel@tonic-gate */ 74827c478bd9Sstevel@tonic-gate break; 74837c478bd9Sstevel@tonic-gate default: 74847c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 7485d216dff5SRobert Mastors rfs4_update_lease(oo->ro_client); 74867c478bd9Sstevel@tonic-gate 74877c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 74887c478bd9Sstevel@tonic-gate if (!replay) 74897c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 74907c478bd9Sstevel@tonic-gate 74917c478bd9Sstevel@tonic-gate /* 74927c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 74937c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 74947c478bd9Sstevel@tonic-gate * filehandle to copy. 74957c478bd9Sstevel@tonic-gate */ 74967c478bd9Sstevel@tonic-gate if (replay == TRUE && 74977c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 7498d216dff5SRobert Mastors oo->ro_reply_fh.nfs_fh4_val) { 74997c478bd9Sstevel@tonic-gate /* 75007c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 75017c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 75027c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 75037c478bd9Sstevel@tonic-gate * it. 75047c478bd9Sstevel@tonic-gate */ 75057c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 7506d216dff5SRobert Mastors (nfs_fh4_fmt_t *)oo->ro_reply_fh.nfs_fh4_val; 75077c478bd9Sstevel@tonic-gate 75087c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 75091b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 75107c478bd9Sstevel@tonic-gate 75117c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 75127c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 75137c478bd9Sstevel@tonic-gate goto finish; 75147c478bd9Sstevel@tonic-gate } 75157c478bd9Sstevel@tonic-gate 75167c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 75177c478bd9Sstevel@tonic-gate 7518d216dff5SRobert Mastors cs->vp = nfs4_fhtovp(&oo->ro_reply_fh, cs->exi, 75191b300de9Sjwahlig &resp->status); 75207c478bd9Sstevel@tonic-gate 75217c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 75227c478bd9Sstevel@tonic-gate goto finish; 75237c478bd9Sstevel@tonic-gate 7524d216dff5SRobert Mastors nfs_fh4_copy(&oo->ro_reply_fh, &cs->fh); 75257c478bd9Sstevel@tonic-gate } 75267c478bd9Sstevel@tonic-gate 75277c478bd9Sstevel@tonic-gate /* 75287c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 75297c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 75307c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 75317c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 75327c478bd9Sstevel@tonic-gate */ 75337c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 75347c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 75357c478bd9Sstevel@tonic-gate /* 75367c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 75377c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 75387c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 75397c478bd9Sstevel@tonic-gate * that the server has no method of returning a 75407c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 75417c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 75427c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 75437c478bd9Sstevel@tonic-gate * this open_owner. 75447c478bd9Sstevel@tonic-gate */ 7545d216dff5SRobert Mastors if (resp->status != NFS4_OK && oo->ro_need_confirm) 7546d216dff5SRobert Mastors oo->ro_postpone_confirm = TRUE; 75477c478bd9Sstevel@tonic-gate /* 75487c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 75497c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 75507c478bd9Sstevel@tonic-gate * client. 75517c478bd9Sstevel@tonic-gate */ 7552d216dff5SRobert Mastors if (resp->status == NFS4_OK && oo->ro_postpone_confirm) { 7553d216dff5SRobert Mastors oo->ro_postpone_confirm = FALSE; 7554d216dff5SRobert Mastors oo->ro_open_seqid = args->seqid; 75557c478bd9Sstevel@tonic-gate } 75567c478bd9Sstevel@tonic-gate break; 75577c478bd9Sstevel@tonic-gate } 75587c478bd9Sstevel@tonic-gate 75597c478bd9Sstevel@tonic-gate finish: 75607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 75617c478bd9Sstevel@tonic-gate 7562d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 75637c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 7564f3b585ceSsamf 7565f3b585ceSsamf end: 7566f3b585ceSsamf DTRACE_NFSV4_2(op__open__done, struct compound_state *, cs, 7567f3b585ceSsamf OPEN4res *, resp); 75687c478bd9Sstevel@tonic-gate } 75697c478bd9Sstevel@tonic-gate 75707c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75717c478bd9Sstevel@tonic-gate void 75727c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 7573d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 75747c478bd9Sstevel@tonic-gate { 75757c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 75767c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 75777c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75787c478bd9Sstevel@tonic-gate nfsstat4 status; 75797c478bd9Sstevel@tonic-gate 7580f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__start, struct compound_state *, cs, 7581f3b585ceSsamf OPEN_CONFIRM4args *, args); 7582f3b585ceSsamf 75837c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7585f3b585ceSsamf goto out; 75867c478bd9Sstevel@tonic-gate } 75877c478bd9Sstevel@tonic-gate 75887c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 75897c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7591f3b585ceSsamf goto out; 75927c478bd9Sstevel@tonic-gate } 75937c478bd9Sstevel@tonic-gate 75947c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7595d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 75967c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 75977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7598f3b585ceSsamf goto out; 75997c478bd9Sstevel@tonic-gate } 76007c478bd9Sstevel@tonic-gate 76017c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7602d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 76037c478bd9Sstevel@tonic-gate 76047c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 76057c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7606d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76071b300de9Sjwahlig resop) != 0) { 76087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76097c478bd9Sstevel@tonic-gate break; 76107c478bd9Sstevel@tonic-gate } 76117c478bd9Sstevel@tonic-gate /* 76127c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 76137c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 76147c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 76157c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 76167c478bd9Sstevel@tonic-gate */ 76177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76187c478bd9Sstevel@tonic-gate break; 76197c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 76207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76217c478bd9Sstevel@tonic-gate break; 76227c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 76237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76247c478bd9Sstevel@tonic-gate break; 76257c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 76267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 76277c478bd9Sstevel@tonic-gate break; 76287c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 76297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76307c478bd9Sstevel@tonic-gate break; 76317c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 7632d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7633d216dff5SRobert Mastors resop)) { 76347c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 76357c478bd9Sstevel@tonic-gate /* 76367c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 76377c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 76387c478bd9Sstevel@tonic-gate */ 76397c478bd9Sstevel@tonic-gate /* fall through */ 76407c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 76417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76427c478bd9Sstevel@tonic-gate break; 76437c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76447c478bd9Sstevel@tonic-gate /* 76457c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76467c478bd9Sstevel@tonic-gate * resp->status is already set. 76477c478bd9Sstevel@tonic-gate */ 76487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7649d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 76507c478bd9Sstevel@tonic-gate break; 76517c478bd9Sstevel@tonic-gate } 76527c478bd9Sstevel@tonic-gate break; 76537c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 7654d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76551b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 76567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76577c478bd9Sstevel@tonic-gate break; 76587c478bd9Sstevel@tonic-gate } 76597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 76607c478bd9Sstevel@tonic-gate 7661d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7662d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 7663d216dff5SRobert Mastors sp->rs_owner->ro_need_confirm = FALSE; 7664d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 7665d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7666d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 76677c478bd9Sstevel@tonic-gate break; 76687c478bd9Sstevel@tonic-gate default: 76697c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 76717c478bd9Sstevel@tonic-gate break; 76727c478bd9Sstevel@tonic-gate } 7673d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 76747c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7675f3b585ceSsamf 7676f3b585ceSsamf out: 7677f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__done, struct compound_state *, cs, 7678f3b585ceSsamf OPEN_CONFIRM4res *, resp); 76797c478bd9Sstevel@tonic-gate } 76807c478bd9Sstevel@tonic-gate 76817c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 76827c478bd9Sstevel@tonic-gate void 76837c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 7684d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 76857c478bd9Sstevel@tonic-gate { 76867c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 76877c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 76887c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 76897c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 76907c478bd9Sstevel@tonic-gate nfsstat4 status; 76917c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 76927c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7693da6c28aaSamw int fflags = 0; 76947c478bd9Sstevel@tonic-gate 7695f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__start, struct compound_state *, cs, 7696f3b585ceSsamf OPEN_DOWNGRADE4args *, args); 7697f3b585ceSsamf 76987c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 76997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7700f3b585ceSsamf goto out; 77017c478bd9Sstevel@tonic-gate } 77027c478bd9Sstevel@tonic-gate 77037c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 77047c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 77057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7706f3b585ceSsamf goto out; 77077c478bd9Sstevel@tonic-gate } 77087c478bd9Sstevel@tonic-gate 77097c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7710d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 77117c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 77127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7713f3b585ceSsamf goto out; 77147c478bd9Sstevel@tonic-gate } 77157c478bd9Sstevel@tonic-gate 77167c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7717d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 77187c478bd9Sstevel@tonic-gate 77197c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 77207c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7721d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 77221b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 77237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77247c478bd9Sstevel@tonic-gate goto end; 77257c478bd9Sstevel@tonic-gate } 77267c478bd9Sstevel@tonic-gate break; 77277c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 77287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 77297c478bd9Sstevel@tonic-gate goto end; 77307c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 77317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 77327c478bd9Sstevel@tonic-gate goto end; 77337c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 77347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 77357c478bd9Sstevel@tonic-gate goto end; 77367c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 77377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 77387c478bd9Sstevel@tonic-gate goto end; 77397c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 77407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 77417c478bd9Sstevel@tonic-gate goto end; 77427c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 77437c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 7744d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7745d216dff5SRobert Mastors resop)) { 77467c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 77477c478bd9Sstevel@tonic-gate /* 77487c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 77497c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 77507c478bd9Sstevel@tonic-gate */ 77517c478bd9Sstevel@tonic-gate /* fall through */ 77527c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 77537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77547c478bd9Sstevel@tonic-gate goto end; 77557c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 77567c478bd9Sstevel@tonic-gate /* 77577c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 77587c478bd9Sstevel@tonic-gate * resp->status is already set. 77597c478bd9Sstevel@tonic-gate */ 77607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7761d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 77627c478bd9Sstevel@tonic-gate goto end; 77637c478bd9Sstevel@tonic-gate } 77647c478bd9Sstevel@tonic-gate break; 77657c478bd9Sstevel@tonic-gate default: 77667c478bd9Sstevel@tonic-gate ASSERT(FALSE); 77677c478bd9Sstevel@tonic-gate break; 77687c478bd9Sstevel@tonic-gate } 77697c478bd9Sstevel@tonic-gate 7770d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 77717c478bd9Sstevel@tonic-gate /* 77727c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 77737c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 77747c478bd9Sstevel@tonic-gate */ 77757c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7776da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 77777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7778d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7779d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 77807c478bd9Sstevel@tonic-gate goto end; 77817c478bd9Sstevel@tonic-gate } 77827c478bd9Sstevel@tonic-gate 77837c478bd9Sstevel@tonic-gate /* 77847c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 77857c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 77867c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 77877c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 77887c478bd9Sstevel@tonic-gate * mode. For example: 778950956b22SJames Wahlig * New mode, access == R and current mode, sp->rs_open_access == RW 779050956b22SJames Wahlig * access & sp->rs_open_access == R == access, so the new access mode 779150956b22SJames Wahlig * is valid. Consider access == RW, sp->rs_open_access = R 779250956b22SJames Wahlig * access & sp->rs_open_access == R != access, so the new access mode 77937c478bd9Sstevel@tonic-gate * is invalid. 77947c478bd9Sstevel@tonic-gate */ 779550956b22SJames Wahlig if ((access & sp->rs_open_access) != access || 779650956b22SJames Wahlig (deny & sp->rs_open_deny) != deny || 77977c478bd9Sstevel@tonic-gate (access & 77987c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 77997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7800d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7801d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 78027c478bd9Sstevel@tonic-gate goto end; 78037c478bd9Sstevel@tonic-gate } 78047c478bd9Sstevel@tonic-gate 78057c478bd9Sstevel@tonic-gate /* 78067c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 78077c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 78087c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 78097c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 78107c478bd9Sstevel@tonic-gate */ 7811d216dff5SRobert Mastors (void) rfs4_unshare(sp); 78127c478bd9Sstevel@tonic-gate 781350956b22SJames Wahlig status = rfs4_share(sp, access, deny); 781450956b22SJames Wahlig if (status != NFS4_OK) { 781550956b22SJames Wahlig *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 781650956b22SJames Wahlig rfs4_update_open_sequence(sp->rs_owner); 781750956b22SJames Wahlig rfs4_dbe_unlock(sp->rs_dbe); 781850956b22SJames Wahlig goto end; 781950956b22SJames Wahlig } 782050956b22SJames Wahlig 7821d216dff5SRobert Mastors fp = sp->rs_finfo; 7822d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 78237c478bd9Sstevel@tonic-gate 78247c478bd9Sstevel@tonic-gate /* 78257c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 78267c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 78277c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 78287c478bd9Sstevel@tonic-gate * on the file. 78297c478bd9Sstevel@tonic-gate */ 783050956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_READ) && 78317c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 7832d216dff5SRobert Mastors fp->rf_deny_read--; 7833d216dff5SRobert Mastors if (fp->rf_deny_read == 0) 7834d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 78357c478bd9Sstevel@tonic-gate } 78367c478bd9Sstevel@tonic-gate 78377c478bd9Sstevel@tonic-gate /* 78387c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 78397c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 78407c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 78417c478bd9Sstevel@tonic-gate * on the file. 78427c478bd9Sstevel@tonic-gate */ 784350956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) && 78447c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 7845d216dff5SRobert Mastors fp->rf_deny_write--; 7846d216dff5SRobert Mastors if (fp->rf_deny_write == 0) 7847d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 78487c478bd9Sstevel@tonic-gate } 78497c478bd9Sstevel@tonic-gate 78507c478bd9Sstevel@tonic-gate /* 78517c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 78527c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 78537c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7854da6c28aaSamw * on the file. set fflags to FREAD for the call to 7855da6c28aaSamw * vn_open_downgrade(). 78567c478bd9Sstevel@tonic-gate */ 785750956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) && 78587c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 7859d216dff5SRobert Mastors fp->rf_access_read--; 7860d216dff5SRobert Mastors if (fp->rf_access_read == 0) 7861d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 7862da6c28aaSamw fflags |= FREAD; 78637c478bd9Sstevel@tonic-gate } 78647c478bd9Sstevel@tonic-gate 78657c478bd9Sstevel@tonic-gate /* 78667c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 78677c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 78687c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7869da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7870da6c28aaSamw * vn_open_downgrade(). 78717c478bd9Sstevel@tonic-gate */ 787250956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) && 78737c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 7874d216dff5SRobert Mastors fp->rf_access_write--; 7875d216dff5SRobert Mastors if (fp->rf_access_write == 0) 7876d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7877da6c28aaSamw fflags |= FWRITE; 78787c478bd9Sstevel@tonic-gate } 78797c478bd9Sstevel@tonic-gate 78807c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 7881d216dff5SRobert Mastors ASSERT(fp->rf_share_access); 78827c478bd9Sstevel@tonic-gate 7883d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 78847c478bd9Sstevel@tonic-gate 788550956b22SJames Wahlig /* now set the new open access and deny modes */ 788650956b22SJames Wahlig sp->rs_open_access = access; 788750956b22SJames Wahlig sp->rs_open_deny = deny; 78887c478bd9Sstevel@tonic-gate 7889da6c28aaSamw /* 7890da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 789150956b22SJames Wahlig * the open. it is possible that the downgrade was only for a deny 7892da6c28aaSamw * mode and we have nothing else to do. 7893da6c28aaSamw */ 7894da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7895da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7896da6c28aaSamw 78977c478bd9Sstevel@tonic-gate /* Update the stateid */ 7898d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7899d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 79007c478bd9Sstevel@tonic-gate 7901d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 79027c478bd9Sstevel@tonic-gate 79037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 79047c478bd9Sstevel@tonic-gate /* Update the lease */ 7905d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 79067c478bd9Sstevel@tonic-gate /* And the sequence */ 7907d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7908d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 79097c478bd9Sstevel@tonic-gate 79107c478bd9Sstevel@tonic-gate end: 7911d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 79127c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7913f3b585ceSsamf out: 7914f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__done, struct compound_state *, cs, 7915f3b585ceSsamf OPEN_DOWNGRADE4res *, resp); 79167c478bd9Sstevel@tonic-gate } 79177c478bd9Sstevel@tonic-gate 79187c478bd9Sstevel@tonic-gate /* 79197c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 79207c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 79217c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 79227c478bd9Sstevel@tonic-gate * SETCLIENTID. 79237c478bd9Sstevel@tonic-gate */ 79247c478bd9Sstevel@tonic-gate void 79257c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 7926d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 79277c478bd9Sstevel@tonic-gate { 79287c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 79297c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 79307c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 79312f172c55SRobert Thurlow rfs4_clntip_t *ci; 79322f172c55SRobert Thurlow bool_t create; 79337c478bd9Sstevel@tonic-gate char *addr, *netid; 79347c478bd9Sstevel@tonic-gate int len; 79357c478bd9Sstevel@tonic-gate 7936f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__start, struct compound_state *, cs, 7937f3b585ceSsamf SETCLIENTID4args *, args); 79387c478bd9Sstevel@tonic-gate retry: 79397c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 79407c478bd9Sstevel@tonic-gate 79412f172c55SRobert Thurlow /* 79422f172c55SRobert Thurlow * Save the caller's IP address 79432f172c55SRobert Thurlow */ 79442f172c55SRobert Thurlow args->client.cl_addr = 79452f172c55SRobert Thurlow (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 79462f172c55SRobert Thurlow 79472f172c55SRobert Thurlow /* 79482f172c55SRobert Thurlow * Record if it is a Solaris client that cannot handle referrals. 79492f172c55SRobert Thurlow */ 79502f172c55SRobert Thurlow if (strstr(args->client.id_val, "Solaris") && 79512f172c55SRobert Thurlow !strstr(args->client.id_val, "+referrals")) { 79522f172c55SRobert Thurlow /* Add a "yes, it's downrev" record */ 79532f172c55SRobert Thurlow create = TRUE; 79542f172c55SRobert Thurlow ci = rfs4_find_clntip(args->client.cl_addr, &create); 79552f172c55SRobert Thurlow ASSERT(ci != NULL); 79562f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 79572f172c55SRobert Thurlow } else { 79582f172c55SRobert Thurlow /* Remove any previous record */ 79592f172c55SRobert Thurlow rfs4_invalidate_clntip(args->client.cl_addr); 79602f172c55SRobert Thurlow } 79612f172c55SRobert Thurlow 79627c478bd9Sstevel@tonic-gate /* 79637c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 79647c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 79657c478bd9Sstevel@tonic-gate */ 79667c478bd9Sstevel@tonic-gate create = TRUE; 79677c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 79687c478bd9Sstevel@tonic-gate 79697c478bd9Sstevel@tonic-gate /* Should never happen */ 79707c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 79717c478bd9Sstevel@tonic-gate 79727c478bd9Sstevel@tonic-gate if (cp == NULL) { 79737c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 7974f3b585ceSsamf goto out; 79757c478bd9Sstevel@tonic-gate } 79767c478bd9Sstevel@tonic-gate 79777c478bd9Sstevel@tonic-gate /* 79787c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 79797c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 79807c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 79817c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 79827c478bd9Sstevel@tonic-gate */ 79837c478bd9Sstevel@tonic-gate if (create) { 79847c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 7985d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = cp->rc_clientid; 79867c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 7987d216dff5SRobert Mastors cp->rc_confirm_verf; 79887c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 79897c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 79907c478bd9Sstevel@tonic-gate 79917c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7992f3b585ceSsamf goto out; 79937c478bd9Sstevel@tonic-gate } 79947c478bd9Sstevel@tonic-gate 79957c478bd9Sstevel@tonic-gate /* 79967c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 79977c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 79987c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 79997c478bd9Sstevel@tonic-gate */ 80007c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 80017c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 80027c478bd9Sstevel@tonic-gate goto retry; 80037c478bd9Sstevel@tonic-gate } 80047c478bd9Sstevel@tonic-gate 8005d216dff5SRobert Mastors if (cp->rc_need_confirm == TRUE) 80067c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 80077c478bd9Sstevel@tonic-gate else 80087c478bd9Sstevel@tonic-gate cp_confirmed = cp; 80097c478bd9Sstevel@tonic-gate 80107c478bd9Sstevel@tonic-gate cp = NULL; 80117c478bd9Sstevel@tonic-gate 80127c478bd9Sstevel@tonic-gate /* 80137c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 80147c478bd9Sstevel@tonic-gate * unconfimred entry 80157c478bd9Sstevel@tonic-gate */ 80167c478bd9Sstevel@tonic-gate if (cp_confirmed) { 80177c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 8018d216dff5SRobert Mastors if (!creds_ok(cp_confirmed->rc_cr_set, req, cs)) { 80197c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 80207c478bd9Sstevel@tonic-gate /* 80217c478bd9Sstevel@tonic-gate * Some one else has established this client 80227c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 80237c478bd9Sstevel@tonic-gate * the call back address supplied by * the 80247c478bd9Sstevel@tonic-gate * first client. 80257c478bd9Sstevel@tonic-gate */ 80267c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 80277c478bd9Sstevel@tonic-gate 80287c478bd9Sstevel@tonic-gate addr = netid = NULL; 80297c478bd9Sstevel@tonic-gate 8030d216dff5SRobert Mastors cbp = &cp_confirmed->rc_cbinfo; 80317c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 80327c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 80337c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 80347c478bd9Sstevel@tonic-gate 80357c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 80367c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 80377c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 80387c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 80397c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 80407c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 80417c478bd9Sstevel@tonic-gate } 80427c478bd9Sstevel@tonic-gate 80437c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 80447c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 80457c478bd9Sstevel@tonic-gate 80467c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 80477c478bd9Sstevel@tonic-gate } 80487c478bd9Sstevel@tonic-gate 80497c478bd9Sstevel@tonic-gate /* 80507c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 80517c478bd9Sstevel@tonic-gate * be an update of the callback info 80527c478bd9Sstevel@tonic-gate */ 8053d216dff5SRobert Mastors if (cp_confirmed->rc_nfs_client.verifier == 80541b300de9Sjwahlig args->client.verifier) { 80557c478bd9Sstevel@tonic-gate /* Setup callback information */ 80567c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 80571b300de9Sjwahlig args->callback_ident); 80587c478bd9Sstevel@tonic-gate 80597c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 80607c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 80617c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 8062d216dff5SRobert Mastors cp_confirmed->rc_clientid; 80637c478bd9Sstevel@tonic-gate 80647c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 80657c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 80667c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8067d216dff5SRobert Mastors cp_confirmed->rc_confirm_verf; 80687c478bd9Sstevel@tonic-gate 80697c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8070f3b585ceSsamf goto out; 80717c478bd9Sstevel@tonic-gate } 80727c478bd9Sstevel@tonic-gate 80737c478bd9Sstevel@tonic-gate /* 80747c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 80757c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 80767c478bd9Sstevel@tonic-gate * this request. 80777c478bd9Sstevel@tonic-gate */ 80787c478bd9Sstevel@tonic-gate create = FALSE; 80797c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 80801b300de9Sjwahlig cp_confirmed); 80817c478bd9Sstevel@tonic-gate } 80827c478bd9Sstevel@tonic-gate 80837c478bd9Sstevel@tonic-gate /* 80847c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 80857c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 80867c478bd9Sstevel@tonic-gate * client struct. 80877c478bd9Sstevel@tonic-gate */ 80887c478bd9Sstevel@tonic-gate 80897c478bd9Sstevel@tonic-gate /* 80907c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 80917c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 80927c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 80937c478bd9Sstevel@tonic-gate */ 80947c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 8095d216dff5SRobert Mastors rfs4_dbe_lock(cp_unconfirmed->rc_dbe); 8096d216dff5SRobert Mastors if (!cp_unconfirmed->rc_need_confirm) { 8097d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 80987c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 80997c478bd9Sstevel@tonic-gate if (cp_confirmed) 81007c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 81017c478bd9Sstevel@tonic-gate goto retry; 81027c478bd9Sstevel@tonic-gate } 81037c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 8104d216dff5SRobert Mastors rfs4_dbe_invalidate(cp_unconfirmed->rc_dbe); 8105d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 81067c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 81077c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 81087c478bd9Sstevel@tonic-gate } 81097c478bd9Sstevel@tonic-gate 81107c478bd9Sstevel@tonic-gate /* 81117c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 81127c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 81137c478bd9Sstevel@tonic-gate * unconfirmed one. 81147c478bd9Sstevel@tonic-gate */ 81157c478bd9Sstevel@tonic-gate create = TRUE; 81167c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 81177c478bd9Sstevel@tonic-gate 81187c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 81197c478bd9Sstevel@tonic-gate 81207c478bd9Sstevel@tonic-gate if (newcp == NULL) { 81217c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 81227c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8123f3b585ceSsamf goto out; 81247c478bd9Sstevel@tonic-gate } 81257c478bd9Sstevel@tonic-gate 81267c478bd9Sstevel@tonic-gate /* 81277c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 81287c478bd9Sstevel@tonic-gate * process so release and start over with this one 81297c478bd9Sstevel@tonic-gate */ 81307c478bd9Sstevel@tonic-gate if (create != TRUE) { 81317c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 81327c478bd9Sstevel@tonic-gate if (cp_confirmed) 81337c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 81347c478bd9Sstevel@tonic-gate goto retry; 81357c478bd9Sstevel@tonic-gate } 81367c478bd9Sstevel@tonic-gate 81377c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 8138d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = newcp->rc_clientid; 8139d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8140d216dff5SRobert Mastors newcp->rc_confirm_verf; 81417c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 81421b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 81437c478bd9Sstevel@tonic-gate 8144d216dff5SRobert Mastors newcp->rc_cp_confirmed = cp_confirmed; 81457c478bd9Sstevel@tonic-gate 81467c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 8147f3b585ceSsamf 8148f3b585ceSsamf out: 8149f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__done, struct compound_state *, cs, 8150f3b585ceSsamf SETCLIENTID4res *, res); 81517c478bd9Sstevel@tonic-gate } 81527c478bd9Sstevel@tonic-gate 81537c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81547c478bd9Sstevel@tonic-gate void 81557c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 8156d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 81577c478bd9Sstevel@tonic-gate { 81587c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 81591b300de9Sjwahlig &argop->nfs_argop4_u.opsetclientid_confirm; 81607c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 81611b300de9Sjwahlig &resop->nfs_resop4_u.opsetclientid_confirm; 81627c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 81637c478bd9Sstevel@tonic-gate 8164f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__start, 8165f3b585ceSsamf struct compound_state *, cs, 8166f3b585ceSsamf SETCLIENTID_CONFIRM4args *, args); 8167f3b585ceSsamf 81687c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 81697c478bd9Sstevel@tonic-gate 81707c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 81717c478bd9Sstevel@tonic-gate 81727c478bd9Sstevel@tonic-gate if (cp == NULL) { 81737c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 81741b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 1); 8175f3b585ceSsamf goto out; 81767c478bd9Sstevel@tonic-gate } 81777c478bd9Sstevel@tonic-gate 81787c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 81797c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 81807c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8181f3b585ceSsamf goto out; 81827c478bd9Sstevel@tonic-gate } 81837c478bd9Sstevel@tonic-gate 81847c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 8185d216dff5SRobert Mastors if (cp->rc_confirm_verf != args->setclientid_confirm) { 81867c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 81877c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8188f3b585ceSsamf goto out; 81897c478bd9Sstevel@tonic-gate } 81907c478bd9Sstevel@tonic-gate 8191d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 8192d216dff5SRobert Mastors cp->rc_need_confirm = FALSE; 8193d216dff5SRobert Mastors if (cp->rc_cp_confirmed) { 8194d216dff5SRobert Mastors cptoclose = cp->rc_cp_confirmed; 8195d216dff5SRobert Mastors cptoclose->rc_ss_remove = 1; 8196d216dff5SRobert Mastors cp->rc_cp_confirmed = NULL; 81977c478bd9Sstevel@tonic-gate } 81987c478bd9Sstevel@tonic-gate 81997c478bd9Sstevel@tonic-gate /* 8200cee86682Scalum * Update the client's associated server instance, if it's changed 8201cee86682Scalum * since the client was created. 8202cee86682Scalum */ 8203cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 8204cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 8205cee86682Scalum 8206cee86682Scalum /* 8207cee86682Scalum * Record clientid in stable storage. 8208cee86682Scalum * Must be done after server instance has been assigned. 82097c478bd9Sstevel@tonic-gate */ 82102f172c55SRobert Thurlow rfs4_ss_clid(cp); 82117c478bd9Sstevel@tonic-gate 8212d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 82137c478bd9Sstevel@tonic-gate 82147c478bd9Sstevel@tonic-gate if (cptoclose) 82157c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 82167c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 82177c478bd9Sstevel@tonic-gate 82187c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 82197c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 82207c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 82217c478bd9Sstevel@tonic-gate 82227c478bd9Sstevel@tonic-gate /* 82237c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 82247c478bd9Sstevel@tonic-gate */ 82257c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 82267c478bd9Sstevel@tonic-gate 82277c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8228f3b585ceSsamf 8229f3b585ceSsamf out: 8230f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__done, 8231f3b585ceSsamf struct compound_state *, cs, 8232f3b585ceSsamf SETCLIENTID_CONFIRM4 *, res); 82337c478bd9Sstevel@tonic-gate } 82347c478bd9Sstevel@tonic-gate 82357c478bd9Sstevel@tonic-gate 82367c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 82377c478bd9Sstevel@tonic-gate void 82387c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 8239d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 82407c478bd9Sstevel@tonic-gate { 82417c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 82427c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 82437c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 82447c478bd9Sstevel@tonic-gate nfsstat4 status; 82457c478bd9Sstevel@tonic-gate 8246f3b585ceSsamf DTRACE_NFSV4_2(op__close__start, struct compound_state *, cs, 8247f3b585ceSsamf CLOSE4args *, args); 8248f3b585ceSsamf 82497c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 82507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8251f3b585ceSsamf goto out; 82527c478bd9Sstevel@tonic-gate } 82537c478bd9Sstevel@tonic-gate 82547c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 82557c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 82567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8257f3b585ceSsamf goto out; 82587c478bd9Sstevel@tonic-gate } 82597c478bd9Sstevel@tonic-gate 82607c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8261d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 82627c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 82637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8264f3b585ceSsamf goto out; 82657c478bd9Sstevel@tonic-gate } 82667c478bd9Sstevel@tonic-gate 82677c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8268d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 82697c478bd9Sstevel@tonic-gate 82707c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 82717c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 8272d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 82731b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 82747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 82757c478bd9Sstevel@tonic-gate goto end; 82767c478bd9Sstevel@tonic-gate } 82777c478bd9Sstevel@tonic-gate break; 82787c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 82797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82807c478bd9Sstevel@tonic-gate goto end; 82817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 82827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82837c478bd9Sstevel@tonic-gate goto end; 82847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 82857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 82867c478bd9Sstevel@tonic-gate goto end; 82877c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 82887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82897c478bd9Sstevel@tonic-gate goto end; 82907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 82917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82927c478bd9Sstevel@tonic-gate goto end; 82937c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 82947c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 8295d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 8296d216dff5SRobert Mastors resop)) { 82977c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 82987c478bd9Sstevel@tonic-gate /* 82997c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 83007c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 83017c478bd9Sstevel@tonic-gate */ 83027c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 83037c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 83047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 83057c478bd9Sstevel@tonic-gate goto end; 83067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 83077c478bd9Sstevel@tonic-gate /* 83087c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 83097c478bd9Sstevel@tonic-gate * resp->status is already set. 83107c478bd9Sstevel@tonic-gate */ 83117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 8312d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 83137c478bd9Sstevel@tonic-gate goto end; 83147c478bd9Sstevel@tonic-gate } 83157c478bd9Sstevel@tonic-gate break; 83167c478bd9Sstevel@tonic-gate default: 83177c478bd9Sstevel@tonic-gate ASSERT(FALSE); 83187c478bd9Sstevel@tonic-gate break; 83197c478bd9Sstevel@tonic-gate } 83207c478bd9Sstevel@tonic-gate 8321d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 83227c478bd9Sstevel@tonic-gate 83237c478bd9Sstevel@tonic-gate /* Update the stateid. */ 8324d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 8325d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 83267c478bd9Sstevel@tonic-gate 8327d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 83287c478bd9Sstevel@tonic-gate 8329d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 8330d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 8331d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 83327c478bd9Sstevel@tonic-gate 83337c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 83347c478bd9Sstevel@tonic-gate 83357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 83367c478bd9Sstevel@tonic-gate 83377c478bd9Sstevel@tonic-gate end: 8338d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 83397c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 8340f3b585ceSsamf out: 8341f3b585ceSsamf DTRACE_NFSV4_2(op__close__done, struct compound_state *, cs, 8342f3b585ceSsamf CLOSE4res *, resp); 83437c478bd9Sstevel@tonic-gate } 83447c478bd9Sstevel@tonic-gate 83457c478bd9Sstevel@tonic-gate /* 83467c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 83477c478bd9Sstevel@tonic-gate */ 83487c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 83497c478bd9Sstevel@tonic-gate void 83507c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 8351d216dff5SRobert Mastors bool_t close_of_client) 83527c478bd9Sstevel@tonic-gate { 8353d216dff5SRobert Mastors rfs4_file_t *fp = sp->rs_finfo; 83547c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 8355d216dff5SRobert Mastors int fflags = 0; 83567c478bd9Sstevel@tonic-gate 83577c478bd9Sstevel@tonic-gate /* 83587c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 83597c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 83607c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 83617c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 83627c478bd9Sstevel@tonic-gate */ 83637c478bd9Sstevel@tonic-gate if (close_of_client) { 8364d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_unlksys_completed == FALSE && 8365d216dff5SRobert Mastors !list_is_empty(&sp->rs_lostatelist) && 8366d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) { 83677c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 83687c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 83697c478bd9Sstevel@tonic-gate int new_sysid; 83707c478bd9Sstevel@tonic-gate 83717c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 8372d216dff5SRobert Mastors new_sysid = sp->rs_owner->ro_client->rc_sysidt; 83737c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 83747c478bd9Sstevel@tonic-gate 83757c478bd9Sstevel@tonic-gate /* 83767c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 83777c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 83787c478bd9Sstevel@tonic-gate */ 83797c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 83807c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 83817c478bd9Sstevel@tonic-gate new_sysid)); 83827c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 83837c478bd9Sstevel@tonic-gate } else { 83847c478bd9Sstevel@tonic-gate struct flock64 flk; 83857c478bd9Sstevel@tonic-gate 83867c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 83877c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 83887c478bd9Sstevel@tonic-gate flk.l_whence = 0; 83897c478bd9Sstevel@tonic-gate flk.l_start = 0; 83907c478bd9Sstevel@tonic-gate flk.l_len = 0; 8391d216dff5SRobert Mastors flk.l_sysid = 8392d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt; 83937c478bd9Sstevel@tonic-gate flk.l_pid = 0; 8394d216dff5SRobert Mastors (void) VOP_FRLOCK(sp->rs_finfo->rf_vp, F_SETLK, 8395d216dff5SRobert Mastors &flk, F_REMOTELOCK | FREAD | FWRITE, 8396da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 83977c478bd9Sstevel@tonic-gate } 83987c478bd9Sstevel@tonic-gate 8399d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_unlksys_completed = TRUE; 84007c478bd9Sstevel@tonic-gate } 84017c478bd9Sstevel@tonic-gate } 84027c478bd9Sstevel@tonic-gate 84037c478bd9Sstevel@tonic-gate /* 84047c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 84057c478bd9Sstevel@tonic-gate * least mark the locks as having been released 84067c478bd9Sstevel@tonic-gate */ 8407d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); lsp != NULL; 8408d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 8409d216dff5SRobert Mastors lsp->rls_locks_cleaned = TRUE; 84107c478bd9Sstevel@tonic-gate 84117c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 84127c478bd9Sstevel@tonic-gate if (!close_of_client && 8413d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8414d216dff5SRobert Mastors (void) cleanlocks(sp->rs_finfo->rf_vp, 8415d216dff5SRobert Mastors lsp->rls_locker->rl_pid, 8416d216dff5SRobert Mastors lsp->rls_locker->rl_client->rc_sysidt); 84177c478bd9Sstevel@tonic-gate } 84187c478bd9Sstevel@tonic-gate 84197c478bd9Sstevel@tonic-gate /* 84207c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 84217c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 84227c478bd9Sstevel@tonic-gate */ 8423d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8424d216dff5SRobert Mastors (void) rfs4_unshare(sp); 8425da6c28aaSamw 842650956b22SJames Wahlig if (sp->rs_open_access) { 842750956b22SJames Wahlig rfs4_dbe_lock(fp->rf_dbe); 842850956b22SJames Wahlig 842914f41b92SRobert Mastors /* 843014f41b92SRobert Mastors * Decrement the count for each access and deny bit that this 843114f41b92SRobert Mastors * state has contributed to the file. 843214f41b92SRobert Mastors * If the file counts go to zero 843314f41b92SRobert Mastors * clear the appropriate bit in the appropriate mask. 843414f41b92SRobert Mastors */ 843550956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) { 843614f41b92SRobert Mastors fp->rf_access_read--; 843714f41b92SRobert Mastors fflags |= FREAD; 843814f41b92SRobert Mastors if (fp->rf_access_read == 0) 843914f41b92SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 844014f41b92SRobert Mastors } 844150956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) { 844214f41b92SRobert Mastors fp->rf_access_write--; 844314f41b92SRobert Mastors fflags |= FWRITE; 844414f41b92SRobert Mastors if (fp->rf_access_write == 0) 844514f41b92SRobert Mastors fp->rf_share_access &= 844614f41b92SRobert Mastors ~OPEN4_SHARE_ACCESS_WRITE; 844714f41b92SRobert Mastors } 844850956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_READ) { 844914f41b92SRobert Mastors fp->rf_deny_read--; 845014f41b92SRobert Mastors if (fp->rf_deny_read == 0) 845114f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 845214f41b92SRobert Mastors } 845350956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) { 845414f41b92SRobert Mastors fp->rf_deny_write--; 845514f41b92SRobert Mastors if (fp->rf_deny_write == 0) 845614f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 845714f41b92SRobert Mastors } 845814f41b92SRobert Mastors 845914f41b92SRobert Mastors (void) VOP_CLOSE(fp->rf_vp, fflags, 1, (offset_t)0, cr, NULL); 846014f41b92SRobert Mastors 846150956b22SJames Wahlig rfs4_dbe_unlock(fp->rf_dbe); 846250956b22SJames Wahlig 846350956b22SJames Wahlig sp->rs_open_access = 0; 846450956b22SJames Wahlig sp->rs_open_deny = 0; 846514f41b92SRobert Mastors } 84667c478bd9Sstevel@tonic-gate } 84677c478bd9Sstevel@tonic-gate 84687c478bd9Sstevel@tonic-gate /* 84697c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 84707c478bd9Sstevel@tonic-gate */ 84717c478bd9Sstevel@tonic-gate static nfsstat4 84727c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 84737c478bd9Sstevel@tonic-gate { 84747c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 84757c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 84767c478bd9Sstevel@tonic-gate uint32_t len; 84777c478bd9Sstevel@tonic-gate 84787c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 84797c478bd9Sstevel@tonic-gate if (lo != NULL) { 8480d216dff5SRobert Mastors cp = lo->rl_client; 84817c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 84827c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 8483d216dff5SRobert Mastors rfs4_dbe_hold(cp->rc_dbe); 84847c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 84857c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 84867c478bd9Sstevel@tonic-gate } 8487d216dff5SRobert Mastors dp->owner.clientid = lo->rl_owner.clientid; 8488d216dff5SRobert Mastors len = lo->rl_owner.owner_len; 84897c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 8490d216dff5SRobert Mastors bcopy(lo->rl_owner.owner_val, dp->owner.owner_val, len); 84917c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 84927c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 84937c478bd9Sstevel@tonic-gate goto finish; 84947c478bd9Sstevel@tonic-gate } 84957c478bd9Sstevel@tonic-gate 84967c478bd9Sstevel@tonic-gate /* 84977c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 84987c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 84997c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 85007c478bd9Sstevel@tonic-gate * the lock owner to the pid. 85017c478bd9Sstevel@tonic-gate */ 85027c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 85037c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 85047c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 85057c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 85067c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 85077c478bd9Sstevel@tonic-gate finish: 85087c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 85097c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 85107c478bd9Sstevel@tonic-gate 85117c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 85127c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 85137c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 85147c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 85157c478bd9Sstevel@tonic-gate else 85167c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 85177c478bd9Sstevel@tonic-gate 85187c478bd9Sstevel@tonic-gate return (NFS4_OK); 85197c478bd9Sstevel@tonic-gate } 85207c478bd9Sstevel@tonic-gate 85217c478bd9Sstevel@tonic-gate static int 85227c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 85237c478bd9Sstevel@tonic-gate { 85247c478bd9Sstevel@tonic-gate int error; 85257c478bd9Sstevel@tonic-gate struct flock64 flk; 85267c478bd9Sstevel@tonic-gate int i; 85277c478bd9Sstevel@tonic-gate clock_t delaytime; 8528da6c28aaSamw int cmd; 85297c478bd9Sstevel@tonic-gate 8530da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 85317c478bd9Sstevel@tonic-gate retry: 85327c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 85337c478bd9Sstevel@tonic-gate 85347c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 8535da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 8536da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 8537da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 85387c478bd9Sstevel@tonic-gate 85397c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 85407c478bd9Sstevel@tonic-gate break; 85417c478bd9Sstevel@tonic-gate 85427c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 85437c478bd9Sstevel@tonic-gate delay(delaytime); 85447c478bd9Sstevel@tonic-gate delaytime *= 2; 85457c478bd9Sstevel@tonic-gate } 85467c478bd9Sstevel@tonic-gate } 85477c478bd9Sstevel@tonic-gate 85487c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 85497c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 85507c478bd9Sstevel@tonic-gate flk = *flock; 85517c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 8552da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 8553da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 85547c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 85557c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 85567c478bd9Sstevel@tonic-gate goto retry; 85577c478bd9Sstevel@tonic-gate } 85587c478bd9Sstevel@tonic-gate *flock = flk; 85597c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 85601b300de9Sjwahlig F_GETLK, &flk); 85617c478bd9Sstevel@tonic-gate } 85627c478bd9Sstevel@tonic-gate } 85637c478bd9Sstevel@tonic-gate 85647c478bd9Sstevel@tonic-gate return (error); 85657c478bd9Sstevel@tonic-gate } 85667c478bd9Sstevel@tonic-gate 85677c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85687c478bd9Sstevel@tonic-gate static nfsstat4 8569d216dff5SRobert Mastors rfs4_do_lock(rfs4_lo_state_t *lsp, nfs_lock_type4 locktype, 8570d216dff5SRobert Mastors offset4 offset, length4 length, cred_t *cred, nfs_resop4 *resop) 85717c478bd9Sstevel@tonic-gate { 85727c478bd9Sstevel@tonic-gate nfsstat4 status; 8573d216dff5SRobert Mastors rfs4_lockowner_t *lo = lsp->rls_locker; 8574d216dff5SRobert Mastors rfs4_state_t *sp = lsp->rls_state; 85757c478bd9Sstevel@tonic-gate struct flock64 flock; 85767c478bd9Sstevel@tonic-gate int16_t ltype; 85777c478bd9Sstevel@tonic-gate int flag; 85787c478bd9Sstevel@tonic-gate int error; 85797c478bd9Sstevel@tonic-gate sysid_t sysid; 85807c478bd9Sstevel@tonic-gate LOCK4res *lres; 85817c478bd9Sstevel@tonic-gate 8582d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 85837c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 85847c478bd9Sstevel@tonic-gate } 85857c478bd9Sstevel@tonic-gate 8586d216dff5SRobert Mastors if ((status = rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 85877c478bd9Sstevel@tonic-gate return (status); 85887c478bd9Sstevel@tonic-gate 85897c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 85907c478bd9Sstevel@tonic-gate if (length == 0) 85917c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 85927c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 85937c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 85947c478bd9Sstevel@tonic-gate 85957c478bd9Sstevel@tonic-gate retry: 8596d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 8597d216dff5SRobert Mastors if (sp->rs_closed) { 8598d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 8599d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 8600d216dff5SRobert Mastors } 86017c478bd9Sstevel@tonic-gate 86027c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 86037c478bd9Sstevel@tonic-gate switch (locktype) { 86047c478bd9Sstevel@tonic-gate case READ_LT: 86057c478bd9Sstevel@tonic-gate case READW_LT: 8606d216dff5SRobert Mastors if ((sp->rs_share_access 86077c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 8608d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86097c478bd9Sstevel@tonic-gate 86107c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 86117c478bd9Sstevel@tonic-gate } 86127c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 86137c478bd9Sstevel@tonic-gate break; 86147c478bd9Sstevel@tonic-gate case WRITE_LT: 86157c478bd9Sstevel@tonic-gate case WRITEW_LT: 8616d216dff5SRobert Mastors if ((sp->rs_share_access 86177c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 8618d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86197c478bd9Sstevel@tonic-gate 86207c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 86217c478bd9Sstevel@tonic-gate } 86227c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 86237c478bd9Sstevel@tonic-gate break; 86247c478bd9Sstevel@tonic-gate } 86257c478bd9Sstevel@tonic-gate } else 86267c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 86277c478bd9Sstevel@tonic-gate 86287c478bd9Sstevel@tonic-gate flock.l_type = ltype; 86297c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 86307c478bd9Sstevel@tonic-gate flock.l_start = offset; 86317c478bd9Sstevel@tonic-gate flock.l_len = length; 86327c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 8633d216dff5SRobert Mastors flock.l_pid = lsp->rls_locker->rl_pid; 86347c478bd9Sstevel@tonic-gate 86357c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 86367c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 8637d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86387c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 86397c478bd9Sstevel@tonic-gate } 86407c478bd9Sstevel@tonic-gate 86417c478bd9Sstevel@tonic-gate /* 86427c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 86437c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 86447c478bd9Sstevel@tonic-gate */ 8645d216dff5SRobert Mastors flag = (int)sp->rs_share_access | F_REMOTELOCK; 86467c478bd9Sstevel@tonic-gate 8647d216dff5SRobert Mastors error = setlock(sp->rs_finfo->rf_vp, &flock, flag, cred); 86487c478bd9Sstevel@tonic-gate if (error == 0) { 8649d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 8650d216dff5SRobert Mastors next_stateid(&lsp->rls_lockid); 8651d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 86527c478bd9Sstevel@tonic-gate } 86537c478bd9Sstevel@tonic-gate 8654d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86557c478bd9Sstevel@tonic-gate 86567c478bd9Sstevel@tonic-gate /* 86577c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 86587c478bd9Sstevel@tonic-gate * than puterrno4 routine. 86597c478bd9Sstevel@tonic-gate */ 86607c478bd9Sstevel@tonic-gate switch (error) { 86617c478bd9Sstevel@tonic-gate case 0: 86627c478bd9Sstevel@tonic-gate status = NFS4_OK; 86637c478bd9Sstevel@tonic-gate break; 86647c478bd9Sstevel@tonic-gate case EAGAIN: 86657c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 86667c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 86677c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 86687c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 86697c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 86707c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 86711b300de9Sjwahlig == NFS4ERR_EXPIRED) 86727c478bd9Sstevel@tonic-gate goto retry; 86737c478bd9Sstevel@tonic-gate break; 86747c478bd9Sstevel@tonic-gate case ENOLCK: 86757c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 86767c478bd9Sstevel@tonic-gate break; 86777c478bd9Sstevel@tonic-gate case EOVERFLOW: 86787c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 86797c478bd9Sstevel@tonic-gate break; 86807c478bd9Sstevel@tonic-gate case EINVAL: 86817c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 86827c478bd9Sstevel@tonic-gate break; 86837c478bd9Sstevel@tonic-gate default: 86847c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 86857c478bd9Sstevel@tonic-gate break; 86867c478bd9Sstevel@tonic-gate } 86877c478bd9Sstevel@tonic-gate 86887c478bd9Sstevel@tonic-gate return (status); 86897c478bd9Sstevel@tonic-gate } 86907c478bd9Sstevel@tonic-gate 86917c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 86927c478bd9Sstevel@tonic-gate void 86937c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 8694d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 86957c478bd9Sstevel@tonic-gate { 86967c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 86977c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 86987c478bd9Sstevel@tonic-gate nfsstat4 status; 86997c478bd9Sstevel@tonic-gate stateid4 *stateid; 87007c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 87017c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 87027c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 87037c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 87047c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 87057c478bd9Sstevel@tonic-gate bool_t create = TRUE; 87067c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 87077c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 87087c478bd9Sstevel@tonic-gate int rc; 87097c478bd9Sstevel@tonic-gate 8710f3b585ceSsamf DTRACE_NFSV4_2(op__lock__start, struct compound_state *, cs, 8711f3b585ceSsamf LOCK4args *, args); 8712f3b585ceSsamf 87137c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 87147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8715f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8716f3b585ceSsamf cs, LOCK4res *, resp); 87177c478bd9Sstevel@tonic-gate return; 87187c478bd9Sstevel@tonic-gate } 87197c478bd9Sstevel@tonic-gate 87207c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 87217c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 87227c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 87237c478bd9Sstevel@tonic-gate 87247c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 87257c478bd9Sstevel@tonic-gate 87267c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 87277c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 87287c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 87297c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87301b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 87317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8732f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8733f3b585ceSsamf cs, LOCK4res *, resp); 87347c478bd9Sstevel@tonic-gate return; 87357c478bd9Sstevel@tonic-gate } 87367c478bd9Sstevel@tonic-gate 87377c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8738d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 87397c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 87407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8741f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8742f3b585ceSsamf cs, LOCK4res *, resp); 87437c478bd9Sstevel@tonic-gate return; 87447c478bd9Sstevel@tonic-gate } 87457c478bd9Sstevel@tonic-gate 87467c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8747d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 87487c478bd9Sstevel@tonic-gate 87497c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 87507c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 87517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87527c478bd9Sstevel@tonic-gate goto end; 87537c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 87547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87557c478bd9Sstevel@tonic-gate goto end; 87567c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 87577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 87587c478bd9Sstevel@tonic-gate goto end; 87597c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 87607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87617c478bd9Sstevel@tonic-gate goto end; 87627c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 87637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87647c478bd9Sstevel@tonic-gate goto end; 87657c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 87667c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 87677c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 8768d216dff5SRobert Mastors sp->rs_owner, resop)) { 87697c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 87707c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 87717c478bd9Sstevel@tonic-gate break; 87727c478bd9Sstevel@tonic-gate /* 87737c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 87747c478bd9Sstevel@tonic-gate * matches next expected, then client 87757c478bd9Sstevel@tonic-gate * is using wrong seqid. 87767c478bd9Sstevel@tonic-gate */ 87777c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 87787c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 87791b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 87807c478bd9Sstevel@tonic-gate goto end; 87817c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 87827c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 87837c478bd9Sstevel@tonic-gate dup_lock = TRUE; 87847c478bd9Sstevel@tonic-gate 87857c478bd9Sstevel@tonic-gate /* 87867c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 87877c478bd9Sstevel@tonic-gate * create a new lockowner as it should 87887c478bd9Sstevel@tonic-gate * already exist. 87897c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 87907c478bd9Sstevel@tonic-gate */ 87917c478bd9Sstevel@tonic-gate lcreate = FALSE; 87927c478bd9Sstevel@tonic-gate } 87937c478bd9Sstevel@tonic-gate break; 87947c478bd9Sstevel@tonic-gate } 87957c478bd9Sstevel@tonic-gate 87967c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 87977c478bd9Sstevel@tonic-gate if (lo == NULL) { 87987c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87991b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no lock owner")); 88007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 88017c478bd9Sstevel@tonic-gate goto end; 88027c478bd9Sstevel@tonic-gate } 88037c478bd9Sstevel@tonic-gate 88047c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 88057c478bd9Sstevel@tonic-gate if (lsp == NULL) { 8806d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 88077c478bd9Sstevel@tonic-gate /* 88087c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 88097c478bd9Sstevel@tonic-gate * a duplicate request 88107c478bd9Sstevel@tonic-gate */ 88117c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8812d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88137c478bd9Sstevel@tonic-gate } 88147c478bd9Sstevel@tonic-gate 88157c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88161b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no state")); 88177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 8818d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 88197c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88207c478bd9Sstevel@tonic-gate goto end; 88217c478bd9Sstevel@tonic-gate } 88227c478bd9Sstevel@tonic-gate 88237c478bd9Sstevel@tonic-gate /* 88247c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 88257c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 88267c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 88277c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 88287c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 88297c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 88307c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 88317c478bd9Sstevel@tonic-gate * existing lock_owner branch. 88327c478bd9Sstevel@tonic-gate */ 88337c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 8834d216dff5SRobert Mastors if (lsp->rls_lock_completed == TRUE) { 88357c478bd9Sstevel@tonic-gate *cs->statusp = 88361b300de9Sjwahlig resp->status = NFS4ERR_BAD_SEQID; 88377c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88387c478bd9Sstevel@tonic-gate goto end; 88397c478bd9Sstevel@tonic-gate } 88407c478bd9Sstevel@tonic-gate } 88417c478bd9Sstevel@tonic-gate 8842d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 88437c478bd9Sstevel@tonic-gate 88447c478bd9Sstevel@tonic-gate /* 88457c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 88467c478bd9Sstevel@tonic-gate * a duplicate request 88477c478bd9Sstevel@tonic-gate */ 88487c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8849d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88507c478bd9Sstevel@tonic-gate } 88517c478bd9Sstevel@tonic-gate 88527c478bd9Sstevel@tonic-gate /* 88537c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 88547c478bd9Sstevel@tonic-gate * previously saved reply and return. 88557c478bd9Sstevel@tonic-gate */ 88567c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 88577c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 8858d216dff5SRobert Mastors if (lsp->rls_seqid != olo->lock_seqid) { 88597c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88601b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 88611b300de9Sjwahlig "lsp->seqid=%d old->seqid=%d", 8862d216dff5SRobert Mastors lsp->rls_seqid, olo->lock_seqid)); 88637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88647c478bd9Sstevel@tonic-gate } else { 8865d216dff5SRobert Mastors rfs4_copy_reply(resop, &lsp->rls_reply); 88667c478bd9Sstevel@tonic-gate /* 88677c478bd9Sstevel@tonic-gate * Make sure to copy the just 88687c478bd9Sstevel@tonic-gate * retrieved reply status into the 88697c478bd9Sstevel@tonic-gate * overall compound status 88707c478bd9Sstevel@tonic-gate */ 88717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 88727c478bd9Sstevel@tonic-gate } 88737c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88747c478bd9Sstevel@tonic-gate goto end; 88757c478bd9Sstevel@tonic-gate } 88767c478bd9Sstevel@tonic-gate 8877d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 88787c478bd9Sstevel@tonic-gate 88797c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 8880d216dff5SRobert Mastors lsp->rls_seqid = olo->lock_seqid; 88817c478bd9Sstevel@tonic-gate 88827c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 8883d216dff5SRobert Mastors (CE_NOTE, "Lock seqid established as %d", lsp->rls_seqid)); 88847c478bd9Sstevel@tonic-gate 88857c478bd9Sstevel@tonic-gate /* 88867c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 88877c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 88887c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 88897c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 88907c478bd9Sstevel@tonic-gate */ 8891d216dff5SRobert Mastors lsp->rls_skip_seqid_check = TRUE; 88927c478bd9Sstevel@tonic-gate 88937c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8894d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 88957c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 88967c478bd9Sstevel@tonic-gate 8897d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 88987c478bd9Sstevel@tonic-gate 88997c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 89007c478bd9Sstevel@tonic-gate } else { 89017c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 89027c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 89037c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 89047c478bd9Sstevel@tonic-gate != NFS4_OK) { 89057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8906f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8907f3b585ceSsamf cs, LOCK4res *, resp); 89087c478bd9Sstevel@tonic-gate return; 89097c478bd9Sstevel@tonic-gate } 89107c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 89117c478bd9Sstevel@tonic-gate 89127c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8913d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 89147c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8916f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8917f3b585ceSsamf cs, LOCK4res *, resp); 89187c478bd9Sstevel@tonic-gate return; 89197c478bd9Sstevel@tonic-gate } 89207c478bd9Sstevel@tonic-gate 89217c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8922d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 89237c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 89247c478bd9Sstevel@tonic-gate 89257c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 89267c478bd9Sstevel@tonic-gate /* 89277c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 89287c478bd9Sstevel@tonic-gate * the next one) 89297c478bd9Sstevel@tonic-gate */ 89307c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 89317c478bd9Sstevel@tonic-gate /* 89327c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 89337c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 89347c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 89357c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 89367c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 89377c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 89387c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 89397c478bd9Sstevel@tonic-gate * updated. That case is handled below when 89407c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 89417c478bd9Sstevel@tonic-gate * second is the case where an error is 89427c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 89437c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 89447c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 89457c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 89467c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 89477c478bd9Sstevel@tonic-gate * replay but it is okay. 89487c478bd9Sstevel@tonic-gate */ 89497c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 89501b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 89511b300de9Sjwahlig lsp, resop)) { 89527c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 89537c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 89547c478bd9Sstevel@tonic-gate /* 89557c478bd9Sstevel@tonic-gate * Here is our replay and need 89567c478bd9Sstevel@tonic-gate * to verify that the last 89577c478bd9Sstevel@tonic-gate * response was an error. 89587c478bd9Sstevel@tonic-gate */ 89597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 89607c478bd9Sstevel@tonic-gate goto end; 89617c478bd9Sstevel@tonic-gate } 89627c478bd9Sstevel@tonic-gate /* 89637c478bd9Sstevel@tonic-gate * This is done since the sequence id 89647c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 89657c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 89667c478bd9Sstevel@tonic-gate * returned as a result. 89677c478bd9Sstevel@tonic-gate */ 89687c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 89697c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 89701b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89717c478bd9Sstevel@tonic-gate goto end; 89727c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89737c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 89747c478bd9Sstevel@tonic-gate break; 89757c478bd9Sstevel@tonic-gate } 89767c478bd9Sstevel@tonic-gate break; 89777c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 89787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89797c478bd9Sstevel@tonic-gate goto end; 89807c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 89817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 89827c478bd9Sstevel@tonic-gate goto end; 89837c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 89847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 89857c478bd9Sstevel@tonic-gate goto end; 89867c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 89877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89887c478bd9Sstevel@tonic-gate goto end; 89897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 89907c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 89911b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 89921b300de9Sjwahlig lsp, resop)) { 89937c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89947c478bd9Sstevel@tonic-gate /* 89957c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 89967c478bd9Sstevel@tonic-gate * seqid matches the next expected, 89977c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 89987c478bd9Sstevel@tonic-gate */ 89997c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 90001b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 90017c478bd9Sstevel@tonic-gate goto end; 90027c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9003d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90047c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 90057c478bd9Sstevel@tonic-gate goto end; 90067c478bd9Sstevel@tonic-gate } 90077c478bd9Sstevel@tonic-gate break; 90087c478bd9Sstevel@tonic-gate default: 90097c478bd9Sstevel@tonic-gate ASSERT(FALSE); 90107c478bd9Sstevel@tonic-gate break; 90117c478bd9Sstevel@tonic-gate } 90127c478bd9Sstevel@tonic-gate 90137c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9014d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90157c478bd9Sstevel@tonic-gate } 90167c478bd9Sstevel@tonic-gate 90177c478bd9Sstevel@tonic-gate /* 90187c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90197c478bd9Sstevel@tonic-gate * verify type of object. 90207c478bd9Sstevel@tonic-gate */ 90217c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 90227c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 90237c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 90247c478bd9Sstevel@tonic-gate else 90257c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 90267c478bd9Sstevel@tonic-gate goto out; 90277c478bd9Sstevel@tonic-gate } 90287c478bd9Sstevel@tonic-gate 9029d216dff5SRobert Mastors cp = lsp->rls_state->rs_owner->ro_client; 90307c478bd9Sstevel@tonic-gate 90317c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 90327c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 90337c478bd9Sstevel@tonic-gate goto out; 90347c478bd9Sstevel@tonic-gate } 90357c478bd9Sstevel@tonic-gate 9036d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->rc_can_reclaim) { 90377c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 90387c478bd9Sstevel@tonic-gate goto out; 90397c478bd9Sstevel@tonic-gate } 90407c478bd9Sstevel@tonic-gate 90417c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 90427c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 90437c478bd9Sstevel@tonic-gate goto out; 90447c478bd9Sstevel@tonic-gate } 90457c478bd9Sstevel@tonic-gate 9046d216dff5SRobert Mastors if (lsp->rls_state->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE) 90477c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 90487c478bd9Sstevel@tonic-gate 90497c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 90501b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 90517c478bd9Sstevel@tonic-gate 90527c478bd9Sstevel@tonic-gate out: 9053d216dff5SRobert Mastors lsp->rls_skip_seqid_check = FALSE; 90547c478bd9Sstevel@tonic-gate 90557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 90567c478bd9Sstevel@tonic-gate 90577c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 9058d216dff5SRobert Mastors resp->LOCK4res_u.lock_stateid = lsp->rls_lockid.stateid; 9059d216dff5SRobert Mastors lsp->rls_lock_completed = TRUE; 90607c478bd9Sstevel@tonic-gate } 90617c478bd9Sstevel@tonic-gate /* 90627c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 90637c478bd9Sstevel@tonic-gate * lock_owner 90647c478bd9Sstevel@tonic-gate */ 90657c478bd9Sstevel@tonic-gate if (sp) 9066d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 90677c478bd9Sstevel@tonic-gate 90687c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 90697c478bd9Sstevel@tonic-gate 90707c478bd9Sstevel@tonic-gate end: 90717c478bd9Sstevel@tonic-gate if (lsp) { 90727c478bd9Sstevel@tonic-gate if (ls_sw_held) 9073d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 90747c478bd9Sstevel@tonic-gate /* 90757c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 90767c478bd9Sstevel@tonic-gate * a lock on the file struct. 90777c478bd9Sstevel@tonic-gate */ 90787c478bd9Sstevel@tonic-gate if (sp != NULL) 90797c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 90807c478bd9Sstevel@tonic-gate else 90817c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 90827c478bd9Sstevel@tonic-gate } 90837c478bd9Sstevel@tonic-gate if (sp) { 9084d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 90857c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 90867c478bd9Sstevel@tonic-gate } 9087f3b585ceSsamf 9088f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, cs, 9089f3b585ceSsamf LOCK4res *, resp); 90907c478bd9Sstevel@tonic-gate } 90917c478bd9Sstevel@tonic-gate 90927c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 90937c478bd9Sstevel@tonic-gate static void 90947c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 90957c478bd9Sstevel@tonic-gate { 90967c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 90977c478bd9Sstevel@tonic-gate 90987c478bd9Sstevel@tonic-gate switch (resop->resop) { 90997c478bd9Sstevel@tonic-gate case OP_LOCK: 91007c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 91017c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 91027c478bd9Sstevel@tonic-gate break; 91037c478bd9Sstevel@tonic-gate case OP_LOCKT: 91047c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 91057c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 91067c478bd9Sstevel@tonic-gate break; 91077c478bd9Sstevel@tonic-gate default: 91087c478bd9Sstevel@tonic-gate break; 91097c478bd9Sstevel@tonic-gate } 91107c478bd9Sstevel@tonic-gate 91117c478bd9Sstevel@tonic-gate if (dp) 91127c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 91137c478bd9Sstevel@tonic-gate } 91147c478bd9Sstevel@tonic-gate 91157c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 91167c478bd9Sstevel@tonic-gate void 91177c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 9118d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 91197c478bd9Sstevel@tonic-gate { 91207c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 91217c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 91227c478bd9Sstevel@tonic-gate nfsstat4 status; 91237c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 91247c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 91257c478bd9Sstevel@tonic-gate 9126f3b585ceSsamf DTRACE_NFSV4_2(op__locku__start, struct compound_state *, cs, 9127f3b585ceSsamf LOCKU4args *, args); 9128f3b585ceSsamf 91297c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 91307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9131f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9132f3b585ceSsamf LOCKU4res *, resp); 91337c478bd9Sstevel@tonic-gate return; 91347c478bd9Sstevel@tonic-gate } 91357c478bd9Sstevel@tonic-gate 91367c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 91377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 9138f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9139f3b585ceSsamf LOCKU4res *, resp); 91407c478bd9Sstevel@tonic-gate return; 91417c478bd9Sstevel@tonic-gate } 91427c478bd9Sstevel@tonic-gate 91437c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 9144d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 91457c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 91467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 9147f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9148f3b585ceSsamf LOCKU4res *, resp); 91497c478bd9Sstevel@tonic-gate return; 91507c478bd9Sstevel@tonic-gate } 91517c478bd9Sstevel@tonic-gate 91527c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 9153d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 91547c478bd9Sstevel@tonic-gate 91557c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 91567c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 91577c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 91587c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 91597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91607c478bd9Sstevel@tonic-gate goto end; 91617c478bd9Sstevel@tonic-gate } 91627c478bd9Sstevel@tonic-gate break; 91637c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 91647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91657c478bd9Sstevel@tonic-gate goto end; 91667c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 91677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 91687c478bd9Sstevel@tonic-gate goto end; 91697c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 91707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 91717c478bd9Sstevel@tonic-gate goto end; 91727c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 91737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91747c478bd9Sstevel@tonic-gate goto end; 91757c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 91767c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 91777c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 91787c478bd9Sstevel@tonic-gate /* 91797c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 91807c478bd9Sstevel@tonic-gate * seqid matches the next expected, 91817c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 91827c478bd9Sstevel@tonic-gate */ 91837c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 91841b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91857c478bd9Sstevel@tonic-gate goto end; 91867c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9187d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 91887c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 91897c478bd9Sstevel@tonic-gate goto end; 91907c478bd9Sstevel@tonic-gate } 91917c478bd9Sstevel@tonic-gate break; 91927c478bd9Sstevel@tonic-gate default: 91937c478bd9Sstevel@tonic-gate ASSERT(FALSE); 91947c478bd9Sstevel@tonic-gate break; 91957c478bd9Sstevel@tonic-gate } 91967c478bd9Sstevel@tonic-gate 91977c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9198d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 91997c478bd9Sstevel@tonic-gate 92007c478bd9Sstevel@tonic-gate /* 92017c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92027c478bd9Sstevel@tonic-gate * verify type of object. 92037c478bd9Sstevel@tonic-gate */ 92047c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92057c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92067c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 92077c478bd9Sstevel@tonic-gate else 92087c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 92097c478bd9Sstevel@tonic-gate goto out; 92107c478bd9Sstevel@tonic-gate } 92117c478bd9Sstevel@tonic-gate 9212d216dff5SRobert Mastors if (rfs4_clnt_in_grace(lsp->rls_state->rs_owner->ro_client)) { 92137c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 92147c478bd9Sstevel@tonic-gate goto out; 92157c478bd9Sstevel@tonic-gate } 92167c478bd9Sstevel@tonic-gate 92177c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 9218d216dff5SRobert Mastors args->offset, args->length, cs->cr, resop); 92197c478bd9Sstevel@tonic-gate 92207c478bd9Sstevel@tonic-gate out: 92217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 92227c478bd9Sstevel@tonic-gate 92237c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 9224d216dff5SRobert Mastors resp->lock_stateid = lsp->rls_lockid.stateid; 92257c478bd9Sstevel@tonic-gate 92267c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 92277c478bd9Sstevel@tonic-gate 92287c478bd9Sstevel@tonic-gate end: 9229d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 92307c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 9231f3b585ceSsamf 9232f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9233f3b585ceSsamf LOCKU4res *, resp); 92347c478bd9Sstevel@tonic-gate } 92357c478bd9Sstevel@tonic-gate 92367c478bd9Sstevel@tonic-gate /* 92377c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 92387c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 92397c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 92407c478bd9Sstevel@tonic-gate * and can not be accurate. 92417c478bd9Sstevel@tonic-gate */ 92427c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 92437c478bd9Sstevel@tonic-gate void 92447c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 9245d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 92467c478bd9Sstevel@tonic-gate { 92477c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 92487c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 92497c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 92507c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 92517c478bd9Sstevel@tonic-gate bool_t create = FALSE; 92527c478bd9Sstevel@tonic-gate struct flock64 flk; 92537c478bd9Sstevel@tonic-gate int error; 92547c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 92557c478bd9Sstevel@tonic-gate int ltype; 92567c478bd9Sstevel@tonic-gate length4 posix_length; 92577c478bd9Sstevel@tonic-gate sysid_t sysid; 92587c478bd9Sstevel@tonic-gate pid_t pid; 92597c478bd9Sstevel@tonic-gate 9260f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__start, struct compound_state *, cs, 9261f3b585ceSsamf LOCKT4args *, args); 9262f3b585ceSsamf 92637c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 92647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9265f3b585ceSsamf goto out; 92667c478bd9Sstevel@tonic-gate } 92677c478bd9Sstevel@tonic-gate 92687c478bd9Sstevel@tonic-gate /* 92697c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92707c478bd9Sstevel@tonic-gate * verify type of object. 92717c478bd9Sstevel@tonic-gate */ 92727c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92737c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 92757c478bd9Sstevel@tonic-gate else 92767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9277f3b585ceSsamf goto out; 92787c478bd9Sstevel@tonic-gate } 92797c478bd9Sstevel@tonic-gate 92807c478bd9Sstevel@tonic-gate /* 92817c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 92827c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 92837c478bd9Sstevel@tonic-gate */ 92847c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 92857c478bd9Sstevel@tonic-gate == NULL) { 92867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 92871b300de9Sjwahlig rfs4_check_clientid(&args->owner.clientid, 0); 9288f3b585ceSsamf goto out; 92897c478bd9Sstevel@tonic-gate } 92907c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 92917c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 92927c478bd9Sstevel@tonic-gate /* 92937c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 92947c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 92957c478bd9Sstevel@tonic-gate * is returned instead 92967c478bd9Sstevel@tonic-gate */ 92977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 9298f3b585ceSsamf goto out; 92997c478bd9Sstevel@tonic-gate } 93007c478bd9Sstevel@tonic-gate 9301d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && !(cp->rc_can_reclaim)) { 93027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 9303661cedadSvv rfs4_client_rele(cp); 9304f3b585ceSsamf goto out; 93057c478bd9Sstevel@tonic-gate } 93067c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 93077c478bd9Sstevel@tonic-gate 93087c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93097c478bd9Sstevel@tonic-gate 93107c478bd9Sstevel@tonic-gate switch (args->locktype) { 93117c478bd9Sstevel@tonic-gate case READ_LT: 93127c478bd9Sstevel@tonic-gate case READW_LT: 93137c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 93147c478bd9Sstevel@tonic-gate break; 93157c478bd9Sstevel@tonic-gate case WRITE_LT: 93167c478bd9Sstevel@tonic-gate case WRITEW_LT: 93177c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 93187c478bd9Sstevel@tonic-gate break; 93197c478bd9Sstevel@tonic-gate } 93207c478bd9Sstevel@tonic-gate 93217c478bd9Sstevel@tonic-gate posix_length = args->length; 93227c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 93237c478bd9Sstevel@tonic-gate if (posix_length == 0) { 93247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9325f3b585ceSsamf goto out; 93267c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 93277c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 93287c478bd9Sstevel@tonic-gate } 93297c478bd9Sstevel@tonic-gate 93307c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 93317c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 93327c478bd9Sstevel@tonic-gate 93337c478bd9Sstevel@tonic-gate if (lo) { 9334d216dff5SRobert Mastors pid = lo->rl_pid; 93357c478bd9Sstevel@tonic-gate if ((resp->status = 9336d216dff5SRobert Mastors rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 9337f3b585ceSsamf goto err; 93387c478bd9Sstevel@tonic-gate } else { 93397c478bd9Sstevel@tonic-gate pid = 0; 93407c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 93417c478bd9Sstevel@tonic-gate } 93427c478bd9Sstevel@tonic-gate retry: 93437c478bd9Sstevel@tonic-gate flk.l_type = ltype; 93447c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 93457c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 93467c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 93477c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 93487c478bd9Sstevel@tonic-gate flk.l_pid = pid; 93497c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 93507c478bd9Sstevel@tonic-gate 93517c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 93527c478bd9Sstevel@tonic-gate 93537c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 93547c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 93557c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 9356f3b585ceSsamf goto err; 93577c478bd9Sstevel@tonic-gate } 93587c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 9359da6c28aaSamw NULL, cs->cr, NULL); 93607c478bd9Sstevel@tonic-gate 93617c478bd9Sstevel@tonic-gate /* 93627c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 93637c478bd9Sstevel@tonic-gate * than puterrno4 routine. 93647c478bd9Sstevel@tonic-gate */ 93657c478bd9Sstevel@tonic-gate switch (error) { 93667c478bd9Sstevel@tonic-gate case 0: 93677c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 93687c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93697c478bd9Sstevel@tonic-gate else { 93707c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 93717c478bd9Sstevel@tonic-gate goto retry; 93727c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 93737c478bd9Sstevel@tonic-gate } 93747c478bd9Sstevel@tonic-gate break; 93757c478bd9Sstevel@tonic-gate case EOVERFLOW: 93767c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 93777c478bd9Sstevel@tonic-gate break; 93787c478bd9Sstevel@tonic-gate case EINVAL: 93797c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 93807c478bd9Sstevel@tonic-gate break; 93817c478bd9Sstevel@tonic-gate default: 93827c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 93831b300de9Sjwahlig error); 93847c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 93857c478bd9Sstevel@tonic-gate break; 93867c478bd9Sstevel@tonic-gate } 93877c478bd9Sstevel@tonic-gate 9388f3b585ceSsamf err: 93897c478bd9Sstevel@tonic-gate if (lo) 93907c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 93917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 9392f3b585ceSsamf out: 9393f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__done, struct compound_state *, cs, 9394f3b585ceSsamf LOCKT4res *, resp); 93957c478bd9Sstevel@tonic-gate } 93967c478bd9Sstevel@tonic-gate 9397d216dff5SRobert Mastors int 9398d216dff5SRobert Mastors rfs4_share(rfs4_state_t *sp, uint32_t access, uint32_t deny) 93997c478bd9Sstevel@tonic-gate { 94007c478bd9Sstevel@tonic-gate int err; 9401d216dff5SRobert Mastors int cmd; 9402d216dff5SRobert Mastors vnode_t *vp; 9403d216dff5SRobert Mastors struct shrlock shr; 9404d216dff5SRobert Mastors struct shr_locowner shr_loco; 9405d216dff5SRobert Mastors int fflags = 0; 94067c478bd9Sstevel@tonic-gate 9407d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9408d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 94097c478bd9Sstevel@tonic-gate 9410d216dff5SRobert Mastors if (sp->rs_closed) 9411d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 94127c478bd9Sstevel@tonic-gate 9413d216dff5SRobert Mastors vp = sp->rs_finfo->rf_vp; 9414d216dff5SRobert Mastors ASSERT(vp); 94157c478bd9Sstevel@tonic-gate 9416d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 94177c478bd9Sstevel@tonic-gate 9418d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_READ) { 94197c478bd9Sstevel@tonic-gate fflags |= FREAD; 94207c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 94217c478bd9Sstevel@tonic-gate } 9422d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_WRITE) { 94237c478bd9Sstevel@tonic-gate fflags |= FWRITE; 94247c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 94257c478bd9Sstevel@tonic-gate } 9426d216dff5SRobert Mastors ASSERT(shr.s_access); 9427d216dff5SRobert Mastors 9428d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_READ) 94297c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 9430d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_WRITE) 94317c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 94327c478bd9Sstevel@tonic-gate 9433d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9434d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 94357c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 94367c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 94377c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 94387c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 94397c478bd9Sstevel@tonic-gate 9440d216dff5SRobert Mastors cmd = nbl_need_check(vp) ? F_SHARE_NBMAND : F_SHARE; 9441d216dff5SRobert Mastors 9442d216dff5SRobert Mastors err = VOP_SHRLOCK(vp, cmd, &shr, fflags, CRED(), NULL); 9443d216dff5SRobert Mastors if (err != 0) { 9444d216dff5SRobert Mastors if (err == EAGAIN) 9445d216dff5SRobert Mastors err = NFS4ERR_SHARE_DENIED; 9446d216dff5SRobert Mastors else 9447d216dff5SRobert Mastors err = puterrno4(err); 9448d216dff5SRobert Mastors return (err); 9449d216dff5SRobert Mastors } 9450d216dff5SRobert Mastors 9451d216dff5SRobert Mastors sp->rs_share_access |= access; 9452d216dff5SRobert Mastors sp->rs_share_deny |= deny; 9453d216dff5SRobert Mastors 9454d216dff5SRobert Mastors return (0); 94557c478bd9Sstevel@tonic-gate } 94567c478bd9Sstevel@tonic-gate 9457d216dff5SRobert Mastors int 94587c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 94597c478bd9Sstevel@tonic-gate { 9460d216dff5SRobert Mastors int err; 9461d216dff5SRobert Mastors struct shrlock shr; 9462d216dff5SRobert Mastors struct shr_locowner shr_loco; 9463d216dff5SRobert Mastors 9464d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9465d216dff5SRobert Mastors 9466d216dff5SRobert Mastors if (sp->rs_closed || sp->rs_share_access == 0) 9467d216dff5SRobert Mastors return (0); 9468d216dff5SRobert Mastors 9469d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 9470d216dff5SRobert Mastors ASSERT(sp->rs_finfo->rf_vp); 9471d216dff5SRobert Mastors 9472d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9473d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9474d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 9475d216dff5SRobert Mastors shr_loco.sl_pid = shr.s_pid; 9476d216dff5SRobert Mastors shr_loco.sl_id = shr.s_sysid; 9477d216dff5SRobert Mastors shr.s_owner = (caddr_t)&shr_loco; 9478d216dff5SRobert Mastors shr.s_own_len = sizeof (shr_loco); 9479d216dff5SRobert Mastors 9480d216dff5SRobert Mastors err = VOP_SHRLOCK(sp->rs_finfo->rf_vp, F_UNSHARE, &shr, 0, CRED(), 9481d216dff5SRobert Mastors NULL); 9482d216dff5SRobert Mastors if (err != 0) { 9483d216dff5SRobert Mastors err = puterrno4(err); 9484d216dff5SRobert Mastors return (err); 9485d216dff5SRobert Mastors } 9486d216dff5SRobert Mastors 9487d216dff5SRobert Mastors sp->rs_share_access = 0; 9488d216dff5SRobert Mastors sp->rs_share_deny = 0; 9489d216dff5SRobert Mastors 9490d216dff5SRobert Mastors return (0); 9491d216dff5SRobert Mastors 94927c478bd9Sstevel@tonic-gate } 94930a701b1eSRobert Gordon 94940a701b1eSRobert Gordon static int 9495f837ee4aSSiddheshwar Mahesh rdma_setup_read_data4(READ4args *args, READ4res *rok) 94960a701b1eSRobert Gordon { 94970a701b1eSRobert Gordon struct clist *wcl; 94980a701b1eSRobert Gordon count4 count = rok->data_len; 9499f837ee4aSSiddheshwar Mahesh int wlist_len; 95000a701b1eSRobert Gordon 95010a701b1eSRobert Gordon wcl = args->wlist; 9502f837ee4aSSiddheshwar Mahesh if (rdma_setup_read_chunks(wcl, count, &wlist_len) == FALSE) { 95030a701b1eSRobert Gordon return (FALSE); 95040a701b1eSRobert Gordon } 95050a701b1eSRobert Gordon wcl = args->wlist; 9506f837ee4aSSiddheshwar Mahesh rok->wlist_len = wlist_len; 95070a701b1eSRobert Gordon rok->wlist = wcl; 95080a701b1eSRobert Gordon return (TRUE); 95090a701b1eSRobert Gordon } 95102f172c55SRobert Thurlow 95112f172c55SRobert Thurlow /* tunable to disable server referrals */ 95122f172c55SRobert Thurlow int rfs4_no_referrals = 0; 95132f172c55SRobert Thurlow 95142f172c55SRobert Thurlow /* 95152f172c55SRobert Thurlow * Find an NFS record in reparse point data. 95162f172c55SRobert Thurlow * Returns 0 for success and <0 or an errno value on failure. 95172f172c55SRobert Thurlow */ 95182f172c55SRobert Thurlow int 95192f172c55SRobert Thurlow vn_find_nfs_record(vnode_t *vp, nvlist_t **nvlp, char **svcp, char **datap) 95202f172c55SRobert Thurlow { 95212f172c55SRobert Thurlow int err; 95222f172c55SRobert Thurlow char *stype, *val; 95232f172c55SRobert Thurlow nvlist_t *nvl; 95242f172c55SRobert Thurlow nvpair_t *curr; 95252f172c55SRobert Thurlow 95262f172c55SRobert Thurlow if ((nvl = reparse_init()) == NULL) 95272f172c55SRobert Thurlow return (-1); 95282f172c55SRobert Thurlow 95292f172c55SRobert Thurlow if ((err = reparse_vnode_parse(vp, nvl)) != 0) { 95302f172c55SRobert Thurlow reparse_free(nvl); 95312f172c55SRobert Thurlow return (err); 95322f172c55SRobert Thurlow } 95332f172c55SRobert Thurlow 95342f172c55SRobert Thurlow curr = NULL; 95352f172c55SRobert Thurlow while ((curr = nvlist_next_nvpair(nvl, curr)) != NULL) { 95362f172c55SRobert Thurlow if ((stype = nvpair_name(curr)) == NULL) { 95372f172c55SRobert Thurlow reparse_free(nvl); 95382f172c55SRobert Thurlow return (-2); 95392f172c55SRobert Thurlow } 95402f172c55SRobert Thurlow if (strncasecmp(stype, "NFS", 3) == 0) 95412f172c55SRobert Thurlow break; 95422f172c55SRobert Thurlow } 95432f172c55SRobert Thurlow 95442f172c55SRobert Thurlow if ((curr == NULL) || 95452f172c55SRobert Thurlow (nvpair_value_string(curr, &val))) { 95462f172c55SRobert Thurlow reparse_free(nvl); 95472f172c55SRobert Thurlow return (-3); 95482f172c55SRobert Thurlow } 95492f172c55SRobert Thurlow *nvlp = nvl; 95502f172c55SRobert Thurlow *svcp = stype; 95512f172c55SRobert Thurlow *datap = val; 95522f172c55SRobert Thurlow return (0); 95532f172c55SRobert Thurlow } 95542f172c55SRobert Thurlow 95552f172c55SRobert Thurlow int 95562f172c55SRobert Thurlow vn_is_nfs_reparse(vnode_t *vp, cred_t *cr) 95572f172c55SRobert Thurlow { 95582f172c55SRobert Thurlow nvlist_t *nvl; 95592f172c55SRobert Thurlow char *s, *d; 95602f172c55SRobert Thurlow 95612f172c55SRobert Thurlow if (rfs4_no_referrals != 0) 95622f172c55SRobert Thurlow return (B_FALSE); 95632f172c55SRobert Thurlow 95642f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 95652f172c55SRobert Thurlow return (B_FALSE); 95662f172c55SRobert Thurlow 95672f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &s, &d) != 0) 95682f172c55SRobert Thurlow return (B_FALSE); 95692f172c55SRobert Thurlow 95702f172c55SRobert Thurlow reparse_free(nvl); 95712f172c55SRobert Thurlow 95722f172c55SRobert Thurlow return (B_TRUE); 95732f172c55SRobert Thurlow } 95742f172c55SRobert Thurlow 95752f172c55SRobert Thurlow /* 95762f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 95772f172c55SRobert Thurlow * Changes should be kept in sync. 95782f172c55SRobert Thurlow */ 95792f172c55SRobert Thurlow static int 95802f172c55SRobert Thurlow nfs4_create_components(char *path, component4 *comp4) 95812f172c55SRobert Thurlow { 95822f172c55SRobert Thurlow int slen, plen, ncomp; 95832f172c55SRobert Thurlow char *ori_path, *nxtc, buf[MAXNAMELEN]; 95842f172c55SRobert Thurlow 95852f172c55SRobert Thurlow if (path == NULL) 95862f172c55SRobert Thurlow return (0); 95872f172c55SRobert Thurlow 95882f172c55SRobert Thurlow plen = strlen(path) + 1; /* include the terminator */ 95892f172c55SRobert Thurlow ori_path = path; 95902f172c55SRobert Thurlow ncomp = 0; 95912f172c55SRobert Thurlow 95922f172c55SRobert Thurlow /* count number of components in the path */ 95932f172c55SRobert Thurlow for (nxtc = path; nxtc < ori_path + plen; nxtc++) { 95942f172c55SRobert Thurlow if (*nxtc == '/' || *nxtc == '\0' || *nxtc == '\n') { 95952f172c55SRobert Thurlow if ((slen = nxtc - path) == 0) { 95962f172c55SRobert Thurlow path = nxtc + 1; 95972f172c55SRobert Thurlow continue; 95982f172c55SRobert Thurlow } 95992f172c55SRobert Thurlow 96002f172c55SRobert Thurlow if (comp4 != NULL) { 96012f172c55SRobert Thurlow bcopy(path, buf, slen); 96022f172c55SRobert Thurlow buf[slen] = '\0'; 96035301ec54SRobert Thurlow (void) str_to_utf8(buf, &comp4[ncomp]); 96042f172c55SRobert Thurlow } 96052f172c55SRobert Thurlow 96062f172c55SRobert Thurlow ncomp++; /* 1 valid component */ 96072f172c55SRobert Thurlow path = nxtc + 1; 96082f172c55SRobert Thurlow } 96092f172c55SRobert Thurlow if (*nxtc == '\0' || *nxtc == '\n') 96102f172c55SRobert Thurlow break; 96112f172c55SRobert Thurlow } 96122f172c55SRobert Thurlow 96132f172c55SRobert Thurlow return (ncomp); 96142f172c55SRobert Thurlow } 96152f172c55SRobert Thurlow 96162f172c55SRobert Thurlow /* 96172f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 96182f172c55SRobert Thurlow * Changes should be kept in sync. 96192f172c55SRobert Thurlow */ 96202f172c55SRobert Thurlow static int 96212f172c55SRobert Thurlow make_pathname4(char *path, pathname4 *pathname) 96222f172c55SRobert Thurlow { 96232f172c55SRobert Thurlow int ncomp; 96242f172c55SRobert Thurlow component4 *comp4; 96252f172c55SRobert Thurlow 96262f172c55SRobert Thurlow if (pathname == NULL) 96272f172c55SRobert Thurlow return (0); 96282f172c55SRobert Thurlow 96292f172c55SRobert Thurlow if (path == NULL) { 96302f172c55SRobert Thurlow pathname->pathname4_val = NULL; 96312f172c55SRobert Thurlow pathname->pathname4_len = 0; 96322f172c55SRobert Thurlow return (0); 96332f172c55SRobert Thurlow } 96342f172c55SRobert Thurlow 96352f172c55SRobert Thurlow /* count number of components to alloc buffer */ 96362f172c55SRobert Thurlow if ((ncomp = nfs4_create_components(path, NULL)) == 0) { 96372f172c55SRobert Thurlow pathname->pathname4_val = NULL; 96382f172c55SRobert Thurlow pathname->pathname4_len = 0; 96392f172c55SRobert Thurlow return (0); 96402f172c55SRobert Thurlow } 96412f172c55SRobert Thurlow comp4 = kmem_zalloc(ncomp * sizeof (component4), KM_SLEEP); 96422f172c55SRobert Thurlow 96432f172c55SRobert Thurlow /* copy components into allocated buffer */ 96442f172c55SRobert Thurlow ncomp = nfs4_create_components(path, comp4); 96452f172c55SRobert Thurlow 96462f172c55SRobert Thurlow pathname->pathname4_val = comp4; 96472f172c55SRobert Thurlow pathname->pathname4_len = ncomp; 96482f172c55SRobert Thurlow 96492f172c55SRobert Thurlow return (ncomp); 96502f172c55SRobert Thurlow } 96512f172c55SRobert Thurlow 96522f172c55SRobert Thurlow #define xdr_fs_locations4 xdr_fattr4_fs_locations 96532f172c55SRobert Thurlow 96542f172c55SRobert Thurlow fs_locations4 * 96552f172c55SRobert Thurlow fetch_referral(vnode_t *vp, cred_t *cr) 96562f172c55SRobert Thurlow { 96572f172c55SRobert Thurlow nvlist_t *nvl; 96582f172c55SRobert Thurlow char *stype, *sdata; 96592f172c55SRobert Thurlow fs_locations4 *result; 96602f172c55SRobert Thurlow char buf[1024]; 96612f172c55SRobert Thurlow size_t bufsize; 96622f172c55SRobert Thurlow XDR xdr; 96632f172c55SRobert Thurlow int err; 96642f172c55SRobert Thurlow 96652f172c55SRobert Thurlow /* 96662f172c55SRobert Thurlow * Check attrs to ensure it's a reparse point 96672f172c55SRobert Thurlow */ 96682f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 96692f172c55SRobert Thurlow return (NULL); 96702f172c55SRobert Thurlow 96712f172c55SRobert Thurlow /* 96722f172c55SRobert Thurlow * Look for an NFS record and get the type and data 96732f172c55SRobert Thurlow */ 96742f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &stype, &sdata) != 0) 96752f172c55SRobert Thurlow return (NULL); 96762f172c55SRobert Thurlow 96772f172c55SRobert Thurlow /* 96782f172c55SRobert Thurlow * With the type and data, upcall to get the referral 96792f172c55SRobert Thurlow */ 96802f172c55SRobert Thurlow bufsize = sizeof (buf); 96812f172c55SRobert Thurlow bzero(buf, sizeof (buf)); 96822f172c55SRobert Thurlow err = reparse_kderef((const char *)stype, (const char *)sdata, 96832f172c55SRobert Thurlow buf, &bufsize); 96842f172c55SRobert Thurlow reparse_free(nvl); 96852f172c55SRobert Thurlow 96862f172c55SRobert Thurlow DTRACE_PROBE4(nfs4serv__func__referral__upcall, 96872f172c55SRobert Thurlow char *, stype, char *, sdata, char *, buf, int, err); 96882f172c55SRobert Thurlow if (err) { 96892f172c55SRobert Thurlow cmn_err(CE_NOTE, 96902f172c55SRobert Thurlow "reparsed daemon not running: unable to get referral (%d)", 96912f172c55SRobert Thurlow err); 96922f172c55SRobert Thurlow return (NULL); 96932f172c55SRobert Thurlow } 96942f172c55SRobert Thurlow 96952f172c55SRobert Thurlow /* 96962f172c55SRobert Thurlow * We get an XDR'ed record back from the kderef call 96972f172c55SRobert Thurlow */ 96982f172c55SRobert Thurlow xdrmem_create(&xdr, buf, bufsize, XDR_DECODE); 96992f172c55SRobert Thurlow result = kmem_alloc(sizeof (fs_locations4), KM_SLEEP); 97002f172c55SRobert Thurlow err = xdr_fs_locations4(&xdr, result); 97012f172c55SRobert Thurlow XDR_DESTROY(&xdr); 97022f172c55SRobert Thurlow if (err != TRUE) { 97032f172c55SRobert Thurlow DTRACE_PROBE1(nfs4serv__func__referral__upcall__xdrfail, 97042f172c55SRobert Thurlow int, err); 97052f172c55SRobert Thurlow return (NULL); 97062f172c55SRobert Thurlow } 97072f172c55SRobert Thurlow 97082f172c55SRobert Thurlow /* 97092f172c55SRobert Thurlow * Look at path to recover fs_root, ignoring the leading '/' 97102f172c55SRobert Thurlow */ 97112f172c55SRobert Thurlow (void) make_pathname4(vp->v_path, &result->fs_root); 97122f172c55SRobert Thurlow 97132f172c55SRobert Thurlow return (result); 97142f172c55SRobert Thurlow } 97152f172c55SRobert Thurlow 97162f172c55SRobert Thurlow char * 97172f172c55SRobert Thurlow build_symlink(vnode_t *vp, cred_t *cr, size_t *strsz) 97182f172c55SRobert Thurlow { 97192f172c55SRobert Thurlow fs_locations4 *fsl; 97202f172c55SRobert Thurlow fs_location4 *fs; 97212f172c55SRobert Thurlow char *server, *path, *symbuf; 97222f172c55SRobert Thurlow static char *prefix = "/net/"; 97232f172c55SRobert Thurlow int i, size, npaths; 97242f172c55SRobert Thurlow uint_t len; 97252f172c55SRobert Thurlow 97262f172c55SRobert Thurlow /* Get the referral */ 97272f172c55SRobert Thurlow if ((fsl = fetch_referral(vp, cr)) == NULL) 97282f172c55SRobert Thurlow return (NULL); 97292f172c55SRobert Thurlow 97302f172c55SRobert Thurlow /* Deal with only the first location and first server */ 97312f172c55SRobert Thurlow fs = &fsl->locations_val[0]; 97322f172c55SRobert Thurlow server = utf8_to_str(&fs->server_val[0], &len, NULL); 97332f172c55SRobert Thurlow if (server == NULL) { 97342f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 97352f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 97362f172c55SRobert Thurlow return (NULL); 97372f172c55SRobert Thurlow } 97382f172c55SRobert Thurlow 97392f172c55SRobert Thurlow /* Figure out size for "/net/" + host + /path/path/path + NULL */ 97402f172c55SRobert Thurlow size = strlen(prefix) + len; 97412f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) 97422f172c55SRobert Thurlow size += fs->rootpath.pathname4_val[i].utf8string_len + 1; 97432f172c55SRobert Thurlow 97442f172c55SRobert Thurlow /* Allocate the symlink buffer and fill it */ 97452f172c55SRobert Thurlow symbuf = kmem_zalloc(size, KM_SLEEP); 97462f172c55SRobert Thurlow (void) strcat(symbuf, prefix); 97472f172c55SRobert Thurlow (void) strcat(symbuf, server); 97482f172c55SRobert Thurlow kmem_free(server, len); 97492f172c55SRobert Thurlow 97502f172c55SRobert Thurlow npaths = 0; 97512f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) { 97522f172c55SRobert Thurlow path = utf8_to_str(&fs->rootpath.pathname4_val[i], &len, NULL); 97532f172c55SRobert Thurlow if (path == NULL) 97542f172c55SRobert Thurlow continue; 97552f172c55SRobert Thurlow (void) strcat(symbuf, "/"); 97562f172c55SRobert Thurlow (void) strcat(symbuf, path); 97572f172c55SRobert Thurlow npaths++; 97582f172c55SRobert Thurlow kmem_free(path, len); 97592f172c55SRobert Thurlow } 97602f172c55SRobert Thurlow 97612f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 97622f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 97632f172c55SRobert Thurlow 97642f172c55SRobert Thurlow if (strsz != NULL) 97652f172c55SRobert Thurlow *strsz = size; 97662f172c55SRobert Thurlow return (symbuf); 97672f172c55SRobert Thurlow } 97682f172c55SRobert Thurlow 97692f172c55SRobert Thurlow /* 97702f172c55SRobert Thurlow * Check to see if we have a downrev Solaris client, so that we 97712f172c55SRobert Thurlow * can send it a symlink instead of a referral. 97722f172c55SRobert Thurlow */ 97732f172c55SRobert Thurlow int 97742f172c55SRobert Thurlow client_is_downrev(struct svc_req *req) 97752f172c55SRobert Thurlow { 97762f172c55SRobert Thurlow struct sockaddr *ca; 97772f172c55SRobert Thurlow rfs4_clntip_t *ci; 97782f172c55SRobert Thurlow bool_t create = FALSE; 97792f172c55SRobert Thurlow int is_downrev; 97802f172c55SRobert Thurlow 97812f172c55SRobert Thurlow ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 97822f172c55SRobert Thurlow ASSERT(ca); 97832f172c55SRobert Thurlow ci = rfs4_find_clntip(ca, &create); 97842f172c55SRobert Thurlow if (ci == NULL) 97852f172c55SRobert Thurlow return (0); 97862f172c55SRobert Thurlow is_downrev = ci->ri_no_referrals; 97872f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 97882f172c55SRobert Thurlow return (is_downrev); 97892f172c55SRobert Thurlow } 9790