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*5679c89fSjv * Copyright 2009 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> 57*5679c89fSjv #include <sys/zone.h> 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate #include <rpc/types.h> 607c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 617c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 627c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 657c478bd9Sstevel@tonic-gate #include <nfs/export.h> 66b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <nfs/nfs_cmd.h> 677c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 687c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 717c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate #include <inet/common.h> 747c478bd9Sstevel@tonic-gate #include <inet/ip.h> 757c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 767c478bd9Sstevel@tonic-gate 7745916cd2Sjpk #include <sys/tsol/label.h> 7845916cd2Sjpk #include <sys/tsol/tndb.h> 7945916cd2Sjpk 807c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 817c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 827c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 830a701b1eSRobert Gordon static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 840a701b1eSRobert Gordon extern struct svc_ops rdma_svc_ops; 857c478bd9Sstevel@tonic-gate /* End of Tunables */ 867c478bd9Sstevel@tonic-gate 870a701b1eSRobert Gordon static int rdma_setup_read_data4(READ4args *, READ4res *); 880a701b1eSRobert Gordon 897c478bd9Sstevel@tonic-gate /* 907c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 917c478bd9Sstevel@tonic-gate */ 927c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* 957c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 967c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 977c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 987c478bd9Sstevel@tonic-gate * XDR encoded dirent. 997c478bd9Sstevel@tonic-gate * 1007c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 1017c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1027c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1037c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1047c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1057c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1067c478bd9Sstevel@tonic-gate * 1077c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1087c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1097c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1107c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1117c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1127c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1137c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1147c478bd9Sstevel@tonic-gate * 1157c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1167c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1177c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1187c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1197c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1207c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1217c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1227c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1237c478bd9Sstevel@tonic-gate */ 1247c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1257c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1267c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1277c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* 1307c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1317c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1327c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1337c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1347c478bd9Sstevel@tonic-gate * UTF8 functions. 1357c478bd9Sstevel@tonic-gate * 1367c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1377c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1387c478bd9Sstevel@tonic-gate * 1397c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1407c478bd9Sstevel@tonic-gate * 1417c478bd9Sstevel@tonic-gate */ 1427c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1437c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1487c478bd9Sstevel@tonic-gate 1490a701b1eSRobert Gordon u_longlong_t nfs4_srv_caller_id; 1500a701b1eSRobert Gordon uint_t nfs4_srv_vkey = 0; 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1537c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1547c478bd9Sstevel@tonic-gate 1550a701b1eSRobert Gordon void rfs4_init_compound_state(struct compound_state *); 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1587c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1597c478bd9Sstevel@tonic-gate struct compound_state *); 1607c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1617c478bd9Sstevel@tonic-gate struct compound_state *); 1627c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1637c478bd9Sstevel@tonic-gate struct compound_state *); 1647c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1657c478bd9Sstevel@tonic-gate struct compound_state *); 1667c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1677c478bd9Sstevel@tonic-gate struct compound_state *); 1687c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 170f3b585ceSsamf struct svc_req *, struct compound_state *); 171f3b585ceSsamf static void rfs4_op_delegpurge(nfs_argop4 *, nfs_resop4 *, 172f3b585ceSsamf struct svc_req *, struct compound_state *); 1737c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1747c478bd9Sstevel@tonic-gate struct compound_state *); 1757c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1767c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1777c478bd9Sstevel@tonic-gate struct compound_state *); 1787c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1797c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1807c478bd9Sstevel@tonic-gate struct compound_state *); 1817c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1827c478bd9Sstevel@tonic-gate struct compound_state *); 1837c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1847c478bd9Sstevel@tonic-gate struct compound_state *); 1857c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1867c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1877c478bd9Sstevel@tonic-gate struct compound_state *); 1887c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1897c478bd9Sstevel@tonic-gate struct compound_state *); 1907c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1917c478bd9Sstevel@tonic-gate struct compound_state *); 1927c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1937c478bd9Sstevel@tonic-gate struct compound_state *); 1947c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 1957c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 1967c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1977c478bd9Sstevel@tonic-gate struct compound_state *); 1987c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1997c478bd9Sstevel@tonic-gate struct compound_state *); 2007c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 2017c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2027c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 2037c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2047c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2057c478bd9Sstevel@tonic-gate struct compound_state *); 2067c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2077c478bd9Sstevel@tonic-gate struct compound_state *); 2087c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2097c478bd9Sstevel@tonic-gate struct compound_state *); 2107c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2117c478bd9Sstevel@tonic-gate struct compound_state *); 2127c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2137c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2147c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2157c478bd9Sstevel@tonic-gate struct compound_state *); 2167c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2177c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2187c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2197c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2207c478bd9Sstevel@tonic-gate struct compound_state *); 2217c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2227c478bd9Sstevel@tonic-gate struct compound_state *); 2237c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2247c478bd9Sstevel@tonic-gate struct compound_state *); 2257c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2267c478bd9Sstevel@tonic-gate struct compound_state *); 2277c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2287c478bd9Sstevel@tonic-gate struct compound_state *); 2297c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2307c478bd9Sstevel@tonic-gate struct compound_state *); 2317c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2327c478bd9Sstevel@tonic-gate struct compound_state *); 2337c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2347c478bd9Sstevel@tonic-gate struct compound_state *); 2357c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2367c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2377c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2387c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2397c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2407c478bd9Sstevel@tonic-gate struct compound_state *); 2417c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2427c478bd9Sstevel@tonic-gate 2437c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2447c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2457c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 2467c478bd9Sstevel@tonic-gate static int vop_shrlock(vnode_t *, int, struct shrlock *, int); 2477c478bd9Sstevel@tonic-gate static int rfs4_shrlock(rfs4_state_t *, int); 2487c478bd9Sstevel@tonic-gate static int rfs4_share(rfs4_state_t *); 2497c478bd9Sstevel@tonic-gate void rfs4_ss_clid(rfs4_client_t *, struct svc_req *); 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_shrlock_debug = 0; 4200a701b1eSRobert Gordon int rfs4_no_stub_access = 1; 4210a701b1eSRobert Gordon int rfs4_rddir_debug = 0; 4227c478bd9Sstevel@tonic-gate 4230a701b1eSRobert Gordon static char *rfs4_op_string[] = { 4247c478bd9Sstevel@tonic-gate "rfs4_op_null", 4257c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4267c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4277c478bd9Sstevel@tonic-gate "rfs4_op_access", 4287c478bd9Sstevel@tonic-gate "rfs4_op_close", 4297c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4307c478bd9Sstevel@tonic-gate "rfs4_op_create", 4317c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4327c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4337c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4347c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4357c478bd9Sstevel@tonic-gate "rfs4_op_link", 4367c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4377c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4387c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4397c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4407c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4417c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4427c478bd9Sstevel@tonic-gate "rfs4_op_open", 4437c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4447c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4457c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4467c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4477c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4487c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4497c478bd9Sstevel@tonic-gate "rfs4_op_read", 4507c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4517c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4527c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4537c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4547c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4557c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4567c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4577c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4587c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4597c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4607c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4617c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4627c478bd9Sstevel@tonic-gate "rfs4_op_write", 4637c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4647c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4657c478bd9Sstevel@tonic-gate }; 4667c478bd9Sstevel@tonic-gate #endif 4677c478bd9Sstevel@tonic-gate 4680a701b1eSRobert Gordon void rfs4_ss_chkclid(rfs4_client_t *); 4697c478bd9Sstevel@tonic-gate 4700a701b1eSRobert Gordon extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 471cee86682Scalum 4727c478bd9Sstevel@tonic-gate #ifdef nextdp 4737c478bd9Sstevel@tonic-gate #undef nextdp 4747c478bd9Sstevel@tonic-gate #endif 4757c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 478cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 479cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 480cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 481aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 482cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 483cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 484cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_rd_vnevent }, 485aa59c4cbSrsb NULL, NULL 4867c478bd9Sstevel@tonic-gate }; 4877c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 488cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 489cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 490cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 491cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 492aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 493cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 494cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 495cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_wr_vnevent }, 496aa59c4cbSrsb NULL, NULL 4977c478bd9Sstevel@tonic-gate }; 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate int 5007c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 5017c478bd9Sstevel@tonic-gate { 5027c478bd9Sstevel@tonic-gate timespec32_t verf; 5037c478bd9Sstevel@tonic-gate int error; 5047c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5057c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5067c478bd9Sstevel@tonic-gate 5077c478bd9Sstevel@tonic-gate /* 5087c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5097c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5107c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5117c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5127c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5137c478bd9Sstevel@tonic-gate * different servers. 5147c478bd9Sstevel@tonic-gate * 5157c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5167c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5177c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5187c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5197c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5207c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5217c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5227c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5237c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5247c478bd9Sstevel@tonic-gate */ 525*5679c89fSjv verf.tv_sec = (time_t)zone_get_hostid(NULL); 5267c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5277c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5287c478bd9Sstevel@tonic-gate } else { 5297c478bd9Sstevel@tonic-gate timespec_t tverf; 5307c478bd9Sstevel@tonic-gate 5317c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5327c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5337c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5347c478bd9Sstevel@tonic-gate } 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5397c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5427c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5437c478bd9Sstevel@tonic-gate 5447c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5457c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5467c478bd9Sstevel@tonic-gate 5477c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5487c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5497c478bd9Sstevel@tonic-gate 5507c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5517c478bd9Sstevel@tonic-gate if (error != 0) { 5527c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5537c478bd9Sstevel@tonic-gate } else { 5547c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5551b300de9Sjwahlig &deleg_wrops); 5567c478bd9Sstevel@tonic-gate if (error != 0) { 5577c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5587c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5597c478bd9Sstevel@tonic-gate } 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate 5627c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5657c478bd9Sstevel@tonic-gate 5661b300de9Sjwahlig vsd_create(&nfs4_srv_vkey, NULL); 5671b300de9Sjwahlig 5687c478bd9Sstevel@tonic-gate return (0); 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate void 5727c478bd9Sstevel@tonic-gate rfs4_srvrfini(void) 5737c478bd9Sstevel@tonic-gate { 5747c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate if (lockt_sysid != LM_NOSYSID) { 5777c478bd9Sstevel@tonic-gate lm_free_sysidt(lockt_sysid); 5787c478bd9Sstevel@tonic-gate lockt_sysid = LM_NOSYSID; 5797c478bd9Sstevel@tonic-gate } 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_deleg_lock); 5827c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_state_lock); 5837c478bd9Sstevel@tonic-gate rw_destroy(&rfs4_deleg_policy_lock); 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5867c478bd9Sstevel@tonic-gate fem_free(deleg_wrops); 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate void 5907c478bd9Sstevel@tonic-gate rfs4_init_compound_state(struct compound_state *cs) 5917c478bd9Sstevel@tonic-gate { 5927c478bd9Sstevel@tonic-gate bzero(cs, sizeof (*cs)); 5937c478bd9Sstevel@tonic-gate cs->cont = TRUE; 5947c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_DENIED; 5957c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 5967c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 5977c478bd9Sstevel@tonic-gate cs->fh.nfs_fh4_val = cs->fhbuf; 5987c478bd9Sstevel@tonic-gate } 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate void 6017c478bd9Sstevel@tonic-gate rfs4_grace_start(rfs4_servinst_t *sip) 6027c478bd9Sstevel@tonic-gate { 6037c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 60495d3e419SDai Ngo sip->start_time = (time_t)TICK_TO_SEC(lbolt); 6057c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6067c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6077c478bd9Sstevel@tonic-gate } 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate /* 6107c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6117c478bd9Sstevel@tonic-gate */ 6127c478bd9Sstevel@tonic-gate int 6137c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6147c478bd9Sstevel@tonic-gate { 6157c478bd9Sstevel@tonic-gate time_t start_time; 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6187c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6197c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6207c478bd9Sstevel@tonic-gate 6217c478bd9Sstevel@tonic-gate return (start_time == 0); 6227c478bd9Sstevel@tonic-gate } 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate /* 6257c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6267c478bd9Sstevel@tonic-gate * grace period. 6277c478bd9Sstevel@tonic-gate */ 6287c478bd9Sstevel@tonic-gate int 6297c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6307c478bd9Sstevel@tonic-gate { 6317c478bd9Sstevel@tonic-gate time_t grace_expiry; 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6347c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6357c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6367c478bd9Sstevel@tonic-gate 63795d3e419SDai Ngo return (((time_t)TICK_TO_SEC(lbolt)) < grace_expiry); 6387c478bd9Sstevel@tonic-gate } 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate int 6417c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6427c478bd9Sstevel@tonic-gate { 6437c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 6447c478bd9Sstevel@tonic-gate 6457c478bd9Sstevel@tonic-gate return (rfs4_servinst_in_grace(cp->server_instance)); 6467c478bd9Sstevel@tonic-gate } 6477c478bd9Sstevel@tonic-gate 6487c478bd9Sstevel@tonic-gate /* 6497c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6507c478bd9Sstevel@tonic-gate */ 6517c478bd9Sstevel@tonic-gate void 6527c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6537c478bd9Sstevel@tonic-gate { 6547c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6557c478bd9Sstevel@tonic-gate 6567c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 657cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 658cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6597c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6607c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6617c478bd9Sstevel@tonic-gate } 6627c478bd9Sstevel@tonic-gate 6637c478bd9Sstevel@tonic-gate /* 6647c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6657c478bd9Sstevel@tonic-gate */ 6667c478bd9Sstevel@tonic-gate void 6677c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6687c478bd9Sstevel@tonic-gate { 6697c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6707c478bd9Sstevel@tonic-gate 6717c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 672cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6737c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6747c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6757c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 676cee86682Scalum } 677cee86682Scalum 678cee86682Scalum static rfs4_dss_path_t * 679cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 680cee86682Scalum { 681cee86682Scalum size_t len; 682cee86682Scalum rfs4_dss_path_t *dss_path; 683cee86682Scalum 684cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 685cee86682Scalum 686cee86682Scalum /* 687cee86682Scalum * Take a copy of the string, since the original may be overwritten. 688cee86682Scalum * Sadly, no strdup() in the kernel. 689cee86682Scalum */ 690cee86682Scalum /* allow for NUL */ 691cee86682Scalum len = strlen(path) + 1; 692cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 693cee86682Scalum (void) strlcpy(dss_path->path, path, len); 694cee86682Scalum 695cee86682Scalum /* associate with servinst */ 696cee86682Scalum dss_path->sip = sip; 697cee86682Scalum dss_path->index = index; 698cee86682Scalum 699cee86682Scalum /* 700cee86682Scalum * Add to list of served paths. 701cee86682Scalum * No locking required, as we're only ever called at startup. 702cee86682Scalum */ 703cee86682Scalum if (rfs4_dss_pathlist == NULL) { 704cee86682Scalum /* this is the first dss_path_t */ 7057c478bd9Sstevel@tonic-gate 706cee86682Scalum /* needed for insque/remque */ 707cee86682Scalum dss_path->next = dss_path->prev = dss_path; 708cee86682Scalum 709cee86682Scalum rfs4_dss_pathlist = dss_path; 710cee86682Scalum } else { 711cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 712cee86682Scalum } 713cee86682Scalum 714cee86682Scalum return (dss_path); 7157c478bd9Sstevel@tonic-gate } 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate /* 7187c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7197c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7207c478bd9Sstevel@tonic-gate * recovery window. 7217c478bd9Sstevel@tonic-gate */ 7227c478bd9Sstevel@tonic-gate void 723cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7247c478bd9Sstevel@tonic-gate { 725cee86682Scalum unsigned i; 7267c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 727cee86682Scalum rfs4_oldstate_t *oldstate; 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7307c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7337c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7347c478bd9Sstevel@tonic-gate sip->next = NULL; 7357c478bd9Sstevel@tonic-gate sip->prev = NULL; 7367c478bd9Sstevel@tonic-gate 737cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 738cee86682Scalum /* 739cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 740cee86682Scalum * It must be skipped over whenever the list is traversed. 741cee86682Scalum */ 742cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 743cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 744cee86682Scalum oldstate->next = oldstate; 745cee86682Scalum oldstate->prev = oldstate; 746cee86682Scalum sip->oldstate = oldstate; 747cee86682Scalum 748cee86682Scalum 749cee86682Scalum sip->dss_npaths = dss_npaths; 750cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 751cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 752cee86682Scalum 753cee86682Scalum for (i = 0; i < dss_npaths; i++) { 754cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 755cee86682Scalum } 756cee86682Scalum 7577c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 758cee86682Scalum if (rfs4_cur_servinst != NULL) { 7597c478bd9Sstevel@tonic-gate /* add to linked list */ 7607c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7617c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7627c478bd9Sstevel@tonic-gate } 7637c478bd9Sstevel@tonic-gate if (start_grace) 7647c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7657c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7667c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7677c478bd9Sstevel@tonic-gate 768cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7697c478bd9Sstevel@tonic-gate } 7707c478bd9Sstevel@tonic-gate 7717c478bd9Sstevel@tonic-gate /* 7727c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7737c478bd9Sstevel@tonic-gate * all instances directly. 7747c478bd9Sstevel@tonic-gate */ 7757c478bd9Sstevel@tonic-gate void 7767c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7777c478bd9Sstevel@tonic-gate { 7787c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7797c478bd9Sstevel@tonic-gate #ifdef DEBUG 7807c478bd9Sstevel@tonic-gate int n = 0; 7817c478bd9Sstevel@tonic-gate #endif 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7847c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7857c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7867c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7877c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7887c478bd9Sstevel@tonic-gate prev = sip->prev; 7897c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 790cee86682Scalum if (sip->oldstate) 791cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 792cee86682Scalum if (sip->dss_paths) 793cee86682Scalum kmem_free(sip->dss_paths, 794cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7957c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7967c478bd9Sstevel@tonic-gate #ifdef DEBUG 7977c478bd9Sstevel@tonic-gate n++; 7987c478bd9Sstevel@tonic-gate #endif 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8017c478bd9Sstevel@tonic-gate } 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate /* 8047c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 8057c478bd9Sstevel@tonic-gate * Should be called with cp->dbe held. 8067c478bd9Sstevel@tonic-gate */ 8077c478bd9Sstevel@tonic-gate void 8087c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8097c478bd9Sstevel@tonic-gate { 8107c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 8117c478bd9Sstevel@tonic-gate 8127c478bd9Sstevel@tonic-gate /* 8137c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8147c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8157c478bd9Sstevel@tonic-gate */ 8167c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 8177c478bd9Sstevel@tonic-gate cp->server_instance = sip; 8187c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate 8217c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8227c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8237c478bd9Sstevel@tonic-gate { 8247c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 8257c478bd9Sstevel@tonic-gate 8267c478bd9Sstevel@tonic-gate return (cp->server_instance); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8307c478bd9Sstevel@tonic-gate static void 8317c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8327c478bd9Sstevel@tonic-gate { 8337c478bd9Sstevel@tonic-gate } 8347c478bd9Sstevel@tonic-gate 8357c478bd9Sstevel@tonic-gate /* 8367c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8377c478bd9Sstevel@tonic-gate */ 8387c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8397c478bd9Sstevel@tonic-gate static void 8407c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8417c478bd9Sstevel@tonic-gate struct compound_state *cs) 8427c478bd9Sstevel@tonic-gate { 8437c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8447c478bd9Sstevel@tonic-gate } 8457c478bd9Sstevel@tonic-gate 8467c478bd9Sstevel@tonic-gate /* 8477c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8487c478bd9Sstevel@tonic-gate */ 8497c478bd9Sstevel@tonic-gate bool_t 8507c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8517c478bd9Sstevel@tonic-gate { 8527c478bd9Sstevel@tonic-gate int i; 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8557c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8567c478bd9Sstevel@tonic-gate return (TRUE); 8577c478bd9Sstevel@tonic-gate } 8587c478bd9Sstevel@tonic-gate return (FALSE); 8597c478bd9Sstevel@tonic-gate } 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate /* 8627c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8637c478bd9Sstevel@tonic-gate * export structure associated with the component. 8647c478bd9Sstevel@tonic-gate */ 8657c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8667c478bd9Sstevel@tonic-gate static nfsstat4 8677c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8687c478bd9Sstevel@tonic-gate { 8697c478bd9Sstevel@tonic-gate int error, different_export = 0; 8707c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8717c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8727c478bd9Sstevel@tonic-gate fid_t fid; 8737c478bd9Sstevel@tonic-gate uint_t count, i; 8747c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8757c478bd9Sstevel@tonic-gate struct secinfo *secp; 8761b300de9Sjwahlig seconfig_t *si; 8777c478bd9Sstevel@tonic-gate bool_t did_traverse; 8787c478bd9Sstevel@tonic-gate int dotdot, walk; 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate dvp = cs->vp; 8817c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate /* 8847c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8857c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8867c478bd9Sstevel@tonic-gate */ 8877c478bd9Sstevel@tonic-gate if (dotdot) { 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* 8907c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8917c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8927c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8937c478bd9Sstevel@tonic-gate */ 8947c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8957c478bd9Sstevel@tonic-gate 8967c478bd9Sstevel@tonic-gate /* 8977c478bd9Sstevel@tonic-gate * If at the system root, then can 8987c478bd9Sstevel@tonic-gate * go up no further. 8997c478bd9Sstevel@tonic-gate */ 9007c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 9017c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9027c478bd9Sstevel@tonic-gate 9037c478bd9Sstevel@tonic-gate /* 9047c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9057c478bd9Sstevel@tonic-gate */ 9067c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate /* 9097c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9107c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9117c478bd9Sstevel@tonic-gate * this new filesystem. 9127c478bd9Sstevel@tonic-gate */ 9137c478bd9Sstevel@tonic-gate different_export = 1; 9147c478bd9Sstevel@tonic-gate } else { 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate /* 9177c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9187c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9197c478bd9Sstevel@tonic-gate */ 9207c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9217c478bd9Sstevel@tonic-gate } 9227c478bd9Sstevel@tonic-gate } 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate /* 9257c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9267c478bd9Sstevel@tonic-gate */ 927da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 928da6c28aaSamw NULL, NULL, NULL); 9297c478bd9Sstevel@tonic-gate if (error) 9307c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9317c478bd9Sstevel@tonic-gate 9327c478bd9Sstevel@tonic-gate /* 9337c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9347c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9357c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9367c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9377c478bd9Sstevel@tonic-gate */ 9387c478bd9Sstevel@tonic-gate if (!different_export && 9397c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9407c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9417c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9427c478bd9Sstevel@tonic-gate VN_RELE(vp); 9437c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9447c478bd9Sstevel@tonic-gate } 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate 9477c478bd9Sstevel@tonic-gate /* 9487c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9497c478bd9Sstevel@tonic-gate */ 9507c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 9517c478bd9Sstevel@tonic-gate tvp = vp; 9527c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 9537c478bd9Sstevel@tonic-gate VN_RELE(vp); 9547c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9557c478bd9Sstevel@tonic-gate } 9567c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9577c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9587c478bd9Sstevel@tonic-gate vp = tvp; 9597c478bd9Sstevel@tonic-gate different_export = 1; 9607c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9617c478bd9Sstevel@tonic-gate /* 9627c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9637c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9647c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9657c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9667c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9677c478bd9Sstevel@tonic-gate * traverse) 9687c478bd9Sstevel@tonic-gate */ 9697c478bd9Sstevel@tonic-gate different_export = 1; 9707c478bd9Sstevel@tonic-gate did_traverse = FALSE; 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate /* 9747c478bd9Sstevel@tonic-gate * Get the export information for it. 9757c478bd9Sstevel@tonic-gate */ 9767c478bd9Sstevel@tonic-gate if (different_export) { 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9797c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9807c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9817c478bd9Sstevel@tonic-gate if (error) { 9827c478bd9Sstevel@tonic-gate VN_RELE(vp); 9837c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9847c478bd9Sstevel@tonic-gate } 9857c478bd9Sstevel@tonic-gate 9867c478bd9Sstevel@tonic-gate if (dotdot) 9877c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9887c478bd9Sstevel@tonic-gate else 9897c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate if (exi == NULL) { 9927c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9937c478bd9Sstevel@tonic-gate /* 9947c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9957c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9967c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9977c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9987c478bd9Sstevel@tonic-gate * vnode lives in. 9997c478bd9Sstevel@tonic-gate */ 10007c478bd9Sstevel@tonic-gate exi = cs->exi; 10017c478bd9Sstevel@tonic-gate } else { 10027c478bd9Sstevel@tonic-gate VN_RELE(vp); 10037c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate } 10067c478bd9Sstevel@tonic-gate } else { 10077c478bd9Sstevel@tonic-gate exi = cs->exi; 10087c478bd9Sstevel@tonic-gate } 10097c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate 10127c478bd9Sstevel@tonic-gate /* 10137c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10147c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10157c478bd9Sstevel@tonic-gate * 10167c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10177c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10187c478bd9Sstevel@tonic-gate * has access with. 10197c478bd9Sstevel@tonic-gate */ 10207c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10217c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10227c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10237c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10247c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10257c478bd9Sstevel@tonic-gate 10267c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10271b300de9Sjwahlig si = &secp[i].s_secinfo; 10281b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10291b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 10301b300de9Sjwahlig rpcsec_gss_info *info; 10311b300de9Sjwahlig 10321b300de9Sjwahlig info = &resok_val[i].flavor_info; 10331b300de9Sjwahlig info->qop = si->sc_qop; 10341b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10351b300de9Sjwahlig 10361b300de9Sjwahlig /* get oid opaque data */ 10371b300de9Sjwahlig info->oid.sec_oid4_len = 10381b300de9Sjwahlig si->sc_gss_mech_type->length; 10391b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10401b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10411b300de9Sjwahlig bcopy( 10421b300de9Sjwahlig si->sc_gss_mech_type->elements, 10431b300de9Sjwahlig info->oid.sec_oid4_val, 10441b300de9Sjwahlig info->oid.sec_oid4_len); 10451b300de9Sjwahlig } 10467c478bd9Sstevel@tonic-gate } 10477c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10487c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10497c478bd9Sstevel@tonic-gate } else { 10507c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10517c478bd9Sstevel@tonic-gate int *flavor_list; 10527c478bd9Sstevel@tonic-gate 10537c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10547c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10577c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10587c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10597c478bd9Sstevel@tonic-gate int access, flavor, perm; 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10627c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10637c478bd9Sstevel@tonic-gate 10647c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10651b300de9Sjwahlig flavor, perm); 10667c478bd9Sstevel@tonic-gate 10677c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10687c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10697c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10707c478bd9Sstevel@tonic-gate ret_cnt++; 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate } 10737c478bd9Sstevel@tonic-gate 10747c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10757c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10767c478bd9Sstevel@tonic-gate 10777c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 1078f3b585ceSsamf /* 1079f3b585ceSsamf * If the flavor is in the flavor list, 1080f3b585ceSsamf * fill in resok_val. 1081f3b585ceSsamf */ 10821b300de9Sjwahlig si = &secp[i].s_secinfo; 10831b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10841b300de9Sjwahlig flavor_list, ret_cnt)) { 10851b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10861b300de9Sjwahlig if (resok_val[k].flavor == RPCSEC_GSS) { 10871b300de9Sjwahlig rpcsec_gss_info *info; 10881b300de9Sjwahlig 10891b300de9Sjwahlig info = &resok_val[k].flavor_info; 10901b300de9Sjwahlig info->qop = si->sc_qop; 10911b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10921b300de9Sjwahlig si->sc_service; 10931b300de9Sjwahlig 10941b300de9Sjwahlig /* get oid opaque data */ 10951b300de9Sjwahlig info->oid.sec_oid4_len = 10961b300de9Sjwahlig si->sc_gss_mech_type->length; 10971b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10981b300de9Sjwahlig si->sc_gss_mech_type->length, 10991b300de9Sjwahlig KM_SLEEP); 11001b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 11011b300de9Sjwahlig info->oid.sec_oid4_val, 11021b300de9Sjwahlig info->oid.sec_oid4_len); 11031b300de9Sjwahlig } 11041b300de9Sjwahlig k++; 11057c478bd9Sstevel@tonic-gate } 1106f3b585ceSsamf if (k >= ret_cnt) 1107f3b585ceSsamf break; 11087c478bd9Sstevel@tonic-gate } 11097c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11107c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11117c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate VN_RELE(vp); 11157c478bd9Sstevel@tonic-gate return (NFS4_OK); 11167c478bd9Sstevel@tonic-gate } 11177c478bd9Sstevel@tonic-gate 11187c478bd9Sstevel@tonic-gate /* 11197c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11207c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11217c478bd9Sstevel@tonic-gate * triplets. 11227c478bd9Sstevel@tonic-gate */ 11237c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11247c478bd9Sstevel@tonic-gate static void 11257c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 11267c478bd9Sstevel@tonic-gate struct compound_state *cs) 11277c478bd9Sstevel@tonic-gate { 1128f3b585ceSsamf SECINFO4args *args = &argop->nfs_argop4_u.opsecinfo; 11297c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 1130f3b585ceSsamf utf8string *utfnm = &args->name; 11317c478bd9Sstevel@tonic-gate uint_t len; 11327c478bd9Sstevel@tonic-gate char *nm; 1133b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1134b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 11357c478bd9Sstevel@tonic-gate 1136f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__start, struct compound_state *, cs, 1137f3b585ceSsamf SECINFO4args *, args); 1138f3b585ceSsamf 11397c478bd9Sstevel@tonic-gate /* 11407c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11417c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11427c478bd9Sstevel@tonic-gate */ 11437c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1145f3b585ceSsamf goto out; 11467c478bd9Sstevel@tonic-gate } 11477c478bd9Sstevel@tonic-gate 11487c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1150f3b585ceSsamf goto out; 11517c478bd9Sstevel@tonic-gate } 11527c478bd9Sstevel@tonic-gate 11537c478bd9Sstevel@tonic-gate /* 11547c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11557c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11567c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11577c478bd9Sstevel@tonic-gate */ 11587c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(utfnm)) { 11597c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11601b300de9Sjwahlig utfnm->utf8string_val[0] != '.' || 11611b300de9Sjwahlig utfnm->utf8string_val[1] != '.') { 11627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1163f3b585ceSsamf goto out; 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate } 11667c478bd9Sstevel@tonic-gate 11677c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11687c478bd9Sstevel@tonic-gate if (nm == NULL) { 11697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1170f3b585ceSsamf goto out; 11717c478bd9Sstevel@tonic-gate } 11727c478bd9Sstevel@tonic-gate 11737c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11757c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1176f3b585ceSsamf goto out; 11777c478bd9Sstevel@tonic-gate } 1178b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 11797c478bd9Sstevel@tonic-gate 1180b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1181b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1182b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 11837c478bd9Sstevel@tonic-gate 1184b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1185b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1186b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1187b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1188b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1189b89a8333Snatalie li - Sun Microsystems - Irvine United States 1190b89a8333Snatalie li - Sun Microsystems - Irvine United States 1191b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, name, resp); 1192b89a8333Snatalie li - Sun Microsystems - Irvine United States 1193b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1194b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 11957c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1196f3b585ceSsamf 1197f3b585ceSsamf out: 1198f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__done, struct compound_state *, cs, 1199f3b585ceSsamf SECINFO4res *, resp); 12007c478bd9Sstevel@tonic-gate } 12017c478bd9Sstevel@tonic-gate 12027c478bd9Sstevel@tonic-gate /* 12037c478bd9Sstevel@tonic-gate * Free SECINFO result. 12047c478bd9Sstevel@tonic-gate */ 12057c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12067c478bd9Sstevel@tonic-gate static void 12077c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 12087c478bd9Sstevel@tonic-gate { 12097c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 12107c478bd9Sstevel@tonic-gate int count, i; 12117c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 12147c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 12157c478bd9Sstevel@tonic-gate return; 12167c478bd9Sstevel@tonic-gate } 12177c478bd9Sstevel@tonic-gate 12187c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 12197c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 12207c478bd9Sstevel@tonic-gate 12217c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 12221b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 12231b300de9Sjwahlig rpcsec_gss_info *info; 12247c478bd9Sstevel@tonic-gate 12251b300de9Sjwahlig info = &resok_val[i].flavor_info; 12261b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 12271b300de9Sjwahlig info->oid.sec_oid4_len); 12281b300de9Sjwahlig } 12297c478bd9Sstevel@tonic-gate } 12307c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12317c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12327c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12337c478bd9Sstevel@tonic-gate } 12347c478bd9Sstevel@tonic-gate 12357c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12367c478bd9Sstevel@tonic-gate static void 12377c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 12387c478bd9Sstevel@tonic-gate struct compound_state *cs) 12397c478bd9Sstevel@tonic-gate { 12407c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12417c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12427c478bd9Sstevel@tonic-gate int error; 12437c478bd9Sstevel@tonic-gate vnode_t *vp; 12447c478bd9Sstevel@tonic-gate struct vattr va; 12457c478bd9Sstevel@tonic-gate int checkwriteperm; 12467c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124745916cd2Sjpk bslabel_t *clabel, *slabel; 124845916cd2Sjpk ts_label_t *tslabel; 124945916cd2Sjpk boolean_t admin_low_client; 12507c478bd9Sstevel@tonic-gate 1251f3b585ceSsamf DTRACE_NFSV4_2(op__access__start, struct compound_state *, cs, 1252f3b585ceSsamf ACCESS4args *, args); 1253f3b585ceSsamf 12547c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12557c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1257f3b585ceSsamf goto out; 12587c478bd9Sstevel@tonic-gate } 12597c478bd9Sstevel@tonic-gate #endif 12607c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1262f3b585ceSsamf goto out; 12637c478bd9Sstevel@tonic-gate } 12647c478bd9Sstevel@tonic-gate 12657c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate vp = cs->vp; 12687c478bd9Sstevel@tonic-gate 12697c478bd9Sstevel@tonic-gate /* 12707c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12717c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12727c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12737c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12747c478bd9Sstevel@tonic-gate */ 12757c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12761b300de9Sjwahlig (vp->v_type == VREG || vp->v_type == VDIR)) 12777c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12787c478bd9Sstevel@tonic-gate else 12797c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12807c478bd9Sstevel@tonic-gate 12817c478bd9Sstevel@tonic-gate /* 12827c478bd9Sstevel@tonic-gate * XXX 12837c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12847c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12857c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12867c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12877c478bd9Sstevel@tonic-gate */ 12887c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1289da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12907c478bd9Sstevel@tonic-gate if (error) { 12917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1292f3b585ceSsamf goto out; 12937c478bd9Sstevel@tonic-gate } 12947c478bd9Sstevel@tonic-gate resp->access = 0; 12957c478bd9Sstevel@tonic-gate resp->supported = 0; 12967c478bd9Sstevel@tonic-gate 129745916cd2Sjpk if (is_system_labeled()) { 129845916cd2Sjpk ASSERT(req->rq_label != NULL); 129945916cd2Sjpk clabel = req->rq_label; 130045916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 130145916cd2Sjpk "got client label from request(1)", 130245916cd2Sjpk struct svc_req *, req); 130345916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 130403986916Sjarrett if ((tslabel = nfs_getflabel(vp)) == NULL) { 130545916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 1306f3b585ceSsamf goto out; 130745916cd2Sjpk } 130845916cd2Sjpk slabel = label2bslabel(tslabel); 130945916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 131045916cd2Sjpk char *, "got server label(1) for vp(2)", 131145916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 131245916cd2Sjpk 131345916cd2Sjpk admin_low_client = B_FALSE; 131445916cd2Sjpk } else 131545916cd2Sjpk admin_low_client = B_TRUE; 131645916cd2Sjpk } 131745916cd2Sjpk 13187c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1319da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 132045916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 132145916cd2Sjpk (!is_system_labeled() || admin_low_client || 132245916cd2Sjpk bldominates(clabel, slabel))) 13237c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13247c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13257c478bd9Sstevel@tonic-gate } 13267c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1327da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132845916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 132945916cd2Sjpk bldominates(clabel, slabel))) 13307c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13317c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13327c478bd9Sstevel@tonic-gate } 13337c478bd9Sstevel@tonic-gate if (checkwriteperm && 13347c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1335da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 133645916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133745916cd2Sjpk (!is_system_labeled() || admin_low_client || 133845916cd2Sjpk blequal(clabel, slabel))) 13397c478bd9Sstevel@tonic-gate resp->access |= 13400a701b1eSRobert Gordon (args->access & (ACCESS4_MODIFY | ACCESS4_EXTEND)); 13410a701b1eSRobert Gordon resp->supported |= (ACCESS4_MODIFY | ACCESS4_EXTEND); 13427c478bd9Sstevel@tonic-gate } 13437c478bd9Sstevel@tonic-gate 13447c478bd9Sstevel@tonic-gate if (checkwriteperm && 13457c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1346da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 134745916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 134845916cd2Sjpk blequal(clabel, slabel))) 13497c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13507c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13517c478bd9Sstevel@tonic-gate } 13527c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1353da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 135445916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 135545916cd2Sjpk (!is_system_labeled() || admin_low_client || 135645916cd2Sjpk bldominates(clabel, slabel))) 13577c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13587c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13597c478bd9Sstevel@tonic-gate } 13607c478bd9Sstevel@tonic-gate 136145916cd2Sjpk if (is_system_labeled() && !admin_low_client) 136245916cd2Sjpk label_rele(tslabel); 136345916cd2Sjpk 13647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1365f3b585ceSsamf out: 1366f3b585ceSsamf DTRACE_NFSV4_2(op__access__done, struct compound_state *, cs, 1367f3b585ceSsamf ACCESS4res *, resp); 13687c478bd9Sstevel@tonic-gate } 13697c478bd9Sstevel@tonic-gate 13707c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13717c478bd9Sstevel@tonic-gate static void 13727c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 13737c478bd9Sstevel@tonic-gate struct compound_state *cs) 13747c478bd9Sstevel@tonic-gate { 13757c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13767c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13777c478bd9Sstevel@tonic-gate int error; 13787c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13797c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13807c478bd9Sstevel@tonic-gate vattr_t va; 13817c478bd9Sstevel@tonic-gate 1382f3b585ceSsamf DTRACE_NFSV4_2(op__commit__start, struct compound_state *, cs, 1383f3b585ceSsamf COMMIT4args *, args); 1384f3b585ceSsamf 13857c478bd9Sstevel@tonic-gate if (vp == NULL) { 13867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1387f3b585ceSsamf goto out; 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1391f3b585ceSsamf goto out; 13927c478bd9Sstevel@tonic-gate } 13937c478bd9Sstevel@tonic-gate 13947c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1396f3b585ceSsamf goto out; 13977c478bd9Sstevel@tonic-gate } 13987c478bd9Sstevel@tonic-gate 13997c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1400da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate /* 14037c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 14047c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 14057c478bd9Sstevel@tonic-gate */ 14067c478bd9Sstevel@tonic-gate if (error) { 14077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1408f3b585ceSsamf goto out; 14097c478bd9Sstevel@tonic-gate } 14107c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 14117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1412f3b585ceSsamf goto out; 14137c478bd9Sstevel@tonic-gate } 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14167c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14177c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14187c478bd9Sstevel@tonic-gate else 14197c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 1421f3b585ceSsamf goto out; 14227c478bd9Sstevel@tonic-gate } 14237c478bd9Sstevel@tonic-gate 14247c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1425da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 14267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1427f3b585ceSsamf goto out; 14287c478bd9Sstevel@tonic-gate } 14297c478bd9Sstevel@tonic-gate 1430da6c28aaSamw error = VOP_PUTPAGE(vp, args->offset, args->count, 0, cr, NULL); 14317c478bd9Sstevel@tonic-gate if (!error) 1432da6c28aaSamw error = VOP_FSYNC(vp, FNODSYNC, cr, NULL); 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate if (error) { 14357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1436f3b585ceSsamf goto out; 14377c478bd9Sstevel@tonic-gate } 14387c478bd9Sstevel@tonic-gate 14397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14407c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 1441f3b585ceSsamf out: 1442f3b585ceSsamf DTRACE_NFSV4_2(op__commit__done, struct compound_state *, cs, 1443f3b585ceSsamf COMMIT4res *, resp); 14447c478bd9Sstevel@tonic-gate } 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate /* 14477c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14487c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14497c478bd9Sstevel@tonic-gate */ 14507c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14517c478bd9Sstevel@tonic-gate static vnode_t * 14527c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 14537c478bd9Sstevel@tonic-gate struct compound_state *cs, vattr_t *vap, char *nm) 14547c478bd9Sstevel@tonic-gate { 14557c478bd9Sstevel@tonic-gate int error; 14567c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14577c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14587c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14597c478bd9Sstevel@tonic-gate int mode; 14607c478bd9Sstevel@tonic-gate enum vcexcl excl; 14617c478bd9Sstevel@tonic-gate 14627c478bd9Sstevel@tonic-gate switch (args->type) { 14637c478bd9Sstevel@tonic-gate case NF4CHR: 14647c478bd9Sstevel@tonic-gate case NF4BLK: 14657c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14677c478bd9Sstevel@tonic-gate return (NULL); 14687c478bd9Sstevel@tonic-gate } 14697c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14707c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14717c478bd9Sstevel@tonic-gate else 14727c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14737c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14741b300de9Sjwahlig args->ftype4_u.devdata.specdata2); 14757c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14767c478bd9Sstevel@tonic-gate break; 14777c478bd9Sstevel@tonic-gate case NF4SOCK: 14787c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14797c478bd9Sstevel@tonic-gate break; 14807c478bd9Sstevel@tonic-gate case NF4FIFO: 14817c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14827c478bd9Sstevel@tonic-gate break; 14837c478bd9Sstevel@tonic-gate default: 14847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14857c478bd9Sstevel@tonic-gate return (NULL); 14867c478bd9Sstevel@tonic-gate } 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate /* 14897c478bd9Sstevel@tonic-gate * Must specify the mode. 14907c478bd9Sstevel@tonic-gate */ 14917c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14937c478bd9Sstevel@tonic-gate return (NULL); 14947c478bd9Sstevel@tonic-gate } 14957c478bd9Sstevel@tonic-gate 14967c478bd9Sstevel@tonic-gate excl = EXCL; 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate mode = 0; 14997c478bd9Sstevel@tonic-gate 1500da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 15017c478bd9Sstevel@tonic-gate if (error) { 15027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 15037c478bd9Sstevel@tonic-gate return (NULL); 15047c478bd9Sstevel@tonic-gate } 15057c478bd9Sstevel@tonic-gate return (vp); 15067c478bd9Sstevel@tonic-gate } 15077c478bd9Sstevel@tonic-gate 15087c478bd9Sstevel@tonic-gate /* 15097c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 15107c478bd9Sstevel@tonic-gate * use nfsv4 open. 15117c478bd9Sstevel@tonic-gate */ 15127c478bd9Sstevel@tonic-gate /* ARGSUSED */ 15137c478bd9Sstevel@tonic-gate static void 15147c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 15157c478bd9Sstevel@tonic-gate struct compound_state *cs) 15167c478bd9Sstevel@tonic-gate { 15177c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15187c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15197c478bd9Sstevel@tonic-gate int error; 15207c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15217c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15227c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15237c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 1524fd7da618Sgt vnode_t *realvp; 15257c478bd9Sstevel@tonic-gate char *nm, *lnm; 15267c478bd9Sstevel@tonic-gate uint_t len, llen; 15277c478bd9Sstevel@tonic-gate int syncval = 0; 15287c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15297c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15307c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15317c478bd9Sstevel@tonic-gate nfsstat4 status; 1532b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1533b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 1534b89a8333Snatalie li - Sun Microsystems - Irvine United States char *lname = NULL; 15357c478bd9Sstevel@tonic-gate 1536f3b585ceSsamf DTRACE_NFSV4_2(op__create__start, struct compound_state *, cs, 1537f3b585ceSsamf CREATE4args *, args); 1538f3b585ceSsamf 15397c478bd9Sstevel@tonic-gate resp->attrset = 0; 15407c478bd9Sstevel@tonic-gate 15417c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1543f3b585ceSsamf goto out; 15447c478bd9Sstevel@tonic-gate } 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate /* 15477c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15487c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15497c478bd9Sstevel@tonic-gate */ 15507c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1552f3b585ceSsamf goto out; 15537c478bd9Sstevel@tonic-gate } 15547c478bd9Sstevel@tonic-gate 15557c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15567c478bd9Sstevel@tonic-gate switch (args->type) { 15577c478bd9Sstevel@tonic-gate case NF4LNK: 15587c478bd9Sstevel@tonic-gate case NF4BLK: 15597c478bd9Sstevel@tonic-gate case NF4CHR: 15607c478bd9Sstevel@tonic-gate case NF4SOCK: 15617c478bd9Sstevel@tonic-gate case NF4FIFO: 15627c478bd9Sstevel@tonic-gate case NF4DIR: 15637c478bd9Sstevel@tonic-gate break; 15647c478bd9Sstevel@tonic-gate default: 15657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 1566f3b585ceSsamf goto out; 15677c478bd9Sstevel@tonic-gate }; 15687c478bd9Sstevel@tonic-gate 15697c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1571f3b585ceSsamf goto out; 15727c478bd9Sstevel@tonic-gate } 15737c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1575f3b585ceSsamf goto out; 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1579f3b585ceSsamf goto out; 15807c478bd9Sstevel@tonic-gate } 15817c478bd9Sstevel@tonic-gate 15827c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1584f3b585ceSsamf goto out; 15857c478bd9Sstevel@tonic-gate } 15867c478bd9Sstevel@tonic-gate 15877c478bd9Sstevel@tonic-gate /* 15887c478bd9Sstevel@tonic-gate * Name of newly created object 15897c478bd9Sstevel@tonic-gate */ 15907c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15917c478bd9Sstevel@tonic-gate if (nm == NULL) { 15927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1593f3b585ceSsamf goto out; 15947c478bd9Sstevel@tonic-gate } 15957c478bd9Sstevel@tonic-gate 15967c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15987c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1599f3b585ceSsamf goto out; 16007c478bd9Sstevel@tonic-gate } 16017c478bd9Sstevel@tonic-gate 1602b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for poorly behaved clients */ 1603b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1604b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1605b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 1606b89a8333Snatalie li - Sun Microsystems - Irvine United States 1607b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1608b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1609b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1610b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1611b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1612b89a8333Snatalie li - Sun Microsystems - Irvine United States 16137c478bd9Sstevel@tonic-gate resp->attrset = 0; 16147c478bd9Sstevel@tonic-gate 16157c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 16167c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 16177c478bd9Sstevel@tonic-gate 16187c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 16191b300de9Sjwahlig &args->createattrs, cs, &sarg, &ntov, NFS4ATTR_SETIT); 16207c478bd9Sstevel@tonic-gate 16217c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 16227c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 16237c478bd9Sstevel@tonic-gate 16247c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 16257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 16267c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16277c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16287c478bd9Sstevel@tonic-gate resp->attrset = 0; 1629f3b585ceSsamf goto out; 16307c478bd9Sstevel@tonic-gate } 16317c478bd9Sstevel@tonic-gate 16327c478bd9Sstevel@tonic-gate /* Get "before" change value */ 16337c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 1634da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cr, NULL); 16357c478bd9Sstevel@tonic-gate if (error) { 16367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 16377c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16387c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16397c478bd9Sstevel@tonic-gate resp->attrset = 0; 1640f3b585ceSsamf goto out; 16417c478bd9Sstevel@tonic-gate } 16427c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 16437c478bd9Sstevel@tonic-gate 16447c478bd9Sstevel@tonic-gate vap = sarg.vap; 16457c478bd9Sstevel@tonic-gate 16467c478bd9Sstevel@tonic-gate /* 16477c478bd9Sstevel@tonic-gate * Set default initial values for attributes when not specified 16487c478bd9Sstevel@tonic-gate * in createattrs. 16497c478bd9Sstevel@tonic-gate */ 16507c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_UID) == 0) { 16517c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 16527c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 16537c478bd9Sstevel@tonic-gate } 16547c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_GID) == 0) { 16557c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 16567c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 16577c478bd9Sstevel@tonic-gate } 16587c478bd9Sstevel@tonic-gate 16597c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16607c478bd9Sstevel@tonic-gate switch (args->type) { 16617c478bd9Sstevel@tonic-gate case NF4DIR: 16627c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16637c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16647c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16657c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16667c478bd9Sstevel@tonic-gate } 1667da6c28aaSamw error = VOP_MKDIR(dvp, nm, vap, &vp, cr, NULL, 0, NULL); 16687c478bd9Sstevel@tonic-gate if (error) 16697c478bd9Sstevel@tonic-gate break; 16707c478bd9Sstevel@tonic-gate 16717c478bd9Sstevel@tonic-gate /* 16727c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16737c478bd9Sstevel@tonic-gate * set to zero 16747c478bd9Sstevel@tonic-gate */ 16757c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1676da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16777c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16787c478bd9Sstevel@tonic-gate break; 16797c478bd9Sstevel@tonic-gate case NF4LNK: 16807c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16817c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16827c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16837c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate 16867c478bd9Sstevel@tonic-gate /* 16877c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16887c478bd9Sstevel@tonic-gate */ 16897c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1693b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1694b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 16957c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16967c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16977c478bd9Sstevel@tonic-gate resp->attrset = 0; 1698f3b585ceSsamf goto out; 16997c478bd9Sstevel@tonic-gate } 17007c478bd9Sstevel@tonic-gate 17017c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 17027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 1703b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1704b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 1705b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1706b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lnm, llen); 1707b89a8333Snatalie li - Sun Microsystems - Irvine United States nfs4_ntov_table_free(&ntov, &sarg); 1708b89a8333Snatalie li - Sun Microsystems - Irvine United States resp->attrset = 0; 1709b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1710b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1711b89a8333Snatalie li - Sun Microsystems - Irvine United States 1712b89a8333Snatalie li - Sun Microsystems - Irvine United States lname = nfscmd_convname(ca, cs->exi, lnm, 1713b89a8333Snatalie li - Sun Microsystems - Irvine United States NFSCMD_CONV_INBOUND, MAXPATHLEN + 1); 1714b89a8333Snatalie li - Sun Microsystems - Irvine United States 1715b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname == NULL) { 1716b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 1717b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1718b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17197c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17207c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17217c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17227c478bd9Sstevel@tonic-gate resp->attrset = 0; 1723f3b585ceSsamf goto out; 17247c478bd9Sstevel@tonic-gate } 17257c478bd9Sstevel@tonic-gate 1726da6c28aaSamw error = VOP_SYMLINK(dvp, nm, vap, lnm, cr, NULL, 0); 1727b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname != lnm) 1728b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lname, MAXPATHLEN + 1); 17297c478bd9Sstevel@tonic-gate if (lnm != NULL) 17307c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17317c478bd9Sstevel@tonic-gate if (error) 17327c478bd9Sstevel@tonic-gate break; 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate /* 17357c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17367c478bd9Sstevel@tonic-gate * set to zero 17377c478bd9Sstevel@tonic-gate */ 17387c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1739da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17407c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17417c478bd9Sstevel@tonic-gate 1742da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, 1743da6c28aaSamw NULL, NULL, NULL); 17447c478bd9Sstevel@tonic-gate if (error) 17457c478bd9Sstevel@tonic-gate break; 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate /* 17487c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 17497c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 17507c478bd9Sstevel@tonic-gate */ 17517c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 1752da6c28aaSamw if (VOP_GETATTR(dvp, &iva2, 0, cs->cr, NULL) || 17531b300de9Sjwahlig iva2.va_seq != iva.va_seq) 17547c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17557c478bd9Sstevel@tonic-gate break; 17567c478bd9Sstevel@tonic-gate default: 17577c478bd9Sstevel@tonic-gate /* 17587c478bd9Sstevel@tonic-gate * probably a special file. 17597c478bd9Sstevel@tonic-gate */ 17607c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 17617c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 17627c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 17637c478bd9Sstevel@tonic-gate } 17647c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 17657c478bd9Sstevel@tonic-gate /* 17667c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 17677c478bd9Sstevel@tonic-gate */ 17687c478bd9Sstevel@tonic-gate vp = do_rfs4_op_mknod(args, resp, req, cs, vap, nm); 17697c478bd9Sstevel@tonic-gate 17707c478bd9Sstevel@tonic-gate if (vp == NULL) { 1771b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1772b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17737c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17747c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17757c478bd9Sstevel@tonic-gate resp->attrset = 0; 1776f3b585ceSsamf goto out; 17777c478bd9Sstevel@tonic-gate } 17787c478bd9Sstevel@tonic-gate 17797c478bd9Sstevel@tonic-gate /* 17807c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17817c478bd9Sstevel@tonic-gate * set to zero 17827c478bd9Sstevel@tonic-gate */ 17837c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1784da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17857c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate break; 17887c478bd9Sstevel@tonic-gate } 1789b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1790b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17917c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate if (error) { 17947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17957c478bd9Sstevel@tonic-gate } 17967c478bd9Sstevel@tonic-gate 17977c478bd9Sstevel@tonic-gate /* 17987c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 17997c478bd9Sstevel@tonic-gate */ 1800da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cr, NULL); 18017c478bd9Sstevel@tonic-gate 18027c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18037c478bd9Sstevel@tonic-gate if (vp != NULL) 18047c478bd9Sstevel@tonic-gate VN_RELE(vp); 18057c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18067c478bd9Sstevel@tonic-gate resp->attrset = 0; 1807f3b585ceSsamf goto out; 18087c478bd9Sstevel@tonic-gate } 18097c478bd9Sstevel@tonic-gate 18107c478bd9Sstevel@tonic-gate /* 18117c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 18127c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 18137c478bd9Sstevel@tonic-gate * before value. 18147c478bd9Sstevel@tonic-gate */ 18157c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 1816da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cr, NULL)) { 18177c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 18187c478bd9Sstevel@tonic-gate ava.va_seq = 0; 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 18217c478bd9Sstevel@tonic-gate 18227c478bd9Sstevel@tonic-gate /* 18237c478bd9Sstevel@tonic-gate * True verification that object was created with correct 18247c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 18257c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 18267c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 18277c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 18287c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 18297c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 18307c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 18317c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 18327c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 18337c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 18347c478bd9Sstevel@tonic-gate * 18357c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 18367c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 18377c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 18387c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 18397c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 18407c478bd9Sstevel@tonic-gate */ 18417c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 18427c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 18437c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 18467c478bd9Sstevel@tonic-gate if (error) { 18477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate /* 18517c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 18527c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 18537c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 18547c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 18557c478bd9Sstevel@tonic-gate */ 18567c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 18571b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 18587c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 18597c478bd9Sstevel@tonic-gate else 18607c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 18617c478bd9Sstevel@tonic-gate 1862fd7da618Sgt /* 1863fd7da618Sgt * Force modified metadata out to stable storage. 1864fd7da618Sgt * 1865fd7da618Sgt * if a underlying vp exists, pass it to VOP_FSYNC 1866fd7da618Sgt */ 1867fd7da618Sgt if (VOP_REALVP(vp, &realvp, NULL) == 0) 1868fd7da618Sgt (void) VOP_FSYNC(realvp, syncval, cr, NULL); 1869fd7da618Sgt else 1870fd7da618Sgt (void) VOP_FSYNC(vp, syncval, cr, NULL); 18717c478bd9Sstevel@tonic-gate 18727c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18737c478bd9Sstevel@tonic-gate VN_RELE(vp); 1874f3b585ceSsamf goto out; 18757c478bd9Sstevel@tonic-gate } 18767c478bd9Sstevel@tonic-gate if (cs->vp) 18777c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 18787c478bd9Sstevel@tonic-gate 18797c478bd9Sstevel@tonic-gate cs->vp = vp; 18807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1881f3b585ceSsamf out: 1882f3b585ceSsamf DTRACE_NFSV4_2(op__create__done, struct compound_state *, cs, 1883f3b585ceSsamf CREATE4res *, resp); 18847c478bd9Sstevel@tonic-gate } 18857c478bd9Sstevel@tonic-gate 1886f3b585ceSsamf /*ARGSUSED*/ 1887f3b585ceSsamf static void 1888f3b585ceSsamf rfs4_op_delegpurge(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1889f3b585ceSsamf struct compound_state *cs) 1890f3b585ceSsamf { 1891f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__start, struct compound_state *, cs, 1892f3b585ceSsamf DELEGPURGE4args *, &argop->nfs_argop4_u.opdelegpurge); 1893f3b585ceSsamf 1894f3b585ceSsamf rfs4_op_inval(argop, resop, req, cs); 1895f3b585ceSsamf 1896f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__done, struct compound_state *, cs, 1897f3b585ceSsamf DELEGPURGE4res *, &resop->nfs_resop4_u.opdelegpurge); 1898f3b585ceSsamf } 18997c478bd9Sstevel@tonic-gate 19007c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 19017c478bd9Sstevel@tonic-gate static void 19027c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 19037c478bd9Sstevel@tonic-gate struct compound_state *cs) 19047c478bd9Sstevel@tonic-gate { 19057c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 19067c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 19077c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 19087c478bd9Sstevel@tonic-gate nfsstat4 status; 19097c478bd9Sstevel@tonic-gate 1910f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__start, struct compound_state *, cs, 1911f3b585ceSsamf DELEGRETURN4args *, args); 1912f3b585ceSsamf 19137c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 19147c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 19157c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 1916f3b585ceSsamf goto out; 19177c478bd9Sstevel@tonic-gate 19187c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 19197c478bd9Sstevel@tonic-gate if (cs->vp != dsp->finfo->vp) { 19207c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 19217c478bd9Sstevel@tonic-gate } else 19227c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 19237c478bd9Sstevel@tonic-gate 19247c478bd9Sstevel@tonic-gate rfs4_update_lease(dsp->client); 19257c478bd9Sstevel@tonic-gate 19267c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 1927f3b585ceSsamf out: 1928f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__done, struct compound_state *, cs, 1929f3b585ceSsamf DELEGRETURN4res *, resp); 19307c478bd9Sstevel@tonic-gate } 19317c478bd9Sstevel@tonic-gate 19327c478bd9Sstevel@tonic-gate /* 19337c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 19347c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 19357c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 19367c478bd9Sstevel@tonic-gate * 19377c478bd9Sstevel@tonic-gate * e.g. 19387c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 19397c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 19407c478bd9Sstevel@tonic-gate * 19417c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 19427c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 19437c478bd9Sstevel@tonic-gate * server namespace setup. 19447c478bd9Sstevel@tonic-gate */ 19457c478bd9Sstevel@tonic-gate int 19467c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 19477c478bd9Sstevel@tonic-gate { 19487c478bd9Sstevel@tonic-gate int i; 19497c478bd9Sstevel@tonic-gate struct secinfo *sp; 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 19527c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 19537c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 19547c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 19557c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 19567c478bd9Sstevel@tonic-gate } 19577c478bd9Sstevel@tonic-gate } 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 19607c478bd9Sstevel@tonic-gate return (0); 19617c478bd9Sstevel@tonic-gate } 19627c478bd9Sstevel@tonic-gate 19637c478bd9Sstevel@tonic-gate /* 19647c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 19657c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 19667c478bd9Sstevel@tonic-gate * 19677c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 19687c478bd9Sstevel@tonic-gate * 19697c478bd9Sstevel@tonic-gate */ 19707c478bd9Sstevel@tonic-gate static int 19717c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 19727c478bd9Sstevel@tonic-gate { 19737c478bd9Sstevel@tonic-gate int i; 19747c478bd9Sstevel@tonic-gate struct secinfo *sp; 19757c478bd9Sstevel@tonic-gate 19767c478bd9Sstevel@tonic-gate /* 19777c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 19787c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 19797c478bd9Sstevel@tonic-gate */ 19807c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 19817c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 19827c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 19837c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 19847c478bd9Sstevel@tonic-gate return (1); 19857c478bd9Sstevel@tonic-gate } 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate return (0); 19887c478bd9Sstevel@tonic-gate } 19897c478bd9Sstevel@tonic-gate 19907c478bd9Sstevel@tonic-gate /* 19917c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 19927c478bd9Sstevel@tonic-gate */ 19937c478bd9Sstevel@tonic-gate nfsstat4 19947c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 19957c478bd9Sstevel@tonic-gate { 19967c478bd9Sstevel@tonic-gate int authres; 19977c478bd9Sstevel@tonic-gate 19987c478bd9Sstevel@tonic-gate /* 19997c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 20007c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 20017c478bd9Sstevel@tonic-gate */ 20027c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 20037c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20047c478bd9Sstevel@tonic-gate return (*cs->statusp); 20057c478bd9Sstevel@tonic-gate } 20067c478bd9Sstevel@tonic-gate 20077c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 20087c478bd9Sstevel@tonic-gate 20097c478bd9Sstevel@tonic-gate if (authres > 0) { 20107c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 20117c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 20127c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 20137c478bd9Sstevel@tonic-gate } else if (authres == 0) { 20147c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 20157c478bd9Sstevel@tonic-gate } else if (authres == -2) { 20167c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20177c478bd9Sstevel@tonic-gate } else { 20187c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 20197c478bd9Sstevel@tonic-gate } 20207c478bd9Sstevel@tonic-gate return (*cs->statusp); 20217c478bd9Sstevel@tonic-gate } 20227c478bd9Sstevel@tonic-gate 20237c478bd9Sstevel@tonic-gate /* 20247c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 20257c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 20267c478bd9Sstevel@tonic-gate * based on the input bitmap. 20277c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20287c478bd9Sstevel@tonic-gate */ 20297c478bd9Sstevel@tonic-gate static nfsstat4 20307c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 20317c478bd9Sstevel@tonic-gate { 20327c478bd9Sstevel@tonic-gate int i; 20337c478bd9Sstevel@tonic-gate uint_t va_mask; 20347c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 20357c478bd9Sstevel@tonic-gate 20367c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 20377c478bd9Sstevel@tonic-gate sargp->flag = 0; 20387c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 20397c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 20407c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 20417c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 20421b300de9Sjwahlig FH4_ATTRDIR | FH4_NAMEDATTR); 20437c478bd9Sstevel@tonic-gate else 20447c478bd9Sstevel@tonic-gate sargp->xattr = 0; 20457c478bd9Sstevel@tonic-gate 20467c478bd9Sstevel@tonic-gate /* 20477c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 20487c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 20497c478bd9Sstevel@tonic-gate */ 20507c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 20517c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 20527c478bd9Sstevel@tonic-gate else 20537c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 20547c478bd9Sstevel@tonic-gate 20557c478bd9Sstevel@tonic-gate /* 20567c478bd9Sstevel@tonic-gate * generate the va_mask 20577c478bd9Sstevel@tonic-gate * Handle the easy cases first 20587c478bd9Sstevel@tonic-gate */ 20597c478bd9Sstevel@tonic-gate switch (breq) { 20607c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 20617c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 20627c478bd9Sstevel@tonic-gate return (NFS4_OK); 20637c478bd9Sstevel@tonic-gate 20647c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 20657c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 20667c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20677c478bd9Sstevel@tonic-gate return (NFS4_OK); 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 20707c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 20717c478bd9Sstevel@tonic-gate return (NFS4_OK); 20727c478bd9Sstevel@tonic-gate 20737c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 20747c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 20757c478bd9Sstevel@tonic-gate return (NFS4_OK); 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate default: 20787c478bd9Sstevel@tonic-gate va_mask = 0; 20797c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 20807c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 20811b300de9Sjwahlig nfs4_ntov_map[i].vbit) 20827c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 20837c478bd9Sstevel@tonic-gate } 20847c478bd9Sstevel@tonic-gate 20857c478bd9Sstevel@tonic-gate /* 20867c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 20877c478bd9Sstevel@tonic-gate */ 20887c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 20897c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20907c478bd9Sstevel@tonic-gate 20917c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 20927c478bd9Sstevel@tonic-gate return (NFS4_OK); 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate /* NOTREACHED */ 20957c478bd9Sstevel@tonic-gate } 20967c478bd9Sstevel@tonic-gate 20977c478bd9Sstevel@tonic-gate /* 20987c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 20997c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 21007c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 21017c478bd9Sstevel@tonic-gate */ 21027c478bd9Sstevel@tonic-gate static nfsstat4 21037c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 21047c478bd9Sstevel@tonic-gate { 21057c478bd9Sstevel@tonic-gate int error; 21067c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 21077c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 21087c478bd9Sstevel@tonic-gate 21097c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 21107c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 21117c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 21127c478bd9Sstevel@tonic-gate return (puterrno4(error)); 21137c478bd9Sstevel@tonic-gate } 21147c478bd9Sstevel@tonic-gate } 21157c478bd9Sstevel@tonic-gate 21167c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 21177c478bd9Sstevel@tonic-gate } 21187c478bd9Sstevel@tonic-gate 21197c478bd9Sstevel@tonic-gate static void 21207c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 21217c478bd9Sstevel@tonic-gate { 21227c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 21231b300de9Sjwahlig KM_SLEEP); 21247c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 21257c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 21267c478bd9Sstevel@tonic-gate } 21277c478bd9Sstevel@tonic-gate 21287c478bd9Sstevel@tonic-gate static void 21297c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 21307c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 21317c478bd9Sstevel@tonic-gate { 21327c478bd9Sstevel@tonic-gate int i; 21337c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21347c478bd9Sstevel@tonic-gate uint8_t *amap; 21357c478bd9Sstevel@tonic-gate 21367c478bd9Sstevel@tonic-gate /* 21377c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 21387c478bd9Sstevel@tonic-gate */ 21397c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21401b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 21417c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 21421b300de9Sjwahlig NFS4ATTR_FREEIT, sargp, na); 21437c478bd9Sstevel@tonic-gate } 21447c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 21457c478bd9Sstevel@tonic-gate /* 21467c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 21477c478bd9Sstevel@tonic-gate */ 21487c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21491b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 21507c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 21517c478bd9Sstevel@tonic-gate } 21527c478bd9Sstevel@tonic-gate } 21537c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 21547c478bd9Sstevel@tonic-gate } 21557c478bd9Sstevel@tonic-gate 21567c478bd9Sstevel@tonic-gate /* 21577c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 21587c478bd9Sstevel@tonic-gate */ 21597c478bd9Sstevel@tonic-gate static nfsstat4 21607c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 21617c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 21627c478bd9Sstevel@tonic-gate { 21637c478bd9Sstevel@tonic-gate int error = 0; 21647c478bd9Sstevel@tonic-gate int i, k; 21657c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 21667c478bd9Sstevel@tonic-gate XDR xdr; 21677c478bd9Sstevel@tonic-gate ulong_t xdr_size; 21687c478bd9Sstevel@tonic-gate char *xdr_attrs; 21697c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 21707c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 21717c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21727c478bd9Sstevel@tonic-gate uint8_t *amap; 21737c478bd9Sstevel@tonic-gate 21747c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 21757c478bd9Sstevel@tonic-gate sargp->flag = 0; 21767c478bd9Sstevel@tonic-gate 21777c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 21787c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 21797c478bd9Sstevel@tonic-gate if (breq == 0) { 21807c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 21817c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21827c478bd9Sstevel@tonic-gate return (NFS4_OK); 21837c478bd9Sstevel@tonic-gate } 21847c478bd9Sstevel@tonic-gate 21857c478bd9Sstevel@tonic-gate /* 21867c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 21877c478bd9Sstevel@tonic-gate */ 21887c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 21897c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 21907c478bd9Sstevel@tonic-gate 21917c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 21927c478bd9Sstevel@tonic-gate na = ntov.na; 21937c478bd9Sstevel@tonic-gate amap = ntov.amap; 21947c478bd9Sstevel@tonic-gate 21957c478bd9Sstevel@tonic-gate /* 21967c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 21977c478bd9Sstevel@tonic-gate */ 21987c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 21997c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 22007c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 22011b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 22041b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 22057c478bd9Sstevel@tonic-gate 22067c478bd9Sstevel@tonic-gate /* 22077c478bd9Sstevel@tonic-gate * Possible error values: 22087c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 22097c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 22107c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 22117c478bd9Sstevel@tonic-gate * attribute cannot be returned. 22127c478bd9Sstevel@tonic-gate */ 22137c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 22147c478bd9Sstevel@tonic-gate goto done; 22157c478bd9Sstevel@tonic-gate /* 22167c478bd9Sstevel@tonic-gate * If error then just for entry 22177c478bd9Sstevel@tonic-gate */ 22187c478bd9Sstevel@tonic-gate if (error == 0) { 22197c478bd9Sstevel@tonic-gate fattrp->attrmask |= 22201b300de9Sjwahlig nfs4_ntov_map[i].fbit; 22217c478bd9Sstevel@tonic-gate *amap++ = 22221b300de9Sjwahlig (uint8_t)nfs4_ntov_map[i].nval; 22237c478bd9Sstevel@tonic-gate na++; 22247c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 22257c478bd9Sstevel@tonic-gate } else if ((error > 0) && 22261b300de9Sjwahlig (sargp->rdattr_error == NFS4_OK)) { 22277c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 22287c478bd9Sstevel@tonic-gate } 22297c478bd9Sstevel@tonic-gate error = 0; 22307c478bd9Sstevel@tonic-gate } 22317c478bd9Sstevel@tonic-gate } 22327c478bd9Sstevel@tonic-gate } 22337c478bd9Sstevel@tonic-gate 22347c478bd9Sstevel@tonic-gate /* 22357c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 22367c478bd9Sstevel@tonic-gate * update it. 22377c478bd9Sstevel@tonic-gate */ 22387c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 22397c478bd9Sstevel@tonic-gate na = ntov.na; 22407c478bd9Sstevel@tonic-gate amap = ntov.amap; 22417c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22427c478bd9Sstevel@tonic-gate k = *amap; 22437c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 22447c478bd9Sstevel@tonic-gate continue; 22457c478bd9Sstevel@tonic-gate } 22467c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 22477c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 22481b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 22497c478bd9Sstevel@tonic-gate 22507c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 22511b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 22527c478bd9Sstevel@tonic-gate } 22537c478bd9Sstevel@tonic-gate break; 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate } 22567c478bd9Sstevel@tonic-gate 22577c478bd9Sstevel@tonic-gate xdr_size = 0; 22587c478bd9Sstevel@tonic-gate na = ntov.na; 22597c478bd9Sstevel@tonic-gate amap = ntov.amap; 22607c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22617c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 22627c478bd9Sstevel@tonic-gate } 22637c478bd9Sstevel@tonic-gate 22647c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 22657c478bd9Sstevel@tonic-gate if (xdr_size) { 22667c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 22677c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 22687c478bd9Sstevel@tonic-gate 22697c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 22707c478bd9Sstevel@tonic-gate 22717c478bd9Sstevel@tonic-gate na = ntov.na; 22727c478bd9Sstevel@tonic-gate amap = ntov.amap; 22737c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22747c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 22750a701b1eSRobert Gordon DTRACE_PROBE1(nfss__e__getattr4_encfail, 22760a701b1eSRobert Gordon int, *amap); 22777c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 22787c478bd9Sstevel@tonic-gate break; 22797c478bd9Sstevel@tonic-gate } 22807c478bd9Sstevel@tonic-gate } 22817c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 22827c478bd9Sstevel@tonic-gate } else { 22837c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate done: 22867c478bd9Sstevel@tonic-gate 22877c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 22887c478bd9Sstevel@tonic-gate 22897c478bd9Sstevel@tonic-gate if (error != 0) 22907c478bd9Sstevel@tonic-gate status = puterrno4(error); 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate return (status); 22937c478bd9Sstevel@tonic-gate } 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22967c478bd9Sstevel@tonic-gate static void 22977c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 22987c478bd9Sstevel@tonic-gate struct compound_state *cs) 22997c478bd9Sstevel@tonic-gate { 23007c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 23017c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23027c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 23037c478bd9Sstevel@tonic-gate struct statvfs64 sb; 23047c478bd9Sstevel@tonic-gate nfsstat4 status; 23057c478bd9Sstevel@tonic-gate 2306f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__start, struct compound_state *, cs, 2307f3b585ceSsamf GETATTR4args *, args); 2308f3b585ceSsamf 23097c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2311f3b585ceSsamf goto out; 23127c478bd9Sstevel@tonic-gate } 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2316f3b585ceSsamf goto out; 23177c478bd9Sstevel@tonic-gate } 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 23207c478bd9Sstevel@tonic-gate sarg.cs = cs; 23217c478bd9Sstevel@tonic-gate 23227c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 23237c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 23247c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 23257c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 23267c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 23271b300de9Sjwahlig &resp->obj_attributes, &sarg); 23287c478bd9Sstevel@tonic-gate } 23297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 2330f3b585ceSsamf out: 2331f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__done, struct compound_state *, cs, 2332f3b585ceSsamf GETATTR4res *, resp); 23337c478bd9Sstevel@tonic-gate } 23347c478bd9Sstevel@tonic-gate 23357c478bd9Sstevel@tonic-gate static void 23367c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 23377c478bd9Sstevel@tonic-gate { 23387c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23397c478bd9Sstevel@tonic-gate 23407c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 23417c478bd9Sstevel@tonic-gate } 23427c478bd9Sstevel@tonic-gate 23437c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23447c478bd9Sstevel@tonic-gate static void 23457c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 23467c478bd9Sstevel@tonic-gate struct compound_state *cs) 23477c478bd9Sstevel@tonic-gate { 23487c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23497c478bd9Sstevel@tonic-gate 2350f3b585ceSsamf DTRACE_NFSV4_1(op__getfh__start, struct compound_state *, cs); 2351f3b585ceSsamf 23527c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2354f3b585ceSsamf goto out; 23557c478bd9Sstevel@tonic-gate } 23567c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2358f3b585ceSsamf goto out; 23597c478bd9Sstevel@tonic-gate } 23607c478bd9Sstevel@tonic-gate 23617c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 23621b300de9Sjwahlig kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 23637c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 23647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2365f3b585ceSsamf out: 2366f3b585ceSsamf DTRACE_NFSV4_2(op__getfh__done, struct compound_state *, cs, 2367f3b585ceSsamf GETFH4res *, resp); 23687c478bd9Sstevel@tonic-gate } 23697c478bd9Sstevel@tonic-gate 23707c478bd9Sstevel@tonic-gate static void 23717c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 23727c478bd9Sstevel@tonic-gate { 23737c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23747c478bd9Sstevel@tonic-gate 23757c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 23767c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 23777c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 23787c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 23797c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 23807c478bd9Sstevel@tonic-gate } 23817c478bd9Sstevel@tonic-gate } 23827c478bd9Sstevel@tonic-gate 23837c478bd9Sstevel@tonic-gate /* 23847c478bd9Sstevel@tonic-gate * illegal: args: void 23857c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 23867c478bd9Sstevel@tonic-gate */ 23877c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23887c478bd9Sstevel@tonic-gate static void 23897c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 23907c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 23917c478bd9Sstevel@tonic-gate { 23927c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 23937c478bd9Sstevel@tonic-gate 23947c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 23957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 23967c478bd9Sstevel@tonic-gate } 23977c478bd9Sstevel@tonic-gate 23987c478bd9Sstevel@tonic-gate /* 23997c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 24007c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 24017c478bd9Sstevel@tonic-gate */ 24027c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24037c478bd9Sstevel@tonic-gate static void 24047c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 24057c478bd9Sstevel@tonic-gate struct compound_state *cs) 24067c478bd9Sstevel@tonic-gate { 24077c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 24087c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 24097c478bd9Sstevel@tonic-gate int error; 24107c478bd9Sstevel@tonic-gate vnode_t *vp; 24117c478bd9Sstevel@tonic-gate vnode_t *dvp; 24127c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 24137c478bd9Sstevel@tonic-gate char *nm; 24147c478bd9Sstevel@tonic-gate uint_t len; 2415b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2416b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 24177c478bd9Sstevel@tonic-gate 2418f3b585ceSsamf DTRACE_NFSV4_2(op__link__start, struct compound_state *, cs, 2419f3b585ceSsamf LINK4args *, args); 2420f3b585ceSsamf 24217c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 24227c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 24237c478bd9Sstevel@tonic-gate if (vp == NULL) { 24247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2425f3b585ceSsamf goto out; 24267c478bd9Sstevel@tonic-gate } 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 24297c478bd9Sstevel@tonic-gate dvp = cs->vp; 24307c478bd9Sstevel@tonic-gate if (dvp == NULL) { 24317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2432f3b585ceSsamf goto out; 24337c478bd9Sstevel@tonic-gate } 24347c478bd9Sstevel@tonic-gate 24357c478bd9Sstevel@tonic-gate /* 24367c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 24377c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 24387c478bd9Sstevel@tonic-gate */ 24397c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 24407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2441f3b585ceSsamf goto out; 24427c478bd9Sstevel@tonic-gate } 24437c478bd9Sstevel@tonic-gate 24447c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 24457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2446f3b585ceSsamf goto out; 24477c478bd9Sstevel@tonic-gate } 24487c478bd9Sstevel@tonic-gate 24497c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 24507c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 24517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 2452f3b585ceSsamf goto out; 24537c478bd9Sstevel@tonic-gate } 24547c478bd9Sstevel@tonic-gate 24557c478bd9Sstevel@tonic-gate /* Check target directory's type */ 24567c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 24577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2458f3b585ceSsamf goto out; 24597c478bd9Sstevel@tonic-gate } 24607c478bd9Sstevel@tonic-gate 24617c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 24627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 2463f3b585ceSsamf goto out; 24647c478bd9Sstevel@tonic-gate } 24657c478bd9Sstevel@tonic-gate 24667c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 24677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2468f3b585ceSsamf goto out; 24697c478bd9Sstevel@tonic-gate } 24707c478bd9Sstevel@tonic-gate 24717c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 24727c478bd9Sstevel@tonic-gate if (nm == NULL) { 24737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2474f3b585ceSsamf goto out; 24757c478bd9Sstevel@tonic-gate } 24767c478bd9Sstevel@tonic-gate 24777c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 24787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 24797c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2480f3b585ceSsamf goto out; 24817c478bd9Sstevel@tonic-gate } 24827c478bd9Sstevel@tonic-gate 24837c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 24847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 24857c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2486f3b585ceSsamf goto out; 24877c478bd9Sstevel@tonic-gate } 24887c478bd9Sstevel@tonic-gate 24897c478bd9Sstevel@tonic-gate /* Get "before" change value */ 24907c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2491da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 24927c478bd9Sstevel@tonic-gate if (error) { 24937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 24947c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2495f3b585ceSsamf goto out; 24967c478bd9Sstevel@tonic-gate } 24977c478bd9Sstevel@tonic-gate 2498b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2499b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2500b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2501b89a8333Snatalie li - Sun Microsystems - Irvine United States 2502b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2503b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2504b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2505b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2506b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2507b89a8333Snatalie li - Sun Microsystems - Irvine United States 25087c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 25097c478bd9Sstevel@tonic-gate 2510b89a8333Snatalie li - Sun Microsystems - Irvine United States error = VOP_LINK(dvp, vp, name, cs->cr, NULL, 0); 25117c478bd9Sstevel@tonic-gate 2512b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 2513b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 25147c478bd9Sstevel@tonic-gate kmem_free(nm, len); 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate /* 25177c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 25187c478bd9Sstevel@tonic-gate */ 25197c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2520da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 25217c478bd9Sstevel@tonic-gate idva.va_seq = 0; 25227c478bd9Sstevel@tonic-gate 25237c478bd9Sstevel@tonic-gate /* 25247c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 25257c478bd9Sstevel@tonic-gate */ 2526da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2527da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 25287c478bd9Sstevel@tonic-gate 25297c478bd9Sstevel@tonic-gate if (error) { 25307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 2531f3b585ceSsamf goto out; 25327c478bd9Sstevel@tonic-gate } 25337c478bd9Sstevel@tonic-gate 25347c478bd9Sstevel@tonic-gate /* 25357c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 25367c478bd9Sstevel@tonic-gate * before value. 25377c478bd9Sstevel@tonic-gate */ 25387c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2539da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 25407c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 25417c478bd9Sstevel@tonic-gate adva.va_seq = 0; 25427c478bd9Sstevel@tonic-gate } 25437c478bd9Sstevel@tonic-gate 25447c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 25457c478bd9Sstevel@tonic-gate 25467c478bd9Sstevel@tonic-gate /* 25477c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 25487c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 25497c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 25507c478bd9Sstevel@tonic-gate */ 25517c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 25521b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 25537c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 25547c478bd9Sstevel@tonic-gate else 25557c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 25567c478bd9Sstevel@tonic-gate 25577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2558f3b585ceSsamf out: 2559f3b585ceSsamf DTRACE_NFSV4_2(op__link__done, struct compound_state *, cs, 2560f3b585ceSsamf LINK4res *, resp); 25617c478bd9Sstevel@tonic-gate } 25627c478bd9Sstevel@tonic-gate 25637c478bd9Sstevel@tonic-gate /* 25647c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 25657c478bd9Sstevel@tonic-gate */ 25667c478bd9Sstevel@tonic-gate 25677c478bd9Sstevel@tonic-gate /* ARGSUSED */ 25687c478bd9Sstevel@tonic-gate static nfsstat4 25697c478bd9Sstevel@tonic-gate do_rfs4_op_lookup(char *nm, uint_t buflen, struct svc_req *req, 25707c478bd9Sstevel@tonic-gate struct compound_state *cs) 25717c478bd9Sstevel@tonic-gate { 25727c478bd9Sstevel@tonic-gate int error; 25737c478bd9Sstevel@tonic-gate int different_export = 0; 25747c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 25757c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 25767c478bd9Sstevel@tonic-gate nfsstat4 stat; 25777c478bd9Sstevel@tonic-gate fid_t fid; 25787c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 25797c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 25807c478bd9Sstevel@tonic-gate 25817c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 25827c478bd9Sstevel@tonic-gate attrdir = 1; 25837c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 25847c478bd9Sstevel@tonic-gate } else { 25857c478bd9Sstevel@tonic-gate attrdir = 0; 25867c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 25877c478bd9Sstevel@tonic-gate } 25887c478bd9Sstevel@tonic-gate 25897c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 25907c478bd9Sstevel@tonic-gate 25917c478bd9Sstevel@tonic-gate /* 25927c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 25937c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 25947c478bd9Sstevel@tonic-gate * export point. 25957c478bd9Sstevel@tonic-gate */ 25967c478bd9Sstevel@tonic-gate if (dotdot) { 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate /* 25997c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 26007c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 26017c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 26027c478bd9Sstevel@tonic-gate */ 26037c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 26047c478bd9Sstevel@tonic-gate 26057c478bd9Sstevel@tonic-gate /* 26067c478bd9Sstevel@tonic-gate * If at the system root, then can 26077c478bd9Sstevel@tonic-gate * go up no further. 26087c478bd9Sstevel@tonic-gate */ 26097c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 26107c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26117c478bd9Sstevel@tonic-gate 26127c478bd9Sstevel@tonic-gate /* 26137c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 26147c478bd9Sstevel@tonic-gate */ 26157c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 26167c478bd9Sstevel@tonic-gate 26177c478bd9Sstevel@tonic-gate /* 26187c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 26197c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 26207c478bd9Sstevel@tonic-gate * this new filesystem. 26217c478bd9Sstevel@tonic-gate */ 26227c478bd9Sstevel@tonic-gate different_export = 1; 26237c478bd9Sstevel@tonic-gate } else { 26247c478bd9Sstevel@tonic-gate 26257c478bd9Sstevel@tonic-gate /* 26267c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 26277c478bd9Sstevel@tonic-gate * the different_export to get new export info. 26287c478bd9Sstevel@tonic-gate */ 26297c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 26307c478bd9Sstevel@tonic-gate } 26317c478bd9Sstevel@tonic-gate } 26327c478bd9Sstevel@tonic-gate 2633da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2634da6c28aaSamw NULL, NULL, NULL); 26357c478bd9Sstevel@tonic-gate if (error) 26367c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26377c478bd9Sstevel@tonic-gate 26387c478bd9Sstevel@tonic-gate /* 26397c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 26407c478bd9Sstevel@tonic-gate * 26417c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 26427c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 26437c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 26447c478bd9Sstevel@tonic-gate * from V2/V3. 26457c478bd9Sstevel@tonic-gate * 26467c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 26477c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 26487c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 26497c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 26507c478bd9Sstevel@tonic-gate */ 26517c478bd9Sstevel@tonic-gate if (!different_export && 26527c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 26537c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 26547c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 26557c478bd9Sstevel@tonic-gate VN_RELE(vp); 26567c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26577c478bd9Sstevel@tonic-gate } 26587c478bd9Sstevel@tonic-gate } 26597c478bd9Sstevel@tonic-gate 26607c478bd9Sstevel@tonic-gate /* 26617c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 26627c478bd9Sstevel@tonic-gate */ 26637c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 26647c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 26657c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 26667c478bd9Sstevel@tonic-gate 26677c478bd9Sstevel@tonic-gate /* 26687c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 26697c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 26707c478bd9Sstevel@tonic-gate */ 26717c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 26727c478bd9Sstevel@tonic-gate tvp = vp; 26737c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 26747c478bd9Sstevel@tonic-gate VN_RELE(vp); 26757c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 26767c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26777c478bd9Sstevel@tonic-gate } 26787c478bd9Sstevel@tonic-gate vp = tvp; 26797c478bd9Sstevel@tonic-gate different_export = 1; 26807c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 26817c478bd9Sstevel@tonic-gate /* 26827c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 26837c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 26847c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 26857c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 26867c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 26877c478bd9Sstevel@tonic-gate * vfs ptrs. 26887c478bd9Sstevel@tonic-gate */ 26897c478bd9Sstevel@tonic-gate different_export = 1; 26907c478bd9Sstevel@tonic-gate } 26917c478bd9Sstevel@tonic-gate 26927c478bd9Sstevel@tonic-gate if (different_export) { 26937c478bd9Sstevel@tonic-gate 26947c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 26957c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 26967c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 26977c478bd9Sstevel@tonic-gate if (error) { 26987c478bd9Sstevel@tonic-gate VN_RELE(vp); 26997c478bd9Sstevel@tonic-gate if (pre_tvp) 27007c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27017c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27027c478bd9Sstevel@tonic-gate } 27037c478bd9Sstevel@tonic-gate 27047c478bd9Sstevel@tonic-gate if (dotdot) 27057c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 27067c478bd9Sstevel@tonic-gate else 27077c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 27087c478bd9Sstevel@tonic-gate 27097c478bd9Sstevel@tonic-gate if (exi == NULL) { 27107c478bd9Sstevel@tonic-gate if (pre_tvp) { 27117c478bd9Sstevel@tonic-gate /* 27127c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 27137c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 27147c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 27157c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 27167c478bd9Sstevel@tonic-gate * the mounted-on file system. 27177c478bd9Sstevel@tonic-gate */ 27187c478bd9Sstevel@tonic-gate VN_RELE(vp); 27197c478bd9Sstevel@tonic-gate vp = pre_tvp; 27207c478bd9Sstevel@tonic-gate exi = pre_exi; 27217c478bd9Sstevel@tonic-gate } else { 27227c478bd9Sstevel@tonic-gate VN_RELE(vp); 27237c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 27247c478bd9Sstevel@tonic-gate } 27257c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 27267c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 27277c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27287c478bd9Sstevel@tonic-gate } 27297c478bd9Sstevel@tonic-gate 27307c478bd9Sstevel@tonic-gate cs->exi = exi; 27317c478bd9Sstevel@tonic-gate 27327c478bd9Sstevel@tonic-gate /* 27337c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 27347c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 27357c478bd9Sstevel@tonic-gate * exported file system, and if he does, 27367c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 27377c478bd9Sstevel@tonic-gate * 27387c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 27397c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 27407c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 27417c478bd9Sstevel@tonic-gate * checkauth4() 27427c478bd9Sstevel@tonic-gate */ 27437c478bd9Sstevel@tonic-gate crfree(cs->cr); 27447c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate if (cs->vp) 27477c478bd9Sstevel@tonic-gate oldvp = cs->vp; 27487c478bd9Sstevel@tonic-gate cs->vp = vp; 27497c478bd9Sstevel@tonic-gate is_newvp = TRUE; 27507c478bd9Sstevel@tonic-gate 27517c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 27527c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 27537c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27547c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27557c478bd9Sstevel@tonic-gate return (stat); 27567c478bd9Sstevel@tonic-gate } 27577c478bd9Sstevel@tonic-gate } 27587c478bd9Sstevel@tonic-gate 275945916cd2Sjpk /* 276045916cd2Sjpk * After various NFS checks, do a label check on the path 276145916cd2Sjpk * component. The label on this path should either be the 276245916cd2Sjpk * global zone's label or a zone's label. We are only 276345916cd2Sjpk * interested in the zone's label because exported files 276445916cd2Sjpk * in global zone is accessible (though read-only) to 276545916cd2Sjpk * clients. The exportability/visibility check is already 276645916cd2Sjpk * done before reaching this code. 276745916cd2Sjpk */ 276845916cd2Sjpk if (is_system_labeled()) { 276945916cd2Sjpk bslabel_t *clabel; 277045916cd2Sjpk 277145916cd2Sjpk ASSERT(req->rq_label != NULL); 277245916cd2Sjpk clabel = req->rq_label; 277345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 277445916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 277545916cd2Sjpk 277645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 277703986916Sjarrett if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK)) { 277845916cd2Sjpk error = EACCES; 277945916cd2Sjpk goto err_out; 278045916cd2Sjpk } 278145916cd2Sjpk } else { 278245916cd2Sjpk /* 278345916cd2Sjpk * We grant access to admin_low label clients 278445916cd2Sjpk * only if the client is trusted, i.e. also 278545916cd2Sjpk * running Solaris Trusted Extension. 278645916cd2Sjpk */ 278745916cd2Sjpk struct sockaddr *ca; 278845916cd2Sjpk int addr_type; 278945916cd2Sjpk void *ipaddr; 279045916cd2Sjpk tsol_tpc_t *tp; 279145916cd2Sjpk 279245916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 279345916cd2Sjpk req->rq_xprt)->buf; 279445916cd2Sjpk if (ca->sa_family == AF_INET) { 279545916cd2Sjpk addr_type = IPV4_VERSION; 279645916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 279745916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 279845916cd2Sjpk addr_type = IPV6_VERSION; 279945916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 280045916cd2Sjpk ca)->sin6_addr; 280145916cd2Sjpk } 280245916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 280345916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 280445916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 280545916cd2Sjpk SUN_CIPSO) { 280603986916Sjarrett if (tp != NULL) 280703986916Sjarrett TPC_RELE(tp); 280845916cd2Sjpk error = EACCES; 280945916cd2Sjpk goto err_out; 281045916cd2Sjpk } 281103986916Sjarrett TPC_RELE(tp); 281245916cd2Sjpk } 281345916cd2Sjpk } 281445916cd2Sjpk 28157c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 28167c478bd9Sstevel@tonic-gate 281745916cd2Sjpk err_out: 28187c478bd9Sstevel@tonic-gate if (error) { 28197c478bd9Sstevel@tonic-gate if (is_newvp) { 28207c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28217c478bd9Sstevel@tonic-gate cs->vp = oldvp; 28227c478bd9Sstevel@tonic-gate } else 28237c478bd9Sstevel@tonic-gate VN_RELE(vp); 28247c478bd9Sstevel@tonic-gate return (puterrno4(error)); 28257c478bd9Sstevel@tonic-gate } 28267c478bd9Sstevel@tonic-gate 28277c478bd9Sstevel@tonic-gate if (!is_newvp) { 28287c478bd9Sstevel@tonic-gate if (cs->vp) 28297c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28307c478bd9Sstevel@tonic-gate cs->vp = vp; 28317c478bd9Sstevel@tonic-gate } else if (oldvp) 28327c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 28337c478bd9Sstevel@tonic-gate 28347c478bd9Sstevel@tonic-gate /* 28357c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 28367c478bd9Sstevel@tonic-gate * attr fh flag 28377c478bd9Sstevel@tonic-gate */ 28387c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 28397c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 28427c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 28437c478bd9Sstevel@tonic-gate 28447c478bd9Sstevel@tonic-gate return (NFS4_OK); 28457c478bd9Sstevel@tonic-gate } 28467c478bd9Sstevel@tonic-gate 28477c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28487c478bd9Sstevel@tonic-gate static void 28497c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 28507c478bd9Sstevel@tonic-gate struct compound_state *cs) 28517c478bd9Sstevel@tonic-gate { 28527c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 28537c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 28547c478bd9Sstevel@tonic-gate char *nm; 28557c478bd9Sstevel@tonic-gate uint_t len; 2856b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2857b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 28587c478bd9Sstevel@tonic-gate 2859f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__start, struct compound_state *, cs, 2860f3b585ceSsamf LOOKUP4args *, args); 2861f3b585ceSsamf 28627c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 28637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2864f3b585ceSsamf goto out; 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate 28677c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 28687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 2869f3b585ceSsamf goto out; 28707c478bd9Sstevel@tonic-gate } 28717c478bd9Sstevel@tonic-gate 28727c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 28737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2874f3b585ceSsamf goto out; 28757c478bd9Sstevel@tonic-gate } 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 28787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2879f3b585ceSsamf goto out; 28807c478bd9Sstevel@tonic-gate } 28817c478bd9Sstevel@tonic-gate 28827c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 28837c478bd9Sstevel@tonic-gate if (nm == NULL) { 28847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2885f3b585ceSsamf goto out; 28867c478bd9Sstevel@tonic-gate } 28877c478bd9Sstevel@tonic-gate 28887c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 28897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 28907c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2891f3b585ceSsamf goto out; 28927c478bd9Sstevel@tonic-gate } 28937c478bd9Sstevel@tonic-gate 2894b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 28957c478bd9Sstevel@tonic-gate 2896b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2897b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2898b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2899b89a8333Snatalie li - Sun Microsystems - Irvine United States 2900b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2901b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2902b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2903b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2904b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2905b89a8333Snatalie li - Sun Microsystems - Irvine United States 2906b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_lookup(name, len, req, cs); 2907b89a8333Snatalie li - Sun Microsystems - Irvine United States 2908b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 2909b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 29107c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2911f3b585ceSsamf 2912f3b585ceSsamf out: 2913f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__done, struct compound_state *, cs, 2914f3b585ceSsamf LOOKUP4res *, resp); 29157c478bd9Sstevel@tonic-gate } 29167c478bd9Sstevel@tonic-gate 29177c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29187c478bd9Sstevel@tonic-gate static void 29197c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 29207c478bd9Sstevel@tonic-gate struct compound_state *cs) 29217c478bd9Sstevel@tonic-gate { 29227c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 29237c478bd9Sstevel@tonic-gate 2924f3b585ceSsamf DTRACE_NFSV4_1(op__lookupp__start, struct compound_state *, cs); 2925f3b585ceSsamf 29267c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2928f3b585ceSsamf goto out; 29297c478bd9Sstevel@tonic-gate } 29307c478bd9Sstevel@tonic-gate 29317c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2933f3b585ceSsamf goto out; 29347c478bd9Sstevel@tonic-gate } 29357c478bd9Sstevel@tonic-gate 29367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup("..", 3, req, cs); 29377c478bd9Sstevel@tonic-gate 29387c478bd9Sstevel@tonic-gate /* 29397c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 29407c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 29417c478bd9Sstevel@tonic-gate */ 29427c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 29437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 29447c478bd9Sstevel@tonic-gate } 2945f3b585ceSsamf 2946f3b585ceSsamf out: 2947f3b585ceSsamf DTRACE_NFSV4_2(op__lookupp__done, struct compound_state *, cs, 2948f3b585ceSsamf LOOKUPP4res *, resp); 29497c478bd9Sstevel@tonic-gate } 29507c478bd9Sstevel@tonic-gate 29517c478bd9Sstevel@tonic-gate 29527c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 29537c478bd9Sstevel@tonic-gate static void 29547c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 29557c478bd9Sstevel@tonic-gate struct compound_state *cs) 29567c478bd9Sstevel@tonic-gate { 29577c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 29587c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 29597c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 29607c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 29617c478bd9Sstevel@tonic-gate int exp_ro = 0; 29627c478bd9Sstevel@tonic-gate 2963f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__start, struct compound_state *, cs, 2964f3b585ceSsamf OPENATTR4args *, args); 2965f3b585ceSsamf 29667c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2968f3b585ceSsamf goto out; 29697c478bd9Sstevel@tonic-gate } 29707c478bd9Sstevel@tonic-gate 2971da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 29729660e5cbSJanice Chang !vfs_has_feature(cs->vp->v_vfsp, VFSFT_SYSATTR_VIEWS)) { 2973f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 2974f3b585ceSsamf goto out; 29757c478bd9Sstevel@tonic-gate } 29767c478bd9Sstevel@tonic-gate 297793aeed83Smarks /* 297893aeed83Smarks * If file system supports passing ACE mask to VOP_ACCESS then 297993aeed83Smarks * check for ACE_READ_NAMED_ATTRS, otherwise do legacy checks 298093aeed83Smarks */ 298193aeed83Smarks 298293aeed83Smarks if (vfs_has_feature(cs->vp->v_vfsp, VFSFT_ACEMASKONACCESS)) 298393aeed83Smarks error = VOP_ACCESS(cs->vp, ACE_READ_NAMED_ATTRS, 298493aeed83Smarks V_ACE_MASK, cs->cr, NULL); 298593aeed83Smarks else 298693aeed83Smarks error = ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 298793aeed83Smarks (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 298893aeed83Smarks (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)); 298993aeed83Smarks 299093aeed83Smarks if (error) { 2991f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EACCES); 2992f3b585ceSsamf goto out; 29937c478bd9Sstevel@tonic-gate } 29947c478bd9Sstevel@tonic-gate 29957c478bd9Sstevel@tonic-gate /* 29967c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 29977c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 29987c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 29997c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 30007c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 30017c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 30027c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 30037c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 30047c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 30057c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 30067c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 30077c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 30087c478bd9Sstevel@tonic-gate */ 30097c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 30107c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 30117c478bd9Sstevel@tonic-gate 3012da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 3013da6c28aaSamw NULL, NULL, NULL); 30147c478bd9Sstevel@tonic-gate 30157c478bd9Sstevel@tonic-gate if (error) { 30167c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 3017f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EROFS); 30187c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 3019f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3020f3b585ceSsamf else 3021f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3022f3b585ceSsamf goto out; 30237c478bd9Sstevel@tonic-gate } 30247c478bd9Sstevel@tonic-gate 30257c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 30267c478bd9Sstevel@tonic-gate 30277c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 30287c478bd9Sstevel@tonic-gate 30297c478bd9Sstevel@tonic-gate if (error) { 30307c478bd9Sstevel@tonic-gate VN_RELE(avp); 3031f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3032f3b585ceSsamf goto out; 30337c478bd9Sstevel@tonic-gate } 30347c478bd9Sstevel@tonic-gate 30357c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 30367c478bd9Sstevel@tonic-gate cs->vp = avp; 30377c478bd9Sstevel@tonic-gate 30387c478bd9Sstevel@tonic-gate /* 30397c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 30407c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 30417c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 30427c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 30437c478bd9Sstevel@tonic-gate */ 30447c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 30457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30467c478bd9Sstevel@tonic-gate 3047f3b585ceSsamf out: 3048f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__done, struct compound_state *, cs, 3049f3b585ceSsamf OPENATTR4res *, resp); 30507c478bd9Sstevel@tonic-gate } 30517c478bd9Sstevel@tonic-gate 30527c478bd9Sstevel@tonic-gate static int 3053da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 3054da6c28aaSamw caller_context_t *ct) 30557c478bd9Sstevel@tonic-gate { 30567c478bd9Sstevel@tonic-gate int error; 30577c478bd9Sstevel@tonic-gate int i; 30587c478bd9Sstevel@tonic-gate clock_t delaytime; 30597c478bd9Sstevel@tonic-gate 30607c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 30617c478bd9Sstevel@tonic-gate 30627c478bd9Sstevel@tonic-gate /* 30637c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 30647c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 30657c478bd9Sstevel@tonic-gate */ 30667c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 30697c478bd9Sstevel@tonic-gate 30707c478bd9Sstevel@tonic-gate 30717c478bd9Sstevel@tonic-gate if (direction == FREAD) { 3072da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 3073da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 3074da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 30757c478bd9Sstevel@tonic-gate } else { 3076da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 3077da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 3078da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 30797c478bd9Sstevel@tonic-gate } 30807c478bd9Sstevel@tonic-gate 30817c478bd9Sstevel@tonic-gate if (error != EAGAIN) 30827c478bd9Sstevel@tonic-gate break; 30837c478bd9Sstevel@tonic-gate 30847c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 30857c478bd9Sstevel@tonic-gate delay(delaytime); 30867c478bd9Sstevel@tonic-gate delaytime *= 2; 30877c478bd9Sstevel@tonic-gate } 30887c478bd9Sstevel@tonic-gate } 30897c478bd9Sstevel@tonic-gate 30907c478bd9Sstevel@tonic-gate return (error); 30917c478bd9Sstevel@tonic-gate } 30927c478bd9Sstevel@tonic-gate 30937c478bd9Sstevel@tonic-gate /* ARGSUSED */ 30947c478bd9Sstevel@tonic-gate static void 30957c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 30967c478bd9Sstevel@tonic-gate struct compound_state *cs) 30977c478bd9Sstevel@tonic-gate { 30987c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 30997c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 31007c478bd9Sstevel@tonic-gate int error; 31017c478bd9Sstevel@tonic-gate int verror; 31027c478bd9Sstevel@tonic-gate vnode_t *vp; 31037c478bd9Sstevel@tonic-gate struct vattr va; 31047c478bd9Sstevel@tonic-gate struct iovec iov; 31057c478bd9Sstevel@tonic-gate struct uio uio; 31067c478bd9Sstevel@tonic-gate u_offset_t offset; 31077c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 31087c478bd9Sstevel@tonic-gate nfsstat4 stat; 31097c478bd9Sstevel@tonic-gate int in_crit = 0; 31107c478bd9Sstevel@tonic-gate mblk_t *mp; 31117c478bd9Sstevel@tonic-gate int alloc_err = 0; 3112da6c28aaSamw caller_context_t ct; 31137c478bd9Sstevel@tonic-gate 3114f3b585ceSsamf DTRACE_NFSV4_2(op__read__start, struct compound_state *, cs, 3115f3b585ceSsamf READ4args, args); 3116f3b585ceSsamf 31177c478bd9Sstevel@tonic-gate vp = cs->vp; 31187c478bd9Sstevel@tonic-gate if (vp == NULL) { 31197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3120f3b585ceSsamf goto out; 31217c478bd9Sstevel@tonic-gate } 31227c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 31237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3124f3b585ceSsamf goto out; 31257c478bd9Sstevel@tonic-gate } 31267c478bd9Sstevel@tonic-gate 3127da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3128da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 3129da6c28aaSamw *cs->statusp = resp->status = stat; 3130da6c28aaSamw goto out; 3131da6c28aaSamw } 3132da6c28aaSamw 31337c478bd9Sstevel@tonic-gate /* 31347c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 31357c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 31367c478bd9Sstevel@tonic-gate */ 31377c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 31387c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 31397c478bd9Sstevel@tonic-gate in_crit = 1; 3140da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 3141da6c28aaSamw &ct)) { 31427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 31437c478bd9Sstevel@tonic-gate goto out; 31447c478bd9Sstevel@tonic-gate } 31457c478bd9Sstevel@tonic-gate } 31467c478bd9Sstevel@tonic-gate 31477c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3148da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 31497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 31507c478bd9Sstevel@tonic-gate goto out; 31517c478bd9Sstevel@tonic-gate } 31527c478bd9Sstevel@tonic-gate 31537c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 3154da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 31557c478bd9Sstevel@tonic-gate 31567c478bd9Sstevel@tonic-gate /* 31577c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 31587c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 31597c478bd9Sstevel@tonic-gate */ 31607c478bd9Sstevel@tonic-gate if (verror) { 31617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 31627c478bd9Sstevel@tonic-gate goto out; 31637c478bd9Sstevel@tonic-gate } 31647c478bd9Sstevel@tonic-gate 31657c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 31667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 31671b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 31687c478bd9Sstevel@tonic-gate goto out; 31697c478bd9Sstevel@tonic-gate } 31707c478bd9Sstevel@tonic-gate 31717c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 3172da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 3173da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 31747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 31757c478bd9Sstevel@tonic-gate goto out; 31767c478bd9Sstevel@tonic-gate } 31777c478bd9Sstevel@tonic-gate 31787c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 31797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 31807c478bd9Sstevel@tonic-gate goto out; 31817c478bd9Sstevel@tonic-gate } 31827c478bd9Sstevel@tonic-gate 31837c478bd9Sstevel@tonic-gate offset = args->offset; 31847c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 31857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 31867c478bd9Sstevel@tonic-gate resp->eof = TRUE; 31877c478bd9Sstevel@tonic-gate resp->data_len = 0; 31887c478bd9Sstevel@tonic-gate resp->data_val = NULL; 31897c478bd9Sstevel@tonic-gate resp->mblk = NULL; 31900a701b1eSRobert Gordon /* RDMA */ 31910a701b1eSRobert Gordon resp->wlist = args->wlist; 31920a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 31937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 31947c478bd9Sstevel@tonic-gate goto out; 31957c478bd9Sstevel@tonic-gate } 31967c478bd9Sstevel@tonic-gate 31977c478bd9Sstevel@tonic-gate if (args->count == 0) { 31987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 31997c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32007c478bd9Sstevel@tonic-gate resp->data_len = 0; 32017c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32027c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32030a701b1eSRobert Gordon /* RDMA */ 32040a701b1eSRobert Gordon resp->wlist = args->wlist; 32050a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 32067c478bd9Sstevel@tonic-gate goto out; 32077c478bd9Sstevel@tonic-gate } 32087c478bd9Sstevel@tonic-gate 32097c478bd9Sstevel@tonic-gate /* 32107c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 32117c478bd9Sstevel@tonic-gate * transfer size 32127c478bd9Sstevel@tonic-gate */ 32137c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 32147c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 32157c478bd9Sstevel@tonic-gate 32167c478bd9Sstevel@tonic-gate /* 32170a701b1eSRobert Gordon * If returning data via RDMA Write, then grab the chunk list. If we 32180a701b1eSRobert Gordon * aren't returning READ data w/RDMA_WRITE, then grab a mblk. 32197c478bd9Sstevel@tonic-gate */ 32200a701b1eSRobert Gordon if (args->wlist) { 32210a701b1eSRobert Gordon mp = NULL; 32220a701b1eSRobert Gordon (void) rdma_get_wchunk(req, &iov, args->wlist); 32230a701b1eSRobert Gordon } else { 32240a701b1eSRobert Gordon /* 32250a701b1eSRobert Gordon * mp will contain the data to be sent out in the read reply. 32260a701b1eSRobert Gordon * It will be freed after the reply has been sent. Let's 32270a701b1eSRobert Gordon * roundup the data to a BYTES_PER_XDR_UNIT multiple, so that 32280a701b1eSRobert Gordon * the call to xdrmblk_putmblk() never fails. If the first 32290a701b1eSRobert Gordon * alloc of the requested size fails, then decrease the size to 32300a701b1eSRobert Gordon * something more reasonable and wait for the allocation to 32310a701b1eSRobert Gordon * occur. 32320a701b1eSRobert Gordon */ 32330a701b1eSRobert Gordon mp = allocb(RNDUP(args->count), BPRI_MED); 32340a701b1eSRobert Gordon if (mp == NULL) { 32350a701b1eSRobert Gordon if (args->count > MAXBSIZE) 32360a701b1eSRobert Gordon args->count = MAXBSIZE; 32370a701b1eSRobert Gordon mp = allocb_wait(RNDUP(args->count), BPRI_MED, 32380a701b1eSRobert Gordon STR_NOSIG, &alloc_err); 32390a701b1eSRobert Gordon } 32400a701b1eSRobert Gordon ASSERT(mp != NULL); 32410a701b1eSRobert Gordon ASSERT(alloc_err == 0); 32420a701b1eSRobert Gordon 32430a701b1eSRobert Gordon iov.iov_base = (caddr_t)mp->b_datap->db_base; 32440a701b1eSRobert Gordon iov.iov_len = args->count; 32457c478bd9Sstevel@tonic-gate } 32467c478bd9Sstevel@tonic-gate 32477c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 32487c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 32497c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 32507c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 32517c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 32527c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 32537c478bd9Sstevel@tonic-gate 3254da6c28aaSamw error = do_io(FREAD, vp, &uio, 0, cs->cr, &ct); 32557c478bd9Sstevel@tonic-gate 32567c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3257da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 32587c478bd9Sstevel@tonic-gate 32597c478bd9Sstevel@tonic-gate if (error) { 32607c478bd9Sstevel@tonic-gate freeb(mp); 32617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32627c478bd9Sstevel@tonic-gate goto out; 32637c478bd9Sstevel@tonic-gate } 32647c478bd9Sstevel@tonic-gate 32657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32667c478bd9Sstevel@tonic-gate 32677c478bd9Sstevel@tonic-gate ASSERT(uio.uio_resid >= 0); 32687c478bd9Sstevel@tonic-gate resp->data_len = args->count - uio.uio_resid; 32690a701b1eSRobert Gordon if (mp) { 32700a701b1eSRobert Gordon resp->data_val = (char *)mp->b_datap->db_base; 32710a701b1eSRobert Gordon } else { 32720a701b1eSRobert Gordon resp->data_val = (caddr_t)iov.iov_base; 32730a701b1eSRobert Gordon } 32747c478bd9Sstevel@tonic-gate resp->mblk = mp; 32757c478bd9Sstevel@tonic-gate 32767c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 32777c478bd9Sstevel@tonic-gate resp->eof = TRUE; 32787c478bd9Sstevel@tonic-gate else 32797c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32807c478bd9Sstevel@tonic-gate 32810a701b1eSRobert Gordon if (args->wlist) { 32820a701b1eSRobert Gordon if (!rdma_setup_read_data4(args, resp)) { 32830a701b1eSRobert Gordon *cs->statusp = resp->status = NFS4ERR_INVAL; 32840a701b1eSRobert Gordon } 32850a701b1eSRobert Gordon } else { 32860a701b1eSRobert Gordon resp->wlist = NULL; 32870a701b1eSRobert Gordon } 32880a701b1eSRobert Gordon 32897c478bd9Sstevel@tonic-gate out: 32907c478bd9Sstevel@tonic-gate if (in_crit) 32917c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 3292f3b585ceSsamf 3293f3b585ceSsamf DTRACE_NFSV4_2(op__read__done, struct compound_state *, cs, 3294f3b585ceSsamf READ4res *, resp); 32957c478bd9Sstevel@tonic-gate } 32967c478bd9Sstevel@tonic-gate 32977c478bd9Sstevel@tonic-gate static void 32987c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 32997c478bd9Sstevel@tonic-gate { 33000a701b1eSRobert Gordon READ4res *resp = &resop->nfs_resop4_u.opread; 33017c478bd9Sstevel@tonic-gate 33027c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 33037c478bd9Sstevel@tonic-gate freeb(resp->mblk); 33047c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33057c478bd9Sstevel@tonic-gate resp->data_val = NULL; 33067c478bd9Sstevel@tonic-gate resp->data_len = 0; 33077c478bd9Sstevel@tonic-gate } 33087c478bd9Sstevel@tonic-gate } 33097c478bd9Sstevel@tonic-gate 33107c478bd9Sstevel@tonic-gate static void 33110a701b1eSRobert Gordon rfs4_op_readdir_free(nfs_resop4 * resop) 33127c478bd9Sstevel@tonic-gate { 33130a701b1eSRobert Gordon READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 33147c478bd9Sstevel@tonic-gate 33157c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 33167c478bd9Sstevel@tonic-gate freeb(resp->mblk); 33177c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33187c478bd9Sstevel@tonic-gate resp->data_len = 0; 33197c478bd9Sstevel@tonic-gate } 33207c478bd9Sstevel@tonic-gate } 33217c478bd9Sstevel@tonic-gate 33227c478bd9Sstevel@tonic-gate 33237c478bd9Sstevel@tonic-gate /* ARGSUSED */ 33247c478bd9Sstevel@tonic-gate static void 33257c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 33260a701b1eSRobert Gordon struct compound_state *cs) 33277c478bd9Sstevel@tonic-gate { 33280a701b1eSRobert Gordon PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 33290a701b1eSRobert Gordon int error; 33300a701b1eSRobert Gordon vnode_t *vp; 33317c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 33320a701b1eSRobert Gordon nfs_fh4_fmt_t *fh_fmtp; 33337c478bd9Sstevel@tonic-gate 3334f3b585ceSsamf DTRACE_NFSV4_1(op__putpubfh__start, struct compound_state *, cs); 3335f3b585ceSsamf 33367c478bd9Sstevel@tonic-gate if (cs->vp) { 33377c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 33387c478bd9Sstevel@tonic-gate cs->vp = NULL; 33397c478bd9Sstevel@tonic-gate } 33407c478bd9Sstevel@tonic-gate 33417c478bd9Sstevel@tonic-gate if (cs->cr) 33427c478bd9Sstevel@tonic-gate crfree(cs->cr); 33437c478bd9Sstevel@tonic-gate 33447c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 33457c478bd9Sstevel@tonic-gate 33467c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 33477c478bd9Sstevel@tonic-gate if (vp == NULL) { 33487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3349f3b585ceSsamf goto out; 33507c478bd9Sstevel@tonic-gate } 33517c478bd9Sstevel@tonic-gate 335203986916Sjarrett if (is_system_labeled()) { 335303986916Sjarrett bslabel_t *clabel; 335403986916Sjarrett 335503986916Sjarrett ASSERT(req->rq_label != NULL); 335603986916Sjarrett clabel = req->rq_label; 335703986916Sjarrett DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 335803986916Sjarrett "got client label from request(1)", 335903986916Sjarrett struct svc_req *, req); 336003986916Sjarrett if (!blequal(&l_admin_low->tsl_label, clabel)) { 336103986916Sjarrett if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK)) { 336203986916Sjarrett *cs->statusp = resp->status = 336303986916Sjarrett NFS4ERR_SERVERFAULT; 336403986916Sjarrett return; 336503986916Sjarrett } 336603986916Sjarrett } 336703986916Sjarrett } 336803986916Sjarrett 33697c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 33707c478bd9Sstevel@tonic-gate if (error != 0) { 33717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3372f3b585ceSsamf goto out; 33737c478bd9Sstevel@tonic-gate } 33747c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 33757c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 33767c478bd9Sstevel@tonic-gate /* 33777c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 33787c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 33797c478bd9Sstevel@tonic-gate * is exported. 33807c478bd9Sstevel@tonic-gate */ 33817c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 33827c478bd9Sstevel@tonic-gate 33837c478bd9Sstevel@tonic-gate /* 33847c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 33857c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 33867c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 33877c478bd9Sstevel@tonic-gate */ 33887c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 33891b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 33907c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 33917c478bd9Sstevel@tonic-gate } else { 33927c478bd9Sstevel@tonic-gate /* 33937c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 33947c478bd9Sstevel@tonic-gate */ 33957c478bd9Sstevel@tonic-gate cs->exi = exi_public; 33967c478bd9Sstevel@tonic-gate } 33977c478bd9Sstevel@tonic-gate 33987c478bd9Sstevel@tonic-gate VN_HOLD(vp); 33997c478bd9Sstevel@tonic-gate cs->vp = vp; 34007c478bd9Sstevel@tonic-gate 34017c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34027c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34037c478bd9Sstevel@tonic-gate cs->vp = NULL; 34047c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3405f3b585ceSsamf goto out; 34067c478bd9Sstevel@tonic-gate } 34077c478bd9Sstevel@tonic-gate 34087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3409f3b585ceSsamf out: 3410f3b585ceSsamf DTRACE_NFSV4_2(op__putpubfh__done, struct compound_state *, cs, 3411f3b585ceSsamf PUTPUBFH4res *, resp); 34127c478bd9Sstevel@tonic-gate } 34137c478bd9Sstevel@tonic-gate 34147c478bd9Sstevel@tonic-gate /* 34157c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 34167c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 34177c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 34187c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 34197c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 34207c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 34217c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 34227c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 34237c478bd9Sstevel@tonic-gate * know what the anonymous user is. 34247c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 34257c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 34267c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 34277c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 34287c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 34297c478bd9Sstevel@tonic-gate */ 34307c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34317c478bd9Sstevel@tonic-gate static void 34327c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 34337c478bd9Sstevel@tonic-gate struct compound_state *cs) 34347c478bd9Sstevel@tonic-gate { 34357c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 34367c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 34377c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 34387c478bd9Sstevel@tonic-gate 3439f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__start, struct compound_state *, cs, 3440f3b585ceSsamf PUTFH4args *, args); 3441f3b585ceSsamf 34427c478bd9Sstevel@tonic-gate if (cs->vp) { 34437c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34447c478bd9Sstevel@tonic-gate cs->vp = NULL; 34457c478bd9Sstevel@tonic-gate } 34467c478bd9Sstevel@tonic-gate 34477c478bd9Sstevel@tonic-gate if (cs->cr) { 34487c478bd9Sstevel@tonic-gate crfree(cs->cr); 34497c478bd9Sstevel@tonic-gate cs->cr = NULL; 34507c478bd9Sstevel@tonic-gate } 34517c478bd9Sstevel@tonic-gate 34527c478bd9Sstevel@tonic-gate 34537c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 34547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 3455f3b585ceSsamf goto out; 34567c478bd9Sstevel@tonic-gate } 34577c478bd9Sstevel@tonic-gate 34587c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 34597c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 34601b300de9Sjwahlig NULL); 34617c478bd9Sstevel@tonic-gate 34627c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 34637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 3464f3b585ceSsamf goto out; 34657c478bd9Sstevel@tonic-gate } 34667c478bd9Sstevel@tonic-gate 34677c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 34687c478bd9Sstevel@tonic-gate 34697c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 34707c478bd9Sstevel@tonic-gate 34717c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 34727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 3473f3b585ceSsamf goto out; 34747c478bd9Sstevel@tonic-gate } 34757c478bd9Sstevel@tonic-gate 34767c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34777c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34787c478bd9Sstevel@tonic-gate cs->vp = NULL; 3479f3b585ceSsamf goto out; 34807c478bd9Sstevel@tonic-gate } 34817c478bd9Sstevel@tonic-gate 34827c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 34837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 34847c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3485f3b585ceSsamf 3486f3b585ceSsamf out: 3487f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__done, struct compound_state *, cs, 3488f3b585ceSsamf PUTFH4res *, resp); 34897c478bd9Sstevel@tonic-gate } 34907c478bd9Sstevel@tonic-gate 34917c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34927c478bd9Sstevel@tonic-gate static void 34937c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 34947c478bd9Sstevel@tonic-gate struct compound_state *cs) 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate { 34977c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 34987c478bd9Sstevel@tonic-gate int error; 34997c478bd9Sstevel@tonic-gate fid_t fid; 35007c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 35017c478bd9Sstevel@tonic-gate 3502f3b585ceSsamf DTRACE_NFSV4_1(op__putrootfh__start, struct compound_state *, cs); 3503f3b585ceSsamf 35047c478bd9Sstevel@tonic-gate if (cs->vp) { 35057c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35067c478bd9Sstevel@tonic-gate cs->vp = NULL; 35077c478bd9Sstevel@tonic-gate } 35087c478bd9Sstevel@tonic-gate 35097c478bd9Sstevel@tonic-gate if (cs->cr) 35107c478bd9Sstevel@tonic-gate crfree(cs->cr); 35117c478bd9Sstevel@tonic-gate 35127c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35137c478bd9Sstevel@tonic-gate 35147c478bd9Sstevel@tonic-gate /* 35157c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 35167c478bd9Sstevel@tonic-gate * get its fid. 35177c478bd9Sstevel@tonic-gate */ 35187c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 35197c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 35207c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 35217c478bd9Sstevel@tonic-gate if (error != 0) { 35227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3523f3b585ceSsamf goto out; 35247c478bd9Sstevel@tonic-gate } 35257c478bd9Sstevel@tonic-gate 35267c478bd9Sstevel@tonic-gate /* 35277c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 35287c478bd9Sstevel@tonic-gate * 35297c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 35307c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 35317c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 35327c478bd9Sstevel@tonic-gate * file tree. 35337c478bd9Sstevel@tonic-gate */ 35347c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 35357c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 35367c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 35377c478bd9Sstevel@tonic-gate (CE_WARN, "rfs4_op_putrootfh: export check failure")); 35387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3539f3b585ceSsamf goto out; 35407c478bd9Sstevel@tonic-gate } 35417c478bd9Sstevel@tonic-gate 35427c478bd9Sstevel@tonic-gate /* 35437c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 35447c478bd9Sstevel@tonic-gate * export and root vnode. 35457c478bd9Sstevel@tonic-gate */ 35467c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 35477c478bd9Sstevel@tonic-gate if (error != 0) { 35487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3549f3b585ceSsamf goto out; 35507c478bd9Sstevel@tonic-gate } 35517c478bd9Sstevel@tonic-gate 35527c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 35537c478bd9Sstevel@tonic-gate cs->exi = exi; 35547c478bd9Sstevel@tonic-gate 35557c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 35567c478bd9Sstevel@tonic-gate cs->vp = rootdir; 35577c478bd9Sstevel@tonic-gate 35587c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35597c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 35607c478bd9Sstevel@tonic-gate cs->vp = NULL; 35617c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3562f3b585ceSsamf goto out; 35637c478bd9Sstevel@tonic-gate } 35647c478bd9Sstevel@tonic-gate 35657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35667c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3567f3b585ceSsamf out: 3568f3b585ceSsamf DTRACE_NFSV4_2(op__putrootfh__done, struct compound_state *, cs, 3569f3b585ceSsamf PUTROOTFH4res *, resp); 35707c478bd9Sstevel@tonic-gate } 35717c478bd9Sstevel@tonic-gate 35727c478bd9Sstevel@tonic-gate /* 35737c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 35747c478bd9Sstevel@tonic-gate * - it has a non-zero ino 35757c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 35767c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 35777c478bd9Sstevel@tonic-gate * only have a limited view. 35787c478bd9Sstevel@tonic-gate */ 35797c478bd9Sstevel@tonic-gate static bool_t 35807c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 35817c478bd9Sstevel@tonic-gate int *expseudo, int check_visible) 35827c478bd9Sstevel@tonic-gate { 35837c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 35847c478bd9Sstevel@tonic-gate *expseudo = 0; 35857c478bd9Sstevel@tonic-gate return (FALSE); 35867c478bd9Sstevel@tonic-gate } 35877c478bd9Sstevel@tonic-gate 35887c478bd9Sstevel@tonic-gate if (! check_visible) { 35897c478bd9Sstevel@tonic-gate *expseudo = 0; 35907c478bd9Sstevel@tonic-gate return (TRUE); 35917c478bd9Sstevel@tonic-gate } 35927c478bd9Sstevel@tonic-gate 35937c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 35947c478bd9Sstevel@tonic-gate } 35957c478bd9Sstevel@tonic-gate 35967c478bd9Sstevel@tonic-gate /* 35977c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 35987c478bd9Sstevel@tonic-gate * to get for each directory entry. 35997c478bd9Sstevel@tonic-gate */ 36007c478bd9Sstevel@tonic-gate static nfsstat4 36017c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 36027c478bd9Sstevel@tonic-gate bitmap4 attrs, bool_t *need_to_lookup) 36037c478bd9Sstevel@tonic-gate { 36047c478bd9Sstevel@tonic-gate uint_t va_mask; 36057c478bd9Sstevel@tonic-gate nfsstat4 status; 36067c478bd9Sstevel@tonic-gate bitmap4 objbits; 36077c478bd9Sstevel@tonic-gate 36087c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 36097c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 36107c478bd9Sstevel@tonic-gate /* 36117c478bd9Sstevel@tonic-gate * could not even figure attr mask 36127c478bd9Sstevel@tonic-gate */ 36137c478bd9Sstevel@tonic-gate return (status); 36147c478bd9Sstevel@tonic-gate } 36157c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 36167c478bd9Sstevel@tonic-gate 36177c478bd9Sstevel@tonic-gate /* 36187c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 36197c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 36207c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 36217c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 36227c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 36237c478bd9Sstevel@tonic-gate */ 36247c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 36257c478bd9Sstevel@tonic-gate 36267c478bd9Sstevel@tonic-gate /* 36277c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 36287c478bd9Sstevel@tonic-gate * a) vattr attrs 36297c478bd9Sstevel@tonic-gate * b) vfs attrs 36307c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 36317c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 36327c478bd9Sstevel@tonic-gate */ 36337c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 36347c478bd9Sstevel@tonic-gate 36357c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 36367c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 36377c478bd9Sstevel@tonic-gate else 36387c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36397c478bd9Sstevel@tonic-gate 36407c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 36417c478bd9Sstevel@tonic-gate return (NFS4_OK); 36427c478bd9Sstevel@tonic-gate 36437c478bd9Sstevel@tonic-gate /* 36447c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 36457c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 36467c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 36477c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 36487c478bd9Sstevel@tonic-gate */ 36497c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 36507c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 36517c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 36527c478bd9Sstevel@tonic-gate 36537c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 36547c478bd9Sstevel@tonic-gate /* 36557c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 36567c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 36577c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 36587c478bd9Sstevel@tonic-gate */ 36597c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 36607c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36617c478bd9Sstevel@tonic-gate /* 36627c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 36637c478bd9Sstevel@tonic-gate */ 36647c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 36657c478bd9Sstevel@tonic-gate status = NFS4_OK; 36667c478bd9Sstevel@tonic-gate } 36677c478bd9Sstevel@tonic-gate 36687c478bd9Sstevel@tonic-gate return (status); 36697c478bd9Sstevel@tonic-gate } 36707c478bd9Sstevel@tonic-gate 36717c478bd9Sstevel@tonic-gate /* 36727c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 36737c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 36747c478bd9Sstevel@tonic-gate */ 36757c478bd9Sstevel@tonic-gate 36767c478bd9Sstevel@tonic-gate /* ARGSUSED */ 36777c478bd9Sstevel@tonic-gate static void 36787c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 36797c478bd9Sstevel@tonic-gate struct compound_state *cs) 36807c478bd9Sstevel@tonic-gate { 36817c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 36827c478bd9Sstevel@tonic-gate int error; 36837c478bd9Sstevel@tonic-gate vnode_t *vp; 36847c478bd9Sstevel@tonic-gate struct iovec iov; 36857c478bd9Sstevel@tonic-gate struct vattr va; 36867c478bd9Sstevel@tonic-gate struct uio uio; 36877c478bd9Sstevel@tonic-gate char *data; 3688b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3689b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 36907c478bd9Sstevel@tonic-gate 3691f3b585ceSsamf DTRACE_NFSV4_1(op__readlink__start, struct compound_state *, cs); 3692f3b585ceSsamf 36937c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 36947c478bd9Sstevel@tonic-gate vp = cs->vp; 36957c478bd9Sstevel@tonic-gate if (vp == NULL) { 36967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3697f3b585ceSsamf goto out; 36987c478bd9Sstevel@tonic-gate } 36997c478bd9Sstevel@tonic-gate 37007c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3702f3b585ceSsamf goto out; 37037c478bd9Sstevel@tonic-gate } 37047c478bd9Sstevel@tonic-gate 37057c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 37067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 3707f3b585ceSsamf goto out; 37087c478bd9Sstevel@tonic-gate } 37097c478bd9Sstevel@tonic-gate 37107c478bd9Sstevel@tonic-gate if (vp->v_type != VLNK) { 37117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 3712f3b585ceSsamf goto out; 37137c478bd9Sstevel@tonic-gate } 37147c478bd9Sstevel@tonic-gate 37157c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3716da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 37177c478bd9Sstevel@tonic-gate if (error) { 37187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3719f3b585ceSsamf goto out; 37207c478bd9Sstevel@tonic-gate } 37217c478bd9Sstevel@tonic-gate 37227c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 37237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3724f3b585ceSsamf goto out; 37257c478bd9Sstevel@tonic-gate } 37267c478bd9Sstevel@tonic-gate 37277c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 37287c478bd9Sstevel@tonic-gate 37297c478bd9Sstevel@tonic-gate iov.iov_base = data; 37307c478bd9Sstevel@tonic-gate iov.iov_len = MAXPATHLEN; 37317c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 37327c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 37337c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 37347c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 37357c478bd9Sstevel@tonic-gate uio.uio_loffset = 0; 37367c478bd9Sstevel@tonic-gate uio.uio_resid = MAXPATHLEN; 37377c478bd9Sstevel@tonic-gate 3738da6c28aaSamw error = VOP_READLINK(vp, &uio, cs->cr, NULL); 37397c478bd9Sstevel@tonic-gate 37407c478bd9Sstevel@tonic-gate if (error) { 37417c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 37427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3743f3b585ceSsamf goto out; 37447c478bd9Sstevel@tonic-gate } 37457c478bd9Sstevel@tonic-gate 37467c478bd9Sstevel@tonic-gate *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 37477c478bd9Sstevel@tonic-gate 3748b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 3749b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, data, NFSCMD_CONV_OUTBOUND, 3750b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 3751b89a8333Snatalie li - Sun Microsystems - Irvine United States 3752b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 3753b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 3754b89a8333Snatalie li - Sun Microsystems - Irvine United States * Even though the conversion failed, we return 3755b89a8333Snatalie li - Sun Microsystems - Irvine United States * something. We just don't translate it. 3756b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 3757b89a8333Snatalie li - Sun Microsystems - Irvine United States name = data; 3758b89a8333Snatalie li - Sun Microsystems - Irvine United States } 3759b89a8333Snatalie li - Sun Microsystems - Irvine United States 37607c478bd9Sstevel@tonic-gate /* 37617c478bd9Sstevel@tonic-gate * treat link name as data 37627c478bd9Sstevel@tonic-gate */ 3763b89a8333Snatalie li - Sun Microsystems - Irvine United States (void) str_to_utf8(name, &resp->link); 37647c478bd9Sstevel@tonic-gate 3765b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != data) 3766b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 37677c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 37687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3769f3b585ceSsamf 3770f3b585ceSsamf out: 3771f3b585ceSsamf DTRACE_NFSV4_2(op__readlink__done, struct compound_state *, cs, 3772f3b585ceSsamf READLINK4res *, resp); 37737c478bd9Sstevel@tonic-gate } 37747c478bd9Sstevel@tonic-gate 37757c478bd9Sstevel@tonic-gate static void 37767c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 37777c478bd9Sstevel@tonic-gate { 37787c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 37797c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 37807c478bd9Sstevel@tonic-gate 37817c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 37827c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 37837c478bd9Sstevel@tonic-gate } 37847c478bd9Sstevel@tonic-gate } 37857c478bd9Sstevel@tonic-gate 37867c478bd9Sstevel@tonic-gate /* 37877c478bd9Sstevel@tonic-gate * release_lockowner: 37887c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 37897c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 37907c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 37917c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 37927c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 37937c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 37947c478bd9Sstevel@tonic-gate * args: lock_owner 37957c478bd9Sstevel@tonic-gate * res: status 37967c478bd9Sstevel@tonic-gate */ 37977c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37987c478bd9Sstevel@tonic-gate static void 37997c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 38007c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 38017c478bd9Sstevel@tonic-gate { 38027c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 38037c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 38047c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 38057c478bd9Sstevel@tonic-gate rfs4_openowner_t *oop; 38067c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 38077c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 38087c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 38097c478bd9Sstevel@tonic-gate bool_t create = FALSE; 38107c478bd9Sstevel@tonic-gate locklist_t *llist; 38117c478bd9Sstevel@tonic-gate sysid_t sysid; 38127c478bd9Sstevel@tonic-gate 3813f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__start, struct compound_state *, 3814f3b585ceSsamf cs, RELEASE_LOCKOWNER4args *, ap); 3815f3b585ceSsamf 38167c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 38177c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 38187c478bd9Sstevel@tonic-gate 38197c478bd9Sstevel@tonic-gate if (cp == NULL) { 38207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 38211b300de9Sjwahlig rfs4_check_clientid(&ap->lock_owner.clientid, 0); 3822f3b585ceSsamf goto out; 38237c478bd9Sstevel@tonic-gate } 38247c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 38257c478bd9Sstevel@tonic-gate 38267c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 38277c478bd9Sstevel@tonic-gate if (lo == NULL) { 38287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3829f3b585ceSsamf goto out; 38307c478bd9Sstevel@tonic-gate } 38317c478bd9Sstevel@tonic-gate ASSERT(lo->client != NULL); 38327c478bd9Sstevel@tonic-gate 38337c478bd9Sstevel@tonic-gate /* 38347c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 38357c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 38367c478bd9Sstevel@tonic-gate */ 38377c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(lo->client)) { 38387c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 38397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 3840f3b585ceSsamf goto out; 38417c478bd9Sstevel@tonic-gate } 38427c478bd9Sstevel@tonic-gate 38437c478bd9Sstevel@tonic-gate /* 38447c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 38457c478bd9Sstevel@tonic-gate */ 38467c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lo->client->dbe); 38477c478bd9Sstevel@tonic-gate if (lo->client->sysidt == LM_NOSYSID) { 38487c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 38497c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 3850f3b585ceSsamf goto out; 38517c478bd9Sstevel@tonic-gate } 38527c478bd9Sstevel@tonic-gate 38537c478bd9Sstevel@tonic-gate sysid = lo->client->sysidt; 38547c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 38557c478bd9Sstevel@tonic-gate 38567c478bd9Sstevel@tonic-gate /* 38577c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 38587c478bd9Sstevel@tonic-gate */ 38597c478bd9Sstevel@tonic-gate rfs4_dbe_hide(lo->dbe); 38607c478bd9Sstevel@tonic-gate 38617c478bd9Sstevel@tonic-gate /* 38627c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 38637c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 38647c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 38657c478bd9Sstevel@tonic-gate * current locks. 38667c478bd9Sstevel@tonic-gate */ 38677c478bd9Sstevel@tonic-gate 38687c478bd9Sstevel@tonic-gate llist = flk_get_active_locks(sysid, lo->pid); 38697c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 38707c478bd9Sstevel@tonic-gate if (llist != NULL) { 38717c478bd9Sstevel@tonic-gate 38727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 38737c478bd9Sstevel@tonic-gate 38747c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 38757c478bd9Sstevel@tonic-gate /* 38767c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 38777c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 38787c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 38797c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 38807c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 38817c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 38827c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 38837c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 38847c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 38857c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 38867c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 38877c478bd9Sstevel@tonic-gate * reissuing the request. 38887c478bd9Sstevel@tonic-gate */ 38897c478bd9Sstevel@tonic-gate rfs4_dbe_unhide(lo->dbe); 38907c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3891f3b585ceSsamf goto out; 38927c478bd9Sstevel@tonic-gate } 38937c478bd9Sstevel@tonic-gate 38947c478bd9Sstevel@tonic-gate /* 38957c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 38967c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 38977c478bd9Sstevel@tonic-gate * with this lockowner. 38987c478bd9Sstevel@tonic-gate */ 38997c478bd9Sstevel@tonic-gate 39007c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lo->client->dbe); 39017c478bd9Sstevel@tonic-gate for (oop = lo->client->openownerlist.next->oop; oop != NULL; 39027c478bd9Sstevel@tonic-gate oop = oop->openownerlist.next->oop) { 39037c478bd9Sstevel@tonic-gate 39047c478bd9Sstevel@tonic-gate rfs4_dbe_lock(oop->dbe); 39057c478bd9Sstevel@tonic-gate for (sp = oop->ownerstateids.next->sp; sp != NULL; 39067c478bd9Sstevel@tonic-gate sp = sp->ownerstateids.next->sp) { 39077c478bd9Sstevel@tonic-gate 39087c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 39097c478bd9Sstevel@tonic-gate for (lsp = sp->lockownerlist.next->lsp; 39107c478bd9Sstevel@tonic-gate lsp != NULL; lsp = lsp->lockownerlist.next->lsp) { 39117c478bd9Sstevel@tonic-gate if (lsp->locker == lo) { 39127c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lsp->dbe); 39137c478bd9Sstevel@tonic-gate rfs4_dbe_invalidate(lsp->dbe); 39147c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lsp->dbe); 39157c478bd9Sstevel@tonic-gate } 39167c478bd9Sstevel@tonic-gate } 39177c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 39187c478bd9Sstevel@tonic-gate } 39197c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(oop->dbe); 39207c478bd9Sstevel@tonic-gate } 39217c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 39227c478bd9Sstevel@tonic-gate 39237c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39247c478bd9Sstevel@tonic-gate 39257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3926f3b585ceSsamf 3927f3b585ceSsamf out: 3928f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__done, struct compound_state *, 3929f3b585ceSsamf cs, RELEASE_LOCKOWNER4res *, resp); 39307c478bd9Sstevel@tonic-gate } 39317c478bd9Sstevel@tonic-gate 39327c478bd9Sstevel@tonic-gate /* 39337c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 39347c478bd9Sstevel@tonic-gate */ 39357c478bd9Sstevel@tonic-gate static rfs4_file_t * 39367c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 39377c478bd9Sstevel@tonic-gate int *lkup_error, cred_t *cr) 39387c478bd9Sstevel@tonic-gate { 39397c478bd9Sstevel@tonic-gate vnode_t *vp; 39407c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 39417c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 39427c478bd9Sstevel@tonic-gate int error; 39437c478bd9Sstevel@tonic-gate 39447c478bd9Sstevel@tonic-gate if (vpp) 39457c478bd9Sstevel@tonic-gate *vpp = NULL; 39467c478bd9Sstevel@tonic-gate 3947da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 3948da6c28aaSamw NULL)) == 0) { 39497c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 39507c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 39517c478bd9Sstevel@tonic-gate if (vpp) 39527c478bd9Sstevel@tonic-gate *vpp = vp; 39537c478bd9Sstevel@tonic-gate else 39547c478bd9Sstevel@tonic-gate VN_RELE(vp); 39557c478bd9Sstevel@tonic-gate } 39567c478bd9Sstevel@tonic-gate 39577c478bd9Sstevel@tonic-gate if (lkup_error) 39587c478bd9Sstevel@tonic-gate *lkup_error = error; 39597c478bd9Sstevel@tonic-gate 39607c478bd9Sstevel@tonic-gate return (fp); 39617c478bd9Sstevel@tonic-gate } 39627c478bd9Sstevel@tonic-gate 39637c478bd9Sstevel@tonic-gate /* 39647c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 39657c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 39667c478bd9Sstevel@tonic-gate * for directory. 39677c478bd9Sstevel@tonic-gate */ 39687c478bd9Sstevel@tonic-gate /* ARGSUSED */ 39697c478bd9Sstevel@tonic-gate static void 39707c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 39717c478bd9Sstevel@tonic-gate struct compound_state *cs) 39727c478bd9Sstevel@tonic-gate { 39737c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 39747c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 39757c478bd9Sstevel@tonic-gate int error; 39767c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 39777c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 39787c478bd9Sstevel@tonic-gate char *nm; 39797c478bd9Sstevel@tonic-gate uint_t len; 39807c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 39817c478bd9Sstevel@tonic-gate int in_crit = 0; 398245916cd2Sjpk bslabel_t *clabel; 3983b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3984b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 39857c478bd9Sstevel@tonic-gate 3986f3b585ceSsamf DTRACE_NFSV4_2(op__remove__start, struct compound_state *, cs, 3987f3b585ceSsamf REMOVE4args *, args); 3988f3b585ceSsamf 39897c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 39907c478bd9Sstevel@tonic-gate dvp = cs->vp; 39917c478bd9Sstevel@tonic-gate if (dvp == NULL) { 39927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3993f3b585ceSsamf goto out; 39947c478bd9Sstevel@tonic-gate } 39957c478bd9Sstevel@tonic-gate 39967c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 39977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3998f3b585ceSsamf goto out; 39997c478bd9Sstevel@tonic-gate } 40007c478bd9Sstevel@tonic-gate 40017c478bd9Sstevel@tonic-gate /* 40027c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40037c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 40047c478bd9Sstevel@tonic-gate */ 40057c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 40067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4007f3b585ceSsamf goto out; 40087c478bd9Sstevel@tonic-gate } 40097c478bd9Sstevel@tonic-gate 40107c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 40117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4012f3b585ceSsamf goto out; 40137c478bd9Sstevel@tonic-gate } 40147c478bd9Sstevel@tonic-gate 40157c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->target)) { 40167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4017f3b585ceSsamf goto out; 40187c478bd9Sstevel@tonic-gate } 40197c478bd9Sstevel@tonic-gate 40207c478bd9Sstevel@tonic-gate /* 40217c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 40227c478bd9Sstevel@tonic-gate */ 40237c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 40247c478bd9Sstevel@tonic-gate if (nm == NULL) { 40257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4026f3b585ceSsamf goto out; 40277c478bd9Sstevel@tonic-gate } 40287c478bd9Sstevel@tonic-gate 40297c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 40307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 40317c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4032f3b585ceSsamf goto out; 40337c478bd9Sstevel@tonic-gate } 40347c478bd9Sstevel@tonic-gate 40357c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 40367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 40377c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4038f3b585ceSsamf goto out; 40397c478bd9Sstevel@tonic-gate } 40407c478bd9Sstevel@tonic-gate 4041b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 4042b89a8333Snatalie li - Sun Microsystems - Irvine United States 4043b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4044b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 4045b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4046b89a8333Snatalie li - Sun Microsystems - Irvine United States 4047b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 4048b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4049b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 4050b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4051b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4052b89a8333Snatalie li - Sun Microsystems - Irvine United States 40537c478bd9Sstevel@tonic-gate /* 40547c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 40557c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 40567c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 40577c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 40587c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 40597c478bd9Sstevel@tonic-gate */ 4060b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr)) { 40617c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 40621b300de9Sjwahlig NULL)) { 40637c478bd9Sstevel@tonic-gate VN_RELE(vp); 40647c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 40657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 4066b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4067b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 40687c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4069f3b585ceSsamf goto out; 40707c478bd9Sstevel@tonic-gate } 40717c478bd9Sstevel@tonic-gate } 40727c478bd9Sstevel@tonic-gate 40737c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 40747c478bd9Sstevel@tonic-gate if (vp == NULL) { 40757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 4076b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4077b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 40787c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4079f3b585ceSsamf goto out; 40807c478bd9Sstevel@tonic-gate } 40817c478bd9Sstevel@tonic-gate 40827c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 40837c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 40847c478bd9Sstevel@tonic-gate in_crit = 1; 4085da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 40867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 4087b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4088b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 40897c478bd9Sstevel@tonic-gate kmem_free(nm, len); 40907c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 40917c478bd9Sstevel@tonic-gate VN_RELE(vp); 40927c478bd9Sstevel@tonic-gate if (fp) { 40937c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 40947c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 40957c478bd9Sstevel@tonic-gate } 4096f3b585ceSsamf goto out; 40977c478bd9Sstevel@tonic-gate } 40987c478bd9Sstevel@tonic-gate } 40997c478bd9Sstevel@tonic-gate 410045916cd2Sjpk /* check label before allowing removal */ 410145916cd2Sjpk if (is_system_labeled()) { 410245916cd2Sjpk ASSERT(req->rq_label != NULL); 410345916cd2Sjpk clabel = req->rq_label; 410445916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 410545916cd2Sjpk "got client label from request(1)", 410645916cd2Sjpk struct svc_req *, req); 410745916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 410803986916Sjarrett if (!do_rfs_label_check(clabel, vp, EQUALITY_CHECK)) { 410945916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4110b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 4111b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 411245916cd2Sjpk kmem_free(nm, len); 411345916cd2Sjpk if (in_crit) 411445916cd2Sjpk nbl_end_crit(vp); 411545916cd2Sjpk VN_RELE(vp); 411645916cd2Sjpk if (fp) { 411745916cd2Sjpk rfs4_clear_dont_grant(fp); 411845916cd2Sjpk rfs4_file_rele(fp); 411945916cd2Sjpk } 4120f3b585ceSsamf goto out; 412145916cd2Sjpk } 412245916cd2Sjpk } 412345916cd2Sjpk } 412445916cd2Sjpk 41257c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 41267c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 4127da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 41287c478bd9Sstevel@tonic-gate if (error) { 41297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4130b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4131b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41327c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4133f3b585ceSsamf goto out; 41347c478bd9Sstevel@tonic-gate } 41357c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 41367c478bd9Sstevel@tonic-gate 41377c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 41387c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 41397c478bd9Sstevel@tonic-gate /* 41407c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 41417c478bd9Sstevel@tonic-gate */ 41427c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 41437c478bd9Sstevel@tonic-gate error = EACCES; 41447c478bd9Sstevel@tonic-gate } else { 41457c478bd9Sstevel@tonic-gate /* 41467c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 41477c478bd9Sstevel@tonic-gate * not * ENOTEMPTY, if the directory is not 41487c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 41497c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 41507c478bd9Sstevel@tonic-gate * transmit over the wire. 41517c478bd9Sstevel@tonic-gate */ 4152da6c28aaSamw if ((error = VOP_RMDIR(dvp, nm, rootdir, cs->cr, 4153da6c28aaSamw NULL, 0)) == EEXIST) 41547c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 41557c478bd9Sstevel@tonic-gate } 41567c478bd9Sstevel@tonic-gate } else { 4157b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_REMOVE(dvp, name, cs->cr, NULL, 0)) == 0 && 41581b300de9Sjwahlig fp != NULL) { 41597c478bd9Sstevel@tonic-gate struct vattr va; 4160418d27f3Sshepler vnode_t *tvp; 41617c478bd9Sstevel@tonic-gate 4162418d27f3Sshepler rfs4_dbe_lock(fp->dbe); 4163418d27f3Sshepler tvp = fp->vp; 4164418d27f3Sshepler if (tvp) 4165418d27f3Sshepler VN_HOLD(tvp); 4166418d27f3Sshepler rfs4_dbe_unlock(fp->dbe); 4167418d27f3Sshepler 4168418d27f3Sshepler if (tvp) { 4169418d27f3Sshepler /* 4170418d27f3Sshepler * This is va_seq safe because we are not 4171418d27f3Sshepler * manipulating dvp. 4172418d27f3Sshepler */ 4173418d27f3Sshepler va.va_mask = AT_NLINK; 4174da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 41751b300de9Sjwahlig va.va_nlink == 0) { 4176418d27f3Sshepler /* Remove state on file remove */ 4177418d27f3Sshepler if (in_crit) { 4178418d27f3Sshepler nbl_end_crit(vp); 4179418d27f3Sshepler in_crit = 0; 4180418d27f3Sshepler } 4181418d27f3Sshepler rfs4_close_all_state(fp); 41827c478bd9Sstevel@tonic-gate } 4183418d27f3Sshepler VN_RELE(tvp); 41847c478bd9Sstevel@tonic-gate } 41857c478bd9Sstevel@tonic-gate } 41867c478bd9Sstevel@tonic-gate } 41877c478bd9Sstevel@tonic-gate 41887c478bd9Sstevel@tonic-gate if (in_crit) 41897c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 41907c478bd9Sstevel@tonic-gate VN_RELE(vp); 41917c478bd9Sstevel@tonic-gate 41927c478bd9Sstevel@tonic-gate if (fp) { 41937c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 41947c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41957c478bd9Sstevel@tonic-gate } 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); 41997c478bd9Sstevel@tonic-gate 42007c478bd9Sstevel@tonic-gate if (error) { 42017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4202f3b585ceSsamf goto out; 42037c478bd9Sstevel@tonic-gate } 42047c478bd9Sstevel@tonic-gate 42057c478bd9Sstevel@tonic-gate /* 42067c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 42077c478bd9Sstevel@tonic-gate */ 42087c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 4209da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 42107c478bd9Sstevel@tonic-gate idva.va_seq = 0; 42117c478bd9Sstevel@tonic-gate 42127c478bd9Sstevel@tonic-gate /* 42137c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 42147c478bd9Sstevel@tonic-gate */ 4215da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 42167c478bd9Sstevel@tonic-gate 42177c478bd9Sstevel@tonic-gate /* 42187c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 42197c478bd9Sstevel@tonic-gate * before value. 42207c478bd9Sstevel@tonic-gate */ 42217c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 4222da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 42237c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 42247c478bd9Sstevel@tonic-gate adva.va_seq = 0; 42257c478bd9Sstevel@tonic-gate } 42267c478bd9Sstevel@tonic-gate 42277c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 42287c478bd9Sstevel@tonic-gate 42297c478bd9Sstevel@tonic-gate /* 42307c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 42317c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 42327c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 42337c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 42347c478bd9Sstevel@tonic-gate */ 42357c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 42361b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 42377c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 42387c478bd9Sstevel@tonic-gate else 42397c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 42407c478bd9Sstevel@tonic-gate 42417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4242f3b585ceSsamf 4243f3b585ceSsamf out: 4244f3b585ceSsamf DTRACE_NFSV4_2(op__remove__done, struct compound_state *, cs, 4245f3b585ceSsamf REMOVE4res *, resp); 42467c478bd9Sstevel@tonic-gate } 42477c478bd9Sstevel@tonic-gate 42487c478bd9Sstevel@tonic-gate /* 42497c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 42507c478bd9Sstevel@tonic-gate * oldname and newname. 42517c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 42527c478bd9Sstevel@tonic-gate * for both from and target directories. 42537c478bd9Sstevel@tonic-gate */ 42547c478bd9Sstevel@tonic-gate /* ARGSUSED */ 42557c478bd9Sstevel@tonic-gate static void 42567c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 42577c478bd9Sstevel@tonic-gate struct compound_state *cs) 42587c478bd9Sstevel@tonic-gate { 42597c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 42607c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 42617c478bd9Sstevel@tonic-gate int error; 42627c478bd9Sstevel@tonic-gate vnode_t *odvp; 42637c478bd9Sstevel@tonic-gate vnode_t *ndvp; 42647c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 42657c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 42667c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 42677c478bd9Sstevel@tonic-gate char *onm, *nnm; 42687c478bd9Sstevel@tonic-gate uint_t olen, nlen; 42697c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 42707c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 42717c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 427245916cd2Sjpk bslabel_t *clabel; 4273b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4274b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_onm = NULL; 4275b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_nnm = NULL; 42767c478bd9Sstevel@tonic-gate 4277f3b585ceSsamf DTRACE_NFSV4_2(op__rename__start, struct compound_state *, cs, 4278f3b585ceSsamf RENAME4args *, args); 4279f3b585ceSsamf 42807c478bd9Sstevel@tonic-gate fp = sfp = NULL; 42817c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 42827c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 42837c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 42847c478bd9Sstevel@tonic-gate 42857c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 42867c478bd9Sstevel@tonic-gate ndvp = cs->vp; 42877c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 42887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4289f3b585ceSsamf goto out; 42907c478bd9Sstevel@tonic-gate } 42917c478bd9Sstevel@tonic-gate 42927c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 42937c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 42947c478bd9Sstevel@tonic-gate if (odvp == NULL) { 42957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4296f3b585ceSsamf goto out; 42977c478bd9Sstevel@tonic-gate } 42987c478bd9Sstevel@tonic-gate 42997c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 43007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4301f3b585ceSsamf goto out; 43027c478bd9Sstevel@tonic-gate } 43037c478bd9Sstevel@tonic-gate 43047c478bd9Sstevel@tonic-gate /* 43057c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 43067c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 43077c478bd9Sstevel@tonic-gate */ 43087c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 43097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4310f3b585ceSsamf goto out; 43117c478bd9Sstevel@tonic-gate } 43127c478bd9Sstevel@tonic-gate 43137c478bd9Sstevel@tonic-gate /* 43147c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 43157c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 43167c478bd9Sstevel@tonic-gate */ 43177c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 43187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4319f3b585ceSsamf goto out; 43207c478bd9Sstevel@tonic-gate } 43217c478bd9Sstevel@tonic-gate 43227c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 43237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4324f3b585ceSsamf goto out; 43257c478bd9Sstevel@tonic-gate } 43267c478bd9Sstevel@tonic-gate 43277c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 43287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 4329f3b585ceSsamf goto out; 43307c478bd9Sstevel@tonic-gate } 43317c478bd9Sstevel@tonic-gate 43327c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 43337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4334f3b585ceSsamf goto out; 43357c478bd9Sstevel@tonic-gate } 43367c478bd9Sstevel@tonic-gate 43377c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 43387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4339f3b585ceSsamf goto out; 43407c478bd9Sstevel@tonic-gate } 43417c478bd9Sstevel@tonic-gate 43427c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 43437c478bd9Sstevel@tonic-gate if (onm == NULL) { 43447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4345f3b585ceSsamf goto out; 43467c478bd9Sstevel@tonic-gate } 4347b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4348b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen = MAXPATHLEN + 1; 4349b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_onm = nfscmd_convname(ca, cs->exi, onm, NFSCMD_CONV_INBOUND, 4350b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen); 4351b89a8333Snatalie li - Sun Microsystems - Irvine United States 4352b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm == NULL) { 4353b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4354b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4355b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4356b89a8333Snatalie li - Sun Microsystems - Irvine United States } 43577c478bd9Sstevel@tonic-gate 43587c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 43597c478bd9Sstevel@tonic-gate if (nnm == NULL) { 43607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4361b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4362b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4363b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4364b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4365b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4366b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_nnm = nfscmd_convname(ca, cs->exi, nnm, NFSCMD_CONV_INBOUND, 4367b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4368b89a8333Snatalie li - Sun Microsystems - Irvine United States 4369b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm == NULL) { 4370b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4371b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 4372b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = NULL; 4373b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4374b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 43757c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4376f3b585ceSsamf goto out; 43777c478bd9Sstevel@tonic-gate } 43787c478bd9Sstevel@tonic-gate 4379b89a8333Snatalie li - Sun Microsystems - Irvine United States 43807c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 43817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 43827c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 43837c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4384f3b585ceSsamf goto out; 43857c478bd9Sstevel@tonic-gate } 43867c478bd9Sstevel@tonic-gate 43877c478bd9Sstevel@tonic-gate 43887c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 43897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 4390b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4391b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 43927c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4393b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4394b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 43957c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4396f3b585ceSsamf goto out; 43977c478bd9Sstevel@tonic-gate } 43987c478bd9Sstevel@tonic-gate 439945916cd2Sjpk /* check label of the target dir */ 440045916cd2Sjpk if (is_system_labeled()) { 440145916cd2Sjpk ASSERT(req->rq_label != NULL); 440245916cd2Sjpk clabel = req->rq_label; 440345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 440445916cd2Sjpk "got client label from request(1)", 440545916cd2Sjpk struct svc_req *, req); 440645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 440703986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 440845916cd2Sjpk EQUALITY_CHECK)) { 440945916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4410b89a8333Snatalie li - Sun Microsystems - Irvine United States goto err_out; 441145916cd2Sjpk } 441245916cd2Sjpk } 441345916cd2Sjpk } 441445916cd2Sjpk 44157c478bd9Sstevel@tonic-gate /* 44167c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 44177c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 44187c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 44197c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 44207c478bd9Sstevel@tonic-gate */ 4421b89a8333Snatalie li - Sun Microsystems - Irvine United States if (sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp, 4422b89a8333Snatalie li - Sun Microsystems - Irvine United States &error, cs->cr)) { 44237c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 44241b300de9Sjwahlig NULL)) { 44257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 44267c478bd9Sstevel@tonic-gate goto err_out; 44277c478bd9Sstevel@tonic-gate } 44287c478bd9Sstevel@tonic-gate } 44297c478bd9Sstevel@tonic-gate 44307c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 44317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4432b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4433b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44347c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4435b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4436b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44377c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4438f3b585ceSsamf goto out; 44397c478bd9Sstevel@tonic-gate } 44407c478bd9Sstevel@tonic-gate 44417c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 44427c478bd9Sstevel@tonic-gate 44437c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 4444b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, 4445b89a8333Snatalie li - Sun Microsystems - Irvine United States NULL, cs->cr)) { 44467c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 44471b300de9Sjwahlig NULL)) { 44487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 44497c478bd9Sstevel@tonic-gate goto err_out; 44507c478bd9Sstevel@tonic-gate } 44517c478bd9Sstevel@tonic-gate } 44527c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 44537c478bd9Sstevel@tonic-gate 44547c478bd9Sstevel@tonic-gate 44557c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 44567c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 44577c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 44587c478bd9Sstevel@tonic-gate in_crit_src = 1; 4459da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 44607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 44617c478bd9Sstevel@tonic-gate goto err_out; 44627c478bd9Sstevel@tonic-gate } 44637c478bd9Sstevel@tonic-gate } 44647c478bd9Sstevel@tonic-gate 44657c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 44667c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 44677c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4468da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 44697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 44707c478bd9Sstevel@tonic-gate goto err_out; 44717c478bd9Sstevel@tonic-gate } 44727c478bd9Sstevel@tonic-gate } 44737c478bd9Sstevel@tonic-gate 44747c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 44757c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4476da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 44777c478bd9Sstevel@tonic-gate if (!error) { 44787c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4479da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 44807c478bd9Sstevel@tonic-gate } 44817c478bd9Sstevel@tonic-gate if (error) { 44827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 44837c478bd9Sstevel@tonic-gate goto err_out; 44847c478bd9Sstevel@tonic-gate } 44857c478bd9Sstevel@tonic-gate 44867c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 44877c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 44887c478bd9Sstevel@tonic-gate 4489b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_RENAME(odvp, converted_onm, ndvp, converted_nnm, 4490b89a8333Snatalie li - Sun Microsystems - Irvine United States cs->cr, NULL, 0)) == 0 && fp != NULL) { 44917c478bd9Sstevel@tonic-gate struct vattr va; 4492418d27f3Sshepler vnode_t *tvp; 4493418d27f3Sshepler 4494418d27f3Sshepler rfs4_dbe_lock(fp->dbe); 4495418d27f3Sshepler tvp = fp->vp; 4496418d27f3Sshepler if (tvp) 4497418d27f3Sshepler VN_HOLD(tvp); 4498418d27f3Sshepler rfs4_dbe_unlock(fp->dbe); 44997c478bd9Sstevel@tonic-gate 4500418d27f3Sshepler if (tvp) { 4501418d27f3Sshepler va.va_mask = AT_NLINK; 4502da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 45031b300de9Sjwahlig va.va_nlink == 0) { 4504418d27f3Sshepler /* The file is gone and so should the state */ 4505418d27f3Sshepler if (in_crit_targ) { 4506418d27f3Sshepler nbl_end_crit(targvp); 4507418d27f3Sshepler in_crit_targ = 0; 4508418d27f3Sshepler } 4509418d27f3Sshepler rfs4_close_all_state(fp); 45107c478bd9Sstevel@tonic-gate } 4511418d27f3Sshepler VN_RELE(tvp); 45127c478bd9Sstevel@tonic-gate } 45137c478bd9Sstevel@tonic-gate } 451451ece835Seschrock if (error == 0) 451551ece835Seschrock vn_renamepath(ndvp, srcvp, nnm, nlen - 1); 45167c478bd9Sstevel@tonic-gate 45177c478bd9Sstevel@tonic-gate if (in_crit_src) 45187c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 45197c478bd9Sstevel@tonic-gate if (srcvp) 45207c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 45217c478bd9Sstevel@tonic-gate if (in_crit_targ) 45227c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 45237c478bd9Sstevel@tonic-gate if (targvp) 45247c478bd9Sstevel@tonic-gate VN_RELE(targvp); 45257c478bd9Sstevel@tonic-gate 45267c478bd9Sstevel@tonic-gate if (sfp) { 45277c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 45287c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 45297c478bd9Sstevel@tonic-gate } 45307c478bd9Sstevel@tonic-gate if (fp) { 45317c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 45327c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 45337c478bd9Sstevel@tonic-gate } 45347c478bd9Sstevel@tonic-gate 4535b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm != onm) 4536b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45377c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4538b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm != nnm) 4539b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 45407c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 45417c478bd9Sstevel@tonic-gate 45427c478bd9Sstevel@tonic-gate /* 45437c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 45447c478bd9Sstevel@tonic-gate */ 45457c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4546da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 45477c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 45487c478bd9Sstevel@tonic-gate 45497c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4550da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 45517c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 45527c478bd9Sstevel@tonic-gate 45537c478bd9Sstevel@tonic-gate /* 45547c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 45557c478bd9Sstevel@tonic-gate */ 4556da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4557da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 45587c478bd9Sstevel@tonic-gate 45597c478bd9Sstevel@tonic-gate if (error) { 45607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4561f3b585ceSsamf goto out; 45627c478bd9Sstevel@tonic-gate } 45637c478bd9Sstevel@tonic-gate 45647c478bd9Sstevel@tonic-gate /* 45657c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 45667c478bd9Sstevel@tonic-gate * before value. 45677c478bd9Sstevel@tonic-gate */ 45687c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4569da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 45707c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 45717c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 45727c478bd9Sstevel@tonic-gate } 45737c478bd9Sstevel@tonic-gate 45747c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4575da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 45767c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 45777c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 45787c478bd9Sstevel@tonic-gate } 45797c478bd9Sstevel@tonic-gate 45807c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 45817c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 45827c478bd9Sstevel@tonic-gate 45837c478bd9Sstevel@tonic-gate /* 45847c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 45857c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 45867c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 45877c478bd9Sstevel@tonic-gate */ 45887c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 45891b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 45907c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 45917c478bd9Sstevel@tonic-gate else 45927c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 45937c478bd9Sstevel@tonic-gate 45947c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 45951b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 45967c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 45977c478bd9Sstevel@tonic-gate else 45987c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 45997c478bd9Sstevel@tonic-gate 46007c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 46017c478bd9Sstevel@tonic-gate { 46027c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 46037c478bd9Sstevel@tonic-gate 46047c478bd9Sstevel@tonic-gate /* 46057c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 46067c478bd9Sstevel@tonic-gate */ 46077c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 46087c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 46097c478bd9Sstevel@tonic-gate vnode_t *vp; 46107c478bd9Sstevel@tonic-gate 46117c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 46127c478bd9Sstevel@tonic-gate /* 46137c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 46147c478bd9Sstevel@tonic-gate */ 4615da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4616da6c28aaSamw NULL, NULL, NULL); 46177c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46187c478bd9Sstevel@tonic-gate if (!error) { 46197c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 46207c478bd9Sstevel@tonic-gate VN_RELE(vp); 46217c478bd9Sstevel@tonic-gate } 46227c478bd9Sstevel@tonic-gate } 46237c478bd9Sstevel@tonic-gate } 46247c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 46257c478bd9Sstevel@tonic-gate 46267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4627f3b585ceSsamf out: 4628f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4629f3b585ceSsamf RENAME4res *, resp); 46307c478bd9Sstevel@tonic-gate return; 46317c478bd9Sstevel@tonic-gate 46327c478bd9Sstevel@tonic-gate err_out: 4633b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4634b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4635b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != NULL) 4636b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4637b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4638b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 4639b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != NULL) 4640b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 46437c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 46447c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 46457c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 46467c478bd9Sstevel@tonic-gate if (sfp) { 46477c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 46487c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 46497c478bd9Sstevel@tonic-gate } 46507c478bd9Sstevel@tonic-gate if (fp) { 46517c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 46527c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 46537c478bd9Sstevel@tonic-gate } 4654f3b585ceSsamf 4655f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4656f3b585ceSsamf RENAME4res *, resp); 46577c478bd9Sstevel@tonic-gate } 46587c478bd9Sstevel@tonic-gate 46597c478bd9Sstevel@tonic-gate /* ARGSUSED */ 46607c478bd9Sstevel@tonic-gate static void 46617c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 46627c478bd9Sstevel@tonic-gate struct compound_state *cs) 46637c478bd9Sstevel@tonic-gate { 46647c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 46657c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 46667c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 46677c478bd9Sstevel@tonic-gate 4668f3b585ceSsamf DTRACE_NFSV4_2(op__renew__start, struct compound_state *, cs, 4669f3b585ceSsamf RENEW4args *, args); 4670f3b585ceSsamf 46717c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 46727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 46731b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 0); 4674f3b585ceSsamf goto out; 46757c478bd9Sstevel@tonic-gate } 46767c478bd9Sstevel@tonic-gate 46777c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 46787c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 46797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 4680f3b585ceSsamf goto out; 46817c478bd9Sstevel@tonic-gate } 46827c478bd9Sstevel@tonic-gate 46837c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 46847c478bd9Sstevel@tonic-gate 46857c478bd9Sstevel@tonic-gate mutex_enter(cp->cbinfo.cb_lock); 46867c478bd9Sstevel@tonic-gate if (cp->cbinfo.cb_notified_of_cb_path_down == FALSE) { 46877c478bd9Sstevel@tonic-gate cp->cbinfo.cb_notified_of_cb_path_down = TRUE; 46887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 46897c478bd9Sstevel@tonic-gate } else { 46907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 46917c478bd9Sstevel@tonic-gate } 46927c478bd9Sstevel@tonic-gate mutex_exit(cp->cbinfo.cb_lock); 46937c478bd9Sstevel@tonic-gate 46947c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 46957c478bd9Sstevel@tonic-gate 4696f3b585ceSsamf out: 4697f3b585ceSsamf DTRACE_NFSV4_2(op__renew__done, struct compound_state *, cs, 4698f3b585ceSsamf RENEW4res *, resp); 46997c478bd9Sstevel@tonic-gate } 47007c478bd9Sstevel@tonic-gate 47017c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47027c478bd9Sstevel@tonic-gate static void 47037c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 47047c478bd9Sstevel@tonic-gate struct compound_state *cs) 47057c478bd9Sstevel@tonic-gate { 47067c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 47077c478bd9Sstevel@tonic-gate 4708f3b585ceSsamf DTRACE_NFSV4_1(op__restorefh__start, struct compound_state *, cs); 4709f3b585ceSsamf 47107c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 47117c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 47127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 4713f3b585ceSsamf goto out; 47147c478bd9Sstevel@tonic-gate } 47157c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 47167c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 47177c478bd9Sstevel@tonic-gate } 47187c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 47197c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 47207c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 47217c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 47227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 47237c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 4724f3b585ceSsamf 4725f3b585ceSsamf out: 4726f3b585ceSsamf DTRACE_NFSV4_2(op__restorefh__done, struct compound_state *, cs, 4727f3b585ceSsamf RESTOREFH4res *, resp); 47287c478bd9Sstevel@tonic-gate } 47297c478bd9Sstevel@tonic-gate 47307c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47317c478bd9Sstevel@tonic-gate static void 47327c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 47337c478bd9Sstevel@tonic-gate struct compound_state *cs) 47347c478bd9Sstevel@tonic-gate { 47357c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 47367c478bd9Sstevel@tonic-gate 4737f3b585ceSsamf DTRACE_NFSV4_1(op__savefh__start, struct compound_state *, cs); 4738f3b585ceSsamf 47397c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 47407c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 47417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4742f3b585ceSsamf goto out; 47437c478bd9Sstevel@tonic-gate } 47447c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 47457c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 47467c478bd9Sstevel@tonic-gate } 47477c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 47487c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 47497c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 47507c478bd9Sstevel@tonic-gate /* 47517c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 47527c478bd9Sstevel@tonic-gate * unless necessary. 47537c478bd9Sstevel@tonic-gate */ 47547c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 47557c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 47567c478bd9Sstevel@tonic-gate } 47577c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 47587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4759f3b585ceSsamf 4760f3b585ceSsamf out: 4761f3b585ceSsamf DTRACE_NFSV4_2(op__savefh__done, struct compound_state *, cs, 4762f3b585ceSsamf SAVEFH4res *, resp); 47637c478bd9Sstevel@tonic-gate } 47647c478bd9Sstevel@tonic-gate 47657c478bd9Sstevel@tonic-gate /* 47667c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 47677c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 47687c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 47697c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 47707c478bd9Sstevel@tonic-gate * 47717c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 47727c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 47737c478bd9Sstevel@tonic-gate * 47747c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 47757c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 47767c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 47777c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 47787c478bd9Sstevel@tonic-gate * 47797c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 47807c478bd9Sstevel@tonic-gate */ 47817c478bd9Sstevel@tonic-gate static int 47827c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 47837c478bd9Sstevel@tonic-gate bitmap4 *resp, struct nfs4_ntov_table *ntovp) 47847c478bd9Sstevel@tonic-gate { 47857c478bd9Sstevel@tonic-gate int error, ret_error = 0; 47867c478bd9Sstevel@tonic-gate int i, k; 47877c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 47887c478bd9Sstevel@tonic-gate uint_t vbit; 47897c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 47907c478bd9Sstevel@tonic-gate uint8_t *amap; 47917c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 47927c478bd9Sstevel@tonic-gate 47937c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 47947c478bd9Sstevel@tonic-gate /* 47957c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 47967c478bd9Sstevel@tonic-gate * on the incoming values. 47977c478bd9Sstevel@tonic-gate */ 47987c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4799da6c28aaSamw sargp->cs->cr, NULL); 48007c478bd9Sstevel@tonic-gate if (ret_error) { 48017c478bd9Sstevel@tonic-gate if (resp == NULL) 48027c478bd9Sstevel@tonic-gate return (ret_error); 48037c478bd9Sstevel@tonic-gate /* 48047c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 48057c478bd9Sstevel@tonic-gate */ 48067c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 48077c478bd9Sstevel@tonic-gate } else { 48087c478bd9Sstevel@tonic-gate /* 48097c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 48107c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 48117c478bd9Sstevel@tonic-gate * defensive coding. 48127c478bd9Sstevel@tonic-gate * See bug id 4276830. 48137c478bd9Sstevel@tonic-gate */ 48147c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 48157c478bd9Sstevel@tonic-gate } 48167c478bd9Sstevel@tonic-gate } 48177c478bd9Sstevel@tonic-gate 48187c478bd9Sstevel@tonic-gate if (getsb) { 48197c478bd9Sstevel@tonic-gate /* 48207c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 48217c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 48227c478bd9Sstevel@tonic-gate */ 48237c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 48247c478bd9Sstevel@tonic-gate if (ret_error) { 48257c478bd9Sstevel@tonic-gate if (resp == NULL) 48267c478bd9Sstevel@tonic-gate goto errout; 48277c478bd9Sstevel@tonic-gate getsb = FALSE; 48287c478bd9Sstevel@tonic-gate } 48297c478bd9Sstevel@tonic-gate } 48307c478bd9Sstevel@tonic-gate 48317c478bd9Sstevel@tonic-gate /* 48327c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 48337c478bd9Sstevel@tonic-gate * whether it's the same as the input. 48347c478bd9Sstevel@tonic-gate */ 48357c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 48367c478bd9Sstevel@tonic-gate goto errout; 48377c478bd9Sstevel@tonic-gate 48387c478bd9Sstevel@tonic-gate na = ntovp->na; 48397c478bd9Sstevel@tonic-gate amap = ntovp->amap; 48407c478bd9Sstevel@tonic-gate k = 0; 48417c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 48427c478bd9Sstevel@tonic-gate k = *amap; 48437c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 48447c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 48457c478bd9Sstevel@tonic-gate 48467c478bd9Sstevel@tonic-gate /* 48477c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 48487c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 48497c478bd9Sstevel@tonic-gate */ 48507c478bd9Sstevel@tonic-gate if (vbit) { 48517c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 48527c478bd9Sstevel@tonic-gate continue; 48537c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 48547c478bd9Sstevel@tonic-gate continue; 48557c478bd9Sstevel@tonic-gate } 48561b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 48577c478bd9Sstevel@tonic-gate if (resp != NULL) { 48587c478bd9Sstevel@tonic-gate if (error) 48597c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 48607c478bd9Sstevel@tonic-gate else /* update response bitmap */ 48617c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 48627c478bd9Sstevel@tonic-gate continue; 48637c478bd9Sstevel@tonic-gate } 48647c478bd9Sstevel@tonic-gate if (error) { 48657c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 48667c478bd9Sstevel@tonic-gate break; 48677c478bd9Sstevel@tonic-gate } 48687c478bd9Sstevel@tonic-gate } 48697c478bd9Sstevel@tonic-gate errout: 48707c478bd9Sstevel@tonic-gate return (ret_error); 48717c478bd9Sstevel@tonic-gate } 48727c478bd9Sstevel@tonic-gate 48737c478bd9Sstevel@tonic-gate /* 48747c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 48757c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 48767c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 48777c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 48787c478bd9Sstevel@tonic-gate * 48797c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 48807c478bd9Sstevel@tonic-gate */ 48817c478bd9Sstevel@tonic-gate static int 48827c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 48837c478bd9Sstevel@tonic-gate int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 48847c478bd9Sstevel@tonic-gate { 48857c478bd9Sstevel@tonic-gate int error = 0; 48867c478bd9Sstevel@tonic-gate bool_t set_later; 48877c478bd9Sstevel@tonic-gate 48887c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 48897c478bd9Sstevel@tonic-gate 48907c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 48917c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 48927c478bd9Sstevel@tonic-gate /* 48937c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 48947c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 48957c478bd9Sstevel@tonic-gate * Will be done later. 48967c478bd9Sstevel@tonic-gate */ 48977c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 48987c478bd9Sstevel@tonic-gate /* 48997c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 49007c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 49017c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 49027c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 49037c478bd9Sstevel@tonic-gate */ 49047c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 49057c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 49067c478bd9Sstevel@tonic-gate sargp, nap); 49077c478bd9Sstevel@tonic-gate if (error) { 49087c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 49097c478bd9Sstevel@tonic-gate (caddr_t)nap); 49107c478bd9Sstevel@tonic-gate } 49117c478bd9Sstevel@tonic-gate } 49127c478bd9Sstevel@tonic-gate } 49137c478bd9Sstevel@tonic-gate } else { 49147c478bd9Sstevel@tonic-gate #ifdef DEBUG 49157c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 49161b300de9Sjwahlig "decoding attribute %d\n", k); 49177c478bd9Sstevel@tonic-gate #endif 49187c478bd9Sstevel@tonic-gate error = EINVAL; 49197c478bd9Sstevel@tonic-gate } 49207c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 49217c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 49227c478bd9Sstevel@tonic-gate } 49237c478bd9Sstevel@tonic-gate 49247c478bd9Sstevel@tonic-gate return (error); 49257c478bd9Sstevel@tonic-gate } 49267c478bd9Sstevel@tonic-gate 49277c478bd9Sstevel@tonic-gate /* 49287c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 49297c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 49307c478bd9Sstevel@tonic-gate */ 49317c478bd9Sstevel@tonic-gate static nfsstat4 49327c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 49337c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 49347c478bd9Sstevel@tonic-gate nfs4_attr_cmd_t cmd) 49357c478bd9Sstevel@tonic-gate { 49367c478bd9Sstevel@tonic-gate int error = 0; 49377c478bd9Sstevel@tonic-gate int i; 49387c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 49397c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 49407c478bd9Sstevel@tonic-gate XDR xdr; 49417c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 49427c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 49437c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 49447c478bd9Sstevel@tonic-gate uint8_t *amap; 49457c478bd9Sstevel@tonic-gate 49467c478bd9Sstevel@tonic-gate #ifndef lint 49477c478bd9Sstevel@tonic-gate /* 49487c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 49497c478bd9Sstevel@tonic-gate * 8 bit quantity. 49507c478bd9Sstevel@tonic-gate */ 49517c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 49527c478bd9Sstevel@tonic-gate #endif 49537c478bd9Sstevel@tonic-gate 49547c478bd9Sstevel@tonic-gate if (vp == NULL) { 49557c478bd9Sstevel@tonic-gate if (resp) 49567c478bd9Sstevel@tonic-gate *resp = 0; 49577c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 49587c478bd9Sstevel@tonic-gate } 49597c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 49607c478bd9Sstevel@tonic-gate if (resp) 49617c478bd9Sstevel@tonic-gate *resp = 0; 49627c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 49637c478bd9Sstevel@tonic-gate } 49647c478bd9Sstevel@tonic-gate 49657c478bd9Sstevel@tonic-gate sargp->op = cmd; 49667c478bd9Sstevel@tonic-gate sargp->cs = cs; 49677c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 49687c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 49697c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 49707c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 49717c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 49727c478bd9Sstevel@tonic-gate 49737c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 49747c478bd9Sstevel@tonic-gate 49757c478bd9Sstevel@tonic-gate na = ntovp->na; 49767c478bd9Sstevel@tonic-gate amap = ntovp->amap; 49777c478bd9Sstevel@tonic-gate 49787c478bd9Sstevel@tonic-gate /* 49797c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 49807c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 49817c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 49827c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 49837c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 49847c478bd9Sstevel@tonic-gate * will be set in this loop. 49857c478bd9Sstevel@tonic-gate */ 49867c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 49877c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 49887c478bd9Sstevel@tonic-gate continue; 49897c478bd9Sstevel@tonic-gate } 49907c478bd9Sstevel@tonic-gate /* 49917c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 49927c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 49937c478bd9Sstevel@tonic-gate */ 49947c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 49951b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 49967c478bd9Sstevel@tonic-gate /* 49977c478bd9Sstevel@tonic-gate * Client tries to set/verify an 49987c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 49997c478bd9Sstevel@tonic-gate * a read only attr or verify a write 50007c478bd9Sstevel@tonic-gate * only one - error! 50017c478bd9Sstevel@tonic-gate */ 50027c478bd9Sstevel@tonic-gate break; 50037c478bd9Sstevel@tonic-gate } 50047c478bd9Sstevel@tonic-gate /* 50057c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 50067c478bd9Sstevel@tonic-gate */ 50077c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 50081b300de9Sjwahlig &xdr, resp ? resp : NULL, na); 50097c478bd9Sstevel@tonic-gate if (error) 50107c478bd9Sstevel@tonic-gate break; 50117c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 50127c478bd9Sstevel@tonic-gate na++; 50137c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 50147c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 50157c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 50167c478bd9Sstevel@tonic-gate } 50177c478bd9Sstevel@tonic-gate 50187c478bd9Sstevel@tonic-gate if (error != 0) 50191b300de9Sjwahlig status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 50201b300de9Sjwahlig puterrno4(error)); 50217c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 50227c478bd9Sstevel@tonic-gate return (status); 50237c478bd9Sstevel@tonic-gate } 50247c478bd9Sstevel@tonic-gate 50257c478bd9Sstevel@tonic-gate static nfsstat4 50267c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 50277c478bd9Sstevel@tonic-gate stateid4 *stateid) 50287c478bd9Sstevel@tonic-gate { 50297c478bd9Sstevel@tonic-gate int error = 0; 50307c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 50317c478bd9Sstevel@tonic-gate bool_t trunc; 50327c478bd9Sstevel@tonic-gate 50337c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 50347c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 50357c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 50367c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 50377c478bd9Sstevel@tonic-gate struct statvfs64 sb; 50387c478bd9Sstevel@tonic-gate struct vattr bva; 50397c478bd9Sstevel@tonic-gate struct flock64 bf; 50407c478bd9Sstevel@tonic-gate int in_crit = 0; 50417c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 50427c478bd9Sstevel@tonic-gate caller_context_t ct; 50437c478bd9Sstevel@tonic-gate 50447c478bd9Sstevel@tonic-gate *resp = 0; 50457c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 50467c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 50477c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 50481b300de9Sjwahlig NFS4ATTR_SETIT); 50497c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 50507c478bd9Sstevel@tonic-gate /* 50517c478bd9Sstevel@tonic-gate * failed set attrs 50527c478bd9Sstevel@tonic-gate */ 50537c478bd9Sstevel@tonic-gate goto done; 50547c478bd9Sstevel@tonic-gate } 50557c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 50567c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 50577c478bd9Sstevel@tonic-gate /* 50587c478bd9Sstevel@tonic-gate * no further work to be done 50597c478bd9Sstevel@tonic-gate */ 50607c478bd9Sstevel@tonic-gate goto done; 50617c478bd9Sstevel@tonic-gate } 50627c478bd9Sstevel@tonic-gate 50637c478bd9Sstevel@tonic-gate /* 50647c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 50657c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 50667c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 50677c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 50687c478bd9Sstevel@tonic-gate */ 50697c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 50707c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 50717c478bd9Sstevel@tonic-gate vattr_t va; 50727c478bd9Sstevel@tonic-gate 50737c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 5074da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 50757c478bd9Sstevel@tonic-gate if (error) { 50767c478bd9Sstevel@tonic-gate status = puterrno4(error); 50777c478bd9Sstevel@tonic-gate goto done; 50787c478bd9Sstevel@tonic-gate } 50797c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 50807c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 50817c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 50827c478bd9Sstevel@tonic-gate goto done; 50837c478bd9Sstevel@tonic-gate } 50847c478bd9Sstevel@tonic-gate } 50857c478bd9Sstevel@tonic-gate 50867c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 50877c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 50887c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 50897c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 5090da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 50917c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 50927c478bd9Sstevel@tonic-gate goto done; 5093da6c28aaSamw } else { 5094da6c28aaSamw ct.cc_sysid = 0; 5095da6c28aaSamw ct.cc_pid = 0; 5096da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 509762b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 50987c478bd9Sstevel@tonic-gate } 50997c478bd9Sstevel@tonic-gate 51007c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 51017c478bd9Sstevel@tonic-gate 51027c478bd9Sstevel@tonic-gate /* 51037c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 51047c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 51057c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 51067c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 51077c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 51087c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 51097c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 51107c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 51117c478bd9Sstevel@tonic-gate * do the access checking. 51127c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 51137c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 51147c478bd9Sstevel@tonic-gate * the region of the change. 51157c478bd9Sstevel@tonic-gate */ 51167c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 51177c478bd9Sstevel@tonic-gate u_offset_t offset; 51187c478bd9Sstevel@tonic-gate ssize_t length; 51197c478bd9Sstevel@tonic-gate 51209720e166Sjasmith /* 51219720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 51229720e166Sjasmith * before returning, sarg.vap->va_mask is used to 51239720e166Sjasmith * generate the setattr reply bitmap. We also clear 51249720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 51259720e166Sjasmith * of these cases, the va_mask needs to be saved here 51269720e166Sjasmith * and restored after calling VOP_SETATTR. 51279720e166Sjasmith */ 51289720e166Sjasmith saved_mask = sarg.vap->va_mask; 51299720e166Sjasmith 51307c478bd9Sstevel@tonic-gate /* 51317c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 51327c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 51337c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 51347c478bd9Sstevel@tonic-gate */ 51357c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 51367c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 51377c478bd9Sstevel@tonic-gate in_crit = 1; 51387c478bd9Sstevel@tonic-gate } 51397c478bd9Sstevel@tonic-gate 51407c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 5141da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 51427c478bd9Sstevel@tonic-gate status = puterrno4(error); 51437c478bd9Sstevel@tonic-gate goto done; 51447c478bd9Sstevel@tonic-gate } 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate if (in_crit) { 51477c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 51487c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 51497c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 51507c478bd9Sstevel@tonic-gate } else { 51517c478bd9Sstevel@tonic-gate offset = bva.va_size; 51527c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 51537c478bd9Sstevel@tonic-gate } 5154da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 5155da6c28aaSamw &ct)) { 51567c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 51577c478bd9Sstevel@tonic-gate goto done; 51587c478bd9Sstevel@tonic-gate } 51597c478bd9Sstevel@tonic-gate } 51607c478bd9Sstevel@tonic-gate 51617c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 51627c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 51637c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 51647c478bd9Sstevel@tonic-gate bf.l_whence = 0; 51657c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 51667c478bd9Sstevel@tonic-gate bf.l_len = 0; 51677c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 51687c478bd9Sstevel@tonic-gate bf.l_pid = 0; 51697c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 51701b300de9Sjwahlig (offset_t)sarg.vap->va_size, cr, &ct); 51717c478bd9Sstevel@tonic-gate } 51727c478bd9Sstevel@tonic-gate } 51737c478bd9Sstevel@tonic-gate 51747c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 51757c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 51767c478bd9Sstevel@tonic-gate 51779720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 51787c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 51797c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 51807c478bd9Sstevel@tonic-gate 51817c478bd9Sstevel@tonic-gate /* 51827c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 51837c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 51847c478bd9Sstevel@tonic-gate */ 51857c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 51867c478bd9Sstevel@tonic-gate int i; 51877c478bd9Sstevel@tonic-gate 51887c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 51897c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 51907c478bd9Sstevel@tonic-gate break; 51917c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 51927c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 51937c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 51947c478bd9Sstevel@tonic-gate if (error == 0) { 51957c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 51967c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 51977c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 51987c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 51997c478bd9Sstevel@tonic-gate goto done; 52007c478bd9Sstevel@tonic-gate } 52017c478bd9Sstevel@tonic-gate } else { 52027c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 52037c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 52047c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 52057c478bd9Sstevel@tonic-gate error = EINVAL; 52067c478bd9Sstevel@tonic-gate } 52077c478bd9Sstevel@tonic-gate } 52087c478bd9Sstevel@tonic-gate 52097c478bd9Sstevel@tonic-gate if (error) { 521062b9fcbeSjwahlig /* check if a monitor detected a delegation conflict */ 521162b9fcbeSjwahlig if (error == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 521262b9fcbeSjwahlig status = NFS4ERR_DELAY; 521362b9fcbeSjwahlig else 521462b9fcbeSjwahlig status = puterrno4(error); 52157c478bd9Sstevel@tonic-gate 52167c478bd9Sstevel@tonic-gate /* 52177c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 52187c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 52197c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 52207c478bd9Sstevel@tonic-gate * to the setattr arguments. 52217c478bd9Sstevel@tonic-gate */ 52227c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 52237c478bd9Sstevel@tonic-gate } else { 52247c478bd9Sstevel@tonic-gate /* 52257c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 52267c478bd9Sstevel@tonic-gate */ 5227da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 52287c478bd9Sstevel@tonic-gate /* 52297c478bd9Sstevel@tonic-gate * Set response bitmap 52307c478bd9Sstevel@tonic-gate */ 52319720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 52327c478bd9Sstevel@tonic-gate } 52337c478bd9Sstevel@tonic-gate 52347c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 52357c478bd9Sstevel@tonic-gate done: 52369720e166Sjasmith /* 52379720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 52389720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 52399720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 52409720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 52419720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 52429720e166Sjasmith * case. 52439720e166Sjasmith */ 52449720e166Sjasmith *resp &= fattrp->attrmask; 52459720e166Sjasmith 52467c478bd9Sstevel@tonic-gate if (in_crit) 52477c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 52487c478bd9Sstevel@tonic-gate 52497c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 52507c478bd9Sstevel@tonic-gate 52517c478bd9Sstevel@tonic-gate return (status); 52527c478bd9Sstevel@tonic-gate } 52537c478bd9Sstevel@tonic-gate 52547c478bd9Sstevel@tonic-gate /* ARGSUSED */ 52557c478bd9Sstevel@tonic-gate static void 52567c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 52577c478bd9Sstevel@tonic-gate struct compound_state *cs) 52587c478bd9Sstevel@tonic-gate { 52597c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 52607c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 526145916cd2Sjpk bslabel_t *clabel; 52627c478bd9Sstevel@tonic-gate 5263f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__start, struct compound_state *, cs, 5264f3b585ceSsamf SETATTR4args *, args); 5265f3b585ceSsamf 52667c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 52677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5268f3b585ceSsamf goto out; 52697c478bd9Sstevel@tonic-gate } 52707c478bd9Sstevel@tonic-gate 52717c478bd9Sstevel@tonic-gate /* 52727c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 52737c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 52747c478bd9Sstevel@tonic-gate */ 52757c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 52767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5277f3b585ceSsamf goto out; 52787c478bd9Sstevel@tonic-gate } 52797c478bd9Sstevel@tonic-gate 52807c478bd9Sstevel@tonic-gate resp->attrsset = 0; 52817c478bd9Sstevel@tonic-gate 52827c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 52837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 5284f3b585ceSsamf goto out; 52857c478bd9Sstevel@tonic-gate } 52867c478bd9Sstevel@tonic-gate 528745916cd2Sjpk /* check label before setting attributes */ 528845916cd2Sjpk if (is_system_labeled()) { 528945916cd2Sjpk ASSERT(req->rq_label != NULL); 529045916cd2Sjpk clabel = req->rq_label; 529145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 529245916cd2Sjpk "got client label from request(1)", 529345916cd2Sjpk struct svc_req *, req); 529445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 529503986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 529645916cd2Sjpk EQUALITY_CHECK)) { 529745916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 5298f3b585ceSsamf goto out; 529945916cd2Sjpk } 530045916cd2Sjpk } 530145916cd2Sjpk } 530245916cd2Sjpk 53037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 53041b300de9Sjwahlig do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 53051b300de9Sjwahlig &args->stateid); 5306f3b585ceSsamf 5307f3b585ceSsamf out: 5308f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__done, struct compound_state *, cs, 5309f3b585ceSsamf SETATTR4res *, resp); 53107c478bd9Sstevel@tonic-gate } 53117c478bd9Sstevel@tonic-gate 53127c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53137c478bd9Sstevel@tonic-gate static void 53147c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 53157c478bd9Sstevel@tonic-gate struct compound_state *cs) 53167c478bd9Sstevel@tonic-gate { 53177c478bd9Sstevel@tonic-gate /* 53187c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 53197c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 53207c478bd9Sstevel@tonic-gate * when none changed. 53217c478bd9Sstevel@tonic-gate */ 53227c478bd9Sstevel@tonic-gate 53237c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 53247c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 53257c478bd9Sstevel@tonic-gate 53267c478bd9Sstevel@tonic-gate int error; 53277c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 53287c478bd9Sstevel@tonic-gate struct statvfs64 sb; 53297c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 53307c478bd9Sstevel@tonic-gate 5331f3b585ceSsamf DTRACE_NFSV4_2(op__verify__start, struct compound_state *, cs, 5332f3b585ceSsamf VERIFY4args *, args); 5333f3b585ceSsamf 53347c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5336f3b585ceSsamf goto out; 53377c478bd9Sstevel@tonic-gate } 53387c478bd9Sstevel@tonic-gate 53397c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 53407c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 53417c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 53421b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 53437c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 53447c478bd9Sstevel@tonic-gate /* 53457c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 53467c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 53477c478bd9Sstevel@tonic-gate */ 53487c478bd9Sstevel@tonic-gate if (resp->status == -1) 53497c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 53507c478bd9Sstevel@tonic-gate goto done; 53517c478bd9Sstevel@tonic-gate } 53527c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 53537c478bd9Sstevel@tonic-gate switch (error) { 53547c478bd9Sstevel@tonic-gate case 0: 53557c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 53567c478bd9Sstevel@tonic-gate break; 53577c478bd9Sstevel@tonic-gate case -1: 53587c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 53597c478bd9Sstevel@tonic-gate break; 53607c478bd9Sstevel@tonic-gate default: 53617c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 53627c478bd9Sstevel@tonic-gate break; 53637c478bd9Sstevel@tonic-gate } 53647c478bd9Sstevel@tonic-gate done: 53657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 53667c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5367f3b585ceSsamf out: 5368f3b585ceSsamf DTRACE_NFSV4_2(op__verify__done, struct compound_state *, cs, 5369f3b585ceSsamf VERIFY4res *, resp); 53707c478bd9Sstevel@tonic-gate } 53717c478bd9Sstevel@tonic-gate 53727c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53737c478bd9Sstevel@tonic-gate static void 53747c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 53757c478bd9Sstevel@tonic-gate struct compound_state *cs) 53767c478bd9Sstevel@tonic-gate { 53777c478bd9Sstevel@tonic-gate /* 53787c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 53797c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 53807c478bd9Sstevel@tonic-gate * when none changed. 53817c478bd9Sstevel@tonic-gate */ 53827c478bd9Sstevel@tonic-gate 53837c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 53847c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 53857c478bd9Sstevel@tonic-gate 53867c478bd9Sstevel@tonic-gate int error; 53877c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 53887c478bd9Sstevel@tonic-gate struct statvfs64 sb; 53897c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 53907c478bd9Sstevel@tonic-gate 5391f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__start, struct compound_state *, cs, 5392f3b585ceSsamf NVERIFY4args *, args); 5393f3b585ceSsamf 53947c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5396f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5397f3b585ceSsamf NVERIFY4res *, resp); 53987c478bd9Sstevel@tonic-gate return; 53997c478bd9Sstevel@tonic-gate } 54007c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 54017c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54027c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54031b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 54047c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54057c478bd9Sstevel@tonic-gate /* 54067c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54077c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54087c478bd9Sstevel@tonic-gate */ 54097c478bd9Sstevel@tonic-gate if (resp->status == -1) 54107c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54117c478bd9Sstevel@tonic-gate goto done; 54127c478bd9Sstevel@tonic-gate } 54137c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54147c478bd9Sstevel@tonic-gate switch (error) { 54157c478bd9Sstevel@tonic-gate case 0: 54167c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 54177c478bd9Sstevel@tonic-gate break; 54187c478bd9Sstevel@tonic-gate case -1: 54197c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54207c478bd9Sstevel@tonic-gate break; 54217c478bd9Sstevel@tonic-gate default: 54227c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 54237c478bd9Sstevel@tonic-gate break; 54247c478bd9Sstevel@tonic-gate } 54257c478bd9Sstevel@tonic-gate done: 54267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 54277c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5428f3b585ceSsamf 5429f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5430f3b585ceSsamf NVERIFY4res *, resp); 54317c478bd9Sstevel@tonic-gate } 54327c478bd9Sstevel@tonic-gate 54337c478bd9Sstevel@tonic-gate /* 54347c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 54357c478bd9Sstevel@tonic-gate */ 54367c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 54377c478bd9Sstevel@tonic-gate 54387c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54397c478bd9Sstevel@tonic-gate static void 54407c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 54417c478bd9Sstevel@tonic-gate struct compound_state *cs) 54427c478bd9Sstevel@tonic-gate { 5443f3b585ceSsamf WRITE4args *args = &argop->nfs_argop4_u.opwrite; 54447c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 54457c478bd9Sstevel@tonic-gate int error; 54467c478bd9Sstevel@tonic-gate vnode_t *vp; 54477c478bd9Sstevel@tonic-gate struct vattr bva; 54487c478bd9Sstevel@tonic-gate u_offset_t rlimit; 54497c478bd9Sstevel@tonic-gate struct uio uio; 54507c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 54517c478bd9Sstevel@tonic-gate struct iovec *iovp; 54527c478bd9Sstevel@tonic-gate int iovcnt; 54537c478bd9Sstevel@tonic-gate int ioflag; 54547c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 54557c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 54567c478bd9Sstevel@tonic-gate nfsstat4 stat; 54577c478bd9Sstevel@tonic-gate int in_crit = 0; 5458da6c28aaSamw caller_context_t ct; 54597c478bd9Sstevel@tonic-gate 5460f3b585ceSsamf DTRACE_NFSV4_2(op__write__start, struct compound_state *, cs, 5461f3b585ceSsamf WRITE4args *, args); 5462f3b585ceSsamf 54637c478bd9Sstevel@tonic-gate vp = cs->vp; 54647c478bd9Sstevel@tonic-gate if (vp == NULL) { 54657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5466f3b585ceSsamf goto out; 54677c478bd9Sstevel@tonic-gate } 54687c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 54697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5470f3b585ceSsamf goto out; 54717c478bd9Sstevel@tonic-gate } 54727c478bd9Sstevel@tonic-gate 54737c478bd9Sstevel@tonic-gate cr = cs->cr; 54747c478bd9Sstevel@tonic-gate 5475da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5476da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5477da6c28aaSamw *cs->statusp = resp->status = stat; 5478da6c28aaSamw goto out; 5479da6c28aaSamw } 5480da6c28aaSamw 54817c478bd9Sstevel@tonic-gate /* 54827c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 54837c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 54847c478bd9Sstevel@tonic-gate */ 54857c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 54867c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 54877c478bd9Sstevel@tonic-gate in_crit = 1; 54887c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5489da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 54907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 54917c478bd9Sstevel@tonic-gate goto out; 54927c478bd9Sstevel@tonic-gate } 54937c478bd9Sstevel@tonic-gate } 54947c478bd9Sstevel@tonic-gate 54957c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5496da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 54977c478bd9Sstevel@tonic-gate 54987c478bd9Sstevel@tonic-gate /* 54997c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 55007c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 55017c478bd9Sstevel@tonic-gate */ 55027c478bd9Sstevel@tonic-gate if (error) { 55037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 55047c478bd9Sstevel@tonic-gate goto out; 55057c478bd9Sstevel@tonic-gate } 55067c478bd9Sstevel@tonic-gate 55077c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 55087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 55097c478bd9Sstevel@tonic-gate goto out; 55107c478bd9Sstevel@tonic-gate } 55117c478bd9Sstevel@tonic-gate 55127c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 55137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 55141b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 55157c478bd9Sstevel@tonic-gate goto out; 55167c478bd9Sstevel@tonic-gate } 55177c478bd9Sstevel@tonic-gate 55187c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5519da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 55207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 55217c478bd9Sstevel@tonic-gate goto out; 55227c478bd9Sstevel@tonic-gate } 55237c478bd9Sstevel@tonic-gate 55247c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 55257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 55267c478bd9Sstevel@tonic-gate goto out; 55277c478bd9Sstevel@tonic-gate } 55287c478bd9Sstevel@tonic-gate 55297c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 55307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 55317c478bd9Sstevel@tonic-gate resp->count = 0; 55327c478bd9Sstevel@tonic-gate resp->committed = args->stable; 55337c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 55347c478bd9Sstevel@tonic-gate goto out; 55357c478bd9Sstevel@tonic-gate } 55367c478bd9Sstevel@tonic-gate 55377c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 55387c478bd9Sstevel@tonic-gate mblk_t *m; 55397c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 55407c478bd9Sstevel@tonic-gate 55417c478bd9Sstevel@tonic-gate iovcnt = 0; 55427c478bd9Sstevel@tonic-gate bytes = 0; 55437c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 55447c478bd9Sstevel@tonic-gate for (m = args->mblk; 55457c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 55467c478bd9Sstevel@tonic-gate m = m->b_cont) { 55477c478bd9Sstevel@tonic-gate iovcnt++; 55487c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 55497c478bd9Sstevel@tonic-gate } 55507c478bd9Sstevel@tonic-gate #ifdef DEBUG 55517c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 55527c478bd9Sstevel@tonic-gate if (bytes != round_len) { 55537c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 55547c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 55557c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 55567c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 55577c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 55587c478bd9Sstevel@tonic-gate } 55597c478bd9Sstevel@tonic-gate #endif 55607c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 55617c478bd9Sstevel@tonic-gate iovp = iov; 55627c478bd9Sstevel@tonic-gate } else { 55637c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 55647c478bd9Sstevel@tonic-gate } 55657c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 55660a701b1eSRobert Gordon } else if (args->rlist != NULL) { 55670a701b1eSRobert Gordon iovcnt = 1; 55680a701b1eSRobert Gordon iovp = iov; 55690a701b1eSRobert Gordon iovp->iov_base = (char *)((args->rlist)->u.c_daddr3); 55700a701b1eSRobert Gordon iovp->iov_len = args->data_len; 55717c478bd9Sstevel@tonic-gate } else { 55727c478bd9Sstevel@tonic-gate iovcnt = 1; 55737c478bd9Sstevel@tonic-gate iovp = iov; 55747c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 55757c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 55767c478bd9Sstevel@tonic-gate } 55777c478bd9Sstevel@tonic-gate 55787c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 55797c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 55807c478bd9Sstevel@tonic-gate 55817c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 55827c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 55837c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 55847c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 55857c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 55867c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 55877c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 55887c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 55897c478bd9Sstevel@tonic-gate 55907c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 55917c478bd9Sstevel@tonic-gate ioflag = 0; 55927c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 55937c478bd9Sstevel@tonic-gate ioflag = FSYNC; 55947c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 55957c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 55967c478bd9Sstevel@tonic-gate else { 55977c478bd9Sstevel@tonic-gate if (iovp != iov) 55987c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 55997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 56007c478bd9Sstevel@tonic-gate goto out; 56017c478bd9Sstevel@tonic-gate } 56027c478bd9Sstevel@tonic-gate 56037c478bd9Sstevel@tonic-gate /* 56047c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 56057c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 56067c478bd9Sstevel@tonic-gate * checking is enabled. 56077c478bd9Sstevel@tonic-gate */ 56087c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 56097c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5610da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 56117c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 56127c478bd9Sstevel@tonic-gate 56137c478bd9Sstevel@tonic-gate if (iovp != iov) 56147c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 56157c478bd9Sstevel@tonic-gate 56167c478bd9Sstevel@tonic-gate if (error) { 56177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56187c478bd9Sstevel@tonic-gate goto out; 56197c478bd9Sstevel@tonic-gate } 56207c478bd9Sstevel@tonic-gate 56217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 56227c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 56237c478bd9Sstevel@tonic-gate 56247c478bd9Sstevel@tonic-gate if (ioflag == 0) 56257c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 56267c478bd9Sstevel@tonic-gate else 56277c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 56287c478bd9Sstevel@tonic-gate 56297c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 56307c478bd9Sstevel@tonic-gate 56317c478bd9Sstevel@tonic-gate out: 56327c478bd9Sstevel@tonic-gate if (in_crit) 56337c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 5634f3b585ceSsamf 5635f3b585ceSsamf DTRACE_NFSV4_2(op__write__done, struct compound_state *, cs, 5636f3b585ceSsamf WRITE4res *, resp); 56377c478bd9Sstevel@tonic-gate } 56387c478bd9Sstevel@tonic-gate 56397c478bd9Sstevel@tonic-gate 56407c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 56417c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 56427c478bd9Sstevel@tonic-gate 56437c478bd9Sstevel@tonic-gate void 56447c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 56452e9d26a4Srmesta struct svc_req *req, cred_t *cr, int *rv) 56467c478bd9Sstevel@tonic-gate { 56477c478bd9Sstevel@tonic-gate uint_t i; 56487c478bd9Sstevel@tonic-gate struct compound_state cs; 56497c478bd9Sstevel@tonic-gate 56502e9d26a4Srmesta if (rv != NULL) 56512e9d26a4Srmesta *rv = 0; 56527c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 56537c478bd9Sstevel@tonic-gate /* 56547c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 56557c478bd9Sstevel@tonic-gate */ 56567c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 56571b300de9Sjwahlig kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 56587c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 56597c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 56601b300de9Sjwahlig resp->tag.utf8string_len); 56617c478bd9Sstevel@tonic-gate 56627c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 5663f3b585ceSsamf cs.req = req; 56647c478bd9Sstevel@tonic-gate 56657c478bd9Sstevel@tonic-gate /* 56667c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 56677c478bd9Sstevel@tonic-gate */ 56687c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 5669f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5670f3b585ceSsamf &cs, COMPOUND4args *, args); 56717c478bd9Sstevel@tonic-gate resp->array_len = 0; 56727c478bd9Sstevel@tonic-gate resp->array = NULL; 56737c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 5674f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5675f3b585ceSsamf &cs, COMPOUND4res *, resp); 56767c478bd9Sstevel@tonic-gate return; 56777c478bd9Sstevel@tonic-gate } 56787c478bd9Sstevel@tonic-gate 56797c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 56807c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 56817c478bd9Sstevel@tonic-gate 56827c478bd9Sstevel@tonic-gate cr = crget(); 56837c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 56847c478bd9Sstevel@tonic-gate 56857c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 5686f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5687f3b585ceSsamf &cs, COMPOUND4args *, args); 56887c478bd9Sstevel@tonic-gate crfree(cr); 5689f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5690f3b585ceSsamf &cs, COMPOUND4res *, resp); 56912e9d26a4Srmesta svcerr_badcred(req->rq_xprt); 56922e9d26a4Srmesta if (rv != NULL) 56932e9d26a4Srmesta *rv = 1; 56947c478bd9Sstevel@tonic-gate return; 56957c478bd9Sstevel@tonic-gate } 56962e9d26a4Srmesta resp->array_len = args->array_len; 56972e9d26a4Srmesta resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 56982e9d26a4Srmesta KM_SLEEP); 56997c478bd9Sstevel@tonic-gate 57007c478bd9Sstevel@tonic-gate cs.basecr = cr; 57017c478bd9Sstevel@tonic-gate 5702f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, &cs, 5703f3b585ceSsamf COMPOUND4args *, args); 57047c478bd9Sstevel@tonic-gate 57057c478bd9Sstevel@tonic-gate /* 57067c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 57077c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 57087c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 57097c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 57107c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 57117c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 57127c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 57137c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 57147c478bd9Sstevel@tonic-gate */ 57157c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 57167c478bd9Sstevel@tonic-gate 57177c478bd9Sstevel@tonic-gate /* 57187c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 57197c478bd9Sstevel@tonic-gate * new instances' grace periods. 57207c478bd9Sstevel@tonic-gate */ 57217c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 57227c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 57237c478bd9Sstevel@tonic-gate /* 57247c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 57257c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 57267c478bd9Sstevel@tonic-gate * is finished. 57277c478bd9Sstevel@tonic-gate */ 57287c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 57297c478bd9Sstevel@tonic-gate } 57307c478bd9Sstevel@tonic-gate 57317c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 57327c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 57337c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 57347c478bd9Sstevel@tonic-gate uint_t op; 57357c478bd9Sstevel@tonic-gate 57367c478bd9Sstevel@tonic-gate argop = &args->array[i]; 57377c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 57387c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 57397c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 57407c478bd9Sstevel@tonic-gate 57417c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 57427c478bd9Sstevel@tonic-gate /* 57437c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 57447c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 57457c478bd9Sstevel@tonic-gate */ 57467c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 57477c478bd9Sstevel@tonic-gate 57487c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 57491b300de9Sjwahlig (CE_NOTE, "Executing %s", rfs4_op_string[op])); 57507c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 57511b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 57521b300de9Sjwahlig rfs4_op_string[op], *cs.statusp)); 57537c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 57547c478bd9Sstevel@tonic-gate cs.cont = FALSE; 57557c478bd9Sstevel@tonic-gate } else { 57567c478bd9Sstevel@tonic-gate /* 57577c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 57587c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 57597c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 57607c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 57617c478bd9Sstevel@tonic-gate */ 57627c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 57637c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 57647c478bd9Sstevel@tonic-gate 57657c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 57667c478bd9Sstevel@tonic-gate cs.cont = FALSE; 57677c478bd9Sstevel@tonic-gate } 57687c478bd9Sstevel@tonic-gate 57697c478bd9Sstevel@tonic-gate /* 57707c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 57717c478bd9Sstevel@tonic-gate * compact the results array. 57727c478bd9Sstevel@tonic-gate */ 57737c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 57747c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 57751b300de9Sjwahlig (i+1) * sizeof (nfs_resop4), KM_SLEEP); 57767c478bd9Sstevel@tonic-gate bcopy(resp->array, 57771b300de9Sjwahlig new_res, (i+1) * sizeof (nfs_resop4)); 57787c478bd9Sstevel@tonic-gate kmem_free(resp->array, 57791b300de9Sjwahlig args->array_len * sizeof (nfs_resop4)); 57807c478bd9Sstevel@tonic-gate 57817c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 57827c478bd9Sstevel@tonic-gate resp->array = new_res; 57837c478bd9Sstevel@tonic-gate } 57847c478bd9Sstevel@tonic-gate } 57857c478bd9Sstevel@tonic-gate 57867c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 57877c478bd9Sstevel@tonic-gate 5788f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, &cs, 5789f3b585ceSsamf COMPOUND4res *, resp); 5790f3b585ceSsamf 57917c478bd9Sstevel@tonic-gate if (cs.vp) 57927c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 57937c478bd9Sstevel@tonic-gate if (cs.saved_vp) 57947c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 57957c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 57967c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 57977c478bd9Sstevel@tonic-gate 57987c478bd9Sstevel@tonic-gate if (cs.basecr) 57997c478bd9Sstevel@tonic-gate crfree(cs.basecr); 58007c478bd9Sstevel@tonic-gate if (cs.cr) 58017c478bd9Sstevel@tonic-gate crfree(cs.cr); 580245916cd2Sjpk /* 580345916cd2Sjpk * done with this compound request, free the label 580445916cd2Sjpk */ 580545916cd2Sjpk 580645916cd2Sjpk if (req->rq_label != NULL) { 580745916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 580845916cd2Sjpk req->rq_label = NULL; 580945916cd2Sjpk } 58107c478bd9Sstevel@tonic-gate } 58117c478bd9Sstevel@tonic-gate 58127c478bd9Sstevel@tonic-gate /* 58137c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 58147c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 58157c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 58167c478bd9Sstevel@tonic-gate */ 58177c478bd9Sstevel@tonic-gate void 58187c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 58197c478bd9Sstevel@tonic-gate { 58207c478bd9Sstevel@tonic-gate uint_t i; 58217c478bd9Sstevel@tonic-gate 58227c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 58237c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 58247c478bd9Sstevel@tonic-gate } 58257c478bd9Sstevel@tonic-gate 58267c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 58277c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 58287c478bd9Sstevel@tonic-gate uint_t op; 58297c478bd9Sstevel@tonic-gate 58307c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 58317c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 58327c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 58337c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 58347c478bd9Sstevel@tonic-gate } 58357c478bd9Sstevel@tonic-gate } 58367c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 58377c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 58387c478bd9Sstevel@tonic-gate } 58397c478bd9Sstevel@tonic-gate } 58407c478bd9Sstevel@tonic-gate 58417c478bd9Sstevel@tonic-gate /* 58427c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 58437c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 58447c478bd9Sstevel@tonic-gate */ 58457c478bd9Sstevel@tonic-gate void 58467c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 58477c478bd9Sstevel@tonic-gate { 58487c478bd9Sstevel@tonic-gate int i; 58497c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 58507c478bd9Sstevel@tonic-gate 58517c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 58527c478bd9Sstevel@tonic-gate uint_t op; 58537c478bd9Sstevel@tonic-gate 58547c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 58557c478bd9Sstevel@tonic-gate 58567c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 58577c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 58587c478bd9Sstevel@tonic-gate else 58597c478bd9Sstevel@tonic-gate flag = 0; 58607c478bd9Sstevel@tonic-gate } 58617c478bd9Sstevel@tonic-gate *flagp = flag; 58627c478bd9Sstevel@tonic-gate } 58637c478bd9Sstevel@tonic-gate 58647c478bd9Sstevel@tonic-gate nfsstat4 58657c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 58667c478bd9Sstevel@tonic-gate { 58677c478bd9Sstevel@tonic-gate nfsstat4 e; 58687c478bd9Sstevel@tonic-gate 58697c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp->dbe); 58707c478bd9Sstevel@tonic-gate 58717c478bd9Sstevel@tonic-gate if (cp->sysidt != LM_NOSYSID) { 58727c478bd9Sstevel@tonic-gate *sp = cp->sysidt; 58737c478bd9Sstevel@tonic-gate e = NFS4_OK; 58747c478bd9Sstevel@tonic-gate 58757c478bd9Sstevel@tonic-gate } else if ((cp->sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 58767c478bd9Sstevel@tonic-gate *sp = cp->sysidt; 58777c478bd9Sstevel@tonic-gate e = NFS4_OK; 58787c478bd9Sstevel@tonic-gate 58797c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 58801b300de9Sjwahlig "rfs4_client_sysid: allocated 0x%x\n", *sp)); 58817c478bd9Sstevel@tonic-gate } else 58827c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 58837c478bd9Sstevel@tonic-gate 58847c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp->dbe); 58857c478bd9Sstevel@tonic-gate return (e); 58867c478bd9Sstevel@tonic-gate } 58877c478bd9Sstevel@tonic-gate 58887c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 58897c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 58907c478bd9Sstevel@tonic-gate { 58917c478bd9Sstevel@tonic-gate char *op, *type; 58927c478bd9Sstevel@tonic-gate 58937c478bd9Sstevel@tonic-gate switch (operation) { 58947c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 58957c478bd9Sstevel@tonic-gate break; 58967c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 58977c478bd9Sstevel@tonic-gate break; 5898da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 5899da6c28aaSamw break; 59007c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 59017c478bd9Sstevel@tonic-gate break; 59027c478bd9Sstevel@tonic-gate } 59037c478bd9Sstevel@tonic-gate switch (flk->l_type) { 59047c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 59057c478bd9Sstevel@tonic-gate break; 59067c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 59077c478bd9Sstevel@tonic-gate break; 59087c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 59097c478bd9Sstevel@tonic-gate break; 59107c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 59117c478bd9Sstevel@tonic-gate break; 59127c478bd9Sstevel@tonic-gate } 59137c478bd9Sstevel@tonic-gate 59147c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 59157c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 59161b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 59171b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 59187c478bd9Sstevel@tonic-gate } 59197c478bd9Sstevel@tonic-gate 59207c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 59217c478bd9Sstevel@tonic-gate #else 59227c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 59237c478bd9Sstevel@tonic-gate #endif 59247c478bd9Sstevel@tonic-gate 59257c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 59267c478bd9Sstevel@tonic-gate static bool_t 59277c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 59287c478bd9Sstevel@tonic-gate { 59297c478bd9Sstevel@tonic-gate return (TRUE); 59307c478bd9Sstevel@tonic-gate } 59317c478bd9Sstevel@tonic-gate 59327c478bd9Sstevel@tonic-gate /* 59337c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 59347c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 59357c478bd9Sstevel@tonic-gate */ 59367c478bd9Sstevel@tonic-gate 59377c478bd9Sstevel@tonic-gate static nfsstat4 59387c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 59397c478bd9Sstevel@tonic-gate struct compound_state *cs) 59407c478bd9Sstevel@tonic-gate { 59417c478bd9Sstevel@tonic-gate char *nm; 59427c478bd9Sstevel@tonic-gate uint32_t len; 59437c478bd9Sstevel@tonic-gate nfsstat4 status; 59447c478bd9Sstevel@tonic-gate 59457c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 59467c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 59477c478bd9Sstevel@tonic-gate } 59487c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 59497c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 59507c478bd9Sstevel@tonic-gate } 59517c478bd9Sstevel@tonic-gate 59527c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 59537c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59547c478bd9Sstevel@tonic-gate 59557c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 59567c478bd9Sstevel@tonic-gate if (nm == NULL) { 59577c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59587c478bd9Sstevel@tonic-gate } 59597c478bd9Sstevel@tonic-gate 59607c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 59617c478bd9Sstevel@tonic-gate kmem_free(nm, len); 59627c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 59637c478bd9Sstevel@tonic-gate } 59647c478bd9Sstevel@tonic-gate 59657c478bd9Sstevel@tonic-gate status = do_rfs4_op_lookup(nm, len, req, cs); 59667c478bd9Sstevel@tonic-gate 59677c478bd9Sstevel@tonic-gate kmem_free(nm, len); 59687c478bd9Sstevel@tonic-gate 59697c478bd9Sstevel@tonic-gate return (status); 59707c478bd9Sstevel@tonic-gate } 59717c478bd9Sstevel@tonic-gate 59727c478bd9Sstevel@tonic-gate static nfsstat4 59737c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 59747c478bd9Sstevel@tonic-gate struct compound_state *cs, uint32_t access, 59757c478bd9Sstevel@tonic-gate change_info4 *cinfo) 59767c478bd9Sstevel@tonic-gate { 59777c478bd9Sstevel@tonic-gate nfsstat4 status; 59787c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 59797c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 59807c478bd9Sstevel@tonic-gate int error; 59817c478bd9Sstevel@tonic-gate 59827c478bd9Sstevel@tonic-gate /* Get "before" change value */ 59837c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 5984da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 59857c478bd9Sstevel@tonic-gate if (error) 59867c478bd9Sstevel@tonic-gate return (puterrno4(error)); 59877c478bd9Sstevel@tonic-gate 59887c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 59897c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 59907c478bd9Sstevel@tonic-gate 59917c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 59927c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 59937c478bd9Sstevel@tonic-gate VN_RELE(dvp); 59947c478bd9Sstevel@tonic-gate return (status); 59957c478bd9Sstevel@tonic-gate } 59967c478bd9Sstevel@tonic-gate 59977c478bd9Sstevel@tonic-gate /* 59987c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 59997c478bd9Sstevel@tonic-gate * before value. 60007c478bd9Sstevel@tonic-gate */ 60017c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6002da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 60037c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 60047c478bd9Sstevel@tonic-gate ava.va_seq = 0; 60057c478bd9Sstevel@tonic-gate } 60067c478bd9Sstevel@tonic-gate VN_RELE(dvp); 60077c478bd9Sstevel@tonic-gate 60087c478bd9Sstevel@tonic-gate /* 60097c478bd9Sstevel@tonic-gate * Validate the file is a file 60107c478bd9Sstevel@tonic-gate */ 60117c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 6012da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 60137c478bd9Sstevel@tonic-gate if (error) 60147c478bd9Sstevel@tonic-gate return (puterrno4(error)); 60157c478bd9Sstevel@tonic-gate 60167c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 60177c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 60187c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 60197c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 60207c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 60217c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60227c478bd9Sstevel@tonic-gate } 60237c478bd9Sstevel@tonic-gate 60247c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 60257c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 60267c478bd9Sstevel@tonic-gate 60277c478bd9Sstevel@tonic-gate /* 60287c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 60297c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 60307c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 60317c478bd9Sstevel@tonic-gate */ 60327c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 60337c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 60347c478bd9Sstevel@tonic-gate else 60357c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 60367c478bd9Sstevel@tonic-gate 60377c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 60387c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 60397c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 60407c478bd9Sstevel@tonic-gate } 60417c478bd9Sstevel@tonic-gate 60427c478bd9Sstevel@tonic-gate static nfsstat4 60437c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 60447c478bd9Sstevel@tonic-gate timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 60457c478bd9Sstevel@tonic-gate { 60467c478bd9Sstevel@tonic-gate int error; 60477c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 60487c478bd9Sstevel@tonic-gate vattr_t va; 60497c478bd9Sstevel@tonic-gate 60507c478bd9Sstevel@tonic-gate tryagain: 60517c478bd9Sstevel@tonic-gate 60527c478bd9Sstevel@tonic-gate /* 60537c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 60547c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 60557c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 60567c478bd9Sstevel@tonic-gate * passed as part of the arguments. 60577c478bd9Sstevel@tonic-gate */ 60587c478bd9Sstevel@tonic-gate 60597c478bd9Sstevel@tonic-gate *created = TRUE; 6060da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 60617c478bd9Sstevel@tonic-gate 60627c478bd9Sstevel@tonic-gate if (error) { 60637c478bd9Sstevel@tonic-gate *created = FALSE; 60647c478bd9Sstevel@tonic-gate 60657c478bd9Sstevel@tonic-gate /* 60667c478bd9Sstevel@tonic-gate * If we got something other than file already exists 60677c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 60687c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 60697c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 60707c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 60717c478bd9Sstevel@tonic-gate * exclusive create request. 60727c478bd9Sstevel@tonic-gate * 60737c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 60747c478bd9Sstevel@tonic-gate * request will never return EEXIST. 60757c478bd9Sstevel@tonic-gate */ 60767c478bd9Sstevel@tonic-gate 60777c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 60787c478bd9Sstevel@tonic-gate status = puterrno4(error); 60797c478bd9Sstevel@tonic-gate return (status); 60807c478bd9Sstevel@tonic-gate } 6081da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 6082da6c28aaSamw NULL, NULL, NULL); 60837c478bd9Sstevel@tonic-gate 60847c478bd9Sstevel@tonic-gate if (error) { 60857c478bd9Sstevel@tonic-gate /* 60867c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 60877c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 60887c478bd9Sstevel@tonic-gate * it again. 60897c478bd9Sstevel@tonic-gate */ 60907c478bd9Sstevel@tonic-gate if (error == ENOENT) 60917c478bd9Sstevel@tonic-gate goto tryagain; 60927c478bd9Sstevel@tonic-gate 60937c478bd9Sstevel@tonic-gate status = puterrno4(error); 60947c478bd9Sstevel@tonic-gate return (status); 60957c478bd9Sstevel@tonic-gate } 60967c478bd9Sstevel@tonic-gate 60977c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 60987c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 60997c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 61007c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 61017c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 61027c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 61037c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 61047c478bd9Sstevel@tonic-gate else 61057c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 61067c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61077c478bd9Sstevel@tonic-gate return (status); 61087c478bd9Sstevel@tonic-gate } 61097c478bd9Sstevel@tonic-gate 61107c478bd9Sstevel@tonic-gate return (NFS4_OK); 61117c478bd9Sstevel@tonic-gate } 61127c478bd9Sstevel@tonic-gate 61137c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 61147c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 61157c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 6116da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 61177c478bd9Sstevel@tonic-gate if (!error) { 61187c478bd9Sstevel@tonic-gate /* We found the file */ 61197c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 61207c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 61217c478bd9Sstevel@tonic-gate /* but its not our creation */ 61227c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61237c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 61247c478bd9Sstevel@tonic-gate } 61257c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 61267c478bd9Sstevel@tonic-gate return (NFS4_OK); 61277c478bd9Sstevel@tonic-gate } 61287c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61297c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 61307c478bd9Sstevel@tonic-gate } 61317c478bd9Sstevel@tonic-gate 61327c478bd9Sstevel@tonic-gate return (NFS4_OK); 61337c478bd9Sstevel@tonic-gate } 61347c478bd9Sstevel@tonic-gate 61357c478bd9Sstevel@tonic-gate static nfsstat4 61367c478bd9Sstevel@tonic-gate check_open_access(uint32_t access, 61377c478bd9Sstevel@tonic-gate struct compound_state *cs, struct svc_req *req) 61387c478bd9Sstevel@tonic-gate { 61397c478bd9Sstevel@tonic-gate int error; 61407c478bd9Sstevel@tonic-gate vnode_t *vp; 61417c478bd9Sstevel@tonic-gate bool_t readonly; 61427c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 61437c478bd9Sstevel@tonic-gate 61447c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 61457c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 61467c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 61477c478bd9Sstevel@tonic-gate } 61487c478bd9Sstevel@tonic-gate 61497c478bd9Sstevel@tonic-gate vp = cs->vp; 61507c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 61517c478bd9Sstevel@tonic-gate 61527c478bd9Sstevel@tonic-gate /* 61537c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 61547c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 61557c478bd9Sstevel@tonic-gate */ 61567c478bd9Sstevel@tonic-gate 61577c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 61587c478bd9Sstevel@tonic-gate 61597c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 61607c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 61617c478bd9Sstevel@tonic-gate 61627c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 6163da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 6164da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 61657c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 61667c478bd9Sstevel@tonic-gate } 61677c478bd9Sstevel@tonic-gate } 61687c478bd9Sstevel@tonic-gate 61697c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 6170da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 61717c478bd9Sstevel@tonic-gate if (error) 61727c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 61737c478bd9Sstevel@tonic-gate } 61747c478bd9Sstevel@tonic-gate 61757c478bd9Sstevel@tonic-gate return (NFS4_OK); 61767c478bd9Sstevel@tonic-gate } 61777c478bd9Sstevel@tonic-gate 61787c478bd9Sstevel@tonic-gate static nfsstat4 61797c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 61807c478bd9Sstevel@tonic-gate change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 61817c478bd9Sstevel@tonic-gate { 61827c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 61837c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 61847c478bd9Sstevel@tonic-gate 61857c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 61867c478bd9Sstevel@tonic-gate struct statvfs64 sb; 61877c478bd9Sstevel@tonic-gate nfsstat4 status; 61887c478bd9Sstevel@tonic-gate vnode_t *vp; 61897c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 61907c478bd9Sstevel@tonic-gate vnode_t *dvp; 61917c478bd9Sstevel@tonic-gate timespec32_t *mtime; 61927c478bd9Sstevel@tonic-gate char *nm = NULL; 61937c478bd9Sstevel@tonic-gate uint_t buflen; 61947c478bd9Sstevel@tonic-gate bool_t created; 61957c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 61967c478bd9Sstevel@tonic-gate len_t reqsize; 61977c478bd9Sstevel@tonic-gate int error; 61987c478bd9Sstevel@tonic-gate bool_t trunc; 61997c478bd9Sstevel@tonic-gate caller_context_t ct; 62007c478bd9Sstevel@tonic-gate component4 *component; 620145916cd2Sjpk bslabel_t *clabel; 6202b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 6203b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 62047c478bd9Sstevel@tonic-gate 62057c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 62067c478bd9Sstevel@tonic-gate 62077c478bd9Sstevel@tonic-gate dvp = cs->vp; 62087c478bd9Sstevel@tonic-gate 62097c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 62107c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 62117c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 62127c478bd9Sstevel@tonic-gate 621345916cd2Sjpk /* check the label of including directory */ 621445916cd2Sjpk if (is_system_labeled()) { 621545916cd2Sjpk ASSERT(req->rq_label != NULL); 621645916cd2Sjpk clabel = req->rq_label; 621745916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 621845916cd2Sjpk "got client label from request(1)", 621945916cd2Sjpk struct svc_req *, req); 622045916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 622103986916Sjarrett if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK)) { 622245916cd2Sjpk return (NFS4ERR_ACCESS); 622345916cd2Sjpk } 622445916cd2Sjpk } 622545916cd2Sjpk } 622645916cd2Sjpk 62277c478bd9Sstevel@tonic-gate /* 62287c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 62297c478bd9Sstevel@tonic-gate * the including directory on success. 62307c478bd9Sstevel@tonic-gate */ 62317c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 62327c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 62337c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 62347c478bd9Sstevel@tonic-gate 62357c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 62367c478bd9Sstevel@tonic-gate 62377c478bd9Sstevel@tonic-gate if (nm == NULL) 62387c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 62397c478bd9Sstevel@tonic-gate 62407c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 62417c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62427c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 62437c478bd9Sstevel@tonic-gate } 62447c478bd9Sstevel@tonic-gate 62457c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 6246da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 62477c478bd9Sstevel@tonic-gate if (error) { 62487c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62497c478bd9Sstevel@tonic-gate return (puterrno4(error)); 62507c478bd9Sstevel@tonic-gate } 62517c478bd9Sstevel@tonic-gate 62527c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 62537c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62547c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 62557c478bd9Sstevel@tonic-gate } 62567c478bd9Sstevel@tonic-gate 62577c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 62587c478bd9Sstevel@tonic-gate 62597c478bd9Sstevel@tonic-gate switch (args->mode) { 62607c478bd9Sstevel@tonic-gate case GUARDED4: 62617c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 62627c478bd9Sstevel@tonic-gate case UNCHECKED4: 62637c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 62647c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 62657c478bd9Sstevel@tonic-gate 62667c478bd9Sstevel@tonic-gate *attrset = 0; 62677c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 62681b300de9Sjwahlig &args->createhow4_u.createattrs, 62691b300de9Sjwahlig cs, &sarg, &ntov, NFS4ATTR_SETIT); 62707c478bd9Sstevel@tonic-gate 62717c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 62727c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 62737c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 62747c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 62757c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 62767c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 62777c478bd9Sstevel@tonic-gate else 62787c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 62797c478bd9Sstevel@tonic-gate } 62807c478bd9Sstevel@tonic-gate 62817c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 62827c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62837c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 62847c478bd9Sstevel@tonic-gate *attrset = 0; 62857c478bd9Sstevel@tonic-gate return (status); 62867c478bd9Sstevel@tonic-gate } 62877c478bd9Sstevel@tonic-gate 62887c478bd9Sstevel@tonic-gate vap = sarg.vap; 62897c478bd9Sstevel@tonic-gate vap->va_type = VREG; 62907c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 62917c478bd9Sstevel@tonic-gate 62927c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 62937c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 62947c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 62957c478bd9Sstevel@tonic-gate } 62967c478bd9Sstevel@tonic-gate 62977c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 62987c478bd9Sstevel@tonic-gate 62997c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 63007c478bd9Sstevel@tonic-gate 63017c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 63027c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63037c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 63047c478bd9Sstevel@tonic-gate *attrset = 0; 63057c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63067c478bd9Sstevel@tonic-gate } 63077c478bd9Sstevel@tonic-gate setsize = TRUE; 63087c478bd9Sstevel@tonic-gate } 63097c478bd9Sstevel@tonic-gate break; 63107c478bd9Sstevel@tonic-gate 63117c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 63127c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 63137c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 63147c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63157c478bd9Sstevel@tonic-gate *attrset = 0; 63167c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63177c478bd9Sstevel@tonic-gate } 63187c478bd9Sstevel@tonic-gate 63197c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 63207c478bd9Sstevel@tonic-gate cva.va_type = VREG; 63217c478bd9Sstevel@tonic-gate /* 63227c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 63237c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 63247c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 63257c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 63267c478bd9Sstevel@tonic-gate */ 63277c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 63287c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 63297c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 63307c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 63317c478bd9Sstevel@tonic-gate vap = &cva; 63327c478bd9Sstevel@tonic-gate break; 63337c478bd9Sstevel@tonic-gate } 63347c478bd9Sstevel@tonic-gate 6335b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 6336b89a8333Snatalie li - Sun Microsystems - Irvine United States 6337b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6338b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6339b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 6340b89a8333Snatalie li - Sun Microsystems - Irvine United States 6341b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 6342b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, buflen); 6343b89a8333Snatalie li - Sun Microsystems - Irvine United States return (NFS4ERR_SERVERFAULT); 6344b89a8333Snatalie li - Sun Microsystems - Irvine United States } 6345b89a8333Snatalie li - Sun Microsystems - Irvine United States 6346b89a8333Snatalie li - Sun Microsystems - Irvine United States status = create_vnode(dvp, name, vap, args->mode, mtime, 63471b300de9Sjwahlig cs->cr, &vp, &created); 6348b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 6349b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 63507c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63517c478bd9Sstevel@tonic-gate 63527c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 63537c478bd9Sstevel@tonic-gate if (ntov_table_init) 63547c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 63557c478bd9Sstevel@tonic-gate *attrset = 0; 63567c478bd9Sstevel@tonic-gate return (status); 63577c478bd9Sstevel@tonic-gate } 63587c478bd9Sstevel@tonic-gate 63597c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 63607c478bd9Sstevel@tonic-gate 63617c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 63627c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 63637c478bd9Sstevel@tonic-gate 63647c478bd9Sstevel@tonic-gate /* 63657c478bd9Sstevel@tonic-gate * True verification that object was created with correct 63667c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 63677c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 63687c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 63697c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 63707c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 63717c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 63727c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 63737c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 63747c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 63757c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 63767c478bd9Sstevel@tonic-gate * 63777c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 63787c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 63797c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 63807c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 63817c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 63827c478bd9Sstevel@tonic-gate */ 63837c478bd9Sstevel@tonic-gate if (created) { 63847c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 63857c478bd9Sstevel@tonic-gate *attrset &= createmask; 63867c478bd9Sstevel@tonic-gate } else { 63877c478bd9Sstevel@tonic-gate /* 63887c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 63897c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 63907c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 63917c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 63927c478bd9Sstevel@tonic-gate */ 63937c478bd9Sstevel@tonic-gate *attrset = 0; 63947c478bd9Sstevel@tonic-gate if (trunc) 63957c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 63967c478bd9Sstevel@tonic-gate } 63977c478bd9Sstevel@tonic-gate } 63987c478bd9Sstevel@tonic-gate if (ntov_table_init) 63997c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64007c478bd9Sstevel@tonic-gate 64017c478bd9Sstevel@tonic-gate /* 64027c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 64037c478bd9Sstevel@tonic-gate * set to zero, time to before. 64047c478bd9Sstevel@tonic-gate */ 64057c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 6406da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 64077c478bd9Sstevel@tonic-gate iva.va_seq = 0; 64087c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 64097c478bd9Sstevel@tonic-gate } 64107c478bd9Sstevel@tonic-gate 64117c478bd9Sstevel@tonic-gate /* 64127c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 64137c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 64147c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 64157c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 64167c478bd9Sstevel@tonic-gate * we don't know what changed it. 64177c478bd9Sstevel@tonic-gate */ 64187c478bd9Sstevel@tonic-gate if (!created) { 64197c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 64201b300de9Sjwahlig bva.va_seq == iva.va_seq) 64217c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 64227c478bd9Sstevel@tonic-gate else 64237c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 64247c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 64257c478bd9Sstevel@tonic-gate } else { 64267c478bd9Sstevel@tonic-gate /* 64277c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 64287c478bd9Sstevel@tonic-gate * directory metadata. 64297c478bd9Sstevel@tonic-gate */ 6430da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 64317c478bd9Sstevel@tonic-gate 64327c478bd9Sstevel@tonic-gate /* 64337c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 64347c478bd9Sstevel@tonic-gate * before value. 64357c478bd9Sstevel@tonic-gate */ 64367c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6437da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 64387c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 64397c478bd9Sstevel@tonic-gate ava.va_seq = 0; 64407c478bd9Sstevel@tonic-gate } 64417c478bd9Sstevel@tonic-gate 64427c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 64437c478bd9Sstevel@tonic-gate 64447c478bd9Sstevel@tonic-gate /* 64457c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 64467c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 64477c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 64487c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 64497c478bd9Sstevel@tonic-gate */ 64507c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 64511b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 64527c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 64537c478bd9Sstevel@tonic-gate else 64547c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 64557c478bd9Sstevel@tonic-gate } 64567c478bd9Sstevel@tonic-gate 64577c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 64587c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 64597c478bd9Sstevel@tonic-gate if (setsize) 64607c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 64617c478bd9Sstevel@tonic-gate 64627c478bd9Sstevel@tonic-gate /* Assume the worst */ 64637c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 64647c478bd9Sstevel@tonic-gate 6465da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 64667c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 64677c478bd9Sstevel@tonic-gate 64687c478bd9Sstevel@tonic-gate /* 64697c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 64707c478bd9Sstevel@tonic-gate * the case for create over an existing file. 64717c478bd9Sstevel@tonic-gate */ 64727c478bd9Sstevel@tonic-gate 64737c478bd9Sstevel@tonic-gate if (trunc) { 64747c478bd9Sstevel@tonic-gate int in_crit = 0; 64757c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 64767c478bd9Sstevel@tonic-gate bool_t create = FALSE; 64777c478bd9Sstevel@tonic-gate 64787c478bd9Sstevel@tonic-gate /* 64797c478bd9Sstevel@tonic-gate * We are writing over an existing file. 64807c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 64817c478bd9Sstevel@tonic-gate */ 64827c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 64837c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 64847c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 64851b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 64867c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 64877c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 64887c478bd9Sstevel@tonic-gate VN_RELE(vp); 64897c478bd9Sstevel@tonic-gate *attrset = 0; 64907c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 64917c478bd9Sstevel@tonic-gate } 64927c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 64937c478bd9Sstevel@tonic-gate } 64947c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 64957c478bd9Sstevel@tonic-gate 64967c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 64977c478bd9Sstevel@tonic-gate in_crit = 1; 64987c478bd9Sstevel@tonic-gate 64997c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 65007c478bd9Sstevel@tonic-gate 65017c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 65027c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6503da6c28aaSamw cva.va_size, 0, NULL)) { 65047c478bd9Sstevel@tonic-gate in_crit = 0; 65057c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 65067c478bd9Sstevel@tonic-gate VN_RELE(vp); 65077c478bd9Sstevel@tonic-gate *attrset = 0; 65087c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 65097c478bd9Sstevel@tonic-gate } 65107c478bd9Sstevel@tonic-gate } 65117c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 65127c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 65137c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 651462b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 65157c478bd9Sstevel@tonic-gate 65167c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 65177c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 65187c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 65197c478bd9Sstevel@tonic-gate if (in_crit) 65207c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 65217c478bd9Sstevel@tonic-gate } 65227c478bd9Sstevel@tonic-gate } 65237c478bd9Sstevel@tonic-gate 65247c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 65257c478bd9Sstevel@tonic-gate 65267c478bd9Sstevel@tonic-gate /* 65277c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 65287c478bd9Sstevel@tonic-gate */ 6529da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 65307c478bd9Sstevel@tonic-gate 65317c478bd9Sstevel@tonic-gate if (error) { 65327c478bd9Sstevel@tonic-gate VN_RELE(vp); 65337c478bd9Sstevel@tonic-gate *attrset = 0; 65347c478bd9Sstevel@tonic-gate return (puterrno4(error)); 65357c478bd9Sstevel@tonic-gate } 65367c478bd9Sstevel@tonic-gate 65377c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 65387c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 65397c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 65407c478bd9Sstevel@tonic-gate 65417c478bd9Sstevel@tonic-gate if (cs->vp) 65427c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 65437c478bd9Sstevel@tonic-gate 65447c478bd9Sstevel@tonic-gate cs->vp = vp; 65457c478bd9Sstevel@tonic-gate 65467c478bd9Sstevel@tonic-gate /* 65477c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 65487c478bd9Sstevel@tonic-gate * the access bits on the file 65497c478bd9Sstevel@tonic-gate */ 65507c478bd9Sstevel@tonic-gate 65517c478bd9Sstevel@tonic-gate if (!created) { 65527c478bd9Sstevel@tonic-gate if (setsize) 65537c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 65547c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 65557c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 65567c478bd9Sstevel@tonic-gate *attrset = 0; 65577c478bd9Sstevel@tonic-gate } 65587c478bd9Sstevel@tonic-gate return (status); 65597c478bd9Sstevel@tonic-gate } 65607c478bd9Sstevel@tonic-gate 65617c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 65627c478bd9Sstevel@tonic-gate static void 65637c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 65647c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo, delegreq_t deleg, 65657c478bd9Sstevel@tonic-gate uint32_t access, uint32_t deny, 6566da6c28aaSamw OPEN4res *resp, int deleg_cur) 65677c478bd9Sstevel@tonic-gate { 65687c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 65697c478bd9Sstevel@tonic-gate rfs4_state_t *state; 65707c478bd9Sstevel@tonic-gate rfs4_file_t *file; 65717c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 65727c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 65737c478bd9Sstevel@tonic-gate uint32_t amodes; 65747c478bd9Sstevel@tonic-gate uint32_t dmodes; 65757c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 65767c478bd9Sstevel@tonic-gate struct shrlock shr; 65777c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 65787c478bd9Sstevel@tonic-gate sysid_t sysid; 65797c478bd9Sstevel@tonic-gate nfsstat4 status; 6580da6c28aaSamw caller_context_t ct; 65817c478bd9Sstevel@tonic-gate int fflags = 0; 65827c478bd9Sstevel@tonic-gate int recall = 0; 65837c478bd9Sstevel@tonic-gate int err; 6584da6c28aaSamw int cmd; 65857c478bd9Sstevel@tonic-gate 65867c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 65877c478bd9Sstevel@tonic-gate file = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 65887c478bd9Sstevel@tonic-gate if (file == NULL) { 65897c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65901b300de9Sjwahlig (CE_NOTE, "rfs4_do_open: can't find file")); 65917c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65927c478bd9Sstevel@tonic-gate return; 65937c478bd9Sstevel@tonic-gate } 65947c478bd9Sstevel@tonic-gate 65957c478bd9Sstevel@tonic-gate state = rfs4_findstate_by_owner_file(oo, file, &screate); 65967c478bd9Sstevel@tonic-gate if (state == NULL) { 65977c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65981b300de9Sjwahlig (CE_NOTE, "rfs4_do_open: can't find state")); 65997c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 66007c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 66017c478bd9Sstevel@tonic-gate rfs4_file_rele_withunlock(file); 66027c478bd9Sstevel@tonic-gate return; 66037c478bd9Sstevel@tonic-gate } 66047c478bd9Sstevel@tonic-gate 6605fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 66067c478bd9Sstevel@tonic-gate if ((status = rfs4_client_sysid(oo->client, &sysid)) != NFS4_OK) { 66077c478bd9Sstevel@tonic-gate resp->status = status; 66087c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 66097c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 66107c478bd9Sstevel@tonic-gate if (screate == TRUE) 66117c478bd9Sstevel@tonic-gate rfs4_state_close(state, FALSE, FALSE, cs->cr); 66127c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 66137c478bd9Sstevel@tonic-gate return; 66147c478bd9Sstevel@tonic-gate } 66157c478bd9Sstevel@tonic-gate 6616da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6617da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6618da6c28aaSamw fflags |= FREAD; 6619da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6620da6c28aaSamw fflags |= FWRITE; 6621da6c28aaSamw 6622fd93bfc3Sjwahlig /* 6623fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6624fd93bfc3Sjwahlig * the file for this open owner; 6625fd93bfc3Sjwahlig */ 6626fd93bfc3Sjwahlig dmodes = (deny & ~state->share_deny); 6627fd93bfc3Sjwahlig amodes = (access & ~state->share_access); 66287c478bd9Sstevel@tonic-gate 6629fd93bfc3Sjwahlig /* 6630fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6631fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6632fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6633fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6634fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6635fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6636fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6637fd93bfc3Sjwahlig * on shares modes. 6638fd93bfc3Sjwahlig */ 66397c478bd9Sstevel@tonic-gate 6640fd93bfc3Sjwahlig if (dmodes || amodes) { 6641fd93bfc3Sjwahlig shr.s_access = (short)access; 6642fd93bfc3Sjwahlig shr.s_deny = (short)deny; 6643fd93bfc3Sjwahlig shr.s_pid = rfs4_dbe_getid(oo->dbe); 6644fd93bfc3Sjwahlig shr.s_sysid = sysid; 6645fd93bfc3Sjwahlig shr_loco.sl_pid = shr.s_pid; 6646fd93bfc3Sjwahlig shr_loco.sl_id = shr.s_sysid; 6647fd93bfc3Sjwahlig shr.s_owner = (caddr_t)&shr_loco; 6648fd93bfc3Sjwahlig shr.s_own_len = sizeof (shr_loco); 66497c478bd9Sstevel@tonic-gate 6650da6c28aaSamw cmd = nbl_need_check(cs->vp) ? F_SHARE_NBMAND : F_SHARE; 6651da6c28aaSamw if ((err = vop_shrlock(cs->vp, cmd, &shr, fflags)) != 0) { 6652fd93bfc3Sjwahlig 6653fd93bfc3Sjwahlig resp->status = err == EAGAIN ? 66541b300de9Sjwahlig NFS4ERR_SHARE_DENIED : puterrno4(err); 6655fd93bfc3Sjwahlig 6656fd93bfc3Sjwahlig rfs4_file_rele(file); 6657fd93bfc3Sjwahlig /* Not a fully formed open; "close" it */ 6658fd93bfc3Sjwahlig if (screate == TRUE) 6659fd93bfc3Sjwahlig rfs4_state_close(state, FALSE, FALSE, cs->cr); 6660fd93bfc3Sjwahlig rfs4_state_rele(state); 6661fd93bfc3Sjwahlig return; 6662fd93bfc3Sjwahlig } 66637c478bd9Sstevel@tonic-gate } 66647c478bd9Sstevel@tonic-gate 66657c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 66667c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 66677c478bd9Sstevel@tonic-gate 66687c478bd9Sstevel@tonic-gate /* 66697c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 66707c478bd9Sstevel@tonic-gate * recall needs to be done. 66717c478bd9Sstevel@tonic-gate */ 66727c478bd9Sstevel@tonic-gate if (rfs4_check_recall(state, access)) { 66737c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 66747c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 66757c478bd9Sstevel@tonic-gate rfs4_recall_deleg(file, FALSE, state->owner->client); 66767c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 66777c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 66787c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 66797c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 66807c478bd9Sstevel@tonic-gate if (rfs4_check_recall(state, access)) { 66817c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 66827c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 66837c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 66847c478bd9Sstevel@tonic-gate rfs4_update_lease(state->owner->client); 66857c478bd9Sstevel@tonic-gate (void) vop_shrlock(cs->vp, F_UNSHARE, &shr, fflags); 66867c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 66877c478bd9Sstevel@tonic-gate if (screate == TRUE) 66887c478bd9Sstevel@tonic-gate rfs4_state_close(state, FALSE, FALSE, cs->cr); 66897c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 66907c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 66917c478bd9Sstevel@tonic-gate return; 66927c478bd9Sstevel@tonic-gate } 66937c478bd9Sstevel@tonic-gate } 6694da6c28aaSamw /* 6695da6c28aaSamw * the share check passed and any delegation conflict has been 6696da6c28aaSamw * taken care of, now call vop_open. 6697da6c28aaSamw * if this is the first open then call vop_open with fflags. 6698da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6699da6c28aaSamw * 6700da6c28aaSamw * if the file has been opened already, it will have the current 6701da6c28aaSamw * access mode in the state struct. if it has no share access, then 6702da6c28aaSamw * this is a new open. 6703da6c28aaSamw * 6704da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6705da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6706da6c28aaSamw */ 6707da6c28aaSamw if (((state->share_access & OPEN4_SHARE_ACCESS_BOTH) == 0) && 6708da6c28aaSamw !deleg_cur) { 6709da6c28aaSamw ct.cc_sysid = sysid; 6710da6c28aaSamw ct.cc_pid = shr.s_pid; 6711da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 671262b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 6713da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6714da6c28aaSamw if (err) { 6715da6c28aaSamw rfs4_dbe_unlock(file->dbe); 6716da6c28aaSamw rfs4_dbe_unlock(state->dbe); 6717da6c28aaSamw rfs4_file_rele(file); 6718da6c28aaSamw (void) vop_shrlock(cs->vp, F_UNSHARE, &shr, fflags); 6719da6c28aaSamw /* Not a fully formed open; "close" it */ 6720da6c28aaSamw if (screate == TRUE) 6721da6c28aaSamw rfs4_state_close(state, FALSE, FALSE, cs->cr); 6722da6c28aaSamw rfs4_state_rele(state); 6723335fb9e6Sjwahlig /* check if a monitor detected a delegation conflict */ 6724335fb9e6Sjwahlig if (err == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 6725335fb9e6Sjwahlig resp->status = NFS4ERR_DELAY; 6726335fb9e6Sjwahlig else 6727335fb9e6Sjwahlig resp->status = NFS4ERR_SERVERFAULT; 6728da6c28aaSamw return; 6729da6c28aaSamw } 6730da6c28aaSamw } else { /* open upgrade */ 6731da6c28aaSamw /* 6732da6c28aaSamw * calculate the fflags for the new mode that is being added 6733da6c28aaSamw * by this upgrade. 6734da6c28aaSamw */ 6735da6c28aaSamw fflags = 0; 6736da6c28aaSamw if (amodes & OPEN4_SHARE_ACCESS_READ) 6737da6c28aaSamw fflags |= FREAD; 6738da6c28aaSamw if (amodes & OPEN4_SHARE_ACCESS_WRITE) 6739da6c28aaSamw fflags |= FWRITE; 6740da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6741da6c28aaSamw } 67427c478bd9Sstevel@tonic-gate 67437c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_READ) 67447c478bd9Sstevel@tonic-gate file->deny_read++; 67457c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_WRITE) 67467c478bd9Sstevel@tonic-gate file->deny_write++; 67477c478bd9Sstevel@tonic-gate file->share_deny |= deny; 67487c478bd9Sstevel@tonic-gate state->share_deny |= deny; 67497c478bd9Sstevel@tonic-gate 67507c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_READ) 67517c478bd9Sstevel@tonic-gate file->access_read++; 67527c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_WRITE) 67537c478bd9Sstevel@tonic-gate file->access_write++; 67547c478bd9Sstevel@tonic-gate file->share_access |= access; 67557c478bd9Sstevel@tonic-gate state->share_access |= access; 67567c478bd9Sstevel@tonic-gate 67577c478bd9Sstevel@tonic-gate /* 67587c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 67597c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 67607c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 67617c478bd9Sstevel@tonic-gate * set the recall flag. 67627c478bd9Sstevel@tonic-gate */ 67637c478bd9Sstevel@tonic-gate 67647c478bd9Sstevel@tonic-gate dsp = rfs4_grant_delegation(deleg, state, &recall); 67657c478bd9Sstevel@tonic-gate 67667c478bd9Sstevel@tonic-gate cs->deleg = (file->dinfo->dtype == OPEN_DELEGATE_WRITE); 67677c478bd9Sstevel@tonic-gate 67687c478bd9Sstevel@tonic-gate next_stateid(&state->stateid); 67697c478bd9Sstevel@tonic-gate 67707c478bd9Sstevel@tonic-gate resp->stateid = state->stateid.stateid; 67717c478bd9Sstevel@tonic-gate 67727c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 67737c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 67747c478bd9Sstevel@tonic-gate 67757c478bd9Sstevel@tonic-gate if (dsp) { 67767c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 67777c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 67787c478bd9Sstevel@tonic-gate } 67797c478bd9Sstevel@tonic-gate 67807c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 67817c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 67827c478bd9Sstevel@tonic-gate 67837c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 67847c478bd9Sstevel@tonic-gate } 67857c478bd9Sstevel@tonic-gate 67867c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 67877c478bd9Sstevel@tonic-gate static void 67887c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 67897c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 67907c478bd9Sstevel@tonic-gate { 67917c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 67927c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 67937c478bd9Sstevel@tonic-gate 67947c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 67957c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 67961b300de9Sjwahlig req, cs, args->share_access, cinfo); 67977c478bd9Sstevel@tonic-gate else { 67987c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 67997c478bd9Sstevel@tonic-gate 68007c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 68017c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 68027c478bd9Sstevel@tonic-gate 68037c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 68041b300de9Sjwahlig oo->client->clientid); 68057c478bd9Sstevel@tonic-gate } 68067c478bd9Sstevel@tonic-gate 68077c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 68087c478bd9Sstevel@tonic-gate 68097c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 68107c478bd9Sstevel@tonic-gate 68117c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_ANY, args->share_access, 6812da6c28aaSamw args->share_deny, resp, 0); 68137c478bd9Sstevel@tonic-gate 68147c478bd9Sstevel@tonic-gate /* 68157c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 68167c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 68177c478bd9Sstevel@tonic-gate */ 68187c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 68197c478bd9Sstevel@tonic-gate resp->attrset = 0; 68207c478bd9Sstevel@tonic-gate } 68217c478bd9Sstevel@tonic-gate } 68227c478bd9Sstevel@tonic-gate else 68237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 68247c478bd9Sstevel@tonic-gate 68257c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 68267c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 68277c478bd9Sstevel@tonic-gate } 68287c478bd9Sstevel@tonic-gate 68297c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 68307c478bd9Sstevel@tonic-gate static void 68317c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 68327c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 68337c478bd9Sstevel@tonic-gate { 68347c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 68357c478bd9Sstevel@tonic-gate vattr_t va; 68367c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 68377c478bd9Sstevel@tonic-gate int error = 0; 68387c478bd9Sstevel@tonic-gate 68397c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 68407c478bd9Sstevel@tonic-gate if (v_type != VREG) { 68417c478bd9Sstevel@tonic-gate if (v_type == VDIR) 68427c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 68437c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 68447c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 68457c478bd9Sstevel@tonic-gate else 68467c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 68477c478bd9Sstevel@tonic-gate return; 68487c478bd9Sstevel@tonic-gate } 68497c478bd9Sstevel@tonic-gate 68507c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 6851da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 68527c478bd9Sstevel@tonic-gate if (error) { 68537c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 68547c478bd9Sstevel@tonic-gate return; 68557c478bd9Sstevel@tonic-gate } 68567c478bd9Sstevel@tonic-gate 68577c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 68587c478bd9Sstevel@tonic-gate 68597c478bd9Sstevel@tonic-gate /* 68607c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 68617c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 68627c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 68637c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 68647c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 68657c478bd9Sstevel@tonic-gate */ 68667c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 68677c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 68687c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 68697c478bd9Sstevel@tonic-gate return; 68707c478bd9Sstevel@tonic-gate } 68717c478bd9Sstevel@tonic-gate } 68727c478bd9Sstevel@tonic-gate 68737c478bd9Sstevel@tonic-gate /* 68747c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 68757c478bd9Sstevel@tonic-gate */ 68767c478bd9Sstevel@tonic-gate cinfo->before = 0; 68777c478bd9Sstevel@tonic-gate cinfo->after = 0; 68787c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 68797c478bd9Sstevel@tonic-gate 68807c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 68811b300de9Sjwahlig NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 6882da6c28aaSamw args->share_access, args->share_deny, resp, 0); 68837c478bd9Sstevel@tonic-gate } 68847c478bd9Sstevel@tonic-gate 68857c478bd9Sstevel@tonic-gate static void 68867c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 68877c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 68887c478bd9Sstevel@tonic-gate { 68897c478bd9Sstevel@tonic-gate int error; 68907c478bd9Sstevel@tonic-gate nfsstat4 status; 68917c478bd9Sstevel@tonic-gate stateid4 stateid = 68921b300de9Sjwahlig args->open_claim4_u.delegate_cur_info.delegate_stateid; 68937c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 68947c478bd9Sstevel@tonic-gate 68957c478bd9Sstevel@tonic-gate /* 68967c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 68977c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 68987c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 68997c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 69007c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 69017c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 69027c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 69037c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 69047c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 69057c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 69067c478bd9Sstevel@tonic-gate */ 69077c478bd9Sstevel@tonic-gate 69087c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 69097c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 69107c478bd9Sstevel@tonic-gate resp->status = status; 69117c478bd9Sstevel@tonic-gate return; 69127c478bd9Sstevel@tonic-gate } 69137c478bd9Sstevel@tonic-gate 69147c478bd9Sstevel@tonic-gate ASSERT(dsp->finfo->dinfo->dtype != OPEN_DELEGATE_NONE); 69157c478bd9Sstevel@tonic-gate 69167c478bd9Sstevel@tonic-gate /* 69177c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 69187c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 69197c478bd9Sstevel@tonic-gate */ 69207c478bd9Sstevel@tonic-gate 69217c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 69227c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 69237c478bd9Sstevel@tonic-gate VN_HOLD(dsp->finfo->vp); 69247c478bd9Sstevel@tonic-gate cs->vp = dsp->finfo->vp; 69257c478bd9Sstevel@tonic-gate 69267c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 69277c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 69297c478bd9Sstevel@tonic-gate return; 69307c478bd9Sstevel@tonic-gate } 69317c478bd9Sstevel@tonic-gate 69327c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 69337c478bd9Sstevel@tonic-gate dsp->finfo->dinfo->time_lastwrite = gethrestime_sec(); 69347c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69357c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 6936da6c28aaSamw args->share_access, args->share_deny, resp, 1); 69377c478bd9Sstevel@tonic-gate } 69387c478bd9Sstevel@tonic-gate 69397c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69407c478bd9Sstevel@tonic-gate static void 69417c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 69427c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69437c478bd9Sstevel@tonic-gate { 69447c478bd9Sstevel@tonic-gate /* 69457c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 69467c478bd9Sstevel@tonic-gate * was delegated. 69477c478bd9Sstevel@tonic-gate * 69487c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 69497c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 69507c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 69517c478bd9Sstevel@tonic-gate * 69527c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 69537c478bd9Sstevel@tonic-gate */ 69547c478bd9Sstevel@tonic-gate rfs4_file_t *file; 69557c478bd9Sstevel@tonic-gate rfs4_state_t *state; 69567c478bd9Sstevel@tonic-gate bool_t create = FALSE; 69577c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 69587c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 69597c478bd9Sstevel@tonic-gate nfsace4 *ace; 69607c478bd9Sstevel@tonic-gate 69617c478bd9Sstevel@tonic-gate 69627c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 69637c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 69641b300de9Sjwahlig req, cs, args->share_access, &resp->cinfo); 69657c478bd9Sstevel@tonic-gate 69667c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 69677c478bd9Sstevel@tonic-gate return; 69687c478bd9Sstevel@tonic-gate } 69697c478bd9Sstevel@tonic-gate 69707c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 69717c478bd9Sstevel@tonic-gate file = rfs4_findfile_withlock(cs->vp, NULL, &create); 69727c478bd9Sstevel@tonic-gate if (file == NULL) { 69737c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 69741b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: can't find file")); 69757c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 69767c478bd9Sstevel@tonic-gate return; 69777c478bd9Sstevel@tonic-gate } 69787c478bd9Sstevel@tonic-gate 69797c478bd9Sstevel@tonic-gate state = rfs4_findstate_by_owner_file(oo, file, &create); 69807c478bd9Sstevel@tonic-gate if (state == NULL) { 69817c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 69821b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: can't find state")); 69837c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 69847c478bd9Sstevel@tonic-gate rfs4_file_rele_withunlock(file); 69857c478bd9Sstevel@tonic-gate return; 69867c478bd9Sstevel@tonic-gate } 69877c478bd9Sstevel@tonic-gate 69887c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 69897c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 69907c478bd9Sstevel@tonic-gate if (args->share_access != state->share_access || 69911b300de9Sjwahlig args->share_deny != state->share_deny || 69921b300de9Sjwahlig state->finfo->dinfo->dtype == OPEN_DELEGATE_NONE) { 69937c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 69941b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 69957c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 69967c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 69977c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 69987c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 69997c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 70007c478bd9Sstevel@tonic-gate return; 70017c478bd9Sstevel@tonic-gate } 70027c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 70037c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 70047c478bd9Sstevel@tonic-gate 70057c478bd9Sstevel@tonic-gate dsp = rfs4_finddeleg(state, &dcreate); 70067c478bd9Sstevel@tonic-gate if (dsp == NULL) { 70077c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 70087c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 70097c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 70107c478bd9Sstevel@tonic-gate return; 70117c478bd9Sstevel@tonic-gate } 70127c478bd9Sstevel@tonic-gate 70137c478bd9Sstevel@tonic-gate next_stateid(&state->stateid); 70147c478bd9Sstevel@tonic-gate 70157c478bd9Sstevel@tonic-gate resp->stateid = state->stateid.stateid; 70167c478bd9Sstevel@tonic-gate 70177c478bd9Sstevel@tonic-gate resp->delegation.delegation_type = dsp->dtype; 70187c478bd9Sstevel@tonic-gate 70197c478bd9Sstevel@tonic-gate if (dsp->dtype == OPEN_DELEGATE_READ) { 70207c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 70211b300de9Sjwahlig &resp->delegation.open_delegation4_u.read; 70227c478bd9Sstevel@tonic-gate 70237c478bd9Sstevel@tonic-gate rv->stateid = dsp->delegid.stateid; 70247c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 70257c478bd9Sstevel@tonic-gate ace = &rv->permissions; 70267c478bd9Sstevel@tonic-gate } else { 70277c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 70281b300de9Sjwahlig &resp->delegation.open_delegation4_u.write; 70297c478bd9Sstevel@tonic-gate 70307c478bd9Sstevel@tonic-gate rv->stateid = dsp->delegid.stateid; 70317c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 70327c478bd9Sstevel@tonic-gate ace = &rv->permissions; 70337c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 70347c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 70357c478bd9Sstevel@tonic-gate } 70367c478bd9Sstevel@tonic-gate 70377c478bd9Sstevel@tonic-gate /* XXX For now */ 70387c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 70397c478bd9Sstevel@tonic-gate ace->flag = 0; 70407c478bd9Sstevel@tonic-gate ace->access_mask = 0; 70417c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 70427c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 70437c478bd9Sstevel@tonic-gate 70447c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70457c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 70467c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 70477c478bd9Sstevel@tonic-gate } 70487c478bd9Sstevel@tonic-gate 70497c478bd9Sstevel@tonic-gate typedef enum { 70507c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 70517c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 70527c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 70537c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 70547c478bd9Sstevel@tonic-gate 70557c478bd9Sstevel@tonic-gate /* 70567c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 70577c478bd9Sstevel@tonic-gate */ 70587c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 70597c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 70607c478bd9Sstevel@tonic-gate seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 70617c478bd9Sstevel@tonic-gate { 70627c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 70637c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 70647c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 70657c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 70667c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 70677c478bd9Sstevel@tonic-gate } 70687c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 70691b300de9Sjwahlig "Replayed SEQID %d\n", seqid)); 70707c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 70717c478bd9Sstevel@tonic-gate } 70727c478bd9Sstevel@tonic-gate 70737c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 70747c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 70757c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 70767c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 70771b300de9Sjwahlig (CE_NOTE, "BAD SEQID: Replayed sequence id " 70781b300de9Sjwahlig "but last op was %d current op is %d\n", 70791b300de9Sjwahlig lastop->resop, resop->resop)); 70807c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 70817c478bd9Sstevel@tonic-gate } 70827c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 70831b300de9Sjwahlig (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 70841b300de9Sjwahlig rqst_seq, seqid)); 70857c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 70867c478bd9Sstevel@tonic-gate } 70877c478bd9Sstevel@tonic-gate 70887c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 70897c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 70907c478bd9Sstevel@tonic-gate } 70917c478bd9Sstevel@tonic-gate 70927c478bd9Sstevel@tonic-gate 70937c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 70947c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 70957c478bd9Sstevel@tonic-gate { 70967c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 70977c478bd9Sstevel@tonic-gate 70987c478bd9Sstevel@tonic-gate rfs4_dbe_lock(op->dbe); 70997c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(op->open_seqid, op->reply, seqid, resop, TRUE); 71007c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(op->dbe); 71017c478bd9Sstevel@tonic-gate 71027c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 71037c478bd9Sstevel@tonic-gate rfs4_update_lease(op->client); 71047c478bd9Sstevel@tonic-gate 71057c478bd9Sstevel@tonic-gate return (rc); 71067c478bd9Sstevel@tonic-gate } 71077c478bd9Sstevel@tonic-gate 71087c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 71097c478bd9Sstevel@tonic-gate rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, 71107c478bd9Sstevel@tonic-gate nfs_resop4 *resop) 71117c478bd9Sstevel@tonic-gate { 71127c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 71137c478bd9Sstevel@tonic-gate 71147c478bd9Sstevel@tonic-gate rfs4_dbe_lock(op->dbe); 71157c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(op->open_seqid, op->reply, 71161b300de9Sjwahlig olo_seqid, resop, FALSE); 71177c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(op->dbe); 71187c478bd9Sstevel@tonic-gate 71197c478bd9Sstevel@tonic-gate return (rc); 71207c478bd9Sstevel@tonic-gate } 71217c478bd9Sstevel@tonic-gate 71227c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 71237c478bd9Sstevel@tonic-gate rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lp, nfs_resop4 *resop) 71247c478bd9Sstevel@tonic-gate { 71257c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 71267c478bd9Sstevel@tonic-gate 71277c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lp->dbe); 71287c478bd9Sstevel@tonic-gate if (!lp->skip_seqid_check) 71291b300de9Sjwahlig rc = rfs4_check_seqid(lp->seqid, lp->reply, seqid, resop, TRUE); 71307c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lp->dbe); 71317c478bd9Sstevel@tonic-gate 71327c478bd9Sstevel@tonic-gate return (rc); 71337c478bd9Sstevel@tonic-gate } 71347c478bd9Sstevel@tonic-gate 71357c478bd9Sstevel@tonic-gate static void 71367c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 71377c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 71387c478bd9Sstevel@tonic-gate { 71397c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 71407c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 71417c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 71427c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 71437c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 71447c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 71457c478bd9Sstevel@tonic-gate bool_t create; 71467c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 71477c478bd9Sstevel@tonic-gate int can_reclaim; 71487c478bd9Sstevel@tonic-gate 7149f3b585ceSsamf DTRACE_NFSV4_2(op__open__start, struct compound_state *, cs, 7150f3b585ceSsamf OPEN4args *, args); 71517c478bd9Sstevel@tonic-gate 71527c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 71537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7154f3b585ceSsamf goto end; 71557c478bd9Sstevel@tonic-gate } 71567c478bd9Sstevel@tonic-gate 71577c478bd9Sstevel@tonic-gate /* 71587c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 71597c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 71607c478bd9Sstevel@tonic-gate */ 71617c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 71627c478bd9Sstevel@tonic-gate if (cp == NULL) { 71637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 71641b300de9Sjwahlig rfs4_check_clientid(&owner->clientid, 0); 7165f3b585ceSsamf goto end; 71667c478bd9Sstevel@tonic-gate } 71677c478bd9Sstevel@tonic-gate 71687c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 71697c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 71707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 7171f3b585ceSsamf goto end; 71727c478bd9Sstevel@tonic-gate } 71737c478bd9Sstevel@tonic-gate can_reclaim = cp->can_reclaim; 71747c478bd9Sstevel@tonic-gate 71757c478bd9Sstevel@tonic-gate /* 71767c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 71777c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 71787c478bd9Sstevel@tonic-gate * being returned. 71797c478bd9Sstevel@tonic-gate */ 71807c478bd9Sstevel@tonic-gate retry: 71817c478bd9Sstevel@tonic-gate create = TRUE; 71827c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 71837c478bd9Sstevel@tonic-gate if (oo == NULL) { 71847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 71857c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7186f3b585ceSsamf goto end; 71877c478bd9Sstevel@tonic-gate } 71887c478bd9Sstevel@tonic-gate 71897c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 71907c478bd9Sstevel@tonic-gate rfs4_sw_enter(&oo->oo_sw); 71917c478bd9Sstevel@tonic-gate 71927c478bd9Sstevel@tonic-gate /* 71937c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 71947c478bd9Sstevel@tonic-gate * the sequence id. 71957c478bd9Sstevel@tonic-gate */ 71967c478bd9Sstevel@tonic-gate if (!create && !oo->postpone_confirm) { 71977c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 71987c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 71997c478bd9Sstevel@tonic-gate if ((args->seqid > oo->open_seqid) && 72001b300de9Sjwahlig oo->need_confirm) { 72017c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 72027c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 72037c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 72047c478bd9Sstevel@tonic-gate goto retry; 72057c478bd9Sstevel@tonic-gate } 72067c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 72077c478bd9Sstevel@tonic-gate goto out; 72087c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 72097c478bd9Sstevel@tonic-gate replay = TRUE; 72107c478bd9Sstevel@tonic-gate goto out; 72117c478bd9Sstevel@tonic-gate default: 72127c478bd9Sstevel@tonic-gate break; 72137c478bd9Sstevel@tonic-gate } 72147c478bd9Sstevel@tonic-gate 72157c478bd9Sstevel@tonic-gate /* 72167c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 72177c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 72187c478bd9Sstevel@tonic-gate * open_confirm. 72197c478bd9Sstevel@tonic-gate */ 72207c478bd9Sstevel@tonic-gate if (oo->need_confirm) { 72217c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 72227c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 72237c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 72247c478bd9Sstevel@tonic-gate goto retry; 72257c478bd9Sstevel@tonic-gate } 72267c478bd9Sstevel@tonic-gate } 72277c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 72287c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 72297c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 72307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 72317c478bd9Sstevel@tonic-gate goto out; 72327c478bd9Sstevel@tonic-gate } 72337c478bd9Sstevel@tonic-gate 72347c478bd9Sstevel@tonic-gate /* 72357c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 72367c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 72377c478bd9Sstevel@tonic-gate * client. 72387c478bd9Sstevel@tonic-gate */ 72397c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 72407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 72417c478bd9Sstevel@tonic-gate goto out; 72427c478bd9Sstevel@tonic-gate } 72437c478bd9Sstevel@tonic-gate 72447c478bd9Sstevel@tonic-gate 72457c478bd9Sstevel@tonic-gate /* 72467c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 72477c478bd9Sstevel@tonic-gate */ 72487c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 72497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 72507c478bd9Sstevel@tonic-gate goto out; 72517c478bd9Sstevel@tonic-gate } 72527c478bd9Sstevel@tonic-gate 72537c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 72547c478bd9Sstevel@tonic-gate if (oo->need_confirm) { 72557c478bd9Sstevel@tonic-gate /* 72567c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 72577c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 72587c478bd9Sstevel@tonic-gate * protocol specification. 72597c478bd9Sstevel@tonic-gate */ 72607c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 72617c478bd9Sstevel@tonic-gate oo->need_confirm = FALSE; 72627c478bd9Sstevel@tonic-gate else 72637c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 72647c478bd9Sstevel@tonic-gate } 72657c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 72667c478bd9Sstevel@tonic-gate 72677c478bd9Sstevel@tonic-gate /* 72687c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 72697c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 72707c478bd9Sstevel@tonic-gate */ 72717c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 72727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 72737c478bd9Sstevel@tonic-gate goto out; 72747c478bd9Sstevel@tonic-gate } 72757c478bd9Sstevel@tonic-gate 72767c478bd9Sstevel@tonic-gate /* 72777c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 72787c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 72797c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 72807c478bd9Sstevel@tonic-gate */ 72817c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 72827c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 72837c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 72847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 72857c478bd9Sstevel@tonic-gate goto out; 72867c478bd9Sstevel@tonic-gate } 72877c478bd9Sstevel@tonic-gate 72887c478bd9Sstevel@tonic-gate 72897c478bd9Sstevel@tonic-gate /* 72907c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 72917c478bd9Sstevel@tonic-gate */ 72927c478bd9Sstevel@tonic-gate resp->attrset = 0; 72937c478bd9Sstevel@tonic-gate 72947c478bd9Sstevel@tonic-gate switch (claim) { 72957c478bd9Sstevel@tonic-gate case CLAIM_NULL: 72967c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 72971b300de9Sjwahlig break; 72987c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 72997c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 73001b300de9Sjwahlig break; 73017c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 73027c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 73031b300de9Sjwahlig break; 73047c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 73057c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 73061b300de9Sjwahlig break; 73077c478bd9Sstevel@tonic-gate default: 73087c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 73097c478bd9Sstevel@tonic-gate break; 73107c478bd9Sstevel@tonic-gate } 73117c478bd9Sstevel@tonic-gate 73127c478bd9Sstevel@tonic-gate out: 73137c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 73147c478bd9Sstevel@tonic-gate 73157c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 73167c478bd9Sstevel@tonic-gate switch (resp->status) { 73177c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 73187c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 73197c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 73207c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 73217c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 73227c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 73237c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 73247c478bd9Sstevel@tonic-gate /* 73257c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 73267c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 73277c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 73287c478bd9Sstevel@tonic-gate * increment. 73297c478bd9Sstevel@tonic-gate */ 73307c478bd9Sstevel@tonic-gate break; 73317c478bd9Sstevel@tonic-gate default: 73327c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 73337c478bd9Sstevel@tonic-gate rfs4_update_lease(oo->client); 73347c478bd9Sstevel@tonic-gate 73357c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 73367c478bd9Sstevel@tonic-gate if (!replay) 73377c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 73387c478bd9Sstevel@tonic-gate 73397c478bd9Sstevel@tonic-gate /* 73407c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 73417c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 73427c478bd9Sstevel@tonic-gate * filehandle to copy. 73437c478bd9Sstevel@tonic-gate */ 73447c478bd9Sstevel@tonic-gate if (replay == TRUE && 73457c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 73467c478bd9Sstevel@tonic-gate oo->reply_fh.nfs_fh4_val) { 73477c478bd9Sstevel@tonic-gate /* 73487c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 73497c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 73507c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 73517c478bd9Sstevel@tonic-gate * it. 73527c478bd9Sstevel@tonic-gate */ 73537c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 73541b300de9Sjwahlig (nfs_fh4_fmt_t *)oo->reply_fh.nfs_fh4_val; 73557c478bd9Sstevel@tonic-gate 73567c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 73571b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 73587c478bd9Sstevel@tonic-gate 73597c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 73607c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 73617c478bd9Sstevel@tonic-gate goto finish; 73627c478bd9Sstevel@tonic-gate } 73637c478bd9Sstevel@tonic-gate 73647c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 73657c478bd9Sstevel@tonic-gate 73667c478bd9Sstevel@tonic-gate cs->vp = nfs4_fhtovp(&oo->reply_fh, cs->exi, 73671b300de9Sjwahlig &resp->status); 73687c478bd9Sstevel@tonic-gate 73697c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 73707c478bd9Sstevel@tonic-gate goto finish; 73717c478bd9Sstevel@tonic-gate 73727c478bd9Sstevel@tonic-gate nfs_fh4_copy(&oo->reply_fh, &cs->fh); 73737c478bd9Sstevel@tonic-gate } 73747c478bd9Sstevel@tonic-gate 73757c478bd9Sstevel@tonic-gate /* 73767c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 73777c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 73787c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 73797c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 73807c478bd9Sstevel@tonic-gate */ 73817c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 73827c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 73837c478bd9Sstevel@tonic-gate /* 73847c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 73857c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 73867c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 73877c478bd9Sstevel@tonic-gate * that the server has no method of returning a 73887c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 73897c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 73907c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 73917c478bd9Sstevel@tonic-gate * this open_owner. 73927c478bd9Sstevel@tonic-gate */ 73937c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && oo->need_confirm) 73947c478bd9Sstevel@tonic-gate oo->postpone_confirm = TRUE; 73957c478bd9Sstevel@tonic-gate /* 73967c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 73977c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 73987c478bd9Sstevel@tonic-gate * client. 73997c478bd9Sstevel@tonic-gate */ 74007c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && oo->postpone_confirm) { 74017c478bd9Sstevel@tonic-gate oo->postpone_confirm = FALSE; 74027c478bd9Sstevel@tonic-gate oo->open_seqid = args->seqid; 74037c478bd9Sstevel@tonic-gate } 74047c478bd9Sstevel@tonic-gate break; 74057c478bd9Sstevel@tonic-gate } 74067c478bd9Sstevel@tonic-gate 74077c478bd9Sstevel@tonic-gate finish: 74087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 74097c478bd9Sstevel@tonic-gate 74107c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 74117c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 7412f3b585ceSsamf 7413f3b585ceSsamf end: 7414f3b585ceSsamf DTRACE_NFSV4_2(op__open__done, struct compound_state *, cs, 7415f3b585ceSsamf OPEN4res *, resp); 74167c478bd9Sstevel@tonic-gate } 74177c478bd9Sstevel@tonic-gate 74187c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 74197c478bd9Sstevel@tonic-gate void 74207c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 74217c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 74227c478bd9Sstevel@tonic-gate { 74237c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 74247c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 74257c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 74267c478bd9Sstevel@tonic-gate nfsstat4 status; 74277c478bd9Sstevel@tonic-gate 7428f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__start, struct compound_state *, cs, 7429f3b585ceSsamf OPEN_CONFIRM4args *, args); 7430f3b585ceSsamf 74317c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 74327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7433f3b585ceSsamf goto out; 74347c478bd9Sstevel@tonic-gate } 74357c478bd9Sstevel@tonic-gate 74367c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 74377c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 74387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7439f3b585ceSsamf goto out; 74407c478bd9Sstevel@tonic-gate } 74417c478bd9Sstevel@tonic-gate 74427c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 74437c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 74447c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 74457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7446f3b585ceSsamf goto out; 74477c478bd9Sstevel@tonic-gate } 74487c478bd9Sstevel@tonic-gate 74497c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 74507c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 74517c478bd9Sstevel@tonic-gate 74527c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 74537c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 74547c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 74551b300de9Sjwahlig resop) != 0) { 74567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 74577c478bd9Sstevel@tonic-gate break; 74587c478bd9Sstevel@tonic-gate } 74597c478bd9Sstevel@tonic-gate /* 74607c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 74617c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 74627c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 74637c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 74647c478bd9Sstevel@tonic-gate */ 74657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 74667c478bd9Sstevel@tonic-gate break; 74677c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 74687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 74697c478bd9Sstevel@tonic-gate break; 74707c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 74717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 74727c478bd9Sstevel@tonic-gate break; 74737c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 74747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 74757c478bd9Sstevel@tonic-gate break; 74767c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 74777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 74787c478bd9Sstevel@tonic-gate break; 74797c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 74807c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 74817c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 74827c478bd9Sstevel@tonic-gate /* 74837c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 74847c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 74857c478bd9Sstevel@tonic-gate */ 74867c478bd9Sstevel@tonic-gate /* fall through */ 74877c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 74887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 74897c478bd9Sstevel@tonic-gate break; 74907c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 74917c478bd9Sstevel@tonic-gate /* 74927c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 74937c478bd9Sstevel@tonic-gate * resp->status is already set. 74947c478bd9Sstevel@tonic-gate */ 74957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 74967c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 74977c478bd9Sstevel@tonic-gate break; 74987c478bd9Sstevel@tonic-gate } 74997c478bd9Sstevel@tonic-gate break; 75007c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 75017c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 75021b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 75037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75047c478bd9Sstevel@tonic-gate break; 75057c478bd9Sstevel@tonic-gate } 75067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 75077c478bd9Sstevel@tonic-gate 75087c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 75097c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 75107c478bd9Sstevel@tonic-gate sp->owner->need_confirm = FALSE; 75117c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 75127c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 75137c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 75147c478bd9Sstevel@tonic-gate break; 75157c478bd9Sstevel@tonic-gate default: 75167c478bd9Sstevel@tonic-gate ASSERT(FALSE); 75177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 75187c478bd9Sstevel@tonic-gate break; 75197c478bd9Sstevel@tonic-gate } 75207c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 75217c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7522f3b585ceSsamf 7523f3b585ceSsamf out: 7524f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__done, struct compound_state *, cs, 7525f3b585ceSsamf OPEN_CONFIRM4res *, resp); 75267c478bd9Sstevel@tonic-gate } 75277c478bd9Sstevel@tonic-gate 75287c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75297c478bd9Sstevel@tonic-gate void 75307c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 75317c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 75327c478bd9Sstevel@tonic-gate { 75337c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 75347c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 75357c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 75367c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 75377c478bd9Sstevel@tonic-gate nfsstat4 status; 75387c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75397c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7540da6c28aaSamw int fflags = 0; 75417c478bd9Sstevel@tonic-gate 7542f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__start, struct compound_state *, cs, 7543f3b585ceSsamf OPEN_DOWNGRADE4args *, args); 7544f3b585ceSsamf 75457c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7547f3b585ceSsamf goto out; 75487c478bd9Sstevel@tonic-gate } 75497c478bd9Sstevel@tonic-gate 75507c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 75517c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7553f3b585ceSsamf goto out; 75547c478bd9Sstevel@tonic-gate } 75557c478bd9Sstevel@tonic-gate 75567c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 75577c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 75587c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 75597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7560f3b585ceSsamf goto out; 75617c478bd9Sstevel@tonic-gate } 75627c478bd9Sstevel@tonic-gate 75637c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 75647c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 75657c478bd9Sstevel@tonic-gate 75667c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 75677c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 75687c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 75691b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 75707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75717c478bd9Sstevel@tonic-gate goto end; 75727c478bd9Sstevel@tonic-gate } 75737c478bd9Sstevel@tonic-gate break; 75747c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 75757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75767c478bd9Sstevel@tonic-gate goto end; 75777c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 75787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75797c478bd9Sstevel@tonic-gate goto end; 75807c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 75817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 75827c478bd9Sstevel@tonic-gate goto end; 75837c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 75847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75857c478bd9Sstevel@tonic-gate goto end; 75867c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 75877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75887c478bd9Sstevel@tonic-gate goto end; 75897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 75907c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 75917c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 75927c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 75937c478bd9Sstevel@tonic-gate /* 75947c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 75957c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 75967c478bd9Sstevel@tonic-gate */ 75977c478bd9Sstevel@tonic-gate /* fall through */ 75987c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 75997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76007c478bd9Sstevel@tonic-gate goto end; 76017c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76027c478bd9Sstevel@tonic-gate /* 76037c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76047c478bd9Sstevel@tonic-gate * resp->status is already set. 76057c478bd9Sstevel@tonic-gate */ 76067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 76077c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 76087c478bd9Sstevel@tonic-gate goto end; 76097c478bd9Sstevel@tonic-gate } 76107c478bd9Sstevel@tonic-gate break; 76117c478bd9Sstevel@tonic-gate default: 76127c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76137c478bd9Sstevel@tonic-gate break; 76147c478bd9Sstevel@tonic-gate } 76157c478bd9Sstevel@tonic-gate 76167c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 76177c478bd9Sstevel@tonic-gate /* 76187c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 76197c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 76207c478bd9Sstevel@tonic-gate */ 76217c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7622da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 76237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 76247c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 76257c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 76267c478bd9Sstevel@tonic-gate goto end; 76277c478bd9Sstevel@tonic-gate } 76287c478bd9Sstevel@tonic-gate 76297c478bd9Sstevel@tonic-gate /* 76307c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 76317c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 76327c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 76337c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 76347c478bd9Sstevel@tonic-gate * mode. For example: 76357c478bd9Sstevel@tonic-gate * New mode, access == R and current mode, sp->share_access == RW 76367c478bd9Sstevel@tonic-gate * access & sp->share_access == R == access, so the new access mode 76377c478bd9Sstevel@tonic-gate * is valid. Consider access == RW, sp->share_access = R 76387c478bd9Sstevel@tonic-gate * access & sp->share_access == R != access, so the new access mode 76397c478bd9Sstevel@tonic-gate * is invalid. 76407c478bd9Sstevel@tonic-gate */ 76417c478bd9Sstevel@tonic-gate if ((access & sp->share_access) != access || 76427c478bd9Sstevel@tonic-gate (deny & sp->share_deny) != deny || 76437c478bd9Sstevel@tonic-gate (access & 76447c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 76457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 76467c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 76477c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 76487c478bd9Sstevel@tonic-gate goto end; 76497c478bd9Sstevel@tonic-gate } 76507c478bd9Sstevel@tonic-gate 76517c478bd9Sstevel@tonic-gate /* 76527c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 76537c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 76547c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 76557c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 76567c478bd9Sstevel@tonic-gate */ 76577c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 76587c478bd9Sstevel@tonic-gate rfs4_unshare(sp); 76597c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 76607c478bd9Sstevel@tonic-gate 76617c478bd9Sstevel@tonic-gate fp = sp->finfo; 76627c478bd9Sstevel@tonic-gate rfs4_dbe_lock(fp->dbe); 76637c478bd9Sstevel@tonic-gate 76647c478bd9Sstevel@tonic-gate /* 76657c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 76667c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 76677c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 76687c478bd9Sstevel@tonic-gate * on the file. 76697c478bd9Sstevel@tonic-gate */ 76707c478bd9Sstevel@tonic-gate if ((sp->share_deny & OPEN4_SHARE_DENY_READ) && 76717c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 76727c478bd9Sstevel@tonic-gate fp->deny_read--; 76737c478bd9Sstevel@tonic-gate if (fp->deny_read == 0) 76747c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_READ; 76757c478bd9Sstevel@tonic-gate } 76767c478bd9Sstevel@tonic-gate 76777c478bd9Sstevel@tonic-gate /* 76787c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 76797c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 76807c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 76817c478bd9Sstevel@tonic-gate * on the file. 76827c478bd9Sstevel@tonic-gate */ 76837c478bd9Sstevel@tonic-gate if ((sp->share_deny & OPEN4_SHARE_DENY_WRITE) && 76847c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 76857c478bd9Sstevel@tonic-gate fp->deny_write--; 76867c478bd9Sstevel@tonic-gate if (fp->deny_write == 0) 76877c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_WRITE; 76887c478bd9Sstevel@tonic-gate } 76897c478bd9Sstevel@tonic-gate 76907c478bd9Sstevel@tonic-gate /* 76917c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 76927c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 76937c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7694da6c28aaSamw * on the file. set fflags to FREAD for the call to 7695da6c28aaSamw * vn_open_downgrade(). 76967c478bd9Sstevel@tonic-gate */ 76977c478bd9Sstevel@tonic-gate if ((sp->share_access & OPEN4_SHARE_ACCESS_READ) && 76987c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 76997c478bd9Sstevel@tonic-gate fp->access_read--; 77007c478bd9Sstevel@tonic-gate if (fp->access_read == 0) 77017c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_READ; 7702da6c28aaSamw fflags |= FREAD; 77037c478bd9Sstevel@tonic-gate } 77047c478bd9Sstevel@tonic-gate 77057c478bd9Sstevel@tonic-gate /* 77067c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 77077c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 77087c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7709da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7710da6c28aaSamw * vn_open_downgrade(). 77117c478bd9Sstevel@tonic-gate */ 77127c478bd9Sstevel@tonic-gate if ((sp->share_access & OPEN4_SHARE_ACCESS_WRITE) && 77137c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 77147c478bd9Sstevel@tonic-gate fp->access_write--; 77157c478bd9Sstevel@tonic-gate if (fp->access_write == 0) 77167c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7717da6c28aaSamw fflags |= FWRITE; 77187c478bd9Sstevel@tonic-gate } 77197c478bd9Sstevel@tonic-gate 77207c478bd9Sstevel@tonic-gate /* Set the new access and deny modes */ 77217c478bd9Sstevel@tonic-gate sp->share_access = access; 77227c478bd9Sstevel@tonic-gate sp->share_deny = deny; 77237c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 77247c478bd9Sstevel@tonic-gate ASSERT(fp->share_access); 77257c478bd9Sstevel@tonic-gate 77267c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(fp->dbe); 77277c478bd9Sstevel@tonic-gate 77287c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 7729da6c28aaSamw 77307c478bd9Sstevel@tonic-gate if ((status = rfs4_share(sp)) != NFS4_OK) { 77317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 77327c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 77337c478bd9Sstevel@tonic-gate goto end; 77347c478bd9Sstevel@tonic-gate } 77357c478bd9Sstevel@tonic-gate 7736da6c28aaSamw /* 7737da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 7738da6c28aaSamw * the open. it is possible that the downgrade was only for a deny 7739da6c28aaSamw * mode and we have nothing else to do. 7740da6c28aaSamw */ 7741da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7742da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7743da6c28aaSamw 77447c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 77457c478bd9Sstevel@tonic-gate 77467c478bd9Sstevel@tonic-gate /* Update the stateid */ 77477c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 77487c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 77497c478bd9Sstevel@tonic-gate 77507c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 77517c478bd9Sstevel@tonic-gate 77527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 77537c478bd9Sstevel@tonic-gate /* Update the lease */ 77547c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 77557c478bd9Sstevel@tonic-gate /* And the sequence */ 77567c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 77577c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 77587c478bd9Sstevel@tonic-gate 77597c478bd9Sstevel@tonic-gate end: 77607c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 77617c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7762f3b585ceSsamf out: 7763f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__done, struct compound_state *, cs, 7764f3b585ceSsamf OPEN_DOWNGRADE4res *, resp); 77657c478bd9Sstevel@tonic-gate } 77667c478bd9Sstevel@tonic-gate 77677c478bd9Sstevel@tonic-gate /* 77687c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 77697c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 77707c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 77717c478bd9Sstevel@tonic-gate * SETCLIENTID. 77727c478bd9Sstevel@tonic-gate */ 77737c478bd9Sstevel@tonic-gate void 77747c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 77757c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 77767c478bd9Sstevel@tonic-gate { 77777c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 77787c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 77797c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 77807c478bd9Sstevel@tonic-gate bool_t create = TRUE; 77817c478bd9Sstevel@tonic-gate char *addr, *netid; 77827c478bd9Sstevel@tonic-gate int len; 77837c478bd9Sstevel@tonic-gate 7784f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__start, struct compound_state *, cs, 7785f3b585ceSsamf SETCLIENTID4args *, args); 77867c478bd9Sstevel@tonic-gate retry: 77877c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 77887c478bd9Sstevel@tonic-gate 77897c478bd9Sstevel@tonic-gate /* 77907c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 77917c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 77927c478bd9Sstevel@tonic-gate */ 77937c478bd9Sstevel@tonic-gate create = TRUE; 77947c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 77957c478bd9Sstevel@tonic-gate 77967c478bd9Sstevel@tonic-gate /* Should never happen */ 77977c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 77987c478bd9Sstevel@tonic-gate 77997c478bd9Sstevel@tonic-gate if (cp == NULL) { 78007c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 7801f3b585ceSsamf goto out; 78027c478bd9Sstevel@tonic-gate } 78037c478bd9Sstevel@tonic-gate 78047c478bd9Sstevel@tonic-gate /* 78057c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 78067c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 78077c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 78087c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 78097c478bd9Sstevel@tonic-gate */ 78107c478bd9Sstevel@tonic-gate if (create) { 78117c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 78127c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = cp->clientid; 78137c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 78141b300de9Sjwahlig cp->confirm_verf; 78157c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 78167c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 78177c478bd9Sstevel@tonic-gate 78187c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7819f3b585ceSsamf goto out; 78207c478bd9Sstevel@tonic-gate } 78217c478bd9Sstevel@tonic-gate 78227c478bd9Sstevel@tonic-gate /* 78237c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 78247c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 78257c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 78267c478bd9Sstevel@tonic-gate */ 78277c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 78287c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 78297c478bd9Sstevel@tonic-gate goto retry; 78307c478bd9Sstevel@tonic-gate } 78317c478bd9Sstevel@tonic-gate 78327c478bd9Sstevel@tonic-gate if (cp->need_confirm == TRUE) 78337c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 78347c478bd9Sstevel@tonic-gate else 78357c478bd9Sstevel@tonic-gate cp_confirmed = cp; 78367c478bd9Sstevel@tonic-gate 78377c478bd9Sstevel@tonic-gate cp = NULL; 78387c478bd9Sstevel@tonic-gate 78397c478bd9Sstevel@tonic-gate /* 78407c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 78417c478bd9Sstevel@tonic-gate * unconfimred entry 78427c478bd9Sstevel@tonic-gate */ 78437c478bd9Sstevel@tonic-gate if (cp_confirmed) { 78447c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 78457c478bd9Sstevel@tonic-gate if (!creds_ok(cp_confirmed->cr_set, req, cs)) { 78467c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 78477c478bd9Sstevel@tonic-gate /* 78487c478bd9Sstevel@tonic-gate * Some one else has established this client 78497c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 78507c478bd9Sstevel@tonic-gate * the call back address supplied by * the 78517c478bd9Sstevel@tonic-gate * first client. 78527c478bd9Sstevel@tonic-gate */ 78537c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 78547c478bd9Sstevel@tonic-gate 78557c478bd9Sstevel@tonic-gate addr = netid = NULL; 78567c478bd9Sstevel@tonic-gate 78577c478bd9Sstevel@tonic-gate cbp = &cp_confirmed->cbinfo; 78587c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 78597c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 78607c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 78617c478bd9Sstevel@tonic-gate 78627c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 78637c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 78647c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 78657c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 78667c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 78677c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 78687c478bd9Sstevel@tonic-gate } 78697c478bd9Sstevel@tonic-gate 78707c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 78717c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 78727c478bd9Sstevel@tonic-gate 78737c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 78747c478bd9Sstevel@tonic-gate } 78757c478bd9Sstevel@tonic-gate 78767c478bd9Sstevel@tonic-gate /* 78777c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 78787c478bd9Sstevel@tonic-gate * be an update of the callback info 78797c478bd9Sstevel@tonic-gate */ 78807c478bd9Sstevel@tonic-gate if (cp_confirmed->nfs_client.verifier == 78811b300de9Sjwahlig args->client.verifier) { 78827c478bd9Sstevel@tonic-gate /* Setup callback information */ 78837c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 78841b300de9Sjwahlig args->callback_ident); 78857c478bd9Sstevel@tonic-gate 78867c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 78877c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 78887c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 78891b300de9Sjwahlig cp_confirmed->clientid; 78907c478bd9Sstevel@tonic-gate 78917c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 78927c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 78937c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 78941b300de9Sjwahlig cp_confirmed->confirm_verf; 78957c478bd9Sstevel@tonic-gate 78967c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 7897f3b585ceSsamf goto out; 78987c478bd9Sstevel@tonic-gate } 78997c478bd9Sstevel@tonic-gate 79007c478bd9Sstevel@tonic-gate /* 79017c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 79027c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 79037c478bd9Sstevel@tonic-gate * this request. 79047c478bd9Sstevel@tonic-gate */ 79057c478bd9Sstevel@tonic-gate create = FALSE; 79067c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 79071b300de9Sjwahlig cp_confirmed); 79087c478bd9Sstevel@tonic-gate } 79097c478bd9Sstevel@tonic-gate 79107c478bd9Sstevel@tonic-gate /* 79117c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 79127c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 79137c478bd9Sstevel@tonic-gate * client struct. 79147c478bd9Sstevel@tonic-gate */ 79157c478bd9Sstevel@tonic-gate 79167c478bd9Sstevel@tonic-gate /* 79177c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 79187c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 79197c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 79207c478bd9Sstevel@tonic-gate */ 79217c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 79227c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp_unconfirmed->dbe); 79237c478bd9Sstevel@tonic-gate if (!cp_unconfirmed->need_confirm) { 79247c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp_unconfirmed->dbe); 79257c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 79267c478bd9Sstevel@tonic-gate if (cp_confirmed) 79277c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 79287c478bd9Sstevel@tonic-gate goto retry; 79297c478bd9Sstevel@tonic-gate } 79307c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 79317c478bd9Sstevel@tonic-gate rfs4_dbe_invalidate(cp_unconfirmed->dbe); 79327c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp_unconfirmed->dbe); 79337c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 79347c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 79357c478bd9Sstevel@tonic-gate } 79367c478bd9Sstevel@tonic-gate 79377c478bd9Sstevel@tonic-gate /* 79387c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 79397c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 79407c478bd9Sstevel@tonic-gate * unconfirmed one. 79417c478bd9Sstevel@tonic-gate */ 79427c478bd9Sstevel@tonic-gate create = TRUE; 79437c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 79447c478bd9Sstevel@tonic-gate 79457c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 79467c478bd9Sstevel@tonic-gate 79477c478bd9Sstevel@tonic-gate if (newcp == NULL) { 79487c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 79497c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 7950f3b585ceSsamf goto out; 79517c478bd9Sstevel@tonic-gate } 79527c478bd9Sstevel@tonic-gate 79537c478bd9Sstevel@tonic-gate /* 79547c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 79557c478bd9Sstevel@tonic-gate * process so release and start over with this one 79567c478bd9Sstevel@tonic-gate */ 79577c478bd9Sstevel@tonic-gate if (create != TRUE) { 79587c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 79597c478bd9Sstevel@tonic-gate if (cp_confirmed) 79607c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 79617c478bd9Sstevel@tonic-gate goto retry; 79627c478bd9Sstevel@tonic-gate } 79637c478bd9Sstevel@tonic-gate 79647c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 79657c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = newcp->clientid; 79661b300de9Sjwahlig res->SETCLIENTID4res_u.resok4.setclientid_confirm = newcp->confirm_verf; 79677c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 79681b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 79697c478bd9Sstevel@tonic-gate 79707c478bd9Sstevel@tonic-gate newcp->cp_confirmed = cp_confirmed; 79717c478bd9Sstevel@tonic-gate 79727c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 7973f3b585ceSsamf 7974f3b585ceSsamf out: 7975f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__done, struct compound_state *, cs, 7976f3b585ceSsamf SETCLIENTID4res *, res); 79777c478bd9Sstevel@tonic-gate } 79787c478bd9Sstevel@tonic-gate 79797c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 79807c478bd9Sstevel@tonic-gate void 79817c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 79827c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 79837c478bd9Sstevel@tonic-gate { 79847c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 79851b300de9Sjwahlig &argop->nfs_argop4_u.opsetclientid_confirm; 79867c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 79871b300de9Sjwahlig &resop->nfs_resop4_u.opsetclientid_confirm; 79887c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 79897c478bd9Sstevel@tonic-gate 7990f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__start, 7991f3b585ceSsamf struct compound_state *, cs, 7992f3b585ceSsamf SETCLIENTID_CONFIRM4args *, args); 7993f3b585ceSsamf 79947c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 79957c478bd9Sstevel@tonic-gate 79967c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 79977c478bd9Sstevel@tonic-gate 79987c478bd9Sstevel@tonic-gate if (cp == NULL) { 79997c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 80001b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 1); 8001f3b585ceSsamf goto out; 80027c478bd9Sstevel@tonic-gate } 80037c478bd9Sstevel@tonic-gate 80047c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 80057c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 80067c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8007f3b585ceSsamf goto out; 80087c478bd9Sstevel@tonic-gate } 80097c478bd9Sstevel@tonic-gate 80107c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 80117c478bd9Sstevel@tonic-gate if (cp->confirm_verf != args->setclientid_confirm) { 80127c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 80137c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8014f3b585ceSsamf goto out; 80157c478bd9Sstevel@tonic-gate } 80167c478bd9Sstevel@tonic-gate 80177c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp->dbe); 80187c478bd9Sstevel@tonic-gate cp->need_confirm = FALSE; 80197c478bd9Sstevel@tonic-gate if (cp->cp_confirmed) { 80207c478bd9Sstevel@tonic-gate cptoclose = cp->cp_confirmed; 80217c478bd9Sstevel@tonic-gate cptoclose->ss_remove = 1; 80227c478bd9Sstevel@tonic-gate cp->cp_confirmed = NULL; 80237c478bd9Sstevel@tonic-gate } 80247c478bd9Sstevel@tonic-gate 80257c478bd9Sstevel@tonic-gate /* 8026cee86682Scalum * Update the client's associated server instance, if it's changed 8027cee86682Scalum * since the client was created. 8028cee86682Scalum */ 8029cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 8030cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 8031cee86682Scalum 8032cee86682Scalum /* 8033cee86682Scalum * Record clientid in stable storage. 8034cee86682Scalum * Must be done after server instance has been assigned. 80357c478bd9Sstevel@tonic-gate */ 80367c478bd9Sstevel@tonic-gate rfs4_ss_clid(cp, req); 80377c478bd9Sstevel@tonic-gate 80387c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp->dbe); 80397c478bd9Sstevel@tonic-gate 80407c478bd9Sstevel@tonic-gate if (cptoclose) 80417c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 80427c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 80437c478bd9Sstevel@tonic-gate 80447c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 80457c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 80467c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 80477c478bd9Sstevel@tonic-gate 80487c478bd9Sstevel@tonic-gate /* 80497c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 80507c478bd9Sstevel@tonic-gate */ 80517c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 80527c478bd9Sstevel@tonic-gate 80537c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8054f3b585ceSsamf 8055f3b585ceSsamf out: 8056f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__done, 8057f3b585ceSsamf struct compound_state *, cs, 8058f3b585ceSsamf SETCLIENTID_CONFIRM4 *, res); 80597c478bd9Sstevel@tonic-gate } 80607c478bd9Sstevel@tonic-gate 80617c478bd9Sstevel@tonic-gate 80627c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 80637c478bd9Sstevel@tonic-gate void 80647c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 80657c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 80667c478bd9Sstevel@tonic-gate { 80677c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 80687c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 80697c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 80707c478bd9Sstevel@tonic-gate nfsstat4 status; 80717c478bd9Sstevel@tonic-gate 8072f3b585ceSsamf DTRACE_NFSV4_2(op__close__start, struct compound_state *, cs, 8073f3b585ceSsamf CLOSE4args *, args); 8074f3b585ceSsamf 80757c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 80767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8077f3b585ceSsamf goto out; 80787c478bd9Sstevel@tonic-gate } 80797c478bd9Sstevel@tonic-gate 80807c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 80817c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 80827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8083f3b585ceSsamf goto out; 80847c478bd9Sstevel@tonic-gate } 80857c478bd9Sstevel@tonic-gate 80867c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 80877c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 80887c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 80897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8090f3b585ceSsamf goto out; 80917c478bd9Sstevel@tonic-gate } 80927c478bd9Sstevel@tonic-gate 80937c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 80947c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 80957c478bd9Sstevel@tonic-gate 80967c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 80977c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 80987c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 80991b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 81007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 81017c478bd9Sstevel@tonic-gate goto end; 81027c478bd9Sstevel@tonic-gate } 81037c478bd9Sstevel@tonic-gate break; 81047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 81057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 81067c478bd9Sstevel@tonic-gate goto end; 81077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 81087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81097c478bd9Sstevel@tonic-gate goto end; 81107c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 81117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 81127c478bd9Sstevel@tonic-gate goto end; 81137c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 81147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 81157c478bd9Sstevel@tonic-gate goto end; 81167c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 81177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81187c478bd9Sstevel@tonic-gate goto end; 81197c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 81207c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 81217c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 81227c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 81237c478bd9Sstevel@tonic-gate /* 81247c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 81257c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 81267c478bd9Sstevel@tonic-gate */ 81277c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 81287c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 81297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 81307c478bd9Sstevel@tonic-gate goto end; 81317c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 81327c478bd9Sstevel@tonic-gate /* 81337c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 81347c478bd9Sstevel@tonic-gate * resp->status is already set. 81357c478bd9Sstevel@tonic-gate */ 81367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 81377c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 81387c478bd9Sstevel@tonic-gate goto end; 81397c478bd9Sstevel@tonic-gate } 81407c478bd9Sstevel@tonic-gate break; 81417c478bd9Sstevel@tonic-gate default: 81427c478bd9Sstevel@tonic-gate ASSERT(FALSE); 81437c478bd9Sstevel@tonic-gate break; 81447c478bd9Sstevel@tonic-gate } 81457c478bd9Sstevel@tonic-gate 81467c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 81477c478bd9Sstevel@tonic-gate 81487c478bd9Sstevel@tonic-gate /* Update the stateid. */ 81497c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 81507c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 81517c478bd9Sstevel@tonic-gate 81527c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 81537c478bd9Sstevel@tonic-gate 81547c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 81557c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 81567c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 81577c478bd9Sstevel@tonic-gate 81587c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 81597c478bd9Sstevel@tonic-gate 81607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 81617c478bd9Sstevel@tonic-gate 81627c478bd9Sstevel@tonic-gate end: 81637c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 81647c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 8165f3b585ceSsamf out: 8166f3b585ceSsamf DTRACE_NFSV4_2(op__close__done, struct compound_state *, cs, 8167f3b585ceSsamf CLOSE4res *, resp); 81687c478bd9Sstevel@tonic-gate } 81697c478bd9Sstevel@tonic-gate 81707c478bd9Sstevel@tonic-gate /* 81717c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 81727c478bd9Sstevel@tonic-gate */ 81737c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81747c478bd9Sstevel@tonic-gate void 81757c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 81767c478bd9Sstevel@tonic-gate bool_t close_of_client) 81777c478bd9Sstevel@tonic-gate { 81787c478bd9Sstevel@tonic-gate rfs4_file_t *fp = sp->finfo; 81797c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 81807c478bd9Sstevel@tonic-gate struct shrlock shr; 81817c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 81827c478bd9Sstevel@tonic-gate int fflags, s_access, s_deny; 81837c478bd9Sstevel@tonic-gate 81847c478bd9Sstevel@tonic-gate fflags = s_access = s_deny = 0; 81857c478bd9Sstevel@tonic-gate /* 81867c478bd9Sstevel@tonic-gate * Decrement the count for each access and deny bit that this 81877c478bd9Sstevel@tonic-gate * state has contributed to the file. If the file counts go to zero 81887c478bd9Sstevel@tonic-gate * clear the appropriate bit in the appropriate mask. 81897c478bd9Sstevel@tonic-gate */ 81907c478bd9Sstevel@tonic-gate 81917c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_READ) { 81927c478bd9Sstevel@tonic-gate fp->access_read--; 81937c478bd9Sstevel@tonic-gate fflags |= FREAD; 81947c478bd9Sstevel@tonic-gate s_access |= F_RDACC; 81957c478bd9Sstevel@tonic-gate if (fp->access_read == 0) 81967c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_READ; 81977c478bd9Sstevel@tonic-gate } 81987c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_WRITE) { 81997c478bd9Sstevel@tonic-gate fp->access_write--; 82007c478bd9Sstevel@tonic-gate fflags |= FWRITE; 82017c478bd9Sstevel@tonic-gate s_access |= F_WRACC; 82027c478bd9Sstevel@tonic-gate if (fp->access_write == 0) 82037c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_WRITE; 82047c478bd9Sstevel@tonic-gate } 82057c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_READ) { 82067c478bd9Sstevel@tonic-gate fp->deny_read--; 82077c478bd9Sstevel@tonic-gate s_deny |= F_RDDNY; 82087c478bd9Sstevel@tonic-gate if (fp->deny_read == 0) 82097c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_READ; 82107c478bd9Sstevel@tonic-gate } 82117c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_WRITE) { 82127c478bd9Sstevel@tonic-gate fp->deny_write--; 82137c478bd9Sstevel@tonic-gate s_deny |= F_WRDNY; 82147c478bd9Sstevel@tonic-gate if (fp->deny_write == 0) 82157c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_WRITE; 82167c478bd9Sstevel@tonic-gate } 82177c478bd9Sstevel@tonic-gate 82187c478bd9Sstevel@tonic-gate /* 82197c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 82207c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 82217c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 82227c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 82237c478bd9Sstevel@tonic-gate */ 82247c478bd9Sstevel@tonic-gate if (close_of_client) { 82257c478bd9Sstevel@tonic-gate if (sp->owner->client->unlksys_completed == FALSE && 82267c478bd9Sstevel@tonic-gate sp->lockownerlist.next->lsp != NULL && 82271b300de9Sjwahlig sp->owner->client->sysidt != LM_NOSYSID) { 82287c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 82297c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 82307c478bd9Sstevel@tonic-gate int new_sysid; 82317c478bd9Sstevel@tonic-gate 82327c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 82337c478bd9Sstevel@tonic-gate new_sysid = sp->owner->client->sysidt; 82347c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 82357c478bd9Sstevel@tonic-gate 82367c478bd9Sstevel@tonic-gate /* 82377c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 82387c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 82397c478bd9Sstevel@tonic-gate */ 82407c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 82417c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 82427c478bd9Sstevel@tonic-gate new_sysid)); 82437c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 82447c478bd9Sstevel@tonic-gate } else { 82457c478bd9Sstevel@tonic-gate struct flock64 flk; 82467c478bd9Sstevel@tonic-gate 82477c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 82487c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 82497c478bd9Sstevel@tonic-gate flk.l_whence = 0; 82507c478bd9Sstevel@tonic-gate flk.l_start = 0; 82517c478bd9Sstevel@tonic-gate flk.l_len = 0; 82527c478bd9Sstevel@tonic-gate flk.l_sysid = sp->owner->client->sysidt; 82537c478bd9Sstevel@tonic-gate flk.l_pid = 0; 82547c478bd9Sstevel@tonic-gate (void) VOP_FRLOCK(sp->finfo->vp, F_SETLK, &flk, 82557c478bd9Sstevel@tonic-gate F_REMOTELOCK | FREAD | FWRITE, 8256da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 82577c478bd9Sstevel@tonic-gate } 82587c478bd9Sstevel@tonic-gate 82597c478bd9Sstevel@tonic-gate sp->owner->client->unlksys_completed = TRUE; 82607c478bd9Sstevel@tonic-gate } 82617c478bd9Sstevel@tonic-gate } 82627c478bd9Sstevel@tonic-gate 82637c478bd9Sstevel@tonic-gate /* 82647c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 82657c478bd9Sstevel@tonic-gate * least mark the locks as having been released 82667c478bd9Sstevel@tonic-gate */ 82677c478bd9Sstevel@tonic-gate for (lsp = sp->lockownerlist.next->lsp; lsp != NULL; 82681b300de9Sjwahlig lsp = lsp->lockownerlist.next->lsp) { 82697c478bd9Sstevel@tonic-gate 82707c478bd9Sstevel@tonic-gate lsp->locks_cleaned = TRUE; 82717c478bd9Sstevel@tonic-gate 82727c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 82737c478bd9Sstevel@tonic-gate if (!close_of_client && 82747c478bd9Sstevel@tonic-gate sp->owner->client->sysidt != LM_NOSYSID) 82757c478bd9Sstevel@tonic-gate (void) cleanlocks(sp->finfo->vp, lsp->locker->pid, 82761b300de9Sjwahlig lsp->locker->client->sysidt); 82777c478bd9Sstevel@tonic-gate } 82787c478bd9Sstevel@tonic-gate 82797c478bd9Sstevel@tonic-gate /* 82807c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 82817c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 82827c478bd9Sstevel@tonic-gate */ 82837c478bd9Sstevel@tonic-gate if (sp->owner->client->sysidt != LM_NOSYSID) { 82847c478bd9Sstevel@tonic-gate shr.s_access = s_access; 82857c478bd9Sstevel@tonic-gate shr.s_deny = s_deny; 82867c478bd9Sstevel@tonic-gate shr.s_pid = rfs4_dbe_getid(sp->owner->dbe); 82877c478bd9Sstevel@tonic-gate shr.s_sysid = sp->owner->client->sysidt; 82887c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 82897c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 82907c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 82917c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 82927c478bd9Sstevel@tonic-gate (void) vop_shrlock(sp->finfo->vp, F_UNSHARE, &shr, fflags); 82937c478bd9Sstevel@tonic-gate } 8294da6c28aaSamw 8295da6c28aaSamw (void) VOP_CLOSE(fp->vp, fflags, 1, (offset_t)0, cr, NULL); 82967c478bd9Sstevel@tonic-gate } 82977c478bd9Sstevel@tonic-gate 82987c478bd9Sstevel@tonic-gate /* 82997c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 83007c478bd9Sstevel@tonic-gate */ 83017c478bd9Sstevel@tonic-gate static nfsstat4 83027c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 83037c478bd9Sstevel@tonic-gate { 83047c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 83057c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 83067c478bd9Sstevel@tonic-gate uint32_t len; 83077c478bd9Sstevel@tonic-gate 83087c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 83097c478bd9Sstevel@tonic-gate if (lo != NULL) { 83107c478bd9Sstevel@tonic-gate cp = lo->client; 83117c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 83127c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 83137c478bd9Sstevel@tonic-gate rfs4_dbe_hold(cp->dbe); 83147c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 83157c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 83167c478bd9Sstevel@tonic-gate } 83177c478bd9Sstevel@tonic-gate dp->owner.clientid = lo->owner.clientid; 83187c478bd9Sstevel@tonic-gate len = lo->owner.owner_len; 83197c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 83207c478bd9Sstevel@tonic-gate bcopy(lo->owner.owner_val, dp->owner.owner_val, len); 83217c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 83227c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 83237c478bd9Sstevel@tonic-gate goto finish; 83247c478bd9Sstevel@tonic-gate } 83257c478bd9Sstevel@tonic-gate 83267c478bd9Sstevel@tonic-gate /* 83277c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 83287c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 83297c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 83307c478bd9Sstevel@tonic-gate * the lock owner to the pid. 83317c478bd9Sstevel@tonic-gate */ 83327c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 83337c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 83347c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 83357c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 83367c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 83377c478bd9Sstevel@tonic-gate finish: 83387c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 83397c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 83407c478bd9Sstevel@tonic-gate 83417c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 83427c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 83437c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 83447c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 83457c478bd9Sstevel@tonic-gate else 83467c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 83477c478bd9Sstevel@tonic-gate 83487c478bd9Sstevel@tonic-gate return (NFS4_OK); 83497c478bd9Sstevel@tonic-gate } 83507c478bd9Sstevel@tonic-gate 83517c478bd9Sstevel@tonic-gate static int 83527c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 83537c478bd9Sstevel@tonic-gate { 83547c478bd9Sstevel@tonic-gate int error; 83557c478bd9Sstevel@tonic-gate struct flock64 flk; 83567c478bd9Sstevel@tonic-gate int i; 83577c478bd9Sstevel@tonic-gate clock_t delaytime; 8358da6c28aaSamw int cmd; 83597c478bd9Sstevel@tonic-gate 8360da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 83617c478bd9Sstevel@tonic-gate retry: 83627c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 83637c478bd9Sstevel@tonic-gate 83647c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 8365da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 8366da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 8367da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 83687c478bd9Sstevel@tonic-gate 83697c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 83707c478bd9Sstevel@tonic-gate break; 83717c478bd9Sstevel@tonic-gate 83727c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 83737c478bd9Sstevel@tonic-gate delay(delaytime); 83747c478bd9Sstevel@tonic-gate delaytime *= 2; 83757c478bd9Sstevel@tonic-gate } 83767c478bd9Sstevel@tonic-gate } 83777c478bd9Sstevel@tonic-gate 83787c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 83797c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 83807c478bd9Sstevel@tonic-gate flk = *flock; 83817c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 8382da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 8383da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 83847c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 83857c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 83867c478bd9Sstevel@tonic-gate goto retry; 83877c478bd9Sstevel@tonic-gate } 83887c478bd9Sstevel@tonic-gate *flock = flk; 83897c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 83901b300de9Sjwahlig F_GETLK, &flk); 83917c478bd9Sstevel@tonic-gate } 83927c478bd9Sstevel@tonic-gate } 83937c478bd9Sstevel@tonic-gate 83947c478bd9Sstevel@tonic-gate return (error); 83957c478bd9Sstevel@tonic-gate } 83967c478bd9Sstevel@tonic-gate 83977c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 83987c478bd9Sstevel@tonic-gate static nfsstat4 83997c478bd9Sstevel@tonic-gate rfs4_do_lock(rfs4_lo_state_t *lp, nfs_lock_type4 locktype, 84007c478bd9Sstevel@tonic-gate seqid4 seqid, offset4 offset, 84017c478bd9Sstevel@tonic-gate length4 length, cred_t *cred, nfs_resop4 *resop) 84027c478bd9Sstevel@tonic-gate { 84037c478bd9Sstevel@tonic-gate nfsstat4 status; 84047c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo = lp->locker; 84057c478bd9Sstevel@tonic-gate rfs4_state_t *sp = lp->state; 84067c478bd9Sstevel@tonic-gate struct flock64 flock; 84077c478bd9Sstevel@tonic-gate int16_t ltype; 84087c478bd9Sstevel@tonic-gate int flag; 84097c478bd9Sstevel@tonic-gate int error; 84107c478bd9Sstevel@tonic-gate sysid_t sysid; 84117c478bd9Sstevel@tonic-gate LOCK4res *lres; 84127c478bd9Sstevel@tonic-gate 84137c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(lo->client)) { 84147c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 84157c478bd9Sstevel@tonic-gate } 84167c478bd9Sstevel@tonic-gate 84177c478bd9Sstevel@tonic-gate if ((status = rfs4_client_sysid(lo->client, &sysid)) != NFS4_OK) 84187c478bd9Sstevel@tonic-gate return (status); 84197c478bd9Sstevel@tonic-gate 84207c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 84217c478bd9Sstevel@tonic-gate if (length == 0) 84227c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 84237c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 84247c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 84257c478bd9Sstevel@tonic-gate 84267c478bd9Sstevel@tonic-gate retry: 84277c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 84287c478bd9Sstevel@tonic-gate 84297c478bd9Sstevel@tonic-gate 84307c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 84317c478bd9Sstevel@tonic-gate switch (locktype) { 84327c478bd9Sstevel@tonic-gate case READ_LT: 84337c478bd9Sstevel@tonic-gate case READW_LT: 84347c478bd9Sstevel@tonic-gate if ((sp->share_access 84357c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 84367c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 84377c478bd9Sstevel@tonic-gate 84387c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 84397c478bd9Sstevel@tonic-gate } 84407c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 84417c478bd9Sstevel@tonic-gate break; 84427c478bd9Sstevel@tonic-gate case WRITE_LT: 84437c478bd9Sstevel@tonic-gate case WRITEW_LT: 84447c478bd9Sstevel@tonic-gate if ((sp->share_access 84457c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 84467c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 84477c478bd9Sstevel@tonic-gate 84487c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 84497c478bd9Sstevel@tonic-gate } 84507c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 84517c478bd9Sstevel@tonic-gate break; 84527c478bd9Sstevel@tonic-gate } 84537c478bd9Sstevel@tonic-gate } else 84547c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 84557c478bd9Sstevel@tonic-gate 84567c478bd9Sstevel@tonic-gate flock.l_type = ltype; 84577c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 84587c478bd9Sstevel@tonic-gate flock.l_start = offset; 84597c478bd9Sstevel@tonic-gate flock.l_len = length; 84607c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 84617c478bd9Sstevel@tonic-gate flock.l_pid = lp->locker->pid; 84627c478bd9Sstevel@tonic-gate 84637c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 84647c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 84657c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 84667c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 84677c478bd9Sstevel@tonic-gate } 84687c478bd9Sstevel@tonic-gate 84697c478bd9Sstevel@tonic-gate /* 84707c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 84717c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 84727c478bd9Sstevel@tonic-gate */ 84737c478bd9Sstevel@tonic-gate flag = (int)sp->share_access | F_REMOTELOCK; 84747c478bd9Sstevel@tonic-gate 84757c478bd9Sstevel@tonic-gate error = setlock(sp->finfo->vp, &flock, flag, cred); 84767c478bd9Sstevel@tonic-gate if (error == 0) { 84777c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lp->dbe); 84787c478bd9Sstevel@tonic-gate next_stateid(&lp->lockid); 84797c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lp->dbe); 84807c478bd9Sstevel@tonic-gate } 84817c478bd9Sstevel@tonic-gate 84827c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 84837c478bd9Sstevel@tonic-gate 84847c478bd9Sstevel@tonic-gate /* 84857c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 84867c478bd9Sstevel@tonic-gate * than puterrno4 routine. 84877c478bd9Sstevel@tonic-gate */ 84887c478bd9Sstevel@tonic-gate switch (error) { 84897c478bd9Sstevel@tonic-gate case 0: 84907c478bd9Sstevel@tonic-gate status = NFS4_OK; 84917c478bd9Sstevel@tonic-gate break; 84927c478bd9Sstevel@tonic-gate case EAGAIN: 84937c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 84947c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 84957c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 84967c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 84977c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 84987c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 84991b300de9Sjwahlig == NFS4ERR_EXPIRED) 85007c478bd9Sstevel@tonic-gate goto retry; 85017c478bd9Sstevel@tonic-gate break; 85027c478bd9Sstevel@tonic-gate case ENOLCK: 85037c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 85047c478bd9Sstevel@tonic-gate break; 85057c478bd9Sstevel@tonic-gate case EOVERFLOW: 85067c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 85077c478bd9Sstevel@tonic-gate break; 85087c478bd9Sstevel@tonic-gate case EINVAL: 85097c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 85107c478bd9Sstevel@tonic-gate break; 85117c478bd9Sstevel@tonic-gate default: 85127c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 85137c478bd9Sstevel@tonic-gate break; 85147c478bd9Sstevel@tonic-gate } 85157c478bd9Sstevel@tonic-gate 85167c478bd9Sstevel@tonic-gate return (status); 85177c478bd9Sstevel@tonic-gate } 85187c478bd9Sstevel@tonic-gate 85197c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85207c478bd9Sstevel@tonic-gate void 85217c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 85227c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 85237c478bd9Sstevel@tonic-gate { 85247c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 85257c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 85267c478bd9Sstevel@tonic-gate nfsstat4 status; 85277c478bd9Sstevel@tonic-gate stateid4 *stateid; 85287c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 85297c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 85307c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 85317c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 85327c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 85337c478bd9Sstevel@tonic-gate bool_t create = TRUE; 85347c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 85357c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 85367c478bd9Sstevel@tonic-gate int rc; 85377c478bd9Sstevel@tonic-gate 8538f3b585ceSsamf DTRACE_NFSV4_2(op__lock__start, struct compound_state *, cs, 8539f3b585ceSsamf LOCK4args *, args); 8540f3b585ceSsamf 85417c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 85427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8543f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8544f3b585ceSsamf cs, LOCK4res *, resp); 85457c478bd9Sstevel@tonic-gate return; 85467c478bd9Sstevel@tonic-gate } 85477c478bd9Sstevel@tonic-gate 85487c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 85497c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 85507c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 85517c478bd9Sstevel@tonic-gate 85527c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 85537c478bd9Sstevel@tonic-gate 85547c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 85557c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 85567c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 85577c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 85581b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 85597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8560f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8561f3b585ceSsamf cs, LOCK4res *, resp); 85627c478bd9Sstevel@tonic-gate return; 85637c478bd9Sstevel@tonic-gate } 85647c478bd9Sstevel@tonic-gate 85657c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 85667c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 85677c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 85687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8569f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8570f3b585ceSsamf cs, LOCK4res *, resp); 85717c478bd9Sstevel@tonic-gate return; 85727c478bd9Sstevel@tonic-gate } 85737c478bd9Sstevel@tonic-gate 85747c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 85757c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 85767c478bd9Sstevel@tonic-gate 85777c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 85787c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 85797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 85807c478bd9Sstevel@tonic-gate goto end; 85817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 85827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 85837c478bd9Sstevel@tonic-gate goto end; 85847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 85857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 85867c478bd9Sstevel@tonic-gate goto end; 85877c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 85887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 85897c478bd9Sstevel@tonic-gate goto end; 85907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 85917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 85927c478bd9Sstevel@tonic-gate goto end; 85937c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 85947c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 85957c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 85961b300de9Sjwahlig sp->owner, resop)) { 85977c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 85987c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 85997c478bd9Sstevel@tonic-gate break; 86007c478bd9Sstevel@tonic-gate /* 86017c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 86027c478bd9Sstevel@tonic-gate * matches next expected, then client 86037c478bd9Sstevel@tonic-gate * is using wrong seqid. 86047c478bd9Sstevel@tonic-gate */ 86057c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 86067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 86071b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 86087c478bd9Sstevel@tonic-gate goto end; 86097c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 86107c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 86117c478bd9Sstevel@tonic-gate dup_lock = TRUE; 86127c478bd9Sstevel@tonic-gate 86137c478bd9Sstevel@tonic-gate /* 86147c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 86157c478bd9Sstevel@tonic-gate * create a new lockowner as it should 86167c478bd9Sstevel@tonic-gate * already exist. 86177c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 86187c478bd9Sstevel@tonic-gate */ 86197c478bd9Sstevel@tonic-gate lcreate = FALSE; 86207c478bd9Sstevel@tonic-gate } 86217c478bd9Sstevel@tonic-gate break; 86227c478bd9Sstevel@tonic-gate } 86237c478bd9Sstevel@tonic-gate 86247c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 86257c478bd9Sstevel@tonic-gate if (lo == NULL) { 86267c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86271b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no lock owner")); 86287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 86297c478bd9Sstevel@tonic-gate goto end; 86307c478bd9Sstevel@tonic-gate } 86317c478bd9Sstevel@tonic-gate 86327c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 86337c478bd9Sstevel@tonic-gate if (lsp == NULL) { 86347c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 86357c478bd9Sstevel@tonic-gate /* 86367c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 86377c478bd9Sstevel@tonic-gate * a duplicate request 86387c478bd9Sstevel@tonic-gate */ 86397c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 86407c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 86417c478bd9Sstevel@tonic-gate } 86427c478bd9Sstevel@tonic-gate 86437c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86441b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no state")); 86457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 86467c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 86477c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 86487c478bd9Sstevel@tonic-gate goto end; 86497c478bd9Sstevel@tonic-gate } 86507c478bd9Sstevel@tonic-gate 86517c478bd9Sstevel@tonic-gate /* 86527c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 86537c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 86547c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 86557c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 86567c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 86577c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 86587c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 86597c478bd9Sstevel@tonic-gate * existing lock_owner branch. 86607c478bd9Sstevel@tonic-gate */ 86617c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 86627c478bd9Sstevel@tonic-gate if (lsp->lock_completed == TRUE) { 86637c478bd9Sstevel@tonic-gate *cs->statusp = 86641b300de9Sjwahlig resp->status = NFS4ERR_BAD_SEQID; 86657c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 86667c478bd9Sstevel@tonic-gate goto end; 86677c478bd9Sstevel@tonic-gate } 86687c478bd9Sstevel@tonic-gate } 86697c478bd9Sstevel@tonic-gate 86707c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 86717c478bd9Sstevel@tonic-gate 86727c478bd9Sstevel@tonic-gate /* 86737c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 86747c478bd9Sstevel@tonic-gate * a duplicate request 86757c478bd9Sstevel@tonic-gate */ 86767c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 86777c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 86787c478bd9Sstevel@tonic-gate } 86797c478bd9Sstevel@tonic-gate 86807c478bd9Sstevel@tonic-gate /* 86817c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 86827c478bd9Sstevel@tonic-gate * previously saved reply and return. 86837c478bd9Sstevel@tonic-gate */ 86847c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 86857c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 86867c478bd9Sstevel@tonic-gate if (lsp->seqid != olo->lock_seqid) { 86877c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86881b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 86891b300de9Sjwahlig "lsp->seqid=%d old->seqid=%d", 86901b300de9Sjwahlig lsp->seqid, olo->lock_seqid)); 86917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 86927c478bd9Sstevel@tonic-gate } else { 86937c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lsp->reply); 86947c478bd9Sstevel@tonic-gate /* 86957c478bd9Sstevel@tonic-gate * Make sure to copy the just 86967c478bd9Sstevel@tonic-gate * retrieved reply status into the 86977c478bd9Sstevel@tonic-gate * overall compound status 86987c478bd9Sstevel@tonic-gate */ 86997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 87007c478bd9Sstevel@tonic-gate } 87017c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 87027c478bd9Sstevel@tonic-gate goto end; 87037c478bd9Sstevel@tonic-gate } 87047c478bd9Sstevel@tonic-gate 87057c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lsp->dbe); 87067c478bd9Sstevel@tonic-gate 87077c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 87087c478bd9Sstevel@tonic-gate lsp->seqid = olo->lock_seqid; 87097c478bd9Sstevel@tonic-gate 87107c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87111b300de9Sjwahlig (CE_NOTE, "Lock seqid established as %d", lsp->seqid)); 87127c478bd9Sstevel@tonic-gate 87137c478bd9Sstevel@tonic-gate /* 87147c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 87157c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 87167c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 87177c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 87187c478bd9Sstevel@tonic-gate */ 87197c478bd9Sstevel@tonic-gate lsp->skip_seqid_check = TRUE; 87207c478bd9Sstevel@tonic-gate 87217c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 87227c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 87237c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 87247c478bd9Sstevel@tonic-gate 87257c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lsp->dbe); 87267c478bd9Sstevel@tonic-gate 87277c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 87287c478bd9Sstevel@tonic-gate } else { 87297c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 87307c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 87317c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 87327c478bd9Sstevel@tonic-gate != NFS4_OK) { 87337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8734f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8735f3b585ceSsamf cs, LOCK4res *, resp); 87367c478bd9Sstevel@tonic-gate return; 87377c478bd9Sstevel@tonic-gate } 87387c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 87397c478bd9Sstevel@tonic-gate 87407c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 87417c478bd9Sstevel@tonic-gate if (cs->vp != lsp->state->finfo->vp) { 87427c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 87437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8744f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8745f3b585ceSsamf cs, LOCK4res *, resp); 87467c478bd9Sstevel@tonic-gate return; 87477c478bd9Sstevel@tonic-gate } 87487c478bd9Sstevel@tonic-gate 87497c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 87507c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 87517c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 87527c478bd9Sstevel@tonic-gate 87537c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 87547c478bd9Sstevel@tonic-gate /* 87557c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 87567c478bd9Sstevel@tonic-gate * the next one) 87577c478bd9Sstevel@tonic-gate */ 87587c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 87597c478bd9Sstevel@tonic-gate /* 87607c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 87617c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 87627c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 87637c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 87647c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 87657c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 87667c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 87677c478bd9Sstevel@tonic-gate * updated. That case is handled below when 87687c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 87697c478bd9Sstevel@tonic-gate * second is the case where an error is 87707c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 87717c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 87727c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 87737c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 87747c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 87757c478bd9Sstevel@tonic-gate * replay but it is okay. 87767c478bd9Sstevel@tonic-gate */ 87777c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 87781b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 87791b300de9Sjwahlig lsp, resop)) { 87807c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 87817c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 87827c478bd9Sstevel@tonic-gate /* 87837c478bd9Sstevel@tonic-gate * Here is our replay and need 87847c478bd9Sstevel@tonic-gate * to verify that the last 87857c478bd9Sstevel@tonic-gate * response was an error. 87867c478bd9Sstevel@tonic-gate */ 87877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 87887c478bd9Sstevel@tonic-gate goto end; 87897c478bd9Sstevel@tonic-gate } 87907c478bd9Sstevel@tonic-gate /* 87917c478bd9Sstevel@tonic-gate * This is done since the sequence id 87927c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 87937c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 87947c478bd9Sstevel@tonic-gate * returned as a result. 87957c478bd9Sstevel@tonic-gate */ 87967c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 87977c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 87981b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 87997c478bd9Sstevel@tonic-gate goto end; 88007c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 88017c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 88027c478bd9Sstevel@tonic-gate break; 88037c478bd9Sstevel@tonic-gate } 88047c478bd9Sstevel@tonic-gate break; 88057c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 88067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 88077c478bd9Sstevel@tonic-gate goto end; 88087c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 88097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 88107c478bd9Sstevel@tonic-gate goto end; 88117c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 88127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 88137c478bd9Sstevel@tonic-gate goto end; 88147c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 88157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 88167c478bd9Sstevel@tonic-gate goto end; 88177c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 88187c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 88191b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 88201b300de9Sjwahlig lsp, resop)) { 88217c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 88227c478bd9Sstevel@tonic-gate /* 88237c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 88247c478bd9Sstevel@tonic-gate * seqid matches the next expected, 88257c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 88267c478bd9Sstevel@tonic-gate */ 88277c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 88281b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88297c478bd9Sstevel@tonic-gate goto end; 88307c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 88317c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 88327c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 88337c478bd9Sstevel@tonic-gate goto end; 88347c478bd9Sstevel@tonic-gate } 88357c478bd9Sstevel@tonic-gate break; 88367c478bd9Sstevel@tonic-gate default: 88377c478bd9Sstevel@tonic-gate ASSERT(FALSE); 88387c478bd9Sstevel@tonic-gate break; 88397c478bd9Sstevel@tonic-gate } 88407c478bd9Sstevel@tonic-gate 88417c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 88427c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 88437c478bd9Sstevel@tonic-gate } 88447c478bd9Sstevel@tonic-gate 88457c478bd9Sstevel@tonic-gate /* 88467c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 88477c478bd9Sstevel@tonic-gate * verify type of object. 88487c478bd9Sstevel@tonic-gate */ 88497c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 88507c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 88517c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 88527c478bd9Sstevel@tonic-gate else 88537c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 88547c478bd9Sstevel@tonic-gate goto out; 88557c478bd9Sstevel@tonic-gate } 88567c478bd9Sstevel@tonic-gate 88577c478bd9Sstevel@tonic-gate cp = lsp->state->owner->client; 88587c478bd9Sstevel@tonic-gate 88597c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 88607c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 88617c478bd9Sstevel@tonic-gate goto out; 88627c478bd9Sstevel@tonic-gate } 88637c478bd9Sstevel@tonic-gate 88647c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->can_reclaim) { 88657c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 88667c478bd9Sstevel@tonic-gate goto out; 88677c478bd9Sstevel@tonic-gate } 88687c478bd9Sstevel@tonic-gate 88697c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 88707c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 88717c478bd9Sstevel@tonic-gate goto out; 88727c478bd9Sstevel@tonic-gate } 88737c478bd9Sstevel@tonic-gate 88747c478bd9Sstevel@tonic-gate if (lsp->state->finfo->dinfo->dtype == OPEN_DELEGATE_WRITE) 88757c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 88767c478bd9Sstevel@tonic-gate 88777c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 88781b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 88791b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 88807c478bd9Sstevel@tonic-gate 88817c478bd9Sstevel@tonic-gate out: 88827c478bd9Sstevel@tonic-gate lsp->skip_seqid_check = FALSE; 88837c478bd9Sstevel@tonic-gate 88847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 88857c478bd9Sstevel@tonic-gate 88867c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 88877c478bd9Sstevel@tonic-gate resp->LOCK4res_u.lock_stateid = lsp->lockid.stateid; 88887c478bd9Sstevel@tonic-gate lsp->lock_completed = TRUE; 88897c478bd9Sstevel@tonic-gate } 88907c478bd9Sstevel@tonic-gate /* 88917c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 88927c478bd9Sstevel@tonic-gate * lock_owner 88937c478bd9Sstevel@tonic-gate */ 88947c478bd9Sstevel@tonic-gate if (sp) 88957c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 88967c478bd9Sstevel@tonic-gate 88977c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 88987c478bd9Sstevel@tonic-gate 88997c478bd9Sstevel@tonic-gate end: 89007c478bd9Sstevel@tonic-gate if (lsp) { 89017c478bd9Sstevel@tonic-gate if (ls_sw_held) 89027c478bd9Sstevel@tonic-gate rfs4_sw_exit(&lsp->ls_sw); 89037c478bd9Sstevel@tonic-gate /* 89047c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 89057c478bd9Sstevel@tonic-gate * a lock on the file struct. 89067c478bd9Sstevel@tonic-gate */ 89077c478bd9Sstevel@tonic-gate if (sp != NULL) 89087c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 89097c478bd9Sstevel@tonic-gate else 89107c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89117c478bd9Sstevel@tonic-gate } 89127c478bd9Sstevel@tonic-gate if (sp) { 89137c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 89147c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 89157c478bd9Sstevel@tonic-gate } 8916f3b585ceSsamf 8917f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, cs, 8918f3b585ceSsamf LOCK4res *, resp); 89197c478bd9Sstevel@tonic-gate } 89207c478bd9Sstevel@tonic-gate 89217c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 89227c478bd9Sstevel@tonic-gate static void 89237c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 89247c478bd9Sstevel@tonic-gate { 89257c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 89267c478bd9Sstevel@tonic-gate 89277c478bd9Sstevel@tonic-gate switch (resop->resop) { 89287c478bd9Sstevel@tonic-gate case OP_LOCK: 89297c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 89307c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 89317c478bd9Sstevel@tonic-gate break; 89327c478bd9Sstevel@tonic-gate case OP_LOCKT: 89337c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 89347c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 89357c478bd9Sstevel@tonic-gate break; 89367c478bd9Sstevel@tonic-gate default: 89377c478bd9Sstevel@tonic-gate break; 89387c478bd9Sstevel@tonic-gate } 89397c478bd9Sstevel@tonic-gate 89407c478bd9Sstevel@tonic-gate if (dp) 89417c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 89427c478bd9Sstevel@tonic-gate } 89437c478bd9Sstevel@tonic-gate 89447c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 89457c478bd9Sstevel@tonic-gate void 89467c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 89477c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 89487c478bd9Sstevel@tonic-gate { 89497c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 89507c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 89517c478bd9Sstevel@tonic-gate nfsstat4 status; 89527c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 89537c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 89547c478bd9Sstevel@tonic-gate 8955f3b585ceSsamf DTRACE_NFSV4_2(op__locku__start, struct compound_state *, cs, 8956f3b585ceSsamf LOCKU4args *, args); 8957f3b585ceSsamf 89587c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 89597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8960f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 8961f3b585ceSsamf LOCKU4res *, resp); 89627c478bd9Sstevel@tonic-gate return; 89637c478bd9Sstevel@tonic-gate } 89647c478bd9Sstevel@tonic-gate 89657c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 89667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8967f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 8968f3b585ceSsamf LOCKU4res *, resp); 89697c478bd9Sstevel@tonic-gate return; 89707c478bd9Sstevel@tonic-gate } 89717c478bd9Sstevel@tonic-gate 89727c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 89737c478bd9Sstevel@tonic-gate if (cs->vp != lsp->state->finfo->vp) { 89747c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8976f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 8977f3b585ceSsamf LOCKU4res *, resp); 89787c478bd9Sstevel@tonic-gate return; 89797c478bd9Sstevel@tonic-gate } 89807c478bd9Sstevel@tonic-gate 89817c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 89827c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 89837c478bd9Sstevel@tonic-gate 89847c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 89857c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 89867c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 89877c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 89887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89897c478bd9Sstevel@tonic-gate goto end; 89907c478bd9Sstevel@tonic-gate } 89917c478bd9Sstevel@tonic-gate break; 89927c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 89937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89947c478bd9Sstevel@tonic-gate goto end; 89957c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 89967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 89977c478bd9Sstevel@tonic-gate goto end; 89987c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 89997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 90007c478bd9Sstevel@tonic-gate goto end; 90017c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 90027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 90037c478bd9Sstevel@tonic-gate goto end; 90047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 90057c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 90067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 90077c478bd9Sstevel@tonic-gate /* 90087c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 90097c478bd9Sstevel@tonic-gate * seqid matches the next expected, 90107c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 90117c478bd9Sstevel@tonic-gate */ 90127c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 90131b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 90147c478bd9Sstevel@tonic-gate goto end; 90157c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 90167c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 90177c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 90187c478bd9Sstevel@tonic-gate goto end; 90197c478bd9Sstevel@tonic-gate } 90207c478bd9Sstevel@tonic-gate break; 90217c478bd9Sstevel@tonic-gate default: 90227c478bd9Sstevel@tonic-gate ASSERT(FALSE); 90237c478bd9Sstevel@tonic-gate break; 90247c478bd9Sstevel@tonic-gate } 90257c478bd9Sstevel@tonic-gate 90267c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 90277c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 90287c478bd9Sstevel@tonic-gate 90297c478bd9Sstevel@tonic-gate /* 90307c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90317c478bd9Sstevel@tonic-gate * verify type of object. 90327c478bd9Sstevel@tonic-gate */ 90337c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 90347c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 90357c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 90367c478bd9Sstevel@tonic-gate else 90377c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 90387c478bd9Sstevel@tonic-gate goto out; 90397c478bd9Sstevel@tonic-gate } 90407c478bd9Sstevel@tonic-gate 90417c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(lsp->state->owner->client)) { 90427c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 90437c478bd9Sstevel@tonic-gate goto out; 90447c478bd9Sstevel@tonic-gate } 90457c478bd9Sstevel@tonic-gate 90467c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 90471b300de9Sjwahlig args->seqid, args->offset, args->length, cs->cr, resop); 90487c478bd9Sstevel@tonic-gate 90497c478bd9Sstevel@tonic-gate out: 90507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 90517c478bd9Sstevel@tonic-gate 90527c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 90537c478bd9Sstevel@tonic-gate resp->lock_stateid = lsp->lockid.stateid; 90547c478bd9Sstevel@tonic-gate 90557c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 90567c478bd9Sstevel@tonic-gate 90577c478bd9Sstevel@tonic-gate end: 90587c478bd9Sstevel@tonic-gate rfs4_sw_exit(&lsp->ls_sw); 90597c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 9060f3b585ceSsamf 9061f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9062f3b585ceSsamf LOCKU4res *, resp); 90637c478bd9Sstevel@tonic-gate } 90647c478bd9Sstevel@tonic-gate 90657c478bd9Sstevel@tonic-gate /* 90667c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 90677c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 90687c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 90697c478bd9Sstevel@tonic-gate * and can not be accurate. 90707c478bd9Sstevel@tonic-gate */ 90717c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 90727c478bd9Sstevel@tonic-gate void 90737c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 90747c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 90757c478bd9Sstevel@tonic-gate { 90767c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 90777c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 90787c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 90797c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 90807c478bd9Sstevel@tonic-gate bool_t create = FALSE; 90817c478bd9Sstevel@tonic-gate struct flock64 flk; 90827c478bd9Sstevel@tonic-gate int error; 90837c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 90847c478bd9Sstevel@tonic-gate int ltype; 90857c478bd9Sstevel@tonic-gate length4 posix_length; 90867c478bd9Sstevel@tonic-gate sysid_t sysid; 90877c478bd9Sstevel@tonic-gate pid_t pid; 90887c478bd9Sstevel@tonic-gate 9089f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__start, struct compound_state *, cs, 9090f3b585ceSsamf LOCKT4args *, args); 9091f3b585ceSsamf 90927c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 90937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9094f3b585ceSsamf goto out; 90957c478bd9Sstevel@tonic-gate } 90967c478bd9Sstevel@tonic-gate 90977c478bd9Sstevel@tonic-gate /* 90987c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90997c478bd9Sstevel@tonic-gate * verify type of object. 91007c478bd9Sstevel@tonic-gate */ 91017c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 91027c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 91037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 91047c478bd9Sstevel@tonic-gate else 91057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9106f3b585ceSsamf goto out; 91077c478bd9Sstevel@tonic-gate } 91087c478bd9Sstevel@tonic-gate 91097c478bd9Sstevel@tonic-gate /* 91107c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 91117c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 91127c478bd9Sstevel@tonic-gate */ 91137c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 91147c478bd9Sstevel@tonic-gate == NULL) { 91157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 91161b300de9Sjwahlig rfs4_check_clientid(&args->owner.clientid, 0); 9117f3b585ceSsamf goto out; 91187c478bd9Sstevel@tonic-gate } 91197c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 91207c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 91217c478bd9Sstevel@tonic-gate /* 91227c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 91237c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 91247c478bd9Sstevel@tonic-gate * is returned instead 91257c478bd9Sstevel@tonic-gate */ 91267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 9127f3b585ceSsamf goto out; 91287c478bd9Sstevel@tonic-gate } 91297c478bd9Sstevel@tonic-gate 9130661cedadSvv if (rfs4_clnt_in_grace(cp) && !(cp->can_reclaim)) { 91317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 9132661cedadSvv rfs4_client_rele(cp); 9133f3b585ceSsamf goto out; 91347c478bd9Sstevel@tonic-gate } 91357c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 91367c478bd9Sstevel@tonic-gate 91377c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 91387c478bd9Sstevel@tonic-gate 91397c478bd9Sstevel@tonic-gate switch (args->locktype) { 91407c478bd9Sstevel@tonic-gate case READ_LT: 91417c478bd9Sstevel@tonic-gate case READW_LT: 91427c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 91437c478bd9Sstevel@tonic-gate break; 91447c478bd9Sstevel@tonic-gate case WRITE_LT: 91457c478bd9Sstevel@tonic-gate case WRITEW_LT: 91467c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 91477c478bd9Sstevel@tonic-gate break; 91487c478bd9Sstevel@tonic-gate } 91497c478bd9Sstevel@tonic-gate 91507c478bd9Sstevel@tonic-gate posix_length = args->length; 91517c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 91527c478bd9Sstevel@tonic-gate if (posix_length == 0) { 91537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9154f3b585ceSsamf goto out; 91557c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 91567c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 91577c478bd9Sstevel@tonic-gate } 91587c478bd9Sstevel@tonic-gate 91597c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 91607c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 91617c478bd9Sstevel@tonic-gate 91627c478bd9Sstevel@tonic-gate if (lo) { 91637c478bd9Sstevel@tonic-gate pid = lo->pid; 91647c478bd9Sstevel@tonic-gate if ((resp->status = 91651b300de9Sjwahlig rfs4_client_sysid(lo->client, &sysid)) != NFS4_OK) 9166f3b585ceSsamf goto err; 91677c478bd9Sstevel@tonic-gate } else { 91687c478bd9Sstevel@tonic-gate pid = 0; 91697c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 91707c478bd9Sstevel@tonic-gate } 91717c478bd9Sstevel@tonic-gate retry: 91727c478bd9Sstevel@tonic-gate flk.l_type = ltype; 91737c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 91747c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 91757c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 91767c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 91777c478bd9Sstevel@tonic-gate flk.l_pid = pid; 91787c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 91797c478bd9Sstevel@tonic-gate 91807c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 91817c478bd9Sstevel@tonic-gate 91827c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 91837c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 91847c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 9185f3b585ceSsamf goto err; 91867c478bd9Sstevel@tonic-gate } 91877c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 9188da6c28aaSamw NULL, cs->cr, NULL); 91897c478bd9Sstevel@tonic-gate 91907c478bd9Sstevel@tonic-gate /* 91917c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 91927c478bd9Sstevel@tonic-gate * than puterrno4 routine. 91937c478bd9Sstevel@tonic-gate */ 91947c478bd9Sstevel@tonic-gate switch (error) { 91957c478bd9Sstevel@tonic-gate case 0: 91967c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 91977c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 91987c478bd9Sstevel@tonic-gate else { 91997c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 92007c478bd9Sstevel@tonic-gate goto retry; 92017c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 92027c478bd9Sstevel@tonic-gate } 92037c478bd9Sstevel@tonic-gate break; 92047c478bd9Sstevel@tonic-gate case EOVERFLOW: 92057c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 92067c478bd9Sstevel@tonic-gate break; 92077c478bd9Sstevel@tonic-gate case EINVAL: 92087c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 92097c478bd9Sstevel@tonic-gate break; 92107c478bd9Sstevel@tonic-gate default: 92117c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 92121b300de9Sjwahlig error); 92137c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 92147c478bd9Sstevel@tonic-gate break; 92157c478bd9Sstevel@tonic-gate } 92167c478bd9Sstevel@tonic-gate 9217f3b585ceSsamf err: 92187c478bd9Sstevel@tonic-gate if (lo) 92197c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 92207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 9221f3b585ceSsamf out: 9222f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__done, struct compound_state *, cs, 9223f3b585ceSsamf LOCKT4res *, resp); 92247c478bd9Sstevel@tonic-gate } 92257c478bd9Sstevel@tonic-gate 92267c478bd9Sstevel@tonic-gate static int 92277c478bd9Sstevel@tonic-gate vop_shrlock(vnode_t *vp, int cmd, struct shrlock *sp, int fflags) 92287c478bd9Sstevel@tonic-gate { 92297c478bd9Sstevel@tonic-gate int err; 92307c478bd9Sstevel@tonic-gate 92317c478bd9Sstevel@tonic-gate if (cmd == F_UNSHARE && sp->s_deny == 0 && sp->s_access == 0) 92327c478bd9Sstevel@tonic-gate return (0); 92337c478bd9Sstevel@tonic-gate 9234da6c28aaSamw err = VOP_SHRLOCK(vp, cmd, sp, fflags, CRED(), NULL); 92357c478bd9Sstevel@tonic-gate 92367c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_shrlock_debug, 92371b300de9Sjwahlig (CE_NOTE, "rfs4_shrlock %s vp=%p acc=%d dny=%d sysid=%d " 9238da6c28aaSamw "pid=%d err=%d\n", cmd == F_UNSHARE ? "UNSHR" : "SHARE", 92391b300de9Sjwahlig (void *) vp, sp->s_access, sp->s_deny, sp->s_sysid, sp->s_pid, 92401b300de9Sjwahlig err)); 92417c478bd9Sstevel@tonic-gate 92427c478bd9Sstevel@tonic-gate return (err); 92437c478bd9Sstevel@tonic-gate } 92447c478bd9Sstevel@tonic-gate 92457c478bd9Sstevel@tonic-gate static int 92467c478bd9Sstevel@tonic-gate rfs4_shrlock(rfs4_state_t *sp, int cmd) 92477c478bd9Sstevel@tonic-gate { 92487c478bd9Sstevel@tonic-gate struct shrlock shr; 92497c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 92507c478bd9Sstevel@tonic-gate int fflags; 92517c478bd9Sstevel@tonic-gate 92527c478bd9Sstevel@tonic-gate fflags = shr.s_access = shr.s_deny = 0; 92537c478bd9Sstevel@tonic-gate 92547c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_READ) { 92557c478bd9Sstevel@tonic-gate fflags |= FREAD; 92567c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 92577c478bd9Sstevel@tonic-gate } 92587c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_WRITE) { 92597c478bd9Sstevel@tonic-gate fflags |= FWRITE; 92607c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 92617c478bd9Sstevel@tonic-gate } 92627c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_READ) 92637c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 92647c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_WRITE) 92657c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 92667c478bd9Sstevel@tonic-gate 92677c478bd9Sstevel@tonic-gate shr.s_pid = rfs4_dbe_getid(sp->owner->dbe); 92687c478bd9Sstevel@tonic-gate shr.s_sysid = sp->owner->client->sysidt; 92697c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 92707c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 92717c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 92727c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 92737c478bd9Sstevel@tonic-gate return (vop_shrlock(sp->finfo->vp, cmd, &shr, fflags)); 92747c478bd9Sstevel@tonic-gate } 92757c478bd9Sstevel@tonic-gate 92767c478bd9Sstevel@tonic-gate static int 92777c478bd9Sstevel@tonic-gate rfs4_share(rfs4_state_t *sp) 92787c478bd9Sstevel@tonic-gate { 9279da6c28aaSamw int cmd; 9280da6c28aaSamw cmd = nbl_need_check(sp->finfo->vp) ? F_SHARE_NBMAND : F_SHARE; 9281da6c28aaSamw return (rfs4_shrlock(sp, cmd)); 92827c478bd9Sstevel@tonic-gate } 92837c478bd9Sstevel@tonic-gate 92847c478bd9Sstevel@tonic-gate void 92857c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 92867c478bd9Sstevel@tonic-gate { 92877c478bd9Sstevel@tonic-gate (void) rfs4_shrlock(sp, F_UNSHARE); 92887c478bd9Sstevel@tonic-gate } 92890a701b1eSRobert Gordon 92900a701b1eSRobert Gordon static int 92910a701b1eSRobert Gordon rdma_setup_read_data4(READ4args * args, READ4res * rok) 92920a701b1eSRobert Gordon { 92930a701b1eSRobert Gordon struct clist *wcl; 92940a701b1eSRobert Gordon int data_len, avail_len, num; 92950a701b1eSRobert Gordon count4 count = rok->data_len; 92960a701b1eSRobert Gordon 92970a701b1eSRobert Gordon data_len = num = avail_len = 0; 92980a701b1eSRobert Gordon 92990a701b1eSRobert Gordon wcl = args->wlist; 93000a701b1eSRobert Gordon while (wcl != NULL) { 93010a701b1eSRobert Gordon if (wcl->c_dmemhandle.mrc_rmr == 0) 93020a701b1eSRobert Gordon break; 93030a701b1eSRobert Gordon 93040a701b1eSRobert Gordon avail_len += wcl->c_len; 93050a701b1eSRobert Gordon if (wcl->c_len < count) { 93060a701b1eSRobert Gordon data_len += wcl->c_len; 93070a701b1eSRobert Gordon } else { 93080a701b1eSRobert Gordon /* Can make the rest chunks all 0-len */ 93090a701b1eSRobert Gordon data_len += count; 93100a701b1eSRobert Gordon wcl->c_len = count; 93110a701b1eSRobert Gordon } 93120a701b1eSRobert Gordon count -= wcl->c_len; 93130a701b1eSRobert Gordon num++; 93140a701b1eSRobert Gordon wcl = wcl->c_next; 93150a701b1eSRobert Gordon } 93160a701b1eSRobert Gordon 93170a701b1eSRobert Gordon /* 93180a701b1eSRobert Gordon * MUST fail if there are still more data 93190a701b1eSRobert Gordon */ 93200a701b1eSRobert Gordon if (count > 0) { 93210a701b1eSRobert Gordon DTRACE_PROBE2(nfss__e__read4_wlist_fail, 93220a701b1eSRobert Gordon int, data_len, int, count); 93230a701b1eSRobert Gordon return (FALSE); 93240a701b1eSRobert Gordon } 93250a701b1eSRobert Gordon wcl = args->wlist; 93260a701b1eSRobert Gordon rok->data_len = data_len; 93270a701b1eSRobert Gordon rok->wlist_len = data_len; 93280a701b1eSRobert Gordon rok->wlist = wcl; 93290a701b1eSRobert Gordon 93300a701b1eSRobert Gordon return (TRUE); 93310a701b1eSRobert Gordon } 9332