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 /* 225679c89fSjv * 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> 575679c89fSjv #include <sys/zone.h> 587c478bd9Sstevel@tonic-gate 59*2f172c55SRobert Thurlow #include <fs/fs_reparse.h> 60*2f172c55SRobert Thurlow 617c478bd9Sstevel@tonic-gate #include <rpc/types.h> 627c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 637c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 647c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 677c478bd9Sstevel@tonic-gate #include <nfs/export.h> 68b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <nfs/nfs_cmd.h> 697c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 707c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 737c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate #include <inet/common.h> 767c478bd9Sstevel@tonic-gate #include <inet/ip.h> 777c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 787c478bd9Sstevel@tonic-gate 7945916cd2Sjpk #include <sys/tsol/label.h> 8045916cd2Sjpk #include <sys/tsol/tndb.h> 8145916cd2Sjpk 827c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 837c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 847c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 850a701b1eSRobert Gordon static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 860a701b1eSRobert Gordon extern struct svc_ops rdma_svc_ops; 877c478bd9Sstevel@tonic-gate 880a701b1eSRobert Gordon static int rdma_setup_read_data4(READ4args *, READ4res *); 890a701b1eSRobert Gordon 907c478bd9Sstevel@tonic-gate /* 917c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 927c478bd9Sstevel@tonic-gate */ 937c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* 967c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 977c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 987c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 997c478bd9Sstevel@tonic-gate * XDR encoded dirent. 1007c478bd9Sstevel@tonic-gate * 1017c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 1027c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1037c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1047c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1057c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1067c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1077c478bd9Sstevel@tonic-gate * 1087c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1097c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1107c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1117c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1127c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1137c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1147c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1157c478bd9Sstevel@tonic-gate * 1167c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1177c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1187c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1197c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1207c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1217c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1227c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1237c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1247c478bd9Sstevel@tonic-gate */ 1257c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1267c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1277c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1287c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate /* 1317c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1327c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1337c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1347c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1357c478bd9Sstevel@tonic-gate * UTF8 functions. 1367c478bd9Sstevel@tonic-gate * 1377c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1387c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1397c478bd9Sstevel@tonic-gate * 1407c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1417c478bd9Sstevel@tonic-gate * 1427c478bd9Sstevel@tonic-gate */ 1437c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1447c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1497c478bd9Sstevel@tonic-gate 1500a701b1eSRobert Gordon u_longlong_t nfs4_srv_caller_id; 1510a701b1eSRobert Gordon uint_t nfs4_srv_vkey = 0; 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1547c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1557c478bd9Sstevel@tonic-gate 1560a701b1eSRobert Gordon void rfs4_init_compound_state(struct compound_state *); 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1597c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1607c478bd9Sstevel@tonic-gate struct compound_state *); 1617c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1627c478bd9Sstevel@tonic-gate struct compound_state *); 1637c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1647c478bd9Sstevel@tonic-gate struct compound_state *); 1657c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1667c478bd9Sstevel@tonic-gate struct compound_state *); 1677c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1687c478bd9Sstevel@tonic-gate struct compound_state *); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1707c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 171f3b585ceSsamf struct svc_req *, struct compound_state *); 172f3b585ceSsamf static void rfs4_op_delegpurge(nfs_argop4 *, nfs_resop4 *, 173f3b585ceSsamf struct svc_req *, struct compound_state *); 1747c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1757c478bd9Sstevel@tonic-gate struct compound_state *); 1767c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1777c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1787c478bd9Sstevel@tonic-gate struct compound_state *); 1797c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1807c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1817c478bd9Sstevel@tonic-gate struct compound_state *); 1827c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1837c478bd9Sstevel@tonic-gate struct compound_state *); 1847c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1857c478bd9Sstevel@tonic-gate struct compound_state *); 1867c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1877c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1887c478bd9Sstevel@tonic-gate struct compound_state *); 1897c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1907c478bd9Sstevel@tonic-gate struct compound_state *); 1917c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1927c478bd9Sstevel@tonic-gate struct compound_state *); 1937c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1947c478bd9Sstevel@tonic-gate struct compound_state *); 1957c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 1967c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 1977c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1987c478bd9Sstevel@tonic-gate struct compound_state *); 1997c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2007c478bd9Sstevel@tonic-gate struct compound_state *); 2017c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 2027c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2037c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 2047c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2057c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2067c478bd9Sstevel@tonic-gate struct compound_state *); 2077c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2087c478bd9Sstevel@tonic-gate struct compound_state *); 2097c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2107c478bd9Sstevel@tonic-gate struct compound_state *); 2117c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2127c478bd9Sstevel@tonic-gate struct compound_state *); 2137c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2147c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2157c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2167c478bd9Sstevel@tonic-gate struct compound_state *); 2177c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2187c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2197c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2207c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2217c478bd9Sstevel@tonic-gate struct compound_state *); 2227c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2237c478bd9Sstevel@tonic-gate struct compound_state *); 2247c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2257c478bd9Sstevel@tonic-gate struct compound_state *); 2267c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2277c478bd9Sstevel@tonic-gate struct compound_state *); 2287c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2297c478bd9Sstevel@tonic-gate struct compound_state *); 2307c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2317c478bd9Sstevel@tonic-gate struct compound_state *); 2327c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2337c478bd9Sstevel@tonic-gate struct compound_state *); 2347c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2357c478bd9Sstevel@tonic-gate struct compound_state *); 2367c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2377c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2387c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2397c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2407c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2417c478bd9Sstevel@tonic-gate struct compound_state *); 2427c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2457c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2467c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 247*2f172c55SRobert Thurlow void rfs4_ss_clid(rfs4_client_t *); 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate /* 2507c478bd9Sstevel@tonic-gate * translation table for attrs 2517c478bd9Sstevel@tonic-gate */ 2527c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2537c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2547c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2557c478bd9Sstevel@tonic-gate int attrcnt; 2567c478bd9Sstevel@tonic-gate bool_t vfsstat; 2577c478bd9Sstevel@tonic-gate }; 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2607c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2617c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2647c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2657c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2667c478bd9Sstevel@tonic-gate 2670a701b1eSRobert Gordon fem_t *deleg_rdops; 2680a701b1eSRobert Gordon fem_t *deleg_wrops; 2697c478bd9Sstevel@tonic-gate 2700a701b1eSRobert Gordon rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2710a701b1eSRobert Gordon kmutex_t rfs4_servinst_lock; /* protects linked list */ 2727c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate /* 2757c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2767c478bd9Sstevel@tonic-gate */ 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate struct rfsv4disp { 2797c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2807c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2817c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2827c478bd9Sstevel@tonic-gate }; 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2857c478bd9Sstevel@tonic-gate /* 2867c478bd9Sstevel@tonic-gate * NFS VERSION 4 2877c478bd9Sstevel@tonic-gate */ 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2907c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2917c478bd9Sstevel@tonic-gate 2927c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2937c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 2967c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 2997c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3027c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3057c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3087c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 311f3b585ceSsamf {rfs4_op_delegpurge, nullfree, 0}, 3127c478bd9Sstevel@tonic-gate 3137c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3147c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3177c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3207c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3237c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3267c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3297c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3327c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3350a701b1eSRobert Gordon {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3380a701b1eSRobert Gordon {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3417c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3447c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3477c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3507c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3537c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3547c478bd9Sstevel@tonic-gate 3557c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3567c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3597c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3627c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3657c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3687c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3697c478bd9Sstevel@tonic-gate 3707c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3717c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3727c478bd9Sstevel@tonic-gate 3737c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3747c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3777c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3807c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3837c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3867c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3897c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3907c478bd9Sstevel@tonic-gate 3917c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3927c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3957c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 3987c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 4017c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4047c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4077c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4087c478bd9Sstevel@tonic-gate }; 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate #ifdef DEBUG 4157c478bd9Sstevel@tonic-gate 4160a701b1eSRobert Gordon int rfs4_fillone_debug = 0; 4170a701b1eSRobert Gordon int rfs4_no_stub_access = 1; 4180a701b1eSRobert Gordon int rfs4_rddir_debug = 0; 4197c478bd9Sstevel@tonic-gate 4200a701b1eSRobert Gordon static char *rfs4_op_string[] = { 4217c478bd9Sstevel@tonic-gate "rfs4_op_null", 4227c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4237c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4247c478bd9Sstevel@tonic-gate "rfs4_op_access", 4257c478bd9Sstevel@tonic-gate "rfs4_op_close", 4267c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4277c478bd9Sstevel@tonic-gate "rfs4_op_create", 4287c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4297c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4307c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4317c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4327c478bd9Sstevel@tonic-gate "rfs4_op_link", 4337c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4347c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4357c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4367c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4377c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4387c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4397c478bd9Sstevel@tonic-gate "rfs4_op_open", 4407c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4417c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4427c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4437c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4447c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4457c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4467c478bd9Sstevel@tonic-gate "rfs4_op_read", 4477c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4487c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4497c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4507c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4517c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4527c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4537c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4547c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4557c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4567c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4577c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4587c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4597c478bd9Sstevel@tonic-gate "rfs4_op_write", 4607c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4617c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4627c478bd9Sstevel@tonic-gate }; 4637c478bd9Sstevel@tonic-gate #endif 4647c478bd9Sstevel@tonic-gate 4650a701b1eSRobert Gordon void rfs4_ss_chkclid(rfs4_client_t *); 4667c478bd9Sstevel@tonic-gate 4670a701b1eSRobert Gordon extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 468cee86682Scalum 469*2f172c55SRobert Thurlow extern void rfs4_free_fs_locations4(fs_locations4 *); 470*2f172c55SRobert Thurlow 4717c478bd9Sstevel@tonic-gate #ifdef nextdp 4727c478bd9Sstevel@tonic-gate #undef nextdp 4737c478bd9Sstevel@tonic-gate #endif 4747c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 477cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 478cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 479cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 480aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 481cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 482cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 483cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_rd_vnevent }, 484aa59c4cbSrsb NULL, NULL 4857c478bd9Sstevel@tonic-gate }; 4867c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 487cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 488cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 489cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 490cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 491aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 492cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 493cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 494cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_wr_vnevent }, 495aa59c4cbSrsb NULL, NULL 4967c478bd9Sstevel@tonic-gate }; 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate int 4997c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 5007c478bd9Sstevel@tonic-gate { 5017c478bd9Sstevel@tonic-gate timespec32_t verf; 5027c478bd9Sstevel@tonic-gate int error; 5037c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5047c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5057c478bd9Sstevel@tonic-gate 5067c478bd9Sstevel@tonic-gate /* 5077c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5087c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5097c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5107c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5117c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5127c478bd9Sstevel@tonic-gate * different servers. 5137c478bd9Sstevel@tonic-gate * 5147c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5157c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5167c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5177c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5187c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5197c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5207c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5217c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5227c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5237c478bd9Sstevel@tonic-gate */ 5245679c89fSjv verf.tv_sec = (time_t)zone_get_hostid(NULL); 5257c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5267c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5277c478bd9Sstevel@tonic-gate } else { 5287c478bd9Sstevel@tonic-gate timespec_t tverf; 5297c478bd9Sstevel@tonic-gate 5307c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5317c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5327c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5387c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5397c478bd9Sstevel@tonic-gate 5407c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5417c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5427c478bd9Sstevel@tonic-gate 5437c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5447c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5477c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5487c478bd9Sstevel@tonic-gate 5497c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5507c478bd9Sstevel@tonic-gate if (error != 0) { 5517c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5527c478bd9Sstevel@tonic-gate } else { 5537c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5541b300de9Sjwahlig &deleg_wrops); 5557c478bd9Sstevel@tonic-gate if (error != 0) { 5567c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5577c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5587c478bd9Sstevel@tonic-gate } 5597c478bd9Sstevel@tonic-gate } 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5647c478bd9Sstevel@tonic-gate 5651b300de9Sjwahlig vsd_create(&nfs4_srv_vkey, NULL); 5661b300de9Sjwahlig 5677c478bd9Sstevel@tonic-gate return (0); 5687c478bd9Sstevel@tonic-gate } 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate void 5717c478bd9Sstevel@tonic-gate rfs4_srvrfini(void) 5727c478bd9Sstevel@tonic-gate { 5737c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate if (lockt_sysid != LM_NOSYSID) { 5767c478bd9Sstevel@tonic-gate lm_free_sysidt(lockt_sysid); 5777c478bd9Sstevel@tonic-gate lockt_sysid = LM_NOSYSID; 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_deleg_lock); 5817c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_state_lock); 5827c478bd9Sstevel@tonic-gate rw_destroy(&rfs4_deleg_policy_lock); 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5857c478bd9Sstevel@tonic-gate fem_free(deleg_wrops); 5867c478bd9Sstevel@tonic-gate } 5877c478bd9Sstevel@tonic-gate 5887c478bd9Sstevel@tonic-gate void 5897c478bd9Sstevel@tonic-gate rfs4_init_compound_state(struct compound_state *cs) 5907c478bd9Sstevel@tonic-gate { 5917c478bd9Sstevel@tonic-gate bzero(cs, sizeof (*cs)); 5927c478bd9Sstevel@tonic-gate cs->cont = TRUE; 5937c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_DENIED; 5947c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 5957c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 5967c478bd9Sstevel@tonic-gate cs->fh.nfs_fh4_val = cs->fhbuf; 5977c478bd9Sstevel@tonic-gate } 5987c478bd9Sstevel@tonic-gate 5997c478bd9Sstevel@tonic-gate void 6007c478bd9Sstevel@tonic-gate rfs4_grace_start(rfs4_servinst_t *sip) 6017c478bd9Sstevel@tonic-gate { 6027c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 603d3d50737SRafael Vanoni sip->start_time = (time_t)TICK_TO_SEC(ddi_get_lbolt()); 6047c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6057c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6067c478bd9Sstevel@tonic-gate } 6077c478bd9Sstevel@tonic-gate 6087c478bd9Sstevel@tonic-gate /* 6097c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6107c478bd9Sstevel@tonic-gate */ 6117c478bd9Sstevel@tonic-gate int 6127c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6137c478bd9Sstevel@tonic-gate { 6147c478bd9Sstevel@tonic-gate time_t start_time; 6157c478bd9Sstevel@tonic-gate 6167c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6177c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6187c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate return (start_time == 0); 6217c478bd9Sstevel@tonic-gate } 6227c478bd9Sstevel@tonic-gate 6237c478bd9Sstevel@tonic-gate /* 6247c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6257c478bd9Sstevel@tonic-gate * grace period. 6267c478bd9Sstevel@tonic-gate */ 6277c478bd9Sstevel@tonic-gate int 6287c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6297c478bd9Sstevel@tonic-gate { 6307c478bd9Sstevel@tonic-gate time_t grace_expiry; 6317c478bd9Sstevel@tonic-gate 6327c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6337c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6347c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6357c478bd9Sstevel@tonic-gate 636d3d50737SRafael Vanoni return (((time_t)TICK_TO_SEC(ddi_get_lbolt())) < grace_expiry); 6377c478bd9Sstevel@tonic-gate } 6387c478bd9Sstevel@tonic-gate 6397c478bd9Sstevel@tonic-gate int 6407c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6417c478bd9Sstevel@tonic-gate { 642d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 6437c478bd9Sstevel@tonic-gate 644d216dff5SRobert Mastors return (rfs4_servinst_in_grace(cp->rc_server_instance)); 6457c478bd9Sstevel@tonic-gate } 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate /* 6487c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6497c478bd9Sstevel@tonic-gate */ 6507c478bd9Sstevel@tonic-gate void 6517c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6527c478bd9Sstevel@tonic-gate { 6537c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6547c478bd9Sstevel@tonic-gate 6557c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 656cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 657cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6587c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6597c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6607c478bd9Sstevel@tonic-gate } 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate /* 6637c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6647c478bd9Sstevel@tonic-gate */ 6657c478bd9Sstevel@tonic-gate void 6667c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6677c478bd9Sstevel@tonic-gate { 6687c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6697c478bd9Sstevel@tonic-gate 6707c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 671cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6727c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6737c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6747c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 675cee86682Scalum } 676cee86682Scalum 677cee86682Scalum static rfs4_dss_path_t * 678cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 679cee86682Scalum { 680cee86682Scalum size_t len; 681cee86682Scalum rfs4_dss_path_t *dss_path; 682cee86682Scalum 683cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 684cee86682Scalum 685cee86682Scalum /* 686cee86682Scalum * Take a copy of the string, since the original may be overwritten. 687cee86682Scalum * Sadly, no strdup() in the kernel. 688cee86682Scalum */ 689cee86682Scalum /* allow for NUL */ 690cee86682Scalum len = strlen(path) + 1; 691cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 692cee86682Scalum (void) strlcpy(dss_path->path, path, len); 693cee86682Scalum 694cee86682Scalum /* associate with servinst */ 695cee86682Scalum dss_path->sip = sip; 696cee86682Scalum dss_path->index = index; 697cee86682Scalum 698cee86682Scalum /* 699cee86682Scalum * Add to list of served paths. 700cee86682Scalum * No locking required, as we're only ever called at startup. 701cee86682Scalum */ 702cee86682Scalum if (rfs4_dss_pathlist == NULL) { 703cee86682Scalum /* this is the first dss_path_t */ 7047c478bd9Sstevel@tonic-gate 705cee86682Scalum /* needed for insque/remque */ 706cee86682Scalum dss_path->next = dss_path->prev = dss_path; 707cee86682Scalum 708cee86682Scalum rfs4_dss_pathlist = dss_path; 709cee86682Scalum } else { 710cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 711cee86682Scalum } 712cee86682Scalum 713cee86682Scalum return (dss_path); 7147c478bd9Sstevel@tonic-gate } 7157c478bd9Sstevel@tonic-gate 7167c478bd9Sstevel@tonic-gate /* 7177c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7187c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7197c478bd9Sstevel@tonic-gate * recovery window. 7207c478bd9Sstevel@tonic-gate */ 7217c478bd9Sstevel@tonic-gate void 722cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7237c478bd9Sstevel@tonic-gate { 724cee86682Scalum unsigned i; 7257c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 726cee86682Scalum rfs4_oldstate_t *oldstate; 7277c478bd9Sstevel@tonic-gate 7287c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7297c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7307c478bd9Sstevel@tonic-gate 7317c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7327c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7337c478bd9Sstevel@tonic-gate sip->next = NULL; 7347c478bd9Sstevel@tonic-gate sip->prev = NULL; 7357c478bd9Sstevel@tonic-gate 736cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 737cee86682Scalum /* 738cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 739cee86682Scalum * It must be skipped over whenever the list is traversed. 740cee86682Scalum */ 741cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 742cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 743cee86682Scalum oldstate->next = oldstate; 744cee86682Scalum oldstate->prev = oldstate; 745cee86682Scalum sip->oldstate = oldstate; 746cee86682Scalum 747cee86682Scalum 748cee86682Scalum sip->dss_npaths = dss_npaths; 749cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 750cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 751cee86682Scalum 752cee86682Scalum for (i = 0; i < dss_npaths; i++) { 753cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 754cee86682Scalum } 755cee86682Scalum 7567c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 757cee86682Scalum if (rfs4_cur_servinst != NULL) { 7587c478bd9Sstevel@tonic-gate /* add to linked list */ 7597c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7607c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7617c478bd9Sstevel@tonic-gate } 7627c478bd9Sstevel@tonic-gate if (start_grace) 7637c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7647c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7657c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7667c478bd9Sstevel@tonic-gate 767cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7687c478bd9Sstevel@tonic-gate } 7697c478bd9Sstevel@tonic-gate 7707c478bd9Sstevel@tonic-gate /* 7717c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7727c478bd9Sstevel@tonic-gate * all instances directly. 7737c478bd9Sstevel@tonic-gate */ 7747c478bd9Sstevel@tonic-gate void 7757c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7767c478bd9Sstevel@tonic-gate { 7777c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7787c478bd9Sstevel@tonic-gate #ifdef DEBUG 7797c478bd9Sstevel@tonic-gate int n = 0; 7807c478bd9Sstevel@tonic-gate #endif 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7837c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7847c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7857c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7867c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7877c478bd9Sstevel@tonic-gate prev = sip->prev; 7887c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 789cee86682Scalum if (sip->oldstate) 790cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 791cee86682Scalum if (sip->dss_paths) 792cee86682Scalum kmem_free(sip->dss_paths, 793cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7947c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7957c478bd9Sstevel@tonic-gate #ifdef DEBUG 7967c478bd9Sstevel@tonic-gate n++; 7977c478bd9Sstevel@tonic-gate #endif 7987c478bd9Sstevel@tonic-gate } 7997c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8007c478bd9Sstevel@tonic-gate } 8017c478bd9Sstevel@tonic-gate 8027c478bd9Sstevel@tonic-gate /* 8037c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 804d216dff5SRobert Mastors * Should be called with cp->rc_dbe held. 8057c478bd9Sstevel@tonic-gate */ 8067c478bd9Sstevel@tonic-gate void 8077c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8087c478bd9Sstevel@tonic-gate { 809d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8107c478bd9Sstevel@tonic-gate 8117c478bd9Sstevel@tonic-gate /* 8127c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8137c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8147c478bd9Sstevel@tonic-gate */ 8157c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 816d216dff5SRobert Mastors cp->rc_server_instance = sip; 8177c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8187c478bd9Sstevel@tonic-gate } 8197c478bd9Sstevel@tonic-gate 8207c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8217c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8227c478bd9Sstevel@tonic-gate { 823d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8247c478bd9Sstevel@tonic-gate 825d216dff5SRobert Mastors return (cp->rc_server_instance); 8267c478bd9Sstevel@tonic-gate } 8277c478bd9Sstevel@tonic-gate 8287c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8297c478bd9Sstevel@tonic-gate static void 8307c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8317c478bd9Sstevel@tonic-gate { 8327c478bd9Sstevel@tonic-gate } 8337c478bd9Sstevel@tonic-gate 8347c478bd9Sstevel@tonic-gate /* 8357c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8367c478bd9Sstevel@tonic-gate */ 8377c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8387c478bd9Sstevel@tonic-gate static void 8397c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8407c478bd9Sstevel@tonic-gate struct compound_state *cs) 8417c478bd9Sstevel@tonic-gate { 8427c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8437c478bd9Sstevel@tonic-gate } 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate /* 8467c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8477c478bd9Sstevel@tonic-gate */ 8487c478bd9Sstevel@tonic-gate bool_t 8497c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8507c478bd9Sstevel@tonic-gate { 8517c478bd9Sstevel@tonic-gate int i; 8527c478bd9Sstevel@tonic-gate 8537c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8547c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8557c478bd9Sstevel@tonic-gate return (TRUE); 8567c478bd9Sstevel@tonic-gate } 8577c478bd9Sstevel@tonic-gate return (FALSE); 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate /* 8617c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8627c478bd9Sstevel@tonic-gate * export structure associated with the component. 8637c478bd9Sstevel@tonic-gate */ 8647c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8657c478bd9Sstevel@tonic-gate static nfsstat4 8667c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8677c478bd9Sstevel@tonic-gate { 8687c478bd9Sstevel@tonic-gate int error, different_export = 0; 8697c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8707c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8717c478bd9Sstevel@tonic-gate fid_t fid; 8727c478bd9Sstevel@tonic-gate uint_t count, i; 8737c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8747c478bd9Sstevel@tonic-gate struct secinfo *secp; 8751b300de9Sjwahlig seconfig_t *si; 8767c478bd9Sstevel@tonic-gate bool_t did_traverse; 8777c478bd9Sstevel@tonic-gate int dotdot, walk; 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate dvp = cs->vp; 8807c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8817c478bd9Sstevel@tonic-gate 8827c478bd9Sstevel@tonic-gate /* 8837c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8847c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8857c478bd9Sstevel@tonic-gate */ 8867c478bd9Sstevel@tonic-gate if (dotdot) { 8877c478bd9Sstevel@tonic-gate 8887c478bd9Sstevel@tonic-gate /* 8897c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8907c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8917c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8927c478bd9Sstevel@tonic-gate */ 8937c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8947c478bd9Sstevel@tonic-gate 8957c478bd9Sstevel@tonic-gate /* 8967c478bd9Sstevel@tonic-gate * If at the system root, then can 8977c478bd9Sstevel@tonic-gate * go up no further. 8987c478bd9Sstevel@tonic-gate */ 8997c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 9007c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9017c478bd9Sstevel@tonic-gate 9027c478bd9Sstevel@tonic-gate /* 9037c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9047c478bd9Sstevel@tonic-gate */ 9057c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9067c478bd9Sstevel@tonic-gate 9077c478bd9Sstevel@tonic-gate /* 9087c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9097c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9107c478bd9Sstevel@tonic-gate * this new filesystem. 9117c478bd9Sstevel@tonic-gate */ 9127c478bd9Sstevel@tonic-gate different_export = 1; 9137c478bd9Sstevel@tonic-gate } else { 9147c478bd9Sstevel@tonic-gate 9157c478bd9Sstevel@tonic-gate /* 9167c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9177c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9187c478bd9Sstevel@tonic-gate */ 9197c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9207c478bd9Sstevel@tonic-gate } 9217c478bd9Sstevel@tonic-gate } 9227c478bd9Sstevel@tonic-gate 9237c478bd9Sstevel@tonic-gate /* 9247c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9257c478bd9Sstevel@tonic-gate */ 926da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 927da6c28aaSamw NULL, NULL, NULL); 9287c478bd9Sstevel@tonic-gate if (error) 9297c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9307c478bd9Sstevel@tonic-gate 9317c478bd9Sstevel@tonic-gate /* 9327c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9337c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9347c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9357c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9367c478bd9Sstevel@tonic-gate */ 9377c478bd9Sstevel@tonic-gate if (!different_export && 9387c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9397c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9407c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9417c478bd9Sstevel@tonic-gate VN_RELE(vp); 9427c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9437c478bd9Sstevel@tonic-gate } 9447c478bd9Sstevel@tonic-gate } 9457c478bd9Sstevel@tonic-gate 9467c478bd9Sstevel@tonic-gate /* 9477c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9487c478bd9Sstevel@tonic-gate */ 9497c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 9507c478bd9Sstevel@tonic-gate tvp = vp; 9517c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 9527c478bd9Sstevel@tonic-gate VN_RELE(vp); 9537c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9547c478bd9Sstevel@tonic-gate } 9557c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9567c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9577c478bd9Sstevel@tonic-gate vp = tvp; 9587c478bd9Sstevel@tonic-gate different_export = 1; 9597c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9607c478bd9Sstevel@tonic-gate /* 9617c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9627c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9637c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9647c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9657c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9667c478bd9Sstevel@tonic-gate * traverse) 9677c478bd9Sstevel@tonic-gate */ 9687c478bd9Sstevel@tonic-gate different_export = 1; 9697c478bd9Sstevel@tonic-gate did_traverse = FALSE; 9707c478bd9Sstevel@tonic-gate } 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate /* 9737c478bd9Sstevel@tonic-gate * Get the export information for it. 9747c478bd9Sstevel@tonic-gate */ 9757c478bd9Sstevel@tonic-gate if (different_export) { 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9787c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9797c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9807c478bd9Sstevel@tonic-gate if (error) { 9817c478bd9Sstevel@tonic-gate VN_RELE(vp); 9827c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9837c478bd9Sstevel@tonic-gate } 9847c478bd9Sstevel@tonic-gate 9857c478bd9Sstevel@tonic-gate if (dotdot) 9867c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9877c478bd9Sstevel@tonic-gate else 9887c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9897c478bd9Sstevel@tonic-gate 9907c478bd9Sstevel@tonic-gate if (exi == NULL) { 9917c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9927c478bd9Sstevel@tonic-gate /* 9937c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9947c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9957c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9967c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9977c478bd9Sstevel@tonic-gate * vnode lives in. 9987c478bd9Sstevel@tonic-gate */ 9997c478bd9Sstevel@tonic-gate exi = cs->exi; 10007c478bd9Sstevel@tonic-gate } else { 10017c478bd9Sstevel@tonic-gate VN_RELE(vp); 10027c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10037c478bd9Sstevel@tonic-gate } 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate } else { 10067c478bd9Sstevel@tonic-gate exi = cs->exi; 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate /* 10127c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10137c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10147c478bd9Sstevel@tonic-gate * 10157c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10167c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10177c478bd9Sstevel@tonic-gate * has access with. 10187c478bd9Sstevel@tonic-gate */ 10197c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10207c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10217c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10227c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10237c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10247c478bd9Sstevel@tonic-gate 10257c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10261b300de9Sjwahlig si = &secp[i].s_secinfo; 10271b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10281b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 10291b300de9Sjwahlig rpcsec_gss_info *info; 10301b300de9Sjwahlig 10311b300de9Sjwahlig info = &resok_val[i].flavor_info; 10321b300de9Sjwahlig info->qop = si->sc_qop; 10331b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10341b300de9Sjwahlig 10351b300de9Sjwahlig /* get oid opaque data */ 10361b300de9Sjwahlig info->oid.sec_oid4_len = 10371b300de9Sjwahlig si->sc_gss_mech_type->length; 10381b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10391b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10401b300de9Sjwahlig bcopy( 10411b300de9Sjwahlig si->sc_gss_mech_type->elements, 10421b300de9Sjwahlig info->oid.sec_oid4_val, 10431b300de9Sjwahlig info->oid.sec_oid4_len); 10441b300de9Sjwahlig } 10457c478bd9Sstevel@tonic-gate } 10467c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10477c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10487c478bd9Sstevel@tonic-gate } else { 10497c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10507c478bd9Sstevel@tonic-gate int *flavor_list; 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10537c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10567c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10577c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10587c478bd9Sstevel@tonic-gate int access, flavor, perm; 10597c478bd9Sstevel@tonic-gate 10607c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10617c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10641b300de9Sjwahlig flavor, perm); 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10677c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10687c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10697c478bd9Sstevel@tonic-gate ret_cnt++; 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10747c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 1077f3b585ceSsamf /* 1078f3b585ceSsamf * If the flavor is in the flavor list, 1079f3b585ceSsamf * fill in resok_val. 1080f3b585ceSsamf */ 10811b300de9Sjwahlig si = &secp[i].s_secinfo; 10821b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10831b300de9Sjwahlig flavor_list, ret_cnt)) { 10841b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10851b300de9Sjwahlig if (resok_val[k].flavor == RPCSEC_GSS) { 10861b300de9Sjwahlig rpcsec_gss_info *info; 10871b300de9Sjwahlig 10881b300de9Sjwahlig info = &resok_val[k].flavor_info; 10891b300de9Sjwahlig info->qop = si->sc_qop; 10901b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10911b300de9Sjwahlig si->sc_service; 10921b300de9Sjwahlig 10931b300de9Sjwahlig /* get oid opaque data */ 10941b300de9Sjwahlig info->oid.sec_oid4_len = 10951b300de9Sjwahlig si->sc_gss_mech_type->length; 10961b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10971b300de9Sjwahlig si->sc_gss_mech_type->length, 10981b300de9Sjwahlig KM_SLEEP); 10991b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 11001b300de9Sjwahlig info->oid.sec_oid4_val, 11011b300de9Sjwahlig info->oid.sec_oid4_len); 11021b300de9Sjwahlig } 11031b300de9Sjwahlig k++; 11047c478bd9Sstevel@tonic-gate } 1105f3b585ceSsamf if (k >= ret_cnt) 1106f3b585ceSsamf break; 11077c478bd9Sstevel@tonic-gate } 11087c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11097c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11107c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11117c478bd9Sstevel@tonic-gate } 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate VN_RELE(vp); 11147c478bd9Sstevel@tonic-gate return (NFS4_OK); 11157c478bd9Sstevel@tonic-gate } 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate /* 11187c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11197c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11207c478bd9Sstevel@tonic-gate * triplets. 11217c478bd9Sstevel@tonic-gate */ 11227c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11237c478bd9Sstevel@tonic-gate static void 11247c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1125d216dff5SRobert Mastors struct compound_state *cs) 11267c478bd9Sstevel@tonic-gate { 1127f3b585ceSsamf SECINFO4args *args = &argop->nfs_argop4_u.opsecinfo; 11287c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 1129f3b585ceSsamf utf8string *utfnm = &args->name; 11307c478bd9Sstevel@tonic-gate uint_t len; 11317c478bd9Sstevel@tonic-gate char *nm; 1132b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1133b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 11347c478bd9Sstevel@tonic-gate 1135f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__start, struct compound_state *, cs, 1136f3b585ceSsamf SECINFO4args *, args); 1137f3b585ceSsamf 11387c478bd9Sstevel@tonic-gate /* 11397c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11407c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11417c478bd9Sstevel@tonic-gate */ 11427c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1144f3b585ceSsamf goto out; 11457c478bd9Sstevel@tonic-gate } 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1149f3b585ceSsamf goto out; 11507c478bd9Sstevel@tonic-gate } 11517c478bd9Sstevel@tonic-gate 11527c478bd9Sstevel@tonic-gate /* 11537c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11547c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11557c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11567c478bd9Sstevel@tonic-gate */ 11577c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(utfnm)) { 11587c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11591b300de9Sjwahlig utfnm->utf8string_val[0] != '.' || 11601b300de9Sjwahlig utfnm->utf8string_val[1] != '.') { 11617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1162f3b585ceSsamf goto out; 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate 11667c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11677c478bd9Sstevel@tonic-gate if (nm == NULL) { 11687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1169f3b585ceSsamf goto out; 11707c478bd9Sstevel@tonic-gate } 11717c478bd9Sstevel@tonic-gate 11727c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11747c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1175f3b585ceSsamf goto out; 11767c478bd9Sstevel@tonic-gate } 1177b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 11787c478bd9Sstevel@tonic-gate 1179b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1180b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1181b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 11827c478bd9Sstevel@tonic-gate 1183b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1184b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1185b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1186b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1187b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1188b89a8333Snatalie li - Sun Microsystems - Irvine United States 1189b89a8333Snatalie li - Sun Microsystems - Irvine United States 1190b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, name, resp); 1191b89a8333Snatalie li - Sun Microsystems - Irvine United States 1192b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1193b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 11947c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1195f3b585ceSsamf 1196f3b585ceSsamf out: 1197f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__done, struct compound_state *, cs, 1198f3b585ceSsamf SECINFO4res *, resp); 11997c478bd9Sstevel@tonic-gate } 12007c478bd9Sstevel@tonic-gate 12017c478bd9Sstevel@tonic-gate /* 12027c478bd9Sstevel@tonic-gate * Free SECINFO result. 12037c478bd9Sstevel@tonic-gate */ 12047c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12057c478bd9Sstevel@tonic-gate static void 12067c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 12077c478bd9Sstevel@tonic-gate { 12087c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 12097c478bd9Sstevel@tonic-gate int count, i; 12107c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 12117c478bd9Sstevel@tonic-gate 12127c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 12137c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 12147c478bd9Sstevel@tonic-gate return; 12157c478bd9Sstevel@tonic-gate } 12167c478bd9Sstevel@tonic-gate 12177c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 12187c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 12197c478bd9Sstevel@tonic-gate 12207c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 12211b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 12221b300de9Sjwahlig rpcsec_gss_info *info; 12237c478bd9Sstevel@tonic-gate 12241b300de9Sjwahlig info = &resok_val[i].flavor_info; 12251b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 12261b300de9Sjwahlig info->oid.sec_oid4_len); 12271b300de9Sjwahlig } 12287c478bd9Sstevel@tonic-gate } 12297c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12307c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12317c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12327c478bd9Sstevel@tonic-gate } 12337c478bd9Sstevel@tonic-gate 12347c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12357c478bd9Sstevel@tonic-gate static void 12367c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1237d216dff5SRobert Mastors struct compound_state *cs) 12387c478bd9Sstevel@tonic-gate { 12397c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12407c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12417c478bd9Sstevel@tonic-gate int error; 12427c478bd9Sstevel@tonic-gate vnode_t *vp; 12437c478bd9Sstevel@tonic-gate struct vattr va; 12447c478bd9Sstevel@tonic-gate int checkwriteperm; 12457c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124645916cd2Sjpk bslabel_t *clabel, *slabel; 124745916cd2Sjpk ts_label_t *tslabel; 124845916cd2Sjpk boolean_t admin_low_client; 12497c478bd9Sstevel@tonic-gate 1250f3b585ceSsamf DTRACE_NFSV4_2(op__access__start, struct compound_state *, cs, 1251f3b585ceSsamf ACCESS4args *, args); 1252f3b585ceSsamf 12537c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12547c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1256f3b585ceSsamf goto out; 12577c478bd9Sstevel@tonic-gate } 12587c478bd9Sstevel@tonic-gate #endif 12597c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1261f3b585ceSsamf goto out; 12627c478bd9Sstevel@tonic-gate } 12637c478bd9Sstevel@tonic-gate 12647c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12657c478bd9Sstevel@tonic-gate 12667c478bd9Sstevel@tonic-gate vp = cs->vp; 12677c478bd9Sstevel@tonic-gate 12687c478bd9Sstevel@tonic-gate /* 12697c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12707c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12717c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12727c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12737c478bd9Sstevel@tonic-gate */ 12747c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12751b300de9Sjwahlig (vp->v_type == VREG || vp->v_type == VDIR)) 12767c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12777c478bd9Sstevel@tonic-gate else 12787c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12797c478bd9Sstevel@tonic-gate 12807c478bd9Sstevel@tonic-gate /* 12817c478bd9Sstevel@tonic-gate * XXX 12827c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12837c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12847c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12857c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12867c478bd9Sstevel@tonic-gate */ 12877c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1288da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12897c478bd9Sstevel@tonic-gate if (error) { 12907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1291f3b585ceSsamf goto out; 12927c478bd9Sstevel@tonic-gate } 12937c478bd9Sstevel@tonic-gate resp->access = 0; 12947c478bd9Sstevel@tonic-gate resp->supported = 0; 12957c478bd9Sstevel@tonic-gate 129645916cd2Sjpk if (is_system_labeled()) { 129745916cd2Sjpk ASSERT(req->rq_label != NULL); 129845916cd2Sjpk clabel = req->rq_label; 129945916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 130045916cd2Sjpk "got client label from request(1)", 130145916cd2Sjpk struct svc_req *, req); 130245916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 1303bd6f1640SJarrett Lu if ((tslabel = nfs_getflabel(vp, cs->exi)) == NULL) { 130445916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 1305f3b585ceSsamf goto out; 130645916cd2Sjpk } 130745916cd2Sjpk slabel = label2bslabel(tslabel); 130845916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 130945916cd2Sjpk char *, "got server label(1) for vp(2)", 131045916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 131145916cd2Sjpk 131245916cd2Sjpk admin_low_client = B_FALSE; 131345916cd2Sjpk } else 131445916cd2Sjpk admin_low_client = B_TRUE; 131545916cd2Sjpk } 131645916cd2Sjpk 13177c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1318da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 131945916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 132045916cd2Sjpk (!is_system_labeled() || admin_low_client || 132145916cd2Sjpk bldominates(clabel, slabel))) 13227c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13237c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13247c478bd9Sstevel@tonic-gate } 13257c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1326da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132745916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 132845916cd2Sjpk bldominates(clabel, slabel))) 13297c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13307c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13317c478bd9Sstevel@tonic-gate } 13327c478bd9Sstevel@tonic-gate if (checkwriteperm && 13337c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1334da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 133545916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133645916cd2Sjpk (!is_system_labeled() || admin_low_client || 133745916cd2Sjpk blequal(clabel, slabel))) 13387c478bd9Sstevel@tonic-gate resp->access |= 13390a701b1eSRobert Gordon (args->access & (ACCESS4_MODIFY | ACCESS4_EXTEND)); 13400a701b1eSRobert Gordon resp->supported |= (ACCESS4_MODIFY | ACCESS4_EXTEND); 13417c478bd9Sstevel@tonic-gate } 13427c478bd9Sstevel@tonic-gate 13437c478bd9Sstevel@tonic-gate if (checkwriteperm && 13447c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1345da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 134645916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 134745916cd2Sjpk blequal(clabel, slabel))) 13487c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13497c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13507c478bd9Sstevel@tonic-gate } 13517c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1352da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 135345916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 135445916cd2Sjpk (!is_system_labeled() || admin_low_client || 135545916cd2Sjpk bldominates(clabel, slabel))) 13567c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13577c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13587c478bd9Sstevel@tonic-gate } 13597c478bd9Sstevel@tonic-gate 136045916cd2Sjpk if (is_system_labeled() && !admin_low_client) 136145916cd2Sjpk label_rele(tslabel); 136245916cd2Sjpk 13637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1364f3b585ceSsamf out: 1365f3b585ceSsamf DTRACE_NFSV4_2(op__access__done, struct compound_state *, cs, 1366f3b585ceSsamf ACCESS4res *, resp); 13677c478bd9Sstevel@tonic-gate } 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13707c478bd9Sstevel@tonic-gate static void 13717c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1372d216dff5SRobert Mastors struct compound_state *cs) 13737c478bd9Sstevel@tonic-gate { 13747c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13757c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13767c478bd9Sstevel@tonic-gate int error; 13777c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13787c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13797c478bd9Sstevel@tonic-gate vattr_t va; 13807c478bd9Sstevel@tonic-gate 1381f3b585ceSsamf DTRACE_NFSV4_2(op__commit__start, struct compound_state *, cs, 1382f3b585ceSsamf COMMIT4args *, args); 1383f3b585ceSsamf 13847c478bd9Sstevel@tonic-gate if (vp == NULL) { 13857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1386f3b585ceSsamf goto out; 13877c478bd9Sstevel@tonic-gate } 13887c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1390f3b585ceSsamf goto out; 13917c478bd9Sstevel@tonic-gate } 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1395f3b585ceSsamf goto out; 13967c478bd9Sstevel@tonic-gate } 13977c478bd9Sstevel@tonic-gate 13987c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1399da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 14007c478bd9Sstevel@tonic-gate 14017c478bd9Sstevel@tonic-gate /* 14027c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 14037c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 14047c478bd9Sstevel@tonic-gate */ 14057c478bd9Sstevel@tonic-gate if (error) { 14067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1407f3b585ceSsamf goto out; 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 14107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1411f3b585ceSsamf goto out; 14127c478bd9Sstevel@tonic-gate } 14137c478bd9Sstevel@tonic-gate 14147c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14157c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14167c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14177c478bd9Sstevel@tonic-gate else 14187c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 1420f3b585ceSsamf goto out; 14217c478bd9Sstevel@tonic-gate } 14227c478bd9Sstevel@tonic-gate 14237c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1424da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 14257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1426f3b585ceSsamf goto out; 14277c478bd9Sstevel@tonic-gate } 14287c478bd9Sstevel@tonic-gate 1429da6c28aaSamw error = VOP_PUTPAGE(vp, args->offset, args->count, 0, cr, NULL); 14307c478bd9Sstevel@tonic-gate if (!error) 1431da6c28aaSamw error = VOP_FSYNC(vp, FNODSYNC, cr, NULL); 14327c478bd9Sstevel@tonic-gate 14337c478bd9Sstevel@tonic-gate if (error) { 14347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1435f3b585ceSsamf goto out; 14367c478bd9Sstevel@tonic-gate } 14377c478bd9Sstevel@tonic-gate 14387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14397c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 1440f3b585ceSsamf out: 1441f3b585ceSsamf DTRACE_NFSV4_2(op__commit__done, struct compound_state *, cs, 1442f3b585ceSsamf COMMIT4res *, resp); 14437c478bd9Sstevel@tonic-gate } 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate /* 14467c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14477c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14487c478bd9Sstevel@tonic-gate */ 14497c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14507c478bd9Sstevel@tonic-gate static vnode_t * 14517c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 1452d216dff5SRobert Mastors struct compound_state *cs, vattr_t *vap, char *nm) 14537c478bd9Sstevel@tonic-gate { 14547c478bd9Sstevel@tonic-gate int error; 14557c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14567c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14577c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14587c478bd9Sstevel@tonic-gate int mode; 14597c478bd9Sstevel@tonic-gate enum vcexcl excl; 14607c478bd9Sstevel@tonic-gate 14617c478bd9Sstevel@tonic-gate switch (args->type) { 14627c478bd9Sstevel@tonic-gate case NF4CHR: 14637c478bd9Sstevel@tonic-gate case NF4BLK: 14647c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14667c478bd9Sstevel@tonic-gate return (NULL); 14677c478bd9Sstevel@tonic-gate } 14687c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14697c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14707c478bd9Sstevel@tonic-gate else 14717c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14727c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14731b300de9Sjwahlig args->ftype4_u.devdata.specdata2); 14747c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14757c478bd9Sstevel@tonic-gate break; 14767c478bd9Sstevel@tonic-gate case NF4SOCK: 14777c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14787c478bd9Sstevel@tonic-gate break; 14797c478bd9Sstevel@tonic-gate case NF4FIFO: 14807c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14817c478bd9Sstevel@tonic-gate break; 14827c478bd9Sstevel@tonic-gate default: 14837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14847c478bd9Sstevel@tonic-gate return (NULL); 14857c478bd9Sstevel@tonic-gate } 14867c478bd9Sstevel@tonic-gate 14877c478bd9Sstevel@tonic-gate /* 14887c478bd9Sstevel@tonic-gate * Must specify the mode. 14897c478bd9Sstevel@tonic-gate */ 14907c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14927c478bd9Sstevel@tonic-gate return (NULL); 14937c478bd9Sstevel@tonic-gate } 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate excl = EXCL; 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate mode = 0; 14987c478bd9Sstevel@tonic-gate 1499da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 15007c478bd9Sstevel@tonic-gate if (error) { 15017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 15027c478bd9Sstevel@tonic-gate return (NULL); 15037c478bd9Sstevel@tonic-gate } 15047c478bd9Sstevel@tonic-gate return (vp); 15057c478bd9Sstevel@tonic-gate } 15067c478bd9Sstevel@tonic-gate 15077c478bd9Sstevel@tonic-gate /* 15087c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 15097c478bd9Sstevel@tonic-gate * use nfsv4 open. 15107c478bd9Sstevel@tonic-gate */ 15117c478bd9Sstevel@tonic-gate /* ARGSUSED */ 15127c478bd9Sstevel@tonic-gate static void 15137c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1514d216dff5SRobert Mastors struct compound_state *cs) 15157c478bd9Sstevel@tonic-gate { 15167c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15177c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15187c478bd9Sstevel@tonic-gate int error; 15197c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15207c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15217c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15227c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 1523fd7da618Sgt vnode_t *realvp; 15247c478bd9Sstevel@tonic-gate char *nm, *lnm; 15257c478bd9Sstevel@tonic-gate uint_t len, llen; 15267c478bd9Sstevel@tonic-gate int syncval = 0; 15277c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15287c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15297c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15307c478bd9Sstevel@tonic-gate nfsstat4 status; 1531b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1532b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 1533b89a8333Snatalie li - Sun Microsystems - Irvine United States char *lname = NULL; 15347c478bd9Sstevel@tonic-gate 1535f3b585ceSsamf DTRACE_NFSV4_2(op__create__start, struct compound_state *, cs, 1536f3b585ceSsamf CREATE4args *, args); 1537f3b585ceSsamf 15387c478bd9Sstevel@tonic-gate resp->attrset = 0; 15397c478bd9Sstevel@tonic-gate 15407c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1542f3b585ceSsamf goto out; 15437c478bd9Sstevel@tonic-gate } 15447c478bd9Sstevel@tonic-gate 15457c478bd9Sstevel@tonic-gate /* 15467c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15477c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15487c478bd9Sstevel@tonic-gate */ 15497c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1551f3b585ceSsamf goto out; 15527c478bd9Sstevel@tonic-gate } 15537c478bd9Sstevel@tonic-gate 15547c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15557c478bd9Sstevel@tonic-gate switch (args->type) { 15567c478bd9Sstevel@tonic-gate case NF4LNK: 15577c478bd9Sstevel@tonic-gate case NF4BLK: 15587c478bd9Sstevel@tonic-gate case NF4CHR: 15597c478bd9Sstevel@tonic-gate case NF4SOCK: 15607c478bd9Sstevel@tonic-gate case NF4FIFO: 15617c478bd9Sstevel@tonic-gate case NF4DIR: 15627c478bd9Sstevel@tonic-gate break; 15637c478bd9Sstevel@tonic-gate default: 15647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 1565f3b585ceSsamf goto out; 15667c478bd9Sstevel@tonic-gate }; 15677c478bd9Sstevel@tonic-gate 15687c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1570f3b585ceSsamf goto out; 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1574f3b585ceSsamf goto out; 15757c478bd9Sstevel@tonic-gate } 15767c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1578f3b585ceSsamf goto out; 15797c478bd9Sstevel@tonic-gate } 15807c478bd9Sstevel@tonic-gate 15817c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1583f3b585ceSsamf goto out; 15847c478bd9Sstevel@tonic-gate } 15857c478bd9Sstevel@tonic-gate 15867c478bd9Sstevel@tonic-gate /* 15877c478bd9Sstevel@tonic-gate * Name of newly created object 15887c478bd9Sstevel@tonic-gate */ 15897c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15907c478bd9Sstevel@tonic-gate if (nm == NULL) { 15917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1592f3b585ceSsamf goto out; 15937c478bd9Sstevel@tonic-gate } 15947c478bd9Sstevel@tonic-gate 15957c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15977c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1598f3b585ceSsamf goto out; 15997c478bd9Sstevel@tonic-gate } 16007c478bd9Sstevel@tonic-gate 1601b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for poorly behaved clients */ 1602b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1603b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1604b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 1605b89a8333Snatalie li - Sun Microsystems - Irvine United States 1606b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1607b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1608b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1609b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1610b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1611b89a8333Snatalie li - Sun Microsystems - Irvine United States 16127c478bd9Sstevel@tonic-gate resp->attrset = 0; 16137c478bd9Sstevel@tonic-gate 16147c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 1615*2f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 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, 1903d216dff5SRobert Mastors 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 */ 1919d216dff5SRobert Mastors if (cs->vp != dsp->rds_finfo->rf_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 1924d216dff5SRobert Mastors rfs4_update_lease(dsp->rds_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, 2130d216dff5SRobert Mastors 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, 2161d216dff5SRobert Mastors 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, 2298d216dff5SRobert Mastors 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; 2321*2f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 23227c478bd9Sstevel@tonic-gate 23237c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 23247c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 2325*2f172c55SRobert Thurlow 23267c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 2327*2f172c55SRobert Thurlow if (status == NFS4_OK) { 2328*2f172c55SRobert Thurlow 2329*2f172c55SRobert Thurlow /* Is this a referral? */ 2330*2f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr)) { 2331*2f172c55SRobert Thurlow /* Older V4 Solaris client sees a link */ 2332*2f172c55SRobert Thurlow if (client_is_downrev(req)) 2333*2f172c55SRobert Thurlow sarg.vap->va_type = VLNK; 2334*2f172c55SRobert Thurlow else 2335*2f172c55SRobert Thurlow sarg.is_referral = B_TRUE; 2336*2f172c55SRobert Thurlow } 2337*2f172c55SRobert Thurlow 23387c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 23391b300de9Sjwahlig &resp->obj_attributes, &sarg); 2340*2f172c55SRobert Thurlow } 23417c478bd9Sstevel@tonic-gate } 23427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 2343f3b585ceSsamf out: 2344f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__done, struct compound_state *, cs, 2345f3b585ceSsamf GETATTR4res *, resp); 23467c478bd9Sstevel@tonic-gate } 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate static void 23497c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 23507c478bd9Sstevel@tonic-gate { 23517c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 23547c478bd9Sstevel@tonic-gate } 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23577c478bd9Sstevel@tonic-gate static void 23587c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2359d216dff5SRobert Mastors struct compound_state *cs) 23607c478bd9Sstevel@tonic-gate { 23617c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23627c478bd9Sstevel@tonic-gate 2363f3b585ceSsamf DTRACE_NFSV4_1(op__getfh__start, struct compound_state *, cs); 2364f3b585ceSsamf 23657c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2367f3b585ceSsamf goto out; 23687c478bd9Sstevel@tonic-gate } 23697c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2371f3b585ceSsamf goto out; 23727c478bd9Sstevel@tonic-gate } 23737c478bd9Sstevel@tonic-gate 2374*2f172c55SRobert Thurlow /* check for reparse point at the share point */ 2375*2f172c55SRobert Thurlow if (cs->exi->exi_moved || vn_is_nfs_reparse(cs->exi->exi_vp, cs->cr)) { 2376*2f172c55SRobert Thurlow /* it's all bad */ 2377*2f172c55SRobert Thurlow cs->exi->exi_moved = 1; 2378*2f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 2379*2f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__shared__moved, 2380*2f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 2381*2f172c55SRobert Thurlow return; 2382*2f172c55SRobert Thurlow } 2383*2f172c55SRobert Thurlow 2384*2f172c55SRobert Thurlow /* check for reparse point at vp */ 2385*2f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr) && !client_is_downrev(req)) { 2386*2f172c55SRobert Thurlow /* it's not all bad */ 2387*2f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 2388*2f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__moved, 2389*2f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 2390*2f172c55SRobert Thurlow return; 2391*2f172c55SRobert Thurlow } 2392*2f172c55SRobert Thurlow 23937c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 23941b300de9Sjwahlig kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 23957c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 23967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2397f3b585ceSsamf out: 2398f3b585ceSsamf DTRACE_NFSV4_2(op__getfh__done, struct compound_state *, cs, 2399f3b585ceSsamf GETFH4res *, resp); 24007c478bd9Sstevel@tonic-gate } 24017c478bd9Sstevel@tonic-gate 24027c478bd9Sstevel@tonic-gate static void 24037c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 24047c478bd9Sstevel@tonic-gate { 24057c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 24087c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 24097c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 24107c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 24117c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 24127c478bd9Sstevel@tonic-gate } 24137c478bd9Sstevel@tonic-gate } 24147c478bd9Sstevel@tonic-gate 24157c478bd9Sstevel@tonic-gate /* 24167c478bd9Sstevel@tonic-gate * illegal: args: void 24177c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 24187c478bd9Sstevel@tonic-gate */ 24197c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24207c478bd9Sstevel@tonic-gate static void 24217c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 2422d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 24237c478bd9Sstevel@tonic-gate { 24247c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 24257c478bd9Sstevel@tonic-gate 24267c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 24277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 24287c478bd9Sstevel@tonic-gate } 24297c478bd9Sstevel@tonic-gate 24307c478bd9Sstevel@tonic-gate /* 24317c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 24327c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 24337c478bd9Sstevel@tonic-gate */ 24347c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24357c478bd9Sstevel@tonic-gate static void 24367c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2437d216dff5SRobert Mastors struct compound_state *cs) 24387c478bd9Sstevel@tonic-gate { 24397c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 24407c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 24417c478bd9Sstevel@tonic-gate int error; 24427c478bd9Sstevel@tonic-gate vnode_t *vp; 24437c478bd9Sstevel@tonic-gate vnode_t *dvp; 24447c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 24457c478bd9Sstevel@tonic-gate char *nm; 24467c478bd9Sstevel@tonic-gate uint_t len; 2447b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2448b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 24497c478bd9Sstevel@tonic-gate 2450f3b585ceSsamf DTRACE_NFSV4_2(op__link__start, struct compound_state *, cs, 2451f3b585ceSsamf LINK4args *, args); 2452f3b585ceSsamf 24537c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 24547c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 24557c478bd9Sstevel@tonic-gate if (vp == NULL) { 24567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2457f3b585ceSsamf goto out; 24587c478bd9Sstevel@tonic-gate } 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 24617c478bd9Sstevel@tonic-gate dvp = cs->vp; 24627c478bd9Sstevel@tonic-gate if (dvp == NULL) { 24637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2464f3b585ceSsamf goto out; 24657c478bd9Sstevel@tonic-gate } 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate /* 24687c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 24697c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 24707c478bd9Sstevel@tonic-gate */ 24717c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 24727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2473f3b585ceSsamf goto out; 24747c478bd9Sstevel@tonic-gate } 24757c478bd9Sstevel@tonic-gate 24767c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 24777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2478f3b585ceSsamf goto out; 24797c478bd9Sstevel@tonic-gate } 24807c478bd9Sstevel@tonic-gate 24817c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 24827c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 24837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 2484f3b585ceSsamf goto out; 24857c478bd9Sstevel@tonic-gate } 24867c478bd9Sstevel@tonic-gate 24877c478bd9Sstevel@tonic-gate /* Check target directory's type */ 24887c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 24897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2490f3b585ceSsamf goto out; 24917c478bd9Sstevel@tonic-gate } 24927c478bd9Sstevel@tonic-gate 24937c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 24947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 2495f3b585ceSsamf goto out; 24967c478bd9Sstevel@tonic-gate } 24977c478bd9Sstevel@tonic-gate 24987c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 24997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2500f3b585ceSsamf goto out; 25017c478bd9Sstevel@tonic-gate } 25027c478bd9Sstevel@tonic-gate 25037c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 25047c478bd9Sstevel@tonic-gate if (nm == NULL) { 25057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2506f3b585ceSsamf goto out; 25077c478bd9Sstevel@tonic-gate } 25087c478bd9Sstevel@tonic-gate 25097c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 25107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 25117c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2512f3b585ceSsamf goto out; 25137c478bd9Sstevel@tonic-gate } 25147c478bd9Sstevel@tonic-gate 25157c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 25167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 25177c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2518f3b585ceSsamf goto out; 25197c478bd9Sstevel@tonic-gate } 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate /* Get "before" change value */ 25227c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2523da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 25247c478bd9Sstevel@tonic-gate if (error) { 25257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 25267c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2527f3b585ceSsamf goto out; 25287c478bd9Sstevel@tonic-gate } 25297c478bd9Sstevel@tonic-gate 2530b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2531b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2532b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2533b89a8333Snatalie li - Sun Microsystems - Irvine United States 2534b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2535b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2536b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2537b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2538b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2539b89a8333Snatalie li - Sun Microsystems - Irvine United States 25407c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 25417c478bd9Sstevel@tonic-gate 2542b89a8333Snatalie li - Sun Microsystems - Irvine United States error = VOP_LINK(dvp, vp, name, cs->cr, NULL, 0); 25437c478bd9Sstevel@tonic-gate 2544b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 2545b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 25467c478bd9Sstevel@tonic-gate kmem_free(nm, len); 25477c478bd9Sstevel@tonic-gate 25487c478bd9Sstevel@tonic-gate /* 25497c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 25507c478bd9Sstevel@tonic-gate */ 25517c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2552da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 25537c478bd9Sstevel@tonic-gate idva.va_seq = 0; 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate /* 25567c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 25577c478bd9Sstevel@tonic-gate */ 2558da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2559da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 25607c478bd9Sstevel@tonic-gate 25617c478bd9Sstevel@tonic-gate if (error) { 25627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 2563f3b585ceSsamf goto out; 25647c478bd9Sstevel@tonic-gate } 25657c478bd9Sstevel@tonic-gate 25667c478bd9Sstevel@tonic-gate /* 25677c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 25687c478bd9Sstevel@tonic-gate * before value. 25697c478bd9Sstevel@tonic-gate */ 25707c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2571da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 25727c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 25737c478bd9Sstevel@tonic-gate adva.va_seq = 0; 25747c478bd9Sstevel@tonic-gate } 25757c478bd9Sstevel@tonic-gate 25767c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate /* 25797c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 25807c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 25817c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 25827c478bd9Sstevel@tonic-gate */ 25837c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 25841b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 25857c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 25867c478bd9Sstevel@tonic-gate else 25877c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 25887c478bd9Sstevel@tonic-gate 25897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2590f3b585ceSsamf out: 2591f3b585ceSsamf DTRACE_NFSV4_2(op__link__done, struct compound_state *, cs, 2592f3b585ceSsamf LINK4res *, resp); 25937c478bd9Sstevel@tonic-gate } 25947c478bd9Sstevel@tonic-gate 25957c478bd9Sstevel@tonic-gate /* 25967c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 25977c478bd9Sstevel@tonic-gate */ 25987c478bd9Sstevel@tonic-gate 25997c478bd9Sstevel@tonic-gate /* ARGSUSED */ 26007c478bd9Sstevel@tonic-gate static nfsstat4 26017c478bd9Sstevel@tonic-gate do_rfs4_op_lookup(char *nm, uint_t buflen, struct svc_req *req, 2602d216dff5SRobert Mastors struct compound_state *cs) 26037c478bd9Sstevel@tonic-gate { 26047c478bd9Sstevel@tonic-gate int error; 26057c478bd9Sstevel@tonic-gate int different_export = 0; 26067c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 26077c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 26087c478bd9Sstevel@tonic-gate nfsstat4 stat; 26097c478bd9Sstevel@tonic-gate fid_t fid; 26107c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 26117c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 26147c478bd9Sstevel@tonic-gate attrdir = 1; 26157c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26167c478bd9Sstevel@tonic-gate } else { 26177c478bd9Sstevel@tonic-gate attrdir = 0; 26187c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26197c478bd9Sstevel@tonic-gate } 26207c478bd9Sstevel@tonic-gate 26217c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 26227c478bd9Sstevel@tonic-gate 26237c478bd9Sstevel@tonic-gate /* 26247c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 26257c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 26267c478bd9Sstevel@tonic-gate * export point. 26277c478bd9Sstevel@tonic-gate */ 26287c478bd9Sstevel@tonic-gate if (dotdot) { 26297c478bd9Sstevel@tonic-gate 26307c478bd9Sstevel@tonic-gate /* 26317c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 26327c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 26337c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 26347c478bd9Sstevel@tonic-gate */ 26357c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 26367c478bd9Sstevel@tonic-gate 26377c478bd9Sstevel@tonic-gate /* 26387c478bd9Sstevel@tonic-gate * If at the system root, then can 26397c478bd9Sstevel@tonic-gate * go up no further. 26407c478bd9Sstevel@tonic-gate */ 26417c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 26427c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26437c478bd9Sstevel@tonic-gate 26447c478bd9Sstevel@tonic-gate /* 26457c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 26467c478bd9Sstevel@tonic-gate */ 26477c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 26487c478bd9Sstevel@tonic-gate 26497c478bd9Sstevel@tonic-gate /* 26507c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 26517c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 26527c478bd9Sstevel@tonic-gate * this new filesystem. 26537c478bd9Sstevel@tonic-gate */ 26547c478bd9Sstevel@tonic-gate different_export = 1; 26557c478bd9Sstevel@tonic-gate } else { 26567c478bd9Sstevel@tonic-gate 26577c478bd9Sstevel@tonic-gate /* 26587c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 26597c478bd9Sstevel@tonic-gate * the different_export to get new export info. 26607c478bd9Sstevel@tonic-gate */ 26617c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 26627c478bd9Sstevel@tonic-gate } 26637c478bd9Sstevel@tonic-gate } 26647c478bd9Sstevel@tonic-gate 2665da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2666da6c28aaSamw NULL, NULL, NULL); 26677c478bd9Sstevel@tonic-gate if (error) 26687c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26697c478bd9Sstevel@tonic-gate 26707c478bd9Sstevel@tonic-gate /* 26717c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 26727c478bd9Sstevel@tonic-gate * 26737c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 26747c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 26757c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 26767c478bd9Sstevel@tonic-gate * from V2/V3. 26777c478bd9Sstevel@tonic-gate * 26787c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 26797c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 26807c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 26817c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 26827c478bd9Sstevel@tonic-gate */ 26837c478bd9Sstevel@tonic-gate if (!different_export && 26847c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 26857c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 26867c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 26877c478bd9Sstevel@tonic-gate VN_RELE(vp); 26887c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26897c478bd9Sstevel@tonic-gate } 26907c478bd9Sstevel@tonic-gate } 26917c478bd9Sstevel@tonic-gate 26927c478bd9Sstevel@tonic-gate /* 26937c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 26947c478bd9Sstevel@tonic-gate */ 26957c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 26967c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 26977c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 26987c478bd9Sstevel@tonic-gate 26997c478bd9Sstevel@tonic-gate /* 27007c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 27017c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 27027c478bd9Sstevel@tonic-gate */ 27037c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 27047c478bd9Sstevel@tonic-gate tvp = vp; 27057c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 27067c478bd9Sstevel@tonic-gate VN_RELE(vp); 27077c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27087c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27097c478bd9Sstevel@tonic-gate } 27107c478bd9Sstevel@tonic-gate vp = tvp; 27117c478bd9Sstevel@tonic-gate different_export = 1; 27127c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 27137c478bd9Sstevel@tonic-gate /* 27147c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 27157c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 27167c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 27177c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 27187c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 27197c478bd9Sstevel@tonic-gate * vfs ptrs. 27207c478bd9Sstevel@tonic-gate */ 27217c478bd9Sstevel@tonic-gate different_export = 1; 27227c478bd9Sstevel@tonic-gate } 27237c478bd9Sstevel@tonic-gate 27247c478bd9Sstevel@tonic-gate if (different_export) { 27257c478bd9Sstevel@tonic-gate 27267c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 27277c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 27287c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 27297c478bd9Sstevel@tonic-gate if (error) { 27307c478bd9Sstevel@tonic-gate VN_RELE(vp); 27317c478bd9Sstevel@tonic-gate if (pre_tvp) 27327c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27337c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27347c478bd9Sstevel@tonic-gate } 27357c478bd9Sstevel@tonic-gate 27367c478bd9Sstevel@tonic-gate if (dotdot) 27377c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 27387c478bd9Sstevel@tonic-gate else 27397c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 27407c478bd9Sstevel@tonic-gate 27417c478bd9Sstevel@tonic-gate if (exi == NULL) { 27427c478bd9Sstevel@tonic-gate if (pre_tvp) { 27437c478bd9Sstevel@tonic-gate /* 27447c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 27457c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 27467c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 27477c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 27487c478bd9Sstevel@tonic-gate * the mounted-on file system. 27497c478bd9Sstevel@tonic-gate */ 27507c478bd9Sstevel@tonic-gate VN_RELE(vp); 27517c478bd9Sstevel@tonic-gate vp = pre_tvp; 27527c478bd9Sstevel@tonic-gate exi = pre_exi; 27537c478bd9Sstevel@tonic-gate } else { 27547c478bd9Sstevel@tonic-gate VN_RELE(vp); 27557c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 27567c478bd9Sstevel@tonic-gate } 27577c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 27587c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 27597c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27607c478bd9Sstevel@tonic-gate } 27617c478bd9Sstevel@tonic-gate 27627c478bd9Sstevel@tonic-gate cs->exi = exi; 27637c478bd9Sstevel@tonic-gate 27647c478bd9Sstevel@tonic-gate /* 27657c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 27667c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 27677c478bd9Sstevel@tonic-gate * exported file system, and if he does, 27687c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 27697c478bd9Sstevel@tonic-gate * 27707c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 27717c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 27727c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 27737c478bd9Sstevel@tonic-gate * checkauth4() 27747c478bd9Sstevel@tonic-gate */ 27757c478bd9Sstevel@tonic-gate crfree(cs->cr); 27767c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 27777c478bd9Sstevel@tonic-gate 27787c478bd9Sstevel@tonic-gate if (cs->vp) 27797c478bd9Sstevel@tonic-gate oldvp = cs->vp; 27807c478bd9Sstevel@tonic-gate cs->vp = vp; 27817c478bd9Sstevel@tonic-gate is_newvp = TRUE; 27827c478bd9Sstevel@tonic-gate 27837c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 27847c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 27857c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27867c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27877c478bd9Sstevel@tonic-gate return (stat); 27887c478bd9Sstevel@tonic-gate } 27897c478bd9Sstevel@tonic-gate } 27907c478bd9Sstevel@tonic-gate 279145916cd2Sjpk /* 279245916cd2Sjpk * After various NFS checks, do a label check on the path 279345916cd2Sjpk * component. The label on this path should either be the 279445916cd2Sjpk * global zone's label or a zone's label. We are only 279545916cd2Sjpk * interested in the zone's label because exported files 279645916cd2Sjpk * in global zone is accessible (though read-only) to 279745916cd2Sjpk * clients. The exportability/visibility check is already 279845916cd2Sjpk * done before reaching this code. 279945916cd2Sjpk */ 280045916cd2Sjpk if (is_system_labeled()) { 280145916cd2Sjpk bslabel_t *clabel; 280245916cd2Sjpk 280345916cd2Sjpk ASSERT(req->rq_label != NULL); 280445916cd2Sjpk clabel = req->rq_label; 280545916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 280645916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 280745916cd2Sjpk 280845916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 2809bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 2810bd6f1640SJarrett Lu cs->exi)) { 281145916cd2Sjpk error = EACCES; 281245916cd2Sjpk goto err_out; 281345916cd2Sjpk } 281445916cd2Sjpk } else { 281545916cd2Sjpk /* 281645916cd2Sjpk * We grant access to admin_low label clients 281745916cd2Sjpk * only if the client is trusted, i.e. also 281845916cd2Sjpk * running Solaris Trusted Extension. 281945916cd2Sjpk */ 282045916cd2Sjpk struct sockaddr *ca; 282145916cd2Sjpk int addr_type; 282245916cd2Sjpk void *ipaddr; 282345916cd2Sjpk tsol_tpc_t *tp; 282445916cd2Sjpk 282545916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 282645916cd2Sjpk req->rq_xprt)->buf; 282745916cd2Sjpk if (ca->sa_family == AF_INET) { 282845916cd2Sjpk addr_type = IPV4_VERSION; 282945916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 283045916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 283145916cd2Sjpk addr_type = IPV6_VERSION; 283245916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 283345916cd2Sjpk ca)->sin6_addr; 283445916cd2Sjpk } 283545916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 283645916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 283745916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 283845916cd2Sjpk SUN_CIPSO) { 283903986916Sjarrett if (tp != NULL) 284003986916Sjarrett TPC_RELE(tp); 284145916cd2Sjpk error = EACCES; 284245916cd2Sjpk goto err_out; 284345916cd2Sjpk } 284403986916Sjarrett TPC_RELE(tp); 284545916cd2Sjpk } 284645916cd2Sjpk } 284745916cd2Sjpk 28487c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 28497c478bd9Sstevel@tonic-gate 285045916cd2Sjpk err_out: 28517c478bd9Sstevel@tonic-gate if (error) { 28527c478bd9Sstevel@tonic-gate if (is_newvp) { 28537c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28547c478bd9Sstevel@tonic-gate cs->vp = oldvp; 28557c478bd9Sstevel@tonic-gate } else 28567c478bd9Sstevel@tonic-gate VN_RELE(vp); 28577c478bd9Sstevel@tonic-gate return (puterrno4(error)); 28587c478bd9Sstevel@tonic-gate } 28597c478bd9Sstevel@tonic-gate 28607c478bd9Sstevel@tonic-gate if (!is_newvp) { 28617c478bd9Sstevel@tonic-gate if (cs->vp) 28627c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28637c478bd9Sstevel@tonic-gate cs->vp = vp; 28647c478bd9Sstevel@tonic-gate } else if (oldvp) 28657c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 28667c478bd9Sstevel@tonic-gate 28677c478bd9Sstevel@tonic-gate /* 28687c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 28697c478bd9Sstevel@tonic-gate * attr fh flag 28707c478bd9Sstevel@tonic-gate */ 28717c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 28727c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 28757c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate return (NFS4_OK); 28787c478bd9Sstevel@tonic-gate } 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28817c478bd9Sstevel@tonic-gate static void 28827c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2883d216dff5SRobert Mastors struct compound_state *cs) 28847c478bd9Sstevel@tonic-gate { 28857c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 28867c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 28877c478bd9Sstevel@tonic-gate char *nm; 28887c478bd9Sstevel@tonic-gate uint_t len; 2889b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2890b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 28917c478bd9Sstevel@tonic-gate 2892f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__start, struct compound_state *, cs, 2893f3b585ceSsamf LOOKUP4args *, args); 2894f3b585ceSsamf 28957c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 28967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2897f3b585ceSsamf goto out; 28987c478bd9Sstevel@tonic-gate } 28997c478bd9Sstevel@tonic-gate 29007c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 29017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 2902f3b585ceSsamf goto out; 29037c478bd9Sstevel@tonic-gate } 29047c478bd9Sstevel@tonic-gate 29057c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2907f3b585ceSsamf goto out; 29087c478bd9Sstevel@tonic-gate } 29097c478bd9Sstevel@tonic-gate 29107c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 29117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2912f3b585ceSsamf goto out; 29137c478bd9Sstevel@tonic-gate } 29147c478bd9Sstevel@tonic-gate 29157c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 29167c478bd9Sstevel@tonic-gate if (nm == NULL) { 29177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2918f3b585ceSsamf goto out; 29197c478bd9Sstevel@tonic-gate } 29207c478bd9Sstevel@tonic-gate 29217c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 29227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 29237c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2924f3b585ceSsamf goto out; 29257c478bd9Sstevel@tonic-gate } 29267c478bd9Sstevel@tonic-gate 2927b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 29287c478bd9Sstevel@tonic-gate 2929b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2930b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2931b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2932b89a8333Snatalie li - Sun Microsystems - Irvine United States 2933b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2934b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2935b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2936b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2937b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2938b89a8333Snatalie li - Sun Microsystems - Irvine United States 2939b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_lookup(name, len, req, cs); 2940b89a8333Snatalie li - Sun Microsystems - Irvine United States 2941b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 2942b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 29437c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2944f3b585ceSsamf 2945f3b585ceSsamf out: 2946f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__done, struct compound_state *, cs, 2947f3b585ceSsamf LOOKUP4res *, resp); 29487c478bd9Sstevel@tonic-gate } 29497c478bd9Sstevel@tonic-gate 29507c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29517c478bd9Sstevel@tonic-gate static void 29527c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 2953d216dff5SRobert Mastors struct compound_state *cs) 29547c478bd9Sstevel@tonic-gate { 29557c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 29567c478bd9Sstevel@tonic-gate 2957f3b585ceSsamf DTRACE_NFSV4_1(op__lookupp__start, struct compound_state *, cs); 2958f3b585ceSsamf 29597c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2961f3b585ceSsamf goto out; 29627c478bd9Sstevel@tonic-gate } 29637c478bd9Sstevel@tonic-gate 29647c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2966f3b585ceSsamf goto out; 29677c478bd9Sstevel@tonic-gate } 29687c478bd9Sstevel@tonic-gate 29697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup("..", 3, req, cs); 29707c478bd9Sstevel@tonic-gate 29717c478bd9Sstevel@tonic-gate /* 29727c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 29737c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 29747c478bd9Sstevel@tonic-gate */ 29757c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 29767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 29777c478bd9Sstevel@tonic-gate } 2978f3b585ceSsamf 2979f3b585ceSsamf out: 2980f3b585ceSsamf DTRACE_NFSV4_2(op__lookupp__done, struct compound_state *, cs, 2981f3b585ceSsamf LOOKUPP4res *, resp); 29827c478bd9Sstevel@tonic-gate } 29837c478bd9Sstevel@tonic-gate 29847c478bd9Sstevel@tonic-gate 29857c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 29867c478bd9Sstevel@tonic-gate static void 29877c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2988d216dff5SRobert Mastors struct compound_state *cs) 29897c478bd9Sstevel@tonic-gate { 29907c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 29917c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 29927c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 29937c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 29947c478bd9Sstevel@tonic-gate int exp_ro = 0; 29957c478bd9Sstevel@tonic-gate 2996f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__start, struct compound_state *, cs, 2997f3b585ceSsamf OPENATTR4args *, args); 2998f3b585ceSsamf 29997c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 30007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3001f3b585ceSsamf goto out; 30027c478bd9Sstevel@tonic-gate } 30037c478bd9Sstevel@tonic-gate 3004da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 30059660e5cbSJanice Chang !vfs_has_feature(cs->vp->v_vfsp, VFSFT_SYSATTR_VIEWS)) { 3006f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3007f3b585ceSsamf goto out; 30087c478bd9Sstevel@tonic-gate } 30097c478bd9Sstevel@tonic-gate 301093aeed83Smarks /* 301193aeed83Smarks * If file system supports passing ACE mask to VOP_ACCESS then 301293aeed83Smarks * check for ACE_READ_NAMED_ATTRS, otherwise do legacy checks 301393aeed83Smarks */ 301493aeed83Smarks 301593aeed83Smarks if (vfs_has_feature(cs->vp->v_vfsp, VFSFT_ACEMASKONACCESS)) 301693aeed83Smarks error = VOP_ACCESS(cs->vp, ACE_READ_NAMED_ATTRS, 301793aeed83Smarks V_ACE_MASK, cs->cr, NULL); 301893aeed83Smarks else 301993aeed83Smarks error = ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 302093aeed83Smarks (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 302193aeed83Smarks (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)); 302293aeed83Smarks 302393aeed83Smarks if (error) { 3024f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EACCES); 3025f3b585ceSsamf goto out; 30267c478bd9Sstevel@tonic-gate } 30277c478bd9Sstevel@tonic-gate 30287c478bd9Sstevel@tonic-gate /* 30297c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 30307c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 30317c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 30327c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 30337c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 30347c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 30357c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 30367c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 30377c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 30387c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 30397c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 30407c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 30417c478bd9Sstevel@tonic-gate */ 30427c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 30437c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 30447c478bd9Sstevel@tonic-gate 3045da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 3046da6c28aaSamw NULL, NULL, NULL); 30477c478bd9Sstevel@tonic-gate 30487c478bd9Sstevel@tonic-gate if (error) { 30497c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 3050f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EROFS); 30517c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 3052f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3053f3b585ceSsamf else 3054f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3055f3b585ceSsamf goto out; 30567c478bd9Sstevel@tonic-gate } 30577c478bd9Sstevel@tonic-gate 30587c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 30597c478bd9Sstevel@tonic-gate 30607c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 30617c478bd9Sstevel@tonic-gate 30627c478bd9Sstevel@tonic-gate if (error) { 30637c478bd9Sstevel@tonic-gate VN_RELE(avp); 3064f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3065f3b585ceSsamf goto out; 30667c478bd9Sstevel@tonic-gate } 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 30697c478bd9Sstevel@tonic-gate cs->vp = avp; 30707c478bd9Sstevel@tonic-gate 30717c478bd9Sstevel@tonic-gate /* 30727c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 30737c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 30747c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 30757c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 30767c478bd9Sstevel@tonic-gate */ 30777c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 30787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30797c478bd9Sstevel@tonic-gate 3080f3b585ceSsamf out: 3081f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__done, struct compound_state *, cs, 3082f3b585ceSsamf OPENATTR4res *, resp); 30837c478bd9Sstevel@tonic-gate } 30847c478bd9Sstevel@tonic-gate 30857c478bd9Sstevel@tonic-gate static int 3086da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 3087da6c28aaSamw caller_context_t *ct) 30887c478bd9Sstevel@tonic-gate { 30897c478bd9Sstevel@tonic-gate int error; 30907c478bd9Sstevel@tonic-gate int i; 30917c478bd9Sstevel@tonic-gate clock_t delaytime; 30927c478bd9Sstevel@tonic-gate 30937c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 30947c478bd9Sstevel@tonic-gate 30957c478bd9Sstevel@tonic-gate /* 30967c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 30977c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 30987c478bd9Sstevel@tonic-gate */ 30997c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 31007c478bd9Sstevel@tonic-gate 31017c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 31027c478bd9Sstevel@tonic-gate 31037c478bd9Sstevel@tonic-gate 31047c478bd9Sstevel@tonic-gate if (direction == FREAD) { 3105da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 3106da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 3107da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 31087c478bd9Sstevel@tonic-gate } else { 3109da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 3110da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 3111da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 31127c478bd9Sstevel@tonic-gate } 31137c478bd9Sstevel@tonic-gate 31147c478bd9Sstevel@tonic-gate if (error != EAGAIN) 31157c478bd9Sstevel@tonic-gate break; 31167c478bd9Sstevel@tonic-gate 31177c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 31187c478bd9Sstevel@tonic-gate delay(delaytime); 31197c478bd9Sstevel@tonic-gate delaytime *= 2; 31207c478bd9Sstevel@tonic-gate } 31217c478bd9Sstevel@tonic-gate } 31227c478bd9Sstevel@tonic-gate 31237c478bd9Sstevel@tonic-gate return (error); 31247c478bd9Sstevel@tonic-gate } 31257c478bd9Sstevel@tonic-gate 31267c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31277c478bd9Sstevel@tonic-gate static void 31287c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3129d216dff5SRobert Mastors struct compound_state *cs) 31307c478bd9Sstevel@tonic-gate { 31317c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 31327c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 31337c478bd9Sstevel@tonic-gate int error; 31347c478bd9Sstevel@tonic-gate int verror; 31357c478bd9Sstevel@tonic-gate vnode_t *vp; 31367c478bd9Sstevel@tonic-gate struct vattr va; 31377c478bd9Sstevel@tonic-gate struct iovec iov; 31387c478bd9Sstevel@tonic-gate struct uio uio; 31397c478bd9Sstevel@tonic-gate u_offset_t offset; 31407c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 31417c478bd9Sstevel@tonic-gate nfsstat4 stat; 31427c478bd9Sstevel@tonic-gate int in_crit = 0; 31437c478bd9Sstevel@tonic-gate mblk_t *mp; 31447c478bd9Sstevel@tonic-gate int alloc_err = 0; 3145da6c28aaSamw caller_context_t ct; 31467c478bd9Sstevel@tonic-gate 3147f3b585ceSsamf DTRACE_NFSV4_2(op__read__start, struct compound_state *, cs, 3148f3b585ceSsamf READ4args, args); 3149f3b585ceSsamf 31507c478bd9Sstevel@tonic-gate vp = cs->vp; 31517c478bd9Sstevel@tonic-gate if (vp == NULL) { 31527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3153f3b585ceSsamf goto out; 31547c478bd9Sstevel@tonic-gate } 31557c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 31567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3157f3b585ceSsamf goto out; 31587c478bd9Sstevel@tonic-gate } 31597c478bd9Sstevel@tonic-gate 3160da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3161da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 3162da6c28aaSamw *cs->statusp = resp->status = stat; 3163da6c28aaSamw goto out; 3164da6c28aaSamw } 3165da6c28aaSamw 31667c478bd9Sstevel@tonic-gate /* 31677c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 31687c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 31697c478bd9Sstevel@tonic-gate */ 31707c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 31717c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 31727c478bd9Sstevel@tonic-gate in_crit = 1; 3173da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 3174da6c28aaSamw &ct)) { 31757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 31767c478bd9Sstevel@tonic-gate goto out; 31777c478bd9Sstevel@tonic-gate } 31787c478bd9Sstevel@tonic-gate } 31797c478bd9Sstevel@tonic-gate 31807c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3181da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 31827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 31837c478bd9Sstevel@tonic-gate goto out; 31847c478bd9Sstevel@tonic-gate } 31857c478bd9Sstevel@tonic-gate 31867c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 3187da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 31887c478bd9Sstevel@tonic-gate 31897c478bd9Sstevel@tonic-gate /* 31907c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 31917c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 31927c478bd9Sstevel@tonic-gate */ 31937c478bd9Sstevel@tonic-gate if (verror) { 31947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 31957c478bd9Sstevel@tonic-gate goto out; 31967c478bd9Sstevel@tonic-gate } 31977c478bd9Sstevel@tonic-gate 31987c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 31997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 32001b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 32017c478bd9Sstevel@tonic-gate goto out; 32027c478bd9Sstevel@tonic-gate } 32037c478bd9Sstevel@tonic-gate 32047c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 3205da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 3206da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 32077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32087c478bd9Sstevel@tonic-gate goto out; 32097c478bd9Sstevel@tonic-gate } 32107c478bd9Sstevel@tonic-gate 32117c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 32127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 32137c478bd9Sstevel@tonic-gate goto out; 32147c478bd9Sstevel@tonic-gate } 32157c478bd9Sstevel@tonic-gate 32167c478bd9Sstevel@tonic-gate offset = args->offset; 32177c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 32187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32197c478bd9Sstevel@tonic-gate resp->eof = TRUE; 32207c478bd9Sstevel@tonic-gate resp->data_len = 0; 32217c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32227c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32230a701b1eSRobert Gordon /* RDMA */ 32240a701b1eSRobert Gordon resp->wlist = args->wlist; 32250a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 32267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3227f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3228f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32297c478bd9Sstevel@tonic-gate goto out; 32307c478bd9Sstevel@tonic-gate } 32317c478bd9Sstevel@tonic-gate 32327c478bd9Sstevel@tonic-gate if (args->count == 0) { 32337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32347c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32357c478bd9Sstevel@tonic-gate resp->data_len = 0; 32367c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32377c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32380a701b1eSRobert Gordon /* RDMA */ 32390a701b1eSRobert Gordon resp->wlist = args->wlist; 32400a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 3241f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3242f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32437c478bd9Sstevel@tonic-gate goto out; 32447c478bd9Sstevel@tonic-gate } 32457c478bd9Sstevel@tonic-gate 32467c478bd9Sstevel@tonic-gate /* 32477c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 32487c478bd9Sstevel@tonic-gate * transfer size 32497c478bd9Sstevel@tonic-gate */ 32507c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 32517c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 32527c478bd9Sstevel@tonic-gate 32537c478bd9Sstevel@tonic-gate /* 32540a701b1eSRobert Gordon * If returning data via RDMA Write, then grab the chunk list. If we 32550a701b1eSRobert Gordon * aren't returning READ data w/RDMA_WRITE, then grab a mblk. 32567c478bd9Sstevel@tonic-gate */ 32570a701b1eSRobert Gordon if (args->wlist) { 32580a701b1eSRobert Gordon mp = NULL; 32590a701b1eSRobert Gordon (void) rdma_get_wchunk(req, &iov, args->wlist); 32600a701b1eSRobert Gordon } else { 32610a701b1eSRobert Gordon /* 32620a701b1eSRobert Gordon * mp will contain the data to be sent out in the read reply. 32630a701b1eSRobert Gordon * It will be freed after the reply has been sent. Let's 32640a701b1eSRobert Gordon * roundup the data to a BYTES_PER_XDR_UNIT multiple, so that 32650a701b1eSRobert Gordon * the call to xdrmblk_putmblk() never fails. If the first 32660a701b1eSRobert Gordon * alloc of the requested size fails, then decrease the size to 32670a701b1eSRobert Gordon * something more reasonable and wait for the allocation to 32680a701b1eSRobert Gordon * occur. 32690a701b1eSRobert Gordon */ 32700a701b1eSRobert Gordon mp = allocb(RNDUP(args->count), BPRI_MED); 32710a701b1eSRobert Gordon if (mp == NULL) { 32720a701b1eSRobert Gordon if (args->count > MAXBSIZE) 32730a701b1eSRobert Gordon args->count = MAXBSIZE; 32740a701b1eSRobert Gordon mp = allocb_wait(RNDUP(args->count), BPRI_MED, 32750a701b1eSRobert Gordon STR_NOSIG, &alloc_err); 32760a701b1eSRobert Gordon } 32770a701b1eSRobert Gordon ASSERT(mp != NULL); 32780a701b1eSRobert Gordon ASSERT(alloc_err == 0); 32790a701b1eSRobert Gordon 32800a701b1eSRobert Gordon iov.iov_base = (caddr_t)mp->b_datap->db_base; 32810a701b1eSRobert Gordon iov.iov_len = args->count; 32827c478bd9Sstevel@tonic-gate } 32837c478bd9Sstevel@tonic-gate 32847c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 32857c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 32867c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 32877c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 32887c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 32897c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 32907c478bd9Sstevel@tonic-gate 3291da6c28aaSamw error = do_io(FREAD, vp, &uio, 0, cs->cr, &ct); 32927c478bd9Sstevel@tonic-gate 32937c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3294da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 32957c478bd9Sstevel@tonic-gate 32967c478bd9Sstevel@tonic-gate if (error) { 32977c478bd9Sstevel@tonic-gate freeb(mp); 32987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32997c478bd9Sstevel@tonic-gate goto out; 33007c478bd9Sstevel@tonic-gate } 33017c478bd9Sstevel@tonic-gate 33027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 33037c478bd9Sstevel@tonic-gate 33047c478bd9Sstevel@tonic-gate ASSERT(uio.uio_resid >= 0); 33057c478bd9Sstevel@tonic-gate resp->data_len = args->count - uio.uio_resid; 33060a701b1eSRobert Gordon if (mp) { 33070a701b1eSRobert Gordon resp->data_val = (char *)mp->b_datap->db_base; 33080a701b1eSRobert Gordon } else { 33090a701b1eSRobert Gordon resp->data_val = (caddr_t)iov.iov_base; 33100a701b1eSRobert Gordon } 33117c478bd9Sstevel@tonic-gate resp->mblk = mp; 33127c478bd9Sstevel@tonic-gate 33137c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 33147c478bd9Sstevel@tonic-gate resp->eof = TRUE; 33157c478bd9Sstevel@tonic-gate else 33167c478bd9Sstevel@tonic-gate resp->eof = FALSE; 33177c478bd9Sstevel@tonic-gate 33180a701b1eSRobert Gordon if (args->wlist) { 33190a701b1eSRobert Gordon if (!rdma_setup_read_data4(args, resp)) { 33200a701b1eSRobert Gordon *cs->statusp = resp->status = NFS4ERR_INVAL; 33210a701b1eSRobert Gordon } 33220a701b1eSRobert Gordon } else { 33230a701b1eSRobert Gordon resp->wlist = NULL; 33240a701b1eSRobert Gordon } 33250a701b1eSRobert Gordon 33267c478bd9Sstevel@tonic-gate out: 33277c478bd9Sstevel@tonic-gate if (in_crit) 33287c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 3329f3b585ceSsamf 3330f3b585ceSsamf DTRACE_NFSV4_2(op__read__done, struct compound_state *, cs, 3331f3b585ceSsamf READ4res *, resp); 33327c478bd9Sstevel@tonic-gate } 33337c478bd9Sstevel@tonic-gate 33347c478bd9Sstevel@tonic-gate static void 33357c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 33367c478bd9Sstevel@tonic-gate { 33370a701b1eSRobert Gordon READ4res *resp = &resop->nfs_resop4_u.opread; 33387c478bd9Sstevel@tonic-gate 33397c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 33407c478bd9Sstevel@tonic-gate freeb(resp->mblk); 33417c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33427c478bd9Sstevel@tonic-gate resp->data_val = NULL; 33437c478bd9Sstevel@tonic-gate resp->data_len = 0; 33447c478bd9Sstevel@tonic-gate } 33457c478bd9Sstevel@tonic-gate } 33467c478bd9Sstevel@tonic-gate 33477c478bd9Sstevel@tonic-gate static void 33480a701b1eSRobert Gordon rfs4_op_readdir_free(nfs_resop4 * resop) 33497c478bd9Sstevel@tonic-gate { 33500a701b1eSRobert Gordon READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 33517c478bd9Sstevel@tonic-gate 33527c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 33537c478bd9Sstevel@tonic-gate freeb(resp->mblk); 33547c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33557c478bd9Sstevel@tonic-gate resp->data_len = 0; 33567c478bd9Sstevel@tonic-gate } 33577c478bd9Sstevel@tonic-gate } 33587c478bd9Sstevel@tonic-gate 33597c478bd9Sstevel@tonic-gate 33607c478bd9Sstevel@tonic-gate /* ARGSUSED */ 33617c478bd9Sstevel@tonic-gate static void 33627c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 33630a701b1eSRobert Gordon struct compound_state *cs) 33647c478bd9Sstevel@tonic-gate { 33650a701b1eSRobert Gordon PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 33660a701b1eSRobert Gordon int error; 33670a701b1eSRobert Gordon vnode_t *vp; 33687c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 33690a701b1eSRobert Gordon nfs_fh4_fmt_t *fh_fmtp; 33707c478bd9Sstevel@tonic-gate 3371f3b585ceSsamf DTRACE_NFSV4_1(op__putpubfh__start, struct compound_state *, cs); 3372f3b585ceSsamf 33737c478bd9Sstevel@tonic-gate if (cs->vp) { 33747c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 33757c478bd9Sstevel@tonic-gate cs->vp = NULL; 33767c478bd9Sstevel@tonic-gate } 33777c478bd9Sstevel@tonic-gate 33787c478bd9Sstevel@tonic-gate if (cs->cr) 33797c478bd9Sstevel@tonic-gate crfree(cs->cr); 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 33827c478bd9Sstevel@tonic-gate 33837c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 33847c478bd9Sstevel@tonic-gate if (vp == NULL) { 33857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3386f3b585ceSsamf goto out; 33877c478bd9Sstevel@tonic-gate } 33887c478bd9Sstevel@tonic-gate 33897c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 33907c478bd9Sstevel@tonic-gate if (error != 0) { 33917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3392f3b585ceSsamf goto out; 33937c478bd9Sstevel@tonic-gate } 33947c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 33957c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 33967c478bd9Sstevel@tonic-gate /* 33977c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 33987c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 33997c478bd9Sstevel@tonic-gate * is exported. 34007c478bd9Sstevel@tonic-gate */ 34017c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 34027c478bd9Sstevel@tonic-gate 34037c478bd9Sstevel@tonic-gate /* 34047c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 34057c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 34067c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 34077c478bd9Sstevel@tonic-gate */ 34087c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 34091b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 34107c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 34117c478bd9Sstevel@tonic-gate } else { 34127c478bd9Sstevel@tonic-gate /* 34137c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 34147c478bd9Sstevel@tonic-gate */ 34157c478bd9Sstevel@tonic-gate cs->exi = exi_public; 34167c478bd9Sstevel@tonic-gate } 34177c478bd9Sstevel@tonic-gate 3418bd6f1640SJarrett Lu if (is_system_labeled()) { 3419bd6f1640SJarrett Lu bslabel_t *clabel; 3420bd6f1640SJarrett Lu 3421bd6f1640SJarrett Lu ASSERT(req->rq_label != NULL); 3422bd6f1640SJarrett Lu clabel = req->rq_label; 3423bd6f1640SJarrett Lu DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 3424bd6f1640SJarrett Lu "got client label from request(1)", 3425bd6f1640SJarrett Lu struct svc_req *, req); 3426bd6f1640SJarrett Lu if (!blequal(&l_admin_low->tsl_label, clabel)) { 3427bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 3428bd6f1640SJarrett Lu cs->exi)) { 3429bd6f1640SJarrett Lu *cs->statusp = resp->status = 3430bd6f1640SJarrett Lu NFS4ERR_SERVERFAULT; 3431bd6f1640SJarrett Lu goto out; 3432bd6f1640SJarrett Lu } 3433bd6f1640SJarrett Lu } 3434bd6f1640SJarrett Lu } 3435bd6f1640SJarrett Lu 34367c478bd9Sstevel@tonic-gate VN_HOLD(vp); 34377c478bd9Sstevel@tonic-gate cs->vp = vp; 34387c478bd9Sstevel@tonic-gate 34397c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34407c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34417c478bd9Sstevel@tonic-gate cs->vp = NULL; 34427c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3443f3b585ceSsamf goto out; 34447c478bd9Sstevel@tonic-gate } 34457c478bd9Sstevel@tonic-gate 34467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3447f3b585ceSsamf out: 3448f3b585ceSsamf DTRACE_NFSV4_2(op__putpubfh__done, struct compound_state *, cs, 3449f3b585ceSsamf PUTPUBFH4res *, resp); 34507c478bd9Sstevel@tonic-gate } 34517c478bd9Sstevel@tonic-gate 34527c478bd9Sstevel@tonic-gate /* 34537c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 34547c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 34557c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 34567c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 34577c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 34587c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 34597c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 34607c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 34617c478bd9Sstevel@tonic-gate * know what the anonymous user is. 34627c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 34637c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 34647c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 34657c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 34667c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 34677c478bd9Sstevel@tonic-gate */ 34687c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34697c478bd9Sstevel@tonic-gate static void 34707c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3471d216dff5SRobert Mastors struct compound_state *cs) 34727c478bd9Sstevel@tonic-gate { 34737c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 34747c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 34757c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 34767c478bd9Sstevel@tonic-gate 3477f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__start, struct compound_state *, cs, 3478f3b585ceSsamf PUTFH4args *, args); 3479f3b585ceSsamf 34807c478bd9Sstevel@tonic-gate if (cs->vp) { 34817c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34827c478bd9Sstevel@tonic-gate cs->vp = NULL; 34837c478bd9Sstevel@tonic-gate } 34847c478bd9Sstevel@tonic-gate 34857c478bd9Sstevel@tonic-gate if (cs->cr) { 34867c478bd9Sstevel@tonic-gate crfree(cs->cr); 34877c478bd9Sstevel@tonic-gate cs->cr = NULL; 34887c478bd9Sstevel@tonic-gate } 34897c478bd9Sstevel@tonic-gate 34907c478bd9Sstevel@tonic-gate 34917c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 34927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 3493f3b585ceSsamf goto out; 34947c478bd9Sstevel@tonic-gate } 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 34977c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 34981b300de9Sjwahlig NULL); 34997c478bd9Sstevel@tonic-gate 35007c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 35017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 3502f3b585ceSsamf goto out; 35037c478bd9Sstevel@tonic-gate } 35047c478bd9Sstevel@tonic-gate 35057c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35067c478bd9Sstevel@tonic-gate 35077c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 35087c478bd9Sstevel@tonic-gate 35097c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 35107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 3511f3b585ceSsamf goto out; 35127c478bd9Sstevel@tonic-gate } 35137c478bd9Sstevel@tonic-gate 35147c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35157c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35167c478bd9Sstevel@tonic-gate cs->vp = NULL; 3517f3b585ceSsamf goto out; 35187c478bd9Sstevel@tonic-gate } 35197c478bd9Sstevel@tonic-gate 35207c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 35217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35227c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3523f3b585ceSsamf 3524f3b585ceSsamf out: 3525f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__done, struct compound_state *, cs, 3526f3b585ceSsamf PUTFH4res *, resp); 35277c478bd9Sstevel@tonic-gate } 35287c478bd9Sstevel@tonic-gate 35297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35307c478bd9Sstevel@tonic-gate static void 35317c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3532d216dff5SRobert Mastors struct compound_state *cs) 35337c478bd9Sstevel@tonic-gate { 35347c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 35357c478bd9Sstevel@tonic-gate int error; 35367c478bd9Sstevel@tonic-gate fid_t fid; 35377c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 35387c478bd9Sstevel@tonic-gate 3539f3b585ceSsamf DTRACE_NFSV4_1(op__putrootfh__start, struct compound_state *, cs); 3540f3b585ceSsamf 35417c478bd9Sstevel@tonic-gate if (cs->vp) { 35427c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35437c478bd9Sstevel@tonic-gate cs->vp = NULL; 35447c478bd9Sstevel@tonic-gate } 35457c478bd9Sstevel@tonic-gate 35467c478bd9Sstevel@tonic-gate if (cs->cr) 35477c478bd9Sstevel@tonic-gate crfree(cs->cr); 35487c478bd9Sstevel@tonic-gate 35497c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35507c478bd9Sstevel@tonic-gate 35517c478bd9Sstevel@tonic-gate /* 35527c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 35537c478bd9Sstevel@tonic-gate * get its fid. 35547c478bd9Sstevel@tonic-gate */ 35557c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 35567c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 35577c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 35587c478bd9Sstevel@tonic-gate if (error != 0) { 35597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3560f3b585ceSsamf goto out; 35617c478bd9Sstevel@tonic-gate } 35627c478bd9Sstevel@tonic-gate 35637c478bd9Sstevel@tonic-gate /* 35647c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 35657c478bd9Sstevel@tonic-gate * 35667c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 35677c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 35687c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 35697c478bd9Sstevel@tonic-gate * file tree. 35707c478bd9Sstevel@tonic-gate */ 35717c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 35727c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 35737c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 3574d216dff5SRobert Mastors (CE_WARN, "rfs4_op_putrootfh: export check failure")); 35757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3576f3b585ceSsamf goto out; 35777c478bd9Sstevel@tonic-gate } 35787c478bd9Sstevel@tonic-gate 35797c478bd9Sstevel@tonic-gate /* 35807c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 35817c478bd9Sstevel@tonic-gate * export and root vnode. 35827c478bd9Sstevel@tonic-gate */ 35837c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 35847c478bd9Sstevel@tonic-gate if (error != 0) { 35857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3586f3b585ceSsamf goto out; 35877c478bd9Sstevel@tonic-gate } 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 35907c478bd9Sstevel@tonic-gate cs->exi = exi; 35917c478bd9Sstevel@tonic-gate 35927c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 35937c478bd9Sstevel@tonic-gate cs->vp = rootdir; 35947c478bd9Sstevel@tonic-gate 35957c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35967c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 35977c478bd9Sstevel@tonic-gate cs->vp = NULL; 35987c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3599f3b585ceSsamf goto out; 36007c478bd9Sstevel@tonic-gate } 36017c478bd9Sstevel@tonic-gate 36027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 36037c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3604f3b585ceSsamf out: 3605f3b585ceSsamf DTRACE_NFSV4_2(op__putrootfh__done, struct compound_state *, cs, 3606f3b585ceSsamf PUTROOTFH4res *, resp); 36077c478bd9Sstevel@tonic-gate } 36087c478bd9Sstevel@tonic-gate 36097c478bd9Sstevel@tonic-gate /* 36107c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 36117c478bd9Sstevel@tonic-gate * - it has a non-zero ino 36127c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 36137c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 36147c478bd9Sstevel@tonic-gate * only have a limited view. 36157c478bd9Sstevel@tonic-gate */ 36167c478bd9Sstevel@tonic-gate static bool_t 36177c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 3618d216dff5SRobert Mastors int *expseudo, int check_visible) 36197c478bd9Sstevel@tonic-gate { 36207c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 36217c478bd9Sstevel@tonic-gate *expseudo = 0; 36227c478bd9Sstevel@tonic-gate return (FALSE); 36237c478bd9Sstevel@tonic-gate } 36247c478bd9Sstevel@tonic-gate 36257c478bd9Sstevel@tonic-gate if (! check_visible) { 36267c478bd9Sstevel@tonic-gate *expseudo = 0; 36277c478bd9Sstevel@tonic-gate return (TRUE); 36287c478bd9Sstevel@tonic-gate } 36297c478bd9Sstevel@tonic-gate 36307c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 36317c478bd9Sstevel@tonic-gate } 36327c478bd9Sstevel@tonic-gate 36337c478bd9Sstevel@tonic-gate /* 36347c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 36357c478bd9Sstevel@tonic-gate * to get for each directory entry. 36367c478bd9Sstevel@tonic-gate */ 36377c478bd9Sstevel@tonic-gate static nfsstat4 36387c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 3639d216dff5SRobert Mastors bitmap4 attrs, bool_t *need_to_lookup) 36407c478bd9Sstevel@tonic-gate { 36417c478bd9Sstevel@tonic-gate uint_t va_mask; 36427c478bd9Sstevel@tonic-gate nfsstat4 status; 36437c478bd9Sstevel@tonic-gate bitmap4 objbits; 36447c478bd9Sstevel@tonic-gate 36457c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 36467c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 36477c478bd9Sstevel@tonic-gate /* 36487c478bd9Sstevel@tonic-gate * could not even figure attr mask 36497c478bd9Sstevel@tonic-gate */ 36507c478bd9Sstevel@tonic-gate return (status); 36517c478bd9Sstevel@tonic-gate } 36527c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 36537c478bd9Sstevel@tonic-gate 36547c478bd9Sstevel@tonic-gate /* 36557c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 36567c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 36577c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 36587c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 36597c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 36607c478bd9Sstevel@tonic-gate */ 36617c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 36627c478bd9Sstevel@tonic-gate 36637c478bd9Sstevel@tonic-gate /* 36647c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 36657c478bd9Sstevel@tonic-gate * a) vattr attrs 36667c478bd9Sstevel@tonic-gate * b) vfs attrs 36677c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 36687c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 36697c478bd9Sstevel@tonic-gate */ 36707c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 36717c478bd9Sstevel@tonic-gate 36727c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 36737c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 36747c478bd9Sstevel@tonic-gate else 36757c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36767c478bd9Sstevel@tonic-gate 36777c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 36787c478bd9Sstevel@tonic-gate return (NFS4_OK); 36797c478bd9Sstevel@tonic-gate 36807c478bd9Sstevel@tonic-gate /* 36817c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 36827c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 36837c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 36847c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 36857c478bd9Sstevel@tonic-gate */ 36867c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 36877c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 36887c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 36897c478bd9Sstevel@tonic-gate 36907c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 36917c478bd9Sstevel@tonic-gate /* 36927c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 36937c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 36947c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 36957c478bd9Sstevel@tonic-gate */ 36967c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 36977c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36987c478bd9Sstevel@tonic-gate /* 36997c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 37007c478bd9Sstevel@tonic-gate */ 37017c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 37027c478bd9Sstevel@tonic-gate status = NFS4_OK; 37037c478bd9Sstevel@tonic-gate } 37047c478bd9Sstevel@tonic-gate 37057c478bd9Sstevel@tonic-gate return (status); 37067c478bd9Sstevel@tonic-gate } 37077c478bd9Sstevel@tonic-gate 37087c478bd9Sstevel@tonic-gate /* 37097c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 37107c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 37117c478bd9Sstevel@tonic-gate */ 37127c478bd9Sstevel@tonic-gate 37137c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37147c478bd9Sstevel@tonic-gate static void 37157c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3716d216dff5SRobert Mastors struct compound_state *cs) 37177c478bd9Sstevel@tonic-gate { 37187c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 37197c478bd9Sstevel@tonic-gate int error; 37207c478bd9Sstevel@tonic-gate vnode_t *vp; 37217c478bd9Sstevel@tonic-gate struct iovec iov; 37227c478bd9Sstevel@tonic-gate struct vattr va; 37237c478bd9Sstevel@tonic-gate struct uio uio; 37247c478bd9Sstevel@tonic-gate char *data; 3725b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3726b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 3727*2f172c55SRobert Thurlow int is_referral; 37287c478bd9Sstevel@tonic-gate 3729f3b585ceSsamf DTRACE_NFSV4_1(op__readlink__start, struct compound_state *, cs); 3730f3b585ceSsamf 37317c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 37327c478bd9Sstevel@tonic-gate vp = cs->vp; 37337c478bd9Sstevel@tonic-gate if (vp == NULL) { 37347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3735f3b585ceSsamf goto out; 37367c478bd9Sstevel@tonic-gate } 37377c478bd9Sstevel@tonic-gate 37387c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3740f3b585ceSsamf goto out; 37417c478bd9Sstevel@tonic-gate } 37427c478bd9Sstevel@tonic-gate 3743*2f172c55SRobert Thurlow /* Is it a referral? */ 3744*2f172c55SRobert Thurlow if (vn_is_nfs_reparse(vp, cs->cr) && client_is_downrev(req)) { 3745*2f172c55SRobert Thurlow 3746*2f172c55SRobert Thurlow is_referral = 1; 3747*2f172c55SRobert Thurlow 3748*2f172c55SRobert Thurlow } else { 3749*2f172c55SRobert Thurlow 3750*2f172c55SRobert Thurlow is_referral = 0; 3751*2f172c55SRobert Thurlow 3752*2f172c55SRobert Thurlow if (vp->v_type == VDIR) { 3753*2f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_ISDIR; 3754*2f172c55SRobert Thurlow goto out; 3755*2f172c55SRobert Thurlow } 3756*2f172c55SRobert Thurlow 3757*2f172c55SRobert Thurlow if (vp->v_type != VLNK) { 3758*2f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_INVAL; 3759*2f172c55SRobert Thurlow goto out; 3760*2f172c55SRobert Thurlow } 37617c478bd9Sstevel@tonic-gate 37627c478bd9Sstevel@tonic-gate } 37637c478bd9Sstevel@tonic-gate 37647c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3765da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 37667c478bd9Sstevel@tonic-gate if (error) { 37677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3768f3b585ceSsamf goto out; 37697c478bd9Sstevel@tonic-gate } 37707c478bd9Sstevel@tonic-gate 37717c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 37727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3773f3b585ceSsamf goto out; 37747c478bd9Sstevel@tonic-gate } 37757c478bd9Sstevel@tonic-gate 37767c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 37777c478bd9Sstevel@tonic-gate 3778*2f172c55SRobert Thurlow if (is_referral) { 3779*2f172c55SRobert Thurlow char *s; 3780*2f172c55SRobert Thurlow size_t strsz; 3781*2f172c55SRobert Thurlow 3782*2f172c55SRobert Thurlow /* Get an artificial symlink based on a referral */ 3783*2f172c55SRobert Thurlow s = build_symlink(vp, cs->cr, &strsz); 3784*2f172c55SRobert Thurlow global_svstat_ptr[4][NFS_REFERLINKS].value.ui64++; 3785*2f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__reflink, 3786*2f172c55SRobert Thurlow vnode_t *, vp, char *, s); 3787*2f172c55SRobert Thurlow if (s == NULL) 3788*2f172c55SRobert Thurlow error = EINVAL; 3789*2f172c55SRobert Thurlow else { 3790*2f172c55SRobert Thurlow error = 0; 3791*2f172c55SRobert Thurlow (void) strlcpy(data, s, MAXPATHLEN + 1); 3792*2f172c55SRobert Thurlow kmem_free(s, strsz); 3793*2f172c55SRobert Thurlow } 3794*2f172c55SRobert Thurlow 3795*2f172c55SRobert Thurlow } else { 3796*2f172c55SRobert Thurlow 3797*2f172c55SRobert Thurlow iov.iov_base = data; 3798*2f172c55SRobert Thurlow iov.iov_len = MAXPATHLEN; 3799*2f172c55SRobert Thurlow uio.uio_iov = &iov; 3800*2f172c55SRobert Thurlow uio.uio_iovcnt = 1; 3801*2f172c55SRobert Thurlow uio.uio_segflg = UIO_SYSSPACE; 3802*2f172c55SRobert Thurlow uio.uio_extflg = UIO_COPY_CACHED; 3803*2f172c55SRobert Thurlow uio.uio_loffset = 0; 3804*2f172c55SRobert Thurlow uio.uio_resid = MAXPATHLEN; 3805*2f172c55SRobert Thurlow 3806*2f172c55SRobert Thurlow error = VOP_READLINK(vp, &uio, cs->cr, NULL); 38077c478bd9Sstevel@tonic-gate 3808*2f172c55SRobert Thurlow if (!error) 3809*2f172c55SRobert Thurlow *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 3810*2f172c55SRobert Thurlow } 38117c478bd9Sstevel@tonic-gate 38127c478bd9Sstevel@tonic-gate if (error) { 38137c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3815f3b585ceSsamf goto out; 38167c478bd9Sstevel@tonic-gate } 38177c478bd9Sstevel@tonic-gate 3818b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 3819b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, data, NFSCMD_CONV_OUTBOUND, 3820b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 3821b89a8333Snatalie li - Sun Microsystems - Irvine United States 3822b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 3823b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 3824b89a8333Snatalie li - Sun Microsystems - Irvine United States * Even though the conversion failed, we return 3825b89a8333Snatalie li - Sun Microsystems - Irvine United States * something. We just don't translate it. 3826b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 3827b89a8333Snatalie li - Sun Microsystems - Irvine United States name = data; 3828b89a8333Snatalie li - Sun Microsystems - Irvine United States } 3829b89a8333Snatalie li - Sun Microsystems - Irvine United States 38307c478bd9Sstevel@tonic-gate /* 38317c478bd9Sstevel@tonic-gate * treat link name as data 38327c478bd9Sstevel@tonic-gate */ 3833b89a8333Snatalie li - Sun Microsystems - Irvine United States (void) str_to_utf8(name, &resp->link); 38347c478bd9Sstevel@tonic-gate 3835b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != data) 3836b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 38377c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3839f3b585ceSsamf 3840f3b585ceSsamf out: 3841f3b585ceSsamf DTRACE_NFSV4_2(op__readlink__done, struct compound_state *, cs, 3842f3b585ceSsamf READLINK4res *, resp); 38437c478bd9Sstevel@tonic-gate } 38447c478bd9Sstevel@tonic-gate 38457c478bd9Sstevel@tonic-gate static void 38467c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 38477c478bd9Sstevel@tonic-gate { 38487c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 38497c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 38507c478bd9Sstevel@tonic-gate 38517c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 38527c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 38537c478bd9Sstevel@tonic-gate } 38547c478bd9Sstevel@tonic-gate } 38557c478bd9Sstevel@tonic-gate 38567c478bd9Sstevel@tonic-gate /* 38577c478bd9Sstevel@tonic-gate * release_lockowner: 38587c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 38597c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 38607c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 38617c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 38627c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 38637c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 38647c478bd9Sstevel@tonic-gate * args: lock_owner 38657c478bd9Sstevel@tonic-gate * res: status 38667c478bd9Sstevel@tonic-gate */ 38677c478bd9Sstevel@tonic-gate /* ARGSUSED */ 38687c478bd9Sstevel@tonic-gate static void 38697c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 3870d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 38717c478bd9Sstevel@tonic-gate { 38727c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 38737c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 38747c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 3875d216dff5SRobert Mastors rfs4_openowner_t *oo; 38767c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 38777c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 38787c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 38797c478bd9Sstevel@tonic-gate bool_t create = FALSE; 38807c478bd9Sstevel@tonic-gate locklist_t *llist; 38817c478bd9Sstevel@tonic-gate sysid_t sysid; 38827c478bd9Sstevel@tonic-gate 3883f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__start, struct compound_state *, 3884f3b585ceSsamf cs, RELEASE_LOCKOWNER4args *, ap); 3885f3b585ceSsamf 38867c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 38877c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 38887c478bd9Sstevel@tonic-gate 38897c478bd9Sstevel@tonic-gate if (cp == NULL) { 38907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 38911b300de9Sjwahlig rfs4_check_clientid(&ap->lock_owner.clientid, 0); 3892f3b585ceSsamf goto out; 38937c478bd9Sstevel@tonic-gate } 38947c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 38957c478bd9Sstevel@tonic-gate 38967c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 38977c478bd9Sstevel@tonic-gate if (lo == NULL) { 38987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3899f3b585ceSsamf goto out; 39007c478bd9Sstevel@tonic-gate } 3901d216dff5SRobert Mastors ASSERT(lo->rl_client != NULL); 39027c478bd9Sstevel@tonic-gate 39037c478bd9Sstevel@tonic-gate /* 39047c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 39057c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 39067c478bd9Sstevel@tonic-gate */ 3907d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 39087c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 3910f3b585ceSsamf goto out; 39117c478bd9Sstevel@tonic-gate } 39127c478bd9Sstevel@tonic-gate 39137c478bd9Sstevel@tonic-gate /* 39147c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 39157c478bd9Sstevel@tonic-gate */ 3916d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3917d216dff5SRobert Mastors if (lo->rl_client->rc_sysidt == LM_NOSYSID) { 39187c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3919d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 3920f3b585ceSsamf goto out; 39217c478bd9Sstevel@tonic-gate } 39227c478bd9Sstevel@tonic-gate 3923d216dff5SRobert Mastors sysid = lo->rl_client->rc_sysidt; 3924d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 39257c478bd9Sstevel@tonic-gate 39267c478bd9Sstevel@tonic-gate /* 39277c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 39287c478bd9Sstevel@tonic-gate */ 3929d216dff5SRobert Mastors rfs4_dbe_hide(lo->rl_dbe); 39307c478bd9Sstevel@tonic-gate 39317c478bd9Sstevel@tonic-gate /* 39327c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 39337c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 39347c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 39357c478bd9Sstevel@tonic-gate * current locks. 39367c478bd9Sstevel@tonic-gate */ 39377c478bd9Sstevel@tonic-gate 3938d216dff5SRobert Mastors llist = flk_get_active_locks(sysid, lo->rl_pid); 39397c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 39407c478bd9Sstevel@tonic-gate if (llist != NULL) { 39417c478bd9Sstevel@tonic-gate 39427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 39437c478bd9Sstevel@tonic-gate 39447c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 39457c478bd9Sstevel@tonic-gate /* 39467c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 39477c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 39487c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 39497c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 39507c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 39517c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 39527c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 39537c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 39547c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 39557c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 39567c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 39577c478bd9Sstevel@tonic-gate * reissuing the request. 39587c478bd9Sstevel@tonic-gate */ 3959d216dff5SRobert Mastors rfs4_dbe_unhide(lo->rl_dbe); 39607c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3961f3b585ceSsamf goto out; 39627c478bd9Sstevel@tonic-gate } 39637c478bd9Sstevel@tonic-gate 39647c478bd9Sstevel@tonic-gate /* 39657c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 39667c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 39677c478bd9Sstevel@tonic-gate * with this lockowner. 39687c478bd9Sstevel@tonic-gate */ 39697c478bd9Sstevel@tonic-gate 3970d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3971d216dff5SRobert Mastors for (oo = list_head(&lo->rl_client->rc_openownerlist); oo != NULL; 3972d216dff5SRobert Mastors oo = list_next(&lo->rl_client->rc_openownerlist, oo)) { 39737c478bd9Sstevel@tonic-gate 3974d216dff5SRobert Mastors rfs4_dbe_lock(oo->ro_dbe); 3975d216dff5SRobert Mastors for (sp = list_head(&oo->ro_statelist); sp != NULL; 3976d216dff5SRobert Mastors sp = list_next(&oo->ro_statelist, sp)) { 39777c478bd9Sstevel@tonic-gate 3978d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 3979d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); 3980d216dff5SRobert Mastors lsp != NULL; 3981d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 3982d216dff5SRobert Mastors if (lsp->rls_locker == lo) { 3983d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 3984d216dff5SRobert Mastors rfs4_dbe_invalidate(lsp->rls_dbe); 3985d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 39867c478bd9Sstevel@tonic-gate } 39877c478bd9Sstevel@tonic-gate } 3988d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 39897c478bd9Sstevel@tonic-gate } 3990d216dff5SRobert Mastors rfs4_dbe_unlock(oo->ro_dbe); 39917c478bd9Sstevel@tonic-gate } 3992d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 39937c478bd9Sstevel@tonic-gate 39947c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39957c478bd9Sstevel@tonic-gate 39967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3997f3b585ceSsamf 3998f3b585ceSsamf out: 3999f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__done, struct compound_state *, 4000f3b585ceSsamf cs, RELEASE_LOCKOWNER4res *, resp); 40017c478bd9Sstevel@tonic-gate } 40027c478bd9Sstevel@tonic-gate 40037c478bd9Sstevel@tonic-gate /* 40047c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 40057c478bd9Sstevel@tonic-gate */ 40067c478bd9Sstevel@tonic-gate static rfs4_file_t * 40077c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 4008d216dff5SRobert Mastors int *lkup_error, cred_t *cr) 40097c478bd9Sstevel@tonic-gate { 40107c478bd9Sstevel@tonic-gate vnode_t *vp; 40117c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 40127c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 40137c478bd9Sstevel@tonic-gate int error; 40147c478bd9Sstevel@tonic-gate 40157c478bd9Sstevel@tonic-gate if (vpp) 40167c478bd9Sstevel@tonic-gate *vpp = NULL; 40177c478bd9Sstevel@tonic-gate 4018da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 4019da6c28aaSamw NULL)) == 0) { 40207c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 40217c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 40227c478bd9Sstevel@tonic-gate if (vpp) 40237c478bd9Sstevel@tonic-gate *vpp = vp; 40247c478bd9Sstevel@tonic-gate else 40257c478bd9Sstevel@tonic-gate VN_RELE(vp); 40267c478bd9Sstevel@tonic-gate } 40277c478bd9Sstevel@tonic-gate 40287c478bd9Sstevel@tonic-gate if (lkup_error) 40297c478bd9Sstevel@tonic-gate *lkup_error = error; 40307c478bd9Sstevel@tonic-gate 40317c478bd9Sstevel@tonic-gate return (fp); 40327c478bd9Sstevel@tonic-gate } 40337c478bd9Sstevel@tonic-gate 40347c478bd9Sstevel@tonic-gate /* 40357c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 40367c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 40377c478bd9Sstevel@tonic-gate * for directory. 40387c478bd9Sstevel@tonic-gate */ 40397c478bd9Sstevel@tonic-gate /* ARGSUSED */ 40407c478bd9Sstevel@tonic-gate static void 40417c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4042d216dff5SRobert Mastors struct compound_state *cs) 40437c478bd9Sstevel@tonic-gate { 40447c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 40457c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 40467c478bd9Sstevel@tonic-gate int error; 40477c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 40487c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 40497c478bd9Sstevel@tonic-gate char *nm; 40507c478bd9Sstevel@tonic-gate uint_t len; 40517c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 40527c478bd9Sstevel@tonic-gate int in_crit = 0; 405345916cd2Sjpk bslabel_t *clabel; 4054b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4055b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 40567c478bd9Sstevel@tonic-gate 4057f3b585ceSsamf DTRACE_NFSV4_2(op__remove__start, struct compound_state *, cs, 4058f3b585ceSsamf REMOVE4args *, args); 4059f3b585ceSsamf 40607c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 40617c478bd9Sstevel@tonic-gate dvp = cs->vp; 40627c478bd9Sstevel@tonic-gate if (dvp == NULL) { 40637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4064f3b585ceSsamf goto out; 40657c478bd9Sstevel@tonic-gate } 40667c478bd9Sstevel@tonic-gate 40677c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 40687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4069f3b585ceSsamf goto out; 40707c478bd9Sstevel@tonic-gate } 40717c478bd9Sstevel@tonic-gate 40727c478bd9Sstevel@tonic-gate /* 40737c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40747c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 40757c478bd9Sstevel@tonic-gate */ 40767c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 40777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4078f3b585ceSsamf goto out; 40797c478bd9Sstevel@tonic-gate } 40807c478bd9Sstevel@tonic-gate 40817c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 40827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4083f3b585ceSsamf goto out; 40847c478bd9Sstevel@tonic-gate } 40857c478bd9Sstevel@tonic-gate 40867c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->target)) { 40877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4088f3b585ceSsamf goto out; 40897c478bd9Sstevel@tonic-gate } 40907c478bd9Sstevel@tonic-gate 40917c478bd9Sstevel@tonic-gate /* 40927c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 40937c478bd9Sstevel@tonic-gate */ 40947c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 40957c478bd9Sstevel@tonic-gate if (nm == NULL) { 40967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4097f3b585ceSsamf goto out; 40987c478bd9Sstevel@tonic-gate } 40997c478bd9Sstevel@tonic-gate 41007c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 41017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 41027c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4103f3b585ceSsamf goto out; 41047c478bd9Sstevel@tonic-gate } 41057c478bd9Sstevel@tonic-gate 41067c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 41077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 41087c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4109f3b585ceSsamf goto out; 41107c478bd9Sstevel@tonic-gate } 41117c478bd9Sstevel@tonic-gate 4112b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 4113b89a8333Snatalie li - Sun Microsystems - Irvine United States 4114b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4115b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 4116b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4117b89a8333Snatalie li - Sun Microsystems - Irvine United States 4118b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 4119b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4120b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 4121b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4122b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4123b89a8333Snatalie li - Sun Microsystems - Irvine United States 41247c478bd9Sstevel@tonic-gate /* 41257c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 41267c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 41277c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 41287c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 41297c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 41307c478bd9Sstevel@tonic-gate */ 4131b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr)) { 41327c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 41331b300de9Sjwahlig NULL)) { 41347c478bd9Sstevel@tonic-gate VN_RELE(vp); 41357c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 4137b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4138b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41397c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4140f3b585ceSsamf goto out; 41417c478bd9Sstevel@tonic-gate } 41427c478bd9Sstevel@tonic-gate } 41437c478bd9Sstevel@tonic-gate 41447c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 41457c478bd9Sstevel@tonic-gate if (vp == NULL) { 41467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 4147b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4148b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41497c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4150f3b585ceSsamf goto out; 41517c478bd9Sstevel@tonic-gate } 41527c478bd9Sstevel@tonic-gate 41537c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 41547c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 41557c478bd9Sstevel@tonic-gate in_crit = 1; 4156da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 41577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 4158b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4159b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41607c478bd9Sstevel@tonic-gate kmem_free(nm, len); 41617c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 41627c478bd9Sstevel@tonic-gate VN_RELE(vp); 41637c478bd9Sstevel@tonic-gate if (fp) { 41647c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 41657c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41667c478bd9Sstevel@tonic-gate } 4167f3b585ceSsamf goto out; 41687c478bd9Sstevel@tonic-gate } 41697c478bd9Sstevel@tonic-gate } 41707c478bd9Sstevel@tonic-gate 417145916cd2Sjpk /* check label before allowing removal */ 417245916cd2Sjpk if (is_system_labeled()) { 417345916cd2Sjpk ASSERT(req->rq_label != NULL); 417445916cd2Sjpk clabel = req->rq_label; 417545916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 417645916cd2Sjpk "got client label from request(1)", 417745916cd2Sjpk struct svc_req *, req); 417845916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 4179bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, EQUALITY_CHECK, 4180bd6f1640SJarrett Lu cs->exi)) { 418145916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4182b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 4183b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 418445916cd2Sjpk kmem_free(nm, len); 418545916cd2Sjpk if (in_crit) 418645916cd2Sjpk nbl_end_crit(vp); 418745916cd2Sjpk VN_RELE(vp); 418845916cd2Sjpk if (fp) { 418945916cd2Sjpk rfs4_clear_dont_grant(fp); 419045916cd2Sjpk rfs4_file_rele(fp); 419145916cd2Sjpk } 4192f3b585ceSsamf goto out; 419345916cd2Sjpk } 419445916cd2Sjpk } 419545916cd2Sjpk } 419645916cd2Sjpk 41977c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 41987c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 4199da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 42007c478bd9Sstevel@tonic-gate if (error) { 42017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4202b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4203b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42047c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4205a08f57bcSJames Wahlig if (in_crit) 4206a08f57bcSJames Wahlig nbl_end_crit(vp); 4207a08f57bcSJames Wahlig VN_RELE(vp); 4208a08f57bcSJames Wahlig if (fp) { 4209a08f57bcSJames Wahlig rfs4_clear_dont_grant(fp); 4210a08f57bcSJames Wahlig rfs4_file_rele(fp); 4211a08f57bcSJames Wahlig } 4212f3b585ceSsamf goto out; 42137c478bd9Sstevel@tonic-gate } 42147c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 42157c478bd9Sstevel@tonic-gate 42167c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 42177c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 42187c478bd9Sstevel@tonic-gate /* 42197c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 42207c478bd9Sstevel@tonic-gate */ 42217c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 42227c478bd9Sstevel@tonic-gate error = EACCES; 42237c478bd9Sstevel@tonic-gate } else { 42247c478bd9Sstevel@tonic-gate /* 42257c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 42267c478bd9Sstevel@tonic-gate * not * ENOTEMPTY, if the directory is not 42277c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 42287c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 42297c478bd9Sstevel@tonic-gate * transmit over the wire. 42307c478bd9Sstevel@tonic-gate */ 4231da6c28aaSamw if ((error = VOP_RMDIR(dvp, nm, rootdir, cs->cr, 4232da6c28aaSamw NULL, 0)) == EEXIST) 42337c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 42347c478bd9Sstevel@tonic-gate } 42357c478bd9Sstevel@tonic-gate } else { 4236b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_REMOVE(dvp, name, cs->cr, NULL, 0)) == 0 && 42371b300de9Sjwahlig fp != NULL) { 42387c478bd9Sstevel@tonic-gate struct vattr va; 4239418d27f3Sshepler vnode_t *tvp; 42407c478bd9Sstevel@tonic-gate 4241d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4242d216dff5SRobert Mastors tvp = fp->rf_vp; 4243418d27f3Sshepler if (tvp) 4244418d27f3Sshepler VN_HOLD(tvp); 4245d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4246418d27f3Sshepler 4247418d27f3Sshepler if (tvp) { 4248418d27f3Sshepler /* 4249418d27f3Sshepler * This is va_seq safe because we are not 4250418d27f3Sshepler * manipulating dvp. 4251418d27f3Sshepler */ 4252418d27f3Sshepler va.va_mask = AT_NLINK; 4253da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 42541b300de9Sjwahlig va.va_nlink == 0) { 4255418d27f3Sshepler /* Remove state on file remove */ 4256418d27f3Sshepler if (in_crit) { 4257418d27f3Sshepler nbl_end_crit(vp); 4258418d27f3Sshepler in_crit = 0; 4259418d27f3Sshepler } 4260418d27f3Sshepler rfs4_close_all_state(fp); 42617c478bd9Sstevel@tonic-gate } 4262418d27f3Sshepler VN_RELE(tvp); 42637c478bd9Sstevel@tonic-gate } 42647c478bd9Sstevel@tonic-gate } 42657c478bd9Sstevel@tonic-gate } 42667c478bd9Sstevel@tonic-gate 42677c478bd9Sstevel@tonic-gate if (in_crit) 42687c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 42697c478bd9Sstevel@tonic-gate VN_RELE(vp); 42707c478bd9Sstevel@tonic-gate 42717c478bd9Sstevel@tonic-gate if (fp) { 42727c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42737c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42747c478bd9Sstevel@tonic-gate } 4275b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4276b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42777c478bd9Sstevel@tonic-gate kmem_free(nm, len); 42787c478bd9Sstevel@tonic-gate 42797c478bd9Sstevel@tonic-gate if (error) { 42807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4281f3b585ceSsamf goto out; 42827c478bd9Sstevel@tonic-gate } 42837c478bd9Sstevel@tonic-gate 42847c478bd9Sstevel@tonic-gate /* 42857c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 42867c478bd9Sstevel@tonic-gate */ 42877c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 4288da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 42897c478bd9Sstevel@tonic-gate idva.va_seq = 0; 42907c478bd9Sstevel@tonic-gate 42917c478bd9Sstevel@tonic-gate /* 42927c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 42937c478bd9Sstevel@tonic-gate */ 4294da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 42957c478bd9Sstevel@tonic-gate 42967c478bd9Sstevel@tonic-gate /* 42977c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 42987c478bd9Sstevel@tonic-gate * before value. 42997c478bd9Sstevel@tonic-gate */ 43007c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 4301da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 43027c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 43037c478bd9Sstevel@tonic-gate adva.va_seq = 0; 43047c478bd9Sstevel@tonic-gate } 43057c478bd9Sstevel@tonic-gate 43067c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 43077c478bd9Sstevel@tonic-gate 43087c478bd9Sstevel@tonic-gate /* 43097c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 43107c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 43117c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 43127c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 43137c478bd9Sstevel@tonic-gate */ 43147c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 43151b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 43167c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 43177c478bd9Sstevel@tonic-gate else 43187c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 43197c478bd9Sstevel@tonic-gate 43207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4321f3b585ceSsamf 4322f3b585ceSsamf out: 4323f3b585ceSsamf DTRACE_NFSV4_2(op__remove__done, struct compound_state *, cs, 4324f3b585ceSsamf REMOVE4res *, resp); 43257c478bd9Sstevel@tonic-gate } 43267c478bd9Sstevel@tonic-gate 43277c478bd9Sstevel@tonic-gate /* 43287c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 43297c478bd9Sstevel@tonic-gate * oldname and newname. 43307c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 43317c478bd9Sstevel@tonic-gate * for both from and target directories. 43327c478bd9Sstevel@tonic-gate */ 43337c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43347c478bd9Sstevel@tonic-gate static void 43357c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4336d216dff5SRobert Mastors struct compound_state *cs) 43377c478bd9Sstevel@tonic-gate { 43387c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 43397c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 43407c478bd9Sstevel@tonic-gate int error; 43417c478bd9Sstevel@tonic-gate vnode_t *odvp; 43427c478bd9Sstevel@tonic-gate vnode_t *ndvp; 43437c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 43447c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 43457c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 43467c478bd9Sstevel@tonic-gate char *onm, *nnm; 43477c478bd9Sstevel@tonic-gate uint_t olen, nlen; 43487c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 43497c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 43507c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 435145916cd2Sjpk bslabel_t *clabel; 4352b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4353b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_onm = NULL; 4354b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_nnm = NULL; 43557c478bd9Sstevel@tonic-gate 4356f3b585ceSsamf DTRACE_NFSV4_2(op__rename__start, struct compound_state *, cs, 4357f3b585ceSsamf RENAME4args *, args); 4358f3b585ceSsamf 43597c478bd9Sstevel@tonic-gate fp = sfp = NULL; 43607c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 43617c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 43627c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 43637c478bd9Sstevel@tonic-gate 43647c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 43657c478bd9Sstevel@tonic-gate ndvp = cs->vp; 43667c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 43677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4368f3b585ceSsamf goto out; 43697c478bd9Sstevel@tonic-gate } 43707c478bd9Sstevel@tonic-gate 43717c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 43727c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 43737c478bd9Sstevel@tonic-gate if (odvp == NULL) { 43747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4375f3b585ceSsamf goto out; 43767c478bd9Sstevel@tonic-gate } 43777c478bd9Sstevel@tonic-gate 43787c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 43797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4380f3b585ceSsamf goto out; 43817c478bd9Sstevel@tonic-gate } 43827c478bd9Sstevel@tonic-gate 43837c478bd9Sstevel@tonic-gate /* 43847c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 43857c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 43867c478bd9Sstevel@tonic-gate */ 43877c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 43887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4389f3b585ceSsamf goto out; 43907c478bd9Sstevel@tonic-gate } 43917c478bd9Sstevel@tonic-gate 43927c478bd9Sstevel@tonic-gate /* 43937c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 43947c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 43957c478bd9Sstevel@tonic-gate */ 43967c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 43977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4398f3b585ceSsamf goto out; 43997c478bd9Sstevel@tonic-gate } 44007c478bd9Sstevel@tonic-gate 44017c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 44027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4403f3b585ceSsamf goto out; 44047c478bd9Sstevel@tonic-gate } 44057c478bd9Sstevel@tonic-gate 44067c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 44077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 4408f3b585ceSsamf goto out; 44097c478bd9Sstevel@tonic-gate } 44107c478bd9Sstevel@tonic-gate 44117c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 44127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4413f3b585ceSsamf goto out; 44147c478bd9Sstevel@tonic-gate } 44157c478bd9Sstevel@tonic-gate 44167c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 44177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4418f3b585ceSsamf goto out; 44197c478bd9Sstevel@tonic-gate } 44207c478bd9Sstevel@tonic-gate 44217c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 44227c478bd9Sstevel@tonic-gate if (onm == NULL) { 44237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4424f3b585ceSsamf goto out; 44257c478bd9Sstevel@tonic-gate } 4426b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4427b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen = MAXPATHLEN + 1; 4428b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_onm = nfscmd_convname(ca, cs->exi, onm, NFSCMD_CONV_INBOUND, 4429b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen); 4430b89a8333Snatalie li - Sun Microsystems - Irvine United States 4431b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm == NULL) { 4432b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4433b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4434b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4435b89a8333Snatalie li - Sun Microsystems - Irvine United States } 44367c478bd9Sstevel@tonic-gate 44377c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 44387c478bd9Sstevel@tonic-gate if (nnm == NULL) { 44397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4440b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4441b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4442b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4443b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4444b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4445b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_nnm = nfscmd_convname(ca, cs->exi, nnm, NFSCMD_CONV_INBOUND, 4446b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4447b89a8333Snatalie li - Sun Microsystems - Irvine United States 4448b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm == NULL) { 4449b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4450b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 4451b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = NULL; 4452b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4453b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44547c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4455f3b585ceSsamf goto out; 44567c478bd9Sstevel@tonic-gate } 44577c478bd9Sstevel@tonic-gate 4458b89a8333Snatalie li - Sun Microsystems - Irvine United States 44597c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 44607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 44617c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 44627c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4463f3b585ceSsamf goto out; 44647c478bd9Sstevel@tonic-gate } 44657c478bd9Sstevel@tonic-gate 44667c478bd9Sstevel@tonic-gate 44677c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 44687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 4469b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4470b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44717c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4472b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4473b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 44747c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4475f3b585ceSsamf goto out; 44767c478bd9Sstevel@tonic-gate } 44777c478bd9Sstevel@tonic-gate 447845916cd2Sjpk /* check label of the target dir */ 447945916cd2Sjpk if (is_system_labeled()) { 448045916cd2Sjpk ASSERT(req->rq_label != NULL); 448145916cd2Sjpk clabel = req->rq_label; 448245916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 448345916cd2Sjpk "got client label from request(1)", 448445916cd2Sjpk struct svc_req *, req); 448545916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 448603986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 4487bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 448845916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4489b89a8333Snatalie li - Sun Microsystems - Irvine United States goto err_out; 449045916cd2Sjpk } 449145916cd2Sjpk } 449245916cd2Sjpk } 449345916cd2Sjpk 44947c478bd9Sstevel@tonic-gate /* 44957c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 44967c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 44977c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 44987c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 44997c478bd9Sstevel@tonic-gate */ 4500b89a8333Snatalie li - Sun Microsystems - Irvine United States if (sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp, 4501b89a8333Snatalie li - Sun Microsystems - Irvine United States &error, cs->cr)) { 45027c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 45031b300de9Sjwahlig NULL)) { 45047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45057c478bd9Sstevel@tonic-gate goto err_out; 45067c478bd9Sstevel@tonic-gate } 45077c478bd9Sstevel@tonic-gate } 45087c478bd9Sstevel@tonic-gate 45097c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 45107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4511b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4512b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45137c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4514b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4515b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45167c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4517f3b585ceSsamf goto out; 45187c478bd9Sstevel@tonic-gate } 45197c478bd9Sstevel@tonic-gate 45207c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 45217c478bd9Sstevel@tonic-gate 45227c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 4523b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, 4524b89a8333Snatalie li - Sun Microsystems - Irvine United States NULL, cs->cr)) { 45257c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 45261b300de9Sjwahlig NULL)) { 45277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45287c478bd9Sstevel@tonic-gate goto err_out; 45297c478bd9Sstevel@tonic-gate } 45307c478bd9Sstevel@tonic-gate } 45317c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 45327c478bd9Sstevel@tonic-gate 45337c478bd9Sstevel@tonic-gate 45347c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 45357c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 45367c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 45377c478bd9Sstevel@tonic-gate in_crit_src = 1; 4538da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 45397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45407c478bd9Sstevel@tonic-gate goto err_out; 45417c478bd9Sstevel@tonic-gate } 45427c478bd9Sstevel@tonic-gate } 45437c478bd9Sstevel@tonic-gate 45447c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 45457c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 45467c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4547da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 45487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45497c478bd9Sstevel@tonic-gate goto err_out; 45507c478bd9Sstevel@tonic-gate } 45517c478bd9Sstevel@tonic-gate } 45527c478bd9Sstevel@tonic-gate 45537c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 45547c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4555da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 45567c478bd9Sstevel@tonic-gate if (!error) { 45577c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4558da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 45597c478bd9Sstevel@tonic-gate } 45607c478bd9Sstevel@tonic-gate if (error) { 45617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 45627c478bd9Sstevel@tonic-gate goto err_out; 45637c478bd9Sstevel@tonic-gate } 45647c478bd9Sstevel@tonic-gate 45657c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 45667c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 45677c478bd9Sstevel@tonic-gate 4568b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_RENAME(odvp, converted_onm, ndvp, converted_nnm, 4569b89a8333Snatalie li - Sun Microsystems - Irvine United States cs->cr, NULL, 0)) == 0 && fp != NULL) { 45707c478bd9Sstevel@tonic-gate struct vattr va; 4571418d27f3Sshepler vnode_t *tvp; 4572418d27f3Sshepler 4573d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4574d216dff5SRobert Mastors tvp = fp->rf_vp; 4575418d27f3Sshepler if (tvp) 4576418d27f3Sshepler VN_HOLD(tvp); 4577d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 45787c478bd9Sstevel@tonic-gate 4579418d27f3Sshepler if (tvp) { 4580418d27f3Sshepler va.va_mask = AT_NLINK; 4581da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 45821b300de9Sjwahlig va.va_nlink == 0) { 4583418d27f3Sshepler /* The file is gone and so should the state */ 4584418d27f3Sshepler if (in_crit_targ) { 4585418d27f3Sshepler nbl_end_crit(targvp); 4586418d27f3Sshepler in_crit_targ = 0; 4587418d27f3Sshepler } 4588418d27f3Sshepler rfs4_close_all_state(fp); 45897c478bd9Sstevel@tonic-gate } 4590418d27f3Sshepler VN_RELE(tvp); 45917c478bd9Sstevel@tonic-gate } 45927c478bd9Sstevel@tonic-gate } 459351ece835Seschrock if (error == 0) 459451ece835Seschrock vn_renamepath(ndvp, srcvp, nnm, nlen - 1); 45957c478bd9Sstevel@tonic-gate 45967c478bd9Sstevel@tonic-gate if (in_crit_src) 45977c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 45987c478bd9Sstevel@tonic-gate if (srcvp) 45997c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 46007c478bd9Sstevel@tonic-gate if (in_crit_targ) 46017c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 46027c478bd9Sstevel@tonic-gate if (targvp) 46037c478bd9Sstevel@tonic-gate VN_RELE(targvp); 46047c478bd9Sstevel@tonic-gate 46057c478bd9Sstevel@tonic-gate if (sfp) { 46067c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 46077c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 46087c478bd9Sstevel@tonic-gate } 46097c478bd9Sstevel@tonic-gate if (fp) { 46107c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 46117c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 46127c478bd9Sstevel@tonic-gate } 46137c478bd9Sstevel@tonic-gate 4614b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm != onm) 4615b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 46167c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4617b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm != nnm) 4618b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 46197c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46207c478bd9Sstevel@tonic-gate 46217c478bd9Sstevel@tonic-gate /* 46227c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 46237c478bd9Sstevel@tonic-gate */ 46247c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4625da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 46267c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 46277c478bd9Sstevel@tonic-gate 46287c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4629da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 46307c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 46317c478bd9Sstevel@tonic-gate 46327c478bd9Sstevel@tonic-gate /* 46337c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 46347c478bd9Sstevel@tonic-gate */ 4635da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4636da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 46377c478bd9Sstevel@tonic-gate 46387c478bd9Sstevel@tonic-gate if (error) { 46397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4640f3b585ceSsamf goto out; 46417c478bd9Sstevel@tonic-gate } 46427c478bd9Sstevel@tonic-gate 46437c478bd9Sstevel@tonic-gate /* 46447c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 46457c478bd9Sstevel@tonic-gate * before value. 46467c478bd9Sstevel@tonic-gate */ 46477c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4648da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 46497c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 46507c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 46517c478bd9Sstevel@tonic-gate } 46527c478bd9Sstevel@tonic-gate 46537c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4654da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 46557c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 46567c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 46577c478bd9Sstevel@tonic-gate } 46587c478bd9Sstevel@tonic-gate 46597c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 46607c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 46617c478bd9Sstevel@tonic-gate 46627c478bd9Sstevel@tonic-gate /* 46637c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 46647c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 46657c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 46667c478bd9Sstevel@tonic-gate */ 46677c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 46681b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 46697c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 46707c478bd9Sstevel@tonic-gate else 46717c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 46727c478bd9Sstevel@tonic-gate 46737c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 46741b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 46757c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 46767c478bd9Sstevel@tonic-gate else 46777c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 46787c478bd9Sstevel@tonic-gate 46797c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 46807c478bd9Sstevel@tonic-gate { 46817c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 46827c478bd9Sstevel@tonic-gate 46837c478bd9Sstevel@tonic-gate /* 46847c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 46857c478bd9Sstevel@tonic-gate */ 46867c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 46877c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 46887c478bd9Sstevel@tonic-gate vnode_t *vp; 46897c478bd9Sstevel@tonic-gate 46907c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 46917c478bd9Sstevel@tonic-gate /* 46927c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 46937c478bd9Sstevel@tonic-gate */ 4694da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4695da6c28aaSamw NULL, NULL, NULL); 46967c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46977c478bd9Sstevel@tonic-gate if (!error) { 46987c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 46997c478bd9Sstevel@tonic-gate VN_RELE(vp); 47007c478bd9Sstevel@tonic-gate } 47017c478bd9Sstevel@tonic-gate } 47027c478bd9Sstevel@tonic-gate } 47037c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 47047c478bd9Sstevel@tonic-gate 47057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4706f3b585ceSsamf out: 4707f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4708f3b585ceSsamf RENAME4res *, resp); 47097c478bd9Sstevel@tonic-gate return; 47107c478bd9Sstevel@tonic-gate 47117c478bd9Sstevel@tonic-gate err_out: 4712b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4713b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4714b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != NULL) 4715b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4716b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4717b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 4718b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != NULL) 4719b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 47207c478bd9Sstevel@tonic-gate 47217c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 47227c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 47237c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 47247c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 47257c478bd9Sstevel@tonic-gate if (sfp) { 47267c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 47277c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 47287c478bd9Sstevel@tonic-gate } 47297c478bd9Sstevel@tonic-gate if (fp) { 47307c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 47317c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 47327c478bd9Sstevel@tonic-gate } 4733f3b585ceSsamf 4734f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4735f3b585ceSsamf RENAME4res *, resp); 47367c478bd9Sstevel@tonic-gate } 47377c478bd9Sstevel@tonic-gate 47387c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47397c478bd9Sstevel@tonic-gate static void 47407c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4741d216dff5SRobert Mastors struct compound_state *cs) 47427c478bd9Sstevel@tonic-gate { 47437c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 47447c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 47457c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 47467c478bd9Sstevel@tonic-gate 4747f3b585ceSsamf DTRACE_NFSV4_2(op__renew__start, struct compound_state *, cs, 4748f3b585ceSsamf RENEW4args *, args); 4749f3b585ceSsamf 47507c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 47517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 47521b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 0); 4753f3b585ceSsamf goto out; 47547c478bd9Sstevel@tonic-gate } 47557c478bd9Sstevel@tonic-gate 47567c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 47577c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 47587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 4759f3b585ceSsamf goto out; 47607c478bd9Sstevel@tonic-gate } 47617c478bd9Sstevel@tonic-gate 47627c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 47637c478bd9Sstevel@tonic-gate 4764d216dff5SRobert Mastors mutex_enter(cp->rc_cbinfo.cb_lock); 4765d216dff5SRobert Mastors if (cp->rc_cbinfo.cb_notified_of_cb_path_down == FALSE) { 4766d216dff5SRobert Mastors cp->rc_cbinfo.cb_notified_of_cb_path_down = TRUE; 47677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 47687c478bd9Sstevel@tonic-gate } else { 47697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 47707c478bd9Sstevel@tonic-gate } 4771d216dff5SRobert Mastors mutex_exit(cp->rc_cbinfo.cb_lock); 47727c478bd9Sstevel@tonic-gate 47737c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 47747c478bd9Sstevel@tonic-gate 4775f3b585ceSsamf out: 4776f3b585ceSsamf DTRACE_NFSV4_2(op__renew__done, struct compound_state *, cs, 4777f3b585ceSsamf RENEW4res *, resp); 47787c478bd9Sstevel@tonic-gate } 47797c478bd9Sstevel@tonic-gate 47807c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47817c478bd9Sstevel@tonic-gate static void 47827c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 4783d216dff5SRobert Mastors struct compound_state *cs) 47847c478bd9Sstevel@tonic-gate { 47857c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 47867c478bd9Sstevel@tonic-gate 4787f3b585ceSsamf DTRACE_NFSV4_1(op__restorefh__start, struct compound_state *, cs); 4788f3b585ceSsamf 47897c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 47907c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 47917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 4792f3b585ceSsamf goto out; 47937c478bd9Sstevel@tonic-gate } 47947c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 47957c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 47967c478bd9Sstevel@tonic-gate } 47977c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 47987c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 47997c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 48007c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 48017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 48027c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 4803f3b585ceSsamf 4804f3b585ceSsamf out: 4805f3b585ceSsamf DTRACE_NFSV4_2(op__restorefh__done, struct compound_state *, cs, 4806f3b585ceSsamf RESTOREFH4res *, resp); 48077c478bd9Sstevel@tonic-gate } 48087c478bd9Sstevel@tonic-gate 48097c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48107c478bd9Sstevel@tonic-gate static void 48117c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4812d216dff5SRobert Mastors struct compound_state *cs) 48137c478bd9Sstevel@tonic-gate { 48147c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 48157c478bd9Sstevel@tonic-gate 4816f3b585ceSsamf DTRACE_NFSV4_1(op__savefh__start, struct compound_state *, cs); 4817f3b585ceSsamf 48187c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48197c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 48207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4821f3b585ceSsamf goto out; 48227c478bd9Sstevel@tonic-gate } 48237c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 48247c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 48257c478bd9Sstevel@tonic-gate } 48267c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 48277c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 48287c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 48297c478bd9Sstevel@tonic-gate /* 48307c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 48317c478bd9Sstevel@tonic-gate * unless necessary. 48327c478bd9Sstevel@tonic-gate */ 48337c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 48347c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 48357c478bd9Sstevel@tonic-gate } 48367c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 48377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4838f3b585ceSsamf 4839f3b585ceSsamf out: 4840f3b585ceSsamf DTRACE_NFSV4_2(op__savefh__done, struct compound_state *, cs, 4841f3b585ceSsamf SAVEFH4res *, resp); 48427c478bd9Sstevel@tonic-gate } 48437c478bd9Sstevel@tonic-gate 48447c478bd9Sstevel@tonic-gate /* 48457c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 48467c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 48477c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 48487c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 48497c478bd9Sstevel@tonic-gate * 48507c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 48517c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 48527c478bd9Sstevel@tonic-gate * 48537c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 48547c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 48557c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 48567c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 48577c478bd9Sstevel@tonic-gate * 48587c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 48597c478bd9Sstevel@tonic-gate */ 48607c478bd9Sstevel@tonic-gate static int 48617c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 4862d216dff5SRobert Mastors bitmap4 *resp, struct nfs4_ntov_table *ntovp) 48637c478bd9Sstevel@tonic-gate { 48647c478bd9Sstevel@tonic-gate int error, ret_error = 0; 48657c478bd9Sstevel@tonic-gate int i, k; 48667c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 48677c478bd9Sstevel@tonic-gate uint_t vbit; 48687c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 48697c478bd9Sstevel@tonic-gate uint8_t *amap; 48707c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 48717c478bd9Sstevel@tonic-gate 48727c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 48737c478bd9Sstevel@tonic-gate /* 48747c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 48757c478bd9Sstevel@tonic-gate * on the incoming values. 48767c478bd9Sstevel@tonic-gate */ 48777c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4878da6c28aaSamw sargp->cs->cr, NULL); 48797c478bd9Sstevel@tonic-gate if (ret_error) { 48807c478bd9Sstevel@tonic-gate if (resp == NULL) 48817c478bd9Sstevel@tonic-gate return (ret_error); 48827c478bd9Sstevel@tonic-gate /* 48837c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 48847c478bd9Sstevel@tonic-gate */ 48857c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 48867c478bd9Sstevel@tonic-gate } else { 48877c478bd9Sstevel@tonic-gate /* 48887c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 48897c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 48907c478bd9Sstevel@tonic-gate * defensive coding. 48917c478bd9Sstevel@tonic-gate * See bug id 4276830. 48927c478bd9Sstevel@tonic-gate */ 48937c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 48947c478bd9Sstevel@tonic-gate } 48957c478bd9Sstevel@tonic-gate } 48967c478bd9Sstevel@tonic-gate 48977c478bd9Sstevel@tonic-gate if (getsb) { 48987c478bd9Sstevel@tonic-gate /* 48997c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 49007c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 49017c478bd9Sstevel@tonic-gate */ 49027c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 49037c478bd9Sstevel@tonic-gate if (ret_error) { 49047c478bd9Sstevel@tonic-gate if (resp == NULL) 49057c478bd9Sstevel@tonic-gate goto errout; 49067c478bd9Sstevel@tonic-gate getsb = FALSE; 49077c478bd9Sstevel@tonic-gate } 49087c478bd9Sstevel@tonic-gate } 49097c478bd9Sstevel@tonic-gate 49107c478bd9Sstevel@tonic-gate /* 49117c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 49127c478bd9Sstevel@tonic-gate * whether it's the same as the input. 49137c478bd9Sstevel@tonic-gate */ 49147c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 49157c478bd9Sstevel@tonic-gate goto errout; 49167c478bd9Sstevel@tonic-gate 49177c478bd9Sstevel@tonic-gate na = ntovp->na; 49187c478bd9Sstevel@tonic-gate amap = ntovp->amap; 49197c478bd9Sstevel@tonic-gate k = 0; 49207c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 49217c478bd9Sstevel@tonic-gate k = *amap; 49227c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 49237c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 49247c478bd9Sstevel@tonic-gate 49257c478bd9Sstevel@tonic-gate /* 49267c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 49277c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 49287c478bd9Sstevel@tonic-gate */ 49297c478bd9Sstevel@tonic-gate if (vbit) { 49307c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 49317c478bd9Sstevel@tonic-gate continue; 49327c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 49337c478bd9Sstevel@tonic-gate continue; 49347c478bd9Sstevel@tonic-gate } 49351b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 49367c478bd9Sstevel@tonic-gate if (resp != NULL) { 49377c478bd9Sstevel@tonic-gate if (error) 49387c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49397c478bd9Sstevel@tonic-gate else /* update response bitmap */ 49407c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 49417c478bd9Sstevel@tonic-gate continue; 49427c478bd9Sstevel@tonic-gate } 49437c478bd9Sstevel@tonic-gate if (error) { 49447c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49457c478bd9Sstevel@tonic-gate break; 49467c478bd9Sstevel@tonic-gate } 49477c478bd9Sstevel@tonic-gate } 49487c478bd9Sstevel@tonic-gate errout: 49497c478bd9Sstevel@tonic-gate return (ret_error); 49507c478bd9Sstevel@tonic-gate } 49517c478bd9Sstevel@tonic-gate 49527c478bd9Sstevel@tonic-gate /* 49537c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 49547c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 49557c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 49567c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 49577c478bd9Sstevel@tonic-gate * 49587c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 49597c478bd9Sstevel@tonic-gate */ 49607c478bd9Sstevel@tonic-gate static int 49617c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 4962d216dff5SRobert Mastors int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 49637c478bd9Sstevel@tonic-gate { 49647c478bd9Sstevel@tonic-gate int error = 0; 49657c478bd9Sstevel@tonic-gate bool_t set_later; 49667c478bd9Sstevel@tonic-gate 49677c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 49687c478bd9Sstevel@tonic-gate 49697c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 49707c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 49717c478bd9Sstevel@tonic-gate /* 49727c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 49737c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 49747c478bd9Sstevel@tonic-gate * Will be done later. 49757c478bd9Sstevel@tonic-gate */ 49767c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 49777c478bd9Sstevel@tonic-gate /* 49787c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 49797c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 49807c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 49817c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 49827c478bd9Sstevel@tonic-gate */ 49837c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 49847c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 49857c478bd9Sstevel@tonic-gate sargp, nap); 49867c478bd9Sstevel@tonic-gate if (error) { 49877c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 49887c478bd9Sstevel@tonic-gate (caddr_t)nap); 49897c478bd9Sstevel@tonic-gate } 49907c478bd9Sstevel@tonic-gate } 49917c478bd9Sstevel@tonic-gate } 49927c478bd9Sstevel@tonic-gate } else { 49937c478bd9Sstevel@tonic-gate #ifdef DEBUG 49947c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 49951b300de9Sjwahlig "decoding attribute %d\n", k); 49967c478bd9Sstevel@tonic-gate #endif 49977c478bd9Sstevel@tonic-gate error = EINVAL; 49987c478bd9Sstevel@tonic-gate } 49997c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 50007c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 50017c478bd9Sstevel@tonic-gate } 50027c478bd9Sstevel@tonic-gate 50037c478bd9Sstevel@tonic-gate return (error); 50047c478bd9Sstevel@tonic-gate } 50057c478bd9Sstevel@tonic-gate 50067c478bd9Sstevel@tonic-gate /* 50077c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 50087c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 50097c478bd9Sstevel@tonic-gate */ 50107c478bd9Sstevel@tonic-gate static nfsstat4 50117c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 5012d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 5013d216dff5SRobert Mastors nfs4_attr_cmd_t cmd) 50147c478bd9Sstevel@tonic-gate { 50157c478bd9Sstevel@tonic-gate int error = 0; 50167c478bd9Sstevel@tonic-gate int i; 50177c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 50187c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 50197c478bd9Sstevel@tonic-gate XDR xdr; 50207c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 50217c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 50227c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 50237c478bd9Sstevel@tonic-gate uint8_t *amap; 50247c478bd9Sstevel@tonic-gate 50257c478bd9Sstevel@tonic-gate #ifndef lint 50267c478bd9Sstevel@tonic-gate /* 50277c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 50287c478bd9Sstevel@tonic-gate * 8 bit quantity. 50297c478bd9Sstevel@tonic-gate */ 50307c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 50317c478bd9Sstevel@tonic-gate #endif 50327c478bd9Sstevel@tonic-gate 50337c478bd9Sstevel@tonic-gate if (vp == NULL) { 50347c478bd9Sstevel@tonic-gate if (resp) 50357c478bd9Sstevel@tonic-gate *resp = 0; 50367c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 50377c478bd9Sstevel@tonic-gate } 50387c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 50397c478bd9Sstevel@tonic-gate if (resp) 50407c478bd9Sstevel@tonic-gate *resp = 0; 50417c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 50427c478bd9Sstevel@tonic-gate } 50437c478bd9Sstevel@tonic-gate 50447c478bd9Sstevel@tonic-gate sargp->op = cmd; 50457c478bd9Sstevel@tonic-gate sargp->cs = cs; 50467c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 50477c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 50487c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 50497c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 50507c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 50517c478bd9Sstevel@tonic-gate 50527c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 50537c478bd9Sstevel@tonic-gate 50547c478bd9Sstevel@tonic-gate na = ntovp->na; 50557c478bd9Sstevel@tonic-gate amap = ntovp->amap; 50567c478bd9Sstevel@tonic-gate 50577c478bd9Sstevel@tonic-gate /* 50587c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 50597c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 50607c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 50617c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 50627c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 50637c478bd9Sstevel@tonic-gate * will be set in this loop. 50647c478bd9Sstevel@tonic-gate */ 50657c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 50667c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 50677c478bd9Sstevel@tonic-gate continue; 50687c478bd9Sstevel@tonic-gate } 50697c478bd9Sstevel@tonic-gate /* 50707c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 50717c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 50727c478bd9Sstevel@tonic-gate */ 50737c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 50741b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 50757c478bd9Sstevel@tonic-gate /* 50767c478bd9Sstevel@tonic-gate * Client tries to set/verify an 50777c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 50787c478bd9Sstevel@tonic-gate * a read only attr or verify a write 50797c478bd9Sstevel@tonic-gate * only one - error! 50807c478bd9Sstevel@tonic-gate */ 50817c478bd9Sstevel@tonic-gate break; 50827c478bd9Sstevel@tonic-gate } 50837c478bd9Sstevel@tonic-gate /* 50847c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 50857c478bd9Sstevel@tonic-gate */ 50867c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 50871b300de9Sjwahlig &xdr, resp ? resp : NULL, na); 50887c478bd9Sstevel@tonic-gate if (error) 50897c478bd9Sstevel@tonic-gate break; 50907c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 50917c478bd9Sstevel@tonic-gate na++; 50927c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 50937c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 50947c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 50957c478bd9Sstevel@tonic-gate } 50967c478bd9Sstevel@tonic-gate 50977c478bd9Sstevel@tonic-gate if (error != 0) 50981b300de9Sjwahlig status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 50991b300de9Sjwahlig puterrno4(error)); 51007c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 51017c478bd9Sstevel@tonic-gate return (status); 51027c478bd9Sstevel@tonic-gate } 51037c478bd9Sstevel@tonic-gate 51047c478bd9Sstevel@tonic-gate static nfsstat4 51057c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 5106d216dff5SRobert Mastors stateid4 *stateid) 51077c478bd9Sstevel@tonic-gate { 51087c478bd9Sstevel@tonic-gate int error = 0; 51097c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 51107c478bd9Sstevel@tonic-gate bool_t trunc; 51117c478bd9Sstevel@tonic-gate 51127c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 51137c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 51147c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 51157c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 51167c478bd9Sstevel@tonic-gate struct statvfs64 sb; 51177c478bd9Sstevel@tonic-gate struct vattr bva; 51187c478bd9Sstevel@tonic-gate struct flock64 bf; 51197c478bd9Sstevel@tonic-gate int in_crit = 0; 51207c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 51217c478bd9Sstevel@tonic-gate caller_context_t ct; 51227c478bd9Sstevel@tonic-gate 51237c478bd9Sstevel@tonic-gate *resp = 0; 51247c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 5125*2f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 51267c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 51277c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 51281b300de9Sjwahlig NFS4ATTR_SETIT); 51297c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 51307c478bd9Sstevel@tonic-gate /* 51317c478bd9Sstevel@tonic-gate * failed set attrs 51327c478bd9Sstevel@tonic-gate */ 51337c478bd9Sstevel@tonic-gate goto done; 51347c478bd9Sstevel@tonic-gate } 51357c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 51367c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 51377c478bd9Sstevel@tonic-gate /* 51387c478bd9Sstevel@tonic-gate * no further work to be done 51397c478bd9Sstevel@tonic-gate */ 51407c478bd9Sstevel@tonic-gate goto done; 51417c478bd9Sstevel@tonic-gate } 51427c478bd9Sstevel@tonic-gate 51437c478bd9Sstevel@tonic-gate /* 51447c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 51457c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 51467c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 51477c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 51487c478bd9Sstevel@tonic-gate */ 51497c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 51507c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 51517c478bd9Sstevel@tonic-gate vattr_t va; 51527c478bd9Sstevel@tonic-gate 51537c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 5154da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 51557c478bd9Sstevel@tonic-gate if (error) { 51567c478bd9Sstevel@tonic-gate status = puterrno4(error); 51577c478bd9Sstevel@tonic-gate goto done; 51587c478bd9Sstevel@tonic-gate } 51597c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 51607c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 51617c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 51627c478bd9Sstevel@tonic-gate goto done; 51637c478bd9Sstevel@tonic-gate } 51647c478bd9Sstevel@tonic-gate } 51657c478bd9Sstevel@tonic-gate 51667c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 51677c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 51687c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 51697c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 5170da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 51717c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 51727c478bd9Sstevel@tonic-gate goto done; 5173da6c28aaSamw } else { 5174da6c28aaSamw ct.cc_sysid = 0; 5175da6c28aaSamw ct.cc_pid = 0; 5176da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 517762b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 51787c478bd9Sstevel@tonic-gate } 51797c478bd9Sstevel@tonic-gate 51807c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 51817c478bd9Sstevel@tonic-gate 51827c478bd9Sstevel@tonic-gate /* 51837c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 51847c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 51857c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 51867c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 51877c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 51887c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 51897c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 51907c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 51917c478bd9Sstevel@tonic-gate * do the access checking. 51927c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 51937c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 51947c478bd9Sstevel@tonic-gate * the region of the change. 51957c478bd9Sstevel@tonic-gate */ 51967c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 51977c478bd9Sstevel@tonic-gate u_offset_t offset; 51987c478bd9Sstevel@tonic-gate ssize_t length; 51997c478bd9Sstevel@tonic-gate 52009720e166Sjasmith /* 52019720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 52029720e166Sjasmith * before returning, sarg.vap->va_mask is used to 52039720e166Sjasmith * generate the setattr reply bitmap. We also clear 52049720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 52059720e166Sjasmith * of these cases, the va_mask needs to be saved here 52069720e166Sjasmith * and restored after calling VOP_SETATTR. 52079720e166Sjasmith */ 52089720e166Sjasmith saved_mask = sarg.vap->va_mask; 52099720e166Sjasmith 52107c478bd9Sstevel@tonic-gate /* 52117c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 52127c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 52137c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 52147c478bd9Sstevel@tonic-gate */ 52157c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 52167c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 52177c478bd9Sstevel@tonic-gate in_crit = 1; 52187c478bd9Sstevel@tonic-gate } 52197c478bd9Sstevel@tonic-gate 52207c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 5221da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 52227c478bd9Sstevel@tonic-gate status = puterrno4(error); 52237c478bd9Sstevel@tonic-gate goto done; 52247c478bd9Sstevel@tonic-gate } 52257c478bd9Sstevel@tonic-gate 52267c478bd9Sstevel@tonic-gate if (in_crit) { 52277c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 52287c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 52297c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 52307c478bd9Sstevel@tonic-gate } else { 52317c478bd9Sstevel@tonic-gate offset = bva.va_size; 52327c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 52337c478bd9Sstevel@tonic-gate } 5234da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 5235da6c28aaSamw &ct)) { 52367c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 52377c478bd9Sstevel@tonic-gate goto done; 52387c478bd9Sstevel@tonic-gate } 52397c478bd9Sstevel@tonic-gate } 52407c478bd9Sstevel@tonic-gate 52417c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 52427c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 52437c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 52447c478bd9Sstevel@tonic-gate bf.l_whence = 0; 52457c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 52467c478bd9Sstevel@tonic-gate bf.l_len = 0; 52477c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 52487c478bd9Sstevel@tonic-gate bf.l_pid = 0; 52497c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 52501b300de9Sjwahlig (offset_t)sarg.vap->va_size, cr, &ct); 52517c478bd9Sstevel@tonic-gate } 52527c478bd9Sstevel@tonic-gate } 52537c478bd9Sstevel@tonic-gate 52547c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 52557c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 52567c478bd9Sstevel@tonic-gate 52579720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 52587c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 52597c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 52607c478bd9Sstevel@tonic-gate 52617c478bd9Sstevel@tonic-gate /* 52627c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 52637c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 52647c478bd9Sstevel@tonic-gate */ 52657c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 52667c478bd9Sstevel@tonic-gate int i; 52677c478bd9Sstevel@tonic-gate 52687c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 52697c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 52707c478bd9Sstevel@tonic-gate break; 52717c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 52727c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 52737c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 52747c478bd9Sstevel@tonic-gate if (error == 0) { 52757c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 52767c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 52777c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 52787c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 52797c478bd9Sstevel@tonic-gate goto done; 52807c478bd9Sstevel@tonic-gate } 52817c478bd9Sstevel@tonic-gate } else { 52827c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 52837c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 52847c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 52857c478bd9Sstevel@tonic-gate error = EINVAL; 52867c478bd9Sstevel@tonic-gate } 52877c478bd9Sstevel@tonic-gate } 52887c478bd9Sstevel@tonic-gate 52897c478bd9Sstevel@tonic-gate if (error) { 529062b9fcbeSjwahlig /* check if a monitor detected a delegation conflict */ 529162b9fcbeSjwahlig if (error == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 529262b9fcbeSjwahlig status = NFS4ERR_DELAY; 529362b9fcbeSjwahlig else 529462b9fcbeSjwahlig status = puterrno4(error); 52957c478bd9Sstevel@tonic-gate 52967c478bd9Sstevel@tonic-gate /* 52977c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 52987c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 52997c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 53007c478bd9Sstevel@tonic-gate * to the setattr arguments. 53017c478bd9Sstevel@tonic-gate */ 53027c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53037c478bd9Sstevel@tonic-gate } else { 53047c478bd9Sstevel@tonic-gate /* 53057c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 53067c478bd9Sstevel@tonic-gate */ 5307da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 53087c478bd9Sstevel@tonic-gate /* 53097c478bd9Sstevel@tonic-gate * Set response bitmap 53107c478bd9Sstevel@tonic-gate */ 53119720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 53127c478bd9Sstevel@tonic-gate } 53137c478bd9Sstevel@tonic-gate 53147c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 53157c478bd9Sstevel@tonic-gate done: 53169720e166Sjasmith /* 53179720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 53189720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 53199720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 53209720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 53219720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 53229720e166Sjasmith * case. 53239720e166Sjasmith */ 53249720e166Sjasmith *resp &= fattrp->attrmask; 53259720e166Sjasmith 53267c478bd9Sstevel@tonic-gate if (in_crit) 53277c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 53287c478bd9Sstevel@tonic-gate 53297c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 53307c478bd9Sstevel@tonic-gate 53317c478bd9Sstevel@tonic-gate return (status); 53327c478bd9Sstevel@tonic-gate } 53337c478bd9Sstevel@tonic-gate 53347c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53357c478bd9Sstevel@tonic-gate static void 53367c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5337d216dff5SRobert Mastors struct compound_state *cs) 53387c478bd9Sstevel@tonic-gate { 53397c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 53407c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 534145916cd2Sjpk bslabel_t *clabel; 53427c478bd9Sstevel@tonic-gate 5343f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__start, struct compound_state *, cs, 5344f3b585ceSsamf SETATTR4args *, args); 5345f3b585ceSsamf 53467c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5348f3b585ceSsamf goto out; 53497c478bd9Sstevel@tonic-gate } 53507c478bd9Sstevel@tonic-gate 53517c478bd9Sstevel@tonic-gate /* 53527c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 53537c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 53547c478bd9Sstevel@tonic-gate */ 53557c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 53567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5357f3b585ceSsamf goto out; 53587c478bd9Sstevel@tonic-gate } 53597c478bd9Sstevel@tonic-gate 53607c478bd9Sstevel@tonic-gate resp->attrsset = 0; 53617c478bd9Sstevel@tonic-gate 53627c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 53637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 5364f3b585ceSsamf goto out; 53657c478bd9Sstevel@tonic-gate } 53667c478bd9Sstevel@tonic-gate 536745916cd2Sjpk /* check label before setting attributes */ 536845916cd2Sjpk if (is_system_labeled()) { 536945916cd2Sjpk ASSERT(req->rq_label != NULL); 537045916cd2Sjpk clabel = req->rq_label; 537145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 537245916cd2Sjpk "got client label from request(1)", 537345916cd2Sjpk struct svc_req *, req); 537445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 537503986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 5376bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 537745916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 5378f3b585ceSsamf goto out; 537945916cd2Sjpk } 538045916cd2Sjpk } 538145916cd2Sjpk } 538245916cd2Sjpk 53837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 53841b300de9Sjwahlig do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 53851b300de9Sjwahlig &args->stateid); 5386f3b585ceSsamf 5387f3b585ceSsamf out: 5388f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__done, struct compound_state *, cs, 5389f3b585ceSsamf SETATTR4res *, resp); 53907c478bd9Sstevel@tonic-gate } 53917c478bd9Sstevel@tonic-gate 53927c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53937c478bd9Sstevel@tonic-gate static void 53947c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5395d216dff5SRobert Mastors struct compound_state *cs) 53967c478bd9Sstevel@tonic-gate { 53977c478bd9Sstevel@tonic-gate /* 53987c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 53997c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 54007c478bd9Sstevel@tonic-gate * when none changed. 54017c478bd9Sstevel@tonic-gate */ 54027c478bd9Sstevel@tonic-gate 54037c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 54047c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 54057c478bd9Sstevel@tonic-gate 54067c478bd9Sstevel@tonic-gate int error; 54077c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 54087c478bd9Sstevel@tonic-gate struct statvfs64 sb; 54097c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54107c478bd9Sstevel@tonic-gate 5411f3b585ceSsamf DTRACE_NFSV4_2(op__verify__start, struct compound_state *, cs, 5412f3b585ceSsamf VERIFY4args *, args); 5413f3b585ceSsamf 54147c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 54157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5416f3b585ceSsamf goto out; 54177c478bd9Sstevel@tonic-gate } 54187c478bd9Sstevel@tonic-gate 54197c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 5420*2f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 54217c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54227c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54231b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 54247c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54257c478bd9Sstevel@tonic-gate /* 54267c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54277c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54287c478bd9Sstevel@tonic-gate */ 54297c478bd9Sstevel@tonic-gate if (resp->status == -1) 54307c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54317c478bd9Sstevel@tonic-gate goto done; 54327c478bd9Sstevel@tonic-gate } 54337c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54347c478bd9Sstevel@tonic-gate switch (error) { 54357c478bd9Sstevel@tonic-gate case 0: 54367c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54377c478bd9Sstevel@tonic-gate break; 54387c478bd9Sstevel@tonic-gate case -1: 54397c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54407c478bd9Sstevel@tonic-gate break; 54417c478bd9Sstevel@tonic-gate default: 54427c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 54437c478bd9Sstevel@tonic-gate break; 54447c478bd9Sstevel@tonic-gate } 54457c478bd9Sstevel@tonic-gate done: 54467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 54477c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5448f3b585ceSsamf out: 5449f3b585ceSsamf DTRACE_NFSV4_2(op__verify__done, struct compound_state *, cs, 5450f3b585ceSsamf VERIFY4res *, resp); 54517c478bd9Sstevel@tonic-gate } 54527c478bd9Sstevel@tonic-gate 54537c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54547c478bd9Sstevel@tonic-gate static void 54557c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5456d216dff5SRobert Mastors struct compound_state *cs) 54577c478bd9Sstevel@tonic-gate { 54587c478bd9Sstevel@tonic-gate /* 54597c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 54607c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 54617c478bd9Sstevel@tonic-gate * when none changed. 54627c478bd9Sstevel@tonic-gate */ 54637c478bd9Sstevel@tonic-gate 54647c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 54657c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 54667c478bd9Sstevel@tonic-gate 54677c478bd9Sstevel@tonic-gate int error; 54687c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 54697c478bd9Sstevel@tonic-gate struct statvfs64 sb; 54707c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54717c478bd9Sstevel@tonic-gate 5472f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__start, struct compound_state *, cs, 5473f3b585ceSsamf NVERIFY4args *, args); 5474f3b585ceSsamf 54757c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 54767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5477f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5478f3b585ceSsamf NVERIFY4res *, resp); 54797c478bd9Sstevel@tonic-gate return; 54807c478bd9Sstevel@tonic-gate } 54817c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 5482*2f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 54837c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54847c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54851b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 54867c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54877c478bd9Sstevel@tonic-gate /* 54887c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54897c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54907c478bd9Sstevel@tonic-gate */ 54917c478bd9Sstevel@tonic-gate if (resp->status == -1) 54927c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54937c478bd9Sstevel@tonic-gate goto done; 54947c478bd9Sstevel@tonic-gate } 54957c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54967c478bd9Sstevel@tonic-gate switch (error) { 54977c478bd9Sstevel@tonic-gate case 0: 54987c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 54997c478bd9Sstevel@tonic-gate break; 55007c478bd9Sstevel@tonic-gate case -1: 55017c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55027c478bd9Sstevel@tonic-gate break; 55037c478bd9Sstevel@tonic-gate default: 55047c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 55057c478bd9Sstevel@tonic-gate break; 55067c478bd9Sstevel@tonic-gate } 55077c478bd9Sstevel@tonic-gate done: 55087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 55097c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5510f3b585ceSsamf 5511f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5512f3b585ceSsamf NVERIFY4res *, resp); 55137c478bd9Sstevel@tonic-gate } 55147c478bd9Sstevel@tonic-gate 55157c478bd9Sstevel@tonic-gate /* 55167c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 55177c478bd9Sstevel@tonic-gate */ 55187c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 55197c478bd9Sstevel@tonic-gate 55207c478bd9Sstevel@tonic-gate /* ARGSUSED */ 55217c478bd9Sstevel@tonic-gate static void 55227c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5523d216dff5SRobert Mastors struct compound_state *cs) 55247c478bd9Sstevel@tonic-gate { 5525f3b585ceSsamf WRITE4args *args = &argop->nfs_argop4_u.opwrite; 55267c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 55277c478bd9Sstevel@tonic-gate int error; 55287c478bd9Sstevel@tonic-gate vnode_t *vp; 55297c478bd9Sstevel@tonic-gate struct vattr bva; 55307c478bd9Sstevel@tonic-gate u_offset_t rlimit; 55317c478bd9Sstevel@tonic-gate struct uio uio; 55327c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 55337c478bd9Sstevel@tonic-gate struct iovec *iovp; 55347c478bd9Sstevel@tonic-gate int iovcnt; 55357c478bd9Sstevel@tonic-gate int ioflag; 55367c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 55377c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 55387c478bd9Sstevel@tonic-gate nfsstat4 stat; 55397c478bd9Sstevel@tonic-gate int in_crit = 0; 5540da6c28aaSamw caller_context_t ct; 55417c478bd9Sstevel@tonic-gate 5542f3b585ceSsamf DTRACE_NFSV4_2(op__write__start, struct compound_state *, cs, 5543f3b585ceSsamf WRITE4args *, args); 5544f3b585ceSsamf 55457c478bd9Sstevel@tonic-gate vp = cs->vp; 55467c478bd9Sstevel@tonic-gate if (vp == NULL) { 55477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5548f3b585ceSsamf goto out; 55497c478bd9Sstevel@tonic-gate } 55507c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 55517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5552f3b585ceSsamf goto out; 55537c478bd9Sstevel@tonic-gate } 55547c478bd9Sstevel@tonic-gate 55557c478bd9Sstevel@tonic-gate cr = cs->cr; 55567c478bd9Sstevel@tonic-gate 5557da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5558da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5559da6c28aaSamw *cs->statusp = resp->status = stat; 5560da6c28aaSamw goto out; 5561da6c28aaSamw } 5562da6c28aaSamw 55637c478bd9Sstevel@tonic-gate /* 55647c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 55657c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 55667c478bd9Sstevel@tonic-gate */ 55677c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 55687c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 55697c478bd9Sstevel@tonic-gate in_crit = 1; 55707c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5571da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 55727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 55737c478bd9Sstevel@tonic-gate goto out; 55747c478bd9Sstevel@tonic-gate } 55757c478bd9Sstevel@tonic-gate } 55767c478bd9Sstevel@tonic-gate 55777c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5578da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 55797c478bd9Sstevel@tonic-gate 55807c478bd9Sstevel@tonic-gate /* 55817c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 55827c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 55837c478bd9Sstevel@tonic-gate */ 55847c478bd9Sstevel@tonic-gate if (error) { 55857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 55867c478bd9Sstevel@tonic-gate goto out; 55877c478bd9Sstevel@tonic-gate } 55887c478bd9Sstevel@tonic-gate 55897c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 55907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 55917c478bd9Sstevel@tonic-gate goto out; 55927c478bd9Sstevel@tonic-gate } 55937c478bd9Sstevel@tonic-gate 55947c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 55957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 55961b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 55977c478bd9Sstevel@tonic-gate goto out; 55987c478bd9Sstevel@tonic-gate } 55997c478bd9Sstevel@tonic-gate 56007c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5601da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 56027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56037c478bd9Sstevel@tonic-gate goto out; 56047c478bd9Sstevel@tonic-gate } 56057c478bd9Sstevel@tonic-gate 56067c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 56077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 56087c478bd9Sstevel@tonic-gate goto out; 56097c478bd9Sstevel@tonic-gate } 56107c478bd9Sstevel@tonic-gate 56117c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 56127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 56137c478bd9Sstevel@tonic-gate resp->count = 0; 56147c478bd9Sstevel@tonic-gate resp->committed = args->stable; 56157c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 56167c478bd9Sstevel@tonic-gate goto out; 56177c478bd9Sstevel@tonic-gate } 56187c478bd9Sstevel@tonic-gate 56197c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 56207c478bd9Sstevel@tonic-gate mblk_t *m; 56217c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 56227c478bd9Sstevel@tonic-gate 56237c478bd9Sstevel@tonic-gate iovcnt = 0; 56247c478bd9Sstevel@tonic-gate bytes = 0; 56257c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 56267c478bd9Sstevel@tonic-gate for (m = args->mblk; 56277c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 56287c478bd9Sstevel@tonic-gate m = m->b_cont) { 56297c478bd9Sstevel@tonic-gate iovcnt++; 56307c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 56317c478bd9Sstevel@tonic-gate } 56327c478bd9Sstevel@tonic-gate #ifdef DEBUG 56337c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 56347c478bd9Sstevel@tonic-gate if (bytes != round_len) { 56357c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 56367c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 56377c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 56387c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 56397c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 56407c478bd9Sstevel@tonic-gate } 56417c478bd9Sstevel@tonic-gate #endif 56427c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 56437c478bd9Sstevel@tonic-gate iovp = iov; 56447c478bd9Sstevel@tonic-gate } else { 56457c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 56467c478bd9Sstevel@tonic-gate } 56477c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 56480a701b1eSRobert Gordon } else if (args->rlist != NULL) { 56490a701b1eSRobert Gordon iovcnt = 1; 56500a701b1eSRobert Gordon iovp = iov; 56510a701b1eSRobert Gordon iovp->iov_base = (char *)((args->rlist)->u.c_daddr3); 56520a701b1eSRobert Gordon iovp->iov_len = args->data_len; 56537c478bd9Sstevel@tonic-gate } else { 56547c478bd9Sstevel@tonic-gate iovcnt = 1; 56557c478bd9Sstevel@tonic-gate iovp = iov; 56567c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 56577c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 56587c478bd9Sstevel@tonic-gate } 56597c478bd9Sstevel@tonic-gate 56607c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 56617c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 56627c478bd9Sstevel@tonic-gate 56637c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 56647c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 56657c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 56667c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 56677c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 56687c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 56697c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 56707c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 56717c478bd9Sstevel@tonic-gate 56727c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 56737c478bd9Sstevel@tonic-gate ioflag = 0; 56747c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 56757c478bd9Sstevel@tonic-gate ioflag = FSYNC; 56767c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 56777c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 56787c478bd9Sstevel@tonic-gate else { 56797c478bd9Sstevel@tonic-gate if (iovp != iov) 56807c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 56817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 56827c478bd9Sstevel@tonic-gate goto out; 56837c478bd9Sstevel@tonic-gate } 56847c478bd9Sstevel@tonic-gate 56857c478bd9Sstevel@tonic-gate /* 56867c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 56877c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 56887c478bd9Sstevel@tonic-gate * checking is enabled. 56897c478bd9Sstevel@tonic-gate */ 56907c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 56917c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5692da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 56937c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 56947c478bd9Sstevel@tonic-gate 56957c478bd9Sstevel@tonic-gate if (iovp != iov) 56967c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 56977c478bd9Sstevel@tonic-gate 56987c478bd9Sstevel@tonic-gate if (error) { 56997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 57007c478bd9Sstevel@tonic-gate goto out; 57017c478bd9Sstevel@tonic-gate } 57027c478bd9Sstevel@tonic-gate 57037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 57047c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 57057c478bd9Sstevel@tonic-gate 57067c478bd9Sstevel@tonic-gate if (ioflag == 0) 57077c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 57087c478bd9Sstevel@tonic-gate else 57097c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 57107c478bd9Sstevel@tonic-gate 57117c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 57127c478bd9Sstevel@tonic-gate 57137c478bd9Sstevel@tonic-gate out: 57147c478bd9Sstevel@tonic-gate if (in_crit) 57157c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 5716f3b585ceSsamf 5717f3b585ceSsamf DTRACE_NFSV4_2(op__write__done, struct compound_state *, cs, 5718f3b585ceSsamf WRITE4res *, resp); 57197c478bd9Sstevel@tonic-gate } 57207c478bd9Sstevel@tonic-gate 57217c478bd9Sstevel@tonic-gate 57227c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 57237c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 57247c478bd9Sstevel@tonic-gate 57257c478bd9Sstevel@tonic-gate void 57267c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 5727d216dff5SRobert Mastors struct svc_req *req, cred_t *cr, int *rv) 57287c478bd9Sstevel@tonic-gate { 57297c478bd9Sstevel@tonic-gate uint_t i; 57307c478bd9Sstevel@tonic-gate struct compound_state cs; 57317c478bd9Sstevel@tonic-gate 57322e9d26a4Srmesta if (rv != NULL) 57332e9d26a4Srmesta *rv = 0; 57347c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 57357c478bd9Sstevel@tonic-gate /* 57367c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 57377c478bd9Sstevel@tonic-gate */ 57387c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 57391b300de9Sjwahlig kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 57407c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 57417c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 57421b300de9Sjwahlig resp->tag.utf8string_len); 57437c478bd9Sstevel@tonic-gate 57447c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 5745f3b585ceSsamf cs.req = req; 57467c478bd9Sstevel@tonic-gate 57477c478bd9Sstevel@tonic-gate /* 57487c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 57497c478bd9Sstevel@tonic-gate */ 57507c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 5751f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5752f3b585ceSsamf &cs, COMPOUND4args *, args); 57537c478bd9Sstevel@tonic-gate resp->array_len = 0; 57547c478bd9Sstevel@tonic-gate resp->array = NULL; 57557c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 5756f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5757f3b585ceSsamf &cs, COMPOUND4res *, resp); 57587c478bd9Sstevel@tonic-gate return; 57597c478bd9Sstevel@tonic-gate } 57607c478bd9Sstevel@tonic-gate 57617c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 57627c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 57637c478bd9Sstevel@tonic-gate 57647c478bd9Sstevel@tonic-gate cr = crget(); 57657c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 57667c478bd9Sstevel@tonic-gate 57677c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 5768f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5769f3b585ceSsamf &cs, COMPOUND4args *, args); 57707c478bd9Sstevel@tonic-gate crfree(cr); 5771f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5772f3b585ceSsamf &cs, COMPOUND4res *, resp); 57732e9d26a4Srmesta svcerr_badcred(req->rq_xprt); 57742e9d26a4Srmesta if (rv != NULL) 57752e9d26a4Srmesta *rv = 1; 57767c478bd9Sstevel@tonic-gate return; 57777c478bd9Sstevel@tonic-gate } 57782e9d26a4Srmesta resp->array_len = args->array_len; 57792e9d26a4Srmesta resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 57802e9d26a4Srmesta KM_SLEEP); 57817c478bd9Sstevel@tonic-gate 57827c478bd9Sstevel@tonic-gate cs.basecr = cr; 57837c478bd9Sstevel@tonic-gate 5784f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, &cs, 5785f3b585ceSsamf COMPOUND4args *, args); 57867c478bd9Sstevel@tonic-gate 57877c478bd9Sstevel@tonic-gate /* 57887c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 57897c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 57907c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 57917c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 57927c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 57937c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 57947c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 57957c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 57967c478bd9Sstevel@tonic-gate */ 57977c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 57987c478bd9Sstevel@tonic-gate 57997c478bd9Sstevel@tonic-gate /* 58007c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 58017c478bd9Sstevel@tonic-gate * new instances' grace periods. 58027c478bd9Sstevel@tonic-gate */ 58037c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 58047c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 58057c478bd9Sstevel@tonic-gate /* 58067c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 58077c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 58087c478bd9Sstevel@tonic-gate * is finished. 58097c478bd9Sstevel@tonic-gate */ 58107c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 58117c478bd9Sstevel@tonic-gate } 58127c478bd9Sstevel@tonic-gate 58137c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 58147c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 58157c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 58167c478bd9Sstevel@tonic-gate uint_t op; 58177c478bd9Sstevel@tonic-gate 58187c478bd9Sstevel@tonic-gate argop = &args->array[i]; 58197c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 58207c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 58217c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 58227c478bd9Sstevel@tonic-gate 58237c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 58247c478bd9Sstevel@tonic-gate /* 58257c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 58267c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 58277c478bd9Sstevel@tonic-gate */ 58287c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 58297c478bd9Sstevel@tonic-gate 58307c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 58311b300de9Sjwahlig (CE_NOTE, "Executing %s", rfs4_op_string[op])); 58327c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 58331b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 58341b300de9Sjwahlig rfs4_op_string[op], *cs.statusp)); 58357c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 58367c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58377c478bd9Sstevel@tonic-gate } else { 58387c478bd9Sstevel@tonic-gate /* 58397c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 58407c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 58417c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 58427c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 58437c478bd9Sstevel@tonic-gate */ 58447c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 58457c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 58467c478bd9Sstevel@tonic-gate 58477c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 58487c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58497c478bd9Sstevel@tonic-gate } 58507c478bd9Sstevel@tonic-gate 58517c478bd9Sstevel@tonic-gate /* 58527c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 58537c478bd9Sstevel@tonic-gate * compact the results array. 58547c478bd9Sstevel@tonic-gate */ 58557c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 58567c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 58571b300de9Sjwahlig (i+1) * sizeof (nfs_resop4), KM_SLEEP); 58587c478bd9Sstevel@tonic-gate bcopy(resp->array, 58591b300de9Sjwahlig new_res, (i+1) * sizeof (nfs_resop4)); 58607c478bd9Sstevel@tonic-gate kmem_free(resp->array, 58611b300de9Sjwahlig args->array_len * sizeof (nfs_resop4)); 58627c478bd9Sstevel@tonic-gate 58637c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 58647c478bd9Sstevel@tonic-gate resp->array = new_res; 58657c478bd9Sstevel@tonic-gate } 58667c478bd9Sstevel@tonic-gate } 58677c478bd9Sstevel@tonic-gate 58687c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 58697c478bd9Sstevel@tonic-gate 5870f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, &cs, 5871f3b585ceSsamf COMPOUND4res *, resp); 5872f3b585ceSsamf 58737c478bd9Sstevel@tonic-gate if (cs.vp) 58747c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 58757c478bd9Sstevel@tonic-gate if (cs.saved_vp) 58767c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 58777c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 58787c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 58797c478bd9Sstevel@tonic-gate 58807c478bd9Sstevel@tonic-gate if (cs.basecr) 58817c478bd9Sstevel@tonic-gate crfree(cs.basecr); 58827c478bd9Sstevel@tonic-gate if (cs.cr) 58837c478bd9Sstevel@tonic-gate crfree(cs.cr); 588445916cd2Sjpk /* 588545916cd2Sjpk * done with this compound request, free the label 588645916cd2Sjpk */ 588745916cd2Sjpk 588845916cd2Sjpk if (req->rq_label != NULL) { 588945916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 589045916cd2Sjpk req->rq_label = NULL; 589145916cd2Sjpk } 58927c478bd9Sstevel@tonic-gate } 58937c478bd9Sstevel@tonic-gate 58947c478bd9Sstevel@tonic-gate /* 58957c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 58967c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 58977c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 58987c478bd9Sstevel@tonic-gate */ 58997c478bd9Sstevel@tonic-gate void 59007c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 59017c478bd9Sstevel@tonic-gate { 59027c478bd9Sstevel@tonic-gate uint_t i; 59037c478bd9Sstevel@tonic-gate 59047c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 59057c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 59067c478bd9Sstevel@tonic-gate } 59077c478bd9Sstevel@tonic-gate 59087c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 59097c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 59107c478bd9Sstevel@tonic-gate uint_t op; 59117c478bd9Sstevel@tonic-gate 59127c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 59137c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 59147c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 59157c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 59167c478bd9Sstevel@tonic-gate } 59177c478bd9Sstevel@tonic-gate } 59187c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 59197c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 59207c478bd9Sstevel@tonic-gate } 59217c478bd9Sstevel@tonic-gate } 59227c478bd9Sstevel@tonic-gate 59237c478bd9Sstevel@tonic-gate /* 59247c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 59257c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 59267c478bd9Sstevel@tonic-gate */ 59277c478bd9Sstevel@tonic-gate void 59287c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 59297c478bd9Sstevel@tonic-gate { 59307c478bd9Sstevel@tonic-gate int i; 59317c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 59327c478bd9Sstevel@tonic-gate 59337c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 59347c478bd9Sstevel@tonic-gate uint_t op; 59357c478bd9Sstevel@tonic-gate 59367c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 59377c478bd9Sstevel@tonic-gate 59387c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 59397c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 59407c478bd9Sstevel@tonic-gate else 59417c478bd9Sstevel@tonic-gate flag = 0; 59427c478bd9Sstevel@tonic-gate } 59437c478bd9Sstevel@tonic-gate *flagp = flag; 59447c478bd9Sstevel@tonic-gate } 59457c478bd9Sstevel@tonic-gate 59467c478bd9Sstevel@tonic-gate nfsstat4 59477c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 59487c478bd9Sstevel@tonic-gate { 59497c478bd9Sstevel@tonic-gate nfsstat4 e; 59507c478bd9Sstevel@tonic-gate 5951d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 59527c478bd9Sstevel@tonic-gate 5953d216dff5SRobert Mastors if (cp->rc_sysidt != LM_NOSYSID) { 5954d216dff5SRobert Mastors *sp = cp->rc_sysidt; 59557c478bd9Sstevel@tonic-gate e = NFS4_OK; 59567c478bd9Sstevel@tonic-gate 5957d216dff5SRobert Mastors } else if ((cp->rc_sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 5958d216dff5SRobert Mastors *sp = cp->rc_sysidt; 59597c478bd9Sstevel@tonic-gate e = NFS4_OK; 59607c478bd9Sstevel@tonic-gate 59617c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 59621b300de9Sjwahlig "rfs4_client_sysid: allocated 0x%x\n", *sp)); 59637c478bd9Sstevel@tonic-gate } else 59647c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 59657c478bd9Sstevel@tonic-gate 5966d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 59677c478bd9Sstevel@tonic-gate return (e); 59687c478bd9Sstevel@tonic-gate } 59697c478bd9Sstevel@tonic-gate 59707c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 59717c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 59727c478bd9Sstevel@tonic-gate { 59737c478bd9Sstevel@tonic-gate char *op, *type; 59747c478bd9Sstevel@tonic-gate 59757c478bd9Sstevel@tonic-gate switch (operation) { 59767c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 59777c478bd9Sstevel@tonic-gate break; 59787c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 59797c478bd9Sstevel@tonic-gate break; 5980da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 5981da6c28aaSamw break; 59827c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 59837c478bd9Sstevel@tonic-gate break; 59847c478bd9Sstevel@tonic-gate } 59857c478bd9Sstevel@tonic-gate switch (flk->l_type) { 59867c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 59877c478bd9Sstevel@tonic-gate break; 59887c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 59897c478bd9Sstevel@tonic-gate break; 59907c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 59917c478bd9Sstevel@tonic-gate break; 59927c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 59937c478bd9Sstevel@tonic-gate break; 59947c478bd9Sstevel@tonic-gate } 59957c478bd9Sstevel@tonic-gate 59967c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 59977c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 59981b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 59991b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 60007c478bd9Sstevel@tonic-gate } 60017c478bd9Sstevel@tonic-gate 60027c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 60037c478bd9Sstevel@tonic-gate #else 60047c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 60057c478bd9Sstevel@tonic-gate #endif 60067c478bd9Sstevel@tonic-gate 60077c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 60087c478bd9Sstevel@tonic-gate static bool_t 60097c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 60107c478bd9Sstevel@tonic-gate { 60117c478bd9Sstevel@tonic-gate return (TRUE); 60127c478bd9Sstevel@tonic-gate } 60137c478bd9Sstevel@tonic-gate 60147c478bd9Sstevel@tonic-gate /* 60157c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 60167c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 60177c478bd9Sstevel@tonic-gate */ 60187c478bd9Sstevel@tonic-gate 60197c478bd9Sstevel@tonic-gate static nfsstat4 60207c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 6021d216dff5SRobert Mastors struct compound_state *cs) 60227c478bd9Sstevel@tonic-gate { 60237c478bd9Sstevel@tonic-gate char *nm; 60247c478bd9Sstevel@tonic-gate uint32_t len; 60257c478bd9Sstevel@tonic-gate nfsstat4 status; 60267c478bd9Sstevel@tonic-gate 60277c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 60287c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 60297c478bd9Sstevel@tonic-gate } 60307c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 60317c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 60327c478bd9Sstevel@tonic-gate } 60337c478bd9Sstevel@tonic-gate 60347c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 60357c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60367c478bd9Sstevel@tonic-gate 60377c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 60387c478bd9Sstevel@tonic-gate if (nm == NULL) { 60397c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60407c478bd9Sstevel@tonic-gate } 60417c478bd9Sstevel@tonic-gate 60427c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 60437c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60447c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 60457c478bd9Sstevel@tonic-gate } 60467c478bd9Sstevel@tonic-gate 60477c478bd9Sstevel@tonic-gate status = do_rfs4_op_lookup(nm, len, req, cs); 60487c478bd9Sstevel@tonic-gate 60497c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60507c478bd9Sstevel@tonic-gate 60517c478bd9Sstevel@tonic-gate return (status); 60527c478bd9Sstevel@tonic-gate } 60537c478bd9Sstevel@tonic-gate 60547c478bd9Sstevel@tonic-gate static nfsstat4 60557c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 6056d216dff5SRobert Mastors struct compound_state *cs, uint32_t access, change_info4 *cinfo) 60577c478bd9Sstevel@tonic-gate { 60587c478bd9Sstevel@tonic-gate nfsstat4 status; 60597c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 60607c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 60617c478bd9Sstevel@tonic-gate int error; 60627c478bd9Sstevel@tonic-gate 60637c478bd9Sstevel@tonic-gate /* Get "before" change value */ 60647c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 6065da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 60667c478bd9Sstevel@tonic-gate if (error) 60677c478bd9Sstevel@tonic-gate return (puterrno4(error)); 60687c478bd9Sstevel@tonic-gate 60697c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 60707c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 60717c478bd9Sstevel@tonic-gate 60727c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 60737c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 60747c478bd9Sstevel@tonic-gate VN_RELE(dvp); 60757c478bd9Sstevel@tonic-gate return (status); 60767c478bd9Sstevel@tonic-gate } 60777c478bd9Sstevel@tonic-gate 60787c478bd9Sstevel@tonic-gate /* 60797c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 60807c478bd9Sstevel@tonic-gate * before value. 60817c478bd9Sstevel@tonic-gate */ 60827c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6083da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 60847c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 60857c478bd9Sstevel@tonic-gate ava.va_seq = 0; 60867c478bd9Sstevel@tonic-gate } 60877c478bd9Sstevel@tonic-gate VN_RELE(dvp); 60887c478bd9Sstevel@tonic-gate 60897c478bd9Sstevel@tonic-gate /* 60907c478bd9Sstevel@tonic-gate * Validate the file is a file 60917c478bd9Sstevel@tonic-gate */ 60927c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 6093da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 60947c478bd9Sstevel@tonic-gate if (error) 60957c478bd9Sstevel@tonic-gate return (puterrno4(error)); 60967c478bd9Sstevel@tonic-gate 60977c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 60987c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 60997c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 61007c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 61017c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 61027c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 61037c478bd9Sstevel@tonic-gate } 61047c478bd9Sstevel@tonic-gate 61057c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 61067c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 61077c478bd9Sstevel@tonic-gate 61087c478bd9Sstevel@tonic-gate /* 61097c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 61107c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 61117c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 61127c478bd9Sstevel@tonic-gate */ 61137c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 61147c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 61157c478bd9Sstevel@tonic-gate else 61167c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 61177c478bd9Sstevel@tonic-gate 61187c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 61197c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 61207c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 61217c478bd9Sstevel@tonic-gate } 61227c478bd9Sstevel@tonic-gate 61237c478bd9Sstevel@tonic-gate static nfsstat4 61247c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 6125d216dff5SRobert Mastors timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 61267c478bd9Sstevel@tonic-gate { 61277c478bd9Sstevel@tonic-gate int error; 61287c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 61297c478bd9Sstevel@tonic-gate vattr_t va; 61307c478bd9Sstevel@tonic-gate 61317c478bd9Sstevel@tonic-gate tryagain: 61327c478bd9Sstevel@tonic-gate 61337c478bd9Sstevel@tonic-gate /* 61347c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 61357c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 61367c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 61377c478bd9Sstevel@tonic-gate * passed as part of the arguments. 61387c478bd9Sstevel@tonic-gate */ 61397c478bd9Sstevel@tonic-gate 61407c478bd9Sstevel@tonic-gate *created = TRUE; 6141da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 61427c478bd9Sstevel@tonic-gate 61437c478bd9Sstevel@tonic-gate if (error) { 61447c478bd9Sstevel@tonic-gate *created = FALSE; 61457c478bd9Sstevel@tonic-gate 61467c478bd9Sstevel@tonic-gate /* 61477c478bd9Sstevel@tonic-gate * If we got something other than file already exists 61487c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 61497c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 61507c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 61517c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 61527c478bd9Sstevel@tonic-gate * exclusive create request. 61537c478bd9Sstevel@tonic-gate * 61547c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 61557c478bd9Sstevel@tonic-gate * request will never return EEXIST. 61567c478bd9Sstevel@tonic-gate */ 61577c478bd9Sstevel@tonic-gate 61587c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 61597c478bd9Sstevel@tonic-gate status = puterrno4(error); 61607c478bd9Sstevel@tonic-gate return (status); 61617c478bd9Sstevel@tonic-gate } 6162da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 6163da6c28aaSamw NULL, NULL, NULL); 61647c478bd9Sstevel@tonic-gate 61657c478bd9Sstevel@tonic-gate if (error) { 61667c478bd9Sstevel@tonic-gate /* 61677c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 61687c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 61697c478bd9Sstevel@tonic-gate * it again. 61707c478bd9Sstevel@tonic-gate */ 61717c478bd9Sstevel@tonic-gate if (error == ENOENT) 61727c478bd9Sstevel@tonic-gate goto tryagain; 61737c478bd9Sstevel@tonic-gate 61747c478bd9Sstevel@tonic-gate status = puterrno4(error); 61757c478bd9Sstevel@tonic-gate return (status); 61767c478bd9Sstevel@tonic-gate } 61777c478bd9Sstevel@tonic-gate 61787c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 61797c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 61807c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 61817c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 61827c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 61837c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 61847c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 61857c478bd9Sstevel@tonic-gate else 61867c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 61877c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61887c478bd9Sstevel@tonic-gate return (status); 61897c478bd9Sstevel@tonic-gate } 61907c478bd9Sstevel@tonic-gate 61917c478bd9Sstevel@tonic-gate return (NFS4_OK); 61927c478bd9Sstevel@tonic-gate } 61937c478bd9Sstevel@tonic-gate 61947c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 61957c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 61967c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 6197da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 61987c478bd9Sstevel@tonic-gate if (!error) { 61997c478bd9Sstevel@tonic-gate /* We found the file */ 62007c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 62017c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 62027c478bd9Sstevel@tonic-gate /* but its not our creation */ 62037c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62047c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62057c478bd9Sstevel@tonic-gate } 62067c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 62077c478bd9Sstevel@tonic-gate return (NFS4_OK); 62087c478bd9Sstevel@tonic-gate } 62097c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62107c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62117c478bd9Sstevel@tonic-gate } 62127c478bd9Sstevel@tonic-gate 62137c478bd9Sstevel@tonic-gate return (NFS4_OK); 62147c478bd9Sstevel@tonic-gate } 62157c478bd9Sstevel@tonic-gate 62167c478bd9Sstevel@tonic-gate static nfsstat4 6217d216dff5SRobert Mastors check_open_access(uint32_t access, struct compound_state *cs, 6218d216dff5SRobert Mastors struct svc_req *req) 62197c478bd9Sstevel@tonic-gate { 62207c478bd9Sstevel@tonic-gate int error; 62217c478bd9Sstevel@tonic-gate vnode_t *vp; 62227c478bd9Sstevel@tonic-gate bool_t readonly; 62237c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 62247c478bd9Sstevel@tonic-gate 62257c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 62267c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 62277c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62287c478bd9Sstevel@tonic-gate } 62297c478bd9Sstevel@tonic-gate 62307c478bd9Sstevel@tonic-gate vp = cs->vp; 62317c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 62327c478bd9Sstevel@tonic-gate 62337c478bd9Sstevel@tonic-gate /* 62347c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 62357c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 62367c478bd9Sstevel@tonic-gate */ 62377c478bd9Sstevel@tonic-gate 62387c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 62397c478bd9Sstevel@tonic-gate 62407c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 62417c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 62427c478bd9Sstevel@tonic-gate 62437c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 6244da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 6245da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 62467c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62477c478bd9Sstevel@tonic-gate } 62487c478bd9Sstevel@tonic-gate } 62497c478bd9Sstevel@tonic-gate 62507c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 6251da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 62527c478bd9Sstevel@tonic-gate if (error) 62537c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62547c478bd9Sstevel@tonic-gate } 62557c478bd9Sstevel@tonic-gate 62567c478bd9Sstevel@tonic-gate return (NFS4_OK); 62577c478bd9Sstevel@tonic-gate } 62587c478bd9Sstevel@tonic-gate 62597c478bd9Sstevel@tonic-gate static nfsstat4 62607c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 6261d216dff5SRobert Mastors change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 62627c478bd9Sstevel@tonic-gate { 62637c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 62647c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 62657c478bd9Sstevel@tonic-gate 62667c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 62677c478bd9Sstevel@tonic-gate struct statvfs64 sb; 62687c478bd9Sstevel@tonic-gate nfsstat4 status; 62697c478bd9Sstevel@tonic-gate vnode_t *vp; 62707c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 62717c478bd9Sstevel@tonic-gate vnode_t *dvp; 62727c478bd9Sstevel@tonic-gate timespec32_t *mtime; 62737c478bd9Sstevel@tonic-gate char *nm = NULL; 62747c478bd9Sstevel@tonic-gate uint_t buflen; 62757c478bd9Sstevel@tonic-gate bool_t created; 62767c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 62777c478bd9Sstevel@tonic-gate len_t reqsize; 62787c478bd9Sstevel@tonic-gate int error; 62797c478bd9Sstevel@tonic-gate bool_t trunc; 62807c478bd9Sstevel@tonic-gate caller_context_t ct; 62817c478bd9Sstevel@tonic-gate component4 *component; 628245916cd2Sjpk bslabel_t *clabel; 6283b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 6284b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 62857c478bd9Sstevel@tonic-gate 62867c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 6287*2f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 62887c478bd9Sstevel@tonic-gate 62897c478bd9Sstevel@tonic-gate dvp = cs->vp; 62907c478bd9Sstevel@tonic-gate 62917c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 62927c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 62937c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 62947c478bd9Sstevel@tonic-gate 629545916cd2Sjpk /* check the label of including directory */ 629645916cd2Sjpk if (is_system_labeled()) { 629745916cd2Sjpk ASSERT(req->rq_label != NULL); 629845916cd2Sjpk clabel = req->rq_label; 629945916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 630045916cd2Sjpk "got client label from request(1)", 630145916cd2Sjpk struct svc_req *, req); 630245916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 6303bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK, 6304bd6f1640SJarrett Lu cs->exi)) { 630545916cd2Sjpk return (NFS4ERR_ACCESS); 630645916cd2Sjpk } 630745916cd2Sjpk } 630845916cd2Sjpk } 630945916cd2Sjpk 63107c478bd9Sstevel@tonic-gate /* 63117c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 63127c478bd9Sstevel@tonic-gate * the including directory on success. 63137c478bd9Sstevel@tonic-gate */ 63147c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 63157c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 63167c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63177c478bd9Sstevel@tonic-gate 63187c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 63197c478bd9Sstevel@tonic-gate 63207c478bd9Sstevel@tonic-gate if (nm == NULL) 63217c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 63227c478bd9Sstevel@tonic-gate 63237c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 63247c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63257c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 63267c478bd9Sstevel@tonic-gate } 63277c478bd9Sstevel@tonic-gate 63287c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 6329da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 63307c478bd9Sstevel@tonic-gate if (error) { 63317c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63327c478bd9Sstevel@tonic-gate return (puterrno4(error)); 63337c478bd9Sstevel@tonic-gate } 63347c478bd9Sstevel@tonic-gate 63357c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 63367c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63377c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 63387c478bd9Sstevel@tonic-gate } 63397c478bd9Sstevel@tonic-gate 63407c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 63417c478bd9Sstevel@tonic-gate 63427c478bd9Sstevel@tonic-gate switch (args->mode) { 63437c478bd9Sstevel@tonic-gate case GUARDED4: 63447c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 63457c478bd9Sstevel@tonic-gate case UNCHECKED4: 63467c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 63477c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 63487c478bd9Sstevel@tonic-gate 63497c478bd9Sstevel@tonic-gate *attrset = 0; 63507c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 63511b300de9Sjwahlig &args->createhow4_u.createattrs, 63521b300de9Sjwahlig cs, &sarg, &ntov, NFS4ATTR_SETIT); 63537c478bd9Sstevel@tonic-gate 63547c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 63557c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 63567c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 63577c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 63587c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 63597c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 63607c478bd9Sstevel@tonic-gate else 63617c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 63627c478bd9Sstevel@tonic-gate } 63637c478bd9Sstevel@tonic-gate 63647c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 63657c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63667c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 63677c478bd9Sstevel@tonic-gate *attrset = 0; 63687c478bd9Sstevel@tonic-gate return (status); 63697c478bd9Sstevel@tonic-gate } 63707c478bd9Sstevel@tonic-gate 63717c478bd9Sstevel@tonic-gate vap = sarg.vap; 63727c478bd9Sstevel@tonic-gate vap->va_type = VREG; 63737c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 63747c478bd9Sstevel@tonic-gate 63757c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 63767c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 63777c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 63787c478bd9Sstevel@tonic-gate } 63797c478bd9Sstevel@tonic-gate 63807c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 63817c478bd9Sstevel@tonic-gate 63827c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 63837c478bd9Sstevel@tonic-gate 63847c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 63857c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63867c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 63877c478bd9Sstevel@tonic-gate *attrset = 0; 63887c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63897c478bd9Sstevel@tonic-gate } 63907c478bd9Sstevel@tonic-gate setsize = TRUE; 63917c478bd9Sstevel@tonic-gate } 63927c478bd9Sstevel@tonic-gate break; 63937c478bd9Sstevel@tonic-gate 63947c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 63957c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 63967c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 63977c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63987c478bd9Sstevel@tonic-gate *attrset = 0; 63997c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64007c478bd9Sstevel@tonic-gate } 64017c478bd9Sstevel@tonic-gate 64027c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 64037c478bd9Sstevel@tonic-gate cva.va_type = VREG; 64047c478bd9Sstevel@tonic-gate /* 64057c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 64067c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 64077c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 64087c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 64097c478bd9Sstevel@tonic-gate */ 64107c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 64117c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 64127c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 64137c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 64147c478bd9Sstevel@tonic-gate vap = &cva; 6415476ea8c9SJeff A. Smith 6416476ea8c9SJeff A. Smith /* 6417476ea8c9SJeff A. Smith * For EXCL create, attrset is set to the server attr 6418476ea8c9SJeff A. Smith * used to cache the client's verifier. 6419476ea8c9SJeff A. Smith */ 6420476ea8c9SJeff A. Smith *attrset = FATTR4_TIME_MODIFY_MASK; 64217c478bd9Sstevel@tonic-gate break; 64227c478bd9Sstevel@tonic-gate } 64237c478bd9Sstevel@tonic-gate 6424b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 6425b89a8333Snatalie li - Sun Microsystems - Irvine United States 6426b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6427b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6428b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 6429b89a8333Snatalie li - Sun Microsystems - Irvine United States 6430b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 6431b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, buflen); 6432b89a8333Snatalie li - Sun Microsystems - Irvine United States return (NFS4ERR_SERVERFAULT); 6433b89a8333Snatalie li - Sun Microsystems - Irvine United States } 6434b89a8333Snatalie li - Sun Microsystems - Irvine United States 6435b89a8333Snatalie li - Sun Microsystems - Irvine United States status = create_vnode(dvp, name, vap, args->mode, mtime, 64361b300de9Sjwahlig cs->cr, &vp, &created); 6437b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 6438b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 64397c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64407c478bd9Sstevel@tonic-gate 64417c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64427c478bd9Sstevel@tonic-gate if (ntov_table_init) 64437c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64447c478bd9Sstevel@tonic-gate *attrset = 0; 64457c478bd9Sstevel@tonic-gate return (status); 64467c478bd9Sstevel@tonic-gate } 64477c478bd9Sstevel@tonic-gate 64487c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 64497c478bd9Sstevel@tonic-gate 64507c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 64517c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 64527c478bd9Sstevel@tonic-gate 64537c478bd9Sstevel@tonic-gate /* 64547c478bd9Sstevel@tonic-gate * True verification that object was created with correct 64557c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 64567c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 64577c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 64587c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 64597c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 64607c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 64617c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 64627c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 64637c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 64647c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 64657c478bd9Sstevel@tonic-gate * 64667c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 64677c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 64687c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 64697c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 64707c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 64717c478bd9Sstevel@tonic-gate */ 64727c478bd9Sstevel@tonic-gate if (created) { 64737c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 64747c478bd9Sstevel@tonic-gate *attrset &= createmask; 64757c478bd9Sstevel@tonic-gate } else { 64767c478bd9Sstevel@tonic-gate /* 64777c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 64787c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 64797c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 64807c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 64817c478bd9Sstevel@tonic-gate */ 64827c478bd9Sstevel@tonic-gate *attrset = 0; 64837c478bd9Sstevel@tonic-gate if (trunc) 64847c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 64857c478bd9Sstevel@tonic-gate } 64867c478bd9Sstevel@tonic-gate } 64877c478bd9Sstevel@tonic-gate if (ntov_table_init) 64887c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64897c478bd9Sstevel@tonic-gate 64907c478bd9Sstevel@tonic-gate /* 64917c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 64927c478bd9Sstevel@tonic-gate * set to zero, time to before. 64937c478bd9Sstevel@tonic-gate */ 64947c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 6495da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 64967c478bd9Sstevel@tonic-gate iva.va_seq = 0; 64977c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 64987c478bd9Sstevel@tonic-gate } 64997c478bd9Sstevel@tonic-gate 65007c478bd9Sstevel@tonic-gate /* 65017c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 65027c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 65037c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 65047c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 65057c478bd9Sstevel@tonic-gate * we don't know what changed it. 65067c478bd9Sstevel@tonic-gate */ 65077c478bd9Sstevel@tonic-gate if (!created) { 65087c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 65091b300de9Sjwahlig bva.va_seq == iva.va_seq) 65107c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65117c478bd9Sstevel@tonic-gate else 65127c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65137c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 65147c478bd9Sstevel@tonic-gate } else { 65157c478bd9Sstevel@tonic-gate /* 65167c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 65177c478bd9Sstevel@tonic-gate * directory metadata. 65187c478bd9Sstevel@tonic-gate */ 6519da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 65207c478bd9Sstevel@tonic-gate 65217c478bd9Sstevel@tonic-gate /* 65227c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 65237c478bd9Sstevel@tonic-gate * before value. 65247c478bd9Sstevel@tonic-gate */ 65257c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6526da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 65277c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 65287c478bd9Sstevel@tonic-gate ava.va_seq = 0; 65297c478bd9Sstevel@tonic-gate } 65307c478bd9Sstevel@tonic-gate 65317c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 65327c478bd9Sstevel@tonic-gate 65337c478bd9Sstevel@tonic-gate /* 65347c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 65357c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 65367c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 65377c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 65387c478bd9Sstevel@tonic-gate */ 65397c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 65401b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 65417c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65427c478bd9Sstevel@tonic-gate else 65437c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65447c478bd9Sstevel@tonic-gate } 65457c478bd9Sstevel@tonic-gate 65467c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 65477c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 65487c478bd9Sstevel@tonic-gate if (setsize) 65497c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 65507c478bd9Sstevel@tonic-gate 65517c478bd9Sstevel@tonic-gate /* Assume the worst */ 65527c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 65537c478bd9Sstevel@tonic-gate 6554da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 65557c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 65567c478bd9Sstevel@tonic-gate 65577c478bd9Sstevel@tonic-gate /* 65587c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 65597c478bd9Sstevel@tonic-gate * the case for create over an existing file. 65607c478bd9Sstevel@tonic-gate */ 65617c478bd9Sstevel@tonic-gate 65627c478bd9Sstevel@tonic-gate if (trunc) { 65637c478bd9Sstevel@tonic-gate int in_crit = 0; 65647c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 65657c478bd9Sstevel@tonic-gate bool_t create = FALSE; 65667c478bd9Sstevel@tonic-gate 65677c478bd9Sstevel@tonic-gate /* 65687c478bd9Sstevel@tonic-gate * We are writing over an existing file. 65697c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 65707c478bd9Sstevel@tonic-gate */ 65717c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 65727c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 65737c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 65741b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 65757c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 65767c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 65777c478bd9Sstevel@tonic-gate VN_RELE(vp); 65787c478bd9Sstevel@tonic-gate *attrset = 0; 65797c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 65807c478bd9Sstevel@tonic-gate } 65817c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 65827c478bd9Sstevel@tonic-gate } 65837c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 65847c478bd9Sstevel@tonic-gate 65857c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 65867c478bd9Sstevel@tonic-gate in_crit = 1; 65877c478bd9Sstevel@tonic-gate 65887c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 65897c478bd9Sstevel@tonic-gate 65907c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 65917c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6592da6c28aaSamw cva.va_size, 0, NULL)) { 65937c478bd9Sstevel@tonic-gate in_crit = 0; 65947c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 65957c478bd9Sstevel@tonic-gate VN_RELE(vp); 65967c478bd9Sstevel@tonic-gate *attrset = 0; 65977c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 65987c478bd9Sstevel@tonic-gate } 65997c478bd9Sstevel@tonic-gate } 66007c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 66017c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 66027c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 660362b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 66047c478bd9Sstevel@tonic-gate 66057c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 66067c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 66077c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 66087c478bd9Sstevel@tonic-gate if (in_crit) 66097c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66107c478bd9Sstevel@tonic-gate } 66117c478bd9Sstevel@tonic-gate } 66127c478bd9Sstevel@tonic-gate 66137c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 66147c478bd9Sstevel@tonic-gate 66157c478bd9Sstevel@tonic-gate /* 66167c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 66177c478bd9Sstevel@tonic-gate */ 6618da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 66197c478bd9Sstevel@tonic-gate 66207c478bd9Sstevel@tonic-gate if (error) { 66217c478bd9Sstevel@tonic-gate VN_RELE(vp); 66227c478bd9Sstevel@tonic-gate *attrset = 0; 66237c478bd9Sstevel@tonic-gate return (puterrno4(error)); 66247c478bd9Sstevel@tonic-gate } 66257c478bd9Sstevel@tonic-gate 66267c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 66277c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 66287c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 66297c478bd9Sstevel@tonic-gate 66307c478bd9Sstevel@tonic-gate if (cs->vp) 66317c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 66327c478bd9Sstevel@tonic-gate 66337c478bd9Sstevel@tonic-gate cs->vp = vp; 66347c478bd9Sstevel@tonic-gate 66357c478bd9Sstevel@tonic-gate /* 66367c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 66377c478bd9Sstevel@tonic-gate * the access bits on the file 66387c478bd9Sstevel@tonic-gate */ 66397c478bd9Sstevel@tonic-gate 66407c478bd9Sstevel@tonic-gate if (!created) { 66417c478bd9Sstevel@tonic-gate if (setsize) 66427c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 66437c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 66447c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 66457c478bd9Sstevel@tonic-gate *attrset = 0; 66467c478bd9Sstevel@tonic-gate } 66477c478bd9Sstevel@tonic-gate return (status); 66487c478bd9Sstevel@tonic-gate } 66497c478bd9Sstevel@tonic-gate 66507c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 66517c478bd9Sstevel@tonic-gate static void 66527c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 6653d216dff5SRobert Mastors rfs4_openowner_t *oo, delegreq_t deleg, 6654d216dff5SRobert Mastors uint32_t access, uint32_t deny, 6655d216dff5SRobert Mastors OPEN4res *resp, int deleg_cur) 66567c478bd9Sstevel@tonic-gate { 66577c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 6658d216dff5SRobert Mastors rfs4_state_t *sp; 6659d216dff5SRobert Mastors rfs4_file_t *fp; 66607c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 66617c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 666250956b22SJames Wahlig uint32_t open_a, share_a; 666350956b22SJames Wahlig uint32_t open_d, share_d; 66647c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 66657c478bd9Sstevel@tonic-gate sysid_t sysid; 66667c478bd9Sstevel@tonic-gate nfsstat4 status; 6667da6c28aaSamw caller_context_t ct; 66687c478bd9Sstevel@tonic-gate int fflags = 0; 66697c478bd9Sstevel@tonic-gate int recall = 0; 66707c478bd9Sstevel@tonic-gate int err; 6671d216dff5SRobert Mastors int first_open; 66727c478bd9Sstevel@tonic-gate 66737c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 6674d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 6675d216dff5SRobert Mastors if (fp == NULL) { 6676f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 6677f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open1, nfsstat4, resp->status); 66787c478bd9Sstevel@tonic-gate return; 66797c478bd9Sstevel@tonic-gate } 66807c478bd9Sstevel@tonic-gate 6681d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &screate); 6682d216dff5SRobert Mastors if (sp == NULL) { 66837c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 6684f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open2, nfsstat4, resp->status); 66857c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 6686d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 6687d216dff5SRobert Mastors rfs4_file_rele(fp); 66887c478bd9Sstevel@tonic-gate return; 66897c478bd9Sstevel@tonic-gate } 66907c478bd9Sstevel@tonic-gate 6691fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 6692d216dff5SRobert Mastors if ((status = rfs4_client_sysid(oo->ro_client, &sysid)) != NFS4_OK) { 66937c478bd9Sstevel@tonic-gate resp->status = status; 6694d216dff5SRobert Mastors rfs4_file_rele(fp); 66957c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 66967c478bd9Sstevel@tonic-gate if (screate == TRUE) 6697d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6698d216dff5SRobert Mastors rfs4_state_rele(sp); 66997c478bd9Sstevel@tonic-gate return; 67007c478bd9Sstevel@tonic-gate } 67017c478bd9Sstevel@tonic-gate 6702da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6703da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6704da6c28aaSamw fflags |= FREAD; 6705da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6706da6c28aaSamw fflags |= FWRITE; 6707da6c28aaSamw 6708d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6709d216dff5SRobert Mastors 6710fd93bfc3Sjwahlig /* 6711fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6712fd93bfc3Sjwahlig * the file for this open owner; 6713fd93bfc3Sjwahlig */ 671450956b22SJames Wahlig open_d = (deny & ~sp->rs_open_deny); 671550956b22SJames Wahlig open_a = (access & ~sp->rs_open_access); 6716d216dff5SRobert Mastors 671750956b22SJames Wahlig /* 671850956b22SJames Wahlig * Calculate the new share access and share deny modes that this open 671950956b22SJames Wahlig * is adding to the file for this open owner; 672050956b22SJames Wahlig */ 672150956b22SJames Wahlig share_a = (access & ~sp->rs_share_access); 672250956b22SJames Wahlig share_d = (deny & ~sp->rs_share_deny); 672350956b22SJames Wahlig 672450956b22SJames Wahlig first_open = (sp->rs_open_access & OPEN4_SHARE_ACCESS_BOTH) == 0; 67257c478bd9Sstevel@tonic-gate 6726fd93bfc3Sjwahlig /* 6727fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6728fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6729fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6730fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6731fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6732fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6733fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6734fd93bfc3Sjwahlig * on shares modes. 6735fd93bfc3Sjwahlig */ 67367c478bd9Sstevel@tonic-gate 673750956b22SJames Wahlig if (share_a || share_d) { 6738d216dff5SRobert Mastors if ((err = rfs4_share(sp, access, deny)) != 0) { 6739d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6740d216dff5SRobert Mastors resp->status = err; 6741d216dff5SRobert Mastors 6742d216dff5SRobert Mastors rfs4_file_rele(fp); 6743fd93bfc3Sjwahlig /* Not a fully formed open; "close" it */ 6744fd93bfc3Sjwahlig if (screate == TRUE) 6745d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6746d216dff5SRobert Mastors rfs4_state_rele(sp); 6747fd93bfc3Sjwahlig return; 6748fd93bfc3Sjwahlig } 67497c478bd9Sstevel@tonic-gate } 67507c478bd9Sstevel@tonic-gate 6751d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 67527c478bd9Sstevel@tonic-gate 67537c478bd9Sstevel@tonic-gate /* 67547c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 67557c478bd9Sstevel@tonic-gate * recall needs to be done. 67567c478bd9Sstevel@tonic-gate */ 6757d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6758d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6759d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6760d216dff5SRobert Mastors rfs4_recall_deleg(fp, FALSE, sp->rs_owner->ro_client); 67617c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 6762d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 676314f41b92SRobert Mastors 676414f41b92SRobert Mastors /* if state closed while lock was dropped */ 676514f41b92SRobert Mastors if (sp->rs_closed) { 676650956b22SJames Wahlig if (share_a || share_d) 676714f41b92SRobert Mastors (void) rfs4_unshare(sp); 676814f41b92SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 676914f41b92SRobert Mastors rfs4_file_rele(fp); 677014f41b92SRobert Mastors /* Not a fully formed open; "close" it */ 677114f41b92SRobert Mastors if (screate == TRUE) 677214f41b92SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 677314f41b92SRobert Mastors rfs4_state_rele(sp); 677414f41b92SRobert Mastors resp->status = NFS4ERR_OLD_STATEID; 677514f41b92SRobert Mastors return; 677614f41b92SRobert Mastors } 677714f41b92SRobert Mastors 6778d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 67797c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 6780d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6781d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 678250956b22SJames Wahlig if (share_a || share_d) 6783d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6784d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6785d216dff5SRobert Mastors rfs4_file_rele(fp); 6786d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 6787d216dff5SRobert Mastors 67887c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 67897c478bd9Sstevel@tonic-gate if (screate == TRUE) 6790d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6791d216dff5SRobert Mastors rfs4_state_rele(sp); 67927c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 67937c478bd9Sstevel@tonic-gate return; 67947c478bd9Sstevel@tonic-gate } 67957c478bd9Sstevel@tonic-gate } 6796da6c28aaSamw /* 6797da6c28aaSamw * the share check passed and any delegation conflict has been 6798da6c28aaSamw * taken care of, now call vop_open. 6799da6c28aaSamw * if this is the first open then call vop_open with fflags. 6800da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6801da6c28aaSamw * 6802da6c28aaSamw * if the file has been opened already, it will have the current 6803da6c28aaSamw * access mode in the state struct. if it has no share access, then 6804da6c28aaSamw * this is a new open. 6805da6c28aaSamw * 6806da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6807da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6808da6c28aaSamw */ 6809d216dff5SRobert Mastors if (first_open && !deleg_cur) { 6810da6c28aaSamw ct.cc_sysid = sysid; 6811d216dff5SRobert Mastors ct.cc_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 6812da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 681362b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 6814da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6815da6c28aaSamw if (err) { 6816d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 681750956b22SJames Wahlig if (share_a || share_d) 6818d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6819d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6820d216dff5SRobert Mastors rfs4_file_rele(fp); 6821d216dff5SRobert Mastors 6822da6c28aaSamw /* Not a fully formed open; "close" it */ 6823da6c28aaSamw if (screate == TRUE) 6824d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6825d216dff5SRobert Mastors rfs4_state_rele(sp); 6826335fb9e6Sjwahlig /* check if a monitor detected a delegation conflict */ 6827335fb9e6Sjwahlig if (err == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 6828335fb9e6Sjwahlig resp->status = NFS4ERR_DELAY; 6829335fb9e6Sjwahlig else 6830335fb9e6Sjwahlig resp->status = NFS4ERR_SERVERFAULT; 6831da6c28aaSamw return; 6832da6c28aaSamw } 6833da6c28aaSamw } else { /* open upgrade */ 6834da6c28aaSamw /* 6835da6c28aaSamw * calculate the fflags for the new mode that is being added 6836da6c28aaSamw * by this upgrade. 6837da6c28aaSamw */ 6838da6c28aaSamw fflags = 0; 683950956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6840da6c28aaSamw fflags |= FREAD; 684150956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6842da6c28aaSamw fflags |= FWRITE; 6843da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6844da6c28aaSamw } 684550956b22SJames Wahlig sp->rs_open_access |= access; 684650956b22SJames Wahlig sp->rs_open_deny |= deny; 68477c478bd9Sstevel@tonic-gate 684850956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_READ) 6849d216dff5SRobert Mastors fp->rf_deny_read++; 685050956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_WRITE) 6851d216dff5SRobert Mastors fp->rf_deny_write++; 6852d216dff5SRobert Mastors fp->rf_share_deny |= deny; 68537c478bd9Sstevel@tonic-gate 685450956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6855d216dff5SRobert Mastors fp->rf_access_read++; 685650956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6857d216dff5SRobert Mastors fp->rf_access_write++; 6858d216dff5SRobert Mastors fp->rf_share_access |= access; 68597c478bd9Sstevel@tonic-gate 68607c478bd9Sstevel@tonic-gate /* 68617c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 68627c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 68637c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 68647c478bd9Sstevel@tonic-gate * set the recall flag. 68657c478bd9Sstevel@tonic-gate */ 68667c478bd9Sstevel@tonic-gate 6867d216dff5SRobert Mastors dsp = rfs4_grant_delegation(deleg, sp, &recall); 68687c478bd9Sstevel@tonic-gate 6869d216dff5SRobert Mastors cs->deleg = (fp->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE); 68707c478bd9Sstevel@tonic-gate 6871d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 68727c478bd9Sstevel@tonic-gate 6873d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 68747c478bd9Sstevel@tonic-gate 6875d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6876d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 68777c478bd9Sstevel@tonic-gate 68787c478bd9Sstevel@tonic-gate if (dsp) { 68797c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 68807c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 68817c478bd9Sstevel@tonic-gate } 68827c478bd9Sstevel@tonic-gate 6883d216dff5SRobert Mastors rfs4_file_rele(fp); 6884d216dff5SRobert Mastors rfs4_state_rele(sp); 68857c478bd9Sstevel@tonic-gate 68867c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 68877c478bd9Sstevel@tonic-gate } 68887c478bd9Sstevel@tonic-gate 68897c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 68907c478bd9Sstevel@tonic-gate static void 68917c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 6892d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 68937c478bd9Sstevel@tonic-gate { 68947c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 68957c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 68967c478bd9Sstevel@tonic-gate 68977c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 68987c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 68991b300de9Sjwahlig req, cs, args->share_access, cinfo); 69007c478bd9Sstevel@tonic-gate else { 69017c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 69027c478bd9Sstevel@tonic-gate 69037c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69047c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 69057c478bd9Sstevel@tonic-gate 69067c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 6907d216dff5SRobert Mastors oo->ro_client->rc_clientid); 69087c478bd9Sstevel@tonic-gate } 69097c478bd9Sstevel@tonic-gate 69107c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 69117c478bd9Sstevel@tonic-gate 69127c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 69137c478bd9Sstevel@tonic-gate 6914e228dd39SJames Wahlig rfs4_do_open(cs, req, oo, 6915e228dd39SJames Wahlig oo->ro_need_confirm ? DELEG_NONE : DELEG_ANY, 6916e228dd39SJames Wahlig args->share_access, args->share_deny, resp, 0); 69177c478bd9Sstevel@tonic-gate 69187c478bd9Sstevel@tonic-gate /* 69197c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 69207c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 69217c478bd9Sstevel@tonic-gate */ 69227c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 69237c478bd9Sstevel@tonic-gate resp->attrset = 0; 69247c478bd9Sstevel@tonic-gate } 69257c478bd9Sstevel@tonic-gate } 69267c478bd9Sstevel@tonic-gate else 69277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 69287c478bd9Sstevel@tonic-gate 69297c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69307c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 69317c478bd9Sstevel@tonic-gate } 69327c478bd9Sstevel@tonic-gate 69337c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69347c478bd9Sstevel@tonic-gate static void 69357c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 6936d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69377c478bd9Sstevel@tonic-gate { 69387c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69397c478bd9Sstevel@tonic-gate vattr_t va; 69407c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 69417c478bd9Sstevel@tonic-gate int error = 0; 69427c478bd9Sstevel@tonic-gate 69437c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 69447c478bd9Sstevel@tonic-gate if (v_type != VREG) { 69457c478bd9Sstevel@tonic-gate if (v_type == VDIR) 69467c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 69477c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 69487c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 69497c478bd9Sstevel@tonic-gate else 69507c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 69517c478bd9Sstevel@tonic-gate return; 69527c478bd9Sstevel@tonic-gate } 69537c478bd9Sstevel@tonic-gate 69547c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 6955da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 69567c478bd9Sstevel@tonic-gate if (error) { 69577c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 69587c478bd9Sstevel@tonic-gate return; 69597c478bd9Sstevel@tonic-gate } 69607c478bd9Sstevel@tonic-gate 69617c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 69627c478bd9Sstevel@tonic-gate 69637c478bd9Sstevel@tonic-gate /* 69647c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 69657c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 69667c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 69677c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 69687c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 69697c478bd9Sstevel@tonic-gate */ 69707c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 69717c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 69727c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 69737c478bd9Sstevel@tonic-gate return; 69747c478bd9Sstevel@tonic-gate } 69757c478bd9Sstevel@tonic-gate } 69767c478bd9Sstevel@tonic-gate 69777c478bd9Sstevel@tonic-gate /* 69787c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 69797c478bd9Sstevel@tonic-gate */ 69807c478bd9Sstevel@tonic-gate cinfo->before = 0; 69817c478bd9Sstevel@tonic-gate cinfo->after = 0; 69827c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 69837c478bd9Sstevel@tonic-gate 69847c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 69851b300de9Sjwahlig NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 6986da6c28aaSamw args->share_access, args->share_deny, resp, 0); 69877c478bd9Sstevel@tonic-gate } 69887c478bd9Sstevel@tonic-gate 69897c478bd9Sstevel@tonic-gate static void 69907c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 6991d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69927c478bd9Sstevel@tonic-gate { 69937c478bd9Sstevel@tonic-gate int error; 69947c478bd9Sstevel@tonic-gate nfsstat4 status; 69957c478bd9Sstevel@tonic-gate stateid4 stateid = 69961b300de9Sjwahlig args->open_claim4_u.delegate_cur_info.delegate_stateid; 69977c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 69987c478bd9Sstevel@tonic-gate 69997c478bd9Sstevel@tonic-gate /* 70007c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 70017c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 70027c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 70037c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 70047c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 70057c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 70067c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 70077c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 70087c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 70097c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 70107c478bd9Sstevel@tonic-gate */ 70117c478bd9Sstevel@tonic-gate 70127c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 70137c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 70147c478bd9Sstevel@tonic-gate resp->status = status; 70157c478bd9Sstevel@tonic-gate return; 70167c478bd9Sstevel@tonic-gate } 70177c478bd9Sstevel@tonic-gate 7018d216dff5SRobert Mastors ASSERT(dsp->rds_finfo->rf_dinfo.rd_dtype != OPEN_DELEGATE_NONE); 70197c478bd9Sstevel@tonic-gate 70207c478bd9Sstevel@tonic-gate /* 70217c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 70227c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 70237c478bd9Sstevel@tonic-gate */ 70247c478bd9Sstevel@tonic-gate 70257c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 70267c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 7027d216dff5SRobert Mastors VN_HOLD(dsp->rds_finfo->rf_vp); 7028d216dff5SRobert Mastors cs->vp = dsp->rds_finfo->rf_vp; 70297c478bd9Sstevel@tonic-gate 70307c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 70317c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 70337c478bd9Sstevel@tonic-gate return; 70347c478bd9Sstevel@tonic-gate } 70357c478bd9Sstevel@tonic-gate 70367c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 7037d216dff5SRobert Mastors dsp->rds_finfo->rf_dinfo.rd_time_lastwrite = gethrestime_sec(); 70387c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70397c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 7040da6c28aaSamw args->share_access, args->share_deny, resp, 1); 70417c478bd9Sstevel@tonic-gate } 70427c478bd9Sstevel@tonic-gate 70437c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 70447c478bd9Sstevel@tonic-gate static void 70457c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 7046d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 70477c478bd9Sstevel@tonic-gate { 70487c478bd9Sstevel@tonic-gate /* 70497c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 70507c478bd9Sstevel@tonic-gate * was delegated. 70517c478bd9Sstevel@tonic-gate * 70527c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 70537c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 70547c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 70557c478bd9Sstevel@tonic-gate * 70567c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 70577c478bd9Sstevel@tonic-gate */ 7058d216dff5SRobert Mastors rfs4_file_t *fp; 7059d216dff5SRobert Mastors rfs4_state_t *sp; 70607c478bd9Sstevel@tonic-gate bool_t create = FALSE; 70617c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 70627c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 70637c478bd9Sstevel@tonic-gate nfsace4 *ace; 70647c478bd9Sstevel@tonic-gate 70657c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 70667c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 70671b300de9Sjwahlig req, cs, args->share_access, &resp->cinfo); 70687c478bd9Sstevel@tonic-gate 70697c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 70707c478bd9Sstevel@tonic-gate return; 70717c478bd9Sstevel@tonic-gate } 70727c478bd9Sstevel@tonic-gate 70737c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 7074d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, NULL, &create); 7075d216dff5SRobert Mastors if (fp == NULL) { 7076f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 7077f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev1, nfsstat4, resp->status); 70787c478bd9Sstevel@tonic-gate return; 70797c478bd9Sstevel@tonic-gate } 70807c478bd9Sstevel@tonic-gate 7081d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &create); 7082d216dff5SRobert Mastors if (sp == NULL) { 70837c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 7084f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev2, nfsstat4, resp->status); 7085d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 7086d216dff5SRobert Mastors rfs4_file_rele(fp); 70877c478bd9Sstevel@tonic-gate return; 70887c478bd9Sstevel@tonic-gate } 70897c478bd9Sstevel@tonic-gate 7090d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 7091d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 7092d216dff5SRobert Mastors if (args->share_access != sp->rs_share_access || 7093d216dff5SRobert Mastors args->share_deny != sp->rs_share_deny || 7094d216dff5SRobert Mastors sp->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_NONE) { 70957c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 70961b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 7097d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7098d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 7099d216dff5SRobert Mastors rfs4_file_rele(fp); 7100d216dff5SRobert Mastors rfs4_state_rele(sp); 71017c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71027c478bd9Sstevel@tonic-gate return; 71037c478bd9Sstevel@tonic-gate } 7104d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7105d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 71067c478bd9Sstevel@tonic-gate 7107d216dff5SRobert Mastors dsp = rfs4_finddeleg(sp, &dcreate); 71087c478bd9Sstevel@tonic-gate if (dsp == NULL) { 7109d216dff5SRobert Mastors rfs4_state_rele(sp); 7110d216dff5SRobert Mastors rfs4_file_rele(fp); 71117c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71127c478bd9Sstevel@tonic-gate return; 71137c478bd9Sstevel@tonic-gate } 71147c478bd9Sstevel@tonic-gate 7115d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 71167c478bd9Sstevel@tonic-gate 7117d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 71187c478bd9Sstevel@tonic-gate 7119d216dff5SRobert Mastors resp->delegation.delegation_type = dsp->rds_dtype; 71207c478bd9Sstevel@tonic-gate 7121d216dff5SRobert Mastors if (dsp->rds_dtype == OPEN_DELEGATE_READ) { 71227c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 71231b300de9Sjwahlig &resp->delegation.open_delegation4_u.read; 71247c478bd9Sstevel@tonic-gate 7125d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71267c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71277c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71287c478bd9Sstevel@tonic-gate } else { 71297c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 71301b300de9Sjwahlig &resp->delegation.open_delegation4_u.write; 71317c478bd9Sstevel@tonic-gate 7132d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71337c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71347c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71357c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 71367c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 71377c478bd9Sstevel@tonic-gate } 71387c478bd9Sstevel@tonic-gate 71397c478bd9Sstevel@tonic-gate /* XXX For now */ 71407c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 71417c478bd9Sstevel@tonic-gate ace->flag = 0; 71427c478bd9Sstevel@tonic-gate ace->access_mask = 0; 71437c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 71447c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 71457c478bd9Sstevel@tonic-gate 71467c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 7147d216dff5SRobert Mastors rfs4_state_rele(sp); 7148d216dff5SRobert Mastors rfs4_file_rele(fp); 71497c478bd9Sstevel@tonic-gate } 71507c478bd9Sstevel@tonic-gate 71517c478bd9Sstevel@tonic-gate typedef enum { 71527c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 71537c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 71547c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 71557c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 71567c478bd9Sstevel@tonic-gate 71577c478bd9Sstevel@tonic-gate /* 71587c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 71597c478bd9Sstevel@tonic-gate */ 71607c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 71617c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 7162d216dff5SRobert Mastors seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 71637c478bd9Sstevel@tonic-gate { 71647c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 71657c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 71667c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 71677c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 71687c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 71697c478bd9Sstevel@tonic-gate } 71707c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 71711b300de9Sjwahlig "Replayed SEQID %d\n", seqid)); 71727c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 71737c478bd9Sstevel@tonic-gate } 71747c478bd9Sstevel@tonic-gate 71757c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 71767c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 71777c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 71787c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 71791b300de9Sjwahlig (CE_NOTE, "BAD SEQID: Replayed sequence id " 71801b300de9Sjwahlig "but last op was %d current op is %d\n", 71811b300de9Sjwahlig lastop->resop, resop->resop)); 71827c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 71837c478bd9Sstevel@tonic-gate } 71847c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 71851b300de9Sjwahlig (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 71861b300de9Sjwahlig rqst_seq, seqid)); 71877c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 71887c478bd9Sstevel@tonic-gate } 71897c478bd9Sstevel@tonic-gate 71907c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 71917c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 71927c478bd9Sstevel@tonic-gate } 71937c478bd9Sstevel@tonic-gate 71947c478bd9Sstevel@tonic-gate 71957c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 71967c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 71977c478bd9Sstevel@tonic-gate { 71987c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 71997c478bd9Sstevel@tonic-gate 7200d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7201d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, seqid, resop, 7202d216dff5SRobert Mastors TRUE); 7203d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72047c478bd9Sstevel@tonic-gate 72057c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 7206d216dff5SRobert Mastors rfs4_update_lease(op->ro_client); 72077c478bd9Sstevel@tonic-gate 72087c478bd9Sstevel@tonic-gate return (rc); 72097c478bd9Sstevel@tonic-gate } 72107c478bd9Sstevel@tonic-gate 72117c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7212d216dff5SRobert Mastors rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72137c478bd9Sstevel@tonic-gate { 72147c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72157c478bd9Sstevel@tonic-gate 7216d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7217d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, 72181b300de9Sjwahlig olo_seqid, resop, FALSE); 7219d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72207c478bd9Sstevel@tonic-gate 72217c478bd9Sstevel@tonic-gate return (rc); 72227c478bd9Sstevel@tonic-gate } 72237c478bd9Sstevel@tonic-gate 72247c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7225d216dff5SRobert Mastors rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lsp, nfs_resop4 *resop) 72267c478bd9Sstevel@tonic-gate { 72277c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 72287c478bd9Sstevel@tonic-gate 7229d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 7230d216dff5SRobert Mastors if (!lsp->rls_skip_seqid_check) 7231d216dff5SRobert Mastors rc = rfs4_check_seqid(lsp->rls_seqid, &lsp->rls_reply, seqid, 7232d216dff5SRobert Mastors resop, TRUE); 7233d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 72347c478bd9Sstevel@tonic-gate 72357c478bd9Sstevel@tonic-gate return (rc); 72367c478bd9Sstevel@tonic-gate } 72377c478bd9Sstevel@tonic-gate 72387c478bd9Sstevel@tonic-gate static void 72397c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 7240d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 72417c478bd9Sstevel@tonic-gate { 72427c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 72437c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 72447c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 72457c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 72467c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 72477c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 72487c478bd9Sstevel@tonic-gate bool_t create; 72497c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 72507c478bd9Sstevel@tonic-gate int can_reclaim; 72517c478bd9Sstevel@tonic-gate 7252f3b585ceSsamf DTRACE_NFSV4_2(op__open__start, struct compound_state *, cs, 7253f3b585ceSsamf OPEN4args *, args); 72547c478bd9Sstevel@tonic-gate 72557c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 72567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7257f3b585ceSsamf goto end; 72587c478bd9Sstevel@tonic-gate } 72597c478bd9Sstevel@tonic-gate 72607c478bd9Sstevel@tonic-gate /* 72617c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 72627c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 72637c478bd9Sstevel@tonic-gate */ 72647c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 72657c478bd9Sstevel@tonic-gate if (cp == NULL) { 72667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 72671b300de9Sjwahlig rfs4_check_clientid(&owner->clientid, 0); 7268f3b585ceSsamf goto end; 72697c478bd9Sstevel@tonic-gate } 72707c478bd9Sstevel@tonic-gate 72717c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 72727c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 72737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 7274f3b585ceSsamf goto end; 72757c478bd9Sstevel@tonic-gate } 7276d216dff5SRobert Mastors can_reclaim = cp->rc_can_reclaim; 72777c478bd9Sstevel@tonic-gate 72787c478bd9Sstevel@tonic-gate /* 72797c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 72807c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 72817c478bd9Sstevel@tonic-gate * being returned. 72827c478bd9Sstevel@tonic-gate */ 72837c478bd9Sstevel@tonic-gate retry: 72847c478bd9Sstevel@tonic-gate create = TRUE; 72857c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 72867c478bd9Sstevel@tonic-gate if (oo == NULL) { 72877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 72887c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7289f3b585ceSsamf goto end; 72907c478bd9Sstevel@tonic-gate } 72917c478bd9Sstevel@tonic-gate 72927c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 7293d216dff5SRobert Mastors rfs4_sw_enter(&oo->ro_sw); 72947c478bd9Sstevel@tonic-gate 72957c478bd9Sstevel@tonic-gate /* 72967c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 72977c478bd9Sstevel@tonic-gate * the sequence id. 72987c478bd9Sstevel@tonic-gate */ 7299d216dff5SRobert Mastors if (!create && !oo->ro_postpone_confirm) { 73007c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 73017c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 7302d216dff5SRobert Mastors if ((args->seqid > oo->ro_open_seqid) && 7303d216dff5SRobert Mastors oo->ro_need_confirm) { 73047c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7305d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73067c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73077c478bd9Sstevel@tonic-gate goto retry; 73087c478bd9Sstevel@tonic-gate } 73097c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 73107c478bd9Sstevel@tonic-gate goto out; 73117c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 73127c478bd9Sstevel@tonic-gate replay = TRUE; 73137c478bd9Sstevel@tonic-gate goto out; 73147c478bd9Sstevel@tonic-gate default: 73157c478bd9Sstevel@tonic-gate break; 73167c478bd9Sstevel@tonic-gate } 73177c478bd9Sstevel@tonic-gate 73187c478bd9Sstevel@tonic-gate /* 73197c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 73207c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 73217c478bd9Sstevel@tonic-gate * open_confirm. 73227c478bd9Sstevel@tonic-gate */ 7323d216dff5SRobert Mastors if (oo->ro_need_confirm) { 73247c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7325d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73267c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73277c478bd9Sstevel@tonic-gate goto retry; 73287c478bd9Sstevel@tonic-gate } 73297c478bd9Sstevel@tonic-gate } 73307c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 73317c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 73327c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 73337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 73347c478bd9Sstevel@tonic-gate goto out; 73357c478bd9Sstevel@tonic-gate } 73367c478bd9Sstevel@tonic-gate 73377c478bd9Sstevel@tonic-gate /* 73387c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 73397c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 73407c478bd9Sstevel@tonic-gate * client. 73417c478bd9Sstevel@tonic-gate */ 73427c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 73437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 73447c478bd9Sstevel@tonic-gate goto out; 73457c478bd9Sstevel@tonic-gate } 73467c478bd9Sstevel@tonic-gate 73477c478bd9Sstevel@tonic-gate 73487c478bd9Sstevel@tonic-gate /* 73497c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 73507c478bd9Sstevel@tonic-gate */ 73517c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 73527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 73537c478bd9Sstevel@tonic-gate goto out; 73547c478bd9Sstevel@tonic-gate } 73557c478bd9Sstevel@tonic-gate 73567c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 7357d216dff5SRobert Mastors if (oo->ro_need_confirm) { 73587c478bd9Sstevel@tonic-gate /* 73597c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 73607c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 73617c478bd9Sstevel@tonic-gate * protocol specification. 73627c478bd9Sstevel@tonic-gate */ 73637c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 7364d216dff5SRobert Mastors oo->ro_need_confirm = FALSE; 73657c478bd9Sstevel@tonic-gate else 73667c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 73677c478bd9Sstevel@tonic-gate } 73687c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 73697c478bd9Sstevel@tonic-gate 73707c478bd9Sstevel@tonic-gate /* 73717c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 73727c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 73737c478bd9Sstevel@tonic-gate */ 73747c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 73757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 73767c478bd9Sstevel@tonic-gate goto out; 73777c478bd9Sstevel@tonic-gate } 73787c478bd9Sstevel@tonic-gate 73797c478bd9Sstevel@tonic-gate /* 73807c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 73817c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 73827c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 73837c478bd9Sstevel@tonic-gate */ 73847c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 73857c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 73867c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 73877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 73887c478bd9Sstevel@tonic-gate goto out; 73897c478bd9Sstevel@tonic-gate } 73907c478bd9Sstevel@tonic-gate 73917c478bd9Sstevel@tonic-gate 73927c478bd9Sstevel@tonic-gate /* 73937c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 73947c478bd9Sstevel@tonic-gate */ 73957c478bd9Sstevel@tonic-gate resp->attrset = 0; 73967c478bd9Sstevel@tonic-gate 73977c478bd9Sstevel@tonic-gate switch (claim) { 73987c478bd9Sstevel@tonic-gate case CLAIM_NULL: 73997c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 74001b300de9Sjwahlig break; 74017c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 74027c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 74031b300de9Sjwahlig break; 74047c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 74057c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 74061b300de9Sjwahlig break; 74077c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 74087c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 74091b300de9Sjwahlig break; 74107c478bd9Sstevel@tonic-gate default: 74117c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 74127c478bd9Sstevel@tonic-gate break; 74137c478bd9Sstevel@tonic-gate } 74147c478bd9Sstevel@tonic-gate 74157c478bd9Sstevel@tonic-gate out: 74167c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 74177c478bd9Sstevel@tonic-gate 74187c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 74197c478bd9Sstevel@tonic-gate switch (resp->status) { 74207c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 74217c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 74227c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 74237c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 74247c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 74257c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 74267c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 74277c478bd9Sstevel@tonic-gate /* 74287c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 74297c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 74307c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 74317c478bd9Sstevel@tonic-gate * increment. 74327c478bd9Sstevel@tonic-gate */ 74337c478bd9Sstevel@tonic-gate break; 74347c478bd9Sstevel@tonic-gate default: 74357c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 7436d216dff5SRobert Mastors rfs4_update_lease(oo->ro_client); 74377c478bd9Sstevel@tonic-gate 74387c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 74397c478bd9Sstevel@tonic-gate if (!replay) 74407c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 74417c478bd9Sstevel@tonic-gate 74427c478bd9Sstevel@tonic-gate /* 74437c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 74447c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 74457c478bd9Sstevel@tonic-gate * filehandle to copy. 74467c478bd9Sstevel@tonic-gate */ 74477c478bd9Sstevel@tonic-gate if (replay == TRUE && 74487c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 7449d216dff5SRobert Mastors oo->ro_reply_fh.nfs_fh4_val) { 74507c478bd9Sstevel@tonic-gate /* 74517c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 74527c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 74537c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 74547c478bd9Sstevel@tonic-gate * it. 74557c478bd9Sstevel@tonic-gate */ 74567c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 7457d216dff5SRobert Mastors (nfs_fh4_fmt_t *)oo->ro_reply_fh.nfs_fh4_val; 74587c478bd9Sstevel@tonic-gate 74597c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 74601b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 74617c478bd9Sstevel@tonic-gate 74627c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 74637c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 74647c478bd9Sstevel@tonic-gate goto finish; 74657c478bd9Sstevel@tonic-gate } 74667c478bd9Sstevel@tonic-gate 74677c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 74687c478bd9Sstevel@tonic-gate 7469d216dff5SRobert Mastors cs->vp = nfs4_fhtovp(&oo->ro_reply_fh, cs->exi, 74701b300de9Sjwahlig &resp->status); 74717c478bd9Sstevel@tonic-gate 74727c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 74737c478bd9Sstevel@tonic-gate goto finish; 74747c478bd9Sstevel@tonic-gate 7475d216dff5SRobert Mastors nfs_fh4_copy(&oo->ro_reply_fh, &cs->fh); 74767c478bd9Sstevel@tonic-gate } 74777c478bd9Sstevel@tonic-gate 74787c478bd9Sstevel@tonic-gate /* 74797c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 74807c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 74817c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 74827c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 74837c478bd9Sstevel@tonic-gate */ 74847c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 74857c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 74867c478bd9Sstevel@tonic-gate /* 74877c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 74887c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 74897c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 74907c478bd9Sstevel@tonic-gate * that the server has no method of returning a 74917c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 74927c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 74937c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 74947c478bd9Sstevel@tonic-gate * this open_owner. 74957c478bd9Sstevel@tonic-gate */ 7496d216dff5SRobert Mastors if (resp->status != NFS4_OK && oo->ro_need_confirm) 7497d216dff5SRobert Mastors oo->ro_postpone_confirm = TRUE; 74987c478bd9Sstevel@tonic-gate /* 74997c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 75007c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 75017c478bd9Sstevel@tonic-gate * client. 75027c478bd9Sstevel@tonic-gate */ 7503d216dff5SRobert Mastors if (resp->status == NFS4_OK && oo->ro_postpone_confirm) { 7504d216dff5SRobert Mastors oo->ro_postpone_confirm = FALSE; 7505d216dff5SRobert Mastors oo->ro_open_seqid = args->seqid; 75067c478bd9Sstevel@tonic-gate } 75077c478bd9Sstevel@tonic-gate break; 75087c478bd9Sstevel@tonic-gate } 75097c478bd9Sstevel@tonic-gate 75107c478bd9Sstevel@tonic-gate finish: 75117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 75127c478bd9Sstevel@tonic-gate 7513d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 75147c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 7515f3b585ceSsamf 7516f3b585ceSsamf end: 7517f3b585ceSsamf DTRACE_NFSV4_2(op__open__done, struct compound_state *, cs, 7518f3b585ceSsamf OPEN4res *, resp); 75197c478bd9Sstevel@tonic-gate } 75207c478bd9Sstevel@tonic-gate 75217c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75227c478bd9Sstevel@tonic-gate void 75237c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 7524d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 75257c478bd9Sstevel@tonic-gate { 75267c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 75277c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 75287c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75297c478bd9Sstevel@tonic-gate nfsstat4 status; 75307c478bd9Sstevel@tonic-gate 7531f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__start, struct compound_state *, cs, 7532f3b585ceSsamf OPEN_CONFIRM4args *, args); 7533f3b585ceSsamf 75347c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7536f3b585ceSsamf goto out; 75377c478bd9Sstevel@tonic-gate } 75387c478bd9Sstevel@tonic-gate 75397c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 75407c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7542f3b585ceSsamf goto out; 75437c478bd9Sstevel@tonic-gate } 75447c478bd9Sstevel@tonic-gate 75457c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7546d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 75477c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 75487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7549f3b585ceSsamf goto out; 75507c478bd9Sstevel@tonic-gate } 75517c478bd9Sstevel@tonic-gate 75527c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7553d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 75547c478bd9Sstevel@tonic-gate 75557c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 75567c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7557d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 75581b300de9Sjwahlig resop) != 0) { 75597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75607c478bd9Sstevel@tonic-gate break; 75617c478bd9Sstevel@tonic-gate } 75627c478bd9Sstevel@tonic-gate /* 75637c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 75647c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 75657c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 75667c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 75677c478bd9Sstevel@tonic-gate */ 75687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75697c478bd9Sstevel@tonic-gate break; 75707c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 75717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75727c478bd9Sstevel@tonic-gate break; 75737c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 75747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75757c478bd9Sstevel@tonic-gate break; 75767c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 75777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 75787c478bd9Sstevel@tonic-gate break; 75797c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 75807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75817c478bd9Sstevel@tonic-gate break; 75827c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 7583d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7584d216dff5SRobert Mastors resop)) { 75857c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 75867c478bd9Sstevel@tonic-gate /* 75877c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 75887c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 75897c478bd9Sstevel@tonic-gate */ 75907c478bd9Sstevel@tonic-gate /* fall through */ 75917c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 75927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75937c478bd9Sstevel@tonic-gate break; 75947c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 75957c478bd9Sstevel@tonic-gate /* 75967c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 75977c478bd9Sstevel@tonic-gate * resp->status is already set. 75987c478bd9Sstevel@tonic-gate */ 75997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7600d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 76017c478bd9Sstevel@tonic-gate break; 76027c478bd9Sstevel@tonic-gate } 76037c478bd9Sstevel@tonic-gate break; 76047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 7605d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76061b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 76077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76087c478bd9Sstevel@tonic-gate break; 76097c478bd9Sstevel@tonic-gate } 76107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 76117c478bd9Sstevel@tonic-gate 7612d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7613d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 7614d216dff5SRobert Mastors sp->rs_owner->ro_need_confirm = FALSE; 7615d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 7616d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7617d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 76187c478bd9Sstevel@tonic-gate break; 76197c478bd9Sstevel@tonic-gate default: 76207c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 76227c478bd9Sstevel@tonic-gate break; 76237c478bd9Sstevel@tonic-gate } 7624d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 76257c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7626f3b585ceSsamf 7627f3b585ceSsamf out: 7628f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__done, struct compound_state *, cs, 7629f3b585ceSsamf OPEN_CONFIRM4res *, resp); 76307c478bd9Sstevel@tonic-gate } 76317c478bd9Sstevel@tonic-gate 76327c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 76337c478bd9Sstevel@tonic-gate void 76347c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 7635d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 76367c478bd9Sstevel@tonic-gate { 76377c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 76387c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 76397c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 76407c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 76417c478bd9Sstevel@tonic-gate nfsstat4 status; 76427c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 76437c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7644da6c28aaSamw int fflags = 0; 76457c478bd9Sstevel@tonic-gate 7646f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__start, struct compound_state *, cs, 7647f3b585ceSsamf OPEN_DOWNGRADE4args *, args); 7648f3b585ceSsamf 76497c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 76507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7651f3b585ceSsamf goto out; 76527c478bd9Sstevel@tonic-gate } 76537c478bd9Sstevel@tonic-gate 76547c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 76557c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 76567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7657f3b585ceSsamf goto out; 76587c478bd9Sstevel@tonic-gate } 76597c478bd9Sstevel@tonic-gate 76607c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7661d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 76627c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 76637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7664f3b585ceSsamf goto out; 76657c478bd9Sstevel@tonic-gate } 76667c478bd9Sstevel@tonic-gate 76677c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7668d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 76697c478bd9Sstevel@tonic-gate 76707c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 76717c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7672d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76731b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 76747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76757c478bd9Sstevel@tonic-gate goto end; 76767c478bd9Sstevel@tonic-gate } 76777c478bd9Sstevel@tonic-gate break; 76787c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 76797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76807c478bd9Sstevel@tonic-gate goto end; 76817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 76827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76837c478bd9Sstevel@tonic-gate goto end; 76847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 76857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 76867c478bd9Sstevel@tonic-gate goto end; 76877c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 76887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76897c478bd9Sstevel@tonic-gate goto end; 76907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 76917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76927c478bd9Sstevel@tonic-gate goto end; 76937c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 76947c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 7695d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7696d216dff5SRobert Mastors resop)) { 76977c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 76987c478bd9Sstevel@tonic-gate /* 76997c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 77007c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 77017c478bd9Sstevel@tonic-gate */ 77027c478bd9Sstevel@tonic-gate /* fall through */ 77037c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 77047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77057c478bd9Sstevel@tonic-gate goto end; 77067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 77077c478bd9Sstevel@tonic-gate /* 77087c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 77097c478bd9Sstevel@tonic-gate * resp->status is already set. 77107c478bd9Sstevel@tonic-gate */ 77117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7712d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 77137c478bd9Sstevel@tonic-gate goto end; 77147c478bd9Sstevel@tonic-gate } 77157c478bd9Sstevel@tonic-gate break; 77167c478bd9Sstevel@tonic-gate default: 77177c478bd9Sstevel@tonic-gate ASSERT(FALSE); 77187c478bd9Sstevel@tonic-gate break; 77197c478bd9Sstevel@tonic-gate } 77207c478bd9Sstevel@tonic-gate 7721d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 77227c478bd9Sstevel@tonic-gate /* 77237c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 77247c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 77257c478bd9Sstevel@tonic-gate */ 77267c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7727da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 77287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7729d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7730d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 77317c478bd9Sstevel@tonic-gate goto end; 77327c478bd9Sstevel@tonic-gate } 77337c478bd9Sstevel@tonic-gate 77347c478bd9Sstevel@tonic-gate /* 77357c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 77367c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 77377c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 77387c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 77397c478bd9Sstevel@tonic-gate * mode. For example: 774050956b22SJames Wahlig * New mode, access == R and current mode, sp->rs_open_access == RW 774150956b22SJames Wahlig * access & sp->rs_open_access == R == access, so the new access mode 774250956b22SJames Wahlig * is valid. Consider access == RW, sp->rs_open_access = R 774350956b22SJames Wahlig * access & sp->rs_open_access == R != access, so the new access mode 77447c478bd9Sstevel@tonic-gate * is invalid. 77457c478bd9Sstevel@tonic-gate */ 774650956b22SJames Wahlig if ((access & sp->rs_open_access) != access || 774750956b22SJames Wahlig (deny & sp->rs_open_deny) != deny || 77487c478bd9Sstevel@tonic-gate (access & 77497c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 77507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7751d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7752d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 77537c478bd9Sstevel@tonic-gate goto end; 77547c478bd9Sstevel@tonic-gate } 77557c478bd9Sstevel@tonic-gate 77567c478bd9Sstevel@tonic-gate /* 77577c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 77587c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 77597c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 77607c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 77617c478bd9Sstevel@tonic-gate */ 7762d216dff5SRobert Mastors (void) rfs4_unshare(sp); 77637c478bd9Sstevel@tonic-gate 776450956b22SJames Wahlig status = rfs4_share(sp, access, deny); 776550956b22SJames Wahlig if (status != NFS4_OK) { 776650956b22SJames Wahlig *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 776750956b22SJames Wahlig rfs4_update_open_sequence(sp->rs_owner); 776850956b22SJames Wahlig rfs4_dbe_unlock(sp->rs_dbe); 776950956b22SJames Wahlig goto end; 777050956b22SJames Wahlig } 777150956b22SJames Wahlig 7772d216dff5SRobert Mastors fp = sp->rs_finfo; 7773d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 77747c478bd9Sstevel@tonic-gate 77757c478bd9Sstevel@tonic-gate /* 77767c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 77777c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 77787c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 77797c478bd9Sstevel@tonic-gate * on the file. 77807c478bd9Sstevel@tonic-gate */ 778150956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_READ) && 77827c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 7783d216dff5SRobert Mastors fp->rf_deny_read--; 7784d216dff5SRobert Mastors if (fp->rf_deny_read == 0) 7785d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 77867c478bd9Sstevel@tonic-gate } 77877c478bd9Sstevel@tonic-gate 77887c478bd9Sstevel@tonic-gate /* 77897c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 77907c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 77917c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 77927c478bd9Sstevel@tonic-gate * on the file. 77937c478bd9Sstevel@tonic-gate */ 779450956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) && 77957c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 7796d216dff5SRobert Mastors fp->rf_deny_write--; 7797d216dff5SRobert Mastors if (fp->rf_deny_write == 0) 7798d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 77997c478bd9Sstevel@tonic-gate } 78007c478bd9Sstevel@tonic-gate 78017c478bd9Sstevel@tonic-gate /* 78027c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 78037c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 78047c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7805da6c28aaSamw * on the file. set fflags to FREAD for the call to 7806da6c28aaSamw * vn_open_downgrade(). 78077c478bd9Sstevel@tonic-gate */ 780850956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) && 78097c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 7810d216dff5SRobert Mastors fp->rf_access_read--; 7811d216dff5SRobert Mastors if (fp->rf_access_read == 0) 7812d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 7813da6c28aaSamw fflags |= FREAD; 78147c478bd9Sstevel@tonic-gate } 78157c478bd9Sstevel@tonic-gate 78167c478bd9Sstevel@tonic-gate /* 78177c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 78187c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 78197c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7820da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7821da6c28aaSamw * vn_open_downgrade(). 78227c478bd9Sstevel@tonic-gate */ 782350956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) && 78247c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 7825d216dff5SRobert Mastors fp->rf_access_write--; 7826d216dff5SRobert Mastors if (fp->rf_access_write == 0) 7827d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7828da6c28aaSamw fflags |= FWRITE; 78297c478bd9Sstevel@tonic-gate } 78307c478bd9Sstevel@tonic-gate 78317c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 7832d216dff5SRobert Mastors ASSERT(fp->rf_share_access); 78337c478bd9Sstevel@tonic-gate 7834d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 78357c478bd9Sstevel@tonic-gate 783650956b22SJames Wahlig /* now set the new open access and deny modes */ 783750956b22SJames Wahlig sp->rs_open_access = access; 783850956b22SJames Wahlig sp->rs_open_deny = deny; 78397c478bd9Sstevel@tonic-gate 7840da6c28aaSamw /* 7841da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 784250956b22SJames Wahlig * the open. it is possible that the downgrade was only for a deny 7843da6c28aaSamw * mode and we have nothing else to do. 7844da6c28aaSamw */ 7845da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7846da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7847da6c28aaSamw 78487c478bd9Sstevel@tonic-gate /* Update the stateid */ 7849d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7850d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 78517c478bd9Sstevel@tonic-gate 7852d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 78537c478bd9Sstevel@tonic-gate 78547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 78557c478bd9Sstevel@tonic-gate /* Update the lease */ 7856d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 78577c478bd9Sstevel@tonic-gate /* And the sequence */ 7858d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7859d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 78607c478bd9Sstevel@tonic-gate 78617c478bd9Sstevel@tonic-gate end: 7862d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 78637c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7864f3b585ceSsamf out: 7865f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__done, struct compound_state *, cs, 7866f3b585ceSsamf OPEN_DOWNGRADE4res *, resp); 78677c478bd9Sstevel@tonic-gate } 78687c478bd9Sstevel@tonic-gate 78697c478bd9Sstevel@tonic-gate /* 78707c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 78717c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 78727c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 78737c478bd9Sstevel@tonic-gate * SETCLIENTID. 78747c478bd9Sstevel@tonic-gate */ 78757c478bd9Sstevel@tonic-gate void 78767c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 7877d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 78787c478bd9Sstevel@tonic-gate { 78797c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 78807c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 78817c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 7882*2f172c55SRobert Thurlow rfs4_clntip_t *ci; 7883*2f172c55SRobert Thurlow bool_t create; 78847c478bd9Sstevel@tonic-gate char *addr, *netid; 78857c478bd9Sstevel@tonic-gate int len; 78867c478bd9Sstevel@tonic-gate 7887f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__start, struct compound_state *, cs, 7888f3b585ceSsamf SETCLIENTID4args *, args); 78897c478bd9Sstevel@tonic-gate retry: 78907c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 78917c478bd9Sstevel@tonic-gate 7892*2f172c55SRobert Thurlow /* 7893*2f172c55SRobert Thurlow * Save the caller's IP address 7894*2f172c55SRobert Thurlow */ 7895*2f172c55SRobert Thurlow args->client.cl_addr = 7896*2f172c55SRobert Thurlow (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 7897*2f172c55SRobert Thurlow 7898*2f172c55SRobert Thurlow /* 7899*2f172c55SRobert Thurlow * Record if it is a Solaris client that cannot handle referrals. 7900*2f172c55SRobert Thurlow */ 7901*2f172c55SRobert Thurlow if (strstr(args->client.id_val, "Solaris") && 7902*2f172c55SRobert Thurlow !strstr(args->client.id_val, "+referrals")) { 7903*2f172c55SRobert Thurlow /* Add a "yes, it's downrev" record */ 7904*2f172c55SRobert Thurlow create = TRUE; 7905*2f172c55SRobert Thurlow ci = rfs4_find_clntip(args->client.cl_addr, &create); 7906*2f172c55SRobert Thurlow ASSERT(ci != NULL); 7907*2f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 7908*2f172c55SRobert Thurlow } else { 7909*2f172c55SRobert Thurlow /* Remove any previous record */ 7910*2f172c55SRobert Thurlow rfs4_invalidate_clntip(args->client.cl_addr); 7911*2f172c55SRobert Thurlow } 7912*2f172c55SRobert Thurlow 79137c478bd9Sstevel@tonic-gate /* 79147c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 79157c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 79167c478bd9Sstevel@tonic-gate */ 79177c478bd9Sstevel@tonic-gate create = TRUE; 79187c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 79197c478bd9Sstevel@tonic-gate 79207c478bd9Sstevel@tonic-gate /* Should never happen */ 79217c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 79227c478bd9Sstevel@tonic-gate 79237c478bd9Sstevel@tonic-gate if (cp == NULL) { 79247c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 7925f3b585ceSsamf goto out; 79267c478bd9Sstevel@tonic-gate } 79277c478bd9Sstevel@tonic-gate 79287c478bd9Sstevel@tonic-gate /* 79297c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 79307c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 79317c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 79327c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 79337c478bd9Sstevel@tonic-gate */ 79347c478bd9Sstevel@tonic-gate if (create) { 79357c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 7936d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = cp->rc_clientid; 79377c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 7938d216dff5SRobert Mastors cp->rc_confirm_verf; 79397c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 79407c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 79417c478bd9Sstevel@tonic-gate 79427c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7943f3b585ceSsamf goto out; 79447c478bd9Sstevel@tonic-gate } 79457c478bd9Sstevel@tonic-gate 79467c478bd9Sstevel@tonic-gate /* 79477c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 79487c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 79497c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 79507c478bd9Sstevel@tonic-gate */ 79517c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 79527c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 79537c478bd9Sstevel@tonic-gate goto retry; 79547c478bd9Sstevel@tonic-gate } 79557c478bd9Sstevel@tonic-gate 7956d216dff5SRobert Mastors if (cp->rc_need_confirm == TRUE) 79577c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 79587c478bd9Sstevel@tonic-gate else 79597c478bd9Sstevel@tonic-gate cp_confirmed = cp; 79607c478bd9Sstevel@tonic-gate 79617c478bd9Sstevel@tonic-gate cp = NULL; 79627c478bd9Sstevel@tonic-gate 79637c478bd9Sstevel@tonic-gate /* 79647c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 79657c478bd9Sstevel@tonic-gate * unconfimred entry 79667c478bd9Sstevel@tonic-gate */ 79677c478bd9Sstevel@tonic-gate if (cp_confirmed) { 79687c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 7969d216dff5SRobert Mastors if (!creds_ok(cp_confirmed->rc_cr_set, req, cs)) { 79707c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 79717c478bd9Sstevel@tonic-gate /* 79727c478bd9Sstevel@tonic-gate * Some one else has established this client 79737c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 79747c478bd9Sstevel@tonic-gate * the call back address supplied by * the 79757c478bd9Sstevel@tonic-gate * first client. 79767c478bd9Sstevel@tonic-gate */ 79777c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 79787c478bd9Sstevel@tonic-gate 79797c478bd9Sstevel@tonic-gate addr = netid = NULL; 79807c478bd9Sstevel@tonic-gate 7981d216dff5SRobert Mastors cbp = &cp_confirmed->rc_cbinfo; 79827c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 79837c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 79847c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 79857c478bd9Sstevel@tonic-gate 79867c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 79877c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 79887c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 79897c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 79907c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 79917c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 79927c478bd9Sstevel@tonic-gate } 79937c478bd9Sstevel@tonic-gate 79947c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 79957c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 79967c478bd9Sstevel@tonic-gate 79977c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 79987c478bd9Sstevel@tonic-gate } 79997c478bd9Sstevel@tonic-gate 80007c478bd9Sstevel@tonic-gate /* 80017c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 80027c478bd9Sstevel@tonic-gate * be an update of the callback info 80037c478bd9Sstevel@tonic-gate */ 8004d216dff5SRobert Mastors if (cp_confirmed->rc_nfs_client.verifier == 80051b300de9Sjwahlig args->client.verifier) { 80067c478bd9Sstevel@tonic-gate /* Setup callback information */ 80077c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 80081b300de9Sjwahlig args->callback_ident); 80097c478bd9Sstevel@tonic-gate 80107c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 80117c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 80127c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 8013d216dff5SRobert Mastors cp_confirmed->rc_clientid; 80147c478bd9Sstevel@tonic-gate 80157c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 80167c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 80177c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8018d216dff5SRobert Mastors cp_confirmed->rc_confirm_verf; 80197c478bd9Sstevel@tonic-gate 80207c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8021f3b585ceSsamf goto out; 80227c478bd9Sstevel@tonic-gate } 80237c478bd9Sstevel@tonic-gate 80247c478bd9Sstevel@tonic-gate /* 80257c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 80267c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 80277c478bd9Sstevel@tonic-gate * this request. 80287c478bd9Sstevel@tonic-gate */ 80297c478bd9Sstevel@tonic-gate create = FALSE; 80307c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 80311b300de9Sjwahlig cp_confirmed); 80327c478bd9Sstevel@tonic-gate } 80337c478bd9Sstevel@tonic-gate 80347c478bd9Sstevel@tonic-gate /* 80357c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 80367c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 80377c478bd9Sstevel@tonic-gate * client struct. 80387c478bd9Sstevel@tonic-gate */ 80397c478bd9Sstevel@tonic-gate 80407c478bd9Sstevel@tonic-gate /* 80417c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 80427c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 80437c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 80447c478bd9Sstevel@tonic-gate */ 80457c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 8046d216dff5SRobert Mastors rfs4_dbe_lock(cp_unconfirmed->rc_dbe); 8047d216dff5SRobert Mastors if (!cp_unconfirmed->rc_need_confirm) { 8048d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 80497c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 80507c478bd9Sstevel@tonic-gate if (cp_confirmed) 80517c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 80527c478bd9Sstevel@tonic-gate goto retry; 80537c478bd9Sstevel@tonic-gate } 80547c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 8055d216dff5SRobert Mastors rfs4_dbe_invalidate(cp_unconfirmed->rc_dbe); 8056d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 80577c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 80587c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 80597c478bd9Sstevel@tonic-gate } 80607c478bd9Sstevel@tonic-gate 80617c478bd9Sstevel@tonic-gate /* 80627c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 80637c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 80647c478bd9Sstevel@tonic-gate * unconfirmed one. 80657c478bd9Sstevel@tonic-gate */ 80667c478bd9Sstevel@tonic-gate create = TRUE; 80677c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 80687c478bd9Sstevel@tonic-gate 80697c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 80707c478bd9Sstevel@tonic-gate 80717c478bd9Sstevel@tonic-gate if (newcp == NULL) { 80727c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 80737c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8074f3b585ceSsamf goto out; 80757c478bd9Sstevel@tonic-gate } 80767c478bd9Sstevel@tonic-gate 80777c478bd9Sstevel@tonic-gate /* 80787c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 80797c478bd9Sstevel@tonic-gate * process so release and start over with this one 80807c478bd9Sstevel@tonic-gate */ 80817c478bd9Sstevel@tonic-gate if (create != TRUE) { 80827c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 80837c478bd9Sstevel@tonic-gate if (cp_confirmed) 80847c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 80857c478bd9Sstevel@tonic-gate goto retry; 80867c478bd9Sstevel@tonic-gate } 80877c478bd9Sstevel@tonic-gate 80887c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 8089d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = newcp->rc_clientid; 8090d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8091d216dff5SRobert Mastors newcp->rc_confirm_verf; 80927c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 80931b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 80947c478bd9Sstevel@tonic-gate 8095d216dff5SRobert Mastors newcp->rc_cp_confirmed = cp_confirmed; 80967c478bd9Sstevel@tonic-gate 80977c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 8098f3b585ceSsamf 8099f3b585ceSsamf out: 8100f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__done, struct compound_state *, cs, 8101f3b585ceSsamf SETCLIENTID4res *, res); 81027c478bd9Sstevel@tonic-gate } 81037c478bd9Sstevel@tonic-gate 81047c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81057c478bd9Sstevel@tonic-gate void 81067c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 8107d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 81087c478bd9Sstevel@tonic-gate { 81097c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 81101b300de9Sjwahlig &argop->nfs_argop4_u.opsetclientid_confirm; 81117c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 81121b300de9Sjwahlig &resop->nfs_resop4_u.opsetclientid_confirm; 81137c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 81147c478bd9Sstevel@tonic-gate 8115f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__start, 8116f3b585ceSsamf struct compound_state *, cs, 8117f3b585ceSsamf SETCLIENTID_CONFIRM4args *, args); 8118f3b585ceSsamf 81197c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 81207c478bd9Sstevel@tonic-gate 81217c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 81227c478bd9Sstevel@tonic-gate 81237c478bd9Sstevel@tonic-gate if (cp == NULL) { 81247c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 81251b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 1); 8126f3b585ceSsamf goto out; 81277c478bd9Sstevel@tonic-gate } 81287c478bd9Sstevel@tonic-gate 81297c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 81307c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 81317c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8132f3b585ceSsamf goto out; 81337c478bd9Sstevel@tonic-gate } 81347c478bd9Sstevel@tonic-gate 81357c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 8136d216dff5SRobert Mastors if (cp->rc_confirm_verf != args->setclientid_confirm) { 81377c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 81387c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8139f3b585ceSsamf goto out; 81407c478bd9Sstevel@tonic-gate } 81417c478bd9Sstevel@tonic-gate 8142d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 8143d216dff5SRobert Mastors cp->rc_need_confirm = FALSE; 8144d216dff5SRobert Mastors if (cp->rc_cp_confirmed) { 8145d216dff5SRobert Mastors cptoclose = cp->rc_cp_confirmed; 8146d216dff5SRobert Mastors cptoclose->rc_ss_remove = 1; 8147d216dff5SRobert Mastors cp->rc_cp_confirmed = NULL; 81487c478bd9Sstevel@tonic-gate } 81497c478bd9Sstevel@tonic-gate 81507c478bd9Sstevel@tonic-gate /* 8151cee86682Scalum * Update the client's associated server instance, if it's changed 8152cee86682Scalum * since the client was created. 8153cee86682Scalum */ 8154cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 8155cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 8156cee86682Scalum 8157cee86682Scalum /* 8158cee86682Scalum * Record clientid in stable storage. 8159cee86682Scalum * Must be done after server instance has been assigned. 81607c478bd9Sstevel@tonic-gate */ 8161*2f172c55SRobert Thurlow rfs4_ss_clid(cp); 81627c478bd9Sstevel@tonic-gate 8163d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 81647c478bd9Sstevel@tonic-gate 81657c478bd9Sstevel@tonic-gate if (cptoclose) 81667c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 81677c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 81687c478bd9Sstevel@tonic-gate 81697c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 81707c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 81717c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 81727c478bd9Sstevel@tonic-gate 81737c478bd9Sstevel@tonic-gate /* 81747c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 81757c478bd9Sstevel@tonic-gate */ 81767c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 81777c478bd9Sstevel@tonic-gate 81787c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8179f3b585ceSsamf 8180f3b585ceSsamf out: 8181f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__done, 8182f3b585ceSsamf struct compound_state *, cs, 8183f3b585ceSsamf SETCLIENTID_CONFIRM4 *, res); 81847c478bd9Sstevel@tonic-gate } 81857c478bd9Sstevel@tonic-gate 81867c478bd9Sstevel@tonic-gate 81877c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81887c478bd9Sstevel@tonic-gate void 81897c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 8190d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 81917c478bd9Sstevel@tonic-gate { 81927c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 81937c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 81947c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 81957c478bd9Sstevel@tonic-gate nfsstat4 status; 81967c478bd9Sstevel@tonic-gate 8197f3b585ceSsamf DTRACE_NFSV4_2(op__close__start, struct compound_state *, cs, 8198f3b585ceSsamf CLOSE4args *, args); 8199f3b585ceSsamf 82007c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 82017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8202f3b585ceSsamf goto out; 82037c478bd9Sstevel@tonic-gate } 82047c478bd9Sstevel@tonic-gate 82057c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 82067c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 82077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8208f3b585ceSsamf goto out; 82097c478bd9Sstevel@tonic-gate } 82107c478bd9Sstevel@tonic-gate 82117c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8212d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 82137c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 82147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8215f3b585ceSsamf goto out; 82167c478bd9Sstevel@tonic-gate } 82177c478bd9Sstevel@tonic-gate 82187c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8219d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 82207c478bd9Sstevel@tonic-gate 82217c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 82227c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 8223d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 82241b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 82257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 82267c478bd9Sstevel@tonic-gate goto end; 82277c478bd9Sstevel@tonic-gate } 82287c478bd9Sstevel@tonic-gate break; 82297c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 82307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82317c478bd9Sstevel@tonic-gate goto end; 82327c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 82337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82347c478bd9Sstevel@tonic-gate goto end; 82357c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 82367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 82377c478bd9Sstevel@tonic-gate goto end; 82387c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 82397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82407c478bd9Sstevel@tonic-gate goto end; 82417c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 82427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82437c478bd9Sstevel@tonic-gate goto end; 82447c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 82457c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 8246d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 8247d216dff5SRobert Mastors resop)) { 82487c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 82497c478bd9Sstevel@tonic-gate /* 82507c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 82517c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 82527c478bd9Sstevel@tonic-gate */ 82537c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 82547c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 82557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 82567c478bd9Sstevel@tonic-gate goto end; 82577c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 82587c478bd9Sstevel@tonic-gate /* 82597c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 82607c478bd9Sstevel@tonic-gate * resp->status is already set. 82617c478bd9Sstevel@tonic-gate */ 82627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 8263d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 82647c478bd9Sstevel@tonic-gate goto end; 82657c478bd9Sstevel@tonic-gate } 82667c478bd9Sstevel@tonic-gate break; 82677c478bd9Sstevel@tonic-gate default: 82687c478bd9Sstevel@tonic-gate ASSERT(FALSE); 82697c478bd9Sstevel@tonic-gate break; 82707c478bd9Sstevel@tonic-gate } 82717c478bd9Sstevel@tonic-gate 8272d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 82737c478bd9Sstevel@tonic-gate 82747c478bd9Sstevel@tonic-gate /* Update the stateid. */ 8275d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 8276d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 82777c478bd9Sstevel@tonic-gate 8278d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 82797c478bd9Sstevel@tonic-gate 8280d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 8281d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 8282d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 82837c478bd9Sstevel@tonic-gate 82847c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 82857c478bd9Sstevel@tonic-gate 82867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 82877c478bd9Sstevel@tonic-gate 82887c478bd9Sstevel@tonic-gate end: 8289d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 82907c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 8291f3b585ceSsamf out: 8292f3b585ceSsamf DTRACE_NFSV4_2(op__close__done, struct compound_state *, cs, 8293f3b585ceSsamf CLOSE4res *, resp); 82947c478bd9Sstevel@tonic-gate } 82957c478bd9Sstevel@tonic-gate 82967c478bd9Sstevel@tonic-gate /* 82977c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 82987c478bd9Sstevel@tonic-gate */ 82997c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 83007c478bd9Sstevel@tonic-gate void 83017c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 8302d216dff5SRobert Mastors bool_t close_of_client) 83037c478bd9Sstevel@tonic-gate { 8304d216dff5SRobert Mastors rfs4_file_t *fp = sp->rs_finfo; 83057c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 8306d216dff5SRobert Mastors int fflags = 0; 83077c478bd9Sstevel@tonic-gate 83087c478bd9Sstevel@tonic-gate /* 83097c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 83107c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 83117c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 83127c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 83137c478bd9Sstevel@tonic-gate */ 83147c478bd9Sstevel@tonic-gate if (close_of_client) { 8315d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_unlksys_completed == FALSE && 8316d216dff5SRobert Mastors !list_is_empty(&sp->rs_lostatelist) && 8317d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) { 83187c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 83197c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 83207c478bd9Sstevel@tonic-gate int new_sysid; 83217c478bd9Sstevel@tonic-gate 83227c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 8323d216dff5SRobert Mastors new_sysid = sp->rs_owner->ro_client->rc_sysidt; 83247c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 83257c478bd9Sstevel@tonic-gate 83267c478bd9Sstevel@tonic-gate /* 83277c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 83287c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 83297c478bd9Sstevel@tonic-gate */ 83307c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 83317c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 83327c478bd9Sstevel@tonic-gate new_sysid)); 83337c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 83347c478bd9Sstevel@tonic-gate } else { 83357c478bd9Sstevel@tonic-gate struct flock64 flk; 83367c478bd9Sstevel@tonic-gate 83377c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 83387c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 83397c478bd9Sstevel@tonic-gate flk.l_whence = 0; 83407c478bd9Sstevel@tonic-gate flk.l_start = 0; 83417c478bd9Sstevel@tonic-gate flk.l_len = 0; 8342d216dff5SRobert Mastors flk.l_sysid = 8343d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt; 83447c478bd9Sstevel@tonic-gate flk.l_pid = 0; 8345d216dff5SRobert Mastors (void) VOP_FRLOCK(sp->rs_finfo->rf_vp, F_SETLK, 8346d216dff5SRobert Mastors &flk, F_REMOTELOCK | FREAD | FWRITE, 8347da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 83487c478bd9Sstevel@tonic-gate } 83497c478bd9Sstevel@tonic-gate 8350d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_unlksys_completed = TRUE; 83517c478bd9Sstevel@tonic-gate } 83527c478bd9Sstevel@tonic-gate } 83537c478bd9Sstevel@tonic-gate 83547c478bd9Sstevel@tonic-gate /* 83557c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 83567c478bd9Sstevel@tonic-gate * least mark the locks as having been released 83577c478bd9Sstevel@tonic-gate */ 8358d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); lsp != NULL; 8359d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 8360d216dff5SRobert Mastors lsp->rls_locks_cleaned = TRUE; 83617c478bd9Sstevel@tonic-gate 83627c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 83637c478bd9Sstevel@tonic-gate if (!close_of_client && 8364d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8365d216dff5SRobert Mastors (void) cleanlocks(sp->rs_finfo->rf_vp, 8366d216dff5SRobert Mastors lsp->rls_locker->rl_pid, 8367d216dff5SRobert Mastors lsp->rls_locker->rl_client->rc_sysidt); 83687c478bd9Sstevel@tonic-gate } 83697c478bd9Sstevel@tonic-gate 83707c478bd9Sstevel@tonic-gate /* 83717c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 83727c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 83737c478bd9Sstevel@tonic-gate */ 8374d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8375d216dff5SRobert Mastors (void) rfs4_unshare(sp); 8376da6c28aaSamw 837750956b22SJames Wahlig if (sp->rs_open_access) { 837850956b22SJames Wahlig rfs4_dbe_lock(fp->rf_dbe); 837950956b22SJames Wahlig 838014f41b92SRobert Mastors /* 838114f41b92SRobert Mastors * Decrement the count for each access and deny bit that this 838214f41b92SRobert Mastors * state has contributed to the file. 838314f41b92SRobert Mastors * If the file counts go to zero 838414f41b92SRobert Mastors * clear the appropriate bit in the appropriate mask. 838514f41b92SRobert Mastors */ 838650956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) { 838714f41b92SRobert Mastors fp->rf_access_read--; 838814f41b92SRobert Mastors fflags |= FREAD; 838914f41b92SRobert Mastors if (fp->rf_access_read == 0) 839014f41b92SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 839114f41b92SRobert Mastors } 839250956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) { 839314f41b92SRobert Mastors fp->rf_access_write--; 839414f41b92SRobert Mastors fflags |= FWRITE; 839514f41b92SRobert Mastors if (fp->rf_access_write == 0) 839614f41b92SRobert Mastors fp->rf_share_access &= 839714f41b92SRobert Mastors ~OPEN4_SHARE_ACCESS_WRITE; 839814f41b92SRobert Mastors } 839950956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_READ) { 840014f41b92SRobert Mastors fp->rf_deny_read--; 840114f41b92SRobert Mastors if (fp->rf_deny_read == 0) 840214f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 840314f41b92SRobert Mastors } 840450956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) { 840514f41b92SRobert Mastors fp->rf_deny_write--; 840614f41b92SRobert Mastors if (fp->rf_deny_write == 0) 840714f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 840814f41b92SRobert Mastors } 840914f41b92SRobert Mastors 841014f41b92SRobert Mastors (void) VOP_CLOSE(fp->rf_vp, fflags, 1, (offset_t)0, cr, NULL); 841114f41b92SRobert Mastors 841250956b22SJames Wahlig rfs4_dbe_unlock(fp->rf_dbe); 841350956b22SJames Wahlig 841450956b22SJames Wahlig sp->rs_open_access = 0; 841550956b22SJames Wahlig sp->rs_open_deny = 0; 841614f41b92SRobert Mastors } 84177c478bd9Sstevel@tonic-gate } 84187c478bd9Sstevel@tonic-gate 84197c478bd9Sstevel@tonic-gate /* 84207c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 84217c478bd9Sstevel@tonic-gate */ 84227c478bd9Sstevel@tonic-gate static nfsstat4 84237c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 84247c478bd9Sstevel@tonic-gate { 84257c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 84267c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 84277c478bd9Sstevel@tonic-gate uint32_t len; 84287c478bd9Sstevel@tonic-gate 84297c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 84307c478bd9Sstevel@tonic-gate if (lo != NULL) { 8431d216dff5SRobert Mastors cp = lo->rl_client; 84327c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 84337c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 8434d216dff5SRobert Mastors rfs4_dbe_hold(cp->rc_dbe); 84357c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 84367c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 84377c478bd9Sstevel@tonic-gate } 8438d216dff5SRobert Mastors dp->owner.clientid = lo->rl_owner.clientid; 8439d216dff5SRobert Mastors len = lo->rl_owner.owner_len; 84407c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 8441d216dff5SRobert Mastors bcopy(lo->rl_owner.owner_val, dp->owner.owner_val, len); 84427c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 84437c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 84447c478bd9Sstevel@tonic-gate goto finish; 84457c478bd9Sstevel@tonic-gate } 84467c478bd9Sstevel@tonic-gate 84477c478bd9Sstevel@tonic-gate /* 84487c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 84497c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 84507c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 84517c478bd9Sstevel@tonic-gate * the lock owner to the pid. 84527c478bd9Sstevel@tonic-gate */ 84537c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 84547c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 84557c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 84567c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 84577c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 84587c478bd9Sstevel@tonic-gate finish: 84597c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 84607c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 84617c478bd9Sstevel@tonic-gate 84627c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 84637c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 84647c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 84657c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 84667c478bd9Sstevel@tonic-gate else 84677c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 84687c478bd9Sstevel@tonic-gate 84697c478bd9Sstevel@tonic-gate return (NFS4_OK); 84707c478bd9Sstevel@tonic-gate } 84717c478bd9Sstevel@tonic-gate 84727c478bd9Sstevel@tonic-gate static int 84737c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 84747c478bd9Sstevel@tonic-gate { 84757c478bd9Sstevel@tonic-gate int error; 84767c478bd9Sstevel@tonic-gate struct flock64 flk; 84777c478bd9Sstevel@tonic-gate int i; 84787c478bd9Sstevel@tonic-gate clock_t delaytime; 8479da6c28aaSamw int cmd; 84807c478bd9Sstevel@tonic-gate 8481da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 84827c478bd9Sstevel@tonic-gate retry: 84837c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 84847c478bd9Sstevel@tonic-gate 84857c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 8486da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 8487da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 8488da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 84897c478bd9Sstevel@tonic-gate 84907c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 84917c478bd9Sstevel@tonic-gate break; 84927c478bd9Sstevel@tonic-gate 84937c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 84947c478bd9Sstevel@tonic-gate delay(delaytime); 84957c478bd9Sstevel@tonic-gate delaytime *= 2; 84967c478bd9Sstevel@tonic-gate } 84977c478bd9Sstevel@tonic-gate } 84987c478bd9Sstevel@tonic-gate 84997c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 85007c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 85017c478bd9Sstevel@tonic-gate flk = *flock; 85027c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 8503da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 8504da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 85057c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 85067c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 85077c478bd9Sstevel@tonic-gate goto retry; 85087c478bd9Sstevel@tonic-gate } 85097c478bd9Sstevel@tonic-gate *flock = flk; 85107c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 85111b300de9Sjwahlig F_GETLK, &flk); 85127c478bd9Sstevel@tonic-gate } 85137c478bd9Sstevel@tonic-gate } 85147c478bd9Sstevel@tonic-gate 85157c478bd9Sstevel@tonic-gate return (error); 85167c478bd9Sstevel@tonic-gate } 85177c478bd9Sstevel@tonic-gate 85187c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85197c478bd9Sstevel@tonic-gate static nfsstat4 8520d216dff5SRobert Mastors rfs4_do_lock(rfs4_lo_state_t *lsp, nfs_lock_type4 locktype, 8521d216dff5SRobert Mastors offset4 offset, length4 length, cred_t *cred, nfs_resop4 *resop) 85227c478bd9Sstevel@tonic-gate { 85237c478bd9Sstevel@tonic-gate nfsstat4 status; 8524d216dff5SRobert Mastors rfs4_lockowner_t *lo = lsp->rls_locker; 8525d216dff5SRobert Mastors rfs4_state_t *sp = lsp->rls_state; 85267c478bd9Sstevel@tonic-gate struct flock64 flock; 85277c478bd9Sstevel@tonic-gate int16_t ltype; 85287c478bd9Sstevel@tonic-gate int flag; 85297c478bd9Sstevel@tonic-gate int error; 85307c478bd9Sstevel@tonic-gate sysid_t sysid; 85317c478bd9Sstevel@tonic-gate LOCK4res *lres; 85327c478bd9Sstevel@tonic-gate 8533d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 85347c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 85357c478bd9Sstevel@tonic-gate } 85367c478bd9Sstevel@tonic-gate 8537d216dff5SRobert Mastors if ((status = rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 85387c478bd9Sstevel@tonic-gate return (status); 85397c478bd9Sstevel@tonic-gate 85407c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 85417c478bd9Sstevel@tonic-gate if (length == 0) 85427c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 85437c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 85447c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 85457c478bd9Sstevel@tonic-gate 85467c478bd9Sstevel@tonic-gate retry: 8547d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 8548d216dff5SRobert Mastors if (sp->rs_closed) { 8549d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 8550d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 8551d216dff5SRobert Mastors } 85527c478bd9Sstevel@tonic-gate 85537c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 85547c478bd9Sstevel@tonic-gate switch (locktype) { 85557c478bd9Sstevel@tonic-gate case READ_LT: 85567c478bd9Sstevel@tonic-gate case READW_LT: 8557d216dff5SRobert Mastors if ((sp->rs_share_access 85587c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 8559d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 85607c478bd9Sstevel@tonic-gate 85617c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 85627c478bd9Sstevel@tonic-gate } 85637c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 85647c478bd9Sstevel@tonic-gate break; 85657c478bd9Sstevel@tonic-gate case WRITE_LT: 85667c478bd9Sstevel@tonic-gate case WRITEW_LT: 8567d216dff5SRobert Mastors if ((sp->rs_share_access 85687c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 8569d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 85707c478bd9Sstevel@tonic-gate 85717c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 85727c478bd9Sstevel@tonic-gate } 85737c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 85747c478bd9Sstevel@tonic-gate break; 85757c478bd9Sstevel@tonic-gate } 85767c478bd9Sstevel@tonic-gate } else 85777c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 85787c478bd9Sstevel@tonic-gate 85797c478bd9Sstevel@tonic-gate flock.l_type = ltype; 85807c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 85817c478bd9Sstevel@tonic-gate flock.l_start = offset; 85827c478bd9Sstevel@tonic-gate flock.l_len = length; 85837c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 8584d216dff5SRobert Mastors flock.l_pid = lsp->rls_locker->rl_pid; 85857c478bd9Sstevel@tonic-gate 85867c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 85877c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 8588d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 85897c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 85907c478bd9Sstevel@tonic-gate } 85917c478bd9Sstevel@tonic-gate 85927c478bd9Sstevel@tonic-gate /* 85937c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 85947c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 85957c478bd9Sstevel@tonic-gate */ 8596d216dff5SRobert Mastors flag = (int)sp->rs_share_access | F_REMOTELOCK; 85977c478bd9Sstevel@tonic-gate 8598d216dff5SRobert Mastors error = setlock(sp->rs_finfo->rf_vp, &flock, flag, cred); 85997c478bd9Sstevel@tonic-gate if (error == 0) { 8600d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 8601d216dff5SRobert Mastors next_stateid(&lsp->rls_lockid); 8602d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 86037c478bd9Sstevel@tonic-gate } 86047c478bd9Sstevel@tonic-gate 8605d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86067c478bd9Sstevel@tonic-gate 86077c478bd9Sstevel@tonic-gate /* 86087c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 86097c478bd9Sstevel@tonic-gate * than puterrno4 routine. 86107c478bd9Sstevel@tonic-gate */ 86117c478bd9Sstevel@tonic-gate switch (error) { 86127c478bd9Sstevel@tonic-gate case 0: 86137c478bd9Sstevel@tonic-gate status = NFS4_OK; 86147c478bd9Sstevel@tonic-gate break; 86157c478bd9Sstevel@tonic-gate case EAGAIN: 86167c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 86177c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 86187c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 86197c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 86207c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 86217c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 86221b300de9Sjwahlig == NFS4ERR_EXPIRED) 86237c478bd9Sstevel@tonic-gate goto retry; 86247c478bd9Sstevel@tonic-gate break; 86257c478bd9Sstevel@tonic-gate case ENOLCK: 86267c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 86277c478bd9Sstevel@tonic-gate break; 86287c478bd9Sstevel@tonic-gate case EOVERFLOW: 86297c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 86307c478bd9Sstevel@tonic-gate break; 86317c478bd9Sstevel@tonic-gate case EINVAL: 86327c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 86337c478bd9Sstevel@tonic-gate break; 86347c478bd9Sstevel@tonic-gate default: 86357c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 86367c478bd9Sstevel@tonic-gate break; 86377c478bd9Sstevel@tonic-gate } 86387c478bd9Sstevel@tonic-gate 86397c478bd9Sstevel@tonic-gate return (status); 86407c478bd9Sstevel@tonic-gate } 86417c478bd9Sstevel@tonic-gate 86427c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 86437c478bd9Sstevel@tonic-gate void 86447c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 8645d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 86467c478bd9Sstevel@tonic-gate { 86477c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 86487c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 86497c478bd9Sstevel@tonic-gate nfsstat4 status; 86507c478bd9Sstevel@tonic-gate stateid4 *stateid; 86517c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 86527c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 86537c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 86547c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 86557c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 86567c478bd9Sstevel@tonic-gate bool_t create = TRUE; 86577c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 86587c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 86597c478bd9Sstevel@tonic-gate int rc; 86607c478bd9Sstevel@tonic-gate 8661f3b585ceSsamf DTRACE_NFSV4_2(op__lock__start, struct compound_state *, cs, 8662f3b585ceSsamf LOCK4args *, args); 8663f3b585ceSsamf 86647c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 86657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8666f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8667f3b585ceSsamf cs, LOCK4res *, resp); 86687c478bd9Sstevel@tonic-gate return; 86697c478bd9Sstevel@tonic-gate } 86707c478bd9Sstevel@tonic-gate 86717c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 86727c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 86737c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 86747c478bd9Sstevel@tonic-gate 86757c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 86767c478bd9Sstevel@tonic-gate 86777c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 86787c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 86797c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 86807c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86811b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 86827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8683f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8684f3b585ceSsamf cs, LOCK4res *, resp); 86857c478bd9Sstevel@tonic-gate return; 86867c478bd9Sstevel@tonic-gate } 86877c478bd9Sstevel@tonic-gate 86887c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8689d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 86907c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 86917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8692f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8693f3b585ceSsamf cs, LOCK4res *, resp); 86947c478bd9Sstevel@tonic-gate return; 86957c478bd9Sstevel@tonic-gate } 86967c478bd9Sstevel@tonic-gate 86977c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8698d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 86997c478bd9Sstevel@tonic-gate 87007c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 87017c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 87027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87037c478bd9Sstevel@tonic-gate goto end; 87047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 87057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87067c478bd9Sstevel@tonic-gate goto end; 87077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 87087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 87097c478bd9Sstevel@tonic-gate goto end; 87107c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 87117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87127c478bd9Sstevel@tonic-gate goto end; 87137c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 87147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87157c478bd9Sstevel@tonic-gate goto end; 87167c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 87177c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 87187c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 8719d216dff5SRobert Mastors sp->rs_owner, resop)) { 87207c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 87217c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 87227c478bd9Sstevel@tonic-gate break; 87237c478bd9Sstevel@tonic-gate /* 87247c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 87257c478bd9Sstevel@tonic-gate * matches next expected, then client 87267c478bd9Sstevel@tonic-gate * is using wrong seqid. 87277c478bd9Sstevel@tonic-gate */ 87287c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 87297c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 87301b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 87317c478bd9Sstevel@tonic-gate goto end; 87327c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 87337c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 87347c478bd9Sstevel@tonic-gate dup_lock = TRUE; 87357c478bd9Sstevel@tonic-gate 87367c478bd9Sstevel@tonic-gate /* 87377c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 87387c478bd9Sstevel@tonic-gate * create a new lockowner as it should 87397c478bd9Sstevel@tonic-gate * already exist. 87407c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 87417c478bd9Sstevel@tonic-gate */ 87427c478bd9Sstevel@tonic-gate lcreate = FALSE; 87437c478bd9Sstevel@tonic-gate } 87447c478bd9Sstevel@tonic-gate break; 87457c478bd9Sstevel@tonic-gate } 87467c478bd9Sstevel@tonic-gate 87477c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 87487c478bd9Sstevel@tonic-gate if (lo == NULL) { 87497c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87501b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no lock owner")); 87517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 87527c478bd9Sstevel@tonic-gate goto end; 87537c478bd9Sstevel@tonic-gate } 87547c478bd9Sstevel@tonic-gate 87557c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 87567c478bd9Sstevel@tonic-gate if (lsp == NULL) { 8757d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 87587c478bd9Sstevel@tonic-gate /* 87597c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 87607c478bd9Sstevel@tonic-gate * a duplicate request 87617c478bd9Sstevel@tonic-gate */ 87627c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8763d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 87647c478bd9Sstevel@tonic-gate } 87657c478bd9Sstevel@tonic-gate 87667c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87671b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no state")); 87687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 8769d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 87707c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 87717c478bd9Sstevel@tonic-gate goto end; 87727c478bd9Sstevel@tonic-gate } 87737c478bd9Sstevel@tonic-gate 87747c478bd9Sstevel@tonic-gate /* 87757c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 87767c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 87777c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 87787c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 87797c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 87807c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 87817c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 87827c478bd9Sstevel@tonic-gate * existing lock_owner branch. 87837c478bd9Sstevel@tonic-gate */ 87847c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 8785d216dff5SRobert Mastors if (lsp->rls_lock_completed == TRUE) { 87867c478bd9Sstevel@tonic-gate *cs->statusp = 87871b300de9Sjwahlig resp->status = NFS4ERR_BAD_SEQID; 87887c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 87897c478bd9Sstevel@tonic-gate goto end; 87907c478bd9Sstevel@tonic-gate } 87917c478bd9Sstevel@tonic-gate } 87927c478bd9Sstevel@tonic-gate 8793d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 87947c478bd9Sstevel@tonic-gate 87957c478bd9Sstevel@tonic-gate /* 87967c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 87977c478bd9Sstevel@tonic-gate * a duplicate request 87987c478bd9Sstevel@tonic-gate */ 87997c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8800d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88017c478bd9Sstevel@tonic-gate } 88027c478bd9Sstevel@tonic-gate 88037c478bd9Sstevel@tonic-gate /* 88047c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 88057c478bd9Sstevel@tonic-gate * previously saved reply and return. 88067c478bd9Sstevel@tonic-gate */ 88077c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 88087c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 8809d216dff5SRobert Mastors if (lsp->rls_seqid != olo->lock_seqid) { 88107c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88111b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 88121b300de9Sjwahlig "lsp->seqid=%d old->seqid=%d", 8813d216dff5SRobert Mastors lsp->rls_seqid, olo->lock_seqid)); 88147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88157c478bd9Sstevel@tonic-gate } else { 8816d216dff5SRobert Mastors rfs4_copy_reply(resop, &lsp->rls_reply); 88177c478bd9Sstevel@tonic-gate /* 88187c478bd9Sstevel@tonic-gate * Make sure to copy the just 88197c478bd9Sstevel@tonic-gate * retrieved reply status into the 88207c478bd9Sstevel@tonic-gate * overall compound status 88217c478bd9Sstevel@tonic-gate */ 88227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 88237c478bd9Sstevel@tonic-gate } 88247c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88257c478bd9Sstevel@tonic-gate goto end; 88267c478bd9Sstevel@tonic-gate } 88277c478bd9Sstevel@tonic-gate 8828d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 88297c478bd9Sstevel@tonic-gate 88307c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 8831d216dff5SRobert Mastors lsp->rls_seqid = olo->lock_seqid; 88327c478bd9Sstevel@tonic-gate 88337c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 8834d216dff5SRobert Mastors (CE_NOTE, "Lock seqid established as %d", lsp->rls_seqid)); 88357c478bd9Sstevel@tonic-gate 88367c478bd9Sstevel@tonic-gate /* 88377c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 88387c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 88397c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 88407c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 88417c478bd9Sstevel@tonic-gate */ 8842d216dff5SRobert Mastors lsp->rls_skip_seqid_check = TRUE; 88437c478bd9Sstevel@tonic-gate 88447c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8845d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 88467c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 88477c478bd9Sstevel@tonic-gate 8848d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 88497c478bd9Sstevel@tonic-gate 88507c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88517c478bd9Sstevel@tonic-gate } else { 88527c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 88537c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 88547c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 88557c478bd9Sstevel@tonic-gate != NFS4_OK) { 88567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8857f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8858f3b585ceSsamf cs, LOCK4res *, resp); 88597c478bd9Sstevel@tonic-gate return; 88607c478bd9Sstevel@tonic-gate } 88617c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 88627c478bd9Sstevel@tonic-gate 88637c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8864d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 88657c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 88667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8867f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8868f3b585ceSsamf cs, LOCK4res *, resp); 88697c478bd9Sstevel@tonic-gate return; 88707c478bd9Sstevel@tonic-gate } 88717c478bd9Sstevel@tonic-gate 88727c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8873d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 88747c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 88757c478bd9Sstevel@tonic-gate 88767c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 88777c478bd9Sstevel@tonic-gate /* 88787c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 88797c478bd9Sstevel@tonic-gate * the next one) 88807c478bd9Sstevel@tonic-gate */ 88817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 88827c478bd9Sstevel@tonic-gate /* 88837c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 88847c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 88857c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 88867c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 88877c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 88887c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 88897c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 88907c478bd9Sstevel@tonic-gate * updated. That case is handled below when 88917c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 88927c478bd9Sstevel@tonic-gate * second is the case where an error is 88937c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 88947c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 88957c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 88967c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 88977c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 88987c478bd9Sstevel@tonic-gate * replay but it is okay. 88997c478bd9Sstevel@tonic-gate */ 89007c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 89011b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 89021b300de9Sjwahlig lsp, resop)) { 89037c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 89047c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 89057c478bd9Sstevel@tonic-gate /* 89067c478bd9Sstevel@tonic-gate * Here is our replay and need 89077c478bd9Sstevel@tonic-gate * to verify that the last 89087c478bd9Sstevel@tonic-gate * response was an error. 89097c478bd9Sstevel@tonic-gate */ 89107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 89117c478bd9Sstevel@tonic-gate goto end; 89127c478bd9Sstevel@tonic-gate } 89137c478bd9Sstevel@tonic-gate /* 89147c478bd9Sstevel@tonic-gate * This is done since the sequence id 89157c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 89167c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 89177c478bd9Sstevel@tonic-gate * returned as a result. 89187c478bd9Sstevel@tonic-gate */ 89197c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 89207c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 89211b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89227c478bd9Sstevel@tonic-gate goto end; 89237c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89247c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 89257c478bd9Sstevel@tonic-gate break; 89267c478bd9Sstevel@tonic-gate } 89277c478bd9Sstevel@tonic-gate break; 89287c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 89297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89307c478bd9Sstevel@tonic-gate goto end; 89317c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 89327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 89337c478bd9Sstevel@tonic-gate goto end; 89347c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 89357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 89367c478bd9Sstevel@tonic-gate goto end; 89377c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 89387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89397c478bd9Sstevel@tonic-gate goto end; 89407c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 89417c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 89421b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 89431b300de9Sjwahlig lsp, resop)) { 89447c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89457c478bd9Sstevel@tonic-gate /* 89467c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 89477c478bd9Sstevel@tonic-gate * seqid matches the next expected, 89487c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 89497c478bd9Sstevel@tonic-gate */ 89507c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 89511b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89527c478bd9Sstevel@tonic-gate goto end; 89537c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 8954d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 89557c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 89567c478bd9Sstevel@tonic-gate goto end; 89577c478bd9Sstevel@tonic-gate } 89587c478bd9Sstevel@tonic-gate break; 89597c478bd9Sstevel@tonic-gate default: 89607c478bd9Sstevel@tonic-gate ASSERT(FALSE); 89617c478bd9Sstevel@tonic-gate break; 89627c478bd9Sstevel@tonic-gate } 89637c478bd9Sstevel@tonic-gate 89647c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 8965d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 89667c478bd9Sstevel@tonic-gate } 89677c478bd9Sstevel@tonic-gate 89687c478bd9Sstevel@tonic-gate /* 89697c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 89707c478bd9Sstevel@tonic-gate * verify type of object. 89717c478bd9Sstevel@tonic-gate */ 89727c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 89737c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 89747c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 89757c478bd9Sstevel@tonic-gate else 89767c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 89777c478bd9Sstevel@tonic-gate goto out; 89787c478bd9Sstevel@tonic-gate } 89797c478bd9Sstevel@tonic-gate 8980d216dff5SRobert Mastors cp = lsp->rls_state->rs_owner->ro_client; 89817c478bd9Sstevel@tonic-gate 89827c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 89837c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 89847c478bd9Sstevel@tonic-gate goto out; 89857c478bd9Sstevel@tonic-gate } 89867c478bd9Sstevel@tonic-gate 8987d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->rc_can_reclaim) { 89887c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 89897c478bd9Sstevel@tonic-gate goto out; 89907c478bd9Sstevel@tonic-gate } 89917c478bd9Sstevel@tonic-gate 89927c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 89937c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 89947c478bd9Sstevel@tonic-gate goto out; 89957c478bd9Sstevel@tonic-gate } 89967c478bd9Sstevel@tonic-gate 8997d216dff5SRobert Mastors if (lsp->rls_state->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE) 89987c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 89997c478bd9Sstevel@tonic-gate 90007c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 90011b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 90027c478bd9Sstevel@tonic-gate 90037c478bd9Sstevel@tonic-gate out: 9004d216dff5SRobert Mastors lsp->rls_skip_seqid_check = FALSE; 90057c478bd9Sstevel@tonic-gate 90067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 90077c478bd9Sstevel@tonic-gate 90087c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 9009d216dff5SRobert Mastors resp->LOCK4res_u.lock_stateid = lsp->rls_lockid.stateid; 9010d216dff5SRobert Mastors lsp->rls_lock_completed = TRUE; 90117c478bd9Sstevel@tonic-gate } 90127c478bd9Sstevel@tonic-gate /* 90137c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 90147c478bd9Sstevel@tonic-gate * lock_owner 90157c478bd9Sstevel@tonic-gate */ 90167c478bd9Sstevel@tonic-gate if (sp) 9017d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 90187c478bd9Sstevel@tonic-gate 90197c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 90207c478bd9Sstevel@tonic-gate 90217c478bd9Sstevel@tonic-gate end: 90227c478bd9Sstevel@tonic-gate if (lsp) { 90237c478bd9Sstevel@tonic-gate if (ls_sw_held) 9024d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 90257c478bd9Sstevel@tonic-gate /* 90267c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 90277c478bd9Sstevel@tonic-gate * a lock on the file struct. 90287c478bd9Sstevel@tonic-gate */ 90297c478bd9Sstevel@tonic-gate if (sp != NULL) 90307c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 90317c478bd9Sstevel@tonic-gate else 90327c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 90337c478bd9Sstevel@tonic-gate } 90347c478bd9Sstevel@tonic-gate if (sp) { 9035d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 90367c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 90377c478bd9Sstevel@tonic-gate } 9038f3b585ceSsamf 9039f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, cs, 9040f3b585ceSsamf LOCK4res *, resp); 90417c478bd9Sstevel@tonic-gate } 90427c478bd9Sstevel@tonic-gate 90437c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 90447c478bd9Sstevel@tonic-gate static void 90457c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 90467c478bd9Sstevel@tonic-gate { 90477c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 90487c478bd9Sstevel@tonic-gate 90497c478bd9Sstevel@tonic-gate switch (resop->resop) { 90507c478bd9Sstevel@tonic-gate case OP_LOCK: 90517c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 90527c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 90537c478bd9Sstevel@tonic-gate break; 90547c478bd9Sstevel@tonic-gate case OP_LOCKT: 90557c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 90567c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 90577c478bd9Sstevel@tonic-gate break; 90587c478bd9Sstevel@tonic-gate default: 90597c478bd9Sstevel@tonic-gate break; 90607c478bd9Sstevel@tonic-gate } 90617c478bd9Sstevel@tonic-gate 90627c478bd9Sstevel@tonic-gate if (dp) 90637c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 90647c478bd9Sstevel@tonic-gate } 90657c478bd9Sstevel@tonic-gate 90667c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 90677c478bd9Sstevel@tonic-gate void 90687c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 9069d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 90707c478bd9Sstevel@tonic-gate { 90717c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 90727c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 90737c478bd9Sstevel@tonic-gate nfsstat4 status; 90747c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 90757c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 90767c478bd9Sstevel@tonic-gate 9077f3b585ceSsamf DTRACE_NFSV4_2(op__locku__start, struct compound_state *, cs, 9078f3b585ceSsamf LOCKU4args *, args); 9079f3b585ceSsamf 90807c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 90817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9082f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9083f3b585ceSsamf LOCKU4res *, resp); 90847c478bd9Sstevel@tonic-gate return; 90857c478bd9Sstevel@tonic-gate } 90867c478bd9Sstevel@tonic-gate 90877c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 90887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 9089f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9090f3b585ceSsamf LOCKU4res *, resp); 90917c478bd9Sstevel@tonic-gate return; 90927c478bd9Sstevel@tonic-gate } 90937c478bd9Sstevel@tonic-gate 90947c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 9095d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 90967c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 90977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 9098f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9099f3b585ceSsamf LOCKU4res *, resp); 91007c478bd9Sstevel@tonic-gate return; 91017c478bd9Sstevel@tonic-gate } 91027c478bd9Sstevel@tonic-gate 91037c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 9104d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 91057c478bd9Sstevel@tonic-gate 91067c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 91077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 91087c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 91097c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 91107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91117c478bd9Sstevel@tonic-gate goto end; 91127c478bd9Sstevel@tonic-gate } 91137c478bd9Sstevel@tonic-gate break; 91147c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 91157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91167c478bd9Sstevel@tonic-gate goto end; 91177c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 91187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 91197c478bd9Sstevel@tonic-gate goto end; 91207c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 91217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 91227c478bd9Sstevel@tonic-gate goto end; 91237c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 91247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91257c478bd9Sstevel@tonic-gate goto end; 91267c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 91277c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 91287c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 91297c478bd9Sstevel@tonic-gate /* 91307c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 91317c478bd9Sstevel@tonic-gate * seqid matches the next expected, 91327c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 91337c478bd9Sstevel@tonic-gate */ 91347c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 91351b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91367c478bd9Sstevel@tonic-gate goto end; 91377c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9138d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 91397c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 91407c478bd9Sstevel@tonic-gate goto end; 91417c478bd9Sstevel@tonic-gate } 91427c478bd9Sstevel@tonic-gate break; 91437c478bd9Sstevel@tonic-gate default: 91447c478bd9Sstevel@tonic-gate ASSERT(FALSE); 91457c478bd9Sstevel@tonic-gate break; 91467c478bd9Sstevel@tonic-gate } 91477c478bd9Sstevel@tonic-gate 91487c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9149d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 91507c478bd9Sstevel@tonic-gate 91517c478bd9Sstevel@tonic-gate /* 91527c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 91537c478bd9Sstevel@tonic-gate * verify type of object. 91547c478bd9Sstevel@tonic-gate */ 91557c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 91567c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 91577c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 91587c478bd9Sstevel@tonic-gate else 91597c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 91607c478bd9Sstevel@tonic-gate goto out; 91617c478bd9Sstevel@tonic-gate } 91627c478bd9Sstevel@tonic-gate 9163d216dff5SRobert Mastors if (rfs4_clnt_in_grace(lsp->rls_state->rs_owner->ro_client)) { 91647c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 91657c478bd9Sstevel@tonic-gate goto out; 91667c478bd9Sstevel@tonic-gate } 91677c478bd9Sstevel@tonic-gate 91687c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 9169d216dff5SRobert Mastors args->offset, args->length, cs->cr, resop); 91707c478bd9Sstevel@tonic-gate 91717c478bd9Sstevel@tonic-gate out: 91727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 91737c478bd9Sstevel@tonic-gate 91747c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 9175d216dff5SRobert Mastors resp->lock_stateid = lsp->rls_lockid.stateid; 91767c478bd9Sstevel@tonic-gate 91777c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 91787c478bd9Sstevel@tonic-gate 91797c478bd9Sstevel@tonic-gate end: 9180d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 91817c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 9182f3b585ceSsamf 9183f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9184f3b585ceSsamf LOCKU4res *, resp); 91857c478bd9Sstevel@tonic-gate } 91867c478bd9Sstevel@tonic-gate 91877c478bd9Sstevel@tonic-gate /* 91887c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 91897c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 91907c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 91917c478bd9Sstevel@tonic-gate * and can not be accurate. 91927c478bd9Sstevel@tonic-gate */ 91937c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 91947c478bd9Sstevel@tonic-gate void 91957c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 9196d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 91977c478bd9Sstevel@tonic-gate { 91987c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 91997c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 92007c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 92017c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 92027c478bd9Sstevel@tonic-gate bool_t create = FALSE; 92037c478bd9Sstevel@tonic-gate struct flock64 flk; 92047c478bd9Sstevel@tonic-gate int error; 92057c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 92067c478bd9Sstevel@tonic-gate int ltype; 92077c478bd9Sstevel@tonic-gate length4 posix_length; 92087c478bd9Sstevel@tonic-gate sysid_t sysid; 92097c478bd9Sstevel@tonic-gate pid_t pid; 92107c478bd9Sstevel@tonic-gate 9211f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__start, struct compound_state *, cs, 9212f3b585ceSsamf LOCKT4args *, args); 9213f3b585ceSsamf 92147c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 92157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9216f3b585ceSsamf goto out; 92177c478bd9Sstevel@tonic-gate } 92187c478bd9Sstevel@tonic-gate 92197c478bd9Sstevel@tonic-gate /* 92207c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92217c478bd9Sstevel@tonic-gate * verify type of object. 92227c478bd9Sstevel@tonic-gate */ 92237c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92247c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 92267c478bd9Sstevel@tonic-gate else 92277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9228f3b585ceSsamf goto out; 92297c478bd9Sstevel@tonic-gate } 92307c478bd9Sstevel@tonic-gate 92317c478bd9Sstevel@tonic-gate /* 92327c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 92337c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 92347c478bd9Sstevel@tonic-gate */ 92357c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 92367c478bd9Sstevel@tonic-gate == NULL) { 92377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 92381b300de9Sjwahlig rfs4_check_clientid(&args->owner.clientid, 0); 9239f3b585ceSsamf goto out; 92407c478bd9Sstevel@tonic-gate } 92417c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 92427c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 92437c478bd9Sstevel@tonic-gate /* 92447c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 92457c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 92467c478bd9Sstevel@tonic-gate * is returned instead 92477c478bd9Sstevel@tonic-gate */ 92487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 9249f3b585ceSsamf goto out; 92507c478bd9Sstevel@tonic-gate } 92517c478bd9Sstevel@tonic-gate 9252d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && !(cp->rc_can_reclaim)) { 92537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 9254661cedadSvv rfs4_client_rele(cp); 9255f3b585ceSsamf goto out; 92567c478bd9Sstevel@tonic-gate } 92577c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 92587c478bd9Sstevel@tonic-gate 92597c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 92607c478bd9Sstevel@tonic-gate 92617c478bd9Sstevel@tonic-gate switch (args->locktype) { 92627c478bd9Sstevel@tonic-gate case READ_LT: 92637c478bd9Sstevel@tonic-gate case READW_LT: 92647c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 92657c478bd9Sstevel@tonic-gate break; 92667c478bd9Sstevel@tonic-gate case WRITE_LT: 92677c478bd9Sstevel@tonic-gate case WRITEW_LT: 92687c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 92697c478bd9Sstevel@tonic-gate break; 92707c478bd9Sstevel@tonic-gate } 92717c478bd9Sstevel@tonic-gate 92727c478bd9Sstevel@tonic-gate posix_length = args->length; 92737c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 92747c478bd9Sstevel@tonic-gate if (posix_length == 0) { 92757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9276f3b585ceSsamf goto out; 92777c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 92787c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 92797c478bd9Sstevel@tonic-gate } 92807c478bd9Sstevel@tonic-gate 92817c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 92827c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 92837c478bd9Sstevel@tonic-gate 92847c478bd9Sstevel@tonic-gate if (lo) { 9285d216dff5SRobert Mastors pid = lo->rl_pid; 92867c478bd9Sstevel@tonic-gate if ((resp->status = 9287d216dff5SRobert Mastors rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 9288f3b585ceSsamf goto err; 92897c478bd9Sstevel@tonic-gate } else { 92907c478bd9Sstevel@tonic-gate pid = 0; 92917c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 92927c478bd9Sstevel@tonic-gate } 92937c478bd9Sstevel@tonic-gate retry: 92947c478bd9Sstevel@tonic-gate flk.l_type = ltype; 92957c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 92967c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 92977c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 92987c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 92997c478bd9Sstevel@tonic-gate flk.l_pid = pid; 93007c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 93017c478bd9Sstevel@tonic-gate 93027c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 93037c478bd9Sstevel@tonic-gate 93047c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 93057c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 93067c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 9307f3b585ceSsamf goto err; 93087c478bd9Sstevel@tonic-gate } 93097c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 9310da6c28aaSamw NULL, cs->cr, NULL); 93117c478bd9Sstevel@tonic-gate 93127c478bd9Sstevel@tonic-gate /* 93137c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 93147c478bd9Sstevel@tonic-gate * than puterrno4 routine. 93157c478bd9Sstevel@tonic-gate */ 93167c478bd9Sstevel@tonic-gate switch (error) { 93177c478bd9Sstevel@tonic-gate case 0: 93187c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 93197c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93207c478bd9Sstevel@tonic-gate else { 93217c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 93227c478bd9Sstevel@tonic-gate goto retry; 93237c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 93247c478bd9Sstevel@tonic-gate } 93257c478bd9Sstevel@tonic-gate break; 93267c478bd9Sstevel@tonic-gate case EOVERFLOW: 93277c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 93287c478bd9Sstevel@tonic-gate break; 93297c478bd9Sstevel@tonic-gate case EINVAL: 93307c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 93317c478bd9Sstevel@tonic-gate break; 93327c478bd9Sstevel@tonic-gate default: 93337c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 93341b300de9Sjwahlig error); 93357c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 93367c478bd9Sstevel@tonic-gate break; 93377c478bd9Sstevel@tonic-gate } 93387c478bd9Sstevel@tonic-gate 9339f3b585ceSsamf err: 93407c478bd9Sstevel@tonic-gate if (lo) 93417c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 93427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 9343f3b585ceSsamf out: 9344f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__done, struct compound_state *, cs, 9345f3b585ceSsamf LOCKT4res *, resp); 93467c478bd9Sstevel@tonic-gate } 93477c478bd9Sstevel@tonic-gate 9348d216dff5SRobert Mastors int 9349d216dff5SRobert Mastors rfs4_share(rfs4_state_t *sp, uint32_t access, uint32_t deny) 93507c478bd9Sstevel@tonic-gate { 93517c478bd9Sstevel@tonic-gate int err; 9352d216dff5SRobert Mastors int cmd; 9353d216dff5SRobert Mastors vnode_t *vp; 9354d216dff5SRobert Mastors struct shrlock shr; 9355d216dff5SRobert Mastors struct shr_locowner shr_loco; 9356d216dff5SRobert Mastors int fflags = 0; 93577c478bd9Sstevel@tonic-gate 9358d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9359d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 93607c478bd9Sstevel@tonic-gate 9361d216dff5SRobert Mastors if (sp->rs_closed) 9362d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 93637c478bd9Sstevel@tonic-gate 9364d216dff5SRobert Mastors vp = sp->rs_finfo->rf_vp; 9365d216dff5SRobert Mastors ASSERT(vp); 93667c478bd9Sstevel@tonic-gate 9367d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 93687c478bd9Sstevel@tonic-gate 9369d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_READ) { 93707c478bd9Sstevel@tonic-gate fflags |= FREAD; 93717c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 93727c478bd9Sstevel@tonic-gate } 9373d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_WRITE) { 93747c478bd9Sstevel@tonic-gate fflags |= FWRITE; 93757c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 93767c478bd9Sstevel@tonic-gate } 9377d216dff5SRobert Mastors ASSERT(shr.s_access); 9378d216dff5SRobert Mastors 9379d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_READ) 93807c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 9381d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_WRITE) 93827c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 93837c478bd9Sstevel@tonic-gate 9384d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9385d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 93867c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 93877c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 93887c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 93897c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 93907c478bd9Sstevel@tonic-gate 9391d216dff5SRobert Mastors cmd = nbl_need_check(vp) ? F_SHARE_NBMAND : F_SHARE; 9392d216dff5SRobert Mastors 9393d216dff5SRobert Mastors err = VOP_SHRLOCK(vp, cmd, &shr, fflags, CRED(), NULL); 9394d216dff5SRobert Mastors if (err != 0) { 9395d216dff5SRobert Mastors if (err == EAGAIN) 9396d216dff5SRobert Mastors err = NFS4ERR_SHARE_DENIED; 9397d216dff5SRobert Mastors else 9398d216dff5SRobert Mastors err = puterrno4(err); 9399d216dff5SRobert Mastors return (err); 9400d216dff5SRobert Mastors } 9401d216dff5SRobert Mastors 9402d216dff5SRobert Mastors sp->rs_share_access |= access; 9403d216dff5SRobert Mastors sp->rs_share_deny |= deny; 9404d216dff5SRobert Mastors 9405d216dff5SRobert Mastors return (0); 94067c478bd9Sstevel@tonic-gate } 94077c478bd9Sstevel@tonic-gate 9408d216dff5SRobert Mastors int 94097c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 94107c478bd9Sstevel@tonic-gate { 9411d216dff5SRobert Mastors int err; 9412d216dff5SRobert Mastors struct shrlock shr; 9413d216dff5SRobert Mastors struct shr_locowner shr_loco; 9414d216dff5SRobert Mastors 9415d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9416d216dff5SRobert Mastors 9417d216dff5SRobert Mastors if (sp->rs_closed || sp->rs_share_access == 0) 9418d216dff5SRobert Mastors return (0); 9419d216dff5SRobert Mastors 9420d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 9421d216dff5SRobert Mastors ASSERT(sp->rs_finfo->rf_vp); 9422d216dff5SRobert Mastors 9423d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9424d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9425d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 9426d216dff5SRobert Mastors shr_loco.sl_pid = shr.s_pid; 9427d216dff5SRobert Mastors shr_loco.sl_id = shr.s_sysid; 9428d216dff5SRobert Mastors shr.s_owner = (caddr_t)&shr_loco; 9429d216dff5SRobert Mastors shr.s_own_len = sizeof (shr_loco); 9430d216dff5SRobert Mastors 9431d216dff5SRobert Mastors err = VOP_SHRLOCK(sp->rs_finfo->rf_vp, F_UNSHARE, &shr, 0, CRED(), 9432d216dff5SRobert Mastors NULL); 9433d216dff5SRobert Mastors if (err != 0) { 9434d216dff5SRobert Mastors err = puterrno4(err); 9435d216dff5SRobert Mastors return (err); 9436d216dff5SRobert Mastors } 9437d216dff5SRobert Mastors 9438d216dff5SRobert Mastors sp->rs_share_access = 0; 9439d216dff5SRobert Mastors sp->rs_share_deny = 0; 9440d216dff5SRobert Mastors 9441d216dff5SRobert Mastors return (0); 9442d216dff5SRobert Mastors 94437c478bd9Sstevel@tonic-gate } 94440a701b1eSRobert Gordon 94450a701b1eSRobert Gordon static int 9446f837ee4aSSiddheshwar Mahesh rdma_setup_read_data4(READ4args *args, READ4res *rok) 94470a701b1eSRobert Gordon { 94480a701b1eSRobert Gordon struct clist *wcl; 94490a701b1eSRobert Gordon count4 count = rok->data_len; 9450f837ee4aSSiddheshwar Mahesh int wlist_len; 94510a701b1eSRobert Gordon 94520a701b1eSRobert Gordon wcl = args->wlist; 9453f837ee4aSSiddheshwar Mahesh if (rdma_setup_read_chunks(wcl, count, &wlist_len) == FALSE) { 94540a701b1eSRobert Gordon return (FALSE); 94550a701b1eSRobert Gordon } 94560a701b1eSRobert Gordon wcl = args->wlist; 9457f837ee4aSSiddheshwar Mahesh rok->wlist_len = wlist_len; 94580a701b1eSRobert Gordon rok->wlist = wcl; 94590a701b1eSRobert Gordon return (TRUE); 94600a701b1eSRobert Gordon } 9461*2f172c55SRobert Thurlow 9462*2f172c55SRobert Thurlow /* tunable to disable server referrals */ 9463*2f172c55SRobert Thurlow int rfs4_no_referrals = 0; 9464*2f172c55SRobert Thurlow 9465*2f172c55SRobert Thurlow /* 9466*2f172c55SRobert Thurlow * Find an NFS record in reparse point data. 9467*2f172c55SRobert Thurlow * Returns 0 for success and <0 or an errno value on failure. 9468*2f172c55SRobert Thurlow */ 9469*2f172c55SRobert Thurlow int 9470*2f172c55SRobert Thurlow vn_find_nfs_record(vnode_t *vp, nvlist_t **nvlp, char **svcp, char **datap) 9471*2f172c55SRobert Thurlow { 9472*2f172c55SRobert Thurlow int err; 9473*2f172c55SRobert Thurlow char *stype, *val; 9474*2f172c55SRobert Thurlow nvlist_t *nvl; 9475*2f172c55SRobert Thurlow nvpair_t *curr; 9476*2f172c55SRobert Thurlow 9477*2f172c55SRobert Thurlow if ((nvl = reparse_init()) == NULL) 9478*2f172c55SRobert Thurlow return (-1); 9479*2f172c55SRobert Thurlow 9480*2f172c55SRobert Thurlow if ((err = reparse_vnode_parse(vp, nvl)) != 0) { 9481*2f172c55SRobert Thurlow reparse_free(nvl); 9482*2f172c55SRobert Thurlow return (err); 9483*2f172c55SRobert Thurlow } 9484*2f172c55SRobert Thurlow 9485*2f172c55SRobert Thurlow curr = NULL; 9486*2f172c55SRobert Thurlow while ((curr = nvlist_next_nvpair(nvl, curr)) != NULL) { 9487*2f172c55SRobert Thurlow if ((stype = nvpair_name(curr)) == NULL) { 9488*2f172c55SRobert Thurlow reparse_free(nvl); 9489*2f172c55SRobert Thurlow return (-2); 9490*2f172c55SRobert Thurlow } 9491*2f172c55SRobert Thurlow if (strncasecmp(stype, "NFS", 3) == 0) 9492*2f172c55SRobert Thurlow break; 9493*2f172c55SRobert Thurlow } 9494*2f172c55SRobert Thurlow 9495*2f172c55SRobert Thurlow if ((curr == NULL) || 9496*2f172c55SRobert Thurlow (nvpair_value_string(curr, &val))) { 9497*2f172c55SRobert Thurlow reparse_free(nvl); 9498*2f172c55SRobert Thurlow return (-3); 9499*2f172c55SRobert Thurlow } 9500*2f172c55SRobert Thurlow *nvlp = nvl; 9501*2f172c55SRobert Thurlow *svcp = stype; 9502*2f172c55SRobert Thurlow *datap = val; 9503*2f172c55SRobert Thurlow return (0); 9504*2f172c55SRobert Thurlow } 9505*2f172c55SRobert Thurlow 9506*2f172c55SRobert Thurlow int 9507*2f172c55SRobert Thurlow vn_is_nfs_reparse(vnode_t *vp, cred_t *cr) 9508*2f172c55SRobert Thurlow { 9509*2f172c55SRobert Thurlow nvlist_t *nvl; 9510*2f172c55SRobert Thurlow char *s, *d; 9511*2f172c55SRobert Thurlow 9512*2f172c55SRobert Thurlow if (rfs4_no_referrals != 0) 9513*2f172c55SRobert Thurlow return (B_FALSE); 9514*2f172c55SRobert Thurlow 9515*2f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 9516*2f172c55SRobert Thurlow return (B_FALSE); 9517*2f172c55SRobert Thurlow 9518*2f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &s, &d) != 0) 9519*2f172c55SRobert Thurlow return (B_FALSE); 9520*2f172c55SRobert Thurlow 9521*2f172c55SRobert Thurlow reparse_free(nvl); 9522*2f172c55SRobert Thurlow 9523*2f172c55SRobert Thurlow return (B_TRUE); 9524*2f172c55SRobert Thurlow } 9525*2f172c55SRobert Thurlow 9526*2f172c55SRobert Thurlow /* 9527*2f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 9528*2f172c55SRobert Thurlow * Changes should be kept in sync. 9529*2f172c55SRobert Thurlow */ 9530*2f172c55SRobert Thurlow static int 9531*2f172c55SRobert Thurlow nfs4_create_components(char *path, component4 *comp4) 9532*2f172c55SRobert Thurlow { 9533*2f172c55SRobert Thurlow int slen, plen, ncomp; 9534*2f172c55SRobert Thurlow char *ori_path, *nxtc, buf[MAXNAMELEN]; 9535*2f172c55SRobert Thurlow 9536*2f172c55SRobert Thurlow if (path == NULL) 9537*2f172c55SRobert Thurlow return (0); 9538*2f172c55SRobert Thurlow 9539*2f172c55SRobert Thurlow plen = strlen(path) + 1; /* include the terminator */ 9540*2f172c55SRobert Thurlow ori_path = path; 9541*2f172c55SRobert Thurlow ncomp = 0; 9542*2f172c55SRobert Thurlow 9543*2f172c55SRobert Thurlow /* count number of components in the path */ 9544*2f172c55SRobert Thurlow for (nxtc = path; nxtc < ori_path + plen; nxtc++) { 9545*2f172c55SRobert Thurlow if (*nxtc == '/' || *nxtc == '\0' || *nxtc == '\n') { 9546*2f172c55SRobert Thurlow if ((slen = nxtc - path) == 0) { 9547*2f172c55SRobert Thurlow path = nxtc + 1; 9548*2f172c55SRobert Thurlow continue; 9549*2f172c55SRobert Thurlow } 9550*2f172c55SRobert Thurlow 9551*2f172c55SRobert Thurlow if (comp4 != NULL) { 9552*2f172c55SRobert Thurlow bcopy(path, buf, slen); 9553*2f172c55SRobert Thurlow buf[slen] = '\0'; 9554*2f172c55SRobert Thurlow str_to_utf8(buf, &comp4[ncomp]); 9555*2f172c55SRobert Thurlow } 9556*2f172c55SRobert Thurlow 9557*2f172c55SRobert Thurlow ncomp++; /* 1 valid component */ 9558*2f172c55SRobert Thurlow path = nxtc + 1; 9559*2f172c55SRobert Thurlow } 9560*2f172c55SRobert Thurlow if (*nxtc == '\0' || *nxtc == '\n') 9561*2f172c55SRobert Thurlow break; 9562*2f172c55SRobert Thurlow } 9563*2f172c55SRobert Thurlow 9564*2f172c55SRobert Thurlow return (ncomp); 9565*2f172c55SRobert Thurlow } 9566*2f172c55SRobert Thurlow 9567*2f172c55SRobert Thurlow /* 9568*2f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 9569*2f172c55SRobert Thurlow * Changes should be kept in sync. 9570*2f172c55SRobert Thurlow */ 9571*2f172c55SRobert Thurlow static int 9572*2f172c55SRobert Thurlow make_pathname4(char *path, pathname4 *pathname) 9573*2f172c55SRobert Thurlow { 9574*2f172c55SRobert Thurlow int ncomp; 9575*2f172c55SRobert Thurlow component4 *comp4; 9576*2f172c55SRobert Thurlow 9577*2f172c55SRobert Thurlow if (pathname == NULL) 9578*2f172c55SRobert Thurlow return (0); 9579*2f172c55SRobert Thurlow 9580*2f172c55SRobert Thurlow if (path == NULL) { 9581*2f172c55SRobert Thurlow pathname->pathname4_val = NULL; 9582*2f172c55SRobert Thurlow pathname->pathname4_len = 0; 9583*2f172c55SRobert Thurlow return (0); 9584*2f172c55SRobert Thurlow } 9585*2f172c55SRobert Thurlow 9586*2f172c55SRobert Thurlow /* count number of components to alloc buffer */ 9587*2f172c55SRobert Thurlow if ((ncomp = nfs4_create_components(path, NULL)) == 0) { 9588*2f172c55SRobert Thurlow pathname->pathname4_val = NULL; 9589*2f172c55SRobert Thurlow pathname->pathname4_len = 0; 9590*2f172c55SRobert Thurlow return (0); 9591*2f172c55SRobert Thurlow } 9592*2f172c55SRobert Thurlow comp4 = kmem_zalloc(ncomp * sizeof (component4), KM_SLEEP); 9593*2f172c55SRobert Thurlow 9594*2f172c55SRobert Thurlow /* copy components into allocated buffer */ 9595*2f172c55SRobert Thurlow ncomp = nfs4_create_components(path, comp4); 9596*2f172c55SRobert Thurlow 9597*2f172c55SRobert Thurlow pathname->pathname4_val = comp4; 9598*2f172c55SRobert Thurlow pathname->pathname4_len = ncomp; 9599*2f172c55SRobert Thurlow 9600*2f172c55SRobert Thurlow return (ncomp); 9601*2f172c55SRobert Thurlow } 9602*2f172c55SRobert Thurlow 9603*2f172c55SRobert Thurlow #define xdr_fs_locations4 xdr_fattr4_fs_locations 9604*2f172c55SRobert Thurlow 9605*2f172c55SRobert Thurlow fs_locations4 * 9606*2f172c55SRobert Thurlow fetch_referral(vnode_t *vp, cred_t *cr) 9607*2f172c55SRobert Thurlow { 9608*2f172c55SRobert Thurlow nvlist_t *nvl; 9609*2f172c55SRobert Thurlow char *stype, *sdata; 9610*2f172c55SRobert Thurlow fs_locations4 *result; 9611*2f172c55SRobert Thurlow char buf[1024]; 9612*2f172c55SRobert Thurlow size_t bufsize; 9613*2f172c55SRobert Thurlow XDR xdr; 9614*2f172c55SRobert Thurlow int err; 9615*2f172c55SRobert Thurlow 9616*2f172c55SRobert Thurlow /* 9617*2f172c55SRobert Thurlow * Check attrs to ensure it's a reparse point 9618*2f172c55SRobert Thurlow */ 9619*2f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 9620*2f172c55SRobert Thurlow return (NULL); 9621*2f172c55SRobert Thurlow 9622*2f172c55SRobert Thurlow /* 9623*2f172c55SRobert Thurlow * Look for an NFS record and get the type and data 9624*2f172c55SRobert Thurlow */ 9625*2f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &stype, &sdata) != 0) 9626*2f172c55SRobert Thurlow return (NULL); 9627*2f172c55SRobert Thurlow 9628*2f172c55SRobert Thurlow /* 9629*2f172c55SRobert Thurlow * With the type and data, upcall to get the referral 9630*2f172c55SRobert Thurlow */ 9631*2f172c55SRobert Thurlow bufsize = sizeof (buf); 9632*2f172c55SRobert Thurlow bzero(buf, sizeof (buf)); 9633*2f172c55SRobert Thurlow err = reparse_kderef((const char *)stype, (const char *)sdata, 9634*2f172c55SRobert Thurlow buf, &bufsize); 9635*2f172c55SRobert Thurlow reparse_free(nvl); 9636*2f172c55SRobert Thurlow 9637*2f172c55SRobert Thurlow DTRACE_PROBE4(nfs4serv__func__referral__upcall, 9638*2f172c55SRobert Thurlow char *, stype, char *, sdata, char *, buf, int, err); 9639*2f172c55SRobert Thurlow if (err) { 9640*2f172c55SRobert Thurlow cmn_err(CE_NOTE, 9641*2f172c55SRobert Thurlow "reparsed daemon not running: unable to get referral (%d)", 9642*2f172c55SRobert Thurlow err); 9643*2f172c55SRobert Thurlow return (NULL); 9644*2f172c55SRobert Thurlow } 9645*2f172c55SRobert Thurlow 9646*2f172c55SRobert Thurlow /* 9647*2f172c55SRobert Thurlow * We get an XDR'ed record back from the kderef call 9648*2f172c55SRobert Thurlow */ 9649*2f172c55SRobert Thurlow xdrmem_create(&xdr, buf, bufsize, XDR_DECODE); 9650*2f172c55SRobert Thurlow result = kmem_alloc(sizeof (fs_locations4), KM_SLEEP); 9651*2f172c55SRobert Thurlow err = xdr_fs_locations4(&xdr, result); 9652*2f172c55SRobert Thurlow XDR_DESTROY(&xdr); 9653*2f172c55SRobert Thurlow if (err != TRUE) { 9654*2f172c55SRobert Thurlow DTRACE_PROBE1(nfs4serv__func__referral__upcall__xdrfail, 9655*2f172c55SRobert Thurlow int, err); 9656*2f172c55SRobert Thurlow return (NULL); 9657*2f172c55SRobert Thurlow } 9658*2f172c55SRobert Thurlow 9659*2f172c55SRobert Thurlow /* 9660*2f172c55SRobert Thurlow * Look at path to recover fs_root, ignoring the leading '/' 9661*2f172c55SRobert Thurlow */ 9662*2f172c55SRobert Thurlow (void) make_pathname4(vp->v_path, &result->fs_root); 9663*2f172c55SRobert Thurlow 9664*2f172c55SRobert Thurlow return (result); 9665*2f172c55SRobert Thurlow } 9666*2f172c55SRobert Thurlow 9667*2f172c55SRobert Thurlow char * 9668*2f172c55SRobert Thurlow build_symlink(vnode_t *vp, cred_t *cr, size_t *strsz) 9669*2f172c55SRobert Thurlow { 9670*2f172c55SRobert Thurlow fs_locations4 *fsl; 9671*2f172c55SRobert Thurlow fs_location4 *fs; 9672*2f172c55SRobert Thurlow char *server, *path, *symbuf; 9673*2f172c55SRobert Thurlow static char *prefix = "/net/"; 9674*2f172c55SRobert Thurlow int i, size, npaths; 9675*2f172c55SRobert Thurlow uint_t len; 9676*2f172c55SRobert Thurlow 9677*2f172c55SRobert Thurlow /* Get the referral */ 9678*2f172c55SRobert Thurlow if ((fsl = fetch_referral(vp, cr)) == NULL) 9679*2f172c55SRobert Thurlow return (NULL); 9680*2f172c55SRobert Thurlow 9681*2f172c55SRobert Thurlow /* Deal with only the first location and first server */ 9682*2f172c55SRobert Thurlow fs = &fsl->locations_val[0]; 9683*2f172c55SRobert Thurlow server = utf8_to_str(&fs->server_val[0], &len, NULL); 9684*2f172c55SRobert Thurlow if (server == NULL) { 9685*2f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 9686*2f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 9687*2f172c55SRobert Thurlow return (NULL); 9688*2f172c55SRobert Thurlow } 9689*2f172c55SRobert Thurlow 9690*2f172c55SRobert Thurlow /* Figure out size for "/net/" + host + /path/path/path + NULL */ 9691*2f172c55SRobert Thurlow size = strlen(prefix) + len; 9692*2f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) 9693*2f172c55SRobert Thurlow size += fs->rootpath.pathname4_val[i].utf8string_len + 1; 9694*2f172c55SRobert Thurlow 9695*2f172c55SRobert Thurlow /* Allocate the symlink buffer and fill it */ 9696*2f172c55SRobert Thurlow symbuf = kmem_zalloc(size, KM_SLEEP); 9697*2f172c55SRobert Thurlow (void) strcat(symbuf, prefix); 9698*2f172c55SRobert Thurlow (void) strcat(symbuf, server); 9699*2f172c55SRobert Thurlow kmem_free(server, len); 9700*2f172c55SRobert Thurlow 9701*2f172c55SRobert Thurlow npaths = 0; 9702*2f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) { 9703*2f172c55SRobert Thurlow path = utf8_to_str(&fs->rootpath.pathname4_val[i], &len, NULL); 9704*2f172c55SRobert Thurlow if (path == NULL) 9705*2f172c55SRobert Thurlow continue; 9706*2f172c55SRobert Thurlow (void) strcat(symbuf, "/"); 9707*2f172c55SRobert Thurlow (void) strcat(symbuf, path); 9708*2f172c55SRobert Thurlow npaths++; 9709*2f172c55SRobert Thurlow kmem_free(path, len); 9710*2f172c55SRobert Thurlow } 9711*2f172c55SRobert Thurlow 9712*2f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 9713*2f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 9714*2f172c55SRobert Thurlow 9715*2f172c55SRobert Thurlow if (strsz != NULL) 9716*2f172c55SRobert Thurlow *strsz = size; 9717*2f172c55SRobert Thurlow return (symbuf); 9718*2f172c55SRobert Thurlow } 9719*2f172c55SRobert Thurlow 9720*2f172c55SRobert Thurlow /* 9721*2f172c55SRobert Thurlow * Check to see if we have a downrev Solaris client, so that we 9722*2f172c55SRobert Thurlow * can send it a symlink instead of a referral. 9723*2f172c55SRobert Thurlow */ 9724*2f172c55SRobert Thurlow int 9725*2f172c55SRobert Thurlow client_is_downrev(struct svc_req *req) 9726*2f172c55SRobert Thurlow { 9727*2f172c55SRobert Thurlow struct sockaddr *ca; 9728*2f172c55SRobert Thurlow rfs4_clntip_t *ci; 9729*2f172c55SRobert Thurlow bool_t create = FALSE; 9730*2f172c55SRobert Thurlow int is_downrev; 9731*2f172c55SRobert Thurlow 9732*2f172c55SRobert Thurlow ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 9733*2f172c55SRobert Thurlow ASSERT(ca); 9734*2f172c55SRobert Thurlow ci = rfs4_find_clntip(ca, &create); 9735*2f172c55SRobert Thurlow if (ci == NULL) 9736*2f172c55SRobert Thurlow return (0); 9737*2f172c55SRobert Thurlow is_downrev = ci->ri_no_referrals; 9738*2f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 9739*2f172c55SRobert Thurlow return (is_downrev); 9740*2f172c55SRobert Thurlow } 9741