17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*aa59c4cbSrsb * Copyright 2007 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 #pragma ident "%Z%%M% %I% %E% SMI" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <sys/param.h> 347c478bd9Sstevel@tonic-gate #include <sys/types.h> 357c478bd9Sstevel@tonic-gate #include <sys/systm.h> 367c478bd9Sstevel@tonic-gate #include <sys/cred.h> 377c478bd9Sstevel@tonic-gate #include <sys/buf.h> 387c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 39*aa59c4cbSrsb #include <sys/vfs_opreg.h> 407c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 417c478bd9Sstevel@tonic-gate #include <sys/uio.h> 427c478bd9Sstevel@tonic-gate #include <sys/errno.h> 437c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 447c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 457c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 467c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 477c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 487c478bd9Sstevel@tonic-gate #include <sys/debug.h> 497c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 507c478bd9Sstevel@tonic-gate #include <sys/flock.h> 517c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 527c478bd9Sstevel@tonic-gate #include <sys/nbmlock.h> 537c478bd9Sstevel@tonic-gate #include <sys/share.h> 547c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 557c478bd9Sstevel@tonic-gate #include <sys/policy.h> 567c478bd9Sstevel@tonic-gate #include <sys/fem.h> 5745916cd2Sjpk #include <sys/sdt.h> 58cee86682Scalum #include <sys/ddi.h> 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate #include <rpc/types.h> 617c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 627c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 637c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 667c478bd9Sstevel@tonic-gate #include <nfs/export.h> 677c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 687c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 717c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate #include <inet/common.h> 747c478bd9Sstevel@tonic-gate #include <inet/ip.h> 757c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 767c478bd9Sstevel@tonic-gate 7745916cd2Sjpk #include <sys/tsol/label.h> 7845916cd2Sjpk #include <sys/tsol/tndb.h> 7945916cd2Sjpk 807c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 817c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 827c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 837c478bd9Sstevel@tonic-gate static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate /* End of Tunables */ 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate /* 887c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 897c478bd9Sstevel@tonic-gate */ 907c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* 937c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 947c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 957c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 967c478bd9Sstevel@tonic-gate * XDR encoded dirent. 977c478bd9Sstevel@tonic-gate * 987c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 997c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1007c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1017c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1027c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1037c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1047c478bd9Sstevel@tonic-gate * 1057c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1067c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1077c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1087c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1097c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1107c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1117c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1127c478bd9Sstevel@tonic-gate * 1137c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1147c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1157c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1167c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1177c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1187c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1197c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1207c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1217c478bd9Sstevel@tonic-gate */ 1227c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1237c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1247c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1257c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate /* 1287c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1297c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1307c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1317c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1327c478bd9Sstevel@tonic-gate * UTF8 functions. 1337c478bd9Sstevel@tonic-gate * 1347c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1357c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1367c478bd9Sstevel@tonic-gate * 1377c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1387c478bd9Sstevel@tonic-gate * 1397c478bd9Sstevel@tonic-gate */ 1407c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1417c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1427c478bd9Sstevel@tonic-gate 14345916cd2Sjpk /* 14445916cd2Sjpk * types of label comparison 14545916cd2Sjpk */ 14645916cd2Sjpk #define EQUALITY_CHECK 0 14745916cd2Sjpk #define DOMINANCE_CHECK 1 14845916cd2Sjpk 1497c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate u_longlong_t nfs4_srv_caller_id; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1567c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate void rfs4_init_compound_state(struct compound_state *); 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1617c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1627c478bd9Sstevel@tonic-gate struct compound_state *); 1637c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1647c478bd9Sstevel@tonic-gate struct compound_state *); 1657c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1667c478bd9Sstevel@tonic-gate struct compound_state *); 1677c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1687c478bd9Sstevel@tonic-gate struct compound_state *); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1707c478bd9Sstevel@tonic-gate struct compound_state *); 1717c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1727c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 1737c478bd9Sstevel@tonic-gate 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 *); 2477c478bd9Sstevel@tonic-gate static int vop_shrlock(vnode_t *, int, struct shrlock *, int); 2487c478bd9Sstevel@tonic-gate static int rfs4_shrlock(rfs4_state_t *, int); 2497c478bd9Sstevel@tonic-gate static int rfs4_share(rfs4_state_t *); 2507c478bd9Sstevel@tonic-gate void rfs4_ss_clid(rfs4_client_t *, struct svc_req *); 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate /* 2537c478bd9Sstevel@tonic-gate * translation table for attrs 2547c478bd9Sstevel@tonic-gate */ 2557c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2567c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2577c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2587c478bd9Sstevel@tonic-gate int attrcnt; 2597c478bd9Sstevel@tonic-gate bool_t vfsstat; 2607c478bd9Sstevel@tonic-gate }; 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2637c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2647c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2657c478bd9Sstevel@tonic-gate 2667c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2677c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2687c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate fem_t *deleg_rdops; 2717c478bd9Sstevel@tonic-gate fem_t *deleg_wrops; 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2747c478bd9Sstevel@tonic-gate kmutex_t rfs4_servinst_lock; /* protects linked list */ 2757c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2797c478bd9Sstevel@tonic-gate */ 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate struct rfsv4disp { 2827c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2837c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2847c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2857c478bd9Sstevel@tonic-gate }; 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2887c478bd9Sstevel@tonic-gate /* 2897c478bd9Sstevel@tonic-gate * NFS VERSION 4 2907c478bd9Sstevel@tonic-gate */ 2917c478bd9Sstevel@tonic-gate 2927c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2937c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2967c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 2997c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 3027c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3057c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3087c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3117c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3127c478bd9Sstevel@tonic-gate 3137c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 3147c478bd9Sstevel@tonic-gate {rfs4_op_inval, nullfree, 0}, 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3177c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3207c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3237c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3267c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3297c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3327c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3357c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3387c478bd9Sstevel@tonic-gate {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT|RPC_PUBLICFH_OK)}, 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3417c478bd9Sstevel@tonic-gate {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT|RPC_PUBLICFH_OK)}, 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3447c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3477c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3507c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3537c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3547c478bd9Sstevel@tonic-gate 3557c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3567c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3597c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3627c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3657c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3687c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3697c478bd9Sstevel@tonic-gate 3707c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3717c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3727c478bd9Sstevel@tonic-gate 3737c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3747c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3777c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3807c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3837c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3867c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3897c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3907c478bd9Sstevel@tonic-gate 3917c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3927c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3957c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3987c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 4017c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 4047c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4077c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4107c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4117c478bd9Sstevel@tonic-gate }; 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate #ifdef DEBUG 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate int rfs4_fillone_debug = 0; 4207c478bd9Sstevel@tonic-gate int rfs4_shrlock_debug = 0; 4217c478bd9Sstevel@tonic-gate int rfs4_no_stub_access = 1; 4227c478bd9Sstevel@tonic-gate int rfs4_rddir_debug = 0; 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate static char *rfs4_op_string[] = { 4257c478bd9Sstevel@tonic-gate "rfs4_op_null", 4267c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4277c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4287c478bd9Sstevel@tonic-gate "rfs4_op_access", 4297c478bd9Sstevel@tonic-gate "rfs4_op_close", 4307c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4317c478bd9Sstevel@tonic-gate "rfs4_op_create", 4327c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4337c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4347c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4357c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4367c478bd9Sstevel@tonic-gate "rfs4_op_link", 4377c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4387c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4397c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4407c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4417c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4427c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4437c478bd9Sstevel@tonic-gate "rfs4_op_open", 4447c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4457c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4467c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4477c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4487c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4497c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4507c478bd9Sstevel@tonic-gate "rfs4_op_read", 4517c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4527c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4537c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4547c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4557c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4567c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4577c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4587c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4597c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4607c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4617c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4627c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4637c478bd9Sstevel@tonic-gate "rfs4_op_write", 4647c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4657c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4667c478bd9Sstevel@tonic-gate }; 4677c478bd9Sstevel@tonic-gate #endif 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate void rfs4_ss_chkclid(rfs4_client_t *); 4707c478bd9Sstevel@tonic-gate 471cee86682Scalum extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 472cee86682Scalum 4737c478bd9Sstevel@tonic-gate #ifdef nextdp 4747c478bd9Sstevel@tonic-gate #undef nextdp 4757c478bd9Sstevel@tonic-gate #endif 4767c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4777c478bd9Sstevel@tonic-gate 4787c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 479*aa59c4cbSrsb VOPNAME_OPEN, { .femop_open = deleg_rdopen }, 480*aa59c4cbSrsb VOPNAME_WRITE, { .femop_write = deleg_write }, 481*aa59c4cbSrsb VOPNAME_SETATTR, { .femop_setattr = deleg_setattr }, 482*aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 483*aa59c4cbSrsb VOPNAME_SPACE, { .femop_space = deleg_space }, 484*aa59c4cbSrsb VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_setsecattr }, 485*aa59c4cbSrsb VOPNAME_VNEVENT, { .femop_vnevent = deleg_vnevent }, 486*aa59c4cbSrsb NULL, NULL 4877c478bd9Sstevel@tonic-gate }; 4887c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 489*aa59c4cbSrsb VOPNAME_OPEN, { .femop_open = deleg_wropen }, 490*aa59c4cbSrsb VOPNAME_READ, { .femop_read = deleg_read }, 491*aa59c4cbSrsb VOPNAME_WRITE, { .femop_write = deleg_write }, 492*aa59c4cbSrsb VOPNAME_SETATTR, { .femop_setattr = deleg_setattr }, 493*aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 494*aa59c4cbSrsb VOPNAME_SPACE, { .femop_space = deleg_space }, 495*aa59c4cbSrsb VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_setsecattr }, 496*aa59c4cbSrsb VOPNAME_VNEVENT, { .femop_vnevent = deleg_vnevent }, 497*aa59c4cbSrsb NULL, NULL 4987c478bd9Sstevel@tonic-gate }; 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate int 5017c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 5027c478bd9Sstevel@tonic-gate { 5037c478bd9Sstevel@tonic-gate timespec32_t verf; 5047c478bd9Sstevel@tonic-gate int error; 5057c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5067c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5077c478bd9Sstevel@tonic-gate 5087c478bd9Sstevel@tonic-gate /* 5097c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5107c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5117c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5127c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5137c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5147c478bd9Sstevel@tonic-gate * different servers. 5157c478bd9Sstevel@tonic-gate * 5167c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5177c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5187c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5197c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5207c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5217c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5227c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5237c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5247c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5257c478bd9Sstevel@tonic-gate */ 5267c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)nfs_atoi(hw_serial); 5277c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5287c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5297c478bd9Sstevel@tonic-gate } else { 5307c478bd9Sstevel@tonic-gate timespec_t tverf; 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5337c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5347c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5357c478bd9Sstevel@tonic-gate } 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5407c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5437c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5467c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5497c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5527c478bd9Sstevel@tonic-gate if (error != 0) { 5537c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5547c478bd9Sstevel@tonic-gate } else { 5557c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5567c478bd9Sstevel@tonic-gate &deleg_wrops); 5577c478bd9Sstevel@tonic-gate if (error != 0) { 5587c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5597c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate } 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5667c478bd9Sstevel@tonic-gate 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 time_t now = gethrestime_sec(); 6037c478bd9Sstevel@tonic-gate 6047c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 6057c478bd9Sstevel@tonic-gate sip->start_time = now; 6067c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6077c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6087c478bd9Sstevel@tonic-gate } 6097c478bd9Sstevel@tonic-gate 6107c478bd9Sstevel@tonic-gate /* 6117c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6127c478bd9Sstevel@tonic-gate */ 6137c478bd9Sstevel@tonic-gate int 6147c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6157c478bd9Sstevel@tonic-gate { 6167c478bd9Sstevel@tonic-gate time_t start_time; 6177c478bd9Sstevel@tonic-gate 6187c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6197c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6207c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6217c478bd9Sstevel@tonic-gate 6227c478bd9Sstevel@tonic-gate return (start_time == 0); 6237c478bd9Sstevel@tonic-gate } 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate /* 6267c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6277c478bd9Sstevel@tonic-gate * grace period. 6287c478bd9Sstevel@tonic-gate */ 6297c478bd9Sstevel@tonic-gate int 6307c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6317c478bd9Sstevel@tonic-gate { 6327c478bd9Sstevel@tonic-gate time_t grace_expiry; 6337c478bd9Sstevel@tonic-gate 6347c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6357c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6367c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6377c478bd9Sstevel@tonic-gate 6387c478bd9Sstevel@tonic-gate return (gethrestime_sec() < grace_expiry); 6397c478bd9Sstevel@tonic-gate } 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate int 6427c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6437c478bd9Sstevel@tonic-gate { 6447c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 6457c478bd9Sstevel@tonic-gate 6467c478bd9Sstevel@tonic-gate return (rfs4_servinst_in_grace(cp->server_instance)); 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate /* 6507c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6517c478bd9Sstevel@tonic-gate */ 6527c478bd9Sstevel@tonic-gate void 6537c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6547c478bd9Sstevel@tonic-gate { 6557c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6567c478bd9Sstevel@tonic-gate 6577c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 658cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 659cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6607c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6617c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6627c478bd9Sstevel@tonic-gate } 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate /* 6657c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6667c478bd9Sstevel@tonic-gate */ 6677c478bd9Sstevel@tonic-gate void 6687c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6697c478bd9Sstevel@tonic-gate { 6707c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6717c478bd9Sstevel@tonic-gate 6727c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 673cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6747c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6757c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6767c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 677cee86682Scalum } 678cee86682Scalum 679cee86682Scalum static rfs4_dss_path_t * 680cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 681cee86682Scalum { 682cee86682Scalum size_t len; 683cee86682Scalum rfs4_dss_path_t *dss_path; 684cee86682Scalum 685cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 686cee86682Scalum 687cee86682Scalum /* 688cee86682Scalum * Take a copy of the string, since the original may be overwritten. 689cee86682Scalum * Sadly, no strdup() in the kernel. 690cee86682Scalum */ 691cee86682Scalum /* allow for NUL */ 692cee86682Scalum len = strlen(path) + 1; 693cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 694cee86682Scalum (void) strlcpy(dss_path->path, path, len); 695cee86682Scalum 696cee86682Scalum /* associate with servinst */ 697cee86682Scalum dss_path->sip = sip; 698cee86682Scalum dss_path->index = index; 699cee86682Scalum 700cee86682Scalum /* 701cee86682Scalum * Add to list of served paths. 702cee86682Scalum * No locking required, as we're only ever called at startup. 703cee86682Scalum */ 704cee86682Scalum if (rfs4_dss_pathlist == NULL) { 705cee86682Scalum /* this is the first dss_path_t */ 7067c478bd9Sstevel@tonic-gate 707cee86682Scalum /* needed for insque/remque */ 708cee86682Scalum dss_path->next = dss_path->prev = dss_path; 709cee86682Scalum 710cee86682Scalum rfs4_dss_pathlist = dss_path; 711cee86682Scalum } else { 712cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 713cee86682Scalum } 714cee86682Scalum 715cee86682Scalum return (dss_path); 7167c478bd9Sstevel@tonic-gate } 7177c478bd9Sstevel@tonic-gate 7187c478bd9Sstevel@tonic-gate /* 7197c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7207c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7217c478bd9Sstevel@tonic-gate * recovery window. 7227c478bd9Sstevel@tonic-gate */ 7237c478bd9Sstevel@tonic-gate void 724cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7257c478bd9Sstevel@tonic-gate { 726cee86682Scalum unsigned i; 7277c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 728cee86682Scalum rfs4_oldstate_t *oldstate; 7297c478bd9Sstevel@tonic-gate 7307c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7317c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7347c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7357c478bd9Sstevel@tonic-gate sip->next = NULL; 7367c478bd9Sstevel@tonic-gate sip->prev = NULL; 7377c478bd9Sstevel@tonic-gate 738cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 739cee86682Scalum /* 740cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 741cee86682Scalum * It must be skipped over whenever the list is traversed. 742cee86682Scalum */ 743cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 744cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 745cee86682Scalum oldstate->next = oldstate; 746cee86682Scalum oldstate->prev = oldstate; 747cee86682Scalum sip->oldstate = oldstate; 748cee86682Scalum 749cee86682Scalum 750cee86682Scalum sip->dss_npaths = dss_npaths; 751cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 752cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 753cee86682Scalum 754cee86682Scalum for (i = 0; i < dss_npaths; i++) { 755cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 756cee86682Scalum } 757cee86682Scalum 7587c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 759cee86682Scalum if (rfs4_cur_servinst != NULL) { 7607c478bd9Sstevel@tonic-gate /* add to linked list */ 7617c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7627c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7637c478bd9Sstevel@tonic-gate } 7647c478bd9Sstevel@tonic-gate if (start_grace) 7657c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7667c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7677c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7687c478bd9Sstevel@tonic-gate 769cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7707c478bd9Sstevel@tonic-gate } 7717c478bd9Sstevel@tonic-gate 7727c478bd9Sstevel@tonic-gate /* 7737c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7747c478bd9Sstevel@tonic-gate * all instances directly. 7757c478bd9Sstevel@tonic-gate */ 7767c478bd9Sstevel@tonic-gate void 7777c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7787c478bd9Sstevel@tonic-gate { 7797c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7807c478bd9Sstevel@tonic-gate #ifdef DEBUG 7817c478bd9Sstevel@tonic-gate int n = 0; 7827c478bd9Sstevel@tonic-gate #endif 7837c478bd9Sstevel@tonic-gate 7847c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7857c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7867c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7877c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7887c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7897c478bd9Sstevel@tonic-gate prev = sip->prev; 7907c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 791cee86682Scalum if (sip->oldstate) 792cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 793cee86682Scalum if (sip->dss_paths) 794cee86682Scalum kmem_free(sip->dss_paths, 795cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7967c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7977c478bd9Sstevel@tonic-gate #ifdef DEBUG 7987c478bd9Sstevel@tonic-gate n++; 7997c478bd9Sstevel@tonic-gate #endif 8007c478bd9Sstevel@tonic-gate } 8017c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8027c478bd9Sstevel@tonic-gate } 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate /* 8057c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 8067c478bd9Sstevel@tonic-gate * Should be called with cp->dbe held. 8077c478bd9Sstevel@tonic-gate */ 8087c478bd9Sstevel@tonic-gate void 8097c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8107c478bd9Sstevel@tonic-gate { 8117c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate /* 8147c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8157c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8167c478bd9Sstevel@tonic-gate */ 8177c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 8187c478bd9Sstevel@tonic-gate cp->server_instance = sip; 8197c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8207c478bd9Sstevel@tonic-gate } 8217c478bd9Sstevel@tonic-gate 8227c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8237c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8247c478bd9Sstevel@tonic-gate { 8257c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate return (cp->server_instance); 8287c478bd9Sstevel@tonic-gate } 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8317c478bd9Sstevel@tonic-gate static void 8327c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8337c478bd9Sstevel@tonic-gate { 8347c478bd9Sstevel@tonic-gate } 8357c478bd9Sstevel@tonic-gate 8367c478bd9Sstevel@tonic-gate /* 8377c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8387c478bd9Sstevel@tonic-gate */ 8397c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8407c478bd9Sstevel@tonic-gate static void 8417c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8427c478bd9Sstevel@tonic-gate struct compound_state *cs) 8437c478bd9Sstevel@tonic-gate { 8447c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8457c478bd9Sstevel@tonic-gate } 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate /* 8487c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8497c478bd9Sstevel@tonic-gate */ 8507c478bd9Sstevel@tonic-gate bool_t 8517c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8527c478bd9Sstevel@tonic-gate { 8537c478bd9Sstevel@tonic-gate int i; 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8567c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8577c478bd9Sstevel@tonic-gate return (TRUE); 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate return (FALSE); 8607c478bd9Sstevel@tonic-gate } 8617c478bd9Sstevel@tonic-gate 8627c478bd9Sstevel@tonic-gate /* 8637c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8647c478bd9Sstevel@tonic-gate * export structure associated with the component. 8657c478bd9Sstevel@tonic-gate */ 8667c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8677c478bd9Sstevel@tonic-gate static nfsstat4 8687c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8697c478bd9Sstevel@tonic-gate { 8707c478bd9Sstevel@tonic-gate int error, different_export = 0; 8717c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8727c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8737c478bd9Sstevel@tonic-gate fid_t fid; 8747c478bd9Sstevel@tonic-gate uint_t count, i; 8757c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8767c478bd9Sstevel@tonic-gate struct secinfo *secp; 8777c478bd9Sstevel@tonic-gate bool_t did_traverse; 8787c478bd9Sstevel@tonic-gate int dotdot, walk; 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate dvp = cs->vp; 8817c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate /* 8847c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8857c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8867c478bd9Sstevel@tonic-gate */ 8877c478bd9Sstevel@tonic-gate if (dotdot) { 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* 8907c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8917c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8927c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8937c478bd9Sstevel@tonic-gate */ 8947c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8957c478bd9Sstevel@tonic-gate 8967c478bd9Sstevel@tonic-gate /* 8977c478bd9Sstevel@tonic-gate * If at the system root, then can 8987c478bd9Sstevel@tonic-gate * go up no further. 8997c478bd9Sstevel@tonic-gate */ 9007c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 9017c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9027c478bd9Sstevel@tonic-gate 9037c478bd9Sstevel@tonic-gate /* 9047c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9057c478bd9Sstevel@tonic-gate */ 9067c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate /* 9097c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9107c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9117c478bd9Sstevel@tonic-gate * this new filesystem. 9127c478bd9Sstevel@tonic-gate */ 9137c478bd9Sstevel@tonic-gate different_export = 1; 9147c478bd9Sstevel@tonic-gate } else { 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate /* 9177c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9187c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9197c478bd9Sstevel@tonic-gate */ 9207c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9217c478bd9Sstevel@tonic-gate } 9227c478bd9Sstevel@tonic-gate } 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate /* 9257c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9267c478bd9Sstevel@tonic-gate */ 9277c478bd9Sstevel@tonic-gate error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr); 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++) { 10267c478bd9Sstevel@tonic-gate resok_val[i].flavor = secp[i].s_secinfo.sc_rpcnum; 10277c478bd9Sstevel@tonic-gate if (resok_val[i].flavor == RPCSEC_GSS) { 10287c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate info = &resok_val[i].flavor_info; 10317c478bd9Sstevel@tonic-gate info->qop = secp[i].s_secinfo.sc_qop; 10327c478bd9Sstevel@tonic-gate info->service = 10337c478bd9Sstevel@tonic-gate (rpc_gss_svc_t)secp[i].s_secinfo.sc_service; 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate /* get oid opaque data */ 10367c478bd9Sstevel@tonic-gate info->oid.sec_oid4_len = 10377c478bd9Sstevel@tonic-gate secp[i].s_secinfo.sc_gss_mech_type->length; 10387c478bd9Sstevel@tonic-gate info->oid.sec_oid4_val = 10397c478bd9Sstevel@tonic-gate kmem_alloc( 10407c478bd9Sstevel@tonic-gate secp[i].s_secinfo.sc_gss_mech_type->length, 10417c478bd9Sstevel@tonic-gate KM_SLEEP); 10427c478bd9Sstevel@tonic-gate bcopy(secp[i].s_secinfo.sc_gss_mech_type->elements, 10437c478bd9Sstevel@tonic-gate info->oid.sec_oid4_val, info->oid.sec_oid4_len); 10447c478bd9Sstevel@tonic-gate } 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, 10647c478bd9Sstevel@tonic-gate 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++) { 10777c478bd9Sstevel@tonic-gate /* If the flavor is in the flavor list, fill in resok_val. */ 10787c478bd9Sstevel@tonic-gate if (in_flavor_list(secp[i].s_secinfo.sc_nfsnum, 10797c478bd9Sstevel@tonic-gate flavor_list, ret_cnt)) { 10807c478bd9Sstevel@tonic-gate resok_val[k].flavor = secp[i].s_secinfo.sc_rpcnum; 10817c478bd9Sstevel@tonic-gate if (resok_val[k].flavor == RPCSEC_GSS) { 10827c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate info = &resok_val[k].flavor_info; 10857c478bd9Sstevel@tonic-gate info->qop = secp[i].s_secinfo.sc_qop; 10867c478bd9Sstevel@tonic-gate info->service = 10877c478bd9Sstevel@tonic-gate (rpc_gss_svc_t)secp[i].s_secinfo.sc_service; 10887c478bd9Sstevel@tonic-gate 10897c478bd9Sstevel@tonic-gate /* get oid opaque data */ 10907c478bd9Sstevel@tonic-gate info->oid.sec_oid4_len = 10917c478bd9Sstevel@tonic-gate secp[i].s_secinfo.sc_gss_mech_type->length; 10927c478bd9Sstevel@tonic-gate info->oid.sec_oid4_val = 10937c478bd9Sstevel@tonic-gate kmem_alloc( 10947c478bd9Sstevel@tonic-gate secp[i].s_secinfo.sc_gss_mech_type->length, 10957c478bd9Sstevel@tonic-gate KM_SLEEP); 10967c478bd9Sstevel@tonic-gate bcopy(secp[i].s_secinfo.sc_gss_mech_type->elements, 10977c478bd9Sstevel@tonic-gate info->oid.sec_oid4_val, info->oid.sec_oid4_len); 10987c478bd9Sstevel@tonic-gate } 10997c478bd9Sstevel@tonic-gate k++; 11007c478bd9Sstevel@tonic-gate } 11017c478bd9Sstevel@tonic-gate if (k >= ret_cnt) 11027c478bd9Sstevel@tonic-gate break; 11037c478bd9Sstevel@tonic-gate } 11047c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11057c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11067c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11077c478bd9Sstevel@tonic-gate } 11087c478bd9Sstevel@tonic-gate 11097c478bd9Sstevel@tonic-gate VN_RELE(vp); 11107c478bd9Sstevel@tonic-gate return (NFS4_OK); 11117c478bd9Sstevel@tonic-gate } 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate /* 11147c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11157c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11167c478bd9Sstevel@tonic-gate * triplets. 11177c478bd9Sstevel@tonic-gate */ 11187c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11197c478bd9Sstevel@tonic-gate static void 11207c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 11217c478bd9Sstevel@tonic-gate struct compound_state *cs) 11227c478bd9Sstevel@tonic-gate { 11237c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 11247c478bd9Sstevel@tonic-gate utf8string *utfnm = &argop->nfs_argop4_u.opsecinfo.name; 11257c478bd9Sstevel@tonic-gate uint_t len; 11267c478bd9Sstevel@tonic-gate char *nm; 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate /* 11297c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11307c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11317c478bd9Sstevel@tonic-gate */ 11327c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 11347c478bd9Sstevel@tonic-gate return; 11357c478bd9Sstevel@tonic-gate } 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 11397c478bd9Sstevel@tonic-gate return; 11407c478bd9Sstevel@tonic-gate } 11417c478bd9Sstevel@tonic-gate 11427c478bd9Sstevel@tonic-gate /* 11437c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11447c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11457c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11467c478bd9Sstevel@tonic-gate */ 11477c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(utfnm)) { 11487c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11497c478bd9Sstevel@tonic-gate utfnm->utf8string_val[0] != '.' || 11507c478bd9Sstevel@tonic-gate utfnm->utf8string_val[1] != '.') { 11517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 11527c478bd9Sstevel@tonic-gate return; 11537c478bd9Sstevel@tonic-gate } 11547c478bd9Sstevel@tonic-gate } 11557c478bd9Sstevel@tonic-gate 11567c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11577c478bd9Sstevel@tonic-gate if (nm == NULL) { 11587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 11597c478bd9Sstevel@tonic-gate return; 11607c478bd9Sstevel@tonic-gate } 11617c478bd9Sstevel@tonic-gate 11627c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11647c478bd9Sstevel@tonic-gate kmem_free(nm, len); 11657c478bd9Sstevel@tonic-gate return; 11667c478bd9Sstevel@tonic-gate } 11677c478bd9Sstevel@tonic-gate 11687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, nm, resp); 11697c478bd9Sstevel@tonic-gate 11707c478bd9Sstevel@tonic-gate kmem_free(nm, len); 11717c478bd9Sstevel@tonic-gate } 11727c478bd9Sstevel@tonic-gate 11737c478bd9Sstevel@tonic-gate /* 11747c478bd9Sstevel@tonic-gate * Free SECINFO result. 11757c478bd9Sstevel@tonic-gate */ 11767c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11777c478bd9Sstevel@tonic-gate static void 11787c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 11797c478bd9Sstevel@tonic-gate { 11807c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 11817c478bd9Sstevel@tonic-gate int count, i; 11827c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 11837c478bd9Sstevel@tonic-gate 11847c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 11857c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 11867c478bd9Sstevel@tonic-gate return; 11877c478bd9Sstevel@tonic-gate } 11887c478bd9Sstevel@tonic-gate 11897c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 11907c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 11917c478bd9Sstevel@tonic-gate 11927c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 11937c478bd9Sstevel@tonic-gate if (resok_val[i].flavor == RPCSEC_GSS) { 11947c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 11957c478bd9Sstevel@tonic-gate 11967c478bd9Sstevel@tonic-gate info = &resok_val[i].flavor_info; 11977c478bd9Sstevel@tonic-gate kmem_free(info->oid.sec_oid4_val, info->oid.sec_oid4_len); 11987c478bd9Sstevel@tonic-gate } 11997c478bd9Sstevel@tonic-gate } 12007c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12017c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12027c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12037c478bd9Sstevel@tonic-gate } 12047c478bd9Sstevel@tonic-gate 120545916cd2Sjpk /* 120645916cd2Sjpk * do label check on client label and server's file lable. 120745916cd2Sjpk */ 120845916cd2Sjpk static boolean_t 120945916cd2Sjpk do_rfs4_label_check(bslabel_t *clabel, vnode_t *vp, int flag) 121045916cd2Sjpk { 121145916cd2Sjpk bslabel_t *slabel; 121245916cd2Sjpk ts_label_t *tslabel; 121345916cd2Sjpk boolean_t result; 121445916cd2Sjpk 121545916cd2Sjpk if ((tslabel = nfs4_getflabel(vp)) == NULL) { 121645916cd2Sjpk return (B_FALSE); 121745916cd2Sjpk } 121845916cd2Sjpk slabel = label2bslabel(tslabel); 121945916cd2Sjpk DTRACE_PROBE4(tx__rfs4__log__info__labelcheck, char *, 122045916cd2Sjpk "comparing server's file label(1) with client label(2) (vp(3))", 122145916cd2Sjpk bslabel_t *, slabel, bslabel_t *, clabel, vnode_t *, vp); 122245916cd2Sjpk 122345916cd2Sjpk if (flag == EQUALITY_CHECK) 122445916cd2Sjpk result = blequal(clabel, slabel); 122545916cd2Sjpk else 122645916cd2Sjpk result = bldominates(clabel, slabel); 122745916cd2Sjpk label_rele(tslabel); 122845916cd2Sjpk return (result); 122945916cd2Sjpk } 123045916cd2Sjpk 12317c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12327c478bd9Sstevel@tonic-gate static void 12337c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 12347c478bd9Sstevel@tonic-gate struct compound_state *cs) 12357c478bd9Sstevel@tonic-gate { 12367c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12377c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12387c478bd9Sstevel@tonic-gate int error; 12397c478bd9Sstevel@tonic-gate vnode_t *vp; 12407c478bd9Sstevel@tonic-gate struct vattr va; 12417c478bd9Sstevel@tonic-gate int checkwriteperm; 12427c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124345916cd2Sjpk bslabel_t *clabel, *slabel; 124445916cd2Sjpk ts_label_t *tslabel; 124545916cd2Sjpk boolean_t admin_low_client; 12467c478bd9Sstevel@tonic-gate 12477c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12487c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 12507c478bd9Sstevel@tonic-gate return; 12517c478bd9Sstevel@tonic-gate } 12527c478bd9Sstevel@tonic-gate #endif 12537c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 12557c478bd9Sstevel@tonic-gate return; 12567c478bd9Sstevel@tonic-gate } 12577c478bd9Sstevel@tonic-gate 12587c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12597c478bd9Sstevel@tonic-gate 12607c478bd9Sstevel@tonic-gate vp = cs->vp; 12617c478bd9Sstevel@tonic-gate 12627c478bd9Sstevel@tonic-gate /* 12637c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12647c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12657c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12667c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12677c478bd9Sstevel@tonic-gate */ 12687c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12697c478bd9Sstevel@tonic-gate (vp->v_type == VREG || vp->v_type == VDIR)) 12707c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12717c478bd9Sstevel@tonic-gate else 12727c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12737c478bd9Sstevel@tonic-gate 12747c478bd9Sstevel@tonic-gate /* 12757c478bd9Sstevel@tonic-gate * XXX 12767c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12777c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12787c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12797c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12807c478bd9Sstevel@tonic-gate */ 12817c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 12827c478bd9Sstevel@tonic-gate error = VOP_GETATTR(vp, &va, 0, cr); 12837c478bd9Sstevel@tonic-gate if (error) { 12847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 12857c478bd9Sstevel@tonic-gate return; 12867c478bd9Sstevel@tonic-gate } 12877c478bd9Sstevel@tonic-gate resp->access = 0; 12887c478bd9Sstevel@tonic-gate resp->supported = 0; 12897c478bd9Sstevel@tonic-gate 129045916cd2Sjpk if (is_system_labeled()) { 129145916cd2Sjpk ASSERT(req->rq_label != NULL); 129245916cd2Sjpk clabel = req->rq_label; 129345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 129445916cd2Sjpk "got client label from request(1)", 129545916cd2Sjpk struct svc_req *, req); 129645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 129745916cd2Sjpk if ((tslabel = nfs4_getflabel(vp)) == NULL) { 129845916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 129945916cd2Sjpk return; 130045916cd2Sjpk } 130145916cd2Sjpk slabel = label2bslabel(tslabel); 130245916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 130345916cd2Sjpk char *, "got server label(1) for vp(2)", 130445916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 130545916cd2Sjpk 130645916cd2Sjpk admin_low_client = B_FALSE; 130745916cd2Sjpk } else 130845916cd2Sjpk admin_low_client = B_TRUE; 130945916cd2Sjpk } 131045916cd2Sjpk 13117c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 13127c478bd9Sstevel@tonic-gate error = VOP_ACCESS(vp, VREAD, 0, cr); 131345916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 131445916cd2Sjpk (!is_system_labeled() || admin_low_client || 131545916cd2Sjpk bldominates(clabel, slabel))) 13167c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13177c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13187c478bd9Sstevel@tonic-gate } 13197c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 13207c478bd9Sstevel@tonic-gate error = VOP_ACCESS(vp, VEXEC, 0, cr); 132145916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 132245916cd2Sjpk bldominates(clabel, slabel))) 13237c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13247c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13257c478bd9Sstevel@tonic-gate } 13267c478bd9Sstevel@tonic-gate if (checkwriteperm && 13277c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 13287c478bd9Sstevel@tonic-gate error = VOP_ACCESS(vp, VWRITE, 0, cr); 132945916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133045916cd2Sjpk (!is_system_labeled() || admin_low_client || 133145916cd2Sjpk blequal(clabel, slabel))) 13327c478bd9Sstevel@tonic-gate resp->access |= 13337c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND)); 13347c478bd9Sstevel@tonic-gate resp->supported |= (ACCESS4_MODIFY|ACCESS4_EXTEND); 13357c478bd9Sstevel@tonic-gate } 13367c478bd9Sstevel@tonic-gate 13377c478bd9Sstevel@tonic-gate if (checkwriteperm && 13387c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 13397c478bd9Sstevel@tonic-gate error = VOP_ACCESS(vp, VWRITE, 0, cr); 134045916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 134145916cd2Sjpk blequal(clabel, slabel))) 13427c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13437c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13447c478bd9Sstevel@tonic-gate } 13457c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 13467c478bd9Sstevel@tonic-gate error = VOP_ACCESS(vp, VEXEC, 0, cr); 134745916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 134845916cd2Sjpk (!is_system_labeled() || admin_low_client || 134945916cd2Sjpk bldominates(clabel, slabel))) 13507c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13517c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13527c478bd9Sstevel@tonic-gate } 13537c478bd9Sstevel@tonic-gate 135445916cd2Sjpk if (is_system_labeled() && !admin_low_client) 135545916cd2Sjpk label_rele(tslabel); 135645916cd2Sjpk 13577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 13587c478bd9Sstevel@tonic-gate } 13597c478bd9Sstevel@tonic-gate 13607c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13617c478bd9Sstevel@tonic-gate static void 13627c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 13637c478bd9Sstevel@tonic-gate struct compound_state *cs) 13647c478bd9Sstevel@tonic-gate { 13657c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13667c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13677c478bd9Sstevel@tonic-gate int error; 13687c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13697c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13707c478bd9Sstevel@tonic-gate vattr_t va; 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate if (vp == NULL) { 13737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 13747c478bd9Sstevel@tonic-gate return; 13757c478bd9Sstevel@tonic-gate } 13767c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 13787c478bd9Sstevel@tonic-gate return; 13797c478bd9Sstevel@tonic-gate } 13807c478bd9Sstevel@tonic-gate 13817c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 13837c478bd9Sstevel@tonic-gate return; 13847c478bd9Sstevel@tonic-gate } 13857c478bd9Sstevel@tonic-gate 13867c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 13877c478bd9Sstevel@tonic-gate error = VOP_GETATTR(vp, &va, 0, cr); 13887c478bd9Sstevel@tonic-gate 13897c478bd9Sstevel@tonic-gate /* 13907c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 13917c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 13927c478bd9Sstevel@tonic-gate */ 13937c478bd9Sstevel@tonic-gate if (error) { 13947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 13957c478bd9Sstevel@tonic-gate return; 13967c478bd9Sstevel@tonic-gate } 13977c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 13987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 13997c478bd9Sstevel@tonic-gate return; 14007c478bd9Sstevel@tonic-gate } 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14037c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14047c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14057c478bd9Sstevel@tonic-gate else 14067c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 14087c478bd9Sstevel@tonic-gate return; 14097c478bd9Sstevel@tonic-gate } 14107c478bd9Sstevel@tonic-gate 14117c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 14127c478bd9Sstevel@tonic-gate (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr))) { 14137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 14147c478bd9Sstevel@tonic-gate return; 14157c478bd9Sstevel@tonic-gate } 14167c478bd9Sstevel@tonic-gate 14177c478bd9Sstevel@tonic-gate error = VOP_PUTPAGE(vp, args->offset, args->count, 0, cr); 14187c478bd9Sstevel@tonic-gate if (!error) 14197c478bd9Sstevel@tonic-gate error = VOP_FSYNC(vp, FNODSYNC, cr); 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate if (error) { 14227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 14237c478bd9Sstevel@tonic-gate return; 14247c478bd9Sstevel@tonic-gate } 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14277c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 14287c478bd9Sstevel@tonic-gate } 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate /* 14317c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14327c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14337c478bd9Sstevel@tonic-gate */ 14347c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14357c478bd9Sstevel@tonic-gate static vnode_t * 14367c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 14377c478bd9Sstevel@tonic-gate struct compound_state *cs, vattr_t *vap, char *nm) 14387c478bd9Sstevel@tonic-gate { 14397c478bd9Sstevel@tonic-gate int error; 14407c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14417c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14427c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14437c478bd9Sstevel@tonic-gate int mode; 14447c478bd9Sstevel@tonic-gate enum vcexcl excl; 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate switch (args->type) { 14477c478bd9Sstevel@tonic-gate case NF4CHR: 14487c478bd9Sstevel@tonic-gate case NF4BLK: 14497c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14517c478bd9Sstevel@tonic-gate return (NULL); 14527c478bd9Sstevel@tonic-gate } 14537c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14547c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14557c478bd9Sstevel@tonic-gate else 14567c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14577c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14587c478bd9Sstevel@tonic-gate args->ftype4_u.devdata.specdata2); 14597c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14607c478bd9Sstevel@tonic-gate break; 14617c478bd9Sstevel@tonic-gate case NF4SOCK: 14627c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14637c478bd9Sstevel@tonic-gate break; 14647c478bd9Sstevel@tonic-gate case NF4FIFO: 14657c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14667c478bd9Sstevel@tonic-gate break; 14677c478bd9Sstevel@tonic-gate default: 14687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14697c478bd9Sstevel@tonic-gate return (NULL); 14707c478bd9Sstevel@tonic-gate } 14717c478bd9Sstevel@tonic-gate 14727c478bd9Sstevel@tonic-gate /* 14737c478bd9Sstevel@tonic-gate * Must specify the mode. 14747c478bd9Sstevel@tonic-gate */ 14757c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14777c478bd9Sstevel@tonic-gate return (NULL); 14787c478bd9Sstevel@tonic-gate } 14797c478bd9Sstevel@tonic-gate 14807c478bd9Sstevel@tonic-gate excl = EXCL; 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate mode = 0; 14837c478bd9Sstevel@tonic-gate 14847c478bd9Sstevel@tonic-gate error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0); 14857c478bd9Sstevel@tonic-gate if (error) { 14867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 14877c478bd9Sstevel@tonic-gate return (NULL); 14887c478bd9Sstevel@tonic-gate } 14897c478bd9Sstevel@tonic-gate return (vp); 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate /* 14937c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 14947c478bd9Sstevel@tonic-gate * use nfsv4 open. 14957c478bd9Sstevel@tonic-gate */ 14967c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14977c478bd9Sstevel@tonic-gate static void 14987c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 14997c478bd9Sstevel@tonic-gate struct compound_state *cs) 15007c478bd9Sstevel@tonic-gate { 15017c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15027c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15037c478bd9Sstevel@tonic-gate int error; 15047c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15057c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15067c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15077c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 15087c478bd9Sstevel@tonic-gate char *nm, *lnm; 15097c478bd9Sstevel@tonic-gate uint_t len, llen; 15107c478bd9Sstevel@tonic-gate int syncval = 0; 15117c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15127c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15137c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15147c478bd9Sstevel@tonic-gate nfsstat4 status; 15157c478bd9Sstevel@tonic-gate 15167c478bd9Sstevel@tonic-gate resp->attrset = 0; 15177c478bd9Sstevel@tonic-gate 15187c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 15207c478bd9Sstevel@tonic-gate return; 15217c478bd9Sstevel@tonic-gate } 15227c478bd9Sstevel@tonic-gate 15237c478bd9Sstevel@tonic-gate /* 15247c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15257c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15267c478bd9Sstevel@tonic-gate */ 15277c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 15297c478bd9Sstevel@tonic-gate return; 15307c478bd9Sstevel@tonic-gate } 15317c478bd9Sstevel@tonic-gate 15327c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15337c478bd9Sstevel@tonic-gate switch (args->type) { 15347c478bd9Sstevel@tonic-gate case NF4LNK: 15357c478bd9Sstevel@tonic-gate case NF4BLK: 15367c478bd9Sstevel@tonic-gate case NF4CHR: 15377c478bd9Sstevel@tonic-gate case NF4SOCK: 15387c478bd9Sstevel@tonic-gate case NF4FIFO: 15397c478bd9Sstevel@tonic-gate case NF4DIR: 15407c478bd9Sstevel@tonic-gate break; 15417c478bd9Sstevel@tonic-gate default: 15427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 15437c478bd9Sstevel@tonic-gate return; 15447c478bd9Sstevel@tonic-gate }; 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 15487c478bd9Sstevel@tonic-gate return; 15497c478bd9Sstevel@tonic-gate } 15507c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 15527c478bd9Sstevel@tonic-gate return; 15537c478bd9Sstevel@tonic-gate } 15547c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 15567c478bd9Sstevel@tonic-gate return; 15577c478bd9Sstevel@tonic-gate } 15587c478bd9Sstevel@tonic-gate 15597c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 15617c478bd9Sstevel@tonic-gate return; 15627c478bd9Sstevel@tonic-gate } 15637c478bd9Sstevel@tonic-gate 15647c478bd9Sstevel@tonic-gate /* 15657c478bd9Sstevel@tonic-gate * Name of newly created object 15667c478bd9Sstevel@tonic-gate */ 15677c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15687c478bd9Sstevel@tonic-gate if (nm == NULL) { 15697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 15707c478bd9Sstevel@tonic-gate return; 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15757c478bd9Sstevel@tonic-gate kmem_free(nm, len); 15767c478bd9Sstevel@tonic-gate return; 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate 15797c478bd9Sstevel@tonic-gate resp->attrset = 0; 15807c478bd9Sstevel@tonic-gate 15817c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 15827c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 15837c478bd9Sstevel@tonic-gate 15847c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 15857c478bd9Sstevel@tonic-gate &args->createattrs, cs, &sarg, 15867c478bd9Sstevel@tonic-gate &ntov, NFS4ATTR_SETIT); 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 15897c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 15907c478bd9Sstevel@tonic-gate 15917c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 15927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 15937c478bd9Sstevel@tonic-gate kmem_free(nm, len); 15947c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 15957c478bd9Sstevel@tonic-gate resp->attrset = 0; 15967c478bd9Sstevel@tonic-gate return; 15977c478bd9Sstevel@tonic-gate } 15987c478bd9Sstevel@tonic-gate 15997c478bd9Sstevel@tonic-gate /* Get "before" change value */ 16007c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 16017c478bd9Sstevel@tonic-gate error = VOP_GETATTR(dvp, &bva, 0, cr); 16027c478bd9Sstevel@tonic-gate if (error) { 16037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 16047c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16057c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16067c478bd9Sstevel@tonic-gate resp->attrset = 0; 16077c478bd9Sstevel@tonic-gate return; 16087c478bd9Sstevel@tonic-gate } 16097c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 16107c478bd9Sstevel@tonic-gate 16117c478bd9Sstevel@tonic-gate vap = sarg.vap; 16127c478bd9Sstevel@tonic-gate 16137c478bd9Sstevel@tonic-gate /* 16147c478bd9Sstevel@tonic-gate * Set default initial values for attributes when not specified 16157c478bd9Sstevel@tonic-gate * in createattrs. 16167c478bd9Sstevel@tonic-gate */ 16177c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_UID) == 0) { 16187c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 16197c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 16207c478bd9Sstevel@tonic-gate } 16217c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_GID) == 0) { 16227c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 16237c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 16247c478bd9Sstevel@tonic-gate } 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16277c478bd9Sstevel@tonic-gate switch (args->type) { 16287c478bd9Sstevel@tonic-gate case NF4DIR: 16297c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16307c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16317c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16327c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16337c478bd9Sstevel@tonic-gate } 16347c478bd9Sstevel@tonic-gate error = VOP_MKDIR(dvp, nm, vap, &vp, cr); 16357c478bd9Sstevel@tonic-gate if (error) 16367c478bd9Sstevel@tonic-gate break; 16377c478bd9Sstevel@tonic-gate 16387c478bd9Sstevel@tonic-gate /* 16397c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16407c478bd9Sstevel@tonic-gate * set to zero 16417c478bd9Sstevel@tonic-gate */ 16427c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 16437c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &iva, 0, cs->cr)) 16447c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16457c478bd9Sstevel@tonic-gate break; 16467c478bd9Sstevel@tonic-gate case NF4LNK: 16477c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16487c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16497c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16507c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16517c478bd9Sstevel@tonic-gate } 16527c478bd9Sstevel@tonic-gate 16537c478bd9Sstevel@tonic-gate /* 16547c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16557c478bd9Sstevel@tonic-gate */ 16567c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 16607c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16617c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16627c478bd9Sstevel@tonic-gate resp->attrset = 0; 16637c478bd9Sstevel@tonic-gate return; 16647c478bd9Sstevel@tonic-gate } 16657c478bd9Sstevel@tonic-gate 16667c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 16677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 16687c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16697c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 16707c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16717c478bd9Sstevel@tonic-gate resp->attrset = 0; 16727c478bd9Sstevel@tonic-gate return; 16737c478bd9Sstevel@tonic-gate } 16747c478bd9Sstevel@tonic-gate 16757c478bd9Sstevel@tonic-gate error = VOP_SYMLINK(dvp, nm, vap, lnm, cr); 16767c478bd9Sstevel@tonic-gate if (lnm != NULL) 16777c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 16787c478bd9Sstevel@tonic-gate if (error) 16797c478bd9Sstevel@tonic-gate break; 16807c478bd9Sstevel@tonic-gate 16817c478bd9Sstevel@tonic-gate /* 16827c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16837c478bd9Sstevel@tonic-gate * set to zero 16847c478bd9Sstevel@tonic-gate */ 16857c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 16867c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &iva, 0, cs->cr)) 16877c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16887c478bd9Sstevel@tonic-gate 16897c478bd9Sstevel@tonic-gate error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr); 16907c478bd9Sstevel@tonic-gate if (error) 16917c478bd9Sstevel@tonic-gate break; 16927c478bd9Sstevel@tonic-gate 16937c478bd9Sstevel@tonic-gate /* 16947c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 16957c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 16967c478bd9Sstevel@tonic-gate */ 16977c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 16987c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &iva2, 0, cs->cr) || 16997c478bd9Sstevel@tonic-gate iva2.va_seq != iva.va_seq) 17007c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17017c478bd9Sstevel@tonic-gate break; 17027c478bd9Sstevel@tonic-gate default: 17037c478bd9Sstevel@tonic-gate /* 17047c478bd9Sstevel@tonic-gate * probably a special file. 17057c478bd9Sstevel@tonic-gate */ 17067c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 17077c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 17087c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 17097c478bd9Sstevel@tonic-gate } 17107c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 17117c478bd9Sstevel@tonic-gate /* 17127c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 17137c478bd9Sstevel@tonic-gate */ 17147c478bd9Sstevel@tonic-gate vp = do_rfs4_op_mknod(args, resp, req, cs, vap, nm); 17157c478bd9Sstevel@tonic-gate 17167c478bd9Sstevel@tonic-gate if (vp == NULL) { 17177c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17187c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17197c478bd9Sstevel@tonic-gate resp->attrset = 0; 17207c478bd9Sstevel@tonic-gate return; 17217c478bd9Sstevel@tonic-gate } 17227c478bd9Sstevel@tonic-gate 17237c478bd9Sstevel@tonic-gate /* 17247c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17257c478bd9Sstevel@tonic-gate * set to zero 17267c478bd9Sstevel@tonic-gate */ 17277c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 17287c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &iva, 0, cs->cr)) 17297c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17307c478bd9Sstevel@tonic-gate 17317c478bd9Sstevel@tonic-gate break; 17327c478bd9Sstevel@tonic-gate } 17337c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17347c478bd9Sstevel@tonic-gate 17357c478bd9Sstevel@tonic-gate if (error) { 17367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17377c478bd9Sstevel@tonic-gate } 17387c478bd9Sstevel@tonic-gate 17397c478bd9Sstevel@tonic-gate /* 17407c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 17417c478bd9Sstevel@tonic-gate */ 17427c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(dvp, 0, cr); 17437c478bd9Sstevel@tonic-gate 17447c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 17457c478bd9Sstevel@tonic-gate if (vp != NULL) 17467c478bd9Sstevel@tonic-gate VN_RELE(vp); 17477c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17487c478bd9Sstevel@tonic-gate resp->attrset = 0; 17497c478bd9Sstevel@tonic-gate return; 17507c478bd9Sstevel@tonic-gate } 17517c478bd9Sstevel@tonic-gate 17527c478bd9Sstevel@tonic-gate /* 17537c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 17547c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 17557c478bd9Sstevel@tonic-gate * before value. 17567c478bd9Sstevel@tonic-gate */ 17577c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 17587c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &ava, 0, cr)) { 17597c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 17607c478bd9Sstevel@tonic-gate ava.va_seq = 0; 17617c478bd9Sstevel@tonic-gate } 17627c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 17637c478bd9Sstevel@tonic-gate 17647c478bd9Sstevel@tonic-gate /* 17657c478bd9Sstevel@tonic-gate * True verification that object was created with correct 17667c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 17677c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 17687c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 17697c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 17707c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 17717c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 17727c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 17737c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 17747c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 17757c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 17767c478bd9Sstevel@tonic-gate * 17777c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 17787c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 17797c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 17807c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 17817c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 17827c478bd9Sstevel@tonic-gate */ 17837c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 17847c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 17857c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 17887c478bd9Sstevel@tonic-gate if (error) { 17897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17907c478bd9Sstevel@tonic-gate } 17917c478bd9Sstevel@tonic-gate 17927c478bd9Sstevel@tonic-gate /* 17937c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 17947c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 17957c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 17967c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 17977c478bd9Sstevel@tonic-gate */ 17987c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 17997c478bd9Sstevel@tonic-gate iva.va_seq == (bva.va_seq + 1) && 18007c478bd9Sstevel@tonic-gate iva.va_seq == ava.va_seq) 18017c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 18027c478bd9Sstevel@tonic-gate else 18037c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 18047c478bd9Sstevel@tonic-gate 18057c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(vp, syncval, cr); 18067c478bd9Sstevel@tonic-gate 18077c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18087c478bd9Sstevel@tonic-gate VN_RELE(vp); 18097c478bd9Sstevel@tonic-gate return; 18107c478bd9Sstevel@tonic-gate } 18117c478bd9Sstevel@tonic-gate if (cs->vp) 18127c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 18137c478bd9Sstevel@tonic-gate 18147c478bd9Sstevel@tonic-gate cs->vp = vp; 18157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 18167c478bd9Sstevel@tonic-gate } 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 18207c478bd9Sstevel@tonic-gate static void 18217c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 18227c478bd9Sstevel@tonic-gate struct compound_state *cs) 18237c478bd9Sstevel@tonic-gate { 18247c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 18257c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 18267c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 18277c478bd9Sstevel@tonic-gate nfsstat4 status; 18287c478bd9Sstevel@tonic-gate 18297c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 18307c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 18317c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 18327c478bd9Sstevel@tonic-gate return; 18337c478bd9Sstevel@tonic-gate 18347c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 18357c478bd9Sstevel@tonic-gate if (cs->vp != dsp->finfo->vp) { 18367c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 18377c478bd9Sstevel@tonic-gate } else 18387c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 18397c478bd9Sstevel@tonic-gate 18407c478bd9Sstevel@tonic-gate rfs4_update_lease(dsp->client); 18417c478bd9Sstevel@tonic-gate 18427c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 18437c478bd9Sstevel@tonic-gate } 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate /* 18467c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 18477c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 18487c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 18497c478bd9Sstevel@tonic-gate * 18507c478bd9Sstevel@tonic-gate * e.g. 18517c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 18527c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 18537c478bd9Sstevel@tonic-gate * 18547c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 18557c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 18567c478bd9Sstevel@tonic-gate * server namespace setup. 18577c478bd9Sstevel@tonic-gate */ 18587c478bd9Sstevel@tonic-gate int 18597c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 18607c478bd9Sstevel@tonic-gate { 18617c478bd9Sstevel@tonic-gate int i; 18627c478bd9Sstevel@tonic-gate struct secinfo *sp; 18637c478bd9Sstevel@tonic-gate 18647c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 18657c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 18667c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 18677c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 18687c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 18697c478bd9Sstevel@tonic-gate } 18707c478bd9Sstevel@tonic-gate } 18717c478bd9Sstevel@tonic-gate 18727c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 18737c478bd9Sstevel@tonic-gate return (0); 18747c478bd9Sstevel@tonic-gate } 18757c478bd9Sstevel@tonic-gate 18767c478bd9Sstevel@tonic-gate /* 18777c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 18787c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 18797c478bd9Sstevel@tonic-gate * 18807c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 18817c478bd9Sstevel@tonic-gate * 18827c478bd9Sstevel@tonic-gate */ 18837c478bd9Sstevel@tonic-gate static int 18847c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 18857c478bd9Sstevel@tonic-gate { 18867c478bd9Sstevel@tonic-gate int i; 18877c478bd9Sstevel@tonic-gate struct secinfo *sp; 18887c478bd9Sstevel@tonic-gate 18897c478bd9Sstevel@tonic-gate /* 18907c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 18917c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 18927c478bd9Sstevel@tonic-gate */ 18937c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 18947c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 18957c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 18967c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 18977c478bd9Sstevel@tonic-gate return (1); 18987c478bd9Sstevel@tonic-gate } 18997c478bd9Sstevel@tonic-gate 19007c478bd9Sstevel@tonic-gate return (0); 19017c478bd9Sstevel@tonic-gate } 19027c478bd9Sstevel@tonic-gate 19037c478bd9Sstevel@tonic-gate /* 19047c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 19057c478bd9Sstevel@tonic-gate */ 19067c478bd9Sstevel@tonic-gate nfsstat4 19077c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 19087c478bd9Sstevel@tonic-gate { 19097c478bd9Sstevel@tonic-gate int authres; 19107c478bd9Sstevel@tonic-gate 19117c478bd9Sstevel@tonic-gate /* 19127c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 19137c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 19147c478bd9Sstevel@tonic-gate */ 19157c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 19167c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 19177c478bd9Sstevel@tonic-gate return (*cs->statusp); 19187c478bd9Sstevel@tonic-gate } 19197c478bd9Sstevel@tonic-gate 19207c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 19217c478bd9Sstevel@tonic-gate 19227c478bd9Sstevel@tonic-gate if (authres > 0) { 19237c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 19247c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 19257c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 19267c478bd9Sstevel@tonic-gate } else if (authres == 0) { 19277c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 19287c478bd9Sstevel@tonic-gate } else if (authres == -2) { 19297c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 19307c478bd9Sstevel@tonic-gate } else { 19317c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 19327c478bd9Sstevel@tonic-gate } 19337c478bd9Sstevel@tonic-gate return (*cs->statusp); 19347c478bd9Sstevel@tonic-gate } 19357c478bd9Sstevel@tonic-gate 19367c478bd9Sstevel@tonic-gate /* 19377c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 19387c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 19397c478bd9Sstevel@tonic-gate * based on the input bitmap. 19407c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 19417c478bd9Sstevel@tonic-gate */ 19427c478bd9Sstevel@tonic-gate static nfsstat4 19437c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 19447c478bd9Sstevel@tonic-gate { 19457c478bd9Sstevel@tonic-gate int i; 19467c478bd9Sstevel@tonic-gate uint_t va_mask; 19477c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 19487c478bd9Sstevel@tonic-gate 19497c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 19507c478bd9Sstevel@tonic-gate sargp->flag = 0; 19517c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 19527c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 19537c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 19547c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 19557c478bd9Sstevel@tonic-gate FH4_ATTRDIR | FH4_NAMEDATTR); 19567c478bd9Sstevel@tonic-gate else 19577c478bd9Sstevel@tonic-gate sargp->xattr = 0; 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate /* 19607c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 19617c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 19627c478bd9Sstevel@tonic-gate */ 19637c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 19647c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 19657c478bd9Sstevel@tonic-gate else 19667c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 19677c478bd9Sstevel@tonic-gate 19687c478bd9Sstevel@tonic-gate /* 19697c478bd9Sstevel@tonic-gate * generate the va_mask 19707c478bd9Sstevel@tonic-gate * Handle the easy cases first 19717c478bd9Sstevel@tonic-gate */ 19727c478bd9Sstevel@tonic-gate switch (breq) { 19737c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 19747c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 19757c478bd9Sstevel@tonic-gate return (NFS4_OK); 19767c478bd9Sstevel@tonic-gate 19777c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 19787c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 19797c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 19807c478bd9Sstevel@tonic-gate return (NFS4_OK); 19817c478bd9Sstevel@tonic-gate 19827c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 19837c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 19847c478bd9Sstevel@tonic-gate return (NFS4_OK); 19857c478bd9Sstevel@tonic-gate 19867c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 19877c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 19887c478bd9Sstevel@tonic-gate return (NFS4_OK); 19897c478bd9Sstevel@tonic-gate 19907c478bd9Sstevel@tonic-gate default: 19917c478bd9Sstevel@tonic-gate va_mask = 0; 19927c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 19937c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 19947c478bd9Sstevel@tonic-gate nfs4_ntov_map[i].vbit) 19957c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 19967c478bd9Sstevel@tonic-gate } 19977c478bd9Sstevel@tonic-gate 19987c478bd9Sstevel@tonic-gate /* 19997c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 20007c478bd9Sstevel@tonic-gate */ 20017c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 20027c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20037c478bd9Sstevel@tonic-gate 20047c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 20057c478bd9Sstevel@tonic-gate return (NFS4_OK); 20067c478bd9Sstevel@tonic-gate } 20077c478bd9Sstevel@tonic-gate /* NOTREACHED */ 20087c478bd9Sstevel@tonic-gate } 20097c478bd9Sstevel@tonic-gate 20107c478bd9Sstevel@tonic-gate /* 20117c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 20127c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 20137c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20147c478bd9Sstevel@tonic-gate */ 20157c478bd9Sstevel@tonic-gate static nfsstat4 20167c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 20177c478bd9Sstevel@tonic-gate { 20187c478bd9Sstevel@tonic-gate int error; 20197c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 20207c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 20217c478bd9Sstevel@tonic-gate 20227c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 20237c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 20247c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 20257c478bd9Sstevel@tonic-gate return (puterrno4(error)); 20267c478bd9Sstevel@tonic-gate } 20277c478bd9Sstevel@tonic-gate } 20287c478bd9Sstevel@tonic-gate 20297c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 20307c478bd9Sstevel@tonic-gate } 20317c478bd9Sstevel@tonic-gate 20327c478bd9Sstevel@tonic-gate static void 20337c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 20347c478bd9Sstevel@tonic-gate { 20357c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 20367c478bd9Sstevel@tonic-gate KM_SLEEP); 20377c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 20387c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 20397c478bd9Sstevel@tonic-gate } 20407c478bd9Sstevel@tonic-gate 20417c478bd9Sstevel@tonic-gate static void 20427c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 20437c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 20447c478bd9Sstevel@tonic-gate { 20457c478bd9Sstevel@tonic-gate int i; 20467c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 20477c478bd9Sstevel@tonic-gate uint8_t *amap; 20487c478bd9Sstevel@tonic-gate 20497c478bd9Sstevel@tonic-gate /* 20507c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 20517c478bd9Sstevel@tonic-gate */ 20527c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 20537c478bd9Sstevel@tonic-gate i < ntovp->attrcnt; i++, na++, amap++) { 20547c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 20557c478bd9Sstevel@tonic-gate NFS4ATTR_FREEIT, sargp, na); 20567c478bd9Sstevel@tonic-gate } 20577c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 20587c478bd9Sstevel@tonic-gate /* 20597c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 20607c478bd9Sstevel@tonic-gate */ 20617c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 20627c478bd9Sstevel@tonic-gate i < ntovp->attrcnt; i++, na++, amap++) { 20637c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 20647c478bd9Sstevel@tonic-gate } 20657c478bd9Sstevel@tonic-gate } 20667c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 20677c478bd9Sstevel@tonic-gate } 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate /* 20707c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 20717c478bd9Sstevel@tonic-gate */ 20727c478bd9Sstevel@tonic-gate static nfsstat4 20737c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 20747c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 20757c478bd9Sstevel@tonic-gate { 20767c478bd9Sstevel@tonic-gate int error = 0; 20777c478bd9Sstevel@tonic-gate int i, k; 20787c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 20797c478bd9Sstevel@tonic-gate XDR xdr; 20807c478bd9Sstevel@tonic-gate ulong_t xdr_size; 20817c478bd9Sstevel@tonic-gate char *xdr_attrs; 20827c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 20837c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 20847c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 20857c478bd9Sstevel@tonic-gate uint8_t *amap; 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 20887c478bd9Sstevel@tonic-gate sargp->flag = 0; 20897c478bd9Sstevel@tonic-gate 20907c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 20917c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 20927c478bd9Sstevel@tonic-gate if (breq == 0) { 20937c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 20947c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 20957c478bd9Sstevel@tonic-gate return (NFS4_OK); 20967c478bd9Sstevel@tonic-gate } 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate /* 20997c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 21007c478bd9Sstevel@tonic-gate */ 21017c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 21027c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 21037c478bd9Sstevel@tonic-gate 21047c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 21057c478bd9Sstevel@tonic-gate na = ntov.na; 21067c478bd9Sstevel@tonic-gate amap = ntov.amap; 21077c478bd9Sstevel@tonic-gate 21087c478bd9Sstevel@tonic-gate /* 21097c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 21107c478bd9Sstevel@tonic-gate */ 21117c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 21127c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 21137c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 21147c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 21157c478bd9Sstevel@tonic-gate 21167c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 21177c478bd9Sstevel@tonic-gate NFS4ATTR_GETIT, sargp, na); 21187c478bd9Sstevel@tonic-gate 21197c478bd9Sstevel@tonic-gate /* 21207c478bd9Sstevel@tonic-gate * Possible error values: 21217c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 21227c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 21237c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 21247c478bd9Sstevel@tonic-gate * attribute cannot be returned. 21257c478bd9Sstevel@tonic-gate */ 21267c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 21277c478bd9Sstevel@tonic-gate goto done; 21287c478bd9Sstevel@tonic-gate /* 21297c478bd9Sstevel@tonic-gate * If error then just for entry 21307c478bd9Sstevel@tonic-gate */ 21317c478bd9Sstevel@tonic-gate if (error == 0) { 21327c478bd9Sstevel@tonic-gate fattrp->attrmask |= 21337c478bd9Sstevel@tonic-gate nfs4_ntov_map[i].fbit; 21347c478bd9Sstevel@tonic-gate *amap++ = 21357c478bd9Sstevel@tonic-gate (uint8_t)nfs4_ntov_map[i].nval; 21367c478bd9Sstevel@tonic-gate na++; 21377c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 21387c478bd9Sstevel@tonic-gate } else if ((error > 0) && 21397c478bd9Sstevel@tonic-gate (sargp->rdattr_error == NFS4_OK)) { 21407c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 21417c478bd9Sstevel@tonic-gate } 21427c478bd9Sstevel@tonic-gate error = 0; 21437c478bd9Sstevel@tonic-gate } 21447c478bd9Sstevel@tonic-gate } 21457c478bd9Sstevel@tonic-gate } 21467c478bd9Sstevel@tonic-gate 21477c478bd9Sstevel@tonic-gate /* 21487c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 21497c478bd9Sstevel@tonic-gate * update it. 21507c478bd9Sstevel@tonic-gate */ 21517c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 21527c478bd9Sstevel@tonic-gate na = ntov.na; 21537c478bd9Sstevel@tonic-gate amap = ntov.amap; 21547c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 21557c478bd9Sstevel@tonic-gate k = *amap; 21567c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 21577c478bd9Sstevel@tonic-gate continue; 21587c478bd9Sstevel@tonic-gate } 21597c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 21607c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 21617c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 21627c478bd9Sstevel@tonic-gate 21637c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 21647c478bd9Sstevel@tonic-gate NFS4ATTR_GETIT, sargp, na); 21657c478bd9Sstevel@tonic-gate } 21667c478bd9Sstevel@tonic-gate break; 21677c478bd9Sstevel@tonic-gate } 21687c478bd9Sstevel@tonic-gate } 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate xdr_size = 0; 21717c478bd9Sstevel@tonic-gate na = ntov.na; 21727c478bd9Sstevel@tonic-gate amap = ntov.amap; 21737c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 21747c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 21757c478bd9Sstevel@tonic-gate } 21767c478bd9Sstevel@tonic-gate 21777c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 21787c478bd9Sstevel@tonic-gate if (xdr_size) { 21797c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 21807c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 21817c478bd9Sstevel@tonic-gate 21827c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 21837c478bd9Sstevel@tonic-gate 21847c478bd9Sstevel@tonic-gate na = ntov.na; 21857c478bd9Sstevel@tonic-gate amap = ntov.amap; 21867c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 21877c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 21887c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "do_rfs4_op_getattr: xdr " 21897c478bd9Sstevel@tonic-gate "encode of attribute %d failed\n", 21907c478bd9Sstevel@tonic-gate *amap); 21917c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 21927c478bd9Sstevel@tonic-gate break; 21937c478bd9Sstevel@tonic-gate } 21947c478bd9Sstevel@tonic-gate } 21957c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 21967c478bd9Sstevel@tonic-gate } else { 21977c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21987c478bd9Sstevel@tonic-gate } 21997c478bd9Sstevel@tonic-gate done: 22007c478bd9Sstevel@tonic-gate 22017c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate if (error != 0) 22047c478bd9Sstevel@tonic-gate status = puterrno4(error); 22057c478bd9Sstevel@tonic-gate 22067c478bd9Sstevel@tonic-gate return (status); 22077c478bd9Sstevel@tonic-gate } 22087c478bd9Sstevel@tonic-gate 22097c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22107c478bd9Sstevel@tonic-gate static void 22117c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 22127c478bd9Sstevel@tonic-gate struct compound_state *cs) 22137c478bd9Sstevel@tonic-gate { 22147c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 22157c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 22167c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 22177c478bd9Sstevel@tonic-gate struct statvfs64 sb; 22187c478bd9Sstevel@tonic-gate nfsstat4 status; 22197c478bd9Sstevel@tonic-gate 22207c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 22217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 22227c478bd9Sstevel@tonic-gate return; 22237c478bd9Sstevel@tonic-gate } 22247c478bd9Sstevel@tonic-gate 22257c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 22267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 22277c478bd9Sstevel@tonic-gate return; 22287c478bd9Sstevel@tonic-gate } 22297c478bd9Sstevel@tonic-gate 22307c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 22317c478bd9Sstevel@tonic-gate sarg.cs = cs; 22327c478bd9Sstevel@tonic-gate 22337c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 22347c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 22357c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 22367c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 22377c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 22387c478bd9Sstevel@tonic-gate &resp->obj_attributes, &sarg); 22397c478bd9Sstevel@tonic-gate } 22407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 22417c478bd9Sstevel@tonic-gate } 22427c478bd9Sstevel@tonic-gate 22437c478bd9Sstevel@tonic-gate static void 22447c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 22457c478bd9Sstevel@tonic-gate { 22467c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 22477c478bd9Sstevel@tonic-gate 22487c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 22497c478bd9Sstevel@tonic-gate } 22507c478bd9Sstevel@tonic-gate 22517c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22527c478bd9Sstevel@tonic-gate static void 22537c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 22547c478bd9Sstevel@tonic-gate struct compound_state *cs) 22557c478bd9Sstevel@tonic-gate { 22567c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 22577c478bd9Sstevel@tonic-gate 22587c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 22597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 22607c478bd9Sstevel@tonic-gate return; 22617c478bd9Sstevel@tonic-gate } 22627c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 22637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 22647c478bd9Sstevel@tonic-gate return; 22657c478bd9Sstevel@tonic-gate } 22667c478bd9Sstevel@tonic-gate 22677c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 22687c478bd9Sstevel@tonic-gate kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 22697c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 22707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 22717c478bd9Sstevel@tonic-gate } 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate static void 22747c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 22757c478bd9Sstevel@tonic-gate { 22767c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 22777c478bd9Sstevel@tonic-gate 22787c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 22797c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 22807c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 22817c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 22827c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 22837c478bd9Sstevel@tonic-gate } 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate 22867c478bd9Sstevel@tonic-gate /* 22877c478bd9Sstevel@tonic-gate * illegal: args: void 22887c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 22897c478bd9Sstevel@tonic-gate */ 22907c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22917c478bd9Sstevel@tonic-gate static void 22927c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 22937c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 22947c478bd9Sstevel@tonic-gate { 22957c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 22967c478bd9Sstevel@tonic-gate 22977c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 22987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 22997c478bd9Sstevel@tonic-gate } 23007c478bd9Sstevel@tonic-gate 23017c478bd9Sstevel@tonic-gate /* 23027c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 23037c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 23047c478bd9Sstevel@tonic-gate */ 23057c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23067c478bd9Sstevel@tonic-gate static void 23077c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 23087c478bd9Sstevel@tonic-gate struct compound_state *cs) 23097c478bd9Sstevel@tonic-gate { 23107c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 23117c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 23127c478bd9Sstevel@tonic-gate int error; 23137c478bd9Sstevel@tonic-gate vnode_t *vp; 23147c478bd9Sstevel@tonic-gate vnode_t *dvp; 23157c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 23167c478bd9Sstevel@tonic-gate char *nm; 23177c478bd9Sstevel@tonic-gate uint_t len; 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 23207c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 23217c478bd9Sstevel@tonic-gate if (vp == NULL) { 23227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 23237c478bd9Sstevel@tonic-gate return; 23247c478bd9Sstevel@tonic-gate } 23257c478bd9Sstevel@tonic-gate 23267c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 23277c478bd9Sstevel@tonic-gate dvp = cs->vp; 23287c478bd9Sstevel@tonic-gate if (dvp == NULL) { 23297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 23307c478bd9Sstevel@tonic-gate return; 23317c478bd9Sstevel@tonic-gate } 23327c478bd9Sstevel@tonic-gate 23337c478bd9Sstevel@tonic-gate /* 23347c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 23357c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 23367c478bd9Sstevel@tonic-gate */ 23377c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 23387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 23397c478bd9Sstevel@tonic-gate return; 23407c478bd9Sstevel@tonic-gate } 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 23447c478bd9Sstevel@tonic-gate return; 23457c478bd9Sstevel@tonic-gate } 23467c478bd9Sstevel@tonic-gate 23477c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 23487c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 23497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 23507c478bd9Sstevel@tonic-gate return; 23517c478bd9Sstevel@tonic-gate } 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate /* Check target directory's type */ 23547c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 23557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 23567c478bd9Sstevel@tonic-gate return; 23577c478bd9Sstevel@tonic-gate } 23587c478bd9Sstevel@tonic-gate 23597c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 23607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 23617c478bd9Sstevel@tonic-gate return; 23627c478bd9Sstevel@tonic-gate } 23637c478bd9Sstevel@tonic-gate 23647c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 23657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 23667c478bd9Sstevel@tonic-gate return; 23677c478bd9Sstevel@tonic-gate } 23687c478bd9Sstevel@tonic-gate 23697c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 23707c478bd9Sstevel@tonic-gate if (nm == NULL) { 23717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 23727c478bd9Sstevel@tonic-gate return; 23737c478bd9Sstevel@tonic-gate } 23747c478bd9Sstevel@tonic-gate 23757c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 23767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 23777c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23787c478bd9Sstevel@tonic-gate return; 23797c478bd9Sstevel@tonic-gate } 23807c478bd9Sstevel@tonic-gate 23817c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 23827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 23837c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23847c478bd9Sstevel@tonic-gate return; 23857c478bd9Sstevel@tonic-gate } 23867c478bd9Sstevel@tonic-gate 23877c478bd9Sstevel@tonic-gate /* Get "before" change value */ 23887c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 23897c478bd9Sstevel@tonic-gate error = VOP_GETATTR(dvp, &bdva, 0, cs->cr); 23907c478bd9Sstevel@tonic-gate if (error) { 23917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 23927c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23937c478bd9Sstevel@tonic-gate return; 23947c478bd9Sstevel@tonic-gate } 23957c478bd9Sstevel@tonic-gate 23967c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 23977c478bd9Sstevel@tonic-gate 23987c478bd9Sstevel@tonic-gate error = VOP_LINK(dvp, vp, nm, cs->cr); 23997c478bd9Sstevel@tonic-gate 24007c478bd9Sstevel@tonic-gate kmem_free(nm, len); 24017c478bd9Sstevel@tonic-gate 24027c478bd9Sstevel@tonic-gate /* 24037c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 24047c478bd9Sstevel@tonic-gate */ 24057c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 24067c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &idva, 0, cs->cr)) 24077c478bd9Sstevel@tonic-gate idva.va_seq = 0; 24087c478bd9Sstevel@tonic-gate 24097c478bd9Sstevel@tonic-gate /* 24107c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 24117c478bd9Sstevel@tonic-gate */ 24127c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(vp, FNODSYNC, cs->cr); 24137c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(dvp, 0, cs->cr); 24147c478bd9Sstevel@tonic-gate 24157c478bd9Sstevel@tonic-gate if (error) { 24167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 24177c478bd9Sstevel@tonic-gate return; 24187c478bd9Sstevel@tonic-gate } 24197c478bd9Sstevel@tonic-gate 24207c478bd9Sstevel@tonic-gate /* 24217c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 24227c478bd9Sstevel@tonic-gate * before value. 24237c478bd9Sstevel@tonic-gate */ 24247c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 24257c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &adva, 0, cs->cr)) { 24267c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 24277c478bd9Sstevel@tonic-gate adva.va_seq = 0; 24287c478bd9Sstevel@tonic-gate } 24297c478bd9Sstevel@tonic-gate 24307c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 24317c478bd9Sstevel@tonic-gate 24327c478bd9Sstevel@tonic-gate /* 24337c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 24347c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 24357c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 24367c478bd9Sstevel@tonic-gate */ 24377c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 24387c478bd9Sstevel@tonic-gate idva.va_seq == (bdva.va_seq + 1) && 24397c478bd9Sstevel@tonic-gate idva.va_seq == adva.va_seq) 24407c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 24417c478bd9Sstevel@tonic-gate else 24427c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 24437c478bd9Sstevel@tonic-gate 24447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 24457c478bd9Sstevel@tonic-gate } 24467c478bd9Sstevel@tonic-gate 24477c478bd9Sstevel@tonic-gate /* 24487c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 24497c478bd9Sstevel@tonic-gate */ 24507c478bd9Sstevel@tonic-gate 24517c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24527c478bd9Sstevel@tonic-gate static nfsstat4 24537c478bd9Sstevel@tonic-gate do_rfs4_op_lookup(char *nm, uint_t buflen, struct svc_req *req, 24547c478bd9Sstevel@tonic-gate struct compound_state *cs) 24557c478bd9Sstevel@tonic-gate { 24567c478bd9Sstevel@tonic-gate int error; 24577c478bd9Sstevel@tonic-gate int different_export = 0; 24587c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 24597c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 24607c478bd9Sstevel@tonic-gate nfsstat4 stat; 24617c478bd9Sstevel@tonic-gate fid_t fid; 24627c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 24637c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 24647c478bd9Sstevel@tonic-gate 24657c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 24667c478bd9Sstevel@tonic-gate attrdir = 1; 24677c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 24687c478bd9Sstevel@tonic-gate } else { 24697c478bd9Sstevel@tonic-gate attrdir = 0; 24707c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 24717c478bd9Sstevel@tonic-gate } 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 24747c478bd9Sstevel@tonic-gate 24757c478bd9Sstevel@tonic-gate /* 24767c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 24777c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 24787c478bd9Sstevel@tonic-gate * export point. 24797c478bd9Sstevel@tonic-gate */ 24807c478bd9Sstevel@tonic-gate if (dotdot) { 24817c478bd9Sstevel@tonic-gate 24827c478bd9Sstevel@tonic-gate /* 24837c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 24847c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 24857c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 24867c478bd9Sstevel@tonic-gate */ 24877c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 24887c478bd9Sstevel@tonic-gate 24897c478bd9Sstevel@tonic-gate /* 24907c478bd9Sstevel@tonic-gate * If at the system root, then can 24917c478bd9Sstevel@tonic-gate * go up no further. 24927c478bd9Sstevel@tonic-gate */ 24937c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 24947c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 24957c478bd9Sstevel@tonic-gate 24967c478bd9Sstevel@tonic-gate /* 24977c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 24987c478bd9Sstevel@tonic-gate */ 24997c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 25007c478bd9Sstevel@tonic-gate 25017c478bd9Sstevel@tonic-gate /* 25027c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 25037c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 25047c478bd9Sstevel@tonic-gate * this new filesystem. 25057c478bd9Sstevel@tonic-gate */ 25067c478bd9Sstevel@tonic-gate different_export = 1; 25077c478bd9Sstevel@tonic-gate } else { 25087c478bd9Sstevel@tonic-gate 25097c478bd9Sstevel@tonic-gate /* 25107c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 25117c478bd9Sstevel@tonic-gate * the different_export to get new export info. 25127c478bd9Sstevel@tonic-gate */ 25137c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 25147c478bd9Sstevel@tonic-gate } 25157c478bd9Sstevel@tonic-gate } 25167c478bd9Sstevel@tonic-gate 25177c478bd9Sstevel@tonic-gate error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr); 25187c478bd9Sstevel@tonic-gate if (error) 25197c478bd9Sstevel@tonic-gate return (puterrno4(error)); 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate /* 25227c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 25237c478bd9Sstevel@tonic-gate * 25247c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 25257c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 25267c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 25277c478bd9Sstevel@tonic-gate * from V2/V3. 25287c478bd9Sstevel@tonic-gate * 25297c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 25307c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 25317c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 25327c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 25337c478bd9Sstevel@tonic-gate */ 25347c478bd9Sstevel@tonic-gate if (!different_export && 25357c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 25367c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 25377c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 25387c478bd9Sstevel@tonic-gate VN_RELE(vp); 25397c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 25407c478bd9Sstevel@tonic-gate } 25417c478bd9Sstevel@tonic-gate } 25427c478bd9Sstevel@tonic-gate 25437c478bd9Sstevel@tonic-gate /* 25447c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 25457c478bd9Sstevel@tonic-gate */ 25467c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 25477c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 25487c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 25497c478bd9Sstevel@tonic-gate 25507c478bd9Sstevel@tonic-gate /* 25517c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 25527c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 25537c478bd9Sstevel@tonic-gate */ 25547c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 25557c478bd9Sstevel@tonic-gate tvp = vp; 25567c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 25577c478bd9Sstevel@tonic-gate VN_RELE(vp); 25587c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 25597c478bd9Sstevel@tonic-gate return (puterrno4(error)); 25607c478bd9Sstevel@tonic-gate } 25617c478bd9Sstevel@tonic-gate vp = tvp; 25627c478bd9Sstevel@tonic-gate different_export = 1; 25637c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 25647c478bd9Sstevel@tonic-gate /* 25657c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 25667c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 25677c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 25687c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 25697c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 25707c478bd9Sstevel@tonic-gate * vfs ptrs. 25717c478bd9Sstevel@tonic-gate */ 25727c478bd9Sstevel@tonic-gate different_export = 1; 25737c478bd9Sstevel@tonic-gate } 25747c478bd9Sstevel@tonic-gate 25757c478bd9Sstevel@tonic-gate if (different_export) { 25767c478bd9Sstevel@tonic-gate 25777c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 25787c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 25797c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 25807c478bd9Sstevel@tonic-gate if (error) { 25817c478bd9Sstevel@tonic-gate VN_RELE(vp); 25827c478bd9Sstevel@tonic-gate if (pre_tvp) 25837c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 25847c478bd9Sstevel@tonic-gate return (puterrno4(error)); 25857c478bd9Sstevel@tonic-gate } 25867c478bd9Sstevel@tonic-gate 25877c478bd9Sstevel@tonic-gate if (dotdot) 25887c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 25897c478bd9Sstevel@tonic-gate else 25907c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 25917c478bd9Sstevel@tonic-gate 25927c478bd9Sstevel@tonic-gate if (exi == NULL) { 25937c478bd9Sstevel@tonic-gate if (pre_tvp) { 25947c478bd9Sstevel@tonic-gate /* 25957c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 25967c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 25977c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 25987c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 25997c478bd9Sstevel@tonic-gate * the mounted-on file system. 26007c478bd9Sstevel@tonic-gate */ 26017c478bd9Sstevel@tonic-gate VN_RELE(vp); 26027c478bd9Sstevel@tonic-gate vp = pre_tvp; 26037c478bd9Sstevel@tonic-gate exi = pre_exi; 26047c478bd9Sstevel@tonic-gate } else { 26057c478bd9Sstevel@tonic-gate VN_RELE(vp); 26067c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 26077c478bd9Sstevel@tonic-gate } 26087c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 26097c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 26107c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 26117c478bd9Sstevel@tonic-gate } 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate cs->exi = exi; 26147c478bd9Sstevel@tonic-gate 26157c478bd9Sstevel@tonic-gate /* 26167c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 26177c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 26187c478bd9Sstevel@tonic-gate * exported file system, and if he does, 26197c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 26207c478bd9Sstevel@tonic-gate * 26217c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 26227c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 26237c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 26247c478bd9Sstevel@tonic-gate * checkauth4() 26257c478bd9Sstevel@tonic-gate */ 26267c478bd9Sstevel@tonic-gate crfree(cs->cr); 26277c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 26287c478bd9Sstevel@tonic-gate 26297c478bd9Sstevel@tonic-gate if (cs->vp) 26307c478bd9Sstevel@tonic-gate oldvp = cs->vp; 26317c478bd9Sstevel@tonic-gate cs->vp = vp; 26327c478bd9Sstevel@tonic-gate is_newvp = TRUE; 26337c478bd9Sstevel@tonic-gate 26347c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 26357c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 26367c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 26377c478bd9Sstevel@tonic-gate cs->vp = oldvp; 26387c478bd9Sstevel@tonic-gate return (stat); 26397c478bd9Sstevel@tonic-gate } 26407c478bd9Sstevel@tonic-gate } 26417c478bd9Sstevel@tonic-gate 264245916cd2Sjpk /* 264345916cd2Sjpk * After various NFS checks, do a label check on the path 264445916cd2Sjpk * component. The label on this path should either be the 264545916cd2Sjpk * global zone's label or a zone's label. We are only 264645916cd2Sjpk * interested in the zone's label because exported files 264745916cd2Sjpk * in global zone is accessible (though read-only) to 264845916cd2Sjpk * clients. The exportability/visibility check is already 264945916cd2Sjpk * done before reaching this code. 265045916cd2Sjpk */ 265145916cd2Sjpk if (is_system_labeled()) { 265245916cd2Sjpk bslabel_t *clabel; 265345916cd2Sjpk 265445916cd2Sjpk ASSERT(req->rq_label != NULL); 265545916cd2Sjpk clabel = req->rq_label; 265645916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 265745916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 265845916cd2Sjpk 265945916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 266045916cd2Sjpk if (!do_rfs4_label_check(clabel, vp, DOMINANCE_CHECK)) { 266145916cd2Sjpk error = EACCES; 266245916cd2Sjpk goto err_out; 266345916cd2Sjpk } 266445916cd2Sjpk } else { 266545916cd2Sjpk /* 266645916cd2Sjpk * We grant access to admin_low label clients 266745916cd2Sjpk * only if the client is trusted, i.e. also 266845916cd2Sjpk * running Solaris Trusted Extension. 266945916cd2Sjpk */ 267045916cd2Sjpk struct sockaddr *ca; 267145916cd2Sjpk int addr_type; 267245916cd2Sjpk void *ipaddr; 267345916cd2Sjpk tsol_tpc_t *tp; 267445916cd2Sjpk 267545916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 267645916cd2Sjpk req->rq_xprt)->buf; 267745916cd2Sjpk if (ca->sa_family == AF_INET) { 267845916cd2Sjpk addr_type = IPV4_VERSION; 267945916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 268045916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 268145916cd2Sjpk addr_type = IPV6_VERSION; 268245916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 268345916cd2Sjpk ca)->sin6_addr; 268445916cd2Sjpk } 268545916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 268645916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 268745916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 268845916cd2Sjpk SUN_CIPSO) { 268945916cd2Sjpk error = EACCES; 269045916cd2Sjpk goto err_out; 269145916cd2Sjpk } 269245916cd2Sjpk } 269345916cd2Sjpk } 269445916cd2Sjpk 26957c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 26967c478bd9Sstevel@tonic-gate 269745916cd2Sjpk err_out: 26987c478bd9Sstevel@tonic-gate if (error) { 26997c478bd9Sstevel@tonic-gate if (is_newvp) { 27007c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27017c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27027c478bd9Sstevel@tonic-gate } else 27037c478bd9Sstevel@tonic-gate VN_RELE(vp); 27047c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27057c478bd9Sstevel@tonic-gate } 27067c478bd9Sstevel@tonic-gate 27077c478bd9Sstevel@tonic-gate if (!is_newvp) { 27087c478bd9Sstevel@tonic-gate if (cs->vp) 27097c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27107c478bd9Sstevel@tonic-gate cs->vp = vp; 27117c478bd9Sstevel@tonic-gate } else if (oldvp) 27127c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 27137c478bd9Sstevel@tonic-gate 27147c478bd9Sstevel@tonic-gate /* 27157c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 27167c478bd9Sstevel@tonic-gate * attr fh flag 27177c478bd9Sstevel@tonic-gate */ 27187c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 27197c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 27207c478bd9Sstevel@tonic-gate 27217c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 27227c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 27237c478bd9Sstevel@tonic-gate 27247c478bd9Sstevel@tonic-gate return (NFS4_OK); 27257c478bd9Sstevel@tonic-gate } 27267c478bd9Sstevel@tonic-gate 27277c478bd9Sstevel@tonic-gate /* ARGSUSED */ 27287c478bd9Sstevel@tonic-gate static void 27297c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 27307c478bd9Sstevel@tonic-gate struct compound_state *cs) 27317c478bd9Sstevel@tonic-gate { 27327c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 27337c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 27347c478bd9Sstevel@tonic-gate char *nm; 27357c478bd9Sstevel@tonic-gate uint_t len; 27367c478bd9Sstevel@tonic-gate 27377c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 27387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 27397c478bd9Sstevel@tonic-gate return; 27407c478bd9Sstevel@tonic-gate } 27417c478bd9Sstevel@tonic-gate 27427c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 27437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 27447c478bd9Sstevel@tonic-gate return; 27457c478bd9Sstevel@tonic-gate } 27467c478bd9Sstevel@tonic-gate 27477c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 27487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 27497c478bd9Sstevel@tonic-gate return; 27507c478bd9Sstevel@tonic-gate } 27517c478bd9Sstevel@tonic-gate 27527c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 27537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 27547c478bd9Sstevel@tonic-gate return; 27557c478bd9Sstevel@tonic-gate } 27567c478bd9Sstevel@tonic-gate 27577c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 27587c478bd9Sstevel@tonic-gate if (nm == NULL) { 27597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 27607c478bd9Sstevel@tonic-gate return; 27617c478bd9Sstevel@tonic-gate } 27627c478bd9Sstevel@tonic-gate 27637c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 27647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 27657c478bd9Sstevel@tonic-gate kmem_free(nm, len); 27667c478bd9Sstevel@tonic-gate return; 27677c478bd9Sstevel@tonic-gate } 27687c478bd9Sstevel@tonic-gate 27697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup(nm, len, req, cs); 27707c478bd9Sstevel@tonic-gate 27717c478bd9Sstevel@tonic-gate kmem_free(nm, len); 27727c478bd9Sstevel@tonic-gate } 27737c478bd9Sstevel@tonic-gate 27747c478bd9Sstevel@tonic-gate /* ARGSUSED */ 27757c478bd9Sstevel@tonic-gate static void 27767c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 27777c478bd9Sstevel@tonic-gate struct compound_state *cs) 27787c478bd9Sstevel@tonic-gate { 27797c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 27807c478bd9Sstevel@tonic-gate 27817c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 27827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 27837c478bd9Sstevel@tonic-gate return; 27847c478bd9Sstevel@tonic-gate } 27857c478bd9Sstevel@tonic-gate 27867c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 27877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 27887c478bd9Sstevel@tonic-gate return; 27897c478bd9Sstevel@tonic-gate } 27907c478bd9Sstevel@tonic-gate 27917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup("..", 3, req, cs); 27927c478bd9Sstevel@tonic-gate 27937c478bd9Sstevel@tonic-gate /* 27947c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 27957c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 27967c478bd9Sstevel@tonic-gate */ 27977c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 27987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 27997c478bd9Sstevel@tonic-gate } 28007c478bd9Sstevel@tonic-gate } 28017c478bd9Sstevel@tonic-gate 28027c478bd9Sstevel@tonic-gate 28037c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 28047c478bd9Sstevel@tonic-gate static void 28057c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 28067c478bd9Sstevel@tonic-gate struct compound_state *cs) 28077c478bd9Sstevel@tonic-gate { 28087c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 28097c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 28107c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 28117c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 28127c478bd9Sstevel@tonic-gate int exp_ro = 0; 28137c478bd9Sstevel@tonic-gate 28147c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 28157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 28167c478bd9Sstevel@tonic-gate return; 28177c478bd9Sstevel@tonic-gate } 28187c478bd9Sstevel@tonic-gate 28197c478bd9Sstevel@tonic-gate /* 28207c478bd9Sstevel@tonic-gate * Make a couple of checks made by copen() 28217c478bd9Sstevel@tonic-gate * 28227c478bd9Sstevel@tonic-gate * Check to make sure underlying fs supports xattrs. This 28237c478bd9Sstevel@tonic-gate * is required because solaris filesystem implementations 28247c478bd9Sstevel@tonic-gate * (UFS/TMPFS) don't enforce the noxattr mount option 28257c478bd9Sstevel@tonic-gate * in VOP_LOOKUP(LOOKUP_XATTR). If fs doesn't support this 28267c478bd9Sstevel@tonic-gate * pathconf cmd or if fs supports cmd but doesn't claim 28277c478bd9Sstevel@tonic-gate * support for xattr, return NOTSUPP. It would be better 28287c478bd9Sstevel@tonic-gate * to use VOP_PATHCONF( _PC_XATTR_ENABLED) for this; however, 28297c478bd9Sstevel@tonic-gate * that cmd is not available to VOP_PATHCONF interface 28307c478bd9Sstevel@tonic-gate * (it's only implemented inside pathconf syscall)... 28317c478bd9Sstevel@tonic-gate * 28327c478bd9Sstevel@tonic-gate * Verify permission to put attributes on files (access 28337c478bd9Sstevel@tonic-gate * checks from copen). 28347c478bd9Sstevel@tonic-gate */ 28357c478bd9Sstevel@tonic-gate 28367c478bd9Sstevel@tonic-gate if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0) { 28377c478bd9Sstevel@tonic-gate error = ENOTSUP; 28387c478bd9Sstevel@tonic-gate goto error_out; 28397c478bd9Sstevel@tonic-gate } 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate if ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr) != 0) && 28427c478bd9Sstevel@tonic-gate (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr) != 0) && 28437c478bd9Sstevel@tonic-gate (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr) != 0)) { 28447c478bd9Sstevel@tonic-gate error = EACCES; 28457c478bd9Sstevel@tonic-gate goto error_out; 28467c478bd9Sstevel@tonic-gate } 28477c478bd9Sstevel@tonic-gate 28487c478bd9Sstevel@tonic-gate /* 28497c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 28507c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 28517c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 28527c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 28537c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 28547c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 28557c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 28567c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 28577c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 28587c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 28597c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 28607c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 28617c478bd9Sstevel@tonic-gate */ 28627c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 28637c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 28647c478bd9Sstevel@tonic-gate 28657c478bd9Sstevel@tonic-gate error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr); 28667c478bd9Sstevel@tonic-gate 28677c478bd9Sstevel@tonic-gate if (error) { 28687c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 28697c478bd9Sstevel@tonic-gate error = EROFS; 28707c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 28717c478bd9Sstevel@tonic-gate error = ENOTSUP; 28727c478bd9Sstevel@tonic-gate goto error_out; 28737c478bd9Sstevel@tonic-gate } 28747c478bd9Sstevel@tonic-gate 28757c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 28787c478bd9Sstevel@tonic-gate 28797c478bd9Sstevel@tonic-gate if (error) { 28807c478bd9Sstevel@tonic-gate VN_RELE(avp); 28817c478bd9Sstevel@tonic-gate goto error_out; 28827c478bd9Sstevel@tonic-gate } 28837c478bd9Sstevel@tonic-gate 28847c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28857c478bd9Sstevel@tonic-gate cs->vp = avp; 28867c478bd9Sstevel@tonic-gate 28877c478bd9Sstevel@tonic-gate /* 28887c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 28897c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 28907c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 28917c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 28927c478bd9Sstevel@tonic-gate */ 28937c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 28947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 28957c478bd9Sstevel@tonic-gate return; 28967c478bd9Sstevel@tonic-gate 28977c478bd9Sstevel@tonic-gate error_out: 28987c478bd9Sstevel@tonic-gate 28997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 29007c478bd9Sstevel@tonic-gate } 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate static int 29037c478bd9Sstevel@tonic-gate do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred) 29047c478bd9Sstevel@tonic-gate { 29057c478bd9Sstevel@tonic-gate int error; 29067c478bd9Sstevel@tonic-gate int i; 29077c478bd9Sstevel@tonic-gate clock_t delaytime; 29087c478bd9Sstevel@tonic-gate caller_context_t ct; 29097c478bd9Sstevel@tonic-gate 29107c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 29117c478bd9Sstevel@tonic-gate 29127c478bd9Sstevel@tonic-gate /* 29137c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 29147c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 29157c478bd9Sstevel@tonic-gate */ 29167c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 29177c478bd9Sstevel@tonic-gate 29187c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 29197c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 29207c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 29217c478bd9Sstevel@tonic-gate 29227c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 29237c478bd9Sstevel@tonic-gate 29247c478bd9Sstevel@tonic-gate 29257c478bd9Sstevel@tonic-gate if (direction == FREAD) { 29267c478bd9Sstevel@tonic-gate (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, &ct); 29277c478bd9Sstevel@tonic-gate error = VOP_READ(vp, uio, ioflag, cred, &ct); 29287c478bd9Sstevel@tonic-gate VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, &ct); 29297c478bd9Sstevel@tonic-gate } else { 29307c478bd9Sstevel@tonic-gate (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, &ct); 29317c478bd9Sstevel@tonic-gate error = VOP_WRITE(vp, uio, ioflag, cred, &ct); 29327c478bd9Sstevel@tonic-gate VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, &ct); 29337c478bd9Sstevel@tonic-gate } 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate if (error != EAGAIN) 29367c478bd9Sstevel@tonic-gate break; 29377c478bd9Sstevel@tonic-gate 29387c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 29397c478bd9Sstevel@tonic-gate delay(delaytime); 29407c478bd9Sstevel@tonic-gate delaytime *= 2; 29417c478bd9Sstevel@tonic-gate } 29427c478bd9Sstevel@tonic-gate } 29437c478bd9Sstevel@tonic-gate 29447c478bd9Sstevel@tonic-gate return (error); 29457c478bd9Sstevel@tonic-gate } 29467c478bd9Sstevel@tonic-gate 29477c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29487c478bd9Sstevel@tonic-gate static void 29497c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 29507c478bd9Sstevel@tonic-gate struct compound_state *cs) 29517c478bd9Sstevel@tonic-gate { 29527c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 29537c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 29547c478bd9Sstevel@tonic-gate int error; 29557c478bd9Sstevel@tonic-gate int verror; 29567c478bd9Sstevel@tonic-gate vnode_t *vp; 29577c478bd9Sstevel@tonic-gate struct vattr va; 29587c478bd9Sstevel@tonic-gate struct iovec iov; 29597c478bd9Sstevel@tonic-gate struct uio uio; 29607c478bd9Sstevel@tonic-gate u_offset_t offset; 29617c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 29627c478bd9Sstevel@tonic-gate nfsstat4 stat; 29637c478bd9Sstevel@tonic-gate int in_crit = 0; 29647c478bd9Sstevel@tonic-gate mblk_t *mp; 29657c478bd9Sstevel@tonic-gate int alloc_err = 0; 29667c478bd9Sstevel@tonic-gate 29677c478bd9Sstevel@tonic-gate vp = cs->vp; 29687c478bd9Sstevel@tonic-gate if (vp == NULL) { 29697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 29707c478bd9Sstevel@tonic-gate return; 29717c478bd9Sstevel@tonic-gate } 29727c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 29737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 29747c478bd9Sstevel@tonic-gate return; 29757c478bd9Sstevel@tonic-gate } 29767c478bd9Sstevel@tonic-gate 29777c478bd9Sstevel@tonic-gate /* 29787c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 29797c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 29807c478bd9Sstevel@tonic-gate */ 29817c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 29827c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 29837c478bd9Sstevel@tonic-gate in_crit = 1; 29847c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0)) { 29857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 29867c478bd9Sstevel@tonic-gate goto out; 29877c478bd9Sstevel@tonic-gate } 29887c478bd9Sstevel@tonic-gate } 29897c478bd9Sstevel@tonic-gate 29907c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 29917c478bd9Sstevel@tonic-gate deleg, TRUE)) != NFS4_OK) { 29927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 29937c478bd9Sstevel@tonic-gate goto out; 29947c478bd9Sstevel@tonic-gate } 29957c478bd9Sstevel@tonic-gate 29967c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 29977c478bd9Sstevel@tonic-gate verror = VOP_GETATTR(vp, &va, 0, cs->cr); 29987c478bd9Sstevel@tonic-gate 29997c478bd9Sstevel@tonic-gate /* 30007c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 30017c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 30027c478bd9Sstevel@tonic-gate */ 30037c478bd9Sstevel@tonic-gate if (verror) { 30047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 30057c478bd9Sstevel@tonic-gate goto out; 30067c478bd9Sstevel@tonic-gate } 30077c478bd9Sstevel@tonic-gate 30087c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 30097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 30107c478bd9Sstevel@tonic-gate ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 30117c478bd9Sstevel@tonic-gate goto out; 30127c478bd9Sstevel@tonic-gate } 30137c478bd9Sstevel@tonic-gate 30147c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 30157c478bd9Sstevel@tonic-gate (error = VOP_ACCESS(vp, VREAD, 0, cs->cr)) && 30167c478bd9Sstevel@tonic-gate (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr))) { 30177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 30187c478bd9Sstevel@tonic-gate goto out; 30197c478bd9Sstevel@tonic-gate } 30207c478bd9Sstevel@tonic-gate 30217c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 30227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 30237c478bd9Sstevel@tonic-gate goto out; 30247c478bd9Sstevel@tonic-gate } 30257c478bd9Sstevel@tonic-gate 30267c478bd9Sstevel@tonic-gate offset = args->offset; 30277c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 30287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30297c478bd9Sstevel@tonic-gate resp->eof = TRUE; 30307c478bd9Sstevel@tonic-gate resp->data_len = 0; 30317c478bd9Sstevel@tonic-gate resp->data_val = NULL; 30327c478bd9Sstevel@tonic-gate resp->mblk = NULL; 30337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30347c478bd9Sstevel@tonic-gate goto out; 30357c478bd9Sstevel@tonic-gate } 30367c478bd9Sstevel@tonic-gate 30377c478bd9Sstevel@tonic-gate if (args->count == 0) { 30387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30397c478bd9Sstevel@tonic-gate resp->eof = FALSE; 30407c478bd9Sstevel@tonic-gate resp->data_len = 0; 30417c478bd9Sstevel@tonic-gate resp->data_val = NULL; 30427c478bd9Sstevel@tonic-gate resp->mblk = NULL; 30437c478bd9Sstevel@tonic-gate goto out; 30447c478bd9Sstevel@tonic-gate } 30457c478bd9Sstevel@tonic-gate 30467c478bd9Sstevel@tonic-gate /* 30477c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 30487c478bd9Sstevel@tonic-gate * transfer size 30497c478bd9Sstevel@tonic-gate */ 30507c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 30517c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 30527c478bd9Sstevel@tonic-gate 30537c478bd9Sstevel@tonic-gate /* 30547c478bd9Sstevel@tonic-gate * mp will contain the data to be sent out in the read reply. 30557c478bd9Sstevel@tonic-gate * It will be freed after the reply has been sent. 30567c478bd9Sstevel@tonic-gate * Let's roundup the data to a BYTES_PER_XDR_UNIT multiple, 30577c478bd9Sstevel@tonic-gate * so that the call to xdrmblk_putmblk() never fails. 30587c478bd9Sstevel@tonic-gate * If the first alloc of the requested size fails, then 30597c478bd9Sstevel@tonic-gate * decrease the size to something more reasonable and wait 30607c478bd9Sstevel@tonic-gate * for the allocation to occur. 30617c478bd9Sstevel@tonic-gate */ 30627c478bd9Sstevel@tonic-gate mp = allocb(RNDUP(args->count), BPRI_MED); 30637c478bd9Sstevel@tonic-gate if (mp == NULL) { 30647c478bd9Sstevel@tonic-gate if (args->count > MAXBSIZE) 30657c478bd9Sstevel@tonic-gate args->count = MAXBSIZE; 30667c478bd9Sstevel@tonic-gate mp = allocb_wait(RNDUP(args->count), BPRI_MED, 30677c478bd9Sstevel@tonic-gate STR_NOSIG, &alloc_err); 30687c478bd9Sstevel@tonic-gate } 30697c478bd9Sstevel@tonic-gate ASSERT(mp != NULL); 30707c478bd9Sstevel@tonic-gate ASSERT(alloc_err == 0); 30717c478bd9Sstevel@tonic-gate 30727c478bd9Sstevel@tonic-gate iov.iov_base = (caddr_t)mp->b_datap->db_base; 30737c478bd9Sstevel@tonic-gate iov.iov_len = args->count; 30747c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 30757c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 30767c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 30777c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 30787c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 30797c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 30807c478bd9Sstevel@tonic-gate 30817c478bd9Sstevel@tonic-gate error = do_io(FREAD, vp, &uio, 0, cs->cr); 30827c478bd9Sstevel@tonic-gate 30837c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 30847c478bd9Sstevel@tonic-gate verror = VOP_GETATTR(vp, &va, 0, cs->cr); 30857c478bd9Sstevel@tonic-gate 30867c478bd9Sstevel@tonic-gate if (error) { 30877c478bd9Sstevel@tonic-gate freeb(mp); 30887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 30897c478bd9Sstevel@tonic-gate goto out; 30907c478bd9Sstevel@tonic-gate } 30917c478bd9Sstevel@tonic-gate 30927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30937c478bd9Sstevel@tonic-gate 30947c478bd9Sstevel@tonic-gate ASSERT(uio.uio_resid >= 0); 30957c478bd9Sstevel@tonic-gate resp->data_len = args->count - uio.uio_resid; 30967c478bd9Sstevel@tonic-gate resp->data_val = (char *)mp->b_datap->db_base; 30977c478bd9Sstevel@tonic-gate resp->mblk = mp; 30987c478bd9Sstevel@tonic-gate 30997c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 31007c478bd9Sstevel@tonic-gate resp->eof = TRUE; 31017c478bd9Sstevel@tonic-gate else 31027c478bd9Sstevel@tonic-gate resp->eof = FALSE; 31037c478bd9Sstevel@tonic-gate 31047c478bd9Sstevel@tonic-gate out: 31057c478bd9Sstevel@tonic-gate if (in_crit) 31067c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 31077c478bd9Sstevel@tonic-gate } 31087c478bd9Sstevel@tonic-gate 31097c478bd9Sstevel@tonic-gate static void 31107c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 31117c478bd9Sstevel@tonic-gate { 31127c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 31137c478bd9Sstevel@tonic-gate 31147c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 31157c478bd9Sstevel@tonic-gate freeb(resp->mblk); 31167c478bd9Sstevel@tonic-gate resp->mblk = NULL; 31177c478bd9Sstevel@tonic-gate resp->data_val = NULL; 31187c478bd9Sstevel@tonic-gate resp->data_len = 0; 31197c478bd9Sstevel@tonic-gate } 31207c478bd9Sstevel@tonic-gate } 31217c478bd9Sstevel@tonic-gate 31227c478bd9Sstevel@tonic-gate static void 31237c478bd9Sstevel@tonic-gate rfs4_op_readdir_free(nfs_resop4 *resop) 31247c478bd9Sstevel@tonic-gate { 31257c478bd9Sstevel@tonic-gate READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 31267c478bd9Sstevel@tonic-gate 31277c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 31287c478bd9Sstevel@tonic-gate freeb(resp->mblk); 31297c478bd9Sstevel@tonic-gate resp->mblk = NULL; 31307c478bd9Sstevel@tonic-gate resp->data_len = 0; 31317c478bd9Sstevel@tonic-gate } 31327c478bd9Sstevel@tonic-gate } 31337c478bd9Sstevel@tonic-gate 31347c478bd9Sstevel@tonic-gate 31357c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31367c478bd9Sstevel@tonic-gate static void 31377c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 31387c478bd9Sstevel@tonic-gate struct compound_state *cs) 31397c478bd9Sstevel@tonic-gate { 31407c478bd9Sstevel@tonic-gate PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 31417c478bd9Sstevel@tonic-gate int error; 31427c478bd9Sstevel@tonic-gate vnode_t *vp; 31437c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 31447c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 31457c478bd9Sstevel@tonic-gate 31467c478bd9Sstevel@tonic-gate if (cs->vp) { 31477c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 31487c478bd9Sstevel@tonic-gate cs->vp = NULL; 31497c478bd9Sstevel@tonic-gate } 31507c478bd9Sstevel@tonic-gate 31517c478bd9Sstevel@tonic-gate if (cs->cr) 31527c478bd9Sstevel@tonic-gate crfree(cs->cr); 31537c478bd9Sstevel@tonic-gate 31547c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 31557c478bd9Sstevel@tonic-gate 31567c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 31577c478bd9Sstevel@tonic-gate if (vp == NULL) { 31587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 31597c478bd9Sstevel@tonic-gate return; 31607c478bd9Sstevel@tonic-gate } 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 31637c478bd9Sstevel@tonic-gate if (error != 0) { 31647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 31657c478bd9Sstevel@tonic-gate return; 31667c478bd9Sstevel@tonic-gate } 31677c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 31687c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 31697c478bd9Sstevel@tonic-gate /* 31707c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 31717c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 31727c478bd9Sstevel@tonic-gate * is exported. 31737c478bd9Sstevel@tonic-gate */ 31747c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 31757c478bd9Sstevel@tonic-gate 31767c478bd9Sstevel@tonic-gate /* 31777c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 31787c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 31797c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 31807c478bd9Sstevel@tonic-gate */ 31817c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 31827c478bd9Sstevel@tonic-gate (fid_t *)&fh_fmtp->fh4_xlen, NULL); 31837c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 31847c478bd9Sstevel@tonic-gate } else { 31857c478bd9Sstevel@tonic-gate /* 31867c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 31877c478bd9Sstevel@tonic-gate */ 31887c478bd9Sstevel@tonic-gate cs->exi = exi_public; 31897c478bd9Sstevel@tonic-gate } 31907c478bd9Sstevel@tonic-gate 31917c478bd9Sstevel@tonic-gate VN_HOLD(vp); 31927c478bd9Sstevel@tonic-gate cs->vp = vp; 31937c478bd9Sstevel@tonic-gate 31947c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 31957c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 31967c478bd9Sstevel@tonic-gate cs->vp = NULL; 31977c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 31987c478bd9Sstevel@tonic-gate return; 31997c478bd9Sstevel@tonic-gate } 32007c478bd9Sstevel@tonic-gate 32017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32027c478bd9Sstevel@tonic-gate } 32037c478bd9Sstevel@tonic-gate 32047c478bd9Sstevel@tonic-gate /* 32057c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 32067c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 32077c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 32087c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 32097c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 32107c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 32117c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 32127c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 32137c478bd9Sstevel@tonic-gate * know what the anonymous user is. 32147c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 32157c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 32167c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 32177c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 32187c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 32197c478bd9Sstevel@tonic-gate */ 32207c478bd9Sstevel@tonic-gate /* ARGSUSED */ 32217c478bd9Sstevel@tonic-gate static void 32227c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 32237c478bd9Sstevel@tonic-gate struct compound_state *cs) 32247c478bd9Sstevel@tonic-gate { 32257c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 32267c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 32277c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 32287c478bd9Sstevel@tonic-gate 32297c478bd9Sstevel@tonic-gate if (cs->vp) { 32307c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 32317c478bd9Sstevel@tonic-gate cs->vp = NULL; 32327c478bd9Sstevel@tonic-gate } 32337c478bd9Sstevel@tonic-gate 32347c478bd9Sstevel@tonic-gate if (cs->cr) { 32357c478bd9Sstevel@tonic-gate crfree(cs->cr); 32367c478bd9Sstevel@tonic-gate cs->cr = NULL; 32377c478bd9Sstevel@tonic-gate } 32387c478bd9Sstevel@tonic-gate 32397c478bd9Sstevel@tonic-gate 32407c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 32417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 32427c478bd9Sstevel@tonic-gate return; 32437c478bd9Sstevel@tonic-gate } 32447c478bd9Sstevel@tonic-gate 32457c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 32467c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 32477c478bd9Sstevel@tonic-gate NULL); 32487c478bd9Sstevel@tonic-gate 32497c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 32507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 32517c478bd9Sstevel@tonic-gate return; 32527c478bd9Sstevel@tonic-gate } 32537c478bd9Sstevel@tonic-gate 32547c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 32557c478bd9Sstevel@tonic-gate 32567c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 32577c478bd9Sstevel@tonic-gate 32587c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 32597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 32607c478bd9Sstevel@tonic-gate return; 32617c478bd9Sstevel@tonic-gate } 32627c478bd9Sstevel@tonic-gate 32637c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 32647c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 32657c478bd9Sstevel@tonic-gate cs->vp = NULL; 32667c478bd9Sstevel@tonic-gate return; 32677c478bd9Sstevel@tonic-gate } 32687c478bd9Sstevel@tonic-gate 32697c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 32707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32717c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 32727c478bd9Sstevel@tonic-gate } 32737c478bd9Sstevel@tonic-gate 32747c478bd9Sstevel@tonic-gate /* ARGSUSED */ 32757c478bd9Sstevel@tonic-gate static void 32767c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 32777c478bd9Sstevel@tonic-gate struct compound_state *cs) 32787c478bd9Sstevel@tonic-gate 32797c478bd9Sstevel@tonic-gate { 32807c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 32817c478bd9Sstevel@tonic-gate int error; 32827c478bd9Sstevel@tonic-gate fid_t fid; 32837c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 32847c478bd9Sstevel@tonic-gate 32857c478bd9Sstevel@tonic-gate if (cs->vp) { 32867c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 32877c478bd9Sstevel@tonic-gate cs->vp = NULL; 32887c478bd9Sstevel@tonic-gate } 32897c478bd9Sstevel@tonic-gate 32907c478bd9Sstevel@tonic-gate if (cs->cr) 32917c478bd9Sstevel@tonic-gate crfree(cs->cr); 32927c478bd9Sstevel@tonic-gate 32937c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 32947c478bd9Sstevel@tonic-gate 32957c478bd9Sstevel@tonic-gate /* 32967c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 32977c478bd9Sstevel@tonic-gate * get its fid. 32987c478bd9Sstevel@tonic-gate */ 32997c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 33007c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 33017c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 33027c478bd9Sstevel@tonic-gate if (error != 0) { 33037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33047c478bd9Sstevel@tonic-gate return; 33057c478bd9Sstevel@tonic-gate } 33067c478bd9Sstevel@tonic-gate 33077c478bd9Sstevel@tonic-gate /* 33087c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 33097c478bd9Sstevel@tonic-gate * 33107c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 33117c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 33127c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 33137c478bd9Sstevel@tonic-gate * file tree. 33147c478bd9Sstevel@tonic-gate */ 33157c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 33167c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 33177c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 33187c478bd9Sstevel@tonic-gate (CE_WARN, "rfs4_op_putrootfh: export check failure")); 33197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 33207c478bd9Sstevel@tonic-gate return; 33217c478bd9Sstevel@tonic-gate } 33227c478bd9Sstevel@tonic-gate 33237c478bd9Sstevel@tonic-gate /* 33247c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 33257c478bd9Sstevel@tonic-gate * export and root vnode. 33267c478bd9Sstevel@tonic-gate */ 33277c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 33287c478bd9Sstevel@tonic-gate if (error != 0) { 33297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33307c478bd9Sstevel@tonic-gate return; 33317c478bd9Sstevel@tonic-gate } 33327c478bd9Sstevel@tonic-gate 33337c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 33347c478bd9Sstevel@tonic-gate cs->exi = exi; 33357c478bd9Sstevel@tonic-gate 33367c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 33377c478bd9Sstevel@tonic-gate cs->vp = rootdir; 33387c478bd9Sstevel@tonic-gate 33397c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 33407c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 33417c478bd9Sstevel@tonic-gate cs->vp = NULL; 33427c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 33437c478bd9Sstevel@tonic-gate return; 33447c478bd9Sstevel@tonic-gate } 33457c478bd9Sstevel@tonic-gate 33467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 33477c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 33487c478bd9Sstevel@tonic-gate } 33497c478bd9Sstevel@tonic-gate 33507c478bd9Sstevel@tonic-gate /* 33517c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 33527c478bd9Sstevel@tonic-gate * - it has a non-zero ino 33537c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 33547c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 33557c478bd9Sstevel@tonic-gate * only have a limited view. 33567c478bd9Sstevel@tonic-gate */ 33577c478bd9Sstevel@tonic-gate static bool_t 33587c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 33597c478bd9Sstevel@tonic-gate int *expseudo, int check_visible) 33607c478bd9Sstevel@tonic-gate { 33617c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 33627c478bd9Sstevel@tonic-gate *expseudo = 0; 33637c478bd9Sstevel@tonic-gate return (FALSE); 33647c478bd9Sstevel@tonic-gate } 33657c478bd9Sstevel@tonic-gate 33667c478bd9Sstevel@tonic-gate if (! check_visible) { 33677c478bd9Sstevel@tonic-gate *expseudo = 0; 33687c478bd9Sstevel@tonic-gate return (TRUE); 33697c478bd9Sstevel@tonic-gate } 33707c478bd9Sstevel@tonic-gate 33717c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 33727c478bd9Sstevel@tonic-gate } 33737c478bd9Sstevel@tonic-gate 33747c478bd9Sstevel@tonic-gate /* 33757c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 33767c478bd9Sstevel@tonic-gate * to get for each directory entry. 33777c478bd9Sstevel@tonic-gate */ 33787c478bd9Sstevel@tonic-gate static nfsstat4 33797c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 33807c478bd9Sstevel@tonic-gate bitmap4 attrs, bool_t *need_to_lookup) 33817c478bd9Sstevel@tonic-gate { 33827c478bd9Sstevel@tonic-gate uint_t va_mask; 33837c478bd9Sstevel@tonic-gate nfsstat4 status; 33847c478bd9Sstevel@tonic-gate bitmap4 objbits; 33857c478bd9Sstevel@tonic-gate 33867c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 33877c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 33887c478bd9Sstevel@tonic-gate /* 33897c478bd9Sstevel@tonic-gate * could not even figure attr mask 33907c478bd9Sstevel@tonic-gate */ 33917c478bd9Sstevel@tonic-gate return (status); 33927c478bd9Sstevel@tonic-gate } 33937c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 33947c478bd9Sstevel@tonic-gate 33957c478bd9Sstevel@tonic-gate /* 33967c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 33977c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 33987c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 33997c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 34007c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 34017c478bd9Sstevel@tonic-gate */ 34027c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 34037c478bd9Sstevel@tonic-gate 34047c478bd9Sstevel@tonic-gate /* 34057c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 34067c478bd9Sstevel@tonic-gate * a) vattr attrs 34077c478bd9Sstevel@tonic-gate * b) vfs attrs 34087c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 34097c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 34107c478bd9Sstevel@tonic-gate */ 34117c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 34127c478bd9Sstevel@tonic-gate 34137c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 34147c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 34157c478bd9Sstevel@tonic-gate else 34167c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 34177c478bd9Sstevel@tonic-gate 34187c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 34197c478bd9Sstevel@tonic-gate return (NFS4_OK); 34207c478bd9Sstevel@tonic-gate 34217c478bd9Sstevel@tonic-gate /* 34227c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 34237c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 34247c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 34257c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 34267c478bd9Sstevel@tonic-gate */ 34277c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 34287c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 34297c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 34307c478bd9Sstevel@tonic-gate 34317c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 34327c478bd9Sstevel@tonic-gate /* 34337c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 34347c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 34357c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 34367c478bd9Sstevel@tonic-gate */ 34377c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 34387c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 34397c478bd9Sstevel@tonic-gate /* 34407c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 34417c478bd9Sstevel@tonic-gate */ 34427c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 34437c478bd9Sstevel@tonic-gate status = NFS4_OK; 34447c478bd9Sstevel@tonic-gate } 34457c478bd9Sstevel@tonic-gate 34467c478bd9Sstevel@tonic-gate return (status); 34477c478bd9Sstevel@tonic-gate } 34487c478bd9Sstevel@tonic-gate 34497c478bd9Sstevel@tonic-gate /* 34507c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 34517c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 34527c478bd9Sstevel@tonic-gate */ 34537c478bd9Sstevel@tonic-gate 34547c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34557c478bd9Sstevel@tonic-gate static void 34567c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 34577c478bd9Sstevel@tonic-gate struct compound_state *cs) 34587c478bd9Sstevel@tonic-gate { 34597c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 34607c478bd9Sstevel@tonic-gate int error; 34617c478bd9Sstevel@tonic-gate vnode_t *vp; 34627c478bd9Sstevel@tonic-gate struct iovec iov; 34637c478bd9Sstevel@tonic-gate struct vattr va; 34647c478bd9Sstevel@tonic-gate struct uio uio; 34657c478bd9Sstevel@tonic-gate char *data; 34667c478bd9Sstevel@tonic-gate 34677c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 34687c478bd9Sstevel@tonic-gate vp = cs->vp; 34697c478bd9Sstevel@tonic-gate if (vp == NULL) { 34707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 34717c478bd9Sstevel@tonic-gate return; 34727c478bd9Sstevel@tonic-gate } 34737c478bd9Sstevel@tonic-gate 34747c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 34757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 34767c478bd9Sstevel@tonic-gate return; 34777c478bd9Sstevel@tonic-gate } 34787c478bd9Sstevel@tonic-gate 34797c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 34807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 34817c478bd9Sstevel@tonic-gate return; 34827c478bd9Sstevel@tonic-gate } 34837c478bd9Sstevel@tonic-gate 34847c478bd9Sstevel@tonic-gate if (vp->v_type != VLNK) { 34857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 34867c478bd9Sstevel@tonic-gate return; 34877c478bd9Sstevel@tonic-gate } 34887c478bd9Sstevel@tonic-gate 34897c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 34907c478bd9Sstevel@tonic-gate error = VOP_GETATTR(vp, &va, 0, cs->cr); 34917c478bd9Sstevel@tonic-gate if (error) { 34927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 34937c478bd9Sstevel@tonic-gate return; 34947c478bd9Sstevel@tonic-gate } 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 34977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 34987c478bd9Sstevel@tonic-gate return; 34997c478bd9Sstevel@tonic-gate } 35007c478bd9Sstevel@tonic-gate 35017c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 35027c478bd9Sstevel@tonic-gate 35037c478bd9Sstevel@tonic-gate iov.iov_base = data; 35047c478bd9Sstevel@tonic-gate iov.iov_len = MAXPATHLEN; 35057c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 35067c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 35077c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 35087c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 35097c478bd9Sstevel@tonic-gate uio.uio_loffset = 0; 35107c478bd9Sstevel@tonic-gate uio.uio_resid = MAXPATHLEN; 35117c478bd9Sstevel@tonic-gate 35127c478bd9Sstevel@tonic-gate error = VOP_READLINK(vp, &uio, cs->cr); 35137c478bd9Sstevel@tonic-gate 35147c478bd9Sstevel@tonic-gate if (error) { 35157c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 35167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 35177c478bd9Sstevel@tonic-gate return; 35187c478bd9Sstevel@tonic-gate } 35197c478bd9Sstevel@tonic-gate 35207c478bd9Sstevel@tonic-gate *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 35217c478bd9Sstevel@tonic-gate 35227c478bd9Sstevel@tonic-gate /* 35237c478bd9Sstevel@tonic-gate * treat link name as data 35247c478bd9Sstevel@tonic-gate */ 35257c478bd9Sstevel@tonic-gate (void) str_to_utf8(data, &resp->link); 35267c478bd9Sstevel@tonic-gate 35277c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 35287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35297c478bd9Sstevel@tonic-gate } 35307c478bd9Sstevel@tonic-gate 35317c478bd9Sstevel@tonic-gate static void 35327c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 35337c478bd9Sstevel@tonic-gate { 35347c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 35357c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 35367c478bd9Sstevel@tonic-gate 35377c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 35387c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 35397c478bd9Sstevel@tonic-gate } 35407c478bd9Sstevel@tonic-gate } 35417c478bd9Sstevel@tonic-gate 35427c478bd9Sstevel@tonic-gate /* 35437c478bd9Sstevel@tonic-gate * release_lockowner: 35447c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 35457c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 35467c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 35477c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 35487c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 35497c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 35507c478bd9Sstevel@tonic-gate * args: lock_owner 35517c478bd9Sstevel@tonic-gate * res: status 35527c478bd9Sstevel@tonic-gate */ 35537c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35547c478bd9Sstevel@tonic-gate static void 35557c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 35567c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 35577c478bd9Sstevel@tonic-gate { 35587c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 35597c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 35607c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 35617c478bd9Sstevel@tonic-gate rfs4_openowner_t *oop; 35627c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 35637c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 35647c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 35657c478bd9Sstevel@tonic-gate bool_t create = FALSE; 35667c478bd9Sstevel@tonic-gate locklist_t *llist; 35677c478bd9Sstevel@tonic-gate sysid_t sysid; 35687c478bd9Sstevel@tonic-gate 35697c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 35707c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 35717c478bd9Sstevel@tonic-gate 35727c478bd9Sstevel@tonic-gate if (cp == NULL) { 35737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 35747c478bd9Sstevel@tonic-gate rfs4_check_clientid(&ap->lock_owner.clientid, 0); 35757c478bd9Sstevel@tonic-gate return; 35767c478bd9Sstevel@tonic-gate } 35777c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 35787c478bd9Sstevel@tonic-gate 35797c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 35807c478bd9Sstevel@tonic-gate if (lo == NULL) { 35817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35827c478bd9Sstevel@tonic-gate return; 35837c478bd9Sstevel@tonic-gate } 35847c478bd9Sstevel@tonic-gate ASSERT(lo->client != NULL); 35857c478bd9Sstevel@tonic-gate 35867c478bd9Sstevel@tonic-gate /* 35877c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 35887c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 35897c478bd9Sstevel@tonic-gate */ 35907c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(lo->client)) { 35917c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 35927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 35937c478bd9Sstevel@tonic-gate return; 35947c478bd9Sstevel@tonic-gate } 35957c478bd9Sstevel@tonic-gate 35967c478bd9Sstevel@tonic-gate /* 35977c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 35987c478bd9Sstevel@tonic-gate */ 35997c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lo->client->dbe); 36007c478bd9Sstevel@tonic-gate if (lo->client->sysidt == LM_NOSYSID) { 36017c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 36027c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 36037c478bd9Sstevel@tonic-gate return; 36047c478bd9Sstevel@tonic-gate } 36057c478bd9Sstevel@tonic-gate 36067c478bd9Sstevel@tonic-gate sysid = lo->client->sysidt; 36077c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 36087c478bd9Sstevel@tonic-gate 36097c478bd9Sstevel@tonic-gate /* 36107c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 36117c478bd9Sstevel@tonic-gate */ 36127c478bd9Sstevel@tonic-gate rfs4_dbe_hide(lo->dbe); 36137c478bd9Sstevel@tonic-gate 36147c478bd9Sstevel@tonic-gate /* 36157c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 36167c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 36177c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 36187c478bd9Sstevel@tonic-gate * current locks. 36197c478bd9Sstevel@tonic-gate */ 36207c478bd9Sstevel@tonic-gate 36217c478bd9Sstevel@tonic-gate llist = flk_get_active_locks(sysid, lo->pid); 36227c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 36237c478bd9Sstevel@tonic-gate if (llist != NULL) { 36247c478bd9Sstevel@tonic-gate 36257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 36287c478bd9Sstevel@tonic-gate /* 36297c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 36307c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 36317c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 36327c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 36337c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 36347c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 36357c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 36367c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 36377c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 36387c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 36397c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 36407c478bd9Sstevel@tonic-gate * reissuing the request. 36417c478bd9Sstevel@tonic-gate */ 36427c478bd9Sstevel@tonic-gate rfs4_dbe_unhide(lo->dbe); 36437c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 36447c478bd9Sstevel@tonic-gate return; 36457c478bd9Sstevel@tonic-gate } 36467c478bd9Sstevel@tonic-gate 36477c478bd9Sstevel@tonic-gate /* 36487c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 36497c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 36507c478bd9Sstevel@tonic-gate * with this lockowner. 36517c478bd9Sstevel@tonic-gate */ 36527c478bd9Sstevel@tonic-gate 36537c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lo->client->dbe); 36547c478bd9Sstevel@tonic-gate for (oop = lo->client->openownerlist.next->oop; oop != NULL; 36557c478bd9Sstevel@tonic-gate oop = oop->openownerlist.next->oop) { 36567c478bd9Sstevel@tonic-gate 36577c478bd9Sstevel@tonic-gate rfs4_dbe_lock(oop->dbe); 36587c478bd9Sstevel@tonic-gate for (sp = oop->ownerstateids.next->sp; sp != NULL; 36597c478bd9Sstevel@tonic-gate sp = sp->ownerstateids.next->sp) { 36607c478bd9Sstevel@tonic-gate 36617c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 36627c478bd9Sstevel@tonic-gate for (lsp = sp->lockownerlist.next->lsp; 36637c478bd9Sstevel@tonic-gate lsp != NULL; lsp = lsp->lockownerlist.next->lsp) { 36647c478bd9Sstevel@tonic-gate if (lsp->locker == lo) { 36657c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lsp->dbe); 36667c478bd9Sstevel@tonic-gate rfs4_dbe_invalidate(lsp->dbe); 36677c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lsp->dbe); 36687c478bd9Sstevel@tonic-gate } 36697c478bd9Sstevel@tonic-gate } 36707c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 36717c478bd9Sstevel@tonic-gate } 36727c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(oop->dbe); 36737c478bd9Sstevel@tonic-gate } 36747c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 36757c478bd9Sstevel@tonic-gate 36767c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 36777c478bd9Sstevel@tonic-gate 36787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 36797c478bd9Sstevel@tonic-gate } 36807c478bd9Sstevel@tonic-gate 36817c478bd9Sstevel@tonic-gate /* 36827c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 36837c478bd9Sstevel@tonic-gate */ 36847c478bd9Sstevel@tonic-gate static rfs4_file_t * 36857c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 36867c478bd9Sstevel@tonic-gate int *lkup_error, cred_t *cr) 36877c478bd9Sstevel@tonic-gate { 36887c478bd9Sstevel@tonic-gate vnode_t *vp; 36897c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 36907c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 36917c478bd9Sstevel@tonic-gate int error; 36927c478bd9Sstevel@tonic-gate 36937c478bd9Sstevel@tonic-gate if (vpp) 36947c478bd9Sstevel@tonic-gate *vpp = NULL; 36957c478bd9Sstevel@tonic-gate 36967c478bd9Sstevel@tonic-gate if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr)) == 0) { 36977c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 36987c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 36997c478bd9Sstevel@tonic-gate if (vpp) 37007c478bd9Sstevel@tonic-gate *vpp = vp; 37017c478bd9Sstevel@tonic-gate else 37027c478bd9Sstevel@tonic-gate VN_RELE(vp); 37037c478bd9Sstevel@tonic-gate } 37047c478bd9Sstevel@tonic-gate 37057c478bd9Sstevel@tonic-gate if (lkup_error) 37067c478bd9Sstevel@tonic-gate *lkup_error = error; 37077c478bd9Sstevel@tonic-gate 37087c478bd9Sstevel@tonic-gate return (fp); 37097c478bd9Sstevel@tonic-gate } 37107c478bd9Sstevel@tonic-gate 37117c478bd9Sstevel@tonic-gate /* 37127c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 37137c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 37147c478bd9Sstevel@tonic-gate * for directory. 37157c478bd9Sstevel@tonic-gate */ 37167c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37177c478bd9Sstevel@tonic-gate static void 37187c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 37197c478bd9Sstevel@tonic-gate struct compound_state *cs) 37207c478bd9Sstevel@tonic-gate { 37217c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 37227c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 37237c478bd9Sstevel@tonic-gate int error; 37247c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 37257c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 37267c478bd9Sstevel@tonic-gate char *nm; 37277c478bd9Sstevel@tonic-gate uint_t len; 37287c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 37297c478bd9Sstevel@tonic-gate int in_crit = 0; 373045916cd2Sjpk bslabel_t *clabel; 37317c478bd9Sstevel@tonic-gate 37327c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 37337c478bd9Sstevel@tonic-gate dvp = cs->vp; 37347c478bd9Sstevel@tonic-gate if (dvp == NULL) { 37357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 37367c478bd9Sstevel@tonic-gate return; 37377c478bd9Sstevel@tonic-gate } 37387c478bd9Sstevel@tonic-gate 37397c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 37417c478bd9Sstevel@tonic-gate return; 37427c478bd9Sstevel@tonic-gate } 37437c478bd9Sstevel@tonic-gate 37447c478bd9Sstevel@tonic-gate /* 37457c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 37467c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 37477c478bd9Sstevel@tonic-gate */ 37487c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 37497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 37507c478bd9Sstevel@tonic-gate return; 37517c478bd9Sstevel@tonic-gate } 37527c478bd9Sstevel@tonic-gate 37537c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 37547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 37557c478bd9Sstevel@tonic-gate return; 37567c478bd9Sstevel@tonic-gate } 37577c478bd9Sstevel@tonic-gate 37587c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->target)) { 37597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 37607c478bd9Sstevel@tonic-gate return; 37617c478bd9Sstevel@tonic-gate } 37627c478bd9Sstevel@tonic-gate 37637c478bd9Sstevel@tonic-gate /* 37647c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 37657c478bd9Sstevel@tonic-gate */ 37667c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 37677c478bd9Sstevel@tonic-gate if (nm == NULL) { 37687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 37697c478bd9Sstevel@tonic-gate return; 37707c478bd9Sstevel@tonic-gate } 37717c478bd9Sstevel@tonic-gate 37727c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 37737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 37747c478bd9Sstevel@tonic-gate kmem_free(nm, len); 37757c478bd9Sstevel@tonic-gate return; 37767c478bd9Sstevel@tonic-gate } 37777c478bd9Sstevel@tonic-gate 37787c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 37797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 37807c478bd9Sstevel@tonic-gate kmem_free(nm, len); 37817c478bd9Sstevel@tonic-gate return; 37827c478bd9Sstevel@tonic-gate } 37837c478bd9Sstevel@tonic-gate 37847c478bd9Sstevel@tonic-gate /* 37857c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 37867c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 37877c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 37887c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 37897c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 37907c478bd9Sstevel@tonic-gate */ 37917c478bd9Sstevel@tonic-gate if (fp = rfs4_lookup_and_findfile(dvp, nm, &vp, &error, cs->cr)) { 37927c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 37937c478bd9Sstevel@tonic-gate NULL)) { 37947c478bd9Sstevel@tonic-gate VN_RELE(vp); 37957c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 37967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 37977c478bd9Sstevel@tonic-gate kmem_free(nm, len); 37987c478bd9Sstevel@tonic-gate return; 37997c478bd9Sstevel@tonic-gate } 38007c478bd9Sstevel@tonic-gate } 38017c478bd9Sstevel@tonic-gate 38027c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 38037c478bd9Sstevel@tonic-gate if (vp == NULL) { 38047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 38057c478bd9Sstevel@tonic-gate kmem_free(nm, len); 38067c478bd9Sstevel@tonic-gate return; 38077c478bd9Sstevel@tonic-gate } 38087c478bd9Sstevel@tonic-gate 38097c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 38107c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 38117c478bd9Sstevel@tonic-gate in_crit = 1; 38127c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0)) { 38137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 38147c478bd9Sstevel@tonic-gate kmem_free(nm, len); 38157c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 38167c478bd9Sstevel@tonic-gate VN_RELE(vp); 38177c478bd9Sstevel@tonic-gate if (fp) { 38187c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 38197c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 38207c478bd9Sstevel@tonic-gate } 38217c478bd9Sstevel@tonic-gate return; 38227c478bd9Sstevel@tonic-gate } 38237c478bd9Sstevel@tonic-gate } 38247c478bd9Sstevel@tonic-gate 382545916cd2Sjpk /* check label before allowing removal */ 382645916cd2Sjpk if (is_system_labeled()) { 382745916cd2Sjpk ASSERT(req->rq_label != NULL); 382845916cd2Sjpk clabel = req->rq_label; 382945916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 383045916cd2Sjpk "got client label from request(1)", 383145916cd2Sjpk struct svc_req *, req); 383245916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 383345916cd2Sjpk if (!do_rfs4_label_check(clabel, vp, EQUALITY_CHECK)) { 383445916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 383545916cd2Sjpk kmem_free(nm, len); 383645916cd2Sjpk if (in_crit) 383745916cd2Sjpk nbl_end_crit(vp); 383845916cd2Sjpk VN_RELE(vp); 383945916cd2Sjpk if (fp) { 384045916cd2Sjpk rfs4_clear_dont_grant(fp); 384145916cd2Sjpk rfs4_file_rele(fp); 384245916cd2Sjpk } 384345916cd2Sjpk return; 384445916cd2Sjpk } 384545916cd2Sjpk } 384645916cd2Sjpk } 384745916cd2Sjpk 38487c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 38497c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 38507c478bd9Sstevel@tonic-gate error = VOP_GETATTR(dvp, &bdva, 0, cs->cr); 38517c478bd9Sstevel@tonic-gate if (error) { 38527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 38537c478bd9Sstevel@tonic-gate kmem_free(nm, len); 38547c478bd9Sstevel@tonic-gate return; 38557c478bd9Sstevel@tonic-gate } 38567c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 38577c478bd9Sstevel@tonic-gate 38587c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 38597c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 38607c478bd9Sstevel@tonic-gate /* 38617c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 38627c478bd9Sstevel@tonic-gate */ 38637c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 38647c478bd9Sstevel@tonic-gate error = EACCES; 38657c478bd9Sstevel@tonic-gate } else { 38667c478bd9Sstevel@tonic-gate /* 38677c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 38687c478bd9Sstevel@tonic-gate * not * ENOTEMPTY, if the directory is not 38697c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 38707c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 38717c478bd9Sstevel@tonic-gate * transmit over the wire. 38727c478bd9Sstevel@tonic-gate */ 38737c478bd9Sstevel@tonic-gate if ((error = VOP_RMDIR(dvp, nm, rootdir, cs->cr)) 38747c478bd9Sstevel@tonic-gate == EEXIST) 38757c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 38767c478bd9Sstevel@tonic-gate } 38777c478bd9Sstevel@tonic-gate } else { 38787c478bd9Sstevel@tonic-gate if ((error = VOP_REMOVE(dvp, nm, cs->cr)) == 0 && 38797c478bd9Sstevel@tonic-gate fp != NULL) { 38807c478bd9Sstevel@tonic-gate struct vattr va; 3881418d27f3Sshepler vnode_t *tvp; 38827c478bd9Sstevel@tonic-gate 3883418d27f3Sshepler rfs4_dbe_lock(fp->dbe); 3884418d27f3Sshepler tvp = fp->vp; 3885418d27f3Sshepler if (tvp) 3886418d27f3Sshepler VN_HOLD(tvp); 3887418d27f3Sshepler rfs4_dbe_unlock(fp->dbe); 3888418d27f3Sshepler 3889418d27f3Sshepler if (tvp) { 3890418d27f3Sshepler /* 3891418d27f3Sshepler * This is va_seq safe because we are not 3892418d27f3Sshepler * manipulating dvp. 3893418d27f3Sshepler */ 3894418d27f3Sshepler va.va_mask = AT_NLINK; 3895418d27f3Sshepler if (!VOP_GETATTR(tvp, &va, 0, cs->cr) && 3896418d27f3Sshepler va.va_nlink == 0) { 3897418d27f3Sshepler /* Remove state on file remove */ 3898418d27f3Sshepler if (in_crit) { 3899418d27f3Sshepler nbl_end_crit(vp); 3900418d27f3Sshepler in_crit = 0; 3901418d27f3Sshepler } 3902418d27f3Sshepler rfs4_close_all_state(fp); 39037c478bd9Sstevel@tonic-gate } 3904418d27f3Sshepler VN_RELE(tvp); 39057c478bd9Sstevel@tonic-gate } 39067c478bd9Sstevel@tonic-gate } 39077c478bd9Sstevel@tonic-gate } 39087c478bd9Sstevel@tonic-gate 39097c478bd9Sstevel@tonic-gate if (in_crit) 39107c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 39117c478bd9Sstevel@tonic-gate VN_RELE(vp); 39127c478bd9Sstevel@tonic-gate 39137c478bd9Sstevel@tonic-gate if (fp) { 39147c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 39157c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 39167c478bd9Sstevel@tonic-gate } 39177c478bd9Sstevel@tonic-gate kmem_free(nm, len); 39187c478bd9Sstevel@tonic-gate 39197c478bd9Sstevel@tonic-gate if (error) { 39207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 39217c478bd9Sstevel@tonic-gate return; 39227c478bd9Sstevel@tonic-gate } 39237c478bd9Sstevel@tonic-gate 39247c478bd9Sstevel@tonic-gate /* 39257c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 39267c478bd9Sstevel@tonic-gate */ 39277c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 39287c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &idva, 0, cs->cr)) 39297c478bd9Sstevel@tonic-gate idva.va_seq = 0; 39307c478bd9Sstevel@tonic-gate 39317c478bd9Sstevel@tonic-gate /* 39327c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 39337c478bd9Sstevel@tonic-gate */ 39347c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(dvp, 0, cs->cr); 39357c478bd9Sstevel@tonic-gate 39367c478bd9Sstevel@tonic-gate /* 39377c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 39387c478bd9Sstevel@tonic-gate * before value. 39397c478bd9Sstevel@tonic-gate */ 39407c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 39417c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &adva, 0, cs->cr)) { 39427c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 39437c478bd9Sstevel@tonic-gate adva.va_seq = 0; 39447c478bd9Sstevel@tonic-gate } 39457c478bd9Sstevel@tonic-gate 39467c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 39477c478bd9Sstevel@tonic-gate 39487c478bd9Sstevel@tonic-gate /* 39497c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 39507c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 39517c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 39527c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 39537c478bd9Sstevel@tonic-gate */ 39547c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 39557c478bd9Sstevel@tonic-gate idva.va_seq == (bdva.va_seq + 1) && 39567c478bd9Sstevel@tonic-gate idva.va_seq == adva.va_seq) 39577c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 39587c478bd9Sstevel@tonic-gate else 39597c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 39607c478bd9Sstevel@tonic-gate 39617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 39627c478bd9Sstevel@tonic-gate } 39637c478bd9Sstevel@tonic-gate 39647c478bd9Sstevel@tonic-gate /* 39657c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 39667c478bd9Sstevel@tonic-gate * oldname and newname. 39677c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 39687c478bd9Sstevel@tonic-gate * for both from and target directories. 39697c478bd9Sstevel@tonic-gate */ 39707c478bd9Sstevel@tonic-gate /* ARGSUSED */ 39717c478bd9Sstevel@tonic-gate static void 39727c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 39737c478bd9Sstevel@tonic-gate struct compound_state *cs) 39747c478bd9Sstevel@tonic-gate { 39757c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 39767c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 39777c478bd9Sstevel@tonic-gate int error; 39787c478bd9Sstevel@tonic-gate vnode_t *odvp; 39797c478bd9Sstevel@tonic-gate vnode_t *ndvp; 39807c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 39817c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 39827c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 39837c478bd9Sstevel@tonic-gate char *onm, *nnm; 39847c478bd9Sstevel@tonic-gate uint_t olen, nlen; 39857c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 39867c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 39877c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 398845916cd2Sjpk bslabel_t *clabel; 39897c478bd9Sstevel@tonic-gate 39907c478bd9Sstevel@tonic-gate fp = sfp = NULL; 39917c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 39927c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 39937c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 39947c478bd9Sstevel@tonic-gate 39957c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 39967c478bd9Sstevel@tonic-gate ndvp = cs->vp; 39977c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 39987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 39997c478bd9Sstevel@tonic-gate return; 40007c478bd9Sstevel@tonic-gate } 40017c478bd9Sstevel@tonic-gate 40027c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 40037c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 40047c478bd9Sstevel@tonic-gate if (odvp == NULL) { 40057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 40067c478bd9Sstevel@tonic-gate return; 40077c478bd9Sstevel@tonic-gate } 40087c478bd9Sstevel@tonic-gate 40097c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 40107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 40117c478bd9Sstevel@tonic-gate return; 40127c478bd9Sstevel@tonic-gate } 40137c478bd9Sstevel@tonic-gate 40147c478bd9Sstevel@tonic-gate /* 40157c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40167c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 40177c478bd9Sstevel@tonic-gate */ 40187c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 40197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 40207c478bd9Sstevel@tonic-gate return; 40217c478bd9Sstevel@tonic-gate } 40227c478bd9Sstevel@tonic-gate 40237c478bd9Sstevel@tonic-gate /* 40247c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40257c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 40267c478bd9Sstevel@tonic-gate */ 40277c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 40287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 40297c478bd9Sstevel@tonic-gate return; 40307c478bd9Sstevel@tonic-gate } 40317c478bd9Sstevel@tonic-gate 40327c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 40337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 40347c478bd9Sstevel@tonic-gate return; 40357c478bd9Sstevel@tonic-gate } 40367c478bd9Sstevel@tonic-gate 40377c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 40387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 40397c478bd9Sstevel@tonic-gate return; 40407c478bd9Sstevel@tonic-gate } 40417c478bd9Sstevel@tonic-gate 40427c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 40437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40447c478bd9Sstevel@tonic-gate return; 40457c478bd9Sstevel@tonic-gate } 40467c478bd9Sstevel@tonic-gate 40477c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 40487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40497c478bd9Sstevel@tonic-gate return; 40507c478bd9Sstevel@tonic-gate } 40517c478bd9Sstevel@tonic-gate 40527c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 40537c478bd9Sstevel@tonic-gate if (onm == NULL) { 40547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40557c478bd9Sstevel@tonic-gate return; 40567c478bd9Sstevel@tonic-gate } 40577c478bd9Sstevel@tonic-gate 40587c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 40597c478bd9Sstevel@tonic-gate if (nnm == NULL) { 40607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40617c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 40627c478bd9Sstevel@tonic-gate return; 40637c478bd9Sstevel@tonic-gate } 40647c478bd9Sstevel@tonic-gate 40657c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 40667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 40677c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 40687c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 40697c478bd9Sstevel@tonic-gate return; 40707c478bd9Sstevel@tonic-gate } 40717c478bd9Sstevel@tonic-gate 40727c478bd9Sstevel@tonic-gate 40737c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 40747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 40757c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 40767c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 40777c478bd9Sstevel@tonic-gate return; 40787c478bd9Sstevel@tonic-gate } 40797c478bd9Sstevel@tonic-gate 408045916cd2Sjpk /* check label of the target dir */ 408145916cd2Sjpk if (is_system_labeled()) { 408245916cd2Sjpk ASSERT(req->rq_label != NULL); 408345916cd2Sjpk clabel = req->rq_label; 408445916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 408545916cd2Sjpk "got client label from request(1)", 408645916cd2Sjpk struct svc_req *, req); 408745916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 408845916cd2Sjpk if (!do_rfs4_label_check(clabel, ndvp, 408945916cd2Sjpk EQUALITY_CHECK)) { 409045916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 409145916cd2Sjpk return; 409245916cd2Sjpk } 409345916cd2Sjpk } 409445916cd2Sjpk } 409545916cd2Sjpk 40967c478bd9Sstevel@tonic-gate /* 40977c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 40987c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 40997c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 41007c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 41017c478bd9Sstevel@tonic-gate */ 41027c478bd9Sstevel@tonic-gate if (sfp = rfs4_lookup_and_findfile(odvp, onm, &srcvp, &error, cs->cr)) { 41037c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 41047c478bd9Sstevel@tonic-gate NULL)) { 41057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 41067c478bd9Sstevel@tonic-gate goto err_out; 41077c478bd9Sstevel@tonic-gate } 41087c478bd9Sstevel@tonic-gate } 41097c478bd9Sstevel@tonic-gate 41107c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 41117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 41127c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 41137c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 41147c478bd9Sstevel@tonic-gate return; 41157c478bd9Sstevel@tonic-gate } 41167c478bd9Sstevel@tonic-gate 41177c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 41187c478bd9Sstevel@tonic-gate 41197c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 41207c478bd9Sstevel@tonic-gate if (fp = rfs4_lookup_and_findfile(ndvp, nnm, &targvp, NULL, cs->cr)) { 41217c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 41227c478bd9Sstevel@tonic-gate NULL)) { 41237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 41247c478bd9Sstevel@tonic-gate goto err_out; 41257c478bd9Sstevel@tonic-gate } 41267c478bd9Sstevel@tonic-gate } 41277c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 41287c478bd9Sstevel@tonic-gate 41297c478bd9Sstevel@tonic-gate 41307c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 41317c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 41327c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 41337c478bd9Sstevel@tonic-gate in_crit_src = 1; 41347c478bd9Sstevel@tonic-gate if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0)) { 41357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 41367c478bd9Sstevel@tonic-gate goto err_out; 41377c478bd9Sstevel@tonic-gate } 41387c478bd9Sstevel@tonic-gate } 41397c478bd9Sstevel@tonic-gate 41407c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 41417c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 41427c478bd9Sstevel@tonic-gate in_crit_targ = 1; 41437c478bd9Sstevel@tonic-gate if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0)) { 41447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 41457c478bd9Sstevel@tonic-gate goto err_out; 41467c478bd9Sstevel@tonic-gate } 41477c478bd9Sstevel@tonic-gate } 41487c478bd9Sstevel@tonic-gate 41497c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 41507c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 41517c478bd9Sstevel@tonic-gate error = VOP_GETATTR(odvp, &obdva, 0, cs->cr); 41527c478bd9Sstevel@tonic-gate if (!error) { 41537c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 41547c478bd9Sstevel@tonic-gate error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr); 41557c478bd9Sstevel@tonic-gate } 41567c478bd9Sstevel@tonic-gate if (error) { 41577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 41587c478bd9Sstevel@tonic-gate goto err_out; 41597c478bd9Sstevel@tonic-gate } 41607c478bd9Sstevel@tonic-gate 41617c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 41627c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 41637c478bd9Sstevel@tonic-gate 41647c478bd9Sstevel@tonic-gate if ((error = VOP_RENAME(odvp, onm, ndvp, nnm, cs->cr)) == 0 && 41657c478bd9Sstevel@tonic-gate fp != NULL) { 41667c478bd9Sstevel@tonic-gate struct vattr va; 4167418d27f3Sshepler vnode_t *tvp; 4168418d27f3Sshepler 4169418d27f3Sshepler rfs4_dbe_lock(fp->dbe); 4170418d27f3Sshepler tvp = fp->vp; 4171418d27f3Sshepler if (tvp) 4172418d27f3Sshepler VN_HOLD(tvp); 4173418d27f3Sshepler rfs4_dbe_unlock(fp->dbe); 41747c478bd9Sstevel@tonic-gate 4175418d27f3Sshepler if (tvp) { 4176418d27f3Sshepler va.va_mask = AT_NLINK; 4177418d27f3Sshepler if (!VOP_GETATTR(tvp, &va, 0, cs->cr) && 4178418d27f3Sshepler va.va_nlink == 0) { 4179418d27f3Sshepler /* The file is gone and so should the state */ 4180418d27f3Sshepler if (in_crit_targ) { 4181418d27f3Sshepler nbl_end_crit(targvp); 4182418d27f3Sshepler in_crit_targ = 0; 4183418d27f3Sshepler } 4184418d27f3Sshepler rfs4_close_all_state(fp); 41857c478bd9Sstevel@tonic-gate } 4186418d27f3Sshepler VN_RELE(tvp); 41877c478bd9Sstevel@tonic-gate } 41887c478bd9Sstevel@tonic-gate } 4189c9264041Sjwahlig if (error == 0) { 4190c9264041Sjwahlig char *tmp; 4191c9264041Sjwahlig 4192c9264041Sjwahlig /* fix the path name for the renamed file */ 4193c9264041Sjwahlig mutex_enter(&srcvp->v_lock); 4194c9264041Sjwahlig tmp = srcvp->v_path; 4195c9264041Sjwahlig srcvp->v_path = NULL; 4196c9264041Sjwahlig mutex_exit(&srcvp->v_lock); 4197c9264041Sjwahlig vn_setpath(rootdir, ndvp, srcvp, nnm, nlen - 1); 4198c9264041Sjwahlig if (tmp != NULL) 4199c9264041Sjwahlig kmem_free(tmp, strlen(tmp) + 1); 4200c9264041Sjwahlig } 42017c478bd9Sstevel@tonic-gate 42027c478bd9Sstevel@tonic-gate if (in_crit_src) 42037c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 42047c478bd9Sstevel@tonic-gate if (srcvp) 42057c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 42067c478bd9Sstevel@tonic-gate if (in_crit_targ) 42077c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 42087c478bd9Sstevel@tonic-gate if (targvp) 42097c478bd9Sstevel@tonic-gate VN_RELE(targvp); 42107c478bd9Sstevel@tonic-gate 42117c478bd9Sstevel@tonic-gate if (sfp) { 42127c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 42137c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 42147c478bd9Sstevel@tonic-gate } 42157c478bd9Sstevel@tonic-gate if (fp) { 42167c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42177c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42187c478bd9Sstevel@tonic-gate } 42197c478bd9Sstevel@tonic-gate 42207c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 42217c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 42227c478bd9Sstevel@tonic-gate 42237c478bd9Sstevel@tonic-gate /* 42247c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 42257c478bd9Sstevel@tonic-gate */ 42267c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 42277c478bd9Sstevel@tonic-gate if (VOP_GETATTR(odvp, &oidva, 0, cs->cr)) 42287c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 42297c478bd9Sstevel@tonic-gate 42307c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 42317c478bd9Sstevel@tonic-gate if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr)) 42327c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 42337c478bd9Sstevel@tonic-gate 42347c478bd9Sstevel@tonic-gate /* 42357c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 42367c478bd9Sstevel@tonic-gate */ 42377c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(odvp, 0, cs->cr); 42387c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(ndvp, 0, cs->cr); 42397c478bd9Sstevel@tonic-gate 42407c478bd9Sstevel@tonic-gate if (error) { 42417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 42427c478bd9Sstevel@tonic-gate return; 42437c478bd9Sstevel@tonic-gate } 42447c478bd9Sstevel@tonic-gate 42457c478bd9Sstevel@tonic-gate /* 42467c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 42477c478bd9Sstevel@tonic-gate * before value. 42487c478bd9Sstevel@tonic-gate */ 42497c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 42507c478bd9Sstevel@tonic-gate if (VOP_GETATTR(odvp, &oadva, 0, cs->cr)) { 42517c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 42527c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 42537c478bd9Sstevel@tonic-gate } 42547c478bd9Sstevel@tonic-gate 42557c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 42567c478bd9Sstevel@tonic-gate if (VOP_GETATTR(odvp, &nadva, 0, cs->cr)) { 42577c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 42587c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 42597c478bd9Sstevel@tonic-gate } 42607c478bd9Sstevel@tonic-gate 42617c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 42627c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 42637c478bd9Sstevel@tonic-gate 42647c478bd9Sstevel@tonic-gate /* 42657c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 42667c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 42677c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 42687c478bd9Sstevel@tonic-gate */ 42697c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 42707c478bd9Sstevel@tonic-gate oidva.va_seq == (obdva.va_seq + 1) && 42717c478bd9Sstevel@tonic-gate oidva.va_seq == oadva.va_seq) 42727c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 42737c478bd9Sstevel@tonic-gate else 42747c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 42757c478bd9Sstevel@tonic-gate 42767c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 42777c478bd9Sstevel@tonic-gate nidva.va_seq == (nbdva.va_seq + 1) && 42787c478bd9Sstevel@tonic-gate nidva.va_seq == nadva.va_seq) 42797c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 42807c478bd9Sstevel@tonic-gate else 42817c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 42827c478bd9Sstevel@tonic-gate 42837c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 42847c478bd9Sstevel@tonic-gate { 42857c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 42867c478bd9Sstevel@tonic-gate 42877c478bd9Sstevel@tonic-gate /* 42887c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 42897c478bd9Sstevel@tonic-gate */ 42907c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 42917c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 42927c478bd9Sstevel@tonic-gate vnode_t *vp; 42937c478bd9Sstevel@tonic-gate 42947c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 42957c478bd9Sstevel@tonic-gate /* 42967c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 42977c478bd9Sstevel@tonic-gate */ 42987c478bd9Sstevel@tonic-gate error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr); 42997c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 43007c478bd9Sstevel@tonic-gate if (!error) { 43017c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 43027c478bd9Sstevel@tonic-gate VN_RELE(vp); 43037c478bd9Sstevel@tonic-gate } 43047c478bd9Sstevel@tonic-gate } 43057c478bd9Sstevel@tonic-gate } 43067c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 43077c478bd9Sstevel@tonic-gate 43087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 43097c478bd9Sstevel@tonic-gate return; 43107c478bd9Sstevel@tonic-gate 43117c478bd9Sstevel@tonic-gate err_out: 43127c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 43137c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 43147c478bd9Sstevel@tonic-gate 43157c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 43167c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 43177c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 43187c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 43197c478bd9Sstevel@tonic-gate if (sfp) { 43207c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 43217c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 43227c478bd9Sstevel@tonic-gate } 43237c478bd9Sstevel@tonic-gate if (fp) { 43247c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 43257c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 43267c478bd9Sstevel@tonic-gate } 43277c478bd9Sstevel@tonic-gate } 43287c478bd9Sstevel@tonic-gate 43297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43307c478bd9Sstevel@tonic-gate static void 43317c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 43327c478bd9Sstevel@tonic-gate struct compound_state *cs) 43337c478bd9Sstevel@tonic-gate { 43347c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 43357c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 43367c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 43377c478bd9Sstevel@tonic-gate 43387c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 43397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 43407c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->clientid, 0); 43417c478bd9Sstevel@tonic-gate return; 43427c478bd9Sstevel@tonic-gate } 43437c478bd9Sstevel@tonic-gate 43447c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 43457c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 43467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 43477c478bd9Sstevel@tonic-gate return; 43487c478bd9Sstevel@tonic-gate } 43497c478bd9Sstevel@tonic-gate 43507c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 43517c478bd9Sstevel@tonic-gate 43527c478bd9Sstevel@tonic-gate mutex_enter(cp->cbinfo.cb_lock); 43537c478bd9Sstevel@tonic-gate if (cp->cbinfo.cb_notified_of_cb_path_down == FALSE) { 43547c478bd9Sstevel@tonic-gate cp->cbinfo.cb_notified_of_cb_path_down = TRUE; 43557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 43567c478bd9Sstevel@tonic-gate } else { 43577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 43587c478bd9Sstevel@tonic-gate } 43597c478bd9Sstevel@tonic-gate mutex_exit(cp->cbinfo.cb_lock); 43607c478bd9Sstevel@tonic-gate 43617c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 43627c478bd9Sstevel@tonic-gate 43637c478bd9Sstevel@tonic-gate } 43647c478bd9Sstevel@tonic-gate 43657c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43667c478bd9Sstevel@tonic-gate static void 43677c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 43687c478bd9Sstevel@tonic-gate struct compound_state *cs) 43697c478bd9Sstevel@tonic-gate { 43707c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 43717c478bd9Sstevel@tonic-gate 43727c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 43737c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 43747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 43757c478bd9Sstevel@tonic-gate return; 43767c478bd9Sstevel@tonic-gate } 43777c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 43787c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 43797c478bd9Sstevel@tonic-gate } 43807c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 43817c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 43827c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 43837c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 43847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 43857c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 43867c478bd9Sstevel@tonic-gate } 43877c478bd9Sstevel@tonic-gate 43887c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43897c478bd9Sstevel@tonic-gate static void 43907c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 43917c478bd9Sstevel@tonic-gate struct compound_state *cs) 43927c478bd9Sstevel@tonic-gate { 43937c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 43947c478bd9Sstevel@tonic-gate 43957c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 43967c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 43977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 43987c478bd9Sstevel@tonic-gate return; 43997c478bd9Sstevel@tonic-gate } 44007c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 44017c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 44027c478bd9Sstevel@tonic-gate } 44037c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 44047c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 44057c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 44067c478bd9Sstevel@tonic-gate /* 44077c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 44087c478bd9Sstevel@tonic-gate * unless necessary. 44097c478bd9Sstevel@tonic-gate */ 44107c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 44117c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 44127c478bd9Sstevel@tonic-gate } 44137c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 44147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 44157c478bd9Sstevel@tonic-gate } 44167c478bd9Sstevel@tonic-gate 44177c478bd9Sstevel@tonic-gate /* 44187c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 44197c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 44207c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 44217c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 44227c478bd9Sstevel@tonic-gate * 44237c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 44247c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 44257c478bd9Sstevel@tonic-gate * 44267c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 44277c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 44287c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 44297c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 44307c478bd9Sstevel@tonic-gate * 44317c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 44327c478bd9Sstevel@tonic-gate */ 44337c478bd9Sstevel@tonic-gate static int 44347c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 44357c478bd9Sstevel@tonic-gate bitmap4 *resp, struct nfs4_ntov_table *ntovp) 44367c478bd9Sstevel@tonic-gate { 44377c478bd9Sstevel@tonic-gate int error, ret_error = 0; 44387c478bd9Sstevel@tonic-gate int i, k; 44397c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 44407c478bd9Sstevel@tonic-gate uint_t vbit; 44417c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 44427c478bd9Sstevel@tonic-gate uint8_t *amap; 44437c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 44447c478bd9Sstevel@tonic-gate 44457c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 44467c478bd9Sstevel@tonic-gate /* 44477c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 44487c478bd9Sstevel@tonic-gate * on the incoming values. 44497c478bd9Sstevel@tonic-gate */ 44507c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 44517c478bd9Sstevel@tonic-gate sargp->cs->cr); 44527c478bd9Sstevel@tonic-gate if (ret_error) { 44537c478bd9Sstevel@tonic-gate if (resp == NULL) 44547c478bd9Sstevel@tonic-gate return (ret_error); 44557c478bd9Sstevel@tonic-gate /* 44567c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 44577c478bd9Sstevel@tonic-gate */ 44587c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 44597c478bd9Sstevel@tonic-gate } else { 44607c478bd9Sstevel@tonic-gate /* 44617c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 44627c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 44637c478bd9Sstevel@tonic-gate * defensive coding. 44647c478bd9Sstevel@tonic-gate * See bug id 4276830. 44657c478bd9Sstevel@tonic-gate */ 44667c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 44677c478bd9Sstevel@tonic-gate } 44687c478bd9Sstevel@tonic-gate } 44697c478bd9Sstevel@tonic-gate 44707c478bd9Sstevel@tonic-gate if (getsb) { 44717c478bd9Sstevel@tonic-gate /* 44727c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 44737c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 44747c478bd9Sstevel@tonic-gate */ 44757c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 44767c478bd9Sstevel@tonic-gate if (ret_error) { 44777c478bd9Sstevel@tonic-gate if (resp == NULL) 44787c478bd9Sstevel@tonic-gate goto errout; 44797c478bd9Sstevel@tonic-gate getsb = FALSE; 44807c478bd9Sstevel@tonic-gate } 44817c478bd9Sstevel@tonic-gate } 44827c478bd9Sstevel@tonic-gate 44837c478bd9Sstevel@tonic-gate /* 44847c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 44857c478bd9Sstevel@tonic-gate * whether it's the same as the input. 44867c478bd9Sstevel@tonic-gate */ 44877c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 44887c478bd9Sstevel@tonic-gate goto errout; 44897c478bd9Sstevel@tonic-gate 44907c478bd9Sstevel@tonic-gate na = ntovp->na; 44917c478bd9Sstevel@tonic-gate amap = ntovp->amap; 44927c478bd9Sstevel@tonic-gate k = 0; 44937c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 44947c478bd9Sstevel@tonic-gate k = *amap; 44957c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 44967c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 44977c478bd9Sstevel@tonic-gate 44987c478bd9Sstevel@tonic-gate /* 44997c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 45007c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 45017c478bd9Sstevel@tonic-gate */ 45027c478bd9Sstevel@tonic-gate if (vbit) { 45037c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 45047c478bd9Sstevel@tonic-gate continue; 45057c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 45067c478bd9Sstevel@tonic-gate continue; 45077c478bd9Sstevel@tonic-gate } 45087c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)( 45097c478bd9Sstevel@tonic-gate NFS4ATTR_VERIT, sargp, na); 45107c478bd9Sstevel@tonic-gate if (resp != NULL) { 45117c478bd9Sstevel@tonic-gate if (error) 45127c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 45137c478bd9Sstevel@tonic-gate else /* update response bitmap */ 45147c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 45157c478bd9Sstevel@tonic-gate continue; 45167c478bd9Sstevel@tonic-gate } 45177c478bd9Sstevel@tonic-gate if (error) { 45187c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 45197c478bd9Sstevel@tonic-gate break; 45207c478bd9Sstevel@tonic-gate } 45217c478bd9Sstevel@tonic-gate } 45227c478bd9Sstevel@tonic-gate errout: 45237c478bd9Sstevel@tonic-gate return (ret_error); 45247c478bd9Sstevel@tonic-gate } 45257c478bd9Sstevel@tonic-gate 45267c478bd9Sstevel@tonic-gate /* 45277c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 45287c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 45297c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 45307c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 45317c478bd9Sstevel@tonic-gate * 45327c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 45337c478bd9Sstevel@tonic-gate */ 45347c478bd9Sstevel@tonic-gate static int 45357c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 45367c478bd9Sstevel@tonic-gate int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 45377c478bd9Sstevel@tonic-gate { 45387c478bd9Sstevel@tonic-gate int error = 0; 45397c478bd9Sstevel@tonic-gate bool_t set_later; 45407c478bd9Sstevel@tonic-gate 45417c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 45427c478bd9Sstevel@tonic-gate 45437c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 45447c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 45457c478bd9Sstevel@tonic-gate /* 45467c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 45477c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 45487c478bd9Sstevel@tonic-gate * Will be done later. 45497c478bd9Sstevel@tonic-gate */ 45507c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 45517c478bd9Sstevel@tonic-gate /* 45527c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 45537c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 45547c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 45557c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 45567c478bd9Sstevel@tonic-gate */ 45577c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 45587c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 45597c478bd9Sstevel@tonic-gate sargp, nap); 45607c478bd9Sstevel@tonic-gate if (error) { 45617c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 45627c478bd9Sstevel@tonic-gate (caddr_t)nap); 45637c478bd9Sstevel@tonic-gate } 45647c478bd9Sstevel@tonic-gate } 45657c478bd9Sstevel@tonic-gate } 45667c478bd9Sstevel@tonic-gate } else { 45677c478bd9Sstevel@tonic-gate #ifdef DEBUG 45687c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 45697c478bd9Sstevel@tonic-gate "decoding attribute %d\n", k); 45707c478bd9Sstevel@tonic-gate #endif 45717c478bd9Sstevel@tonic-gate error = EINVAL; 45727c478bd9Sstevel@tonic-gate } 45737c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 45747c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 45757c478bd9Sstevel@tonic-gate } 45767c478bd9Sstevel@tonic-gate 45777c478bd9Sstevel@tonic-gate return (error); 45787c478bd9Sstevel@tonic-gate } 45797c478bd9Sstevel@tonic-gate 45807c478bd9Sstevel@tonic-gate /* 45817c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 45827c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 45837c478bd9Sstevel@tonic-gate */ 45847c478bd9Sstevel@tonic-gate static nfsstat4 45857c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 45867c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 45877c478bd9Sstevel@tonic-gate nfs4_attr_cmd_t cmd) 45887c478bd9Sstevel@tonic-gate { 45897c478bd9Sstevel@tonic-gate int error = 0; 45907c478bd9Sstevel@tonic-gate int i; 45917c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 45927c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 45937c478bd9Sstevel@tonic-gate XDR xdr; 45947c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 45957c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 45967c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 45977c478bd9Sstevel@tonic-gate uint8_t *amap; 45987c478bd9Sstevel@tonic-gate 45997c478bd9Sstevel@tonic-gate #ifndef lint 46007c478bd9Sstevel@tonic-gate /* 46017c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 46027c478bd9Sstevel@tonic-gate * 8 bit quantity. 46037c478bd9Sstevel@tonic-gate */ 46047c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 46057c478bd9Sstevel@tonic-gate #endif 46067c478bd9Sstevel@tonic-gate 46077c478bd9Sstevel@tonic-gate if (vp == NULL) { 46087c478bd9Sstevel@tonic-gate if (resp) 46097c478bd9Sstevel@tonic-gate *resp = 0; 46107c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 46117c478bd9Sstevel@tonic-gate } 46127c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 46137c478bd9Sstevel@tonic-gate if (resp) 46147c478bd9Sstevel@tonic-gate *resp = 0; 46157c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 46167c478bd9Sstevel@tonic-gate } 46177c478bd9Sstevel@tonic-gate 46187c478bd9Sstevel@tonic-gate sargp->op = cmd; 46197c478bd9Sstevel@tonic-gate sargp->cs = cs; 46207c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 46217c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 46227c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 46237c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 46247c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 46257c478bd9Sstevel@tonic-gate 46267c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 46277c478bd9Sstevel@tonic-gate 46287c478bd9Sstevel@tonic-gate na = ntovp->na; 46297c478bd9Sstevel@tonic-gate amap = ntovp->amap; 46307c478bd9Sstevel@tonic-gate 46317c478bd9Sstevel@tonic-gate /* 46327c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 46337c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 46347c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 46357c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 46367c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 46377c478bd9Sstevel@tonic-gate * will be set in this loop. 46387c478bd9Sstevel@tonic-gate */ 46397c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 46407c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 46417c478bd9Sstevel@tonic-gate continue; 46427c478bd9Sstevel@tonic-gate } 46437c478bd9Sstevel@tonic-gate /* 46447c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 46457c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 46467c478bd9Sstevel@tonic-gate */ 46477c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 46487c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 46497c478bd9Sstevel@tonic-gate /* 46507c478bd9Sstevel@tonic-gate * Client tries to set/verify an 46517c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 46527c478bd9Sstevel@tonic-gate * a read only attr or verify a write 46537c478bd9Sstevel@tonic-gate * only one - error! 46547c478bd9Sstevel@tonic-gate */ 46557c478bd9Sstevel@tonic-gate break; 46567c478bd9Sstevel@tonic-gate } 46577c478bd9Sstevel@tonic-gate /* 46587c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 46597c478bd9Sstevel@tonic-gate */ 46607c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 46617c478bd9Sstevel@tonic-gate &xdr, resp ? resp : NULL, na); 46627c478bd9Sstevel@tonic-gate if (error) 46637c478bd9Sstevel@tonic-gate break; 46647c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 46657c478bd9Sstevel@tonic-gate na++; 46667c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 46677c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 46687c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 46697c478bd9Sstevel@tonic-gate } 46707c478bd9Sstevel@tonic-gate 46717c478bd9Sstevel@tonic-gate if (error != 0) 46727c478bd9Sstevel@tonic-gate status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 46737c478bd9Sstevel@tonic-gate puterrno4(error)); 46747c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 46757c478bd9Sstevel@tonic-gate return (status); 46767c478bd9Sstevel@tonic-gate } 46777c478bd9Sstevel@tonic-gate 46787c478bd9Sstevel@tonic-gate static nfsstat4 46797c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 46807c478bd9Sstevel@tonic-gate stateid4 *stateid) 46817c478bd9Sstevel@tonic-gate { 46827c478bd9Sstevel@tonic-gate int error = 0; 46837c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 46847c478bd9Sstevel@tonic-gate bool_t trunc; 46857c478bd9Sstevel@tonic-gate 46867c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 46877c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 46887c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 46897c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 46907c478bd9Sstevel@tonic-gate struct statvfs64 sb; 46917c478bd9Sstevel@tonic-gate struct vattr bva; 46927c478bd9Sstevel@tonic-gate struct flock64 bf; 46937c478bd9Sstevel@tonic-gate int in_crit = 0; 46947c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 46957c478bd9Sstevel@tonic-gate caller_context_t ct; 46967c478bd9Sstevel@tonic-gate 46977c478bd9Sstevel@tonic-gate *resp = 0; 46987c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 46997c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 47007c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 47017c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT); 47027c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 47037c478bd9Sstevel@tonic-gate /* 47047c478bd9Sstevel@tonic-gate * failed set attrs 47057c478bd9Sstevel@tonic-gate */ 47067c478bd9Sstevel@tonic-gate goto done; 47077c478bd9Sstevel@tonic-gate } 47087c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 47097c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 47107c478bd9Sstevel@tonic-gate /* 47117c478bd9Sstevel@tonic-gate * no further work to be done 47127c478bd9Sstevel@tonic-gate */ 47137c478bd9Sstevel@tonic-gate goto done; 47147c478bd9Sstevel@tonic-gate } 47157c478bd9Sstevel@tonic-gate 47167c478bd9Sstevel@tonic-gate /* 47177c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 47187c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 47197c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 47207c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 47217c478bd9Sstevel@tonic-gate */ 47227c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 47237c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 47247c478bd9Sstevel@tonic-gate vattr_t va; 47257c478bd9Sstevel@tonic-gate 47267c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 47277c478bd9Sstevel@tonic-gate error = VOP_GETATTR(vp, &va, 0, cs->cr); 47287c478bd9Sstevel@tonic-gate if (error) { 47297c478bd9Sstevel@tonic-gate status = puterrno4(error); 47307c478bd9Sstevel@tonic-gate goto done; 47317c478bd9Sstevel@tonic-gate } 47327c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 47337c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 47347c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 47357c478bd9Sstevel@tonic-gate goto done; 47367c478bd9Sstevel@tonic-gate } 47377c478bd9Sstevel@tonic-gate } 47387c478bd9Sstevel@tonic-gate 47397c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 47407c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 47417c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 47427c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 47437c478bd9Sstevel@tonic-gate trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE); 47447c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 47457c478bd9Sstevel@tonic-gate goto done; 47467c478bd9Sstevel@tonic-gate } 47477c478bd9Sstevel@tonic-gate 47487c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 47497c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 47507c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 47517c478bd9Sstevel@tonic-gate 47527c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 47537c478bd9Sstevel@tonic-gate 47547c478bd9Sstevel@tonic-gate /* 47557c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 47567c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 47577c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 47587c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 47597c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 47607c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 47617c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 47627c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 47637c478bd9Sstevel@tonic-gate * do the access checking. 47647c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 47657c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 47667c478bd9Sstevel@tonic-gate * the region of the change. 47677c478bd9Sstevel@tonic-gate */ 47687c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 47697c478bd9Sstevel@tonic-gate u_offset_t offset; 47707c478bd9Sstevel@tonic-gate ssize_t length; 47717c478bd9Sstevel@tonic-gate 47729720e166Sjasmith /* 47739720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 47749720e166Sjasmith * before returning, sarg.vap->va_mask is used to 47759720e166Sjasmith * generate the setattr reply bitmap. We also clear 47769720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 47779720e166Sjasmith * of these cases, the va_mask needs to be saved here 47789720e166Sjasmith * and restored after calling VOP_SETATTR. 47799720e166Sjasmith */ 47809720e166Sjasmith saved_mask = sarg.vap->va_mask; 47819720e166Sjasmith 47827c478bd9Sstevel@tonic-gate /* 47837c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 47847c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 47857c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 47867c478bd9Sstevel@tonic-gate */ 47877c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 47887c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 47897c478bd9Sstevel@tonic-gate in_crit = 1; 47907c478bd9Sstevel@tonic-gate } 47917c478bd9Sstevel@tonic-gate 47927c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 47937c478bd9Sstevel@tonic-gate if (error = VOP_GETATTR(vp, &bva, 0, cr)) { 47947c478bd9Sstevel@tonic-gate status = puterrno4(error); 47957c478bd9Sstevel@tonic-gate goto done; 47967c478bd9Sstevel@tonic-gate } 47977c478bd9Sstevel@tonic-gate 47987c478bd9Sstevel@tonic-gate if (in_crit) { 47997c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 48007c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 48017c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 48027c478bd9Sstevel@tonic-gate } else { 48037c478bd9Sstevel@tonic-gate offset = bva.va_size; 48047c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 48057c478bd9Sstevel@tonic-gate } 48067c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, offset, length, 0)) { 48077c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 48087c478bd9Sstevel@tonic-gate goto done; 48097c478bd9Sstevel@tonic-gate } 48107c478bd9Sstevel@tonic-gate } 48117c478bd9Sstevel@tonic-gate 48127c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 48137c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 48147c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 48157c478bd9Sstevel@tonic-gate bf.l_whence = 0; 48167c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 48177c478bd9Sstevel@tonic-gate bf.l_len = 0; 48187c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 48197c478bd9Sstevel@tonic-gate bf.l_pid = 0; 48207c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 48217c478bd9Sstevel@tonic-gate (offset_t)sarg.vap->va_size, cr, &ct); 48227c478bd9Sstevel@tonic-gate } 48237c478bd9Sstevel@tonic-gate } 48247c478bd9Sstevel@tonic-gate 48257c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 48267c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 48277c478bd9Sstevel@tonic-gate 48289720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 48297c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 48307c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 48317c478bd9Sstevel@tonic-gate 48327c478bd9Sstevel@tonic-gate /* 48337c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 48347c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 48357c478bd9Sstevel@tonic-gate */ 48367c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 48377c478bd9Sstevel@tonic-gate int i; 48387c478bd9Sstevel@tonic-gate 48397c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 48407c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 48417c478bd9Sstevel@tonic-gate break; 48427c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 48437c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 48447c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 48457c478bd9Sstevel@tonic-gate if (error == 0) { 48467c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 48477c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 48487c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 48497c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 48507c478bd9Sstevel@tonic-gate goto done; 48517c478bd9Sstevel@tonic-gate } 48527c478bd9Sstevel@tonic-gate } else { 48537c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 48547c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 48557c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 48567c478bd9Sstevel@tonic-gate error = EINVAL; 48577c478bd9Sstevel@tonic-gate } 48587c478bd9Sstevel@tonic-gate } 48597c478bd9Sstevel@tonic-gate 48607c478bd9Sstevel@tonic-gate if (error) { 48617c478bd9Sstevel@tonic-gate status = puterrno4(error); 48627c478bd9Sstevel@tonic-gate 48637c478bd9Sstevel@tonic-gate /* 48647c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 48657c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 48667c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 48677c478bd9Sstevel@tonic-gate * to the setattr arguments. 48687c478bd9Sstevel@tonic-gate */ 48697c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 48707c478bd9Sstevel@tonic-gate } else { 48717c478bd9Sstevel@tonic-gate /* 48727c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 48737c478bd9Sstevel@tonic-gate */ 48747c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(vp, FNODSYNC, cr); 48757c478bd9Sstevel@tonic-gate /* 48767c478bd9Sstevel@tonic-gate * Set response bitmap 48777c478bd9Sstevel@tonic-gate */ 48789720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 48797c478bd9Sstevel@tonic-gate } 48807c478bd9Sstevel@tonic-gate 48817c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 48827c478bd9Sstevel@tonic-gate done: 48839720e166Sjasmith /* 48849720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 48859720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 48869720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 48879720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 48889720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 48899720e166Sjasmith * case. 48909720e166Sjasmith */ 48919720e166Sjasmith *resp &= fattrp->attrmask; 48929720e166Sjasmith 48937c478bd9Sstevel@tonic-gate if (in_crit) 48947c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 48957c478bd9Sstevel@tonic-gate 48967c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 48977c478bd9Sstevel@tonic-gate 48987c478bd9Sstevel@tonic-gate return (status); 48997c478bd9Sstevel@tonic-gate } 49007c478bd9Sstevel@tonic-gate 49017c478bd9Sstevel@tonic-gate /* ARGSUSED */ 49027c478bd9Sstevel@tonic-gate static void 49037c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 49047c478bd9Sstevel@tonic-gate struct compound_state *cs) 49057c478bd9Sstevel@tonic-gate { 49067c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 49077c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 490845916cd2Sjpk bslabel_t *clabel; 49097c478bd9Sstevel@tonic-gate 49107c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 49117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 49127c478bd9Sstevel@tonic-gate return; 49137c478bd9Sstevel@tonic-gate } 49147c478bd9Sstevel@tonic-gate 49157c478bd9Sstevel@tonic-gate /* 49167c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 49177c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 49187c478bd9Sstevel@tonic-gate */ 49197c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 49207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 49217c478bd9Sstevel@tonic-gate return; 49227c478bd9Sstevel@tonic-gate } 49237c478bd9Sstevel@tonic-gate 49247c478bd9Sstevel@tonic-gate resp->attrsset = 0; 49257c478bd9Sstevel@tonic-gate 49267c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 49277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 49287c478bd9Sstevel@tonic-gate return; 49297c478bd9Sstevel@tonic-gate } 49307c478bd9Sstevel@tonic-gate 493145916cd2Sjpk /* check label before setting attributes */ 493245916cd2Sjpk if (is_system_labeled()) { 493345916cd2Sjpk ASSERT(req->rq_label != NULL); 493445916cd2Sjpk clabel = req->rq_label; 493545916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 493645916cd2Sjpk "got client label from request(1)", 493745916cd2Sjpk struct svc_req *, req); 493845916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 493945916cd2Sjpk if (!do_rfs4_label_check(clabel, cs->vp, 494045916cd2Sjpk EQUALITY_CHECK)) { 494145916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 494245916cd2Sjpk return; 494345916cd2Sjpk } 494445916cd2Sjpk } 494545916cd2Sjpk } 494645916cd2Sjpk 49477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 49487c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 49497c478bd9Sstevel@tonic-gate &args->stateid); 49507c478bd9Sstevel@tonic-gate } 49517c478bd9Sstevel@tonic-gate 49527c478bd9Sstevel@tonic-gate /* ARGSUSED */ 49537c478bd9Sstevel@tonic-gate static void 49547c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 49557c478bd9Sstevel@tonic-gate struct compound_state *cs) 49567c478bd9Sstevel@tonic-gate { 49577c478bd9Sstevel@tonic-gate /* 49587c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 49597c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 49607c478bd9Sstevel@tonic-gate * when none changed. 49617c478bd9Sstevel@tonic-gate */ 49627c478bd9Sstevel@tonic-gate 49637c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 49647c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 49657c478bd9Sstevel@tonic-gate 49667c478bd9Sstevel@tonic-gate int error; 49677c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 49687c478bd9Sstevel@tonic-gate struct statvfs64 sb; 49697c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 49707c478bd9Sstevel@tonic-gate 49717c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 49727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 49737c478bd9Sstevel@tonic-gate return; 49747c478bd9Sstevel@tonic-gate } 49757c478bd9Sstevel@tonic-gate 49767c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 49777c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 49787c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 49797c478bd9Sstevel@tonic-gate &sarg, &ntov, NFS4ATTR_VERIT); 49807c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 49817c478bd9Sstevel@tonic-gate /* 49827c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 49837c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 49847c478bd9Sstevel@tonic-gate */ 49857c478bd9Sstevel@tonic-gate if (resp->status == -1) 49867c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 49877c478bd9Sstevel@tonic-gate goto done; 49887c478bd9Sstevel@tonic-gate } 49897c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 49907c478bd9Sstevel@tonic-gate switch (error) { 49917c478bd9Sstevel@tonic-gate case 0: 49927c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 49937c478bd9Sstevel@tonic-gate break; 49947c478bd9Sstevel@tonic-gate case -1: 49957c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 49967c478bd9Sstevel@tonic-gate break; 49977c478bd9Sstevel@tonic-gate default: 49987c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 49997c478bd9Sstevel@tonic-gate break; 50007c478bd9Sstevel@tonic-gate } 50017c478bd9Sstevel@tonic-gate done: 50027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 50037c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 50047c478bd9Sstevel@tonic-gate } 50057c478bd9Sstevel@tonic-gate 50067c478bd9Sstevel@tonic-gate /* ARGSUSED */ 50077c478bd9Sstevel@tonic-gate static void 50087c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 50097c478bd9Sstevel@tonic-gate struct compound_state *cs) 50107c478bd9Sstevel@tonic-gate { 50117c478bd9Sstevel@tonic-gate /* 50127c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 50137c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 50147c478bd9Sstevel@tonic-gate * when none changed. 50157c478bd9Sstevel@tonic-gate */ 50167c478bd9Sstevel@tonic-gate 50177c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 50187c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 50197c478bd9Sstevel@tonic-gate 50207c478bd9Sstevel@tonic-gate int error; 50217c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 50227c478bd9Sstevel@tonic-gate struct statvfs64 sb; 50237c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 50247c478bd9Sstevel@tonic-gate 50257c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 50267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 50277c478bd9Sstevel@tonic-gate return; 50287c478bd9Sstevel@tonic-gate } 50297c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 50307c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 50317c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 50327c478bd9Sstevel@tonic-gate &sarg, &ntov, NFS4ATTR_VERIT); 50337c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 50347c478bd9Sstevel@tonic-gate /* 50357c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 50367c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 50377c478bd9Sstevel@tonic-gate */ 50387c478bd9Sstevel@tonic-gate if (resp->status == -1) 50397c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 50407c478bd9Sstevel@tonic-gate goto done; 50417c478bd9Sstevel@tonic-gate } 50427c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 50437c478bd9Sstevel@tonic-gate switch (error) { 50447c478bd9Sstevel@tonic-gate case 0: 50457c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 50467c478bd9Sstevel@tonic-gate break; 50477c478bd9Sstevel@tonic-gate case -1: 50487c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 50497c478bd9Sstevel@tonic-gate break; 50507c478bd9Sstevel@tonic-gate default: 50517c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 50527c478bd9Sstevel@tonic-gate break; 50537c478bd9Sstevel@tonic-gate } 50547c478bd9Sstevel@tonic-gate done: 50557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 50567c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 50577c478bd9Sstevel@tonic-gate } 50587c478bd9Sstevel@tonic-gate 50597c478bd9Sstevel@tonic-gate /* 50607c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 50617c478bd9Sstevel@tonic-gate */ 50627c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 50637c478bd9Sstevel@tonic-gate 50647c478bd9Sstevel@tonic-gate /* ARGSUSED */ 50657c478bd9Sstevel@tonic-gate static void 50667c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 50677c478bd9Sstevel@tonic-gate struct compound_state *cs) 50687c478bd9Sstevel@tonic-gate { 50697c478bd9Sstevel@tonic-gate WRITE4args *args = &argop->nfs_argop4_u.opwrite; 50707c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 50717c478bd9Sstevel@tonic-gate int error; 50727c478bd9Sstevel@tonic-gate vnode_t *vp; 50737c478bd9Sstevel@tonic-gate struct vattr bva; 50747c478bd9Sstevel@tonic-gate u_offset_t rlimit; 50757c478bd9Sstevel@tonic-gate struct uio uio; 50767c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 50777c478bd9Sstevel@tonic-gate struct iovec *iovp; 50787c478bd9Sstevel@tonic-gate int iovcnt; 50797c478bd9Sstevel@tonic-gate int ioflag; 50807c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 50817c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 50827c478bd9Sstevel@tonic-gate nfsstat4 stat; 50837c478bd9Sstevel@tonic-gate int in_crit = 0; 50847c478bd9Sstevel@tonic-gate 50857c478bd9Sstevel@tonic-gate vp = cs->vp; 50867c478bd9Sstevel@tonic-gate if (vp == NULL) { 50877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 50887c478bd9Sstevel@tonic-gate return; 50897c478bd9Sstevel@tonic-gate } 50907c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 50917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 50927c478bd9Sstevel@tonic-gate return; 50937c478bd9Sstevel@tonic-gate } 50947c478bd9Sstevel@tonic-gate 50957c478bd9Sstevel@tonic-gate cr = cs->cr; 50967c478bd9Sstevel@tonic-gate 50977c478bd9Sstevel@tonic-gate /* 50987c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 50997c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 51007c478bd9Sstevel@tonic-gate */ 51017c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 51027c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 51037c478bd9Sstevel@tonic-gate in_crit = 1; 51047c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 51057c478bd9Sstevel@tonic-gate args->offset, args->data_len, 0)) { 51067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 51077c478bd9Sstevel@tonic-gate goto out; 51087c478bd9Sstevel@tonic-gate } 51097c478bd9Sstevel@tonic-gate } 51107c478bd9Sstevel@tonic-gate 51117c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 51127c478bd9Sstevel@tonic-gate deleg, TRUE)) != NFS4_OK) { 51137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 51147c478bd9Sstevel@tonic-gate goto out; 51157c478bd9Sstevel@tonic-gate } 51167c478bd9Sstevel@tonic-gate 51177c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 51187c478bd9Sstevel@tonic-gate error = VOP_GETATTR(vp, &bva, 0, cr); 51197c478bd9Sstevel@tonic-gate 51207c478bd9Sstevel@tonic-gate /* 51217c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 51227c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 51237c478bd9Sstevel@tonic-gate */ 51247c478bd9Sstevel@tonic-gate if (error) { 51257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 51267c478bd9Sstevel@tonic-gate goto out; 51277c478bd9Sstevel@tonic-gate } 51287c478bd9Sstevel@tonic-gate 51297c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 51307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 51317c478bd9Sstevel@tonic-gate goto out; 51327c478bd9Sstevel@tonic-gate } 51337c478bd9Sstevel@tonic-gate 51347c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 51357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 51367c478bd9Sstevel@tonic-gate ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 51377c478bd9Sstevel@tonic-gate goto out; 51387c478bd9Sstevel@tonic-gate } 51397c478bd9Sstevel@tonic-gate 51407c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 51417c478bd9Sstevel@tonic-gate (error = VOP_ACCESS(vp, VWRITE, 0, cr))) { 51427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 51437c478bd9Sstevel@tonic-gate goto out; 51447c478bd9Sstevel@tonic-gate } 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 51477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 51487c478bd9Sstevel@tonic-gate goto out; 51497c478bd9Sstevel@tonic-gate } 51507c478bd9Sstevel@tonic-gate 51517c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 51527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 51537c478bd9Sstevel@tonic-gate resp->count = 0; 51547c478bd9Sstevel@tonic-gate resp->committed = args->stable; 51557c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 51567c478bd9Sstevel@tonic-gate goto out; 51577c478bd9Sstevel@tonic-gate } 51587c478bd9Sstevel@tonic-gate 51597c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 51607c478bd9Sstevel@tonic-gate mblk_t *m; 51617c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 51627c478bd9Sstevel@tonic-gate 51637c478bd9Sstevel@tonic-gate iovcnt = 0; 51647c478bd9Sstevel@tonic-gate bytes = 0; 51657c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 51667c478bd9Sstevel@tonic-gate for (m = args->mblk; 51677c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 51687c478bd9Sstevel@tonic-gate m = m->b_cont) { 51697c478bd9Sstevel@tonic-gate iovcnt++; 51707c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 51717c478bd9Sstevel@tonic-gate } 51727c478bd9Sstevel@tonic-gate #ifdef DEBUG 51737c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 51747c478bd9Sstevel@tonic-gate if (bytes != round_len) { 51757c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 51767c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 51777c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 51787c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 51797c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 51807c478bd9Sstevel@tonic-gate } 51817c478bd9Sstevel@tonic-gate #endif 51827c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 51837c478bd9Sstevel@tonic-gate iovp = iov; 51847c478bd9Sstevel@tonic-gate } else { 51857c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 51867c478bd9Sstevel@tonic-gate } 51877c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 51887c478bd9Sstevel@tonic-gate } else { 51897c478bd9Sstevel@tonic-gate iovcnt = 1; 51907c478bd9Sstevel@tonic-gate iovp = iov; 51917c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 51927c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 51937c478bd9Sstevel@tonic-gate } 51947c478bd9Sstevel@tonic-gate 51957c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 51967c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 51977c478bd9Sstevel@tonic-gate 51987c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 51997c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 52007c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 52017c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 52027c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 52037c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 52047c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 52057c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 52067c478bd9Sstevel@tonic-gate 52077c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 52087c478bd9Sstevel@tonic-gate ioflag = 0; 52097c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 52107c478bd9Sstevel@tonic-gate ioflag = FSYNC; 52117c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 52127c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 52137c478bd9Sstevel@tonic-gate else { 52147c478bd9Sstevel@tonic-gate if (iovp != iov) 52157c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 52167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 52177c478bd9Sstevel@tonic-gate goto out; 52187c478bd9Sstevel@tonic-gate } 52197c478bd9Sstevel@tonic-gate 52207c478bd9Sstevel@tonic-gate /* 52217c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 52227c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 52237c478bd9Sstevel@tonic-gate * checking is enabled. 52247c478bd9Sstevel@tonic-gate */ 52257c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 52267c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 52277c478bd9Sstevel@tonic-gate error = do_io(FWRITE, vp, &uio, ioflag, cr); 52287c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 52297c478bd9Sstevel@tonic-gate 52307c478bd9Sstevel@tonic-gate if (iovp != iov) 52317c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 52327c478bd9Sstevel@tonic-gate 52337c478bd9Sstevel@tonic-gate if (error) { 52347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 52357c478bd9Sstevel@tonic-gate goto out; 52367c478bd9Sstevel@tonic-gate } 52377c478bd9Sstevel@tonic-gate 52387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 52397c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 52407c478bd9Sstevel@tonic-gate 52417c478bd9Sstevel@tonic-gate if (ioflag == 0) 52427c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 52437c478bd9Sstevel@tonic-gate else 52447c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 52457c478bd9Sstevel@tonic-gate 52467c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 52477c478bd9Sstevel@tonic-gate 52487c478bd9Sstevel@tonic-gate out: 52497c478bd9Sstevel@tonic-gate if (in_crit) 52507c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 52517c478bd9Sstevel@tonic-gate } 52527c478bd9Sstevel@tonic-gate 52537c478bd9Sstevel@tonic-gate 52547c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 52557c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 52567c478bd9Sstevel@tonic-gate 52577c478bd9Sstevel@tonic-gate void 52587c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 52597c478bd9Sstevel@tonic-gate struct svc_req *req, cred_t *cr) 52607c478bd9Sstevel@tonic-gate { 52617c478bd9Sstevel@tonic-gate uint_t i; 52627c478bd9Sstevel@tonic-gate struct compound_state cs; 52637c478bd9Sstevel@tonic-gate 52647c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 52657c478bd9Sstevel@tonic-gate /* 52667c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 52677c478bd9Sstevel@tonic-gate */ 52687c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 52697c478bd9Sstevel@tonic-gate kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 52707c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 52717c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 52727c478bd9Sstevel@tonic-gate resp->tag.utf8string_len); 52737c478bd9Sstevel@tonic-gate 52747c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 52757c478bd9Sstevel@tonic-gate 52767c478bd9Sstevel@tonic-gate /* 52777c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 52787c478bd9Sstevel@tonic-gate */ 52797c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 52807c478bd9Sstevel@tonic-gate resp->array_len = 0; 52817c478bd9Sstevel@tonic-gate resp->array = NULL; 52827c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 52837c478bd9Sstevel@tonic-gate return; 52847c478bd9Sstevel@tonic-gate } 52857c478bd9Sstevel@tonic-gate 52867c478bd9Sstevel@tonic-gate resp->array_len = args->array_len; 52877c478bd9Sstevel@tonic-gate resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 52887c478bd9Sstevel@tonic-gate KM_SLEEP); 52897c478bd9Sstevel@tonic-gate 52907c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 52917c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 52927c478bd9Sstevel@tonic-gate 52937c478bd9Sstevel@tonic-gate cr = crget(); 52947c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 52957c478bd9Sstevel@tonic-gate 52967c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 52977c478bd9Sstevel@tonic-gate crfree(cr); 52987c478bd9Sstevel@tonic-gate return; 52997c478bd9Sstevel@tonic-gate } 53007c478bd9Sstevel@tonic-gate 53017c478bd9Sstevel@tonic-gate cs.basecr = cr; 53027c478bd9Sstevel@tonic-gate 53037c478bd9Sstevel@tonic-gate cs.req = req; 53047c478bd9Sstevel@tonic-gate 53057c478bd9Sstevel@tonic-gate /* 53067c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 53077c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 53087c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 53097c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 53107c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 53117c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 53127c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 53137c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 53147c478bd9Sstevel@tonic-gate */ 53157c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 53167c478bd9Sstevel@tonic-gate 53177c478bd9Sstevel@tonic-gate /* 53187c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 53197c478bd9Sstevel@tonic-gate * new instances' grace periods. 53207c478bd9Sstevel@tonic-gate */ 53217c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 53227c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 53237c478bd9Sstevel@tonic-gate /* 53247c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 53257c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 53267c478bd9Sstevel@tonic-gate * is finished. 53277c478bd9Sstevel@tonic-gate */ 53287c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 53297c478bd9Sstevel@tonic-gate } 53307c478bd9Sstevel@tonic-gate 53317c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 53327c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 53337c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 53347c478bd9Sstevel@tonic-gate uint_t op; 53357c478bd9Sstevel@tonic-gate 53367c478bd9Sstevel@tonic-gate argop = &args->array[i]; 53377c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 53387c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 53397c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 53407c478bd9Sstevel@tonic-gate 53417c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 53427c478bd9Sstevel@tonic-gate /* 53437c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 53447c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 53457c478bd9Sstevel@tonic-gate */ 53467c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 53477c478bd9Sstevel@tonic-gate 53487c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 53497c478bd9Sstevel@tonic-gate (CE_NOTE, "Executing %s", rfs4_op_string[op])); 53507c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 53517c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 53527c478bd9Sstevel@tonic-gate (CE_NOTE, "%s returned %d", 53537c478bd9Sstevel@tonic-gate rfs4_op_string[op], *cs.statusp)); 53547c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 53557c478bd9Sstevel@tonic-gate cs.cont = FALSE; 53567c478bd9Sstevel@tonic-gate } else { 53577c478bd9Sstevel@tonic-gate /* 53587c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 53597c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 53607c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 53617c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 53627c478bd9Sstevel@tonic-gate */ 53637c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 53647c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 53657c478bd9Sstevel@tonic-gate 53667c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 53677c478bd9Sstevel@tonic-gate cs.cont = FALSE; 53687c478bd9Sstevel@tonic-gate } 53697c478bd9Sstevel@tonic-gate 53707c478bd9Sstevel@tonic-gate /* 53717c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 53727c478bd9Sstevel@tonic-gate * compact the results array. 53737c478bd9Sstevel@tonic-gate */ 53747c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 53757c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 53767c478bd9Sstevel@tonic-gate (i+1) * sizeof (nfs_resop4), KM_SLEEP); 53777c478bd9Sstevel@tonic-gate bcopy(resp->array, 53787c478bd9Sstevel@tonic-gate new_res, (i+1) * sizeof (nfs_resop4)); 53797c478bd9Sstevel@tonic-gate kmem_free(resp->array, 53807c478bd9Sstevel@tonic-gate args->array_len * sizeof (nfs_resop4)); 53817c478bd9Sstevel@tonic-gate 53827c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 53837c478bd9Sstevel@tonic-gate resp->array = new_res; 53847c478bd9Sstevel@tonic-gate } 53857c478bd9Sstevel@tonic-gate } 53867c478bd9Sstevel@tonic-gate 53877c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 53887c478bd9Sstevel@tonic-gate 53897c478bd9Sstevel@tonic-gate if (cs.vp) 53907c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 53917c478bd9Sstevel@tonic-gate if (cs.saved_vp) 53927c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 53937c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 53947c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 53957c478bd9Sstevel@tonic-gate 53967c478bd9Sstevel@tonic-gate if (cs.basecr) 53977c478bd9Sstevel@tonic-gate crfree(cs.basecr); 53987c478bd9Sstevel@tonic-gate if (cs.cr) 53997c478bd9Sstevel@tonic-gate crfree(cs.cr); 540045916cd2Sjpk /* 540145916cd2Sjpk * done with this compound request, free the label 540245916cd2Sjpk */ 540345916cd2Sjpk 540445916cd2Sjpk if (req->rq_label != NULL) { 540545916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 540645916cd2Sjpk req->rq_label = NULL; 540745916cd2Sjpk } 54087c478bd9Sstevel@tonic-gate } 54097c478bd9Sstevel@tonic-gate 54107c478bd9Sstevel@tonic-gate /* 54117c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 54127c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 54137c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 54147c478bd9Sstevel@tonic-gate */ 54157c478bd9Sstevel@tonic-gate void 54167c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 54177c478bd9Sstevel@tonic-gate { 54187c478bd9Sstevel@tonic-gate uint_t i; 54197c478bd9Sstevel@tonic-gate 54207c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 54217c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 54227c478bd9Sstevel@tonic-gate } 54237c478bd9Sstevel@tonic-gate 54247c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 54257c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 54267c478bd9Sstevel@tonic-gate uint_t op; 54277c478bd9Sstevel@tonic-gate 54287c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 54297c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 54307c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 54317c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 54327c478bd9Sstevel@tonic-gate } 54337c478bd9Sstevel@tonic-gate } 54347c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 54357c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 54367c478bd9Sstevel@tonic-gate } 54377c478bd9Sstevel@tonic-gate } 54387c478bd9Sstevel@tonic-gate 54397c478bd9Sstevel@tonic-gate /* 54407c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 54417c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 54427c478bd9Sstevel@tonic-gate */ 54437c478bd9Sstevel@tonic-gate void 54447c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 54457c478bd9Sstevel@tonic-gate { 54467c478bd9Sstevel@tonic-gate int i; 54477c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 54487c478bd9Sstevel@tonic-gate 54497c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 54507c478bd9Sstevel@tonic-gate uint_t op; 54517c478bd9Sstevel@tonic-gate 54527c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 54537c478bd9Sstevel@tonic-gate 54547c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 54557c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 54567c478bd9Sstevel@tonic-gate else 54577c478bd9Sstevel@tonic-gate flag = 0; 54587c478bd9Sstevel@tonic-gate } 54597c478bd9Sstevel@tonic-gate *flagp = flag; 54607c478bd9Sstevel@tonic-gate } 54617c478bd9Sstevel@tonic-gate 54627c478bd9Sstevel@tonic-gate nfsstat4 54637c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 54647c478bd9Sstevel@tonic-gate { 54657c478bd9Sstevel@tonic-gate nfsstat4 e; 54667c478bd9Sstevel@tonic-gate 54677c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp->dbe); 54687c478bd9Sstevel@tonic-gate 54697c478bd9Sstevel@tonic-gate if (cp->sysidt != LM_NOSYSID) { 54707c478bd9Sstevel@tonic-gate *sp = cp->sysidt; 54717c478bd9Sstevel@tonic-gate e = NFS4_OK; 54727c478bd9Sstevel@tonic-gate 54737c478bd9Sstevel@tonic-gate } else if ((cp->sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 54747c478bd9Sstevel@tonic-gate *sp = cp->sysidt; 54757c478bd9Sstevel@tonic-gate e = NFS4_OK; 54767c478bd9Sstevel@tonic-gate 54777c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 54787c478bd9Sstevel@tonic-gate "rfs4_client_sysid: allocated 0x%x\n", *sp)); 54797c478bd9Sstevel@tonic-gate } else 54807c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 54817c478bd9Sstevel@tonic-gate 54827c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp->dbe); 54837c478bd9Sstevel@tonic-gate return (e); 54847c478bd9Sstevel@tonic-gate } 54857c478bd9Sstevel@tonic-gate 54867c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 54877c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 54887c478bd9Sstevel@tonic-gate { 54897c478bd9Sstevel@tonic-gate char *op, *type; 54907c478bd9Sstevel@tonic-gate 54917c478bd9Sstevel@tonic-gate switch (operation) { 54927c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 54937c478bd9Sstevel@tonic-gate break; 54947c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 54957c478bd9Sstevel@tonic-gate break; 54967c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 54977c478bd9Sstevel@tonic-gate break; 54987c478bd9Sstevel@tonic-gate } 54997c478bd9Sstevel@tonic-gate switch (flk->l_type) { 55007c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 55017c478bd9Sstevel@tonic-gate break; 55027c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 55037c478bd9Sstevel@tonic-gate break; 55047c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 55057c478bd9Sstevel@tonic-gate break; 55067c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 55077c478bd9Sstevel@tonic-gate break; 55087c478bd9Sstevel@tonic-gate } 55097c478bd9Sstevel@tonic-gate 55107c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 55117c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 55127c478bd9Sstevel@tonic-gate str, op, type, 55137c478bd9Sstevel@tonic-gate (longlong_t)flk->l_start, 55147c478bd9Sstevel@tonic-gate flk->l_len ? (longlong_t)flk->l_len : ~0LL, 55157c478bd9Sstevel@tonic-gate flk->l_pid); 55167c478bd9Sstevel@tonic-gate } 55177c478bd9Sstevel@tonic-gate 55187c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 55197c478bd9Sstevel@tonic-gate #else 55207c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 55217c478bd9Sstevel@tonic-gate #endif 55227c478bd9Sstevel@tonic-gate 55237c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 55247c478bd9Sstevel@tonic-gate static bool_t 55257c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 55267c478bd9Sstevel@tonic-gate { 55277c478bd9Sstevel@tonic-gate return (TRUE); 55287c478bd9Sstevel@tonic-gate } 55297c478bd9Sstevel@tonic-gate 55307c478bd9Sstevel@tonic-gate /* 55317c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 55327c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 55337c478bd9Sstevel@tonic-gate */ 55347c478bd9Sstevel@tonic-gate 55357c478bd9Sstevel@tonic-gate static nfsstat4 55367c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 55377c478bd9Sstevel@tonic-gate struct compound_state *cs) 55387c478bd9Sstevel@tonic-gate { 55397c478bd9Sstevel@tonic-gate char *nm; 55407c478bd9Sstevel@tonic-gate uint32_t len; 55417c478bd9Sstevel@tonic-gate nfsstat4 status; 55427c478bd9Sstevel@tonic-gate 55437c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 55447c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 55457c478bd9Sstevel@tonic-gate } 55467c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 55477c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 55487c478bd9Sstevel@tonic-gate } 55497c478bd9Sstevel@tonic-gate 55507c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 55517c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 55527c478bd9Sstevel@tonic-gate 55537c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 55547c478bd9Sstevel@tonic-gate if (nm == NULL) { 55557c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 55567c478bd9Sstevel@tonic-gate } 55577c478bd9Sstevel@tonic-gate 55587c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 55597c478bd9Sstevel@tonic-gate kmem_free(nm, len); 55607c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 55617c478bd9Sstevel@tonic-gate } 55627c478bd9Sstevel@tonic-gate 55637c478bd9Sstevel@tonic-gate status = do_rfs4_op_lookup(nm, len, req, cs); 55647c478bd9Sstevel@tonic-gate 55657c478bd9Sstevel@tonic-gate kmem_free(nm, len); 55667c478bd9Sstevel@tonic-gate 55677c478bd9Sstevel@tonic-gate return (status); 55687c478bd9Sstevel@tonic-gate } 55697c478bd9Sstevel@tonic-gate 55707c478bd9Sstevel@tonic-gate static nfsstat4 55717c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 55727c478bd9Sstevel@tonic-gate struct compound_state *cs, uint32_t access, 55737c478bd9Sstevel@tonic-gate change_info4 *cinfo) 55747c478bd9Sstevel@tonic-gate { 55757c478bd9Sstevel@tonic-gate nfsstat4 status; 55767c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 55777c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 55787c478bd9Sstevel@tonic-gate int error; 55797c478bd9Sstevel@tonic-gate 55807c478bd9Sstevel@tonic-gate /* Get "before" change value */ 55817c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 55827c478bd9Sstevel@tonic-gate error = VOP_GETATTR(dvp, &bva, 0, cs->cr); 55837c478bd9Sstevel@tonic-gate if (error) 55847c478bd9Sstevel@tonic-gate return (puterrno4(error)); 55857c478bd9Sstevel@tonic-gate 55867c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 55877c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 55887c478bd9Sstevel@tonic-gate 55897c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 55907c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 55917c478bd9Sstevel@tonic-gate VN_RELE(dvp); 55927c478bd9Sstevel@tonic-gate return (status); 55937c478bd9Sstevel@tonic-gate } 55947c478bd9Sstevel@tonic-gate 55957c478bd9Sstevel@tonic-gate /* 55967c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 55977c478bd9Sstevel@tonic-gate * before value. 55987c478bd9Sstevel@tonic-gate */ 55997c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 56007c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &ava, 0, cs->cr)) { 56017c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 56027c478bd9Sstevel@tonic-gate ava.va_seq = 0; 56037c478bd9Sstevel@tonic-gate } 56047c478bd9Sstevel@tonic-gate VN_RELE(dvp); 56057c478bd9Sstevel@tonic-gate 56067c478bd9Sstevel@tonic-gate /* 56077c478bd9Sstevel@tonic-gate * Validate the file is a file 56087c478bd9Sstevel@tonic-gate */ 56097c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 56107c478bd9Sstevel@tonic-gate error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr); 56117c478bd9Sstevel@tonic-gate if (error) 56127c478bd9Sstevel@tonic-gate return (puterrno4(error)); 56137c478bd9Sstevel@tonic-gate 56147c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 56157c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 56167c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 56177c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 56187c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 56197c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 56207c478bd9Sstevel@tonic-gate } 56217c478bd9Sstevel@tonic-gate 56227c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 56237c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 56247c478bd9Sstevel@tonic-gate 56257c478bd9Sstevel@tonic-gate /* 56267c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 56277c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 56287c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 56297c478bd9Sstevel@tonic-gate */ 56307c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 56317c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 56327c478bd9Sstevel@tonic-gate else 56337c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 56347c478bd9Sstevel@tonic-gate 56357c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 56367c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 56377c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 56387c478bd9Sstevel@tonic-gate } 56397c478bd9Sstevel@tonic-gate 56407c478bd9Sstevel@tonic-gate static nfsstat4 56417c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 56427c478bd9Sstevel@tonic-gate timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 56437c478bd9Sstevel@tonic-gate { 56447c478bd9Sstevel@tonic-gate int error; 56457c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 56467c478bd9Sstevel@tonic-gate vattr_t va; 56477c478bd9Sstevel@tonic-gate 56487c478bd9Sstevel@tonic-gate tryagain: 56497c478bd9Sstevel@tonic-gate 56507c478bd9Sstevel@tonic-gate /* 56517c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 56527c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 56537c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 56547c478bd9Sstevel@tonic-gate * passed as part of the arguments. 56557c478bd9Sstevel@tonic-gate */ 56567c478bd9Sstevel@tonic-gate 56577c478bd9Sstevel@tonic-gate *created = TRUE; 56587c478bd9Sstevel@tonic-gate error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0); 56597c478bd9Sstevel@tonic-gate 56607c478bd9Sstevel@tonic-gate if (error) { 56617c478bd9Sstevel@tonic-gate *created = FALSE; 56627c478bd9Sstevel@tonic-gate 56637c478bd9Sstevel@tonic-gate /* 56647c478bd9Sstevel@tonic-gate * If we got something other than file already exists 56657c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 56667c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 56677c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 56687c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 56697c478bd9Sstevel@tonic-gate * exclusive create request. 56707c478bd9Sstevel@tonic-gate * 56717c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 56727c478bd9Sstevel@tonic-gate * request will never return EEXIST. 56737c478bd9Sstevel@tonic-gate */ 56747c478bd9Sstevel@tonic-gate 56757c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 56767c478bd9Sstevel@tonic-gate status = puterrno4(error); 56777c478bd9Sstevel@tonic-gate return (status); 56787c478bd9Sstevel@tonic-gate } 56797c478bd9Sstevel@tonic-gate error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr); 56807c478bd9Sstevel@tonic-gate 56817c478bd9Sstevel@tonic-gate if (error) { 56827c478bd9Sstevel@tonic-gate /* 56837c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 56847c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 56857c478bd9Sstevel@tonic-gate * it again. 56867c478bd9Sstevel@tonic-gate */ 56877c478bd9Sstevel@tonic-gate if (error == ENOENT) 56887c478bd9Sstevel@tonic-gate goto tryagain; 56897c478bd9Sstevel@tonic-gate 56907c478bd9Sstevel@tonic-gate status = puterrno4(error); 56917c478bd9Sstevel@tonic-gate return (status); 56927c478bd9Sstevel@tonic-gate } 56937c478bd9Sstevel@tonic-gate 56947c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 56957c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 56967c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 56977c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 56987c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 56997c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 57007c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 57017c478bd9Sstevel@tonic-gate else 57027c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 57037c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 57047c478bd9Sstevel@tonic-gate return (status); 57057c478bd9Sstevel@tonic-gate } 57067c478bd9Sstevel@tonic-gate 57077c478bd9Sstevel@tonic-gate return (NFS4_OK); 57087c478bd9Sstevel@tonic-gate } 57097c478bd9Sstevel@tonic-gate 57107c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 57117c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 57127c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 57137c478bd9Sstevel@tonic-gate error = VOP_GETATTR(*vpp, &va, 0, cr); 57147c478bd9Sstevel@tonic-gate if (!error) { 57157c478bd9Sstevel@tonic-gate /* We found the file */ 57167c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 57177c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 57187c478bd9Sstevel@tonic-gate /* but its not our creation */ 57197c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 57207c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 57217c478bd9Sstevel@tonic-gate } 57227c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 57237c478bd9Sstevel@tonic-gate return (NFS4_OK); 57247c478bd9Sstevel@tonic-gate } 57257c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 57267c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 57277c478bd9Sstevel@tonic-gate } 57287c478bd9Sstevel@tonic-gate 57297c478bd9Sstevel@tonic-gate return (NFS4_OK); 57307c478bd9Sstevel@tonic-gate } 57317c478bd9Sstevel@tonic-gate 57327c478bd9Sstevel@tonic-gate static nfsstat4 57337c478bd9Sstevel@tonic-gate check_open_access(uint32_t access, 57347c478bd9Sstevel@tonic-gate struct compound_state *cs, struct svc_req *req) 57357c478bd9Sstevel@tonic-gate { 57367c478bd9Sstevel@tonic-gate int error; 57377c478bd9Sstevel@tonic-gate vnode_t *vp; 57387c478bd9Sstevel@tonic-gate bool_t readonly; 57397c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 57407c478bd9Sstevel@tonic-gate 57417c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 57427c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 57437c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 57447c478bd9Sstevel@tonic-gate } 57457c478bd9Sstevel@tonic-gate 57467c478bd9Sstevel@tonic-gate vp = cs->vp; 57477c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 57487c478bd9Sstevel@tonic-gate 57497c478bd9Sstevel@tonic-gate /* 57507c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 57517c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 57527c478bd9Sstevel@tonic-gate */ 57537c478bd9Sstevel@tonic-gate 57547c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 57557c478bd9Sstevel@tonic-gate 57567c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 57577c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 57587c478bd9Sstevel@tonic-gate 57597c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 57607c478bd9Sstevel@tonic-gate if ((VOP_ACCESS(vp, VREAD, 0, cr) != 0) && 57617c478bd9Sstevel@tonic-gate (VOP_ACCESS(vp, VEXEC, 0, cr) != 0)) { 57627c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 57637c478bd9Sstevel@tonic-gate } 57647c478bd9Sstevel@tonic-gate } 57657c478bd9Sstevel@tonic-gate 57667c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 57677c478bd9Sstevel@tonic-gate error = VOP_ACCESS(vp, VWRITE, 0, cr); 57687c478bd9Sstevel@tonic-gate if (error) 57697c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 57707c478bd9Sstevel@tonic-gate } 57717c478bd9Sstevel@tonic-gate 57727c478bd9Sstevel@tonic-gate return (NFS4_OK); 57737c478bd9Sstevel@tonic-gate } 57747c478bd9Sstevel@tonic-gate 57757c478bd9Sstevel@tonic-gate static nfsstat4 57767c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 57777c478bd9Sstevel@tonic-gate change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 57787c478bd9Sstevel@tonic-gate { 57797c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 57807c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 57817c478bd9Sstevel@tonic-gate 57827c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 57837c478bd9Sstevel@tonic-gate struct statvfs64 sb; 57847c478bd9Sstevel@tonic-gate nfsstat4 status; 57857c478bd9Sstevel@tonic-gate vnode_t *vp; 57867c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 57877c478bd9Sstevel@tonic-gate vnode_t *dvp; 57887c478bd9Sstevel@tonic-gate timespec32_t *mtime; 57897c478bd9Sstevel@tonic-gate char *nm = NULL; 57907c478bd9Sstevel@tonic-gate uint_t buflen; 57917c478bd9Sstevel@tonic-gate bool_t created; 57927c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 57937c478bd9Sstevel@tonic-gate len_t reqsize; 57947c478bd9Sstevel@tonic-gate int error; 57957c478bd9Sstevel@tonic-gate bool_t trunc; 57967c478bd9Sstevel@tonic-gate caller_context_t ct; 57977c478bd9Sstevel@tonic-gate component4 *component; 579845916cd2Sjpk bslabel_t *clabel; 57997c478bd9Sstevel@tonic-gate 58007c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 58017c478bd9Sstevel@tonic-gate 58027c478bd9Sstevel@tonic-gate dvp = cs->vp; 58037c478bd9Sstevel@tonic-gate 58047c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 58057c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 58067c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 58077c478bd9Sstevel@tonic-gate 580845916cd2Sjpk /* check the label of including directory */ 580945916cd2Sjpk if (is_system_labeled()) { 581045916cd2Sjpk ASSERT(req->rq_label != NULL); 581145916cd2Sjpk clabel = req->rq_label; 581245916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 581345916cd2Sjpk "got client label from request(1)", 581445916cd2Sjpk struct svc_req *, req); 581545916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 581645916cd2Sjpk if (!do_rfs4_label_check(clabel, dvp, EQUALITY_CHECK)) { 581745916cd2Sjpk return (NFS4ERR_ACCESS); 581845916cd2Sjpk } 581945916cd2Sjpk } 582045916cd2Sjpk } 582145916cd2Sjpk 58227c478bd9Sstevel@tonic-gate /* 58237c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 58247c478bd9Sstevel@tonic-gate * the including directory on success. 58257c478bd9Sstevel@tonic-gate */ 58267c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 58277c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 58287c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 58297c478bd9Sstevel@tonic-gate 58307c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 58317c478bd9Sstevel@tonic-gate 58327c478bd9Sstevel@tonic-gate if (nm == NULL) 58337c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 58347c478bd9Sstevel@tonic-gate 58357c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 58367c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58377c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 58387c478bd9Sstevel@tonic-gate } 58397c478bd9Sstevel@tonic-gate 58407c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 58417c478bd9Sstevel@tonic-gate error = VOP_GETATTR(dvp, &bva, 0, cs->cr); 58427c478bd9Sstevel@tonic-gate if (error) { 58437c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58447c478bd9Sstevel@tonic-gate return (puterrno4(error)); 58457c478bd9Sstevel@tonic-gate } 58467c478bd9Sstevel@tonic-gate 58477c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 58487c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58497c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 58507c478bd9Sstevel@tonic-gate } 58517c478bd9Sstevel@tonic-gate 58527c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 58537c478bd9Sstevel@tonic-gate 58547c478bd9Sstevel@tonic-gate switch (args->mode) { 58557c478bd9Sstevel@tonic-gate case GUARDED4: 58567c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 58577c478bd9Sstevel@tonic-gate case UNCHECKED4: 58587c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 58597c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 58607c478bd9Sstevel@tonic-gate 58617c478bd9Sstevel@tonic-gate *attrset = 0; 58627c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 58637c478bd9Sstevel@tonic-gate &args->createhow4_u.createattrs, 58647c478bd9Sstevel@tonic-gate cs, &sarg, &ntov, NFS4ATTR_SETIT); 58657c478bd9Sstevel@tonic-gate 58667c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 58677c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 58687c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 58697c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 58707c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 58717c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 58727c478bd9Sstevel@tonic-gate else 58737c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 58747c478bd9Sstevel@tonic-gate } 58757c478bd9Sstevel@tonic-gate 58767c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 58777c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58787c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 58797c478bd9Sstevel@tonic-gate *attrset = 0; 58807c478bd9Sstevel@tonic-gate return (status); 58817c478bd9Sstevel@tonic-gate } 58827c478bd9Sstevel@tonic-gate 58837c478bd9Sstevel@tonic-gate vap = sarg.vap; 58847c478bd9Sstevel@tonic-gate vap->va_type = VREG; 58857c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 58867c478bd9Sstevel@tonic-gate 58877c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 58887c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 58897c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 58907c478bd9Sstevel@tonic-gate } 58917c478bd9Sstevel@tonic-gate 58927c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 58937c478bd9Sstevel@tonic-gate 58947c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 58957c478bd9Sstevel@tonic-gate 58967c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 58977c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58987c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 58997c478bd9Sstevel@tonic-gate *attrset = 0; 59007c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59017c478bd9Sstevel@tonic-gate } 59027c478bd9Sstevel@tonic-gate setsize = TRUE; 59037c478bd9Sstevel@tonic-gate } 59047c478bd9Sstevel@tonic-gate break; 59057c478bd9Sstevel@tonic-gate 59067c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 59077c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 59087c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 59097c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 59107c478bd9Sstevel@tonic-gate *attrset = 0; 59117c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59127c478bd9Sstevel@tonic-gate } 59137c478bd9Sstevel@tonic-gate 59147c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 59157c478bd9Sstevel@tonic-gate cva.va_type = VREG; 59167c478bd9Sstevel@tonic-gate /* 59177c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 59187c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 59197c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 59207c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 59217c478bd9Sstevel@tonic-gate */ 59227c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 59237c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 59247c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 59257c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 59267c478bd9Sstevel@tonic-gate vap = &cva; 59277c478bd9Sstevel@tonic-gate break; 59287c478bd9Sstevel@tonic-gate } 59297c478bd9Sstevel@tonic-gate 59307c478bd9Sstevel@tonic-gate status = create_vnode(dvp, nm, vap, args->mode, mtime, 59317c478bd9Sstevel@tonic-gate cs->cr, &vp, &created); 59327c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 59337c478bd9Sstevel@tonic-gate 59347c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 59357c478bd9Sstevel@tonic-gate if (ntov_table_init) 59367c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 59377c478bd9Sstevel@tonic-gate *attrset = 0; 59387c478bd9Sstevel@tonic-gate return (status); 59397c478bd9Sstevel@tonic-gate } 59407c478bd9Sstevel@tonic-gate 59417c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 59427c478bd9Sstevel@tonic-gate 59437c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 59447c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 59457c478bd9Sstevel@tonic-gate 59467c478bd9Sstevel@tonic-gate /* 59477c478bd9Sstevel@tonic-gate * True verification that object was created with correct 59487c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 59497c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 59507c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 59517c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 59527c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 59537c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 59547c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 59557c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 59567c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 59577c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 59587c478bd9Sstevel@tonic-gate * 59597c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 59607c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 59617c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 59627c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 59637c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 59647c478bd9Sstevel@tonic-gate */ 59657c478bd9Sstevel@tonic-gate if (created) { 59667c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 59677c478bd9Sstevel@tonic-gate *attrset &= createmask; 59687c478bd9Sstevel@tonic-gate } else { 59697c478bd9Sstevel@tonic-gate /* 59707c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 59717c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 59727c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 59737c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 59747c478bd9Sstevel@tonic-gate */ 59757c478bd9Sstevel@tonic-gate *attrset = 0; 59767c478bd9Sstevel@tonic-gate if (trunc) 59777c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 59787c478bd9Sstevel@tonic-gate } 59797c478bd9Sstevel@tonic-gate } 59807c478bd9Sstevel@tonic-gate if (ntov_table_init) 59817c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 59827c478bd9Sstevel@tonic-gate 59837c478bd9Sstevel@tonic-gate /* 59847c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 59857c478bd9Sstevel@tonic-gate * set to zero, time to before. 59867c478bd9Sstevel@tonic-gate */ 59877c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 59887c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &iva, 0, cs->cr)) { 59897c478bd9Sstevel@tonic-gate iva.va_seq = 0; 59907c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 59917c478bd9Sstevel@tonic-gate } 59927c478bd9Sstevel@tonic-gate 59937c478bd9Sstevel@tonic-gate /* 59947c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 59957c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 59967c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 59977c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 59987c478bd9Sstevel@tonic-gate * we don't know what changed it. 59997c478bd9Sstevel@tonic-gate */ 60007c478bd9Sstevel@tonic-gate if (!created) { 60017c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 60027c478bd9Sstevel@tonic-gate bva.va_seq == iva.va_seq) 60037c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 60047c478bd9Sstevel@tonic-gate else 60057c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 60067c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 60077c478bd9Sstevel@tonic-gate } else { 60087c478bd9Sstevel@tonic-gate /* 60097c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 60107c478bd9Sstevel@tonic-gate * directory metadata. 60117c478bd9Sstevel@tonic-gate */ 60127c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(dvp, 0, cs->cr); 60137c478bd9Sstevel@tonic-gate 60147c478bd9Sstevel@tonic-gate /* 60157c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 60167c478bd9Sstevel@tonic-gate * before value. 60177c478bd9Sstevel@tonic-gate */ 60187c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 60197c478bd9Sstevel@tonic-gate if (VOP_GETATTR(dvp, &ava, 0, cs->cr)) { 60207c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 60217c478bd9Sstevel@tonic-gate ava.va_seq = 0; 60227c478bd9Sstevel@tonic-gate } 60237c478bd9Sstevel@tonic-gate 60247c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 60257c478bd9Sstevel@tonic-gate 60267c478bd9Sstevel@tonic-gate /* 60277c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 60287c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 60297c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 60307c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 60317c478bd9Sstevel@tonic-gate */ 60327c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 60337c478bd9Sstevel@tonic-gate iva.va_seq == (bva.va_seq + 1) && 60347c478bd9Sstevel@tonic-gate iva.va_seq == ava.va_seq) 60357c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 60367c478bd9Sstevel@tonic-gate else 60377c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 60387c478bd9Sstevel@tonic-gate } 60397c478bd9Sstevel@tonic-gate 60407c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 60417c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 60427c478bd9Sstevel@tonic-gate if (setsize) 60437c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 60447c478bd9Sstevel@tonic-gate 60457c478bd9Sstevel@tonic-gate /* Assume the worst */ 60467c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 60477c478bd9Sstevel@tonic-gate 60487c478bd9Sstevel@tonic-gate if (VOP_GETATTR(vp, &cva, 0, cs->cr) == 0) { 60497c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 60507c478bd9Sstevel@tonic-gate 60517c478bd9Sstevel@tonic-gate /* 60527c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 60537c478bd9Sstevel@tonic-gate * the case for create over an existing file. 60547c478bd9Sstevel@tonic-gate */ 60557c478bd9Sstevel@tonic-gate 60567c478bd9Sstevel@tonic-gate if (trunc) { 60577c478bd9Sstevel@tonic-gate int in_crit = 0; 60587c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 60597c478bd9Sstevel@tonic-gate bool_t create = FALSE; 60607c478bd9Sstevel@tonic-gate 60617c478bd9Sstevel@tonic-gate /* 60627c478bd9Sstevel@tonic-gate * We are writing over an existing file. 60637c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 60647c478bd9Sstevel@tonic-gate */ 60657c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 60667c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 60677c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 60687c478bd9Sstevel@tonic-gate (reqsize == 0), FALSE, FALSE, 60697c478bd9Sstevel@tonic-gate &clientid)) { 60707c478bd9Sstevel@tonic-gate 60717c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 60727c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 60737c478bd9Sstevel@tonic-gate VN_RELE(vp); 60747c478bd9Sstevel@tonic-gate *attrset = 0; 60757c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 60767c478bd9Sstevel@tonic-gate } 60777c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 60787c478bd9Sstevel@tonic-gate } 60797c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 60807c478bd9Sstevel@tonic-gate 60817c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 60827c478bd9Sstevel@tonic-gate in_crit = 1; 60837c478bd9Sstevel@tonic-gate 60847c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 60857c478bd9Sstevel@tonic-gate 60867c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 60877c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 60887c478bd9Sstevel@tonic-gate cva.va_size, 0)) { 60897c478bd9Sstevel@tonic-gate in_crit = 0; 60907c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 60917c478bd9Sstevel@tonic-gate VN_RELE(vp); 60927c478bd9Sstevel@tonic-gate *attrset = 0; 60937c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 60947c478bd9Sstevel@tonic-gate } 60957c478bd9Sstevel@tonic-gate } 60967c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 60977c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 60987c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 60997c478bd9Sstevel@tonic-gate 61007c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 61017c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 61027c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 61037c478bd9Sstevel@tonic-gate if (in_crit) 61047c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 61057c478bd9Sstevel@tonic-gate } 61067c478bd9Sstevel@tonic-gate } 61077c478bd9Sstevel@tonic-gate 61087c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 61097c478bd9Sstevel@tonic-gate 61107c478bd9Sstevel@tonic-gate /* 61117c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 61127c478bd9Sstevel@tonic-gate */ 61137c478bd9Sstevel@tonic-gate (void) VOP_FSYNC(vp, FNODSYNC, cs->cr); 61147c478bd9Sstevel@tonic-gate 61157c478bd9Sstevel@tonic-gate if (error) { 61167c478bd9Sstevel@tonic-gate VN_RELE(vp); 61177c478bd9Sstevel@tonic-gate *attrset = 0; 61187c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61197c478bd9Sstevel@tonic-gate } 61207c478bd9Sstevel@tonic-gate 61217c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 61227c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 61237c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 61247c478bd9Sstevel@tonic-gate 61257c478bd9Sstevel@tonic-gate if (cs->vp) 61267c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 61277c478bd9Sstevel@tonic-gate 61287c478bd9Sstevel@tonic-gate cs->vp = vp; 61297c478bd9Sstevel@tonic-gate 61307c478bd9Sstevel@tonic-gate /* 61317c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 61327c478bd9Sstevel@tonic-gate * the access bits on the file 61337c478bd9Sstevel@tonic-gate */ 61347c478bd9Sstevel@tonic-gate 61357c478bd9Sstevel@tonic-gate if (!created) { 61367c478bd9Sstevel@tonic-gate if (setsize) 61377c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 61387c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 61397c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 61407c478bd9Sstevel@tonic-gate *attrset = 0; 61417c478bd9Sstevel@tonic-gate } 61427c478bd9Sstevel@tonic-gate return (status); 61437c478bd9Sstevel@tonic-gate } 61447c478bd9Sstevel@tonic-gate 61457c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 61467c478bd9Sstevel@tonic-gate static void 61477c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 61487c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo, delegreq_t deleg, 61497c478bd9Sstevel@tonic-gate uint32_t access, uint32_t deny, 61507c478bd9Sstevel@tonic-gate OPEN4res *resp) 61517c478bd9Sstevel@tonic-gate { 61527c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 61537c478bd9Sstevel@tonic-gate rfs4_state_t *state; 61547c478bd9Sstevel@tonic-gate rfs4_file_t *file; 61557c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 61567c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 61577c478bd9Sstevel@tonic-gate uint32_t amodes; 61587c478bd9Sstevel@tonic-gate uint32_t dmodes; 61597c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 61607c478bd9Sstevel@tonic-gate struct shrlock shr; 61617c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 61627c478bd9Sstevel@tonic-gate sysid_t sysid; 61637c478bd9Sstevel@tonic-gate nfsstat4 status; 61647c478bd9Sstevel@tonic-gate int fflags = 0; 61657c478bd9Sstevel@tonic-gate int recall = 0; 61667c478bd9Sstevel@tonic-gate int err; 61677c478bd9Sstevel@tonic-gate 61687c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 61697c478bd9Sstevel@tonic-gate file = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 61707c478bd9Sstevel@tonic-gate if (file == NULL) { 61717c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 61727c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_open: can't find file")); 61737c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 61747c478bd9Sstevel@tonic-gate return; 61757c478bd9Sstevel@tonic-gate } 61767c478bd9Sstevel@tonic-gate 61777c478bd9Sstevel@tonic-gate state = rfs4_findstate_by_owner_file(oo, file, &screate); 61787c478bd9Sstevel@tonic-gate if (state == NULL) { 61797c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 61807c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_open: can't find state")); 61817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 61827c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 61837c478bd9Sstevel@tonic-gate rfs4_file_rele_withunlock(file); 61847c478bd9Sstevel@tonic-gate return; 61857c478bd9Sstevel@tonic-gate } 61867c478bd9Sstevel@tonic-gate 6187fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 61887c478bd9Sstevel@tonic-gate if ((status = rfs4_client_sysid(oo->client, &sysid)) != NFS4_OK) { 61897c478bd9Sstevel@tonic-gate resp->status = status; 61907c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 61917c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 61927c478bd9Sstevel@tonic-gate if (screate == TRUE) 61937c478bd9Sstevel@tonic-gate rfs4_state_close(state, FALSE, FALSE, cs->cr); 61947c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 61957c478bd9Sstevel@tonic-gate return; 61967c478bd9Sstevel@tonic-gate } 61977c478bd9Sstevel@tonic-gate 6198fd93bfc3Sjwahlig /* 6199fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6200fd93bfc3Sjwahlig * the file for this open owner; 6201fd93bfc3Sjwahlig */ 6202fd93bfc3Sjwahlig dmodes = (deny & ~state->share_deny); 6203fd93bfc3Sjwahlig amodes = (access & ~state->share_access); 62047c478bd9Sstevel@tonic-gate 6205fd93bfc3Sjwahlig /* 6206fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6207fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6208fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6209fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6210fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6211fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6212fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6213fd93bfc3Sjwahlig * on shares modes. 6214fd93bfc3Sjwahlig */ 62157c478bd9Sstevel@tonic-gate 6216fd93bfc3Sjwahlig if (dmodes || amodes) { 6217fd93bfc3Sjwahlig shr.s_access = (short)access; 6218fd93bfc3Sjwahlig shr.s_deny = (short)deny; 6219fd93bfc3Sjwahlig shr.s_pid = rfs4_dbe_getid(oo->dbe); 6220fd93bfc3Sjwahlig shr.s_sysid = sysid; 6221fd93bfc3Sjwahlig shr_loco.sl_pid = shr.s_pid; 6222fd93bfc3Sjwahlig shr_loco.sl_id = shr.s_sysid; 6223fd93bfc3Sjwahlig shr.s_owner = (caddr_t)&shr_loco; 6224fd93bfc3Sjwahlig shr.s_own_len = sizeof (shr_loco); 62257c478bd9Sstevel@tonic-gate 6226fd93bfc3Sjwahlig fflags = 0; 6227fd93bfc3Sjwahlig if (access & OPEN4_SHARE_ACCESS_READ) 6228fd93bfc3Sjwahlig fflags |= FREAD; 6229fd93bfc3Sjwahlig if (access & OPEN4_SHARE_ACCESS_WRITE) 6230fd93bfc3Sjwahlig fflags |= FWRITE; 6231fd93bfc3Sjwahlig 6232fd93bfc3Sjwahlig if ((err = vop_shrlock(cs->vp, F_SHARE, &shr, fflags)) != 0) { 6233fd93bfc3Sjwahlig 6234fd93bfc3Sjwahlig resp->status = err == EAGAIN ? 6235fd93bfc3Sjwahlig NFS4ERR_SHARE_DENIED : puterrno4(err); 6236fd93bfc3Sjwahlig 6237fd93bfc3Sjwahlig rfs4_file_rele(file); 6238fd93bfc3Sjwahlig /* Not a fully formed open; "close" it */ 6239fd93bfc3Sjwahlig if (screate == TRUE) 6240fd93bfc3Sjwahlig rfs4_state_close(state, FALSE, FALSE, cs->cr); 6241fd93bfc3Sjwahlig rfs4_state_rele(state); 6242fd93bfc3Sjwahlig return; 6243fd93bfc3Sjwahlig } 62447c478bd9Sstevel@tonic-gate } 62457c478bd9Sstevel@tonic-gate 62467c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 62477c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 62487c478bd9Sstevel@tonic-gate 62497c478bd9Sstevel@tonic-gate /* 62507c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 62517c478bd9Sstevel@tonic-gate * recall needs to be done. 62527c478bd9Sstevel@tonic-gate */ 62537c478bd9Sstevel@tonic-gate if (rfs4_check_recall(state, access)) { 62547c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 62557c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 62567c478bd9Sstevel@tonic-gate rfs4_recall_deleg(file, FALSE, state->owner->client); 62577c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 62587c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 62597c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 62607c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 62617c478bd9Sstevel@tonic-gate if (rfs4_check_recall(state, access)) { 62627c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 62637c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 62647c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 62657c478bd9Sstevel@tonic-gate rfs4_update_lease(state->owner->client); 62667c478bd9Sstevel@tonic-gate /* recalculate flags to match what was added */ 62677c478bd9Sstevel@tonic-gate fflags = 0; 62687c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_READ) 62697c478bd9Sstevel@tonic-gate fflags |= FREAD; 62707c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_WRITE) 62717c478bd9Sstevel@tonic-gate fflags |= FWRITE; 62727c478bd9Sstevel@tonic-gate (void) vop_shrlock(cs->vp, F_UNSHARE, &shr, fflags); 62737c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 62747c478bd9Sstevel@tonic-gate if (screate == TRUE) 62757c478bd9Sstevel@tonic-gate rfs4_state_close(state, FALSE, FALSE, cs->cr); 62767c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 62777c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 62787c478bd9Sstevel@tonic-gate return; 62797c478bd9Sstevel@tonic-gate } 62807c478bd9Sstevel@tonic-gate } 62817c478bd9Sstevel@tonic-gate 62827c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_READ) 62837c478bd9Sstevel@tonic-gate file->deny_read++; 62847c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_WRITE) 62857c478bd9Sstevel@tonic-gate file->deny_write++; 62867c478bd9Sstevel@tonic-gate file->share_deny |= deny; 62877c478bd9Sstevel@tonic-gate state->share_deny |= deny; 62887c478bd9Sstevel@tonic-gate 62897c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_READ) 62907c478bd9Sstevel@tonic-gate file->access_read++; 62917c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_WRITE) 62927c478bd9Sstevel@tonic-gate file->access_write++; 62937c478bd9Sstevel@tonic-gate file->share_access |= access; 62947c478bd9Sstevel@tonic-gate state->share_access |= access; 62957c478bd9Sstevel@tonic-gate 62967c478bd9Sstevel@tonic-gate /* 62977c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 62987c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 62997c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 63007c478bd9Sstevel@tonic-gate * set the recall flag. 63017c478bd9Sstevel@tonic-gate */ 63027c478bd9Sstevel@tonic-gate 63037c478bd9Sstevel@tonic-gate dsp = rfs4_grant_delegation(deleg, state, &recall); 63047c478bd9Sstevel@tonic-gate 63057c478bd9Sstevel@tonic-gate cs->deleg = (file->dinfo->dtype == OPEN_DELEGATE_WRITE); 63067c478bd9Sstevel@tonic-gate 63077c478bd9Sstevel@tonic-gate next_stateid(&state->stateid); 63087c478bd9Sstevel@tonic-gate 63097c478bd9Sstevel@tonic-gate resp->stateid = state->stateid.stateid; 63107c478bd9Sstevel@tonic-gate 63117c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 63127c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 63137c478bd9Sstevel@tonic-gate 63147c478bd9Sstevel@tonic-gate if (dsp) { 63157c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 63167c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 63177c478bd9Sstevel@tonic-gate } 63187c478bd9Sstevel@tonic-gate 63197c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 63207c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 63217c478bd9Sstevel@tonic-gate 63227c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 63237c478bd9Sstevel@tonic-gate } 63247c478bd9Sstevel@tonic-gate 63257c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 63267c478bd9Sstevel@tonic-gate static void 63277c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 63287c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 63297c478bd9Sstevel@tonic-gate { 63307c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 63317c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 63327c478bd9Sstevel@tonic-gate 63337c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 63347c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 63357c478bd9Sstevel@tonic-gate req, cs, args->share_access, cinfo); 63367c478bd9Sstevel@tonic-gate else { 63377c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 63387c478bd9Sstevel@tonic-gate 63397c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 63407c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 63417c478bd9Sstevel@tonic-gate 63427c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 63437c478bd9Sstevel@tonic-gate oo->client->clientid); 63447c478bd9Sstevel@tonic-gate } 63457c478bd9Sstevel@tonic-gate 63467c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 63477c478bd9Sstevel@tonic-gate 63487c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 63497c478bd9Sstevel@tonic-gate 63507c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_ANY, args->share_access, 63517c478bd9Sstevel@tonic-gate args->share_deny, resp); 63527c478bd9Sstevel@tonic-gate 63537c478bd9Sstevel@tonic-gate /* 63547c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 63557c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 63567c478bd9Sstevel@tonic-gate */ 63577c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 63587c478bd9Sstevel@tonic-gate resp->attrset = 0; 63597c478bd9Sstevel@tonic-gate } 63607c478bd9Sstevel@tonic-gate } 63617c478bd9Sstevel@tonic-gate else 63627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 63637c478bd9Sstevel@tonic-gate 63647c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 63657c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 63667c478bd9Sstevel@tonic-gate } 63677c478bd9Sstevel@tonic-gate 63687c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 63697c478bd9Sstevel@tonic-gate static void 63707c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 63717c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 63727c478bd9Sstevel@tonic-gate { 63737c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 63747c478bd9Sstevel@tonic-gate vattr_t va; 63757c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 63767c478bd9Sstevel@tonic-gate int error = 0; 63777c478bd9Sstevel@tonic-gate 63787c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 63797c478bd9Sstevel@tonic-gate if (v_type != VREG) { 63807c478bd9Sstevel@tonic-gate if (v_type == VDIR) 63817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 63827c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 63837c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 63847c478bd9Sstevel@tonic-gate else 63857c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 63867c478bd9Sstevel@tonic-gate return; 63877c478bd9Sstevel@tonic-gate } 63887c478bd9Sstevel@tonic-gate 63897c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 63907c478bd9Sstevel@tonic-gate error = VOP_GETATTR(cs->vp, &va, 0, cs->cr); 63917c478bd9Sstevel@tonic-gate if (error) { 63927c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 63937c478bd9Sstevel@tonic-gate return; 63947c478bd9Sstevel@tonic-gate } 63957c478bd9Sstevel@tonic-gate 63967c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 63977c478bd9Sstevel@tonic-gate 63987c478bd9Sstevel@tonic-gate /* 63997c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 64007c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 64017c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 64027c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 64037c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 64047c478bd9Sstevel@tonic-gate */ 64057c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 64067c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 64077c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 64087c478bd9Sstevel@tonic-gate return; 64097c478bd9Sstevel@tonic-gate } 64107c478bd9Sstevel@tonic-gate } 64117c478bd9Sstevel@tonic-gate 64127c478bd9Sstevel@tonic-gate /* 64137c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 64147c478bd9Sstevel@tonic-gate */ 64157c478bd9Sstevel@tonic-gate cinfo->before = 0; 64167c478bd9Sstevel@tonic-gate cinfo->after = 0; 64177c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 64187c478bd9Sstevel@tonic-gate 64197c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 64207c478bd9Sstevel@tonic-gate NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 64217c478bd9Sstevel@tonic-gate args->share_access, args->share_deny, resp); 64227c478bd9Sstevel@tonic-gate } 64237c478bd9Sstevel@tonic-gate 64247c478bd9Sstevel@tonic-gate static void 64257c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 64267c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 64277c478bd9Sstevel@tonic-gate { 64287c478bd9Sstevel@tonic-gate int error; 64297c478bd9Sstevel@tonic-gate nfsstat4 status; 64307c478bd9Sstevel@tonic-gate stateid4 stateid = 64317c478bd9Sstevel@tonic-gate args->open_claim4_u.delegate_cur_info.delegate_stateid; 64327c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 64337c478bd9Sstevel@tonic-gate 64347c478bd9Sstevel@tonic-gate /* 64357c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 64367c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 64377c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 64387c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 64397c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 64407c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 64417c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 64427c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 64437c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 64447c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 64457c478bd9Sstevel@tonic-gate */ 64467c478bd9Sstevel@tonic-gate 64477c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 64487c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64497c478bd9Sstevel@tonic-gate resp->status = status; 64507c478bd9Sstevel@tonic-gate return; 64517c478bd9Sstevel@tonic-gate } 64527c478bd9Sstevel@tonic-gate 64537c478bd9Sstevel@tonic-gate ASSERT(dsp->finfo->dinfo->dtype != OPEN_DELEGATE_NONE); 64547c478bd9Sstevel@tonic-gate 64557c478bd9Sstevel@tonic-gate /* 64567c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 64577c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 64587c478bd9Sstevel@tonic-gate */ 64597c478bd9Sstevel@tonic-gate 64607c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 64617c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 64627c478bd9Sstevel@tonic-gate VN_HOLD(dsp->finfo->vp); 64637c478bd9Sstevel@tonic-gate cs->vp = dsp->finfo->vp; 64647c478bd9Sstevel@tonic-gate 64657c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 64667c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 64677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 64687c478bd9Sstevel@tonic-gate return; 64697c478bd9Sstevel@tonic-gate } 64707c478bd9Sstevel@tonic-gate 64717c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 64727c478bd9Sstevel@tonic-gate dsp->finfo->dinfo->time_lastwrite = gethrestime_sec(); 64737c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 64747c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 64757c478bd9Sstevel@tonic-gate args->share_access, args->share_deny, resp); 64767c478bd9Sstevel@tonic-gate } 64777c478bd9Sstevel@tonic-gate 64787c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 64797c478bd9Sstevel@tonic-gate static void 64807c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 64817c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 64827c478bd9Sstevel@tonic-gate { 64837c478bd9Sstevel@tonic-gate /* 64847c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 64857c478bd9Sstevel@tonic-gate * was delegated. 64867c478bd9Sstevel@tonic-gate * 64877c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 64887c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 64897c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 64907c478bd9Sstevel@tonic-gate * 64917c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 64927c478bd9Sstevel@tonic-gate */ 64937c478bd9Sstevel@tonic-gate rfs4_file_t *file; 64947c478bd9Sstevel@tonic-gate rfs4_state_t *state; 64957c478bd9Sstevel@tonic-gate bool_t create = FALSE; 64967c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 64977c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 64987c478bd9Sstevel@tonic-gate nfsace4 *ace; 64997c478bd9Sstevel@tonic-gate 65007c478bd9Sstevel@tonic-gate 65017c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 65027c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 65037c478bd9Sstevel@tonic-gate req, cs, args->share_access, &resp->cinfo); 65047c478bd9Sstevel@tonic-gate 65057c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 65067c478bd9Sstevel@tonic-gate return; 65077c478bd9Sstevel@tonic-gate } 65087c478bd9Sstevel@tonic-gate 65097c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 65107c478bd9Sstevel@tonic-gate file = rfs4_findfile_withlock(cs->vp, NULL, &create); 65117c478bd9Sstevel@tonic-gate if (file == NULL) { 65127c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65137c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_opendelprev: can't find file")); 65147c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65157c478bd9Sstevel@tonic-gate return; 65167c478bd9Sstevel@tonic-gate } 65177c478bd9Sstevel@tonic-gate 65187c478bd9Sstevel@tonic-gate state = rfs4_findstate_by_owner_file(oo, file, &create); 65197c478bd9Sstevel@tonic-gate if (state == NULL) { 65207c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65217c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_opendelprev: can't find state")); 65227c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65237c478bd9Sstevel@tonic-gate rfs4_file_rele_withunlock(file); 65247c478bd9Sstevel@tonic-gate return; 65257c478bd9Sstevel@tonic-gate } 65267c478bd9Sstevel@tonic-gate 65277c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 65287c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 65297c478bd9Sstevel@tonic-gate if (args->share_access != state->share_access || 65307c478bd9Sstevel@tonic-gate args->share_deny != state->share_deny || 65317c478bd9Sstevel@tonic-gate state->finfo->dinfo->dtype == OPEN_DELEGATE_NONE) { 65327c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65337c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 65347c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 65357c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 65367c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 65377c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 65387c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65397c478bd9Sstevel@tonic-gate return; 65407c478bd9Sstevel@tonic-gate } 65417c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 65427c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 65437c478bd9Sstevel@tonic-gate 65447c478bd9Sstevel@tonic-gate dsp = rfs4_finddeleg(state, &dcreate); 65457c478bd9Sstevel@tonic-gate if (dsp == NULL) { 65467c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 65477c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 65487c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65497c478bd9Sstevel@tonic-gate return; 65507c478bd9Sstevel@tonic-gate } 65517c478bd9Sstevel@tonic-gate 65527c478bd9Sstevel@tonic-gate next_stateid(&state->stateid); 65537c478bd9Sstevel@tonic-gate 65547c478bd9Sstevel@tonic-gate resp->stateid = state->stateid.stateid; 65557c478bd9Sstevel@tonic-gate 65567c478bd9Sstevel@tonic-gate resp->delegation.delegation_type = dsp->dtype; 65577c478bd9Sstevel@tonic-gate 65587c478bd9Sstevel@tonic-gate if (dsp->dtype == OPEN_DELEGATE_READ) { 65597c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 65607c478bd9Sstevel@tonic-gate &resp->delegation.open_delegation4_u.read; 65617c478bd9Sstevel@tonic-gate 65627c478bd9Sstevel@tonic-gate rv->stateid = dsp->delegid.stateid; 65637c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 65647c478bd9Sstevel@tonic-gate ace = &rv->permissions; 65657c478bd9Sstevel@tonic-gate } else { 65667c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 65677c478bd9Sstevel@tonic-gate &resp->delegation.open_delegation4_u.write; 65687c478bd9Sstevel@tonic-gate 65697c478bd9Sstevel@tonic-gate rv->stateid = dsp->delegid.stateid; 65707c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 65717c478bd9Sstevel@tonic-gate ace = &rv->permissions; 65727c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 65737c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 65747c478bd9Sstevel@tonic-gate } 65757c478bd9Sstevel@tonic-gate 65767c478bd9Sstevel@tonic-gate /* XXX For now */ 65777c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 65787c478bd9Sstevel@tonic-gate ace->flag = 0; 65797c478bd9Sstevel@tonic-gate ace->access_mask = 0; 65807c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 65817c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 65827c478bd9Sstevel@tonic-gate 65837c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 65847c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 65857c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 65867c478bd9Sstevel@tonic-gate } 65877c478bd9Sstevel@tonic-gate 65887c478bd9Sstevel@tonic-gate typedef enum { 65897c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 65907c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 65917c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 65927c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 65937c478bd9Sstevel@tonic-gate 65947c478bd9Sstevel@tonic-gate /* 65957c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 65967c478bd9Sstevel@tonic-gate */ 65977c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 65987c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 65997c478bd9Sstevel@tonic-gate seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 66007c478bd9Sstevel@tonic-gate { 66017c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 66027c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 66037c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 66047c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 66057c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 66067c478bd9Sstevel@tonic-gate } 66077c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 66087c478bd9Sstevel@tonic-gate "Replayed SEQID %d\n", seqid)); 66097c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 66107c478bd9Sstevel@tonic-gate } 66117c478bd9Sstevel@tonic-gate 66127c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 66137c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 66147c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 66157c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 66167c478bd9Sstevel@tonic-gate (CE_NOTE, "BAD SEQID: Replayed sequence id " 66177c478bd9Sstevel@tonic-gate "but last op was %d current op is %d\n", 66187c478bd9Sstevel@tonic-gate lastop->resop, resop->resop)); 66197c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 66207c478bd9Sstevel@tonic-gate } 66217c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 66227c478bd9Sstevel@tonic-gate (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 66237c478bd9Sstevel@tonic-gate rqst_seq, seqid)); 66247c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 66257c478bd9Sstevel@tonic-gate } 66267c478bd9Sstevel@tonic-gate 66277c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 66287c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 66297c478bd9Sstevel@tonic-gate } 66307c478bd9Sstevel@tonic-gate 66317c478bd9Sstevel@tonic-gate 66327c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66337c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 66347c478bd9Sstevel@tonic-gate { 66357c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 66367c478bd9Sstevel@tonic-gate 66377c478bd9Sstevel@tonic-gate rfs4_dbe_lock(op->dbe); 66387c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(op->open_seqid, op->reply, seqid, resop, TRUE); 66397c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(op->dbe); 66407c478bd9Sstevel@tonic-gate 66417c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 66427c478bd9Sstevel@tonic-gate rfs4_update_lease(op->client); 66437c478bd9Sstevel@tonic-gate 66447c478bd9Sstevel@tonic-gate return (rc); 66457c478bd9Sstevel@tonic-gate } 66467c478bd9Sstevel@tonic-gate 66477c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66487c478bd9Sstevel@tonic-gate rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, 66497c478bd9Sstevel@tonic-gate nfs_resop4 *resop) 66507c478bd9Sstevel@tonic-gate { 66517c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 66527c478bd9Sstevel@tonic-gate 66537c478bd9Sstevel@tonic-gate rfs4_dbe_lock(op->dbe); 66547c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(op->open_seqid, op->reply, 66557c478bd9Sstevel@tonic-gate olo_seqid, resop, FALSE); 66567c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(op->dbe); 66577c478bd9Sstevel@tonic-gate 66587c478bd9Sstevel@tonic-gate return (rc); 66597c478bd9Sstevel@tonic-gate } 66607c478bd9Sstevel@tonic-gate 66617c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66627c478bd9Sstevel@tonic-gate rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lp, nfs_resop4 *resop) 66637c478bd9Sstevel@tonic-gate { 66647c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 66657c478bd9Sstevel@tonic-gate 66667c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lp->dbe); 66677c478bd9Sstevel@tonic-gate if (!lp->skip_seqid_check) 66687c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(lp->seqid, lp->reply, 66697c478bd9Sstevel@tonic-gate seqid, resop, TRUE); 66707c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lp->dbe); 66717c478bd9Sstevel@tonic-gate 66727c478bd9Sstevel@tonic-gate return (rc); 66737c478bd9Sstevel@tonic-gate } 66747c478bd9Sstevel@tonic-gate 66757c478bd9Sstevel@tonic-gate static void 66767c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 66777c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 66787c478bd9Sstevel@tonic-gate { 66797c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 66807c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 66817c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 66827c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 66837c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 66847c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 66857c478bd9Sstevel@tonic-gate bool_t create; 66867c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 66877c478bd9Sstevel@tonic-gate int can_reclaim; 66887c478bd9Sstevel@tonic-gate 66897c478bd9Sstevel@tonic-gate 66907c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 66917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 66927c478bd9Sstevel@tonic-gate return; 66937c478bd9Sstevel@tonic-gate } 66947c478bd9Sstevel@tonic-gate 66957c478bd9Sstevel@tonic-gate /* 66967c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 66977c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 66987c478bd9Sstevel@tonic-gate */ 66997c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 67007c478bd9Sstevel@tonic-gate if (cp == NULL) { 67017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 67027c478bd9Sstevel@tonic-gate rfs4_check_clientid(&owner->clientid, 0); 67037c478bd9Sstevel@tonic-gate return; 67047c478bd9Sstevel@tonic-gate } 67057c478bd9Sstevel@tonic-gate 67067c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 67077c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 67087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 67097c478bd9Sstevel@tonic-gate return; 67107c478bd9Sstevel@tonic-gate } 67117c478bd9Sstevel@tonic-gate can_reclaim = cp->can_reclaim; 67127c478bd9Sstevel@tonic-gate 67137c478bd9Sstevel@tonic-gate /* 67147c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 67157c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 67167c478bd9Sstevel@tonic-gate * being returned. 67177c478bd9Sstevel@tonic-gate */ 67187c478bd9Sstevel@tonic-gate retry: 67197c478bd9Sstevel@tonic-gate create = TRUE; 67207c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 67217c478bd9Sstevel@tonic-gate if (oo == NULL) { 67227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 67237c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 67247c478bd9Sstevel@tonic-gate return; 67257c478bd9Sstevel@tonic-gate } 67267c478bd9Sstevel@tonic-gate 67277c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 67287c478bd9Sstevel@tonic-gate rfs4_sw_enter(&oo->oo_sw); 67297c478bd9Sstevel@tonic-gate 67307c478bd9Sstevel@tonic-gate /* 67317c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 67327c478bd9Sstevel@tonic-gate * the sequence id. 67337c478bd9Sstevel@tonic-gate */ 67347c478bd9Sstevel@tonic-gate if (!create && !oo->postpone_confirm) { 67357c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 67367c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 67377c478bd9Sstevel@tonic-gate if ((args->seqid > oo->open_seqid) && 67387c478bd9Sstevel@tonic-gate oo->need_confirm) { 67397c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 67407c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 67417c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 67427c478bd9Sstevel@tonic-gate goto retry; 67437c478bd9Sstevel@tonic-gate } 67447c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 67457c478bd9Sstevel@tonic-gate goto out; 67467c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 67477c478bd9Sstevel@tonic-gate replay = TRUE; 67487c478bd9Sstevel@tonic-gate goto out; 67497c478bd9Sstevel@tonic-gate default: 67507c478bd9Sstevel@tonic-gate break; 67517c478bd9Sstevel@tonic-gate } 67527c478bd9Sstevel@tonic-gate 67537c478bd9Sstevel@tonic-gate /* 67547c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 67557c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 67567c478bd9Sstevel@tonic-gate * open_confirm. 67577c478bd9Sstevel@tonic-gate */ 67587c478bd9Sstevel@tonic-gate if (oo->need_confirm) { 67597c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 67607c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 67617c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 67627c478bd9Sstevel@tonic-gate goto retry; 67637c478bd9Sstevel@tonic-gate } 67647c478bd9Sstevel@tonic-gate } 67657c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 67667c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 67677c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 67687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 67697c478bd9Sstevel@tonic-gate goto out; 67707c478bd9Sstevel@tonic-gate } 67717c478bd9Sstevel@tonic-gate 67727c478bd9Sstevel@tonic-gate /* 67737c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 67747c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 67757c478bd9Sstevel@tonic-gate * client. 67767c478bd9Sstevel@tonic-gate */ 67777c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 67787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 67797c478bd9Sstevel@tonic-gate goto out; 67807c478bd9Sstevel@tonic-gate } 67817c478bd9Sstevel@tonic-gate 67827c478bd9Sstevel@tonic-gate 67837c478bd9Sstevel@tonic-gate /* 67847c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 67857c478bd9Sstevel@tonic-gate */ 67867c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 67877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 67887c478bd9Sstevel@tonic-gate goto out; 67897c478bd9Sstevel@tonic-gate } 67907c478bd9Sstevel@tonic-gate 67917c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 67927c478bd9Sstevel@tonic-gate if (oo->need_confirm) { 67937c478bd9Sstevel@tonic-gate /* 67947c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 67957c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 67967c478bd9Sstevel@tonic-gate * protocol specification. 67977c478bd9Sstevel@tonic-gate */ 67987c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 67997c478bd9Sstevel@tonic-gate oo->need_confirm = FALSE; 68007c478bd9Sstevel@tonic-gate else 68017c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 68027c478bd9Sstevel@tonic-gate } 68037c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 68047c478bd9Sstevel@tonic-gate 68057c478bd9Sstevel@tonic-gate /* 68067c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 68077c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 68087c478bd9Sstevel@tonic-gate */ 68097c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 68107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 68117c478bd9Sstevel@tonic-gate goto out; 68127c478bd9Sstevel@tonic-gate } 68137c478bd9Sstevel@tonic-gate 68147c478bd9Sstevel@tonic-gate /* 68157c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 68167c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 68177c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 68187c478bd9Sstevel@tonic-gate */ 68197c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 68207c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 68217c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 68227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 68237c478bd9Sstevel@tonic-gate goto out; 68247c478bd9Sstevel@tonic-gate } 68257c478bd9Sstevel@tonic-gate 68267c478bd9Sstevel@tonic-gate 68277c478bd9Sstevel@tonic-gate /* 68287c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 68297c478bd9Sstevel@tonic-gate */ 68307c478bd9Sstevel@tonic-gate resp->attrset = 0; 68317c478bd9Sstevel@tonic-gate 68327c478bd9Sstevel@tonic-gate switch (claim) { 68337c478bd9Sstevel@tonic-gate case CLAIM_NULL: 68347c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 68357c478bd9Sstevel@tonic-gate break; 68367c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 68377c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 68387c478bd9Sstevel@tonic-gate break; 68397c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 68407c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 68417c478bd9Sstevel@tonic-gate break; 68427c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 68437c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 68447c478bd9Sstevel@tonic-gate break; 68457c478bd9Sstevel@tonic-gate default: 68467c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 68477c478bd9Sstevel@tonic-gate break; 68487c478bd9Sstevel@tonic-gate } 68497c478bd9Sstevel@tonic-gate 68507c478bd9Sstevel@tonic-gate out: 68517c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 68527c478bd9Sstevel@tonic-gate 68537c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 68547c478bd9Sstevel@tonic-gate switch (resp->status) { 68557c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 68567c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 68577c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 68587c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 68597c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 68607c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 68617c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 68627c478bd9Sstevel@tonic-gate /* 68637c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 68647c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 68657c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 68667c478bd9Sstevel@tonic-gate * increment. 68677c478bd9Sstevel@tonic-gate */ 68687c478bd9Sstevel@tonic-gate break; 68697c478bd9Sstevel@tonic-gate default: 68707c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 68717c478bd9Sstevel@tonic-gate rfs4_update_lease(oo->client); 68727c478bd9Sstevel@tonic-gate 68737c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 68747c478bd9Sstevel@tonic-gate if (!replay) 68757c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 68767c478bd9Sstevel@tonic-gate 68777c478bd9Sstevel@tonic-gate /* 68787c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 68797c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 68807c478bd9Sstevel@tonic-gate * filehandle to copy. 68817c478bd9Sstevel@tonic-gate */ 68827c478bd9Sstevel@tonic-gate if (replay == TRUE && 68837c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 68847c478bd9Sstevel@tonic-gate oo->reply_fh.nfs_fh4_val) { 68857c478bd9Sstevel@tonic-gate /* 68867c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 68877c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 68887c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 68897c478bd9Sstevel@tonic-gate * it. 68907c478bd9Sstevel@tonic-gate */ 68917c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 68927c478bd9Sstevel@tonic-gate (nfs_fh4_fmt_t *)oo->reply_fh.nfs_fh4_val; 68937c478bd9Sstevel@tonic-gate 68947c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 68957c478bd9Sstevel@tonic-gate (fid_t *)&fh_fmtp->fh4_xlen, NULL); 68967c478bd9Sstevel@tonic-gate 68977c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 68987c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 68997c478bd9Sstevel@tonic-gate goto finish; 69007c478bd9Sstevel@tonic-gate } 69017c478bd9Sstevel@tonic-gate 69027c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 69037c478bd9Sstevel@tonic-gate 69047c478bd9Sstevel@tonic-gate cs->vp = nfs4_fhtovp(&oo->reply_fh, cs->exi, 69057c478bd9Sstevel@tonic-gate &resp->status); 69067c478bd9Sstevel@tonic-gate 69077c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 69087c478bd9Sstevel@tonic-gate goto finish; 69097c478bd9Sstevel@tonic-gate 69107c478bd9Sstevel@tonic-gate nfs_fh4_copy(&oo->reply_fh, &cs->fh); 69117c478bd9Sstevel@tonic-gate } 69127c478bd9Sstevel@tonic-gate 69137c478bd9Sstevel@tonic-gate /* 69147c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 69157c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 69167c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 69177c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 69187c478bd9Sstevel@tonic-gate */ 69197c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 69207c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 69217c478bd9Sstevel@tonic-gate /* 69227c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 69237c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 69247c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 69257c478bd9Sstevel@tonic-gate * that the server has no method of returning a 69267c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 69277c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 69287c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 69297c478bd9Sstevel@tonic-gate * this open_owner. 69307c478bd9Sstevel@tonic-gate */ 69317c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && oo->need_confirm) 69327c478bd9Sstevel@tonic-gate oo->postpone_confirm = TRUE; 69337c478bd9Sstevel@tonic-gate /* 69347c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 69357c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 69367c478bd9Sstevel@tonic-gate * client. 69377c478bd9Sstevel@tonic-gate */ 69387c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && oo->postpone_confirm) { 69397c478bd9Sstevel@tonic-gate oo->postpone_confirm = FALSE; 69407c478bd9Sstevel@tonic-gate oo->open_seqid = args->seqid; 69417c478bd9Sstevel@tonic-gate } 69427c478bd9Sstevel@tonic-gate break; 69437c478bd9Sstevel@tonic-gate } 69447c478bd9Sstevel@tonic-gate 69457c478bd9Sstevel@tonic-gate finish: 69467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 69477c478bd9Sstevel@tonic-gate 69487c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 69497c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 69507c478bd9Sstevel@tonic-gate } 69517c478bd9Sstevel@tonic-gate 69527c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69537c478bd9Sstevel@tonic-gate void 69547c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 69557c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 69567c478bd9Sstevel@tonic-gate { 69577c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 69587c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 69597c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 69607c478bd9Sstevel@tonic-gate nfsstat4 status; 69617c478bd9Sstevel@tonic-gate 69627c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 69637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 69647c478bd9Sstevel@tonic-gate return; 69657c478bd9Sstevel@tonic-gate } 69667c478bd9Sstevel@tonic-gate 69677c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 69687c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 69697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 69707c478bd9Sstevel@tonic-gate return; 69717c478bd9Sstevel@tonic-gate } 69727c478bd9Sstevel@tonic-gate 69737c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 69747c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 69757c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 69767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 69777c478bd9Sstevel@tonic-gate return; 69787c478bd9Sstevel@tonic-gate } 69797c478bd9Sstevel@tonic-gate 69807c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 69817c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 69827c478bd9Sstevel@tonic-gate 69837c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 69847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 69857c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 69867c478bd9Sstevel@tonic-gate resop) != 0) { 69877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 69887c478bd9Sstevel@tonic-gate break; 69897c478bd9Sstevel@tonic-gate } 69907c478bd9Sstevel@tonic-gate /* 69917c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 69927c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 69937c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 69947c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 69957c478bd9Sstevel@tonic-gate */ 69967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 69977c478bd9Sstevel@tonic-gate break; 69987c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 69997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 70007c478bd9Sstevel@tonic-gate break; 70017c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 70027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 70037c478bd9Sstevel@tonic-gate break; 70047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 70057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 70067c478bd9Sstevel@tonic-gate break; 70077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 70087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 70097c478bd9Sstevel@tonic-gate break; 70107c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 70117c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 70127c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 70137c478bd9Sstevel@tonic-gate /* 70147c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 70157c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 70167c478bd9Sstevel@tonic-gate */ 70177c478bd9Sstevel@tonic-gate /* fall through */ 70187c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 70197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 70207c478bd9Sstevel@tonic-gate break; 70217c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 70227c478bd9Sstevel@tonic-gate /* 70237c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 70247c478bd9Sstevel@tonic-gate * resp->status is already set. 70257c478bd9Sstevel@tonic-gate */ 70267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 70277c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 70287c478bd9Sstevel@tonic-gate break; 70297c478bd9Sstevel@tonic-gate } 70307c478bd9Sstevel@tonic-gate break; 70317c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 70327c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 70337c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 70347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 70357c478bd9Sstevel@tonic-gate break; 70367c478bd9Sstevel@tonic-gate } 70377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 70387c478bd9Sstevel@tonic-gate 70397c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 70407c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 70417c478bd9Sstevel@tonic-gate sp->owner->need_confirm = FALSE; 70427c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 70437c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 70447c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 70457c478bd9Sstevel@tonic-gate break; 70467c478bd9Sstevel@tonic-gate default: 70477c478bd9Sstevel@tonic-gate ASSERT(FALSE); 70487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 70497c478bd9Sstevel@tonic-gate break; 70507c478bd9Sstevel@tonic-gate } 70517c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 70527c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 70537c478bd9Sstevel@tonic-gate } 70547c478bd9Sstevel@tonic-gate 70557c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 70567c478bd9Sstevel@tonic-gate void 70577c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 70587c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 70597c478bd9Sstevel@tonic-gate { 70607c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 70617c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 70627c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 70637c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 70647c478bd9Sstevel@tonic-gate nfsstat4 status; 70657c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 70667c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 70677c478bd9Sstevel@tonic-gate 70687c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 70697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 70707c478bd9Sstevel@tonic-gate return; 70717c478bd9Sstevel@tonic-gate } 70727c478bd9Sstevel@tonic-gate 70737c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 70747c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 70757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 70767c478bd9Sstevel@tonic-gate return; 70777c478bd9Sstevel@tonic-gate } 70787c478bd9Sstevel@tonic-gate 70797c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 70807c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 70817c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 70827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 70837c478bd9Sstevel@tonic-gate return; 70847c478bd9Sstevel@tonic-gate } 70857c478bd9Sstevel@tonic-gate 70867c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 70877c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 70887c478bd9Sstevel@tonic-gate 70897c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 70907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 70917c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 70927c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 70937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 70947c478bd9Sstevel@tonic-gate goto end; 70957c478bd9Sstevel@tonic-gate } 70967c478bd9Sstevel@tonic-gate break; 70977c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 70987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 70997c478bd9Sstevel@tonic-gate goto end; 71007c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 71017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 71027c478bd9Sstevel@tonic-gate goto end; 71037c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 71047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 71057c478bd9Sstevel@tonic-gate goto end; 71067c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 71077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 71087c478bd9Sstevel@tonic-gate goto end; 71097c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 71107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 71117c478bd9Sstevel@tonic-gate goto end; 71127c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 71137c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 71147c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 71157c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 71167c478bd9Sstevel@tonic-gate /* 71177c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 71187c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 71197c478bd9Sstevel@tonic-gate */ 71207c478bd9Sstevel@tonic-gate /* fall through */ 71217c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 71227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 71237c478bd9Sstevel@tonic-gate goto end; 71247c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 71257c478bd9Sstevel@tonic-gate /* 71267c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 71277c478bd9Sstevel@tonic-gate * resp->status is already set. 71287c478bd9Sstevel@tonic-gate */ 71297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 71307c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 71317c478bd9Sstevel@tonic-gate goto end; 71327c478bd9Sstevel@tonic-gate } 71337c478bd9Sstevel@tonic-gate break; 71347c478bd9Sstevel@tonic-gate default: 71357c478bd9Sstevel@tonic-gate ASSERT(FALSE); 71367c478bd9Sstevel@tonic-gate break; 71377c478bd9Sstevel@tonic-gate } 71387c478bd9Sstevel@tonic-gate 71397c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 71407c478bd9Sstevel@tonic-gate /* 71417c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 71427c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 71437c478bd9Sstevel@tonic-gate */ 71447c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 71457c478bd9Sstevel@tonic-gate (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_READ))) { 71467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 71477c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 71487c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 71497c478bd9Sstevel@tonic-gate goto end; 71507c478bd9Sstevel@tonic-gate } 71517c478bd9Sstevel@tonic-gate 71527c478bd9Sstevel@tonic-gate /* 71537c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 71547c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 71557c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 71567c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 71577c478bd9Sstevel@tonic-gate * mode. For example: 71587c478bd9Sstevel@tonic-gate * New mode, access == R and current mode, sp->share_access == RW 71597c478bd9Sstevel@tonic-gate * access & sp->share_access == R == access, so the new access mode 71607c478bd9Sstevel@tonic-gate * is valid. Consider access == RW, sp->share_access = R 71617c478bd9Sstevel@tonic-gate * access & sp->share_access == R != access, so the new access mode 71627c478bd9Sstevel@tonic-gate * is invalid. 71637c478bd9Sstevel@tonic-gate */ 71647c478bd9Sstevel@tonic-gate if ((access & sp->share_access) != access || 71657c478bd9Sstevel@tonic-gate (deny & sp->share_deny) != deny || 71667c478bd9Sstevel@tonic-gate (access & 71677c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 71687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 71697c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 71707c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 71717c478bd9Sstevel@tonic-gate goto end; 71727c478bd9Sstevel@tonic-gate } 71737c478bd9Sstevel@tonic-gate 71747c478bd9Sstevel@tonic-gate /* 71757c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 71767c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 71777c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 71787c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 71797c478bd9Sstevel@tonic-gate */ 71807c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 71817c478bd9Sstevel@tonic-gate rfs4_unshare(sp); 71827c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 71837c478bd9Sstevel@tonic-gate 71847c478bd9Sstevel@tonic-gate fp = sp->finfo; 71857c478bd9Sstevel@tonic-gate rfs4_dbe_lock(fp->dbe); 71867c478bd9Sstevel@tonic-gate 71877c478bd9Sstevel@tonic-gate /* 71887c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 71897c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 71907c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 71917c478bd9Sstevel@tonic-gate * on the file. 71927c478bd9Sstevel@tonic-gate */ 71937c478bd9Sstevel@tonic-gate if ((sp->share_deny & OPEN4_SHARE_DENY_READ) && 71947c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 71957c478bd9Sstevel@tonic-gate fp->deny_read--; 71967c478bd9Sstevel@tonic-gate if (fp->deny_read == 0) 71977c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_READ; 71987c478bd9Sstevel@tonic-gate } 71997c478bd9Sstevel@tonic-gate 72007c478bd9Sstevel@tonic-gate /* 72017c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 72027c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 72037c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 72047c478bd9Sstevel@tonic-gate * on the file. 72057c478bd9Sstevel@tonic-gate */ 72067c478bd9Sstevel@tonic-gate if ((sp->share_deny & OPEN4_SHARE_DENY_WRITE) && 72077c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 72087c478bd9Sstevel@tonic-gate fp->deny_write--; 72097c478bd9Sstevel@tonic-gate if (fp->deny_write == 0) 72107c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_WRITE; 72117c478bd9Sstevel@tonic-gate } 72127c478bd9Sstevel@tonic-gate 72137c478bd9Sstevel@tonic-gate /* 72147c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 72157c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 72167c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 72177c478bd9Sstevel@tonic-gate * on the file. 72187c478bd9Sstevel@tonic-gate */ 72197c478bd9Sstevel@tonic-gate if ((sp->share_access & OPEN4_SHARE_ACCESS_READ) && 72207c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 72217c478bd9Sstevel@tonic-gate fp->access_read--; 72227c478bd9Sstevel@tonic-gate if (fp->access_read == 0) 72237c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_READ; 72247c478bd9Sstevel@tonic-gate } 72257c478bd9Sstevel@tonic-gate 72267c478bd9Sstevel@tonic-gate /* 72277c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 72287c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 72297c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 72307c478bd9Sstevel@tonic-gate * on the file. 72317c478bd9Sstevel@tonic-gate */ 72327c478bd9Sstevel@tonic-gate if ((sp->share_access & OPEN4_SHARE_ACCESS_WRITE) && 72337c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 72347c478bd9Sstevel@tonic-gate fp->access_write--; 72357c478bd9Sstevel@tonic-gate if (fp->access_write == 0) 72367c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 72377c478bd9Sstevel@tonic-gate } 72387c478bd9Sstevel@tonic-gate 72397c478bd9Sstevel@tonic-gate /* Set the new access and deny modes */ 72407c478bd9Sstevel@tonic-gate sp->share_access = access; 72417c478bd9Sstevel@tonic-gate sp->share_deny = deny; 72427c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 72437c478bd9Sstevel@tonic-gate ASSERT(fp->share_access); 72447c478bd9Sstevel@tonic-gate 72457c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(fp->dbe); 72467c478bd9Sstevel@tonic-gate 72477c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 72487c478bd9Sstevel@tonic-gate if ((status = rfs4_share(sp)) != NFS4_OK) { 72497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 72507c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 72517c478bd9Sstevel@tonic-gate goto end; 72527c478bd9Sstevel@tonic-gate } 72537c478bd9Sstevel@tonic-gate 72547c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 72557c478bd9Sstevel@tonic-gate 72567c478bd9Sstevel@tonic-gate /* Update the stateid */ 72577c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 72587c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 72597c478bd9Sstevel@tonic-gate 72607c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 72617c478bd9Sstevel@tonic-gate 72627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 72637c478bd9Sstevel@tonic-gate /* Update the lease */ 72647c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 72657c478bd9Sstevel@tonic-gate /* And the sequence */ 72667c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 72677c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 72687c478bd9Sstevel@tonic-gate 72697c478bd9Sstevel@tonic-gate end: 72707c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 72717c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 72727c478bd9Sstevel@tonic-gate } 72737c478bd9Sstevel@tonic-gate 72747c478bd9Sstevel@tonic-gate /* 72757c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 72767c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 72777c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 72787c478bd9Sstevel@tonic-gate * SETCLIENTID. 72797c478bd9Sstevel@tonic-gate */ 72807c478bd9Sstevel@tonic-gate void 72817c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 72827c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 72837c478bd9Sstevel@tonic-gate { 72847c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 72857c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 72867c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 72877c478bd9Sstevel@tonic-gate bool_t create = TRUE; 72887c478bd9Sstevel@tonic-gate char *addr, *netid; 72897c478bd9Sstevel@tonic-gate int len; 72907c478bd9Sstevel@tonic-gate 72917c478bd9Sstevel@tonic-gate retry: 72927c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 72937c478bd9Sstevel@tonic-gate 72947c478bd9Sstevel@tonic-gate /* 72957c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 72967c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 72977c478bd9Sstevel@tonic-gate */ 72987c478bd9Sstevel@tonic-gate create = TRUE; 72997c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 73007c478bd9Sstevel@tonic-gate 73017c478bd9Sstevel@tonic-gate /* Should never happen */ 73027c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 73037c478bd9Sstevel@tonic-gate 73047c478bd9Sstevel@tonic-gate if (cp == NULL) { 73057c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 73067c478bd9Sstevel@tonic-gate return; 73077c478bd9Sstevel@tonic-gate } 73087c478bd9Sstevel@tonic-gate 73097c478bd9Sstevel@tonic-gate /* 73107c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 73117c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 73127c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 73137c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 73147c478bd9Sstevel@tonic-gate */ 73157c478bd9Sstevel@tonic-gate if (create) { 73167c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 73177c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = cp->clientid; 73187c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 73197c478bd9Sstevel@tonic-gate cp->confirm_verf; 73207c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 73217c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 73227c478bd9Sstevel@tonic-gate 73237c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 73247c478bd9Sstevel@tonic-gate return; 73257c478bd9Sstevel@tonic-gate } 73267c478bd9Sstevel@tonic-gate 73277c478bd9Sstevel@tonic-gate /* 73287c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 73297c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 73307c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 73317c478bd9Sstevel@tonic-gate */ 73327c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 73337c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 73347c478bd9Sstevel@tonic-gate goto retry; 73357c478bd9Sstevel@tonic-gate } 73367c478bd9Sstevel@tonic-gate 73377c478bd9Sstevel@tonic-gate if (cp->need_confirm == TRUE) 73387c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 73397c478bd9Sstevel@tonic-gate else 73407c478bd9Sstevel@tonic-gate cp_confirmed = cp; 73417c478bd9Sstevel@tonic-gate 73427c478bd9Sstevel@tonic-gate cp = NULL; 73437c478bd9Sstevel@tonic-gate 73447c478bd9Sstevel@tonic-gate /* 73457c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 73467c478bd9Sstevel@tonic-gate * unconfimred entry 73477c478bd9Sstevel@tonic-gate */ 73487c478bd9Sstevel@tonic-gate if (cp_confirmed) { 73497c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 73507c478bd9Sstevel@tonic-gate if (!creds_ok(cp_confirmed->cr_set, req, cs)) { 73517c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 73527c478bd9Sstevel@tonic-gate /* 73537c478bd9Sstevel@tonic-gate * Some one else has established this client 73547c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 73557c478bd9Sstevel@tonic-gate * the call back address supplied by * the 73567c478bd9Sstevel@tonic-gate * first client. 73577c478bd9Sstevel@tonic-gate */ 73587c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 73597c478bd9Sstevel@tonic-gate 73607c478bd9Sstevel@tonic-gate addr = netid = NULL; 73617c478bd9Sstevel@tonic-gate 73627c478bd9Sstevel@tonic-gate cbp = &cp_confirmed->cbinfo; 73637c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 73647c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 73657c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 73667c478bd9Sstevel@tonic-gate 73677c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 73687c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 73697c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 73707c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 73717c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 73727c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 73737c478bd9Sstevel@tonic-gate } 73747c478bd9Sstevel@tonic-gate 73757c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 73767c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 73777c478bd9Sstevel@tonic-gate 73787c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 73797c478bd9Sstevel@tonic-gate } 73807c478bd9Sstevel@tonic-gate 73817c478bd9Sstevel@tonic-gate /* 73827c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 73837c478bd9Sstevel@tonic-gate * be an update of the callback info 73847c478bd9Sstevel@tonic-gate */ 73857c478bd9Sstevel@tonic-gate if (cp_confirmed->nfs_client.verifier == 73867c478bd9Sstevel@tonic-gate args->client.verifier) { 73877c478bd9Sstevel@tonic-gate /* Setup callback information */ 73887c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 73897c478bd9Sstevel@tonic-gate args->callback_ident); 73907c478bd9Sstevel@tonic-gate 73917c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 73927c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 73937c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 73947c478bd9Sstevel@tonic-gate cp_confirmed->clientid; 73957c478bd9Sstevel@tonic-gate 73967c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 73977c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 73987c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 73997c478bd9Sstevel@tonic-gate cp_confirmed->confirm_verf; 74007c478bd9Sstevel@tonic-gate 74017c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74027c478bd9Sstevel@tonic-gate return; 74037c478bd9Sstevel@tonic-gate } 74047c478bd9Sstevel@tonic-gate 74057c478bd9Sstevel@tonic-gate /* 74067c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 74077c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 74087c478bd9Sstevel@tonic-gate * this request. 74097c478bd9Sstevel@tonic-gate */ 74107c478bd9Sstevel@tonic-gate create = FALSE; 74117c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 74127c478bd9Sstevel@tonic-gate cp_confirmed); 74137c478bd9Sstevel@tonic-gate } 74147c478bd9Sstevel@tonic-gate 74157c478bd9Sstevel@tonic-gate /* 74167c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 74177c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 74187c478bd9Sstevel@tonic-gate * client struct. 74197c478bd9Sstevel@tonic-gate */ 74207c478bd9Sstevel@tonic-gate 74217c478bd9Sstevel@tonic-gate /* 74227c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 74237c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 74247c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 74257c478bd9Sstevel@tonic-gate */ 74267c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 74277c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp_unconfirmed->dbe); 74287c478bd9Sstevel@tonic-gate if (!cp_unconfirmed->need_confirm) { 74297c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp_unconfirmed->dbe); 74307c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 74317c478bd9Sstevel@tonic-gate if (cp_confirmed) 74327c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74337c478bd9Sstevel@tonic-gate goto retry; 74347c478bd9Sstevel@tonic-gate } 74357c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 74367c478bd9Sstevel@tonic-gate rfs4_dbe_invalidate(cp_unconfirmed->dbe); 74377c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp_unconfirmed->dbe); 74387c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 74397c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 74407c478bd9Sstevel@tonic-gate } 74417c478bd9Sstevel@tonic-gate 74427c478bd9Sstevel@tonic-gate /* 74437c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 74447c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 74457c478bd9Sstevel@tonic-gate * unconfirmed one. 74467c478bd9Sstevel@tonic-gate */ 74477c478bd9Sstevel@tonic-gate create = TRUE; 74487c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 74497c478bd9Sstevel@tonic-gate 74507c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 74517c478bd9Sstevel@tonic-gate 74527c478bd9Sstevel@tonic-gate if (newcp == NULL) { 74537c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 74547c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74557c478bd9Sstevel@tonic-gate return; 74567c478bd9Sstevel@tonic-gate } 74577c478bd9Sstevel@tonic-gate 74587c478bd9Sstevel@tonic-gate /* 74597c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 74607c478bd9Sstevel@tonic-gate * process so release and start over with this one 74617c478bd9Sstevel@tonic-gate */ 74627c478bd9Sstevel@tonic-gate if (create != TRUE) { 74637c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 74647c478bd9Sstevel@tonic-gate if (cp_confirmed) 74657c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74667c478bd9Sstevel@tonic-gate goto retry; 74677c478bd9Sstevel@tonic-gate } 74687c478bd9Sstevel@tonic-gate 74697c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 74707c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = newcp->clientid; 74717c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 74727c478bd9Sstevel@tonic-gate newcp->confirm_verf; 74737c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 74747c478bd9Sstevel@tonic-gate rfs4_client_setcb(newcp, &args->callback, 74757c478bd9Sstevel@tonic-gate args->callback_ident); 74767c478bd9Sstevel@tonic-gate 74777c478bd9Sstevel@tonic-gate newcp->cp_confirmed = cp_confirmed; 74787c478bd9Sstevel@tonic-gate 74797c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 74807c478bd9Sstevel@tonic-gate } 74817c478bd9Sstevel@tonic-gate 74827c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 74837c478bd9Sstevel@tonic-gate void 74847c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 74857c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 74867c478bd9Sstevel@tonic-gate { 74877c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 74887c478bd9Sstevel@tonic-gate &argop->nfs_argop4_u.opsetclientid_confirm; 74897c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 74907c478bd9Sstevel@tonic-gate &resop->nfs_resop4_u.opsetclientid_confirm; 74917c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 74927c478bd9Sstevel@tonic-gate 74937c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 74947c478bd9Sstevel@tonic-gate 74957c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 74967c478bd9Sstevel@tonic-gate 74977c478bd9Sstevel@tonic-gate if (cp == NULL) { 74987c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 74997c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->clientid, 1); 75007c478bd9Sstevel@tonic-gate return; 75017c478bd9Sstevel@tonic-gate } 75027c478bd9Sstevel@tonic-gate 75037c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 75047c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 75057c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 75067c478bd9Sstevel@tonic-gate return; 75077c478bd9Sstevel@tonic-gate } 75087c478bd9Sstevel@tonic-gate 75097c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 75107c478bd9Sstevel@tonic-gate if (cp->confirm_verf != args->setclientid_confirm) { 75117c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 75127c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 75137c478bd9Sstevel@tonic-gate return; 75147c478bd9Sstevel@tonic-gate } 75157c478bd9Sstevel@tonic-gate 75167c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp->dbe); 75177c478bd9Sstevel@tonic-gate cp->need_confirm = FALSE; 75187c478bd9Sstevel@tonic-gate if (cp->cp_confirmed) { 75197c478bd9Sstevel@tonic-gate cptoclose = cp->cp_confirmed; 75207c478bd9Sstevel@tonic-gate cptoclose->ss_remove = 1; 75217c478bd9Sstevel@tonic-gate cp->cp_confirmed = NULL; 75227c478bd9Sstevel@tonic-gate } 75237c478bd9Sstevel@tonic-gate 75247c478bd9Sstevel@tonic-gate /* 7525cee86682Scalum * Update the client's associated server instance, if it's changed 7526cee86682Scalum * since the client was created. 7527cee86682Scalum */ 7528cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 7529cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 7530cee86682Scalum 7531cee86682Scalum /* 7532cee86682Scalum * Record clientid in stable storage. 7533cee86682Scalum * Must be done after server instance has been assigned. 75347c478bd9Sstevel@tonic-gate */ 75357c478bd9Sstevel@tonic-gate rfs4_ss_clid(cp, req); 75367c478bd9Sstevel@tonic-gate 75377c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp->dbe); 75387c478bd9Sstevel@tonic-gate 75397c478bd9Sstevel@tonic-gate if (cptoclose) 75407c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 75417c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 75427c478bd9Sstevel@tonic-gate 75437c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 75447c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 75457c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 75467c478bd9Sstevel@tonic-gate 75477c478bd9Sstevel@tonic-gate /* 75487c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 75497c478bd9Sstevel@tonic-gate */ 75507c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 75517c478bd9Sstevel@tonic-gate 75527c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 75537c478bd9Sstevel@tonic-gate } 75547c478bd9Sstevel@tonic-gate 75557c478bd9Sstevel@tonic-gate 75567c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75577c478bd9Sstevel@tonic-gate void 75587c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 75597c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 75607c478bd9Sstevel@tonic-gate { 75617c478bd9Sstevel@tonic-gate /* XXX Currently not using req arg */ 75627c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 75637c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 75647c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75657c478bd9Sstevel@tonic-gate nfsstat4 status; 75667c478bd9Sstevel@tonic-gate 75677c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 75697c478bd9Sstevel@tonic-gate return; 75707c478bd9Sstevel@tonic-gate } 75717c478bd9Sstevel@tonic-gate 75727c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 75737c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 75757c478bd9Sstevel@tonic-gate return; 75767c478bd9Sstevel@tonic-gate } 75777c478bd9Sstevel@tonic-gate 75787c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 75797c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 75807c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 75817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75827c478bd9Sstevel@tonic-gate return; 75837c478bd9Sstevel@tonic-gate } 75847c478bd9Sstevel@tonic-gate 75857c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 75867c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 75877c478bd9Sstevel@tonic-gate 75887c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 75897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 75907c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 75917c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 75927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75937c478bd9Sstevel@tonic-gate goto end; 75947c478bd9Sstevel@tonic-gate } 75957c478bd9Sstevel@tonic-gate break; 75967c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 75977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75987c478bd9Sstevel@tonic-gate goto end; 75997c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 76007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76017c478bd9Sstevel@tonic-gate goto end; 76027c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 76037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 76047c478bd9Sstevel@tonic-gate goto end; 76057c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 76067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76077c478bd9Sstevel@tonic-gate goto end; 76087c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 76097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76107c478bd9Sstevel@tonic-gate goto end; 76117c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 76127c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 76137c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 76147c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 76157c478bd9Sstevel@tonic-gate /* 76167c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 76177c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 76187c478bd9Sstevel@tonic-gate */ 76197c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 76207c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 76217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76227c478bd9Sstevel@tonic-gate goto end; 76237c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76247c478bd9Sstevel@tonic-gate /* 76257c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76267c478bd9Sstevel@tonic-gate * resp->status is already set. 76277c478bd9Sstevel@tonic-gate */ 76287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 76297c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 76307c478bd9Sstevel@tonic-gate goto end; 76317c478bd9Sstevel@tonic-gate } 76327c478bd9Sstevel@tonic-gate break; 76337c478bd9Sstevel@tonic-gate default: 76347c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76357c478bd9Sstevel@tonic-gate break; 76367c478bd9Sstevel@tonic-gate } 76377c478bd9Sstevel@tonic-gate 76387c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 76397c478bd9Sstevel@tonic-gate 76407c478bd9Sstevel@tonic-gate /* Update the stateid. */ 76417c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 76427c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 76437c478bd9Sstevel@tonic-gate 76447c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 76457c478bd9Sstevel@tonic-gate 76467c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 76477c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 76487c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 76497c478bd9Sstevel@tonic-gate 76507c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 76517c478bd9Sstevel@tonic-gate 76527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 76537c478bd9Sstevel@tonic-gate 76547c478bd9Sstevel@tonic-gate end: 76557c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 76567c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 76577c478bd9Sstevel@tonic-gate } 76587c478bd9Sstevel@tonic-gate 76597c478bd9Sstevel@tonic-gate /* 76607c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 76617c478bd9Sstevel@tonic-gate */ 76627c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 76637c478bd9Sstevel@tonic-gate void 76647c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 76657c478bd9Sstevel@tonic-gate bool_t close_of_client) 76667c478bd9Sstevel@tonic-gate { 76677c478bd9Sstevel@tonic-gate rfs4_file_t *fp = sp->finfo; 76687c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 76697c478bd9Sstevel@tonic-gate struct shrlock shr; 76707c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 76717c478bd9Sstevel@tonic-gate int fflags, s_access, s_deny; 76727c478bd9Sstevel@tonic-gate 76737c478bd9Sstevel@tonic-gate fflags = s_access = s_deny = 0; 76747c478bd9Sstevel@tonic-gate /* 76757c478bd9Sstevel@tonic-gate * Decrement the count for each access and deny bit that this 76767c478bd9Sstevel@tonic-gate * state has contributed to the file. If the file counts go to zero 76777c478bd9Sstevel@tonic-gate * clear the appropriate bit in the appropriate mask. 76787c478bd9Sstevel@tonic-gate */ 76797c478bd9Sstevel@tonic-gate 76807c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_READ) { 76817c478bd9Sstevel@tonic-gate fp->access_read--; 76827c478bd9Sstevel@tonic-gate fflags |= FREAD; 76837c478bd9Sstevel@tonic-gate s_access |= F_RDACC; 76847c478bd9Sstevel@tonic-gate if (fp->access_read == 0) 76857c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_READ; 76867c478bd9Sstevel@tonic-gate } 76877c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_WRITE) { 76887c478bd9Sstevel@tonic-gate fp->access_write--; 76897c478bd9Sstevel@tonic-gate fflags |= FWRITE; 76907c478bd9Sstevel@tonic-gate s_access |= F_WRACC; 76917c478bd9Sstevel@tonic-gate if (fp->access_write == 0) 76927c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_WRITE; 76937c478bd9Sstevel@tonic-gate } 76947c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_READ) { 76957c478bd9Sstevel@tonic-gate fp->deny_read--; 76967c478bd9Sstevel@tonic-gate s_deny |= F_RDDNY; 76977c478bd9Sstevel@tonic-gate if (fp->deny_read == 0) 76987c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_READ; 76997c478bd9Sstevel@tonic-gate } 77007c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_WRITE) { 77017c478bd9Sstevel@tonic-gate fp->deny_write--; 77027c478bd9Sstevel@tonic-gate s_deny |= F_WRDNY; 77037c478bd9Sstevel@tonic-gate if (fp->deny_write == 0) 77047c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_WRITE; 77057c478bd9Sstevel@tonic-gate } 77067c478bd9Sstevel@tonic-gate 77077c478bd9Sstevel@tonic-gate /* 77087c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 77097c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 77107c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 77117c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 77127c478bd9Sstevel@tonic-gate */ 77137c478bd9Sstevel@tonic-gate if (close_of_client) { 77147c478bd9Sstevel@tonic-gate if (sp->owner->client->unlksys_completed == FALSE && 77157c478bd9Sstevel@tonic-gate sp->lockownerlist.next->lsp != NULL && 77167c478bd9Sstevel@tonic-gate sp->owner->client->sysidt != LM_NOSYSID) { 77177c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 77187c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 77197c478bd9Sstevel@tonic-gate int new_sysid; 77207c478bd9Sstevel@tonic-gate 77217c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 77227c478bd9Sstevel@tonic-gate new_sysid = sp->owner->client->sysidt; 77237c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 77247c478bd9Sstevel@tonic-gate 77257c478bd9Sstevel@tonic-gate /* 77267c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 77277c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 77287c478bd9Sstevel@tonic-gate */ 77297c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 77307c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 77317c478bd9Sstevel@tonic-gate new_sysid)); 77327c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 77337c478bd9Sstevel@tonic-gate } else { 77347c478bd9Sstevel@tonic-gate struct flock64 flk; 77357c478bd9Sstevel@tonic-gate 77367c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 77377c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 77387c478bd9Sstevel@tonic-gate flk.l_whence = 0; 77397c478bd9Sstevel@tonic-gate flk.l_start = 0; 77407c478bd9Sstevel@tonic-gate flk.l_len = 0; 77417c478bd9Sstevel@tonic-gate flk.l_sysid = sp->owner->client->sysidt; 77427c478bd9Sstevel@tonic-gate flk.l_pid = 0; 77437c478bd9Sstevel@tonic-gate (void) VOP_FRLOCK(sp->finfo->vp, F_SETLK, &flk, 77447c478bd9Sstevel@tonic-gate F_REMOTELOCK | FREAD | FWRITE, 77457c478bd9Sstevel@tonic-gate (u_offset_t)0, NULL, CRED()); 77467c478bd9Sstevel@tonic-gate } 77477c478bd9Sstevel@tonic-gate 77487c478bd9Sstevel@tonic-gate sp->owner->client->unlksys_completed = TRUE; 77497c478bd9Sstevel@tonic-gate } 77507c478bd9Sstevel@tonic-gate } 77517c478bd9Sstevel@tonic-gate 77527c478bd9Sstevel@tonic-gate /* 77537c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 77547c478bd9Sstevel@tonic-gate * least mark the locks as having been released 77557c478bd9Sstevel@tonic-gate */ 77567c478bd9Sstevel@tonic-gate for (lsp = sp->lockownerlist.next->lsp; lsp != NULL; 77577c478bd9Sstevel@tonic-gate lsp = lsp->lockownerlist.next->lsp) { 77587c478bd9Sstevel@tonic-gate 77597c478bd9Sstevel@tonic-gate lsp->locks_cleaned = TRUE; 77607c478bd9Sstevel@tonic-gate 77617c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 77627c478bd9Sstevel@tonic-gate if (!close_of_client && 77637c478bd9Sstevel@tonic-gate sp->owner->client->sysidt != LM_NOSYSID) 77647c478bd9Sstevel@tonic-gate (void) cleanlocks(sp->finfo->vp, lsp->locker->pid, 77657c478bd9Sstevel@tonic-gate lsp->locker->client->sysidt); 77667c478bd9Sstevel@tonic-gate } 77677c478bd9Sstevel@tonic-gate 77687c478bd9Sstevel@tonic-gate /* 77697c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 77707c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 77717c478bd9Sstevel@tonic-gate */ 77727c478bd9Sstevel@tonic-gate if (sp->owner->client->sysidt != LM_NOSYSID) { 77737c478bd9Sstevel@tonic-gate shr.s_access = s_access; 77747c478bd9Sstevel@tonic-gate shr.s_deny = s_deny; 77757c478bd9Sstevel@tonic-gate shr.s_pid = rfs4_dbe_getid(sp->owner->dbe); 77767c478bd9Sstevel@tonic-gate shr.s_sysid = sp->owner->client->sysidt; 77777c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 77787c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 77797c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 77807c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 77817c478bd9Sstevel@tonic-gate (void) vop_shrlock(sp->finfo->vp, F_UNSHARE, &shr, fflags); 77827c478bd9Sstevel@tonic-gate } 77837c478bd9Sstevel@tonic-gate } 77847c478bd9Sstevel@tonic-gate 77857c478bd9Sstevel@tonic-gate /* 77867c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 77877c478bd9Sstevel@tonic-gate */ 77887c478bd9Sstevel@tonic-gate static nfsstat4 77897c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 77907c478bd9Sstevel@tonic-gate { 77917c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 77927c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 77937c478bd9Sstevel@tonic-gate uint32_t len; 77947c478bd9Sstevel@tonic-gate 77957c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 77967c478bd9Sstevel@tonic-gate if (lo != NULL) { 77977c478bd9Sstevel@tonic-gate cp = lo->client; 77987c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 77997c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 78007c478bd9Sstevel@tonic-gate rfs4_dbe_hold(cp->dbe); 78017c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 78027c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 78037c478bd9Sstevel@tonic-gate } 78047c478bd9Sstevel@tonic-gate dp->owner.clientid = lo->owner.clientid; 78057c478bd9Sstevel@tonic-gate len = lo->owner.owner_len; 78067c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 78077c478bd9Sstevel@tonic-gate bcopy(lo->owner.owner_val, dp->owner.owner_val, len); 78087c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 78097c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 78107c478bd9Sstevel@tonic-gate goto finish; 78117c478bd9Sstevel@tonic-gate } 78127c478bd9Sstevel@tonic-gate 78137c478bd9Sstevel@tonic-gate /* 78147c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 78157c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 78167c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 78177c478bd9Sstevel@tonic-gate * the lock owner to the pid. 78187c478bd9Sstevel@tonic-gate */ 78197c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 78207c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 78217c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 78227c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 78237c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 78247c478bd9Sstevel@tonic-gate finish: 78257c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 78267c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 78277c478bd9Sstevel@tonic-gate 78287c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 78297c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 78307c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 78317c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 78327c478bd9Sstevel@tonic-gate else 78337c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 78347c478bd9Sstevel@tonic-gate 78357c478bd9Sstevel@tonic-gate return (NFS4_OK); 78367c478bd9Sstevel@tonic-gate } 78377c478bd9Sstevel@tonic-gate 78387c478bd9Sstevel@tonic-gate static int 78397c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 78407c478bd9Sstevel@tonic-gate { 78417c478bd9Sstevel@tonic-gate int error; 78427c478bd9Sstevel@tonic-gate struct flock64 flk; 78437c478bd9Sstevel@tonic-gate int i; 78447c478bd9Sstevel@tonic-gate clock_t delaytime; 78457c478bd9Sstevel@tonic-gate 78467c478bd9Sstevel@tonic-gate retry: 78477c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 78487c478bd9Sstevel@tonic-gate 78497c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 78507c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_SETLK, flock); 78517c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(vp, F_SETLK, 78527c478bd9Sstevel@tonic-gate flock, flag, (u_offset_t)0, NULL, cred); 78537c478bd9Sstevel@tonic-gate 78547c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 78557c478bd9Sstevel@tonic-gate break; 78567c478bd9Sstevel@tonic-gate 78577c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 78587c478bd9Sstevel@tonic-gate delay(delaytime); 78597c478bd9Sstevel@tonic-gate delaytime *= 2; 78607c478bd9Sstevel@tonic-gate } 78617c478bd9Sstevel@tonic-gate } 78627c478bd9Sstevel@tonic-gate 78637c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 78647c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 78657c478bd9Sstevel@tonic-gate flk = *flock; 78667c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 78677c478bd9Sstevel@tonic-gate if (VOP_FRLOCK(vp, F_GETLK, 78687c478bd9Sstevel@tonic-gate &flk, flag, (u_offset_t)0, NULL, cred) == 0) { 78697c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 78707c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 78717c478bd9Sstevel@tonic-gate goto retry; 78727c478bd9Sstevel@tonic-gate } 78737c478bd9Sstevel@tonic-gate *flock = flk; 78747c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 78757c478bd9Sstevel@tonic-gate F_GETLK, &flk); 78767c478bd9Sstevel@tonic-gate } 78777c478bd9Sstevel@tonic-gate } 78787c478bd9Sstevel@tonic-gate 78797c478bd9Sstevel@tonic-gate return (error); 78807c478bd9Sstevel@tonic-gate } 78817c478bd9Sstevel@tonic-gate 78827c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 78837c478bd9Sstevel@tonic-gate static nfsstat4 78847c478bd9Sstevel@tonic-gate rfs4_do_lock(rfs4_lo_state_t *lp, nfs_lock_type4 locktype, 78857c478bd9Sstevel@tonic-gate seqid4 seqid, offset4 offset, 78867c478bd9Sstevel@tonic-gate length4 length, cred_t *cred, nfs_resop4 *resop) 78877c478bd9Sstevel@tonic-gate { 78887c478bd9Sstevel@tonic-gate nfsstat4 status; 78897c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo = lp->locker; 78907c478bd9Sstevel@tonic-gate rfs4_state_t *sp = lp->state; 78917c478bd9Sstevel@tonic-gate struct flock64 flock; 78927c478bd9Sstevel@tonic-gate int16_t ltype; 78937c478bd9Sstevel@tonic-gate int flag; 78947c478bd9Sstevel@tonic-gate int error; 78957c478bd9Sstevel@tonic-gate sysid_t sysid; 78967c478bd9Sstevel@tonic-gate LOCK4res *lres; 78977c478bd9Sstevel@tonic-gate 78987c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(lo->client)) { 78997c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 79007c478bd9Sstevel@tonic-gate } 79017c478bd9Sstevel@tonic-gate 79027c478bd9Sstevel@tonic-gate if ((status = rfs4_client_sysid(lo->client, &sysid)) != NFS4_OK) 79037c478bd9Sstevel@tonic-gate return (status); 79047c478bd9Sstevel@tonic-gate 79057c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 79067c478bd9Sstevel@tonic-gate if (length == 0) 79077c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 79087c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 79097c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 79107c478bd9Sstevel@tonic-gate 79117c478bd9Sstevel@tonic-gate retry: 79127c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 79137c478bd9Sstevel@tonic-gate 79147c478bd9Sstevel@tonic-gate 79157c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 79167c478bd9Sstevel@tonic-gate switch (locktype) { 79177c478bd9Sstevel@tonic-gate case READ_LT: 79187c478bd9Sstevel@tonic-gate case READW_LT: 79197c478bd9Sstevel@tonic-gate if ((sp->share_access 79207c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 79217c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 79227c478bd9Sstevel@tonic-gate 79237c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 79247c478bd9Sstevel@tonic-gate } 79257c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 79267c478bd9Sstevel@tonic-gate break; 79277c478bd9Sstevel@tonic-gate case WRITE_LT: 79287c478bd9Sstevel@tonic-gate case WRITEW_LT: 79297c478bd9Sstevel@tonic-gate if ((sp->share_access 79307c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 79317c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 79327c478bd9Sstevel@tonic-gate 79337c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 79347c478bd9Sstevel@tonic-gate } 79357c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 79367c478bd9Sstevel@tonic-gate break; 79377c478bd9Sstevel@tonic-gate } 79387c478bd9Sstevel@tonic-gate } else 79397c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 79407c478bd9Sstevel@tonic-gate 79417c478bd9Sstevel@tonic-gate flock.l_type = ltype; 79427c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 79437c478bd9Sstevel@tonic-gate flock.l_start = offset; 79447c478bd9Sstevel@tonic-gate flock.l_len = length; 79457c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 79467c478bd9Sstevel@tonic-gate flock.l_pid = lp->locker->pid; 79477c478bd9Sstevel@tonic-gate 79487c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 79497c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 79507c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 79517c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 79527c478bd9Sstevel@tonic-gate } 79537c478bd9Sstevel@tonic-gate 79547c478bd9Sstevel@tonic-gate /* 79557c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 79567c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 79577c478bd9Sstevel@tonic-gate */ 79587c478bd9Sstevel@tonic-gate flag = (int)sp->share_access | F_REMOTELOCK; 79597c478bd9Sstevel@tonic-gate 79607c478bd9Sstevel@tonic-gate error = setlock(sp->finfo->vp, &flock, flag, cred); 79617c478bd9Sstevel@tonic-gate if (error == 0) { 79627c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lp->dbe); 79637c478bd9Sstevel@tonic-gate next_stateid(&lp->lockid); 79647c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lp->dbe); 79657c478bd9Sstevel@tonic-gate } 79667c478bd9Sstevel@tonic-gate 79677c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 79687c478bd9Sstevel@tonic-gate 79697c478bd9Sstevel@tonic-gate /* 79707c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 79717c478bd9Sstevel@tonic-gate * than puterrno4 routine. 79727c478bd9Sstevel@tonic-gate */ 79737c478bd9Sstevel@tonic-gate switch (error) { 79747c478bd9Sstevel@tonic-gate case 0: 79757c478bd9Sstevel@tonic-gate status = NFS4_OK; 79767c478bd9Sstevel@tonic-gate break; 79777c478bd9Sstevel@tonic-gate case EAGAIN: 79787c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 79797c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 79807c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 79817c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 79827c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 79837c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 79847c478bd9Sstevel@tonic-gate == NFS4ERR_EXPIRED) 79857c478bd9Sstevel@tonic-gate goto retry; 79867c478bd9Sstevel@tonic-gate break; 79877c478bd9Sstevel@tonic-gate case ENOLCK: 79887c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 79897c478bd9Sstevel@tonic-gate break; 79907c478bd9Sstevel@tonic-gate case EOVERFLOW: 79917c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 79927c478bd9Sstevel@tonic-gate break; 79937c478bd9Sstevel@tonic-gate case EINVAL: 79947c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 79957c478bd9Sstevel@tonic-gate break; 79967c478bd9Sstevel@tonic-gate default: 79977c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_do_lock: unexpected errno (%d)", 79987c478bd9Sstevel@tonic-gate error); 79997c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 80007c478bd9Sstevel@tonic-gate break; 80017c478bd9Sstevel@tonic-gate } 80027c478bd9Sstevel@tonic-gate 80037c478bd9Sstevel@tonic-gate return (status); 80047c478bd9Sstevel@tonic-gate } 80057c478bd9Sstevel@tonic-gate 80067c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 80077c478bd9Sstevel@tonic-gate void 80087c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 80097c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 80107c478bd9Sstevel@tonic-gate { 80117c478bd9Sstevel@tonic-gate /* XXX Currently not using req arg */ 80127c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 80137c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 80147c478bd9Sstevel@tonic-gate nfsstat4 status; 80157c478bd9Sstevel@tonic-gate stateid4 *stateid; 80167c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 80177c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 80187c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 80197c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 80207c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 80217c478bd9Sstevel@tonic-gate bool_t create = TRUE; 80227c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 80237c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 80247c478bd9Sstevel@tonic-gate int rc; 80257c478bd9Sstevel@tonic-gate 80267c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 80277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 80287c478bd9Sstevel@tonic-gate return; 80297c478bd9Sstevel@tonic-gate } 80307c478bd9Sstevel@tonic-gate 80317c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 80327c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 80337c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 80347c478bd9Sstevel@tonic-gate 80357c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 80367c478bd9Sstevel@tonic-gate 80377c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 80387c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 80397c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 80407c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 80417c478bd9Sstevel@tonic-gate (CE_NOTE, "Get state failed in lock %d", 80427c478bd9Sstevel@tonic-gate status)); 80437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 80447c478bd9Sstevel@tonic-gate return; 80457c478bd9Sstevel@tonic-gate } 80467c478bd9Sstevel@tonic-gate 80477c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 80487c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 80497c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 80507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 80517c478bd9Sstevel@tonic-gate return; 80527c478bd9Sstevel@tonic-gate } 80537c478bd9Sstevel@tonic-gate 80547c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 80557c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 80567c478bd9Sstevel@tonic-gate 80577c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 80587c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 80597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 80607c478bd9Sstevel@tonic-gate goto end; 80617c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 80627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 80637c478bd9Sstevel@tonic-gate goto end; 80647c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 80657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 80667c478bd9Sstevel@tonic-gate goto end; 80677c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 80687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 80697c478bd9Sstevel@tonic-gate goto end; 80707c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 80717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 80727c478bd9Sstevel@tonic-gate goto end; 80737c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 80747c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 80757c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 80767c478bd9Sstevel@tonic-gate sp->owner, resop)) { 80777c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 80787c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 80797c478bd9Sstevel@tonic-gate break; 80807c478bd9Sstevel@tonic-gate /* 80817c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 80827c478bd9Sstevel@tonic-gate * matches next expected, then client 80837c478bd9Sstevel@tonic-gate * is using wrong seqid. 80847c478bd9Sstevel@tonic-gate */ 80857c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 80867c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 80877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 80887c478bd9Sstevel@tonic-gate NFS4ERR_BAD_SEQID; 80897c478bd9Sstevel@tonic-gate goto end; 80907c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 80917c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 80927c478bd9Sstevel@tonic-gate dup_lock = TRUE; 80937c478bd9Sstevel@tonic-gate 80947c478bd9Sstevel@tonic-gate /* 80957c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 80967c478bd9Sstevel@tonic-gate * create a new lockowner as it should 80977c478bd9Sstevel@tonic-gate * already exist. 80987c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 80997c478bd9Sstevel@tonic-gate */ 81007c478bd9Sstevel@tonic-gate lcreate = FALSE; 81017c478bd9Sstevel@tonic-gate } 81027c478bd9Sstevel@tonic-gate break; 81037c478bd9Sstevel@tonic-gate } 81047c478bd9Sstevel@tonic-gate 81057c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 81067c478bd9Sstevel@tonic-gate if (lo == NULL) { 81077c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 81087c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: no lock owner")); 81097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 81107c478bd9Sstevel@tonic-gate goto end; 81117c478bd9Sstevel@tonic-gate } 81127c478bd9Sstevel@tonic-gate 81137c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 81147c478bd9Sstevel@tonic-gate if (lsp == NULL) { 81157c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 81167c478bd9Sstevel@tonic-gate /* 81177c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 81187c478bd9Sstevel@tonic-gate * a duplicate request 81197c478bd9Sstevel@tonic-gate */ 81207c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 81217c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 81227c478bd9Sstevel@tonic-gate } 81237c478bd9Sstevel@tonic-gate 81247c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 81257c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: no state")); 81267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 81277c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 81287c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 81297c478bd9Sstevel@tonic-gate goto end; 81307c478bd9Sstevel@tonic-gate } 81317c478bd9Sstevel@tonic-gate 81327c478bd9Sstevel@tonic-gate /* 81337c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 81347c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 81357c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 81367c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 81377c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 81387c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 81397c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 81407c478bd9Sstevel@tonic-gate * existing lock_owner branch. 81417c478bd9Sstevel@tonic-gate */ 81427c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 81437c478bd9Sstevel@tonic-gate if (lsp->lock_completed == TRUE) { 81447c478bd9Sstevel@tonic-gate *cs->statusp = 81457c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 81467c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 81477c478bd9Sstevel@tonic-gate goto end; 81487c478bd9Sstevel@tonic-gate } 81497c478bd9Sstevel@tonic-gate } 81507c478bd9Sstevel@tonic-gate 81517c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 81527c478bd9Sstevel@tonic-gate 81537c478bd9Sstevel@tonic-gate /* 81547c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 81557c478bd9Sstevel@tonic-gate * a duplicate request 81567c478bd9Sstevel@tonic-gate */ 81577c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 81587c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 81597c478bd9Sstevel@tonic-gate } 81607c478bd9Sstevel@tonic-gate 81617c478bd9Sstevel@tonic-gate /* 81627c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 81637c478bd9Sstevel@tonic-gate * previously saved reply and return. 81647c478bd9Sstevel@tonic-gate */ 81657c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 81667c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 81677c478bd9Sstevel@tonic-gate if (lsp->seqid != olo->lock_seqid) { 81687c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 81697c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 81707c478bd9Sstevel@tonic-gate "lsp->seqid=%d old->seqid=%d", 81717c478bd9Sstevel@tonic-gate lsp->seqid, olo->lock_seqid)); 81727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 81737c478bd9Sstevel@tonic-gate } else { 81747c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lsp->reply); 81757c478bd9Sstevel@tonic-gate /* 81767c478bd9Sstevel@tonic-gate * Make sure to copy the just 81777c478bd9Sstevel@tonic-gate * retrieved reply status into the 81787c478bd9Sstevel@tonic-gate * overall compound status 81797c478bd9Sstevel@tonic-gate */ 81807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 81817c478bd9Sstevel@tonic-gate } 81827c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 81837c478bd9Sstevel@tonic-gate goto end; 81847c478bd9Sstevel@tonic-gate } 81857c478bd9Sstevel@tonic-gate 81867c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lsp->dbe); 81877c478bd9Sstevel@tonic-gate 81887c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 81897c478bd9Sstevel@tonic-gate lsp->seqid = olo->lock_seqid; 81907c478bd9Sstevel@tonic-gate 81917c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 81927c478bd9Sstevel@tonic-gate (CE_NOTE, "Lock seqid established as %d", lsp->seqid)); 81937c478bd9Sstevel@tonic-gate 81947c478bd9Sstevel@tonic-gate /* 81957c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 81967c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 81977c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 81987c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 81997c478bd9Sstevel@tonic-gate */ 82007c478bd9Sstevel@tonic-gate lsp->skip_seqid_check = TRUE; 82017c478bd9Sstevel@tonic-gate 82027c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 82037c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 82047c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 82057c478bd9Sstevel@tonic-gate 82067c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lsp->dbe); 82077c478bd9Sstevel@tonic-gate 82087c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 82097c478bd9Sstevel@tonic-gate } else { 82107c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 82117c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 82127c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 82137c478bd9Sstevel@tonic-gate != NFS4_OK) { 82147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 82157c478bd9Sstevel@tonic-gate return; 82167c478bd9Sstevel@tonic-gate } 82177c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 82187c478bd9Sstevel@tonic-gate 82197c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 82207c478bd9Sstevel@tonic-gate if (cs->vp != lsp->state->finfo->vp) { 82217c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 82227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82237c478bd9Sstevel@tonic-gate return; 82247c478bd9Sstevel@tonic-gate } 82257c478bd9Sstevel@tonic-gate 82267c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 82277c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 82287c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 82297c478bd9Sstevel@tonic-gate 82307c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 82317c478bd9Sstevel@tonic-gate /* 82327c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 82337c478bd9Sstevel@tonic-gate * the next one) 82347c478bd9Sstevel@tonic-gate */ 82357c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 82367c478bd9Sstevel@tonic-gate /* 82377c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 82387c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 82397c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 82407c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 82417c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 82427c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 82437c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 82447c478bd9Sstevel@tonic-gate * updated. That case is handled below when 82457c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 82467c478bd9Sstevel@tonic-gate * second is the case where an error is 82477c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 82487c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 82497c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 82507c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 82517c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 82527c478bd9Sstevel@tonic-gate * replay but it is okay. 82537c478bd9Sstevel@tonic-gate */ 82547c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 82557c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 82567c478bd9Sstevel@tonic-gate lsp, resop)) { 82577c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 82587c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 82597c478bd9Sstevel@tonic-gate /* 82607c478bd9Sstevel@tonic-gate * Here is our replay and need 82617c478bd9Sstevel@tonic-gate * to verify that the last 82627c478bd9Sstevel@tonic-gate * response was an error. 82637c478bd9Sstevel@tonic-gate */ 82647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 82657c478bd9Sstevel@tonic-gate goto end; 82667c478bd9Sstevel@tonic-gate } 82677c478bd9Sstevel@tonic-gate /* 82687c478bd9Sstevel@tonic-gate * This is done since the sequence id 82697c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 82707c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 82717c478bd9Sstevel@tonic-gate * returned as a result. 82727c478bd9Sstevel@tonic-gate */ 82737c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 82747c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 82757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 82767c478bd9Sstevel@tonic-gate NFS4ERR_BAD_SEQID; 82777c478bd9Sstevel@tonic-gate goto end; 82787c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 82797c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 82807c478bd9Sstevel@tonic-gate break; 82817c478bd9Sstevel@tonic-gate } 82827c478bd9Sstevel@tonic-gate break; 82837c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 82847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82857c478bd9Sstevel@tonic-gate goto end; 82867c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 82877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82887c478bd9Sstevel@tonic-gate goto end; 82897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 82907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 82917c478bd9Sstevel@tonic-gate goto end; 82927c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 82937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82947c478bd9Sstevel@tonic-gate goto end; 82957c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 82967c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 82977c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 82987c478bd9Sstevel@tonic-gate lsp, resop)) { 82997c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 83007c478bd9Sstevel@tonic-gate /* 83017c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 83027c478bd9Sstevel@tonic-gate * seqid matches the next expected, 83037c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 83047c478bd9Sstevel@tonic-gate */ 83057c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 83067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 83077c478bd9Sstevel@tonic-gate NFS4ERR_BAD_SEQID; 83087c478bd9Sstevel@tonic-gate goto end; 83097c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 83107c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 83117c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 83127c478bd9Sstevel@tonic-gate goto end; 83137c478bd9Sstevel@tonic-gate } 83147c478bd9Sstevel@tonic-gate break; 83157c478bd9Sstevel@tonic-gate default: 83167c478bd9Sstevel@tonic-gate ASSERT(FALSE); 83177c478bd9Sstevel@tonic-gate break; 83187c478bd9Sstevel@tonic-gate } 83197c478bd9Sstevel@tonic-gate 83207c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 83217c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 83227c478bd9Sstevel@tonic-gate } 83237c478bd9Sstevel@tonic-gate 83247c478bd9Sstevel@tonic-gate /* 83257c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 83267c478bd9Sstevel@tonic-gate * verify type of object. 83277c478bd9Sstevel@tonic-gate */ 83287c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 83297c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 83307c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 83317c478bd9Sstevel@tonic-gate else 83327c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 83337c478bd9Sstevel@tonic-gate goto out; 83347c478bd9Sstevel@tonic-gate } 83357c478bd9Sstevel@tonic-gate 83367c478bd9Sstevel@tonic-gate cp = lsp->state->owner->client; 83377c478bd9Sstevel@tonic-gate 83387c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 83397c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 83407c478bd9Sstevel@tonic-gate goto out; 83417c478bd9Sstevel@tonic-gate } 83427c478bd9Sstevel@tonic-gate 83437c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->can_reclaim) { 83447c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 83457c478bd9Sstevel@tonic-gate goto out; 83467c478bd9Sstevel@tonic-gate } 83477c478bd9Sstevel@tonic-gate 83487c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 83497c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 83507c478bd9Sstevel@tonic-gate goto out; 83517c478bd9Sstevel@tonic-gate } 83527c478bd9Sstevel@tonic-gate 83537c478bd9Sstevel@tonic-gate if (lsp->state->finfo->dinfo->dtype == OPEN_DELEGATE_WRITE) 83547c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 83557c478bd9Sstevel@tonic-gate 83567c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 83577c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 83587c478bd9Sstevel@tonic-gate args->offset, 83597c478bd9Sstevel@tonic-gate args->length, cs->cr, resop); 83607c478bd9Sstevel@tonic-gate 83617c478bd9Sstevel@tonic-gate out: 83627c478bd9Sstevel@tonic-gate lsp->skip_seqid_check = FALSE; 83637c478bd9Sstevel@tonic-gate 83647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 83657c478bd9Sstevel@tonic-gate 83667c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 83677c478bd9Sstevel@tonic-gate resp->LOCK4res_u.lock_stateid = lsp->lockid.stateid; 83687c478bd9Sstevel@tonic-gate lsp->lock_completed = TRUE; 83697c478bd9Sstevel@tonic-gate } 83707c478bd9Sstevel@tonic-gate /* 83717c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 83727c478bd9Sstevel@tonic-gate * lock_owner 83737c478bd9Sstevel@tonic-gate */ 83747c478bd9Sstevel@tonic-gate if (sp) 83757c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 83767c478bd9Sstevel@tonic-gate 83777c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 83787c478bd9Sstevel@tonic-gate 83797c478bd9Sstevel@tonic-gate end: 83807c478bd9Sstevel@tonic-gate if (lsp) { 83817c478bd9Sstevel@tonic-gate if (ls_sw_held) 83827c478bd9Sstevel@tonic-gate rfs4_sw_exit(&lsp->ls_sw); 83837c478bd9Sstevel@tonic-gate /* 83847c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 83857c478bd9Sstevel@tonic-gate * a lock on the file struct. 83867c478bd9Sstevel@tonic-gate */ 83877c478bd9Sstevel@tonic-gate if (sp != NULL) 83887c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 83897c478bd9Sstevel@tonic-gate else 83907c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 83917c478bd9Sstevel@tonic-gate } 83927c478bd9Sstevel@tonic-gate if (sp) { 83937c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 83947c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 83957c478bd9Sstevel@tonic-gate } 83967c478bd9Sstevel@tonic-gate } 83977c478bd9Sstevel@tonic-gate 83987c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 83997c478bd9Sstevel@tonic-gate static void 84007c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 84017c478bd9Sstevel@tonic-gate { 84027c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 84037c478bd9Sstevel@tonic-gate 84047c478bd9Sstevel@tonic-gate switch (resop->resop) { 84057c478bd9Sstevel@tonic-gate case OP_LOCK: 84067c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 84077c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 84087c478bd9Sstevel@tonic-gate break; 84097c478bd9Sstevel@tonic-gate case OP_LOCKT: 84107c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 84117c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 84127c478bd9Sstevel@tonic-gate break; 84137c478bd9Sstevel@tonic-gate default: 84147c478bd9Sstevel@tonic-gate break; 84157c478bd9Sstevel@tonic-gate } 84167c478bd9Sstevel@tonic-gate 84177c478bd9Sstevel@tonic-gate if (dp) 84187c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 84197c478bd9Sstevel@tonic-gate } 84207c478bd9Sstevel@tonic-gate 84217c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 84227c478bd9Sstevel@tonic-gate void 84237c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 84247c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 84257c478bd9Sstevel@tonic-gate { 84267c478bd9Sstevel@tonic-gate /* XXX Currently not using req arg */ 84277c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 84287c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 84297c478bd9Sstevel@tonic-gate nfsstat4 status; 84307c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 84317c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 84327c478bd9Sstevel@tonic-gate 84337c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 84347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 84357c478bd9Sstevel@tonic-gate return; 84367c478bd9Sstevel@tonic-gate } 84377c478bd9Sstevel@tonic-gate 84387c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 84397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 84407c478bd9Sstevel@tonic-gate return; 84417c478bd9Sstevel@tonic-gate } 84427c478bd9Sstevel@tonic-gate 84437c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 84447c478bd9Sstevel@tonic-gate if (cs->vp != lsp->state->finfo->vp) { 84457c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 84467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 84477c478bd9Sstevel@tonic-gate return; 84487c478bd9Sstevel@tonic-gate } 84497c478bd9Sstevel@tonic-gate 84507c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 84517c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 84527c478bd9Sstevel@tonic-gate 84537c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 84547c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 84557c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 84567c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 84577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 84587c478bd9Sstevel@tonic-gate goto end; 84597c478bd9Sstevel@tonic-gate } 84607c478bd9Sstevel@tonic-gate break; 84617c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 84627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 84637c478bd9Sstevel@tonic-gate goto end; 84647c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 84657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 84667c478bd9Sstevel@tonic-gate goto end; 84677c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 84687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 84697c478bd9Sstevel@tonic-gate goto end; 84707c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 84717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 84727c478bd9Sstevel@tonic-gate goto end; 84737c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 84747c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 84757c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 84767c478bd9Sstevel@tonic-gate /* 84777c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 84787c478bd9Sstevel@tonic-gate * seqid matches the next expected, 84797c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 84807c478bd9Sstevel@tonic-gate */ 84817c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 84827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 84837c478bd9Sstevel@tonic-gate NFS4ERR_BAD_SEQID; 84847c478bd9Sstevel@tonic-gate goto end; 84857c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 84867c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 84877c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 84887c478bd9Sstevel@tonic-gate goto end; 84897c478bd9Sstevel@tonic-gate } 84907c478bd9Sstevel@tonic-gate break; 84917c478bd9Sstevel@tonic-gate default: 84927c478bd9Sstevel@tonic-gate ASSERT(FALSE); 84937c478bd9Sstevel@tonic-gate break; 84947c478bd9Sstevel@tonic-gate } 84957c478bd9Sstevel@tonic-gate 84967c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 84977c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 84987c478bd9Sstevel@tonic-gate 84997c478bd9Sstevel@tonic-gate /* 85007c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 85017c478bd9Sstevel@tonic-gate * verify type of object. 85027c478bd9Sstevel@tonic-gate */ 85037c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 85047c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 85057c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 85067c478bd9Sstevel@tonic-gate else 85077c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 85087c478bd9Sstevel@tonic-gate goto out; 85097c478bd9Sstevel@tonic-gate } 85107c478bd9Sstevel@tonic-gate 85117c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(lsp->state->owner->client)) { 85127c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 85137c478bd9Sstevel@tonic-gate goto out; 85147c478bd9Sstevel@tonic-gate } 85157c478bd9Sstevel@tonic-gate 85167c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 85177c478bd9Sstevel@tonic-gate args->seqid, args->offset, 85187c478bd9Sstevel@tonic-gate args->length, cs->cr, resop); 85197c478bd9Sstevel@tonic-gate 85207c478bd9Sstevel@tonic-gate out: 85217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 85227c478bd9Sstevel@tonic-gate 85237c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 85247c478bd9Sstevel@tonic-gate resp->lock_stateid = lsp->lockid.stateid; 85257c478bd9Sstevel@tonic-gate 85267c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 85277c478bd9Sstevel@tonic-gate 85287c478bd9Sstevel@tonic-gate end: 85297c478bd9Sstevel@tonic-gate rfs4_sw_exit(&lsp->ls_sw); 85307c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 85317c478bd9Sstevel@tonic-gate } 85327c478bd9Sstevel@tonic-gate 85337c478bd9Sstevel@tonic-gate /* 85347c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 85357c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 85367c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 85377c478bd9Sstevel@tonic-gate * and can not be accurate. 85387c478bd9Sstevel@tonic-gate */ 85397c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85407c478bd9Sstevel@tonic-gate void 85417c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 85427c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 85437c478bd9Sstevel@tonic-gate { 85447c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 85457c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 85467c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 85477c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 85487c478bd9Sstevel@tonic-gate bool_t create = FALSE; 85497c478bd9Sstevel@tonic-gate struct flock64 flk; 85507c478bd9Sstevel@tonic-gate int error; 85517c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 85527c478bd9Sstevel@tonic-gate int ltype; 85537c478bd9Sstevel@tonic-gate length4 posix_length; 85547c478bd9Sstevel@tonic-gate sysid_t sysid; 85557c478bd9Sstevel@tonic-gate pid_t pid; 85567c478bd9Sstevel@tonic-gate 85577c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 85587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 85597c478bd9Sstevel@tonic-gate return; 85607c478bd9Sstevel@tonic-gate } 85617c478bd9Sstevel@tonic-gate 85627c478bd9Sstevel@tonic-gate /* 85637c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 85647c478bd9Sstevel@tonic-gate * verify type of object. 85657c478bd9Sstevel@tonic-gate */ 85667c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 85677c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 85687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 85697c478bd9Sstevel@tonic-gate else 85707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 85717c478bd9Sstevel@tonic-gate return; 85727c478bd9Sstevel@tonic-gate } 85737c478bd9Sstevel@tonic-gate 85747c478bd9Sstevel@tonic-gate /* 85757c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 85767c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 85777c478bd9Sstevel@tonic-gate */ 85787c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 85797c478bd9Sstevel@tonic-gate == NULL) { 85807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 85817c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->owner.clientid, 0); 85827c478bd9Sstevel@tonic-gate return; 85837c478bd9Sstevel@tonic-gate } 85847c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 85857c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 85867c478bd9Sstevel@tonic-gate /* 85877c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 85887c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 85897c478bd9Sstevel@tonic-gate * is returned instead 85907c478bd9Sstevel@tonic-gate */ 85917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 85927c478bd9Sstevel@tonic-gate return; 85937c478bd9Sstevel@tonic-gate } 85947c478bd9Sstevel@tonic-gate 85957c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp)) { 85967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 85977c478bd9Sstevel@tonic-gate return; 85987c478bd9Sstevel@tonic-gate } 85997c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 86007c478bd9Sstevel@tonic-gate 86017c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 86027c478bd9Sstevel@tonic-gate 86037c478bd9Sstevel@tonic-gate switch (args->locktype) { 86047c478bd9Sstevel@tonic-gate case READ_LT: 86057c478bd9Sstevel@tonic-gate case READW_LT: 86067c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 86077c478bd9Sstevel@tonic-gate break; 86087c478bd9Sstevel@tonic-gate case WRITE_LT: 86097c478bd9Sstevel@tonic-gate case WRITEW_LT: 86107c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 86117c478bd9Sstevel@tonic-gate break; 86127c478bd9Sstevel@tonic-gate } 86137c478bd9Sstevel@tonic-gate 86147c478bd9Sstevel@tonic-gate posix_length = args->length; 86157c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 86167c478bd9Sstevel@tonic-gate if (posix_length == 0) { 86177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 86187c478bd9Sstevel@tonic-gate return; 86197c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 86207c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 86217c478bd9Sstevel@tonic-gate } 86227c478bd9Sstevel@tonic-gate 86237c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 86247c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 86257c478bd9Sstevel@tonic-gate 86267c478bd9Sstevel@tonic-gate if (lo) { 86277c478bd9Sstevel@tonic-gate pid = lo->pid; 86287c478bd9Sstevel@tonic-gate if ((resp->status = 86297c478bd9Sstevel@tonic-gate rfs4_client_sysid(lo->client, &sysid)) != NFS4_OK) 86307c478bd9Sstevel@tonic-gate goto out; 86317c478bd9Sstevel@tonic-gate } else { 86327c478bd9Sstevel@tonic-gate pid = 0; 86337c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 86347c478bd9Sstevel@tonic-gate } 86357c478bd9Sstevel@tonic-gate retry: 86367c478bd9Sstevel@tonic-gate flk.l_type = ltype; 86377c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 86387c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 86397c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 86407c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 86417c478bd9Sstevel@tonic-gate flk.l_pid = pid; 86427c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 86437c478bd9Sstevel@tonic-gate 86447c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 86457c478bd9Sstevel@tonic-gate 86467c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 86477c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 86487c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 86497c478bd9Sstevel@tonic-gate goto out; 86507c478bd9Sstevel@tonic-gate } 86517c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 86527c478bd9Sstevel@tonic-gate NULL, cs->cr); 86537c478bd9Sstevel@tonic-gate 86547c478bd9Sstevel@tonic-gate /* 86557c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 86567c478bd9Sstevel@tonic-gate * than puterrno4 routine. 86577c478bd9Sstevel@tonic-gate */ 86587c478bd9Sstevel@tonic-gate switch (error) { 86597c478bd9Sstevel@tonic-gate case 0: 86607c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 86617c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 86627c478bd9Sstevel@tonic-gate else { 86637c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 86647c478bd9Sstevel@tonic-gate goto retry; 86657c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 86667c478bd9Sstevel@tonic-gate } 86677c478bd9Sstevel@tonic-gate break; 86687c478bd9Sstevel@tonic-gate case EOVERFLOW: 86697c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 86707c478bd9Sstevel@tonic-gate break; 86717c478bd9Sstevel@tonic-gate case EINVAL: 86727c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 86737c478bd9Sstevel@tonic-gate break; 86747c478bd9Sstevel@tonic-gate default: 86757c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 86767c478bd9Sstevel@tonic-gate error); 86777c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 86787c478bd9Sstevel@tonic-gate break; 86797c478bd9Sstevel@tonic-gate } 86807c478bd9Sstevel@tonic-gate 86817c478bd9Sstevel@tonic-gate out: 86827c478bd9Sstevel@tonic-gate if (lo) 86837c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 86847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 86857c478bd9Sstevel@tonic-gate } 86867c478bd9Sstevel@tonic-gate 86877c478bd9Sstevel@tonic-gate static int 86887c478bd9Sstevel@tonic-gate vop_shrlock(vnode_t *vp, int cmd, struct shrlock *sp, int fflags) 86897c478bd9Sstevel@tonic-gate { 86907c478bd9Sstevel@tonic-gate int err; 86917c478bd9Sstevel@tonic-gate 86927c478bd9Sstevel@tonic-gate if (cmd == F_UNSHARE && sp->s_deny == 0 && sp->s_access == 0) 86937c478bd9Sstevel@tonic-gate return (0); 86947c478bd9Sstevel@tonic-gate 86957c478bd9Sstevel@tonic-gate err = VOP_SHRLOCK(vp, cmd, sp, fflags, CRED()); 86967c478bd9Sstevel@tonic-gate 86977c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_shrlock_debug, 86987c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_shrlock %s vp=%p acc=%d dny=%d sysid=%d " 86997c478bd9Sstevel@tonic-gate "pid=%d err=%d\n", cmd == F_SHARE ? "SHARE" : "UNSHR", 87007c478bd9Sstevel@tonic-gate (void *) vp, sp->s_access, sp->s_deny, sp->s_sysid, sp->s_pid, 87017c478bd9Sstevel@tonic-gate err)); 87027c478bd9Sstevel@tonic-gate 87037c478bd9Sstevel@tonic-gate return (err); 87047c478bd9Sstevel@tonic-gate } 87057c478bd9Sstevel@tonic-gate 87067c478bd9Sstevel@tonic-gate static int 87077c478bd9Sstevel@tonic-gate rfs4_shrlock(rfs4_state_t *sp, int cmd) 87087c478bd9Sstevel@tonic-gate { 87097c478bd9Sstevel@tonic-gate struct shrlock shr; 87107c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 87117c478bd9Sstevel@tonic-gate int fflags; 87127c478bd9Sstevel@tonic-gate 87137c478bd9Sstevel@tonic-gate fflags = shr.s_access = shr.s_deny = 0; 87147c478bd9Sstevel@tonic-gate 87157c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_READ) { 87167c478bd9Sstevel@tonic-gate fflags |= FREAD; 87177c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 87187c478bd9Sstevel@tonic-gate } 87197c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_WRITE) { 87207c478bd9Sstevel@tonic-gate fflags |= FWRITE; 87217c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 87227c478bd9Sstevel@tonic-gate } 87237c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_READ) 87247c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 87257c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_WRITE) 87267c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 87277c478bd9Sstevel@tonic-gate 87287c478bd9Sstevel@tonic-gate shr.s_pid = rfs4_dbe_getid(sp->owner->dbe); 87297c478bd9Sstevel@tonic-gate shr.s_sysid = sp->owner->client->sysidt; 87307c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 87317c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 87327c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 87337c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 87347c478bd9Sstevel@tonic-gate return (vop_shrlock(sp->finfo->vp, cmd, &shr, fflags)); 87357c478bd9Sstevel@tonic-gate } 87367c478bd9Sstevel@tonic-gate 87377c478bd9Sstevel@tonic-gate static int 87387c478bd9Sstevel@tonic-gate rfs4_share(rfs4_state_t *sp) 87397c478bd9Sstevel@tonic-gate { 87407c478bd9Sstevel@tonic-gate return (rfs4_shrlock(sp, F_SHARE)); 87417c478bd9Sstevel@tonic-gate } 87427c478bd9Sstevel@tonic-gate 87437c478bd9Sstevel@tonic-gate void 87447c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 87457c478bd9Sstevel@tonic-gate { 87467c478bd9Sstevel@tonic-gate (void) rfs4_shrlock(sp, F_UNSHARE); 87477c478bd9Sstevel@tonic-gate } 8748