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 /* 22aa59c4cbSrsb * 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> 39aa59c4cbSrsb #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 1437c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate u_longlong_t nfs4_srv_caller_id; 1481b300de9Sjwahlig uint_t nfs4_srv_vkey = 0; 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1517c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate void rfs4_init_compound_state(struct compound_state *); 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1567c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1577c478bd9Sstevel@tonic-gate struct compound_state *); 1587c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1597c478bd9Sstevel@tonic-gate struct compound_state *); 1607c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1617c478bd9Sstevel@tonic-gate struct compound_state *); 1627c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1637c478bd9Sstevel@tonic-gate struct compound_state *); 1647c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1657c478bd9Sstevel@tonic-gate struct compound_state *); 1667c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1677c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 1687c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1707c478bd9Sstevel@tonic-gate struct compound_state *); 1717c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1727c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1737c478bd9Sstevel@tonic-gate struct compound_state *); 1747c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1757c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1767c478bd9Sstevel@tonic-gate struct compound_state *); 1777c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1787c478bd9Sstevel@tonic-gate struct compound_state *); 1797c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1807c478bd9Sstevel@tonic-gate struct compound_state *); 1817c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1827c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1837c478bd9Sstevel@tonic-gate struct compound_state *); 1847c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1857c478bd9Sstevel@tonic-gate struct compound_state *); 1867c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1877c478bd9Sstevel@tonic-gate struct compound_state *); 1887c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1897c478bd9Sstevel@tonic-gate struct compound_state *); 1907c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 1917c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 1927c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1937c478bd9Sstevel@tonic-gate struct compound_state *); 1947c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1957c478bd9Sstevel@tonic-gate struct compound_state *); 1967c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 1977c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 1987c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 1997c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2007c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2017c478bd9Sstevel@tonic-gate struct compound_state *); 2027c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2037c478bd9Sstevel@tonic-gate struct compound_state *); 2047c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2057c478bd9Sstevel@tonic-gate struct compound_state *); 2067c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2077c478bd9Sstevel@tonic-gate struct compound_state *); 2087c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2097c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2107c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2117c478bd9Sstevel@tonic-gate struct compound_state *); 2127c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2137c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2147c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2157c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2167c478bd9Sstevel@tonic-gate struct compound_state *); 2177c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2187c478bd9Sstevel@tonic-gate struct compound_state *); 2197c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2207c478bd9Sstevel@tonic-gate struct compound_state *); 2217c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2227c478bd9Sstevel@tonic-gate struct compound_state *); 2237c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2247c478bd9Sstevel@tonic-gate struct compound_state *); 2257c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2267c478bd9Sstevel@tonic-gate struct compound_state *); 2277c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2287c478bd9Sstevel@tonic-gate struct compound_state *); 2297c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2307c478bd9Sstevel@tonic-gate struct compound_state *); 2317c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2327c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2337c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2347c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2357c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2367c478bd9Sstevel@tonic-gate struct compound_state *); 2377c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2407c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2417c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 2427c478bd9Sstevel@tonic-gate static int vop_shrlock(vnode_t *, int, struct shrlock *, int); 2437c478bd9Sstevel@tonic-gate static int rfs4_shrlock(rfs4_state_t *, int); 2447c478bd9Sstevel@tonic-gate static int rfs4_share(rfs4_state_t *); 2457c478bd9Sstevel@tonic-gate void rfs4_ss_clid(rfs4_client_t *, struct svc_req *); 2467c478bd9Sstevel@tonic-gate 2477c478bd9Sstevel@tonic-gate /* 2487c478bd9Sstevel@tonic-gate * translation table for attrs 2497c478bd9Sstevel@tonic-gate */ 2507c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2517c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2527c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2537c478bd9Sstevel@tonic-gate int attrcnt; 2547c478bd9Sstevel@tonic-gate bool_t vfsstat; 2557c478bd9Sstevel@tonic-gate }; 2567c478bd9Sstevel@tonic-gate 2577c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2587c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2597c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2627c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2637c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate fem_t *deleg_rdops; 2667c478bd9Sstevel@tonic-gate fem_t *deleg_wrops; 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2697c478bd9Sstevel@tonic-gate kmutex_t rfs4_servinst_lock; /* protects linked list */ 2707c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate /* 2737c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2747c478bd9Sstevel@tonic-gate */ 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate struct rfsv4disp { 2777c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2787c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2797c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2807c478bd9Sstevel@tonic-gate }; 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2837c478bd9Sstevel@tonic-gate /* 2847c478bd9Sstevel@tonic-gate * NFS VERSION 4 2857c478bd9Sstevel@tonic-gate */ 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2887c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2917c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 2947c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 2977c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3007c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3017c478bd9Sstevel@tonic-gate 3027c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3037c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3067c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 3097c478bd9Sstevel@tonic-gate {rfs4_op_inval, nullfree, 0}, 3107c478bd9Sstevel@tonic-gate 3117c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3127c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3137c478bd9Sstevel@tonic-gate 3147c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3157c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3187c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3217c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3247c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3277c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3307c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3337c478bd9Sstevel@tonic-gate {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT|RPC_PUBLICFH_OK)}, 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3367c478bd9Sstevel@tonic-gate {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT|RPC_PUBLICFH_OK)}, 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3397c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3427c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3457c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3487c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3517c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3547c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3577c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3607c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3637c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3667c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3697c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3727c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3757c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3787c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3817c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3847c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3877c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3907c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3937c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 3967c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 3997c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4027c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4057c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4067c478bd9Sstevel@tonic-gate }; 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate #ifdef DEBUG 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate int rfs4_fillone_debug = 0; 4157c478bd9Sstevel@tonic-gate int rfs4_shrlock_debug = 0; 4167c478bd9Sstevel@tonic-gate int rfs4_no_stub_access = 1; 4177c478bd9Sstevel@tonic-gate int rfs4_rddir_debug = 0; 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate static char *rfs4_op_string[] = { 4207c478bd9Sstevel@tonic-gate "rfs4_op_null", 4217c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4227c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4237c478bd9Sstevel@tonic-gate "rfs4_op_access", 4247c478bd9Sstevel@tonic-gate "rfs4_op_close", 4257c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4267c478bd9Sstevel@tonic-gate "rfs4_op_create", 4277c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4287c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4297c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4307c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4317c478bd9Sstevel@tonic-gate "rfs4_op_link", 4327c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4337c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4347c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4357c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4367c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4377c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4387c478bd9Sstevel@tonic-gate "rfs4_op_open", 4397c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4407c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4417c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4427c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4437c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4447c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4457c478bd9Sstevel@tonic-gate "rfs4_op_read", 4467c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4477c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4487c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4497c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4507c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4517c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4527c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4537c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4547c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4557c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4567c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4577c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4587c478bd9Sstevel@tonic-gate "rfs4_op_write", 4597c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4607c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4617c478bd9Sstevel@tonic-gate }; 4627c478bd9Sstevel@tonic-gate #endif 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate void rfs4_ss_chkclid(rfs4_client_t *); 4657c478bd9Sstevel@tonic-gate 466cee86682Scalum extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 467cee86682Scalum 4687c478bd9Sstevel@tonic-gate #ifdef nextdp 4697c478bd9Sstevel@tonic-gate #undef nextdp 4707c478bd9Sstevel@tonic-gate #endif 4717c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4727c478bd9Sstevel@tonic-gate 4737c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 474*cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 475*cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 476*cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 477aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 478*cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 479*cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 480*cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_rd_vnevent }, 481aa59c4cbSrsb NULL, NULL 4827c478bd9Sstevel@tonic-gate }; 4837c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 484*cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 485*cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 486*cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 487*cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 488aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 489*cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 490*cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 491*cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_wr_vnevent }, 492aa59c4cbSrsb NULL, NULL 4937c478bd9Sstevel@tonic-gate }; 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate int 4967c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 4977c478bd9Sstevel@tonic-gate { 4987c478bd9Sstevel@tonic-gate timespec32_t verf; 4997c478bd9Sstevel@tonic-gate int error; 5007c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5017c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate /* 5047c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5057c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5067c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5077c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5087c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5097c478bd9Sstevel@tonic-gate * different servers. 5107c478bd9Sstevel@tonic-gate * 5117c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5127c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5137c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5147c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5157c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5167c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5177c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5187c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5197c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5207c478bd9Sstevel@tonic-gate */ 5217c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)nfs_atoi(hw_serial); 5227c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5237c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5247c478bd9Sstevel@tonic-gate } else { 5257c478bd9Sstevel@tonic-gate timespec_t tverf; 5267c478bd9Sstevel@tonic-gate 5277c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5287c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5297c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5307c478bd9Sstevel@tonic-gate } 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5357c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5387c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5397c478bd9Sstevel@tonic-gate 5407c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5417c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5427c478bd9Sstevel@tonic-gate 5437c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5447c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5477c478bd9Sstevel@tonic-gate if (error != 0) { 5487c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5497c478bd9Sstevel@tonic-gate } else { 5507c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5511b300de9Sjwahlig &deleg_wrops); 5527c478bd9Sstevel@tonic-gate if (error != 0) { 5537c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5547c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5557c478bd9Sstevel@tonic-gate } 5567c478bd9Sstevel@tonic-gate } 5577c478bd9Sstevel@tonic-gate 5587c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5617c478bd9Sstevel@tonic-gate 5621b300de9Sjwahlig vsd_create(&nfs4_srv_vkey, NULL); 5631b300de9Sjwahlig 5647c478bd9Sstevel@tonic-gate return (0); 5657c478bd9Sstevel@tonic-gate } 5667c478bd9Sstevel@tonic-gate 5677c478bd9Sstevel@tonic-gate void 5687c478bd9Sstevel@tonic-gate rfs4_srvrfini(void) 5697c478bd9Sstevel@tonic-gate { 5707c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate if (lockt_sysid != LM_NOSYSID) { 5737c478bd9Sstevel@tonic-gate lm_free_sysidt(lockt_sysid); 5747c478bd9Sstevel@tonic-gate lockt_sysid = LM_NOSYSID; 5757c478bd9Sstevel@tonic-gate } 5767c478bd9Sstevel@tonic-gate 5777c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_deleg_lock); 5787c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_state_lock); 5797c478bd9Sstevel@tonic-gate rw_destroy(&rfs4_deleg_policy_lock); 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5827c478bd9Sstevel@tonic-gate fem_free(deleg_wrops); 5837c478bd9Sstevel@tonic-gate } 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate void 5867c478bd9Sstevel@tonic-gate rfs4_init_compound_state(struct compound_state *cs) 5877c478bd9Sstevel@tonic-gate { 5887c478bd9Sstevel@tonic-gate bzero(cs, sizeof (*cs)); 5897c478bd9Sstevel@tonic-gate cs->cont = TRUE; 5907c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_DENIED; 5917c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 5927c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 5937c478bd9Sstevel@tonic-gate cs->fh.nfs_fh4_val = cs->fhbuf; 5947c478bd9Sstevel@tonic-gate } 5957c478bd9Sstevel@tonic-gate 5967c478bd9Sstevel@tonic-gate void 5977c478bd9Sstevel@tonic-gate rfs4_grace_start(rfs4_servinst_t *sip) 5987c478bd9Sstevel@tonic-gate { 5997c478bd9Sstevel@tonic-gate time_t now = gethrestime_sec(); 6007c478bd9Sstevel@tonic-gate 6017c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 6027c478bd9Sstevel@tonic-gate sip->start_time = now; 6037c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6047c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6057c478bd9Sstevel@tonic-gate } 6067c478bd9Sstevel@tonic-gate 6077c478bd9Sstevel@tonic-gate /* 6087c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6097c478bd9Sstevel@tonic-gate */ 6107c478bd9Sstevel@tonic-gate int 6117c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6127c478bd9Sstevel@tonic-gate { 6137c478bd9Sstevel@tonic-gate time_t start_time; 6147c478bd9Sstevel@tonic-gate 6157c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6167c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6177c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6187c478bd9Sstevel@tonic-gate 6197c478bd9Sstevel@tonic-gate return (start_time == 0); 6207c478bd9Sstevel@tonic-gate } 6217c478bd9Sstevel@tonic-gate 6227c478bd9Sstevel@tonic-gate /* 6237c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6247c478bd9Sstevel@tonic-gate * grace period. 6257c478bd9Sstevel@tonic-gate */ 6267c478bd9Sstevel@tonic-gate int 6277c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6287c478bd9Sstevel@tonic-gate { 6297c478bd9Sstevel@tonic-gate time_t grace_expiry; 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6327c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6337c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6347c478bd9Sstevel@tonic-gate 6357c478bd9Sstevel@tonic-gate return (gethrestime_sec() < grace_expiry); 6367c478bd9Sstevel@tonic-gate } 6377c478bd9Sstevel@tonic-gate 6387c478bd9Sstevel@tonic-gate int 6397c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6407c478bd9Sstevel@tonic-gate { 6417c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 6427c478bd9Sstevel@tonic-gate 6437c478bd9Sstevel@tonic-gate return (rfs4_servinst_in_grace(cp->server_instance)); 6447c478bd9Sstevel@tonic-gate } 6457c478bd9Sstevel@tonic-gate 6467c478bd9Sstevel@tonic-gate /* 6477c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6487c478bd9Sstevel@tonic-gate */ 6497c478bd9Sstevel@tonic-gate void 6507c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6517c478bd9Sstevel@tonic-gate { 6527c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6537c478bd9Sstevel@tonic-gate 6547c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 655cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 656cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6577c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6587c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate /* 6627c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6637c478bd9Sstevel@tonic-gate */ 6647c478bd9Sstevel@tonic-gate void 6657c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6667c478bd9Sstevel@tonic-gate { 6677c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6687c478bd9Sstevel@tonic-gate 6697c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 670cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6717c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6727c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6737c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 674cee86682Scalum } 675cee86682Scalum 676cee86682Scalum static rfs4_dss_path_t * 677cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 678cee86682Scalum { 679cee86682Scalum size_t len; 680cee86682Scalum rfs4_dss_path_t *dss_path; 681cee86682Scalum 682cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 683cee86682Scalum 684cee86682Scalum /* 685cee86682Scalum * Take a copy of the string, since the original may be overwritten. 686cee86682Scalum * Sadly, no strdup() in the kernel. 687cee86682Scalum */ 688cee86682Scalum /* allow for NUL */ 689cee86682Scalum len = strlen(path) + 1; 690cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 691cee86682Scalum (void) strlcpy(dss_path->path, path, len); 692cee86682Scalum 693cee86682Scalum /* associate with servinst */ 694cee86682Scalum dss_path->sip = sip; 695cee86682Scalum dss_path->index = index; 696cee86682Scalum 697cee86682Scalum /* 698cee86682Scalum * Add to list of served paths. 699cee86682Scalum * No locking required, as we're only ever called at startup. 700cee86682Scalum */ 701cee86682Scalum if (rfs4_dss_pathlist == NULL) { 702cee86682Scalum /* this is the first dss_path_t */ 7037c478bd9Sstevel@tonic-gate 704cee86682Scalum /* needed for insque/remque */ 705cee86682Scalum dss_path->next = dss_path->prev = dss_path; 706cee86682Scalum 707cee86682Scalum rfs4_dss_pathlist = dss_path; 708cee86682Scalum } else { 709cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 710cee86682Scalum } 711cee86682Scalum 712cee86682Scalum return (dss_path); 7137c478bd9Sstevel@tonic-gate } 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate /* 7167c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7177c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7187c478bd9Sstevel@tonic-gate * recovery window. 7197c478bd9Sstevel@tonic-gate */ 7207c478bd9Sstevel@tonic-gate void 721cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7227c478bd9Sstevel@tonic-gate { 723cee86682Scalum unsigned i; 7247c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 725cee86682Scalum rfs4_oldstate_t *oldstate; 7267c478bd9Sstevel@tonic-gate 7277c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7287c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7297c478bd9Sstevel@tonic-gate 7307c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7317c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7327c478bd9Sstevel@tonic-gate sip->next = NULL; 7337c478bd9Sstevel@tonic-gate sip->prev = NULL; 7347c478bd9Sstevel@tonic-gate 735cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 736cee86682Scalum /* 737cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 738cee86682Scalum * It must be skipped over whenever the list is traversed. 739cee86682Scalum */ 740cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 741cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 742cee86682Scalum oldstate->next = oldstate; 743cee86682Scalum oldstate->prev = oldstate; 744cee86682Scalum sip->oldstate = oldstate; 745cee86682Scalum 746cee86682Scalum 747cee86682Scalum sip->dss_npaths = dss_npaths; 748cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 749cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 750cee86682Scalum 751cee86682Scalum for (i = 0; i < dss_npaths; i++) { 752cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 753cee86682Scalum } 754cee86682Scalum 7557c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 756cee86682Scalum if (rfs4_cur_servinst != NULL) { 7577c478bd9Sstevel@tonic-gate /* add to linked list */ 7587c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7597c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7607c478bd9Sstevel@tonic-gate } 7617c478bd9Sstevel@tonic-gate if (start_grace) 7627c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7637c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7647c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7657c478bd9Sstevel@tonic-gate 766cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7677c478bd9Sstevel@tonic-gate } 7687c478bd9Sstevel@tonic-gate 7697c478bd9Sstevel@tonic-gate /* 7707c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7717c478bd9Sstevel@tonic-gate * all instances directly. 7727c478bd9Sstevel@tonic-gate */ 7737c478bd9Sstevel@tonic-gate void 7747c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7757c478bd9Sstevel@tonic-gate { 7767c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7777c478bd9Sstevel@tonic-gate #ifdef DEBUG 7787c478bd9Sstevel@tonic-gate int n = 0; 7797c478bd9Sstevel@tonic-gate #endif 7807c478bd9Sstevel@tonic-gate 7817c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7827c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7837c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7847c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7857c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7867c478bd9Sstevel@tonic-gate prev = sip->prev; 7877c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 788cee86682Scalum if (sip->oldstate) 789cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 790cee86682Scalum if (sip->dss_paths) 791cee86682Scalum kmem_free(sip->dss_paths, 792cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7937c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7947c478bd9Sstevel@tonic-gate #ifdef DEBUG 7957c478bd9Sstevel@tonic-gate n++; 7967c478bd9Sstevel@tonic-gate #endif 7977c478bd9Sstevel@tonic-gate } 7987c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /* 8027c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 8037c478bd9Sstevel@tonic-gate * Should be called with cp->dbe held. 8047c478bd9Sstevel@tonic-gate */ 8057c478bd9Sstevel@tonic-gate void 8067c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8077c478bd9Sstevel@tonic-gate { 8087c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 8097c478bd9Sstevel@tonic-gate 8107c478bd9Sstevel@tonic-gate /* 8117c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8127c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8137c478bd9Sstevel@tonic-gate */ 8147c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 8157c478bd9Sstevel@tonic-gate cp->server_instance = sip; 8167c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8177c478bd9Sstevel@tonic-gate } 8187c478bd9Sstevel@tonic-gate 8197c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8207c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8217c478bd9Sstevel@tonic-gate { 8227c478bd9Sstevel@tonic-gate ASSERT(rfs4_dbe_refcnt(cp->dbe) > 0); 8237c478bd9Sstevel@tonic-gate 8247c478bd9Sstevel@tonic-gate return (cp->server_instance); 8257c478bd9Sstevel@tonic-gate } 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8287c478bd9Sstevel@tonic-gate static void 8297c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8307c478bd9Sstevel@tonic-gate { 8317c478bd9Sstevel@tonic-gate } 8327c478bd9Sstevel@tonic-gate 8337c478bd9Sstevel@tonic-gate /* 8347c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8357c478bd9Sstevel@tonic-gate */ 8367c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8377c478bd9Sstevel@tonic-gate static void 8387c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8397c478bd9Sstevel@tonic-gate struct compound_state *cs) 8407c478bd9Sstevel@tonic-gate { 8417c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate 8447c478bd9Sstevel@tonic-gate /* 8457c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8467c478bd9Sstevel@tonic-gate */ 8477c478bd9Sstevel@tonic-gate bool_t 8487c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8497c478bd9Sstevel@tonic-gate { 8507c478bd9Sstevel@tonic-gate int i; 8517c478bd9Sstevel@tonic-gate 8527c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8537c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8547c478bd9Sstevel@tonic-gate return (TRUE); 8557c478bd9Sstevel@tonic-gate } 8567c478bd9Sstevel@tonic-gate return (FALSE); 8577c478bd9Sstevel@tonic-gate } 8587c478bd9Sstevel@tonic-gate 8597c478bd9Sstevel@tonic-gate /* 8607c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8617c478bd9Sstevel@tonic-gate * export structure associated with the component. 8627c478bd9Sstevel@tonic-gate */ 8637c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8647c478bd9Sstevel@tonic-gate static nfsstat4 8657c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8667c478bd9Sstevel@tonic-gate { 8677c478bd9Sstevel@tonic-gate int error, different_export = 0; 8687c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8697c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8707c478bd9Sstevel@tonic-gate fid_t fid; 8717c478bd9Sstevel@tonic-gate uint_t count, i; 8727c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8737c478bd9Sstevel@tonic-gate struct secinfo *secp; 8741b300de9Sjwahlig seconfig_t *si; 8757c478bd9Sstevel@tonic-gate bool_t did_traverse; 8767c478bd9Sstevel@tonic-gate int dotdot, walk; 8777c478bd9Sstevel@tonic-gate 8787c478bd9Sstevel@tonic-gate dvp = cs->vp; 8797c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8807c478bd9Sstevel@tonic-gate 8817c478bd9Sstevel@tonic-gate /* 8827c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8837c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8847c478bd9Sstevel@tonic-gate */ 8857c478bd9Sstevel@tonic-gate if (dotdot) { 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate /* 8887c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8897c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8907c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8917c478bd9Sstevel@tonic-gate */ 8927c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate /* 8957c478bd9Sstevel@tonic-gate * If at the system root, then can 8967c478bd9Sstevel@tonic-gate * go up no further. 8977c478bd9Sstevel@tonic-gate */ 8987c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 8997c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9007c478bd9Sstevel@tonic-gate 9017c478bd9Sstevel@tonic-gate /* 9027c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9037c478bd9Sstevel@tonic-gate */ 9047c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate /* 9077c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9087c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9097c478bd9Sstevel@tonic-gate * this new filesystem. 9107c478bd9Sstevel@tonic-gate */ 9117c478bd9Sstevel@tonic-gate different_export = 1; 9127c478bd9Sstevel@tonic-gate } else { 9137c478bd9Sstevel@tonic-gate 9147c478bd9Sstevel@tonic-gate /* 9157c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9167c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9177c478bd9Sstevel@tonic-gate */ 9187c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9197c478bd9Sstevel@tonic-gate } 9207c478bd9Sstevel@tonic-gate } 9217c478bd9Sstevel@tonic-gate 9227c478bd9Sstevel@tonic-gate /* 9237c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9247c478bd9Sstevel@tonic-gate */ 925da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 926da6c28aaSamw NULL, NULL, NULL); 9277c478bd9Sstevel@tonic-gate if (error) 9287c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9297c478bd9Sstevel@tonic-gate 9307c478bd9Sstevel@tonic-gate /* 9317c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9327c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9337c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9347c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9357c478bd9Sstevel@tonic-gate */ 9367c478bd9Sstevel@tonic-gate if (!different_export && 9377c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9387c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9397c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9407c478bd9Sstevel@tonic-gate VN_RELE(vp); 9417c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9427c478bd9Sstevel@tonic-gate } 9437c478bd9Sstevel@tonic-gate } 9447c478bd9Sstevel@tonic-gate 9457c478bd9Sstevel@tonic-gate /* 9467c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9477c478bd9Sstevel@tonic-gate */ 9487c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 9497c478bd9Sstevel@tonic-gate tvp = vp; 9507c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 9517c478bd9Sstevel@tonic-gate VN_RELE(vp); 9527c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9537c478bd9Sstevel@tonic-gate } 9547c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9557c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9567c478bd9Sstevel@tonic-gate vp = tvp; 9577c478bd9Sstevel@tonic-gate different_export = 1; 9587c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9597c478bd9Sstevel@tonic-gate /* 9607c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9617c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9627c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9637c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9647c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9657c478bd9Sstevel@tonic-gate * traverse) 9667c478bd9Sstevel@tonic-gate */ 9677c478bd9Sstevel@tonic-gate different_export = 1; 9687c478bd9Sstevel@tonic-gate did_traverse = FALSE; 9697c478bd9Sstevel@tonic-gate } 9707c478bd9Sstevel@tonic-gate 9717c478bd9Sstevel@tonic-gate /* 9727c478bd9Sstevel@tonic-gate * Get the export information for it. 9737c478bd9Sstevel@tonic-gate */ 9747c478bd9Sstevel@tonic-gate if (different_export) { 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9777c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9787c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9797c478bd9Sstevel@tonic-gate if (error) { 9807c478bd9Sstevel@tonic-gate VN_RELE(vp); 9817c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9827c478bd9Sstevel@tonic-gate } 9837c478bd9Sstevel@tonic-gate 9847c478bd9Sstevel@tonic-gate if (dotdot) 9857c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9867c478bd9Sstevel@tonic-gate else 9877c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9887c478bd9Sstevel@tonic-gate 9897c478bd9Sstevel@tonic-gate if (exi == NULL) { 9907c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9917c478bd9Sstevel@tonic-gate /* 9927c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9937c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9947c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9957c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9967c478bd9Sstevel@tonic-gate * vnode lives in. 9977c478bd9Sstevel@tonic-gate */ 9987c478bd9Sstevel@tonic-gate exi = cs->exi; 9997c478bd9Sstevel@tonic-gate } else { 10007c478bd9Sstevel@tonic-gate VN_RELE(vp); 10017c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10027c478bd9Sstevel@tonic-gate } 10037c478bd9Sstevel@tonic-gate } 10047c478bd9Sstevel@tonic-gate } else { 10057c478bd9Sstevel@tonic-gate exi = cs->exi; 10067c478bd9Sstevel@tonic-gate } 10077c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate /* 10117c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10127c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10137c478bd9Sstevel@tonic-gate * 10147c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10157c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10167c478bd9Sstevel@tonic-gate * has access with. 10177c478bd9Sstevel@tonic-gate */ 10187c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10197c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10207c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10217c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10227c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10251b300de9Sjwahlig si = &secp[i].s_secinfo; 10261b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10271b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 10281b300de9Sjwahlig rpcsec_gss_info *info; 10291b300de9Sjwahlig 10301b300de9Sjwahlig info = &resok_val[i].flavor_info; 10311b300de9Sjwahlig info->qop = si->sc_qop; 10321b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10331b300de9Sjwahlig 10341b300de9Sjwahlig /* get oid opaque data */ 10351b300de9Sjwahlig info->oid.sec_oid4_len = 10361b300de9Sjwahlig si->sc_gss_mech_type->length; 10371b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10381b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10391b300de9Sjwahlig bcopy( 10401b300de9Sjwahlig si->sc_gss_mech_type->elements, 10411b300de9Sjwahlig info->oid.sec_oid4_val, 10421b300de9Sjwahlig info->oid.sec_oid4_len); 10431b300de9Sjwahlig } 10447c478bd9Sstevel@tonic-gate } 10457c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10467c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10477c478bd9Sstevel@tonic-gate } else { 10487c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10497c478bd9Sstevel@tonic-gate int *flavor_list; 10507c478bd9Sstevel@tonic-gate 10517c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10527c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10537c478bd9Sstevel@tonic-gate 10547c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10557c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10567c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10577c478bd9Sstevel@tonic-gate int access, flavor, perm; 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10607c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10617c478bd9Sstevel@tonic-gate 10627c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10631b300de9Sjwahlig flavor, perm); 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10667c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10677c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10687c478bd9Sstevel@tonic-gate ret_cnt++; 10697c478bd9Sstevel@tonic-gate } 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate 10727c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10737c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10767c478bd9Sstevel@tonic-gate /* If the flavor is in the flavor list, fill in resok_val. */ 10771b300de9Sjwahlig si = &secp[i].s_secinfo; 10781b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10791b300de9Sjwahlig flavor_list, ret_cnt)) { 10801b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10811b300de9Sjwahlig if (resok_val[k].flavor == RPCSEC_GSS) { 10821b300de9Sjwahlig rpcsec_gss_info *info; 10831b300de9Sjwahlig 10841b300de9Sjwahlig info = &resok_val[k].flavor_info; 10851b300de9Sjwahlig info->qop = si->sc_qop; 10861b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10871b300de9Sjwahlig si->sc_service; 10881b300de9Sjwahlig 10891b300de9Sjwahlig /* get oid opaque data */ 10901b300de9Sjwahlig info->oid.sec_oid4_len = 10911b300de9Sjwahlig si->sc_gss_mech_type->length; 10921b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10931b300de9Sjwahlig si->sc_gss_mech_type->length, 10941b300de9Sjwahlig KM_SLEEP); 10951b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 10961b300de9Sjwahlig info->oid.sec_oid4_val, 10971b300de9Sjwahlig info->oid.sec_oid4_len); 10981b300de9Sjwahlig } 10991b300de9Sjwahlig k++; 11007c478bd9Sstevel@tonic-gate } 11011b300de9Sjwahlig 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 || 11491b300de9Sjwahlig utfnm->utf8string_val[0] != '.' || 11501b300de9Sjwahlig 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++) { 11931b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 11941b300de9Sjwahlig rpcsec_gss_info *info; 11957c478bd9Sstevel@tonic-gate 11961b300de9Sjwahlig info = &resok_val[i].flavor_info; 11971b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 11981b300de9Sjwahlig info->oid.sec_oid4_len); 11991b300de9Sjwahlig } 12007c478bd9Sstevel@tonic-gate } 12017c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12027c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12037c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12047c478bd9Sstevel@tonic-gate } 12057c478bd9Sstevel@tonic-gate 12067c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12077c478bd9Sstevel@tonic-gate static void 12087c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 12097c478bd9Sstevel@tonic-gate struct compound_state *cs) 12107c478bd9Sstevel@tonic-gate { 12117c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12127c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12137c478bd9Sstevel@tonic-gate int error; 12147c478bd9Sstevel@tonic-gate vnode_t *vp; 12157c478bd9Sstevel@tonic-gate struct vattr va; 12167c478bd9Sstevel@tonic-gate int checkwriteperm; 12177c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 121845916cd2Sjpk bslabel_t *clabel, *slabel; 121945916cd2Sjpk ts_label_t *tslabel; 122045916cd2Sjpk boolean_t admin_low_client; 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12237c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 12257c478bd9Sstevel@tonic-gate return; 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate #endif 12287c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 12307c478bd9Sstevel@tonic-gate return; 12317c478bd9Sstevel@tonic-gate } 12327c478bd9Sstevel@tonic-gate 12337c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12347c478bd9Sstevel@tonic-gate 12357c478bd9Sstevel@tonic-gate vp = cs->vp; 12367c478bd9Sstevel@tonic-gate 12377c478bd9Sstevel@tonic-gate /* 12387c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12397c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12407c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12417c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12427c478bd9Sstevel@tonic-gate */ 12437c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12441b300de9Sjwahlig (vp->v_type == VREG || vp->v_type == VDIR)) 12457c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12467c478bd9Sstevel@tonic-gate else 12477c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12487c478bd9Sstevel@tonic-gate 12497c478bd9Sstevel@tonic-gate /* 12507c478bd9Sstevel@tonic-gate * XXX 12517c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12527c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12537c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12547c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12557c478bd9Sstevel@tonic-gate */ 12567c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1257da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12587c478bd9Sstevel@tonic-gate if (error) { 12597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 12607c478bd9Sstevel@tonic-gate return; 12617c478bd9Sstevel@tonic-gate } 12627c478bd9Sstevel@tonic-gate resp->access = 0; 12637c478bd9Sstevel@tonic-gate resp->supported = 0; 12647c478bd9Sstevel@tonic-gate 126545916cd2Sjpk if (is_system_labeled()) { 126645916cd2Sjpk ASSERT(req->rq_label != NULL); 126745916cd2Sjpk clabel = req->rq_label; 126845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 126945916cd2Sjpk "got client label from request(1)", 127045916cd2Sjpk struct svc_req *, req); 127145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 127203986916Sjarrett if ((tslabel = nfs_getflabel(vp)) == NULL) { 127345916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 127445916cd2Sjpk return; 127545916cd2Sjpk } 127645916cd2Sjpk slabel = label2bslabel(tslabel); 127745916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 127845916cd2Sjpk char *, "got server label(1) for vp(2)", 127945916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 128045916cd2Sjpk 128145916cd2Sjpk admin_low_client = B_FALSE; 128245916cd2Sjpk } else 128345916cd2Sjpk admin_low_client = B_TRUE; 128445916cd2Sjpk } 128545916cd2Sjpk 12867c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1287da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 128845916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 128945916cd2Sjpk (!is_system_labeled() || admin_low_client || 129045916cd2Sjpk bldominates(clabel, slabel))) 12917c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 12927c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 12937c478bd9Sstevel@tonic-gate } 12947c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1295da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 129645916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 129745916cd2Sjpk bldominates(clabel, slabel))) 12987c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 12997c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13007c478bd9Sstevel@tonic-gate } 13017c478bd9Sstevel@tonic-gate if (checkwriteperm && 13027c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1303da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 130445916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 130545916cd2Sjpk (!is_system_labeled() || admin_low_client || 130645916cd2Sjpk blequal(clabel, slabel))) 13077c478bd9Sstevel@tonic-gate resp->access |= 13087c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND)); 13097c478bd9Sstevel@tonic-gate resp->supported |= (ACCESS4_MODIFY|ACCESS4_EXTEND); 13107c478bd9Sstevel@tonic-gate } 13117c478bd9Sstevel@tonic-gate 13127c478bd9Sstevel@tonic-gate if (checkwriteperm && 13137c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1314da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 131545916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 131645916cd2Sjpk blequal(clabel, slabel))) 13177c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13187c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13197c478bd9Sstevel@tonic-gate } 13207c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1321da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132245916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 132345916cd2Sjpk (!is_system_labeled() || admin_low_client || 132445916cd2Sjpk bldominates(clabel, slabel))) 13257c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13267c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13277c478bd9Sstevel@tonic-gate } 13287c478bd9Sstevel@tonic-gate 132945916cd2Sjpk if (is_system_labeled() && !admin_low_client) 133045916cd2Sjpk label_rele(tslabel); 133145916cd2Sjpk 13327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 13337c478bd9Sstevel@tonic-gate } 13347c478bd9Sstevel@tonic-gate 13357c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13367c478bd9Sstevel@tonic-gate static void 13377c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 13387c478bd9Sstevel@tonic-gate struct compound_state *cs) 13397c478bd9Sstevel@tonic-gate { 13407c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13417c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13427c478bd9Sstevel@tonic-gate int error; 13437c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13447c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13457c478bd9Sstevel@tonic-gate vattr_t va; 13467c478bd9Sstevel@tonic-gate 13477c478bd9Sstevel@tonic-gate if (vp == NULL) { 13487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 13497c478bd9Sstevel@tonic-gate return; 13507c478bd9Sstevel@tonic-gate } 13517c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 13537c478bd9Sstevel@tonic-gate return; 13547c478bd9Sstevel@tonic-gate } 13557c478bd9Sstevel@tonic-gate 13567c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 13587c478bd9Sstevel@tonic-gate return; 13597c478bd9Sstevel@tonic-gate } 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1362da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 13637c478bd9Sstevel@tonic-gate 13647c478bd9Sstevel@tonic-gate /* 13657c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 13667c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 13677c478bd9Sstevel@tonic-gate */ 13687c478bd9Sstevel@tonic-gate if (error) { 13697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 13707c478bd9Sstevel@tonic-gate return; 13717c478bd9Sstevel@tonic-gate } 13727c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 13737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 13747c478bd9Sstevel@tonic-gate return; 13757c478bd9Sstevel@tonic-gate } 13767c478bd9Sstevel@tonic-gate 13777c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 13787c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 13797c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 13807c478bd9Sstevel@tonic-gate else 13817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 13827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 13837c478bd9Sstevel@tonic-gate return; 13847c478bd9Sstevel@tonic-gate } 13857c478bd9Sstevel@tonic-gate 13867c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1387da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 13887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 13897c478bd9Sstevel@tonic-gate return; 13907c478bd9Sstevel@tonic-gate } 13917c478bd9Sstevel@tonic-gate 1392da6c28aaSamw error = VOP_PUTPAGE(vp, args->offset, args->count, 0, cr, NULL); 13937c478bd9Sstevel@tonic-gate if (!error) 1394da6c28aaSamw error = VOP_FSYNC(vp, FNODSYNC, cr, NULL); 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate if (error) { 13977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 13987c478bd9Sstevel@tonic-gate return; 13997c478bd9Sstevel@tonic-gate } 14007c478bd9Sstevel@tonic-gate 14017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14027c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 14037c478bd9Sstevel@tonic-gate } 14047c478bd9Sstevel@tonic-gate 14057c478bd9Sstevel@tonic-gate /* 14067c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14077c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14087c478bd9Sstevel@tonic-gate */ 14097c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14107c478bd9Sstevel@tonic-gate static vnode_t * 14117c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 14127c478bd9Sstevel@tonic-gate struct compound_state *cs, vattr_t *vap, char *nm) 14137c478bd9Sstevel@tonic-gate { 14147c478bd9Sstevel@tonic-gate int error; 14157c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14167c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14177c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14187c478bd9Sstevel@tonic-gate int mode; 14197c478bd9Sstevel@tonic-gate enum vcexcl excl; 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate switch (args->type) { 14227c478bd9Sstevel@tonic-gate case NF4CHR: 14237c478bd9Sstevel@tonic-gate case NF4BLK: 14247c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14267c478bd9Sstevel@tonic-gate return (NULL); 14277c478bd9Sstevel@tonic-gate } 14287c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14297c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14307c478bd9Sstevel@tonic-gate else 14317c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14327c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14331b300de9Sjwahlig args->ftype4_u.devdata.specdata2); 14347c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14357c478bd9Sstevel@tonic-gate break; 14367c478bd9Sstevel@tonic-gate case NF4SOCK: 14377c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14387c478bd9Sstevel@tonic-gate break; 14397c478bd9Sstevel@tonic-gate case NF4FIFO: 14407c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14417c478bd9Sstevel@tonic-gate break; 14427c478bd9Sstevel@tonic-gate default: 14437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14447c478bd9Sstevel@tonic-gate return (NULL); 14457c478bd9Sstevel@tonic-gate } 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate /* 14487c478bd9Sstevel@tonic-gate * Must specify the mode. 14497c478bd9Sstevel@tonic-gate */ 14507c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14527c478bd9Sstevel@tonic-gate return (NULL); 14537c478bd9Sstevel@tonic-gate } 14547c478bd9Sstevel@tonic-gate 14557c478bd9Sstevel@tonic-gate excl = EXCL; 14567c478bd9Sstevel@tonic-gate 14577c478bd9Sstevel@tonic-gate mode = 0; 14587c478bd9Sstevel@tonic-gate 1459da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 14607c478bd9Sstevel@tonic-gate if (error) { 14617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 14627c478bd9Sstevel@tonic-gate return (NULL); 14637c478bd9Sstevel@tonic-gate } 14647c478bd9Sstevel@tonic-gate return (vp); 14657c478bd9Sstevel@tonic-gate } 14667c478bd9Sstevel@tonic-gate 14677c478bd9Sstevel@tonic-gate /* 14687c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 14697c478bd9Sstevel@tonic-gate * use nfsv4 open. 14707c478bd9Sstevel@tonic-gate */ 14717c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14727c478bd9Sstevel@tonic-gate static void 14737c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 14747c478bd9Sstevel@tonic-gate struct compound_state *cs) 14757c478bd9Sstevel@tonic-gate { 14767c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 14777c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 14787c478bd9Sstevel@tonic-gate int error; 14797c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 14807c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14817c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14827c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14837c478bd9Sstevel@tonic-gate char *nm, *lnm; 14847c478bd9Sstevel@tonic-gate uint_t len, llen; 14857c478bd9Sstevel@tonic-gate int syncval = 0; 14867c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 14877c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 14887c478bd9Sstevel@tonic-gate struct statvfs64 sb; 14897c478bd9Sstevel@tonic-gate nfsstat4 status; 14907c478bd9Sstevel@tonic-gate 14917c478bd9Sstevel@tonic-gate resp->attrset = 0; 14927c478bd9Sstevel@tonic-gate 14937c478bd9Sstevel@tonic-gate if (dvp == NULL) { 14947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 14957c478bd9Sstevel@tonic-gate return; 14967c478bd9Sstevel@tonic-gate } 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate /* 14997c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15007c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15017c478bd9Sstevel@tonic-gate */ 15027c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 15047c478bd9Sstevel@tonic-gate return; 15057c478bd9Sstevel@tonic-gate } 15067c478bd9Sstevel@tonic-gate 15077c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15087c478bd9Sstevel@tonic-gate switch (args->type) { 15097c478bd9Sstevel@tonic-gate case NF4LNK: 15107c478bd9Sstevel@tonic-gate case NF4BLK: 15117c478bd9Sstevel@tonic-gate case NF4CHR: 15127c478bd9Sstevel@tonic-gate case NF4SOCK: 15137c478bd9Sstevel@tonic-gate case NF4FIFO: 15147c478bd9Sstevel@tonic-gate case NF4DIR: 15157c478bd9Sstevel@tonic-gate break; 15167c478bd9Sstevel@tonic-gate default: 15177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 15187c478bd9Sstevel@tonic-gate return; 15197c478bd9Sstevel@tonic-gate }; 15207c478bd9Sstevel@tonic-gate 15217c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 15237c478bd9Sstevel@tonic-gate return; 15247c478bd9Sstevel@tonic-gate } 15257c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 15277c478bd9Sstevel@tonic-gate return; 15287c478bd9Sstevel@tonic-gate } 15297c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 15317c478bd9Sstevel@tonic-gate return; 15327c478bd9Sstevel@tonic-gate } 15337c478bd9Sstevel@tonic-gate 15347c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 15367c478bd9Sstevel@tonic-gate return; 15377c478bd9Sstevel@tonic-gate } 15387c478bd9Sstevel@tonic-gate 15397c478bd9Sstevel@tonic-gate /* 15407c478bd9Sstevel@tonic-gate * Name of newly created object 15417c478bd9Sstevel@tonic-gate */ 15427c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15437c478bd9Sstevel@tonic-gate if (nm == NULL) { 15447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 15457c478bd9Sstevel@tonic-gate return; 15467c478bd9Sstevel@tonic-gate } 15477c478bd9Sstevel@tonic-gate 15487c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15507c478bd9Sstevel@tonic-gate kmem_free(nm, len); 15517c478bd9Sstevel@tonic-gate return; 15527c478bd9Sstevel@tonic-gate } 15537c478bd9Sstevel@tonic-gate 15547c478bd9Sstevel@tonic-gate resp->attrset = 0; 15557c478bd9Sstevel@tonic-gate 15567c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 15577c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 15587c478bd9Sstevel@tonic-gate 15597c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 15601b300de9Sjwahlig &args->createattrs, cs, &sarg, &ntov, NFS4ATTR_SETIT); 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 15637c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 15647c478bd9Sstevel@tonic-gate 15657c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 15667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 15677c478bd9Sstevel@tonic-gate kmem_free(nm, len); 15687c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 15697c478bd9Sstevel@tonic-gate resp->attrset = 0; 15707c478bd9Sstevel@tonic-gate return; 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate /* Get "before" change value */ 15747c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 1575da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cr, NULL); 15767c478bd9Sstevel@tonic-gate if (error) { 15777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 15787c478bd9Sstevel@tonic-gate kmem_free(nm, len); 15797c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 15807c478bd9Sstevel@tonic-gate resp->attrset = 0; 15817c478bd9Sstevel@tonic-gate return; 15827c478bd9Sstevel@tonic-gate } 15837c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 15847c478bd9Sstevel@tonic-gate 15857c478bd9Sstevel@tonic-gate vap = sarg.vap; 15867c478bd9Sstevel@tonic-gate 15877c478bd9Sstevel@tonic-gate /* 15887c478bd9Sstevel@tonic-gate * Set default initial values for attributes when not specified 15897c478bd9Sstevel@tonic-gate * in createattrs. 15907c478bd9Sstevel@tonic-gate */ 15917c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_UID) == 0) { 15927c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 15937c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 15947c478bd9Sstevel@tonic-gate } 15957c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_GID) == 0) { 15967c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 15977c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 15987c478bd9Sstevel@tonic-gate } 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16017c478bd9Sstevel@tonic-gate switch (args->type) { 16027c478bd9Sstevel@tonic-gate case NF4DIR: 16037c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16047c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16057c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16067c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16077c478bd9Sstevel@tonic-gate } 1608da6c28aaSamw error = VOP_MKDIR(dvp, nm, vap, &vp, cr, NULL, 0, NULL); 16097c478bd9Sstevel@tonic-gate if (error) 16107c478bd9Sstevel@tonic-gate break; 16117c478bd9Sstevel@tonic-gate 16127c478bd9Sstevel@tonic-gate /* 16137c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16147c478bd9Sstevel@tonic-gate * set to zero 16157c478bd9Sstevel@tonic-gate */ 16167c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1617da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16187c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16197c478bd9Sstevel@tonic-gate break; 16207c478bd9Sstevel@tonic-gate case NF4LNK: 16217c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16227c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16237c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16247c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16257c478bd9Sstevel@tonic-gate } 16267c478bd9Sstevel@tonic-gate 16277c478bd9Sstevel@tonic-gate /* 16287c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16297c478bd9Sstevel@tonic-gate */ 16307c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16317c478bd9Sstevel@tonic-gate 16327c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 16347c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16357c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16367c478bd9Sstevel@tonic-gate resp->attrset = 0; 16377c478bd9Sstevel@tonic-gate return; 16387c478bd9Sstevel@tonic-gate } 16397c478bd9Sstevel@tonic-gate 16407c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 16417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 16427c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16437c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 16447c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16457c478bd9Sstevel@tonic-gate resp->attrset = 0; 16467c478bd9Sstevel@tonic-gate return; 16477c478bd9Sstevel@tonic-gate } 16487c478bd9Sstevel@tonic-gate 1649da6c28aaSamw error = VOP_SYMLINK(dvp, nm, vap, lnm, cr, NULL, 0); 16507c478bd9Sstevel@tonic-gate if (lnm != NULL) 16517c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 16527c478bd9Sstevel@tonic-gate if (error) 16537c478bd9Sstevel@tonic-gate break; 16547c478bd9Sstevel@tonic-gate 16557c478bd9Sstevel@tonic-gate /* 16567c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16577c478bd9Sstevel@tonic-gate * set to zero 16587c478bd9Sstevel@tonic-gate */ 16597c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1660da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16617c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16627c478bd9Sstevel@tonic-gate 1663da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, 1664da6c28aaSamw NULL, NULL, NULL); 16657c478bd9Sstevel@tonic-gate if (error) 16667c478bd9Sstevel@tonic-gate break; 16677c478bd9Sstevel@tonic-gate 16687c478bd9Sstevel@tonic-gate /* 16697c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 16707c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 16717c478bd9Sstevel@tonic-gate */ 16727c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 1673da6c28aaSamw if (VOP_GETATTR(dvp, &iva2, 0, cs->cr, NULL) || 16741b300de9Sjwahlig iva2.va_seq != iva.va_seq) 16757c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16767c478bd9Sstevel@tonic-gate break; 16777c478bd9Sstevel@tonic-gate default: 16787c478bd9Sstevel@tonic-gate /* 16797c478bd9Sstevel@tonic-gate * probably a special file. 16807c478bd9Sstevel@tonic-gate */ 16817c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16827c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 16837c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 16867c478bd9Sstevel@tonic-gate /* 16877c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 16887c478bd9Sstevel@tonic-gate */ 16897c478bd9Sstevel@tonic-gate vp = do_rfs4_op_mknod(args, resp, req, cs, vap, nm); 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate if (vp == NULL) { 16927c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16937c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16947c478bd9Sstevel@tonic-gate resp->attrset = 0; 16957c478bd9Sstevel@tonic-gate return; 16967c478bd9Sstevel@tonic-gate } 16977c478bd9Sstevel@tonic-gate 16987c478bd9Sstevel@tonic-gate /* 16997c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17007c478bd9Sstevel@tonic-gate * set to zero 17017c478bd9Sstevel@tonic-gate */ 17027c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1703da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17047c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17057c478bd9Sstevel@tonic-gate 17067c478bd9Sstevel@tonic-gate break; 17077c478bd9Sstevel@tonic-gate } 17087c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17097c478bd9Sstevel@tonic-gate 17107c478bd9Sstevel@tonic-gate if (error) { 17117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17127c478bd9Sstevel@tonic-gate } 17137c478bd9Sstevel@tonic-gate 17147c478bd9Sstevel@tonic-gate /* 17157c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 17167c478bd9Sstevel@tonic-gate */ 1717da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cr, NULL); 17187c478bd9Sstevel@tonic-gate 17197c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 17207c478bd9Sstevel@tonic-gate if (vp != NULL) 17217c478bd9Sstevel@tonic-gate VN_RELE(vp); 17227c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17237c478bd9Sstevel@tonic-gate resp->attrset = 0; 17247c478bd9Sstevel@tonic-gate return; 17257c478bd9Sstevel@tonic-gate } 17267c478bd9Sstevel@tonic-gate 17277c478bd9Sstevel@tonic-gate /* 17287c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 17297c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 17307c478bd9Sstevel@tonic-gate * before value. 17317c478bd9Sstevel@tonic-gate */ 17327c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 1733da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cr, NULL)) { 17347c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 17357c478bd9Sstevel@tonic-gate ava.va_seq = 0; 17367c478bd9Sstevel@tonic-gate } 17377c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 17387c478bd9Sstevel@tonic-gate 17397c478bd9Sstevel@tonic-gate /* 17407c478bd9Sstevel@tonic-gate * True verification that object was created with correct 17417c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 17427c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 17437c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 17447c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 17457c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 17467c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 17477c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 17487c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 17497c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 17507c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 17517c478bd9Sstevel@tonic-gate * 17527c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 17537c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 17547c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 17557c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 17567c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 17577c478bd9Sstevel@tonic-gate */ 17587c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 17597c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 17607c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17617c478bd9Sstevel@tonic-gate 17627c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 17637c478bd9Sstevel@tonic-gate if (error) { 17647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17657c478bd9Sstevel@tonic-gate } 17667c478bd9Sstevel@tonic-gate 17677c478bd9Sstevel@tonic-gate /* 17687c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 17697c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 17707c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 17717c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 17727c478bd9Sstevel@tonic-gate */ 17737c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 17741b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 17757c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 17767c478bd9Sstevel@tonic-gate else 17777c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 17787c478bd9Sstevel@tonic-gate 1779da6c28aaSamw (void) VOP_FSYNC(vp, syncval, cr, NULL); 17807c478bd9Sstevel@tonic-gate 17817c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 17827c478bd9Sstevel@tonic-gate VN_RELE(vp); 17837c478bd9Sstevel@tonic-gate return; 17847c478bd9Sstevel@tonic-gate } 17857c478bd9Sstevel@tonic-gate if (cs->vp) 17867c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate cs->vp = vp; 17897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 17907c478bd9Sstevel@tonic-gate } 17917c478bd9Sstevel@tonic-gate 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 17947c478bd9Sstevel@tonic-gate static void 17957c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 17967c478bd9Sstevel@tonic-gate struct compound_state *cs) 17977c478bd9Sstevel@tonic-gate { 17987c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 17997c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 18007c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 18017c478bd9Sstevel@tonic-gate nfsstat4 status; 18027c478bd9Sstevel@tonic-gate 18037c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 18047c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 18057c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 18067c478bd9Sstevel@tonic-gate return; 18077c478bd9Sstevel@tonic-gate 18087c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 18097c478bd9Sstevel@tonic-gate if (cs->vp != dsp->finfo->vp) { 18107c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 18117c478bd9Sstevel@tonic-gate } else 18127c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 18137c478bd9Sstevel@tonic-gate 18147c478bd9Sstevel@tonic-gate rfs4_update_lease(dsp->client); 18157c478bd9Sstevel@tonic-gate 18167c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 18177c478bd9Sstevel@tonic-gate } 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate /* 18207c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 18217c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 18227c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 18237c478bd9Sstevel@tonic-gate * 18247c478bd9Sstevel@tonic-gate * e.g. 18257c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 18267c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 18277c478bd9Sstevel@tonic-gate * 18287c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 18297c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 18307c478bd9Sstevel@tonic-gate * server namespace setup. 18317c478bd9Sstevel@tonic-gate */ 18327c478bd9Sstevel@tonic-gate int 18337c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 18347c478bd9Sstevel@tonic-gate { 18357c478bd9Sstevel@tonic-gate int i; 18367c478bd9Sstevel@tonic-gate struct secinfo *sp; 18377c478bd9Sstevel@tonic-gate 18387c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 18397c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 18407c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 18417c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 18427c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 18437c478bd9Sstevel@tonic-gate } 18447c478bd9Sstevel@tonic-gate } 18457c478bd9Sstevel@tonic-gate 18467c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 18477c478bd9Sstevel@tonic-gate return (0); 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate /* 18517c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 18527c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 18537c478bd9Sstevel@tonic-gate * 18547c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 18557c478bd9Sstevel@tonic-gate * 18567c478bd9Sstevel@tonic-gate */ 18577c478bd9Sstevel@tonic-gate static int 18587c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 18597c478bd9Sstevel@tonic-gate { 18607c478bd9Sstevel@tonic-gate int i; 18617c478bd9Sstevel@tonic-gate struct secinfo *sp; 18627c478bd9Sstevel@tonic-gate 18637c478bd9Sstevel@tonic-gate /* 18647c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 18657c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 18667c478bd9Sstevel@tonic-gate */ 18677c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 18687c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 18697c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 18707c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 18717c478bd9Sstevel@tonic-gate return (1); 18727c478bd9Sstevel@tonic-gate } 18737c478bd9Sstevel@tonic-gate 18747c478bd9Sstevel@tonic-gate return (0); 18757c478bd9Sstevel@tonic-gate } 18767c478bd9Sstevel@tonic-gate 18777c478bd9Sstevel@tonic-gate /* 18787c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 18797c478bd9Sstevel@tonic-gate */ 18807c478bd9Sstevel@tonic-gate nfsstat4 18817c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 18827c478bd9Sstevel@tonic-gate { 18837c478bd9Sstevel@tonic-gate int authres; 18847c478bd9Sstevel@tonic-gate 18857c478bd9Sstevel@tonic-gate /* 18867c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 18877c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 18887c478bd9Sstevel@tonic-gate */ 18897c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 18907c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 18917c478bd9Sstevel@tonic-gate return (*cs->statusp); 18927c478bd9Sstevel@tonic-gate } 18937c478bd9Sstevel@tonic-gate 18947c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 18957c478bd9Sstevel@tonic-gate 18967c478bd9Sstevel@tonic-gate if (authres > 0) { 18977c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 18987c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 18997c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 19007c478bd9Sstevel@tonic-gate } else if (authres == 0) { 19017c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 19027c478bd9Sstevel@tonic-gate } else if (authres == -2) { 19037c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 19047c478bd9Sstevel@tonic-gate } else { 19057c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 19067c478bd9Sstevel@tonic-gate } 19077c478bd9Sstevel@tonic-gate return (*cs->statusp); 19087c478bd9Sstevel@tonic-gate } 19097c478bd9Sstevel@tonic-gate 19107c478bd9Sstevel@tonic-gate /* 19117c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 19127c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 19137c478bd9Sstevel@tonic-gate * based on the input bitmap. 19147c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 19157c478bd9Sstevel@tonic-gate */ 19167c478bd9Sstevel@tonic-gate static nfsstat4 19177c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 19187c478bd9Sstevel@tonic-gate { 19197c478bd9Sstevel@tonic-gate int i; 19207c478bd9Sstevel@tonic-gate uint_t va_mask; 19217c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 19227c478bd9Sstevel@tonic-gate 19237c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 19247c478bd9Sstevel@tonic-gate sargp->flag = 0; 19257c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 19267c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 19277c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 19287c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 19291b300de9Sjwahlig FH4_ATTRDIR | FH4_NAMEDATTR); 19307c478bd9Sstevel@tonic-gate else 19317c478bd9Sstevel@tonic-gate sargp->xattr = 0; 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate /* 19347c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 19357c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 19367c478bd9Sstevel@tonic-gate */ 19377c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 19387c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 19397c478bd9Sstevel@tonic-gate else 19407c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 19417c478bd9Sstevel@tonic-gate 19427c478bd9Sstevel@tonic-gate /* 19437c478bd9Sstevel@tonic-gate * generate the va_mask 19447c478bd9Sstevel@tonic-gate * Handle the easy cases first 19457c478bd9Sstevel@tonic-gate */ 19467c478bd9Sstevel@tonic-gate switch (breq) { 19477c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 19487c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 19497c478bd9Sstevel@tonic-gate return (NFS4_OK); 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 19527c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 19537c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 19547c478bd9Sstevel@tonic-gate return (NFS4_OK); 19557c478bd9Sstevel@tonic-gate 19567c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 19577c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 19587c478bd9Sstevel@tonic-gate return (NFS4_OK); 19597c478bd9Sstevel@tonic-gate 19607c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 19617c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 19627c478bd9Sstevel@tonic-gate return (NFS4_OK); 19637c478bd9Sstevel@tonic-gate 19647c478bd9Sstevel@tonic-gate default: 19657c478bd9Sstevel@tonic-gate va_mask = 0; 19667c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 19677c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 19681b300de9Sjwahlig nfs4_ntov_map[i].vbit) 19697c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 19707c478bd9Sstevel@tonic-gate } 19717c478bd9Sstevel@tonic-gate 19727c478bd9Sstevel@tonic-gate /* 19737c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 19747c478bd9Sstevel@tonic-gate */ 19757c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 19767c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 19777c478bd9Sstevel@tonic-gate 19787c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 19797c478bd9Sstevel@tonic-gate return (NFS4_OK); 19807c478bd9Sstevel@tonic-gate } 19817c478bd9Sstevel@tonic-gate /* NOTREACHED */ 19827c478bd9Sstevel@tonic-gate } 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate /* 19857c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 19867c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 19877c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 19887c478bd9Sstevel@tonic-gate */ 19897c478bd9Sstevel@tonic-gate static nfsstat4 19907c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 19917c478bd9Sstevel@tonic-gate { 19927c478bd9Sstevel@tonic-gate int error; 19937c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 19947c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 19957c478bd9Sstevel@tonic-gate 19967c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 19977c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 19987c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 19997c478bd9Sstevel@tonic-gate return (puterrno4(error)); 20007c478bd9Sstevel@tonic-gate } 20017c478bd9Sstevel@tonic-gate } 20027c478bd9Sstevel@tonic-gate 20037c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 20047c478bd9Sstevel@tonic-gate } 20057c478bd9Sstevel@tonic-gate 20067c478bd9Sstevel@tonic-gate static void 20077c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 20087c478bd9Sstevel@tonic-gate { 20097c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 20101b300de9Sjwahlig KM_SLEEP); 20117c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 20127c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 20137c478bd9Sstevel@tonic-gate } 20147c478bd9Sstevel@tonic-gate 20157c478bd9Sstevel@tonic-gate static void 20167c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 20177c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 20187c478bd9Sstevel@tonic-gate { 20197c478bd9Sstevel@tonic-gate int i; 20207c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 20217c478bd9Sstevel@tonic-gate uint8_t *amap; 20227c478bd9Sstevel@tonic-gate 20237c478bd9Sstevel@tonic-gate /* 20247c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 20257c478bd9Sstevel@tonic-gate */ 20267c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 20271b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 20287c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 20291b300de9Sjwahlig NFS4ATTR_FREEIT, sargp, na); 20307c478bd9Sstevel@tonic-gate } 20317c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 20327c478bd9Sstevel@tonic-gate /* 20337c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 20347c478bd9Sstevel@tonic-gate */ 20357c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 20361b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 20377c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 20387c478bd9Sstevel@tonic-gate } 20397c478bd9Sstevel@tonic-gate } 20407c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 20417c478bd9Sstevel@tonic-gate } 20427c478bd9Sstevel@tonic-gate 20437c478bd9Sstevel@tonic-gate /* 20447c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 20457c478bd9Sstevel@tonic-gate */ 20467c478bd9Sstevel@tonic-gate static nfsstat4 20477c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 20487c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 20497c478bd9Sstevel@tonic-gate { 20507c478bd9Sstevel@tonic-gate int error = 0; 20517c478bd9Sstevel@tonic-gate int i, k; 20527c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 20537c478bd9Sstevel@tonic-gate XDR xdr; 20547c478bd9Sstevel@tonic-gate ulong_t xdr_size; 20557c478bd9Sstevel@tonic-gate char *xdr_attrs; 20567c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 20577c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 20587c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 20597c478bd9Sstevel@tonic-gate uint8_t *amap; 20607c478bd9Sstevel@tonic-gate 20617c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 20627c478bd9Sstevel@tonic-gate sargp->flag = 0; 20637c478bd9Sstevel@tonic-gate 20647c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 20657c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 20667c478bd9Sstevel@tonic-gate if (breq == 0) { 20677c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 20687c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 20697c478bd9Sstevel@tonic-gate return (NFS4_OK); 20707c478bd9Sstevel@tonic-gate } 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate /* 20737c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 20747c478bd9Sstevel@tonic-gate */ 20757c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 20767c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 20777c478bd9Sstevel@tonic-gate 20787c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 20797c478bd9Sstevel@tonic-gate na = ntov.na; 20807c478bd9Sstevel@tonic-gate amap = ntov.amap; 20817c478bd9Sstevel@tonic-gate 20827c478bd9Sstevel@tonic-gate /* 20837c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 20847c478bd9Sstevel@tonic-gate */ 20857c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 20867c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 20877c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 20881b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 20897c478bd9Sstevel@tonic-gate 20907c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 20911b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate /* 20947c478bd9Sstevel@tonic-gate * Possible error values: 20957c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 20967c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 20977c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 20987c478bd9Sstevel@tonic-gate * attribute cannot be returned. 20997c478bd9Sstevel@tonic-gate */ 21007c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 21017c478bd9Sstevel@tonic-gate goto done; 21027c478bd9Sstevel@tonic-gate /* 21037c478bd9Sstevel@tonic-gate * If error then just for entry 21047c478bd9Sstevel@tonic-gate */ 21057c478bd9Sstevel@tonic-gate if (error == 0) { 21067c478bd9Sstevel@tonic-gate fattrp->attrmask |= 21071b300de9Sjwahlig nfs4_ntov_map[i].fbit; 21087c478bd9Sstevel@tonic-gate *amap++ = 21091b300de9Sjwahlig (uint8_t)nfs4_ntov_map[i].nval; 21107c478bd9Sstevel@tonic-gate na++; 21117c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 21127c478bd9Sstevel@tonic-gate } else if ((error > 0) && 21131b300de9Sjwahlig (sargp->rdattr_error == NFS4_OK)) { 21147c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 21157c478bd9Sstevel@tonic-gate } 21167c478bd9Sstevel@tonic-gate error = 0; 21177c478bd9Sstevel@tonic-gate } 21187c478bd9Sstevel@tonic-gate } 21197c478bd9Sstevel@tonic-gate } 21207c478bd9Sstevel@tonic-gate 21217c478bd9Sstevel@tonic-gate /* 21227c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 21237c478bd9Sstevel@tonic-gate * update it. 21247c478bd9Sstevel@tonic-gate */ 21257c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 21267c478bd9Sstevel@tonic-gate na = ntov.na; 21277c478bd9Sstevel@tonic-gate amap = ntov.amap; 21287c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 21297c478bd9Sstevel@tonic-gate k = *amap; 21307c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 21317c478bd9Sstevel@tonic-gate continue; 21327c478bd9Sstevel@tonic-gate } 21337c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 21347c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 21351b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 21367c478bd9Sstevel@tonic-gate 21377c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 21381b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 21397c478bd9Sstevel@tonic-gate } 21407c478bd9Sstevel@tonic-gate break; 21417c478bd9Sstevel@tonic-gate } 21427c478bd9Sstevel@tonic-gate } 21437c478bd9Sstevel@tonic-gate 21447c478bd9Sstevel@tonic-gate xdr_size = 0; 21457c478bd9Sstevel@tonic-gate na = ntov.na; 21467c478bd9Sstevel@tonic-gate amap = ntov.amap; 21477c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 21487c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 21497c478bd9Sstevel@tonic-gate } 21507c478bd9Sstevel@tonic-gate 21517c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 21527c478bd9Sstevel@tonic-gate if (xdr_size) { 21537c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 21547c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 21557c478bd9Sstevel@tonic-gate 21567c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 21577c478bd9Sstevel@tonic-gate 21587c478bd9Sstevel@tonic-gate na = ntov.na; 21597c478bd9Sstevel@tonic-gate amap = ntov.amap; 21607c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 21617c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 21627c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "do_rfs4_op_getattr: xdr " 21631b300de9Sjwahlig "encode of attribute %d failed\n", *amap); 21647c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 21657c478bd9Sstevel@tonic-gate break; 21667c478bd9Sstevel@tonic-gate } 21677c478bd9Sstevel@tonic-gate } 21687c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 21697c478bd9Sstevel@tonic-gate } else { 21707c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21717c478bd9Sstevel@tonic-gate } 21727c478bd9Sstevel@tonic-gate done: 21737c478bd9Sstevel@tonic-gate 21747c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 21757c478bd9Sstevel@tonic-gate 21767c478bd9Sstevel@tonic-gate if (error != 0) 21777c478bd9Sstevel@tonic-gate status = puterrno4(error); 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate return (status); 21807c478bd9Sstevel@tonic-gate } 21817c478bd9Sstevel@tonic-gate 21827c478bd9Sstevel@tonic-gate /* ARGSUSED */ 21837c478bd9Sstevel@tonic-gate static void 21847c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 21857c478bd9Sstevel@tonic-gate struct compound_state *cs) 21867c478bd9Sstevel@tonic-gate { 21877c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 21887c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 21897c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 21907c478bd9Sstevel@tonic-gate struct statvfs64 sb; 21917c478bd9Sstevel@tonic-gate nfsstat4 status; 21927c478bd9Sstevel@tonic-gate 21937c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 21947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 21957c478bd9Sstevel@tonic-gate return; 21967c478bd9Sstevel@tonic-gate } 21977c478bd9Sstevel@tonic-gate 21987c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 21997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 22007c478bd9Sstevel@tonic-gate return; 22017c478bd9Sstevel@tonic-gate } 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 22047c478bd9Sstevel@tonic-gate sarg.cs = cs; 22057c478bd9Sstevel@tonic-gate 22067c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 22077c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 22087c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 22097c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 22107c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 22111b300de9Sjwahlig &resp->obj_attributes, &sarg); 22127c478bd9Sstevel@tonic-gate } 22137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 22147c478bd9Sstevel@tonic-gate } 22157c478bd9Sstevel@tonic-gate 22167c478bd9Sstevel@tonic-gate static void 22177c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 22187c478bd9Sstevel@tonic-gate { 22197c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 22207c478bd9Sstevel@tonic-gate 22217c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 22227c478bd9Sstevel@tonic-gate } 22237c478bd9Sstevel@tonic-gate 22247c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22257c478bd9Sstevel@tonic-gate static void 22267c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 22277c478bd9Sstevel@tonic-gate struct compound_state *cs) 22287c478bd9Sstevel@tonic-gate { 22297c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 22307c478bd9Sstevel@tonic-gate 22317c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 22327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 22337c478bd9Sstevel@tonic-gate return; 22347c478bd9Sstevel@tonic-gate } 22357c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 22367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 22377c478bd9Sstevel@tonic-gate return; 22387c478bd9Sstevel@tonic-gate } 22397c478bd9Sstevel@tonic-gate 22407c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 22411b300de9Sjwahlig kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 22427c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 22437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 22447c478bd9Sstevel@tonic-gate } 22457c478bd9Sstevel@tonic-gate 22467c478bd9Sstevel@tonic-gate static void 22477c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 22487c478bd9Sstevel@tonic-gate { 22497c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 22507c478bd9Sstevel@tonic-gate 22517c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 22527c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 22537c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 22547c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 22557c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 22567c478bd9Sstevel@tonic-gate } 22577c478bd9Sstevel@tonic-gate } 22587c478bd9Sstevel@tonic-gate 22597c478bd9Sstevel@tonic-gate /* 22607c478bd9Sstevel@tonic-gate * illegal: args: void 22617c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 22627c478bd9Sstevel@tonic-gate */ 22637c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22647c478bd9Sstevel@tonic-gate static void 22657c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 22667c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 22677c478bd9Sstevel@tonic-gate { 22687c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 22697c478bd9Sstevel@tonic-gate 22707c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 22717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 22727c478bd9Sstevel@tonic-gate } 22737c478bd9Sstevel@tonic-gate 22747c478bd9Sstevel@tonic-gate /* 22757c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 22767c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 22777c478bd9Sstevel@tonic-gate */ 22787c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22797c478bd9Sstevel@tonic-gate static void 22807c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 22817c478bd9Sstevel@tonic-gate struct compound_state *cs) 22827c478bd9Sstevel@tonic-gate { 22837c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 22847c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 22857c478bd9Sstevel@tonic-gate int error; 22867c478bd9Sstevel@tonic-gate vnode_t *vp; 22877c478bd9Sstevel@tonic-gate vnode_t *dvp; 22887c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 22897c478bd9Sstevel@tonic-gate char *nm; 22907c478bd9Sstevel@tonic-gate uint_t len; 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 22937c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 22947c478bd9Sstevel@tonic-gate if (vp == NULL) { 22957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 22967c478bd9Sstevel@tonic-gate return; 22977c478bd9Sstevel@tonic-gate } 22987c478bd9Sstevel@tonic-gate 22997c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 23007c478bd9Sstevel@tonic-gate dvp = cs->vp; 23017c478bd9Sstevel@tonic-gate if (dvp == NULL) { 23027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 23037c478bd9Sstevel@tonic-gate return; 23047c478bd9Sstevel@tonic-gate } 23057c478bd9Sstevel@tonic-gate 23067c478bd9Sstevel@tonic-gate /* 23077c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 23087c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 23097c478bd9Sstevel@tonic-gate */ 23107c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 23117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 23127c478bd9Sstevel@tonic-gate return; 23137c478bd9Sstevel@tonic-gate } 23147c478bd9Sstevel@tonic-gate 23157c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 23177c478bd9Sstevel@tonic-gate return; 23187c478bd9Sstevel@tonic-gate } 23197c478bd9Sstevel@tonic-gate 23207c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 23217c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 23227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 23237c478bd9Sstevel@tonic-gate return; 23247c478bd9Sstevel@tonic-gate } 23257c478bd9Sstevel@tonic-gate 23267c478bd9Sstevel@tonic-gate /* Check target directory's type */ 23277c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 23287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 23297c478bd9Sstevel@tonic-gate return; 23307c478bd9Sstevel@tonic-gate } 23317c478bd9Sstevel@tonic-gate 23327c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 23337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 23347c478bd9Sstevel@tonic-gate return; 23357c478bd9Sstevel@tonic-gate } 23367c478bd9Sstevel@tonic-gate 23377c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 23387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 23397c478bd9Sstevel@tonic-gate return; 23407c478bd9Sstevel@tonic-gate } 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 23437c478bd9Sstevel@tonic-gate if (nm == NULL) { 23447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 23457c478bd9Sstevel@tonic-gate return; 23467c478bd9Sstevel@tonic-gate } 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 23497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 23507c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23517c478bd9Sstevel@tonic-gate return; 23527c478bd9Sstevel@tonic-gate } 23537c478bd9Sstevel@tonic-gate 23547c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 23557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 23567c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23577c478bd9Sstevel@tonic-gate return; 23587c478bd9Sstevel@tonic-gate } 23597c478bd9Sstevel@tonic-gate 23607c478bd9Sstevel@tonic-gate /* Get "before" change value */ 23617c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2362da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 23637c478bd9Sstevel@tonic-gate if (error) { 23647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 23657c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23667c478bd9Sstevel@tonic-gate return; 23677c478bd9Sstevel@tonic-gate } 23687c478bd9Sstevel@tonic-gate 23697c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 23707c478bd9Sstevel@tonic-gate 2371da6c28aaSamw error = VOP_LINK(dvp, vp, nm, cs->cr, NULL, 0); 23727c478bd9Sstevel@tonic-gate 23737c478bd9Sstevel@tonic-gate kmem_free(nm, len); 23747c478bd9Sstevel@tonic-gate 23757c478bd9Sstevel@tonic-gate /* 23767c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 23777c478bd9Sstevel@tonic-gate */ 23787c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2379da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 23807c478bd9Sstevel@tonic-gate idva.va_seq = 0; 23817c478bd9Sstevel@tonic-gate 23827c478bd9Sstevel@tonic-gate /* 23837c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 23847c478bd9Sstevel@tonic-gate */ 2385da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2386da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 23877c478bd9Sstevel@tonic-gate 23887c478bd9Sstevel@tonic-gate if (error) { 23897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 23907c478bd9Sstevel@tonic-gate return; 23917c478bd9Sstevel@tonic-gate } 23927c478bd9Sstevel@tonic-gate 23937c478bd9Sstevel@tonic-gate /* 23947c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 23957c478bd9Sstevel@tonic-gate * before value. 23967c478bd9Sstevel@tonic-gate */ 23977c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2398da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 23997c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 24007c478bd9Sstevel@tonic-gate adva.va_seq = 0; 24017c478bd9Sstevel@tonic-gate } 24027c478bd9Sstevel@tonic-gate 24037c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 24047c478bd9Sstevel@tonic-gate 24057c478bd9Sstevel@tonic-gate /* 24067c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 24077c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 24087c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 24097c478bd9Sstevel@tonic-gate */ 24107c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 24111b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 24127c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 24137c478bd9Sstevel@tonic-gate else 24147c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 24157c478bd9Sstevel@tonic-gate 24167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 24177c478bd9Sstevel@tonic-gate } 24187c478bd9Sstevel@tonic-gate 24197c478bd9Sstevel@tonic-gate /* 24207c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 24217c478bd9Sstevel@tonic-gate */ 24227c478bd9Sstevel@tonic-gate 24237c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24247c478bd9Sstevel@tonic-gate static nfsstat4 24257c478bd9Sstevel@tonic-gate do_rfs4_op_lookup(char *nm, uint_t buflen, struct svc_req *req, 24267c478bd9Sstevel@tonic-gate struct compound_state *cs) 24277c478bd9Sstevel@tonic-gate { 24287c478bd9Sstevel@tonic-gate int error; 24297c478bd9Sstevel@tonic-gate int different_export = 0; 24307c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 24317c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 24327c478bd9Sstevel@tonic-gate nfsstat4 stat; 24337c478bd9Sstevel@tonic-gate fid_t fid; 24347c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 24357c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 24367c478bd9Sstevel@tonic-gate 24377c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 24387c478bd9Sstevel@tonic-gate attrdir = 1; 24397c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 24407c478bd9Sstevel@tonic-gate } else { 24417c478bd9Sstevel@tonic-gate attrdir = 0; 24427c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 24437c478bd9Sstevel@tonic-gate } 24447c478bd9Sstevel@tonic-gate 24457c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 24467c478bd9Sstevel@tonic-gate 24477c478bd9Sstevel@tonic-gate /* 24487c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 24497c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 24507c478bd9Sstevel@tonic-gate * export point. 24517c478bd9Sstevel@tonic-gate */ 24527c478bd9Sstevel@tonic-gate if (dotdot) { 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate /* 24557c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 24567c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 24577c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 24587c478bd9Sstevel@tonic-gate */ 24597c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 24607c478bd9Sstevel@tonic-gate 24617c478bd9Sstevel@tonic-gate /* 24627c478bd9Sstevel@tonic-gate * If at the system root, then can 24637c478bd9Sstevel@tonic-gate * go up no further. 24647c478bd9Sstevel@tonic-gate */ 24657c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 24667c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 24677c478bd9Sstevel@tonic-gate 24687c478bd9Sstevel@tonic-gate /* 24697c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 24707c478bd9Sstevel@tonic-gate */ 24717c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate /* 24747c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 24757c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 24767c478bd9Sstevel@tonic-gate * this new filesystem. 24777c478bd9Sstevel@tonic-gate */ 24787c478bd9Sstevel@tonic-gate different_export = 1; 24797c478bd9Sstevel@tonic-gate } else { 24807c478bd9Sstevel@tonic-gate 24817c478bd9Sstevel@tonic-gate /* 24827c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 24837c478bd9Sstevel@tonic-gate * the different_export to get new export info. 24847c478bd9Sstevel@tonic-gate */ 24857c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 24867c478bd9Sstevel@tonic-gate } 24877c478bd9Sstevel@tonic-gate } 24887c478bd9Sstevel@tonic-gate 2489da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2490da6c28aaSamw NULL, NULL, NULL); 24917c478bd9Sstevel@tonic-gate if (error) 24927c478bd9Sstevel@tonic-gate return (puterrno4(error)); 24937c478bd9Sstevel@tonic-gate 24947c478bd9Sstevel@tonic-gate /* 24957c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 24967c478bd9Sstevel@tonic-gate * 24977c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 24987c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 24997c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 25007c478bd9Sstevel@tonic-gate * from V2/V3. 25017c478bd9Sstevel@tonic-gate * 25027c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 25037c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 25047c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 25057c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 25067c478bd9Sstevel@tonic-gate */ 25077c478bd9Sstevel@tonic-gate if (!different_export && 25087c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 25097c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 25107c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 25117c478bd9Sstevel@tonic-gate VN_RELE(vp); 25127c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 25137c478bd9Sstevel@tonic-gate } 25147c478bd9Sstevel@tonic-gate } 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate /* 25177c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 25187c478bd9Sstevel@tonic-gate */ 25197c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 25207c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 25217c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 25227c478bd9Sstevel@tonic-gate 25237c478bd9Sstevel@tonic-gate /* 25247c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 25257c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 25267c478bd9Sstevel@tonic-gate */ 25277c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 25287c478bd9Sstevel@tonic-gate tvp = vp; 25297c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 25307c478bd9Sstevel@tonic-gate VN_RELE(vp); 25317c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 25327c478bd9Sstevel@tonic-gate return (puterrno4(error)); 25337c478bd9Sstevel@tonic-gate } 25347c478bd9Sstevel@tonic-gate vp = tvp; 25357c478bd9Sstevel@tonic-gate different_export = 1; 25367c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 25377c478bd9Sstevel@tonic-gate /* 25387c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 25397c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 25407c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 25417c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 25427c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 25437c478bd9Sstevel@tonic-gate * vfs ptrs. 25447c478bd9Sstevel@tonic-gate */ 25457c478bd9Sstevel@tonic-gate different_export = 1; 25467c478bd9Sstevel@tonic-gate } 25477c478bd9Sstevel@tonic-gate 25487c478bd9Sstevel@tonic-gate if (different_export) { 25497c478bd9Sstevel@tonic-gate 25507c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 25517c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 25527c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 25537c478bd9Sstevel@tonic-gate if (error) { 25547c478bd9Sstevel@tonic-gate VN_RELE(vp); 25557c478bd9Sstevel@tonic-gate if (pre_tvp) 25567c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 25577c478bd9Sstevel@tonic-gate return (puterrno4(error)); 25587c478bd9Sstevel@tonic-gate } 25597c478bd9Sstevel@tonic-gate 25607c478bd9Sstevel@tonic-gate if (dotdot) 25617c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 25627c478bd9Sstevel@tonic-gate else 25637c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 25647c478bd9Sstevel@tonic-gate 25657c478bd9Sstevel@tonic-gate if (exi == NULL) { 25667c478bd9Sstevel@tonic-gate if (pre_tvp) { 25677c478bd9Sstevel@tonic-gate /* 25687c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 25697c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 25707c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 25717c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 25727c478bd9Sstevel@tonic-gate * the mounted-on file system. 25737c478bd9Sstevel@tonic-gate */ 25747c478bd9Sstevel@tonic-gate VN_RELE(vp); 25757c478bd9Sstevel@tonic-gate vp = pre_tvp; 25767c478bd9Sstevel@tonic-gate exi = pre_exi; 25777c478bd9Sstevel@tonic-gate } else { 25787c478bd9Sstevel@tonic-gate VN_RELE(vp); 25797c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 25807c478bd9Sstevel@tonic-gate } 25817c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 25827c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 25837c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 25847c478bd9Sstevel@tonic-gate } 25857c478bd9Sstevel@tonic-gate 25867c478bd9Sstevel@tonic-gate cs->exi = exi; 25877c478bd9Sstevel@tonic-gate 25887c478bd9Sstevel@tonic-gate /* 25897c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 25907c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 25917c478bd9Sstevel@tonic-gate * exported file system, and if he does, 25927c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 25937c478bd9Sstevel@tonic-gate * 25947c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 25957c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 25967c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 25977c478bd9Sstevel@tonic-gate * checkauth4() 25987c478bd9Sstevel@tonic-gate */ 25997c478bd9Sstevel@tonic-gate crfree(cs->cr); 26007c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 26017c478bd9Sstevel@tonic-gate 26027c478bd9Sstevel@tonic-gate if (cs->vp) 26037c478bd9Sstevel@tonic-gate oldvp = cs->vp; 26047c478bd9Sstevel@tonic-gate cs->vp = vp; 26057c478bd9Sstevel@tonic-gate is_newvp = TRUE; 26067c478bd9Sstevel@tonic-gate 26077c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 26087c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 26097c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 26107c478bd9Sstevel@tonic-gate cs->vp = oldvp; 26117c478bd9Sstevel@tonic-gate return (stat); 26127c478bd9Sstevel@tonic-gate } 26137c478bd9Sstevel@tonic-gate } 26147c478bd9Sstevel@tonic-gate 261545916cd2Sjpk /* 261645916cd2Sjpk * After various NFS checks, do a label check on the path 261745916cd2Sjpk * component. The label on this path should either be the 261845916cd2Sjpk * global zone's label or a zone's label. We are only 261945916cd2Sjpk * interested in the zone's label because exported files 262045916cd2Sjpk * in global zone is accessible (though read-only) to 262145916cd2Sjpk * clients. The exportability/visibility check is already 262245916cd2Sjpk * done before reaching this code. 262345916cd2Sjpk */ 262445916cd2Sjpk if (is_system_labeled()) { 262545916cd2Sjpk bslabel_t *clabel; 262645916cd2Sjpk 262745916cd2Sjpk ASSERT(req->rq_label != NULL); 262845916cd2Sjpk clabel = req->rq_label; 262945916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 263045916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 263145916cd2Sjpk 263245916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 263303986916Sjarrett if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK)) { 263445916cd2Sjpk error = EACCES; 263545916cd2Sjpk goto err_out; 263645916cd2Sjpk } 263745916cd2Sjpk } else { 263845916cd2Sjpk /* 263945916cd2Sjpk * We grant access to admin_low label clients 264045916cd2Sjpk * only if the client is trusted, i.e. also 264145916cd2Sjpk * running Solaris Trusted Extension. 264245916cd2Sjpk */ 264345916cd2Sjpk struct sockaddr *ca; 264445916cd2Sjpk int addr_type; 264545916cd2Sjpk void *ipaddr; 264645916cd2Sjpk tsol_tpc_t *tp; 264745916cd2Sjpk 264845916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 264945916cd2Sjpk req->rq_xprt)->buf; 265045916cd2Sjpk if (ca->sa_family == AF_INET) { 265145916cd2Sjpk addr_type = IPV4_VERSION; 265245916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 265345916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 265445916cd2Sjpk addr_type = IPV6_VERSION; 265545916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 265645916cd2Sjpk ca)->sin6_addr; 265745916cd2Sjpk } 265845916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 265945916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 266045916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 266145916cd2Sjpk SUN_CIPSO) { 266203986916Sjarrett if (tp != NULL) 266303986916Sjarrett TPC_RELE(tp); 266445916cd2Sjpk error = EACCES; 266545916cd2Sjpk goto err_out; 266645916cd2Sjpk } 266703986916Sjarrett TPC_RELE(tp); 266845916cd2Sjpk } 266945916cd2Sjpk } 267045916cd2Sjpk 26717c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 26727c478bd9Sstevel@tonic-gate 267345916cd2Sjpk err_out: 26747c478bd9Sstevel@tonic-gate if (error) { 26757c478bd9Sstevel@tonic-gate if (is_newvp) { 26767c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 26777c478bd9Sstevel@tonic-gate cs->vp = oldvp; 26787c478bd9Sstevel@tonic-gate } else 26797c478bd9Sstevel@tonic-gate VN_RELE(vp); 26807c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26817c478bd9Sstevel@tonic-gate } 26827c478bd9Sstevel@tonic-gate 26837c478bd9Sstevel@tonic-gate if (!is_newvp) { 26847c478bd9Sstevel@tonic-gate if (cs->vp) 26857c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 26867c478bd9Sstevel@tonic-gate cs->vp = vp; 26877c478bd9Sstevel@tonic-gate } else if (oldvp) 26887c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 26897c478bd9Sstevel@tonic-gate 26907c478bd9Sstevel@tonic-gate /* 26917c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 26927c478bd9Sstevel@tonic-gate * attr fh flag 26937c478bd9Sstevel@tonic-gate */ 26947c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 26957c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 26967c478bd9Sstevel@tonic-gate 26977c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 26987c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 26997c478bd9Sstevel@tonic-gate 27007c478bd9Sstevel@tonic-gate return (NFS4_OK); 27017c478bd9Sstevel@tonic-gate } 27027c478bd9Sstevel@tonic-gate 27037c478bd9Sstevel@tonic-gate /* ARGSUSED */ 27047c478bd9Sstevel@tonic-gate static void 27057c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 27067c478bd9Sstevel@tonic-gate struct compound_state *cs) 27077c478bd9Sstevel@tonic-gate { 27087c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 27097c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 27107c478bd9Sstevel@tonic-gate char *nm; 27117c478bd9Sstevel@tonic-gate uint_t len; 27127c478bd9Sstevel@tonic-gate 27137c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 27147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 27157c478bd9Sstevel@tonic-gate return; 27167c478bd9Sstevel@tonic-gate } 27177c478bd9Sstevel@tonic-gate 27187c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 27197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 27207c478bd9Sstevel@tonic-gate return; 27217c478bd9Sstevel@tonic-gate } 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 27247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 27257c478bd9Sstevel@tonic-gate return; 27267c478bd9Sstevel@tonic-gate } 27277c478bd9Sstevel@tonic-gate 27287c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 27297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 27307c478bd9Sstevel@tonic-gate return; 27317c478bd9Sstevel@tonic-gate } 27327c478bd9Sstevel@tonic-gate 27337c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 27347c478bd9Sstevel@tonic-gate if (nm == NULL) { 27357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 27367c478bd9Sstevel@tonic-gate return; 27377c478bd9Sstevel@tonic-gate } 27387c478bd9Sstevel@tonic-gate 27397c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 27407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 27417c478bd9Sstevel@tonic-gate kmem_free(nm, len); 27427c478bd9Sstevel@tonic-gate return; 27437c478bd9Sstevel@tonic-gate } 27447c478bd9Sstevel@tonic-gate 27457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup(nm, len, req, cs); 27467c478bd9Sstevel@tonic-gate 27477c478bd9Sstevel@tonic-gate kmem_free(nm, len); 27487c478bd9Sstevel@tonic-gate } 27497c478bd9Sstevel@tonic-gate 27507c478bd9Sstevel@tonic-gate /* ARGSUSED */ 27517c478bd9Sstevel@tonic-gate static void 27527c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 27537c478bd9Sstevel@tonic-gate struct compound_state *cs) 27547c478bd9Sstevel@tonic-gate { 27557c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 27567c478bd9Sstevel@tonic-gate 27577c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 27587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 27597c478bd9Sstevel@tonic-gate return; 27607c478bd9Sstevel@tonic-gate } 27617c478bd9Sstevel@tonic-gate 27627c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 27637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 27647c478bd9Sstevel@tonic-gate return; 27657c478bd9Sstevel@tonic-gate } 27667c478bd9Sstevel@tonic-gate 27677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup("..", 3, req, cs); 27687c478bd9Sstevel@tonic-gate 27697c478bd9Sstevel@tonic-gate /* 27707c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 27717c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 27727c478bd9Sstevel@tonic-gate */ 27737c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 27747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 27757c478bd9Sstevel@tonic-gate } 27767c478bd9Sstevel@tonic-gate } 27777c478bd9Sstevel@tonic-gate 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 27807c478bd9Sstevel@tonic-gate static void 27817c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 27827c478bd9Sstevel@tonic-gate struct compound_state *cs) 27837c478bd9Sstevel@tonic-gate { 27847c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 27857c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 27867c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 27877c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 27887c478bd9Sstevel@tonic-gate int exp_ro = 0; 27897c478bd9Sstevel@tonic-gate 27907c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 27917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 27927c478bd9Sstevel@tonic-gate return; 27937c478bd9Sstevel@tonic-gate } 27947c478bd9Sstevel@tonic-gate 27957c478bd9Sstevel@tonic-gate /* 27967c478bd9Sstevel@tonic-gate * Make a couple of checks made by copen() 27977c478bd9Sstevel@tonic-gate * 27987c478bd9Sstevel@tonic-gate * Check to make sure underlying fs supports xattrs. This 27997c478bd9Sstevel@tonic-gate * is required because solaris filesystem implementations 28007c478bd9Sstevel@tonic-gate * (UFS/TMPFS) don't enforce the noxattr mount option 28017c478bd9Sstevel@tonic-gate * in VOP_LOOKUP(LOOKUP_XATTR). If fs doesn't support this 28027c478bd9Sstevel@tonic-gate * pathconf cmd or if fs supports cmd but doesn't claim 28037c478bd9Sstevel@tonic-gate * support for xattr, return NOTSUPP. It would be better 28047c478bd9Sstevel@tonic-gate * to use VOP_PATHCONF( _PC_XATTR_ENABLED) for this; however, 28057c478bd9Sstevel@tonic-gate * that cmd is not available to VOP_PATHCONF interface 28067c478bd9Sstevel@tonic-gate * (it's only implemented inside pathconf syscall)... 28077c478bd9Sstevel@tonic-gate * 28087c478bd9Sstevel@tonic-gate * Verify permission to put attributes on files (access 28097c478bd9Sstevel@tonic-gate * checks from copen). 28107c478bd9Sstevel@tonic-gate */ 28117c478bd9Sstevel@tonic-gate 2812da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 2813da6c28aaSamw !vfs_has_feature(cs->vp->v_vfsp, VFSFT_XVATTR)) { 28147c478bd9Sstevel@tonic-gate error = ENOTSUP; 28157c478bd9Sstevel@tonic-gate goto error_out; 28167c478bd9Sstevel@tonic-gate } 28177c478bd9Sstevel@tonic-gate 2818da6c28aaSamw if ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 2819da6c28aaSamw (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 2820da6c28aaSamw (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)) { 28217c478bd9Sstevel@tonic-gate error = EACCES; 28227c478bd9Sstevel@tonic-gate goto error_out; 28237c478bd9Sstevel@tonic-gate } 28247c478bd9Sstevel@tonic-gate 28257c478bd9Sstevel@tonic-gate /* 28267c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 28277c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 28287c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 28297c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 28307c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 28317c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 28327c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 28337c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 28347c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 28357c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 28367c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 28377c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 28387c478bd9Sstevel@tonic-gate */ 28397c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 28407c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 28417c478bd9Sstevel@tonic-gate 2842da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 2843da6c28aaSamw NULL, NULL, NULL); 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate if (error) { 28467c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 28477c478bd9Sstevel@tonic-gate error = EROFS; 28487c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 28497c478bd9Sstevel@tonic-gate error = ENOTSUP; 28507c478bd9Sstevel@tonic-gate goto error_out; 28517c478bd9Sstevel@tonic-gate } 28527c478bd9Sstevel@tonic-gate 28537c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 28547c478bd9Sstevel@tonic-gate 28557c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 28567c478bd9Sstevel@tonic-gate 28577c478bd9Sstevel@tonic-gate if (error) { 28587c478bd9Sstevel@tonic-gate VN_RELE(avp); 28597c478bd9Sstevel@tonic-gate goto error_out; 28607c478bd9Sstevel@tonic-gate } 28617c478bd9Sstevel@tonic-gate 28627c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28637c478bd9Sstevel@tonic-gate cs->vp = avp; 28647c478bd9Sstevel@tonic-gate 28657c478bd9Sstevel@tonic-gate /* 28667c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 28677c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 28687c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 28697c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 28707c478bd9Sstevel@tonic-gate */ 28717c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 28727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 28737c478bd9Sstevel@tonic-gate return; 28747c478bd9Sstevel@tonic-gate 28757c478bd9Sstevel@tonic-gate error_out: 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 28787c478bd9Sstevel@tonic-gate } 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate static int 2881da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 2882da6c28aaSamw caller_context_t *ct) 28837c478bd9Sstevel@tonic-gate { 28847c478bd9Sstevel@tonic-gate int error; 28857c478bd9Sstevel@tonic-gate int i; 28867c478bd9Sstevel@tonic-gate clock_t delaytime; 28877c478bd9Sstevel@tonic-gate 28887c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 28897c478bd9Sstevel@tonic-gate 28907c478bd9Sstevel@tonic-gate /* 28917c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 28927c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 28937c478bd9Sstevel@tonic-gate */ 28947c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 28957c478bd9Sstevel@tonic-gate 28967c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 28977c478bd9Sstevel@tonic-gate 28987c478bd9Sstevel@tonic-gate 28997c478bd9Sstevel@tonic-gate if (direction == FREAD) { 2900da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 2901da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 2902da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 29037c478bd9Sstevel@tonic-gate } else { 2904da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 2905da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 2906da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 29077c478bd9Sstevel@tonic-gate } 29087c478bd9Sstevel@tonic-gate 29097c478bd9Sstevel@tonic-gate if (error != EAGAIN) 29107c478bd9Sstevel@tonic-gate break; 29117c478bd9Sstevel@tonic-gate 29127c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 29137c478bd9Sstevel@tonic-gate delay(delaytime); 29147c478bd9Sstevel@tonic-gate delaytime *= 2; 29157c478bd9Sstevel@tonic-gate } 29167c478bd9Sstevel@tonic-gate } 29177c478bd9Sstevel@tonic-gate 29187c478bd9Sstevel@tonic-gate return (error); 29197c478bd9Sstevel@tonic-gate } 29207c478bd9Sstevel@tonic-gate 29217c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29227c478bd9Sstevel@tonic-gate static void 29237c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 29247c478bd9Sstevel@tonic-gate struct compound_state *cs) 29257c478bd9Sstevel@tonic-gate { 29267c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 29277c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 29287c478bd9Sstevel@tonic-gate int error; 29297c478bd9Sstevel@tonic-gate int verror; 29307c478bd9Sstevel@tonic-gate vnode_t *vp; 29317c478bd9Sstevel@tonic-gate struct vattr va; 29327c478bd9Sstevel@tonic-gate struct iovec iov; 29337c478bd9Sstevel@tonic-gate struct uio uio; 29347c478bd9Sstevel@tonic-gate u_offset_t offset; 29357c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 29367c478bd9Sstevel@tonic-gate nfsstat4 stat; 29377c478bd9Sstevel@tonic-gate int in_crit = 0; 29387c478bd9Sstevel@tonic-gate mblk_t *mp; 29397c478bd9Sstevel@tonic-gate int alloc_err = 0; 2940da6c28aaSamw caller_context_t ct; 29417c478bd9Sstevel@tonic-gate 29427c478bd9Sstevel@tonic-gate vp = cs->vp; 29437c478bd9Sstevel@tonic-gate if (vp == NULL) { 29447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 29457c478bd9Sstevel@tonic-gate return; 29467c478bd9Sstevel@tonic-gate } 29477c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 29487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 29497c478bd9Sstevel@tonic-gate return; 29507c478bd9Sstevel@tonic-gate } 29517c478bd9Sstevel@tonic-gate 2952da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 2953da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 2954da6c28aaSamw *cs->statusp = resp->status = stat; 2955da6c28aaSamw goto out; 2956da6c28aaSamw } 2957da6c28aaSamw 29587c478bd9Sstevel@tonic-gate /* 29597c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 29607c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 29617c478bd9Sstevel@tonic-gate */ 29627c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 29637c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 29647c478bd9Sstevel@tonic-gate in_crit = 1; 2965da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 2966da6c28aaSamw &ct)) { 29677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 29687c478bd9Sstevel@tonic-gate goto out; 29697c478bd9Sstevel@tonic-gate } 29707c478bd9Sstevel@tonic-gate } 29717c478bd9Sstevel@tonic-gate 29727c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 2973da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 29747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 29757c478bd9Sstevel@tonic-gate goto out; 29767c478bd9Sstevel@tonic-gate } 29777c478bd9Sstevel@tonic-gate 29787c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 2979da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 29807c478bd9Sstevel@tonic-gate 29817c478bd9Sstevel@tonic-gate /* 29827c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 29837c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 29847c478bd9Sstevel@tonic-gate */ 29857c478bd9Sstevel@tonic-gate if (verror) { 29867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 29877c478bd9Sstevel@tonic-gate goto out; 29887c478bd9Sstevel@tonic-gate } 29897c478bd9Sstevel@tonic-gate 29907c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 29917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 29921b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 29937c478bd9Sstevel@tonic-gate goto out; 29947c478bd9Sstevel@tonic-gate } 29957c478bd9Sstevel@tonic-gate 29967c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 2997da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 2998da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 29997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 30007c478bd9Sstevel@tonic-gate goto out; 30017c478bd9Sstevel@tonic-gate } 30027c478bd9Sstevel@tonic-gate 30037c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 30047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 30057c478bd9Sstevel@tonic-gate goto out; 30067c478bd9Sstevel@tonic-gate } 30077c478bd9Sstevel@tonic-gate 30087c478bd9Sstevel@tonic-gate offset = args->offset; 30097c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 30107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30117c478bd9Sstevel@tonic-gate resp->eof = TRUE; 30127c478bd9Sstevel@tonic-gate resp->data_len = 0; 30137c478bd9Sstevel@tonic-gate resp->data_val = NULL; 30147c478bd9Sstevel@tonic-gate resp->mblk = NULL; 30157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30167c478bd9Sstevel@tonic-gate goto out; 30177c478bd9Sstevel@tonic-gate } 30187c478bd9Sstevel@tonic-gate 30197c478bd9Sstevel@tonic-gate if (args->count == 0) { 30207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30217c478bd9Sstevel@tonic-gate resp->eof = FALSE; 30227c478bd9Sstevel@tonic-gate resp->data_len = 0; 30237c478bd9Sstevel@tonic-gate resp->data_val = NULL; 30247c478bd9Sstevel@tonic-gate resp->mblk = NULL; 30257c478bd9Sstevel@tonic-gate goto out; 30267c478bd9Sstevel@tonic-gate } 30277c478bd9Sstevel@tonic-gate 30287c478bd9Sstevel@tonic-gate /* 30297c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 30307c478bd9Sstevel@tonic-gate * transfer size 30317c478bd9Sstevel@tonic-gate */ 30327c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 30337c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 30347c478bd9Sstevel@tonic-gate 30357c478bd9Sstevel@tonic-gate /* 30367c478bd9Sstevel@tonic-gate * mp will contain the data to be sent out in the read reply. 30377c478bd9Sstevel@tonic-gate * It will be freed after the reply has been sent. 30387c478bd9Sstevel@tonic-gate * Let's roundup the data to a BYTES_PER_XDR_UNIT multiple, 30397c478bd9Sstevel@tonic-gate * so that the call to xdrmblk_putmblk() never fails. 30407c478bd9Sstevel@tonic-gate * If the first alloc of the requested size fails, then 30417c478bd9Sstevel@tonic-gate * decrease the size to something more reasonable and wait 30427c478bd9Sstevel@tonic-gate * for the allocation to occur. 30437c478bd9Sstevel@tonic-gate */ 30447c478bd9Sstevel@tonic-gate mp = allocb(RNDUP(args->count), BPRI_MED); 30457c478bd9Sstevel@tonic-gate if (mp == NULL) { 30467c478bd9Sstevel@tonic-gate if (args->count > MAXBSIZE) 30477c478bd9Sstevel@tonic-gate args->count = MAXBSIZE; 30487c478bd9Sstevel@tonic-gate mp = allocb_wait(RNDUP(args->count), BPRI_MED, 30491b300de9Sjwahlig STR_NOSIG, &alloc_err); 30507c478bd9Sstevel@tonic-gate } 30517c478bd9Sstevel@tonic-gate ASSERT(mp != NULL); 30527c478bd9Sstevel@tonic-gate ASSERT(alloc_err == 0); 30537c478bd9Sstevel@tonic-gate 30547c478bd9Sstevel@tonic-gate iov.iov_base = (caddr_t)mp->b_datap->db_base; 30557c478bd9Sstevel@tonic-gate iov.iov_len = args->count; 30567c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 30577c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 30587c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 30597c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 30607c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 30617c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 30627c478bd9Sstevel@tonic-gate 3063da6c28aaSamw error = do_io(FREAD, vp, &uio, 0, cs->cr, &ct); 30647c478bd9Sstevel@tonic-gate 30657c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3066da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate if (error) { 30697c478bd9Sstevel@tonic-gate freeb(mp); 30707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 30717c478bd9Sstevel@tonic-gate goto out; 30727c478bd9Sstevel@tonic-gate } 30737c478bd9Sstevel@tonic-gate 30747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30757c478bd9Sstevel@tonic-gate 30767c478bd9Sstevel@tonic-gate ASSERT(uio.uio_resid >= 0); 30777c478bd9Sstevel@tonic-gate resp->data_len = args->count - uio.uio_resid; 30787c478bd9Sstevel@tonic-gate resp->data_val = (char *)mp->b_datap->db_base; 30797c478bd9Sstevel@tonic-gate resp->mblk = mp; 30807c478bd9Sstevel@tonic-gate 30817c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 30827c478bd9Sstevel@tonic-gate resp->eof = TRUE; 30837c478bd9Sstevel@tonic-gate else 30847c478bd9Sstevel@tonic-gate resp->eof = FALSE; 30857c478bd9Sstevel@tonic-gate 30867c478bd9Sstevel@tonic-gate out: 30877c478bd9Sstevel@tonic-gate if (in_crit) 30887c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 30897c478bd9Sstevel@tonic-gate } 30907c478bd9Sstevel@tonic-gate 30917c478bd9Sstevel@tonic-gate static void 30927c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 30937c478bd9Sstevel@tonic-gate { 30947c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 30957c478bd9Sstevel@tonic-gate 30967c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 30977c478bd9Sstevel@tonic-gate freeb(resp->mblk); 30987c478bd9Sstevel@tonic-gate resp->mblk = NULL; 30997c478bd9Sstevel@tonic-gate resp->data_val = NULL; 31007c478bd9Sstevel@tonic-gate resp->data_len = 0; 31017c478bd9Sstevel@tonic-gate } 31027c478bd9Sstevel@tonic-gate } 31037c478bd9Sstevel@tonic-gate 31047c478bd9Sstevel@tonic-gate static void 31057c478bd9Sstevel@tonic-gate rfs4_op_readdir_free(nfs_resop4 *resop) 31067c478bd9Sstevel@tonic-gate { 31077c478bd9Sstevel@tonic-gate READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 31087c478bd9Sstevel@tonic-gate 31097c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 31107c478bd9Sstevel@tonic-gate freeb(resp->mblk); 31117c478bd9Sstevel@tonic-gate resp->mblk = NULL; 31127c478bd9Sstevel@tonic-gate resp->data_len = 0; 31137c478bd9Sstevel@tonic-gate } 31147c478bd9Sstevel@tonic-gate } 31157c478bd9Sstevel@tonic-gate 31167c478bd9Sstevel@tonic-gate 31177c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31187c478bd9Sstevel@tonic-gate static void 31197c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 31207c478bd9Sstevel@tonic-gate struct compound_state *cs) 31217c478bd9Sstevel@tonic-gate { 31227c478bd9Sstevel@tonic-gate PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 31237c478bd9Sstevel@tonic-gate int error; 31247c478bd9Sstevel@tonic-gate vnode_t *vp; 31257c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 31267c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 31277c478bd9Sstevel@tonic-gate 31287c478bd9Sstevel@tonic-gate if (cs->vp) { 31297c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 31307c478bd9Sstevel@tonic-gate cs->vp = NULL; 31317c478bd9Sstevel@tonic-gate } 31327c478bd9Sstevel@tonic-gate 31337c478bd9Sstevel@tonic-gate if (cs->cr) 31347c478bd9Sstevel@tonic-gate crfree(cs->cr); 31357c478bd9Sstevel@tonic-gate 31367c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 31377c478bd9Sstevel@tonic-gate 31387c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 31397c478bd9Sstevel@tonic-gate if (vp == NULL) { 31407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 31417c478bd9Sstevel@tonic-gate return; 31427c478bd9Sstevel@tonic-gate } 31437c478bd9Sstevel@tonic-gate 314403986916Sjarrett if (is_system_labeled()) { 314503986916Sjarrett bslabel_t *clabel; 314603986916Sjarrett 314703986916Sjarrett ASSERT(req->rq_label != NULL); 314803986916Sjarrett clabel = req->rq_label; 314903986916Sjarrett DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 315003986916Sjarrett "got client label from request(1)", 315103986916Sjarrett struct svc_req *, req); 315203986916Sjarrett if (!blequal(&l_admin_low->tsl_label, clabel)) { 315303986916Sjarrett if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK)) { 315403986916Sjarrett *cs->statusp = resp->status = 315503986916Sjarrett NFS4ERR_SERVERFAULT; 315603986916Sjarrett return; 315703986916Sjarrett } 315803986916Sjarrett } 315903986916Sjarrett } 316003986916Sjarrett 31617c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 31627c478bd9Sstevel@tonic-gate if (error != 0) { 31637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 31647c478bd9Sstevel@tonic-gate return; 31657c478bd9Sstevel@tonic-gate } 31667c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 31677c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 31687c478bd9Sstevel@tonic-gate /* 31697c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 31707c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 31717c478bd9Sstevel@tonic-gate * is exported. 31727c478bd9Sstevel@tonic-gate */ 31737c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 31747c478bd9Sstevel@tonic-gate 31757c478bd9Sstevel@tonic-gate /* 31767c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 31777c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 31787c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 31797c478bd9Sstevel@tonic-gate */ 31807c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 31811b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 31827c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 31837c478bd9Sstevel@tonic-gate } else { 31847c478bd9Sstevel@tonic-gate /* 31857c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 31867c478bd9Sstevel@tonic-gate */ 31877c478bd9Sstevel@tonic-gate cs->exi = exi_public; 31887c478bd9Sstevel@tonic-gate } 31897c478bd9Sstevel@tonic-gate 31907c478bd9Sstevel@tonic-gate VN_HOLD(vp); 31917c478bd9Sstevel@tonic-gate cs->vp = vp; 31927c478bd9Sstevel@tonic-gate 31937c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 31947c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 31957c478bd9Sstevel@tonic-gate cs->vp = NULL; 31967c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 31977c478bd9Sstevel@tonic-gate return; 31987c478bd9Sstevel@tonic-gate } 31997c478bd9Sstevel@tonic-gate 32007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32017c478bd9Sstevel@tonic-gate } 32027c478bd9Sstevel@tonic-gate 32037c478bd9Sstevel@tonic-gate /* 32047c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 32057c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 32067c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 32077c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 32087c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 32097c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 32107c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 32117c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 32127c478bd9Sstevel@tonic-gate * know what the anonymous user is. 32137c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 32147c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 32157c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 32167c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 32177c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 32187c478bd9Sstevel@tonic-gate */ 32197c478bd9Sstevel@tonic-gate /* ARGSUSED */ 32207c478bd9Sstevel@tonic-gate static void 32217c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 32227c478bd9Sstevel@tonic-gate struct compound_state *cs) 32237c478bd9Sstevel@tonic-gate { 32247c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 32257c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 32267c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 32277c478bd9Sstevel@tonic-gate 32287c478bd9Sstevel@tonic-gate if (cs->vp) { 32297c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 32307c478bd9Sstevel@tonic-gate cs->vp = NULL; 32317c478bd9Sstevel@tonic-gate } 32327c478bd9Sstevel@tonic-gate 32337c478bd9Sstevel@tonic-gate if (cs->cr) { 32347c478bd9Sstevel@tonic-gate crfree(cs->cr); 32357c478bd9Sstevel@tonic-gate cs->cr = NULL; 32367c478bd9Sstevel@tonic-gate } 32377c478bd9Sstevel@tonic-gate 32387c478bd9Sstevel@tonic-gate 32397c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 32407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 32417c478bd9Sstevel@tonic-gate return; 32427c478bd9Sstevel@tonic-gate } 32437c478bd9Sstevel@tonic-gate 32447c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 32457c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 32461b300de9Sjwahlig NULL); 32477c478bd9Sstevel@tonic-gate 32487c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 32497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 32507c478bd9Sstevel@tonic-gate return; 32517c478bd9Sstevel@tonic-gate } 32527c478bd9Sstevel@tonic-gate 32537c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 32547c478bd9Sstevel@tonic-gate 32557c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 32567c478bd9Sstevel@tonic-gate 32577c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 32587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 32597c478bd9Sstevel@tonic-gate return; 32607c478bd9Sstevel@tonic-gate } 32617c478bd9Sstevel@tonic-gate 32627c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 32637c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 32647c478bd9Sstevel@tonic-gate cs->vp = NULL; 32657c478bd9Sstevel@tonic-gate return; 32667c478bd9Sstevel@tonic-gate } 32677c478bd9Sstevel@tonic-gate 32687c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 32697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32707c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 32717c478bd9Sstevel@tonic-gate } 32727c478bd9Sstevel@tonic-gate 32737c478bd9Sstevel@tonic-gate /* ARGSUSED */ 32747c478bd9Sstevel@tonic-gate static void 32757c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 32767c478bd9Sstevel@tonic-gate struct compound_state *cs) 32777c478bd9Sstevel@tonic-gate 32787c478bd9Sstevel@tonic-gate { 32797c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 32807c478bd9Sstevel@tonic-gate int error; 32817c478bd9Sstevel@tonic-gate fid_t fid; 32827c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 32837c478bd9Sstevel@tonic-gate 32847c478bd9Sstevel@tonic-gate if (cs->vp) { 32857c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 32867c478bd9Sstevel@tonic-gate cs->vp = NULL; 32877c478bd9Sstevel@tonic-gate } 32887c478bd9Sstevel@tonic-gate 32897c478bd9Sstevel@tonic-gate if (cs->cr) 32907c478bd9Sstevel@tonic-gate crfree(cs->cr); 32917c478bd9Sstevel@tonic-gate 32927c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 32937c478bd9Sstevel@tonic-gate 32947c478bd9Sstevel@tonic-gate /* 32957c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 32967c478bd9Sstevel@tonic-gate * get its fid. 32977c478bd9Sstevel@tonic-gate */ 32987c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 32997c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 33007c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 33017c478bd9Sstevel@tonic-gate if (error != 0) { 33027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33037c478bd9Sstevel@tonic-gate return; 33047c478bd9Sstevel@tonic-gate } 33057c478bd9Sstevel@tonic-gate 33067c478bd9Sstevel@tonic-gate /* 33077c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 33087c478bd9Sstevel@tonic-gate * 33097c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 33107c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 33117c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 33127c478bd9Sstevel@tonic-gate * file tree. 33137c478bd9Sstevel@tonic-gate */ 33147c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 33157c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 33167c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 33177c478bd9Sstevel@tonic-gate (CE_WARN, "rfs4_op_putrootfh: export check failure")); 33187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 33197c478bd9Sstevel@tonic-gate return; 33207c478bd9Sstevel@tonic-gate } 33217c478bd9Sstevel@tonic-gate 33227c478bd9Sstevel@tonic-gate /* 33237c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 33247c478bd9Sstevel@tonic-gate * export and root vnode. 33257c478bd9Sstevel@tonic-gate */ 33267c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 33277c478bd9Sstevel@tonic-gate if (error != 0) { 33287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33297c478bd9Sstevel@tonic-gate return; 33307c478bd9Sstevel@tonic-gate } 33317c478bd9Sstevel@tonic-gate 33327c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 33337c478bd9Sstevel@tonic-gate cs->exi = exi; 33347c478bd9Sstevel@tonic-gate 33357c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 33367c478bd9Sstevel@tonic-gate cs->vp = rootdir; 33377c478bd9Sstevel@tonic-gate 33387c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 33397c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 33407c478bd9Sstevel@tonic-gate cs->vp = NULL; 33417c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 33427c478bd9Sstevel@tonic-gate return; 33437c478bd9Sstevel@tonic-gate } 33447c478bd9Sstevel@tonic-gate 33457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 33467c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 33477c478bd9Sstevel@tonic-gate } 33487c478bd9Sstevel@tonic-gate 33497c478bd9Sstevel@tonic-gate /* 33507c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 33517c478bd9Sstevel@tonic-gate * - it has a non-zero ino 33527c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 33537c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 33547c478bd9Sstevel@tonic-gate * only have a limited view. 33557c478bd9Sstevel@tonic-gate */ 33567c478bd9Sstevel@tonic-gate static bool_t 33577c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 33587c478bd9Sstevel@tonic-gate int *expseudo, int check_visible) 33597c478bd9Sstevel@tonic-gate { 33607c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 33617c478bd9Sstevel@tonic-gate *expseudo = 0; 33627c478bd9Sstevel@tonic-gate return (FALSE); 33637c478bd9Sstevel@tonic-gate } 33647c478bd9Sstevel@tonic-gate 33657c478bd9Sstevel@tonic-gate if (! check_visible) { 33667c478bd9Sstevel@tonic-gate *expseudo = 0; 33677c478bd9Sstevel@tonic-gate return (TRUE); 33687c478bd9Sstevel@tonic-gate } 33697c478bd9Sstevel@tonic-gate 33707c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 33717c478bd9Sstevel@tonic-gate } 33727c478bd9Sstevel@tonic-gate 33737c478bd9Sstevel@tonic-gate /* 33747c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 33757c478bd9Sstevel@tonic-gate * to get for each directory entry. 33767c478bd9Sstevel@tonic-gate */ 33777c478bd9Sstevel@tonic-gate static nfsstat4 33787c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 33797c478bd9Sstevel@tonic-gate bitmap4 attrs, bool_t *need_to_lookup) 33807c478bd9Sstevel@tonic-gate { 33817c478bd9Sstevel@tonic-gate uint_t va_mask; 33827c478bd9Sstevel@tonic-gate nfsstat4 status; 33837c478bd9Sstevel@tonic-gate bitmap4 objbits; 33847c478bd9Sstevel@tonic-gate 33857c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 33867c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 33877c478bd9Sstevel@tonic-gate /* 33887c478bd9Sstevel@tonic-gate * could not even figure attr mask 33897c478bd9Sstevel@tonic-gate */ 33907c478bd9Sstevel@tonic-gate return (status); 33917c478bd9Sstevel@tonic-gate } 33927c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 33937c478bd9Sstevel@tonic-gate 33947c478bd9Sstevel@tonic-gate /* 33957c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 33967c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 33977c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 33987c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 33997c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 34007c478bd9Sstevel@tonic-gate */ 34017c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 34027c478bd9Sstevel@tonic-gate 34037c478bd9Sstevel@tonic-gate /* 34047c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 34057c478bd9Sstevel@tonic-gate * a) vattr attrs 34067c478bd9Sstevel@tonic-gate * b) vfs attrs 34077c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 34087c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 34097c478bd9Sstevel@tonic-gate */ 34107c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 34117c478bd9Sstevel@tonic-gate 34127c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 34137c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 34147c478bd9Sstevel@tonic-gate else 34157c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 34167c478bd9Sstevel@tonic-gate 34177c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 34187c478bd9Sstevel@tonic-gate return (NFS4_OK); 34197c478bd9Sstevel@tonic-gate 34207c478bd9Sstevel@tonic-gate /* 34217c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 34227c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 34237c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 34247c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 34257c478bd9Sstevel@tonic-gate */ 34267c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 34277c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 34287c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 34297c478bd9Sstevel@tonic-gate 34307c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 34317c478bd9Sstevel@tonic-gate /* 34327c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 34337c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 34347c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 34357c478bd9Sstevel@tonic-gate */ 34367c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 34377c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 34387c478bd9Sstevel@tonic-gate /* 34397c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 34407c478bd9Sstevel@tonic-gate */ 34417c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 34427c478bd9Sstevel@tonic-gate status = NFS4_OK; 34437c478bd9Sstevel@tonic-gate } 34447c478bd9Sstevel@tonic-gate 34457c478bd9Sstevel@tonic-gate return (status); 34467c478bd9Sstevel@tonic-gate } 34477c478bd9Sstevel@tonic-gate 34487c478bd9Sstevel@tonic-gate /* 34497c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 34507c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 34517c478bd9Sstevel@tonic-gate */ 34527c478bd9Sstevel@tonic-gate 34537c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34547c478bd9Sstevel@tonic-gate static void 34557c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 34567c478bd9Sstevel@tonic-gate struct compound_state *cs) 34577c478bd9Sstevel@tonic-gate { 34587c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 34597c478bd9Sstevel@tonic-gate int error; 34607c478bd9Sstevel@tonic-gate vnode_t *vp; 34617c478bd9Sstevel@tonic-gate struct iovec iov; 34627c478bd9Sstevel@tonic-gate struct vattr va; 34637c478bd9Sstevel@tonic-gate struct uio uio; 34647c478bd9Sstevel@tonic-gate char *data; 34657c478bd9Sstevel@tonic-gate 34667c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 34677c478bd9Sstevel@tonic-gate vp = cs->vp; 34687c478bd9Sstevel@tonic-gate if (vp == NULL) { 34697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 34707c478bd9Sstevel@tonic-gate return; 34717c478bd9Sstevel@tonic-gate } 34727c478bd9Sstevel@tonic-gate 34737c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 34747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 34757c478bd9Sstevel@tonic-gate return; 34767c478bd9Sstevel@tonic-gate } 34777c478bd9Sstevel@tonic-gate 34787c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 34797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 34807c478bd9Sstevel@tonic-gate return; 34817c478bd9Sstevel@tonic-gate } 34827c478bd9Sstevel@tonic-gate 34837c478bd9Sstevel@tonic-gate if (vp->v_type != VLNK) { 34847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 34857c478bd9Sstevel@tonic-gate return; 34867c478bd9Sstevel@tonic-gate } 34877c478bd9Sstevel@tonic-gate 34887c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3489da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 34907c478bd9Sstevel@tonic-gate if (error) { 34917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 34927c478bd9Sstevel@tonic-gate return; 34937c478bd9Sstevel@tonic-gate } 34947c478bd9Sstevel@tonic-gate 34957c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 34967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 34977c478bd9Sstevel@tonic-gate return; 34987c478bd9Sstevel@tonic-gate } 34997c478bd9Sstevel@tonic-gate 35007c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 35017c478bd9Sstevel@tonic-gate 35027c478bd9Sstevel@tonic-gate iov.iov_base = data; 35037c478bd9Sstevel@tonic-gate iov.iov_len = MAXPATHLEN; 35047c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 35057c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 35067c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 35077c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 35087c478bd9Sstevel@tonic-gate uio.uio_loffset = 0; 35097c478bd9Sstevel@tonic-gate uio.uio_resid = MAXPATHLEN; 35107c478bd9Sstevel@tonic-gate 3511da6c28aaSamw error = VOP_READLINK(vp, &uio, cs->cr, NULL); 35127c478bd9Sstevel@tonic-gate 35137c478bd9Sstevel@tonic-gate if (error) { 35147c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 35157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 35167c478bd9Sstevel@tonic-gate return; 35177c478bd9Sstevel@tonic-gate } 35187c478bd9Sstevel@tonic-gate 35197c478bd9Sstevel@tonic-gate *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 35207c478bd9Sstevel@tonic-gate 35217c478bd9Sstevel@tonic-gate /* 35227c478bd9Sstevel@tonic-gate * treat link name as data 35237c478bd9Sstevel@tonic-gate */ 35247c478bd9Sstevel@tonic-gate (void) str_to_utf8(data, &resp->link); 35257c478bd9Sstevel@tonic-gate 35267c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 35277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35287c478bd9Sstevel@tonic-gate } 35297c478bd9Sstevel@tonic-gate 35307c478bd9Sstevel@tonic-gate static void 35317c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 35327c478bd9Sstevel@tonic-gate { 35337c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 35347c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 35357c478bd9Sstevel@tonic-gate 35367c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 35377c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 35387c478bd9Sstevel@tonic-gate } 35397c478bd9Sstevel@tonic-gate } 35407c478bd9Sstevel@tonic-gate 35417c478bd9Sstevel@tonic-gate /* 35427c478bd9Sstevel@tonic-gate * release_lockowner: 35437c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 35447c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 35457c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 35467c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 35477c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 35487c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 35497c478bd9Sstevel@tonic-gate * args: lock_owner 35507c478bd9Sstevel@tonic-gate * res: status 35517c478bd9Sstevel@tonic-gate */ 35527c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35537c478bd9Sstevel@tonic-gate static void 35547c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 35557c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 35567c478bd9Sstevel@tonic-gate { 35577c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 35587c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 35597c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 35607c478bd9Sstevel@tonic-gate rfs4_openowner_t *oop; 35617c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 35627c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 35637c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 35647c478bd9Sstevel@tonic-gate bool_t create = FALSE; 35657c478bd9Sstevel@tonic-gate locklist_t *llist; 35667c478bd9Sstevel@tonic-gate sysid_t sysid; 35677c478bd9Sstevel@tonic-gate 35687c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 35697c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 35707c478bd9Sstevel@tonic-gate 35717c478bd9Sstevel@tonic-gate if (cp == NULL) { 35727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 35731b300de9Sjwahlig rfs4_check_clientid(&ap->lock_owner.clientid, 0); 35747c478bd9Sstevel@tonic-gate return; 35757c478bd9Sstevel@tonic-gate } 35767c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 35777c478bd9Sstevel@tonic-gate 35787c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 35797c478bd9Sstevel@tonic-gate if (lo == NULL) { 35807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35817c478bd9Sstevel@tonic-gate return; 35827c478bd9Sstevel@tonic-gate } 35837c478bd9Sstevel@tonic-gate ASSERT(lo->client != NULL); 35847c478bd9Sstevel@tonic-gate 35857c478bd9Sstevel@tonic-gate /* 35867c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 35877c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 35887c478bd9Sstevel@tonic-gate */ 35897c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(lo->client)) { 35907c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 35917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 35927c478bd9Sstevel@tonic-gate return; 35937c478bd9Sstevel@tonic-gate } 35947c478bd9Sstevel@tonic-gate 35957c478bd9Sstevel@tonic-gate /* 35967c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 35977c478bd9Sstevel@tonic-gate */ 35987c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lo->client->dbe); 35997c478bd9Sstevel@tonic-gate if (lo->client->sysidt == LM_NOSYSID) { 36007c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 36017c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 36027c478bd9Sstevel@tonic-gate return; 36037c478bd9Sstevel@tonic-gate } 36047c478bd9Sstevel@tonic-gate 36057c478bd9Sstevel@tonic-gate sysid = lo->client->sysidt; 36067c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 36077c478bd9Sstevel@tonic-gate 36087c478bd9Sstevel@tonic-gate /* 36097c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 36107c478bd9Sstevel@tonic-gate */ 36117c478bd9Sstevel@tonic-gate rfs4_dbe_hide(lo->dbe); 36127c478bd9Sstevel@tonic-gate 36137c478bd9Sstevel@tonic-gate /* 36147c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 36157c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 36167c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 36177c478bd9Sstevel@tonic-gate * current locks. 36187c478bd9Sstevel@tonic-gate */ 36197c478bd9Sstevel@tonic-gate 36207c478bd9Sstevel@tonic-gate llist = flk_get_active_locks(sysid, lo->pid); 36217c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 36227c478bd9Sstevel@tonic-gate if (llist != NULL) { 36237c478bd9Sstevel@tonic-gate 36247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 36257c478bd9Sstevel@tonic-gate 36267c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 36277c478bd9Sstevel@tonic-gate /* 36287c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 36297c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 36307c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 36317c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 36327c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 36337c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 36347c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 36357c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 36367c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 36377c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 36387c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 36397c478bd9Sstevel@tonic-gate * reissuing the request. 36407c478bd9Sstevel@tonic-gate */ 36417c478bd9Sstevel@tonic-gate rfs4_dbe_unhide(lo->dbe); 36427c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 36437c478bd9Sstevel@tonic-gate return; 36447c478bd9Sstevel@tonic-gate } 36457c478bd9Sstevel@tonic-gate 36467c478bd9Sstevel@tonic-gate /* 36477c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 36487c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 36497c478bd9Sstevel@tonic-gate * with this lockowner. 36507c478bd9Sstevel@tonic-gate */ 36517c478bd9Sstevel@tonic-gate 36527c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lo->client->dbe); 36537c478bd9Sstevel@tonic-gate for (oop = lo->client->openownerlist.next->oop; oop != NULL; 36547c478bd9Sstevel@tonic-gate oop = oop->openownerlist.next->oop) { 36557c478bd9Sstevel@tonic-gate 36567c478bd9Sstevel@tonic-gate rfs4_dbe_lock(oop->dbe); 36577c478bd9Sstevel@tonic-gate for (sp = oop->ownerstateids.next->sp; sp != NULL; 36587c478bd9Sstevel@tonic-gate sp = sp->ownerstateids.next->sp) { 36597c478bd9Sstevel@tonic-gate 36607c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 36617c478bd9Sstevel@tonic-gate for (lsp = sp->lockownerlist.next->lsp; 36627c478bd9Sstevel@tonic-gate lsp != NULL; lsp = lsp->lockownerlist.next->lsp) { 36637c478bd9Sstevel@tonic-gate if (lsp->locker == lo) { 36647c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lsp->dbe); 36657c478bd9Sstevel@tonic-gate rfs4_dbe_invalidate(lsp->dbe); 36667c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lsp->dbe); 36677c478bd9Sstevel@tonic-gate } 36687c478bd9Sstevel@tonic-gate } 36697c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 36707c478bd9Sstevel@tonic-gate } 36717c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(oop->dbe); 36727c478bd9Sstevel@tonic-gate } 36737c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lo->client->dbe); 36747c478bd9Sstevel@tonic-gate 36757c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 36767c478bd9Sstevel@tonic-gate 36777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 36787c478bd9Sstevel@tonic-gate } 36797c478bd9Sstevel@tonic-gate 36807c478bd9Sstevel@tonic-gate /* 36817c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 36827c478bd9Sstevel@tonic-gate */ 36837c478bd9Sstevel@tonic-gate static rfs4_file_t * 36847c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 36857c478bd9Sstevel@tonic-gate int *lkup_error, cred_t *cr) 36867c478bd9Sstevel@tonic-gate { 36877c478bd9Sstevel@tonic-gate vnode_t *vp; 36887c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 36897c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 36907c478bd9Sstevel@tonic-gate int error; 36917c478bd9Sstevel@tonic-gate 36927c478bd9Sstevel@tonic-gate if (vpp) 36937c478bd9Sstevel@tonic-gate *vpp = NULL; 36947c478bd9Sstevel@tonic-gate 3695da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 3696da6c28aaSamw NULL)) == 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, 37931b300de9Sjwahlig 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; 3812da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 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)) { 383303986916Sjarrett if (!do_rfs_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; 3850da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 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 */ 3873da6c28aaSamw if ((error = VOP_RMDIR(dvp, nm, rootdir, cs->cr, 3874da6c28aaSamw NULL, 0)) == EEXIST) 38757c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 38767c478bd9Sstevel@tonic-gate } 38777c478bd9Sstevel@tonic-gate } else { 3878da6c28aaSamw if ((error = VOP_REMOVE(dvp, nm, cs->cr, NULL, 0)) == 0 && 38791b300de9Sjwahlig 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; 3895da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 38961b300de9Sjwahlig 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; 3928da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 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 */ 3934da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 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; 3941da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 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 && 39551b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 39567c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 39577c478bd9Sstevel@tonic-gate else 39587c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 39597c478bd9Sstevel@tonic-gate 39607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 39617c478bd9Sstevel@tonic-gate } 39627c478bd9Sstevel@tonic-gate 39637c478bd9Sstevel@tonic-gate /* 39647c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 39657c478bd9Sstevel@tonic-gate * oldname and newname. 39667c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 39677c478bd9Sstevel@tonic-gate * for both from and target directories. 39687c478bd9Sstevel@tonic-gate */ 39697c478bd9Sstevel@tonic-gate /* ARGSUSED */ 39707c478bd9Sstevel@tonic-gate static void 39717c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 39727c478bd9Sstevel@tonic-gate struct compound_state *cs) 39737c478bd9Sstevel@tonic-gate { 39747c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 39757c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 39767c478bd9Sstevel@tonic-gate int error; 39777c478bd9Sstevel@tonic-gate vnode_t *odvp; 39787c478bd9Sstevel@tonic-gate vnode_t *ndvp; 39797c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 39807c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 39817c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 39827c478bd9Sstevel@tonic-gate char *onm, *nnm; 39837c478bd9Sstevel@tonic-gate uint_t olen, nlen; 39847c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 39857c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 39867c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 398745916cd2Sjpk bslabel_t *clabel; 39887c478bd9Sstevel@tonic-gate 39897c478bd9Sstevel@tonic-gate fp = sfp = NULL; 39907c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 39917c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 39927c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 39937c478bd9Sstevel@tonic-gate 39947c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 39957c478bd9Sstevel@tonic-gate ndvp = cs->vp; 39967c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 39977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 39987c478bd9Sstevel@tonic-gate return; 39997c478bd9Sstevel@tonic-gate } 40007c478bd9Sstevel@tonic-gate 40017c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 40027c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 40037c478bd9Sstevel@tonic-gate if (odvp == NULL) { 40047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 40057c478bd9Sstevel@tonic-gate return; 40067c478bd9Sstevel@tonic-gate } 40077c478bd9Sstevel@tonic-gate 40087c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 40097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 40107c478bd9Sstevel@tonic-gate return; 40117c478bd9Sstevel@tonic-gate } 40127c478bd9Sstevel@tonic-gate 40137c478bd9Sstevel@tonic-gate /* 40147c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40157c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 40167c478bd9Sstevel@tonic-gate */ 40177c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 40187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 40197c478bd9Sstevel@tonic-gate return; 40207c478bd9Sstevel@tonic-gate } 40217c478bd9Sstevel@tonic-gate 40227c478bd9Sstevel@tonic-gate /* 40237c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40247c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 40257c478bd9Sstevel@tonic-gate */ 40267c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 40277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 40287c478bd9Sstevel@tonic-gate return; 40297c478bd9Sstevel@tonic-gate } 40307c478bd9Sstevel@tonic-gate 40317c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 40327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 40337c478bd9Sstevel@tonic-gate return; 40347c478bd9Sstevel@tonic-gate } 40357c478bd9Sstevel@tonic-gate 40367c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 40377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 40387c478bd9Sstevel@tonic-gate return; 40397c478bd9Sstevel@tonic-gate } 40407c478bd9Sstevel@tonic-gate 40417c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 40427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40437c478bd9Sstevel@tonic-gate return; 40447c478bd9Sstevel@tonic-gate } 40457c478bd9Sstevel@tonic-gate 40467c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 40477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40487c478bd9Sstevel@tonic-gate return; 40497c478bd9Sstevel@tonic-gate } 40507c478bd9Sstevel@tonic-gate 40517c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 40527c478bd9Sstevel@tonic-gate if (onm == NULL) { 40537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40547c478bd9Sstevel@tonic-gate return; 40557c478bd9Sstevel@tonic-gate } 40567c478bd9Sstevel@tonic-gate 40577c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 40587c478bd9Sstevel@tonic-gate if (nnm == NULL) { 40597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 40607c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 40617c478bd9Sstevel@tonic-gate return; 40627c478bd9Sstevel@tonic-gate } 40637c478bd9Sstevel@tonic-gate 40647c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 40657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 40667c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 40677c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 40687c478bd9Sstevel@tonic-gate return; 40697c478bd9Sstevel@tonic-gate } 40707c478bd9Sstevel@tonic-gate 40717c478bd9Sstevel@tonic-gate 40727c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 40737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 40747c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 40757c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 40767c478bd9Sstevel@tonic-gate return; 40777c478bd9Sstevel@tonic-gate } 40787c478bd9Sstevel@tonic-gate 407945916cd2Sjpk /* check label of the target dir */ 408045916cd2Sjpk if (is_system_labeled()) { 408145916cd2Sjpk ASSERT(req->rq_label != NULL); 408245916cd2Sjpk clabel = req->rq_label; 408345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 408445916cd2Sjpk "got client label from request(1)", 408545916cd2Sjpk struct svc_req *, req); 408645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 408703986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 408845916cd2Sjpk EQUALITY_CHECK)) { 408945916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 409045916cd2Sjpk return; 409145916cd2Sjpk } 409245916cd2Sjpk } 409345916cd2Sjpk } 409445916cd2Sjpk 40957c478bd9Sstevel@tonic-gate /* 40967c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 40977c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 40987c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 40997c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 41007c478bd9Sstevel@tonic-gate */ 41017c478bd9Sstevel@tonic-gate if (sfp = rfs4_lookup_and_findfile(odvp, onm, &srcvp, &error, cs->cr)) { 41027c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 41031b300de9Sjwahlig NULL)) { 41047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 41057c478bd9Sstevel@tonic-gate goto err_out; 41067c478bd9Sstevel@tonic-gate } 41077c478bd9Sstevel@tonic-gate } 41087c478bd9Sstevel@tonic-gate 41097c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 41107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 41117c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 41127c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 41137c478bd9Sstevel@tonic-gate return; 41147c478bd9Sstevel@tonic-gate } 41157c478bd9Sstevel@tonic-gate 41167c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 41177c478bd9Sstevel@tonic-gate 41187c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 41197c478bd9Sstevel@tonic-gate if (fp = rfs4_lookup_and_findfile(ndvp, nnm, &targvp, NULL, cs->cr)) { 41207c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 41211b300de9Sjwahlig NULL)) { 41227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 41237c478bd9Sstevel@tonic-gate goto err_out; 41247c478bd9Sstevel@tonic-gate } 41257c478bd9Sstevel@tonic-gate } 41267c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 41277c478bd9Sstevel@tonic-gate 41287c478bd9Sstevel@tonic-gate 41297c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 41307c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 41317c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 41327c478bd9Sstevel@tonic-gate in_crit_src = 1; 4133da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 41347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 41357c478bd9Sstevel@tonic-gate goto err_out; 41367c478bd9Sstevel@tonic-gate } 41377c478bd9Sstevel@tonic-gate } 41387c478bd9Sstevel@tonic-gate 41397c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 41407c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 41417c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4142da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 41437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 41447c478bd9Sstevel@tonic-gate goto err_out; 41457c478bd9Sstevel@tonic-gate } 41467c478bd9Sstevel@tonic-gate } 41477c478bd9Sstevel@tonic-gate 41487c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 41497c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4150da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 41517c478bd9Sstevel@tonic-gate if (!error) { 41527c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4153da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 41547c478bd9Sstevel@tonic-gate } 41557c478bd9Sstevel@tonic-gate if (error) { 41567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 41577c478bd9Sstevel@tonic-gate goto err_out; 41587c478bd9Sstevel@tonic-gate } 41597c478bd9Sstevel@tonic-gate 41607c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 41617c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 41627c478bd9Sstevel@tonic-gate 4163da6c28aaSamw if ((error = VOP_RENAME(odvp, onm, ndvp, nnm, cs->cr, NULL, 0)) == 0 && 41641b300de9Sjwahlig fp != NULL) { 41657c478bd9Sstevel@tonic-gate struct vattr va; 4166418d27f3Sshepler vnode_t *tvp; 4167418d27f3Sshepler 4168418d27f3Sshepler rfs4_dbe_lock(fp->dbe); 4169418d27f3Sshepler tvp = fp->vp; 4170418d27f3Sshepler if (tvp) 4171418d27f3Sshepler VN_HOLD(tvp); 4172418d27f3Sshepler rfs4_dbe_unlock(fp->dbe); 41737c478bd9Sstevel@tonic-gate 4174418d27f3Sshepler if (tvp) { 4175418d27f3Sshepler va.va_mask = AT_NLINK; 4176da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 41771b300de9Sjwahlig va.va_nlink == 0) { 4178418d27f3Sshepler /* The file is gone and so should the state */ 4179418d27f3Sshepler if (in_crit_targ) { 4180418d27f3Sshepler nbl_end_crit(targvp); 4181418d27f3Sshepler in_crit_targ = 0; 4182418d27f3Sshepler } 4183418d27f3Sshepler rfs4_close_all_state(fp); 41847c478bd9Sstevel@tonic-gate } 4185418d27f3Sshepler VN_RELE(tvp); 41867c478bd9Sstevel@tonic-gate } 41877c478bd9Sstevel@tonic-gate } 4188c9264041Sjwahlig if (error == 0) { 4189c9264041Sjwahlig char *tmp; 4190c9264041Sjwahlig 4191c9264041Sjwahlig /* fix the path name for the renamed file */ 4192c9264041Sjwahlig mutex_enter(&srcvp->v_lock); 4193c9264041Sjwahlig tmp = srcvp->v_path; 4194c9264041Sjwahlig srcvp->v_path = NULL; 4195c9264041Sjwahlig mutex_exit(&srcvp->v_lock); 4196c9264041Sjwahlig vn_setpath(rootdir, ndvp, srcvp, nnm, nlen - 1); 4197c9264041Sjwahlig if (tmp != NULL) 4198c9264041Sjwahlig kmem_free(tmp, strlen(tmp) + 1); 4199c9264041Sjwahlig } 42007c478bd9Sstevel@tonic-gate 42017c478bd9Sstevel@tonic-gate if (in_crit_src) 42027c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 42037c478bd9Sstevel@tonic-gate if (srcvp) 42047c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 42057c478bd9Sstevel@tonic-gate if (in_crit_targ) 42067c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 42077c478bd9Sstevel@tonic-gate if (targvp) 42087c478bd9Sstevel@tonic-gate VN_RELE(targvp); 42097c478bd9Sstevel@tonic-gate 42107c478bd9Sstevel@tonic-gate if (sfp) { 42117c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 42127c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 42137c478bd9Sstevel@tonic-gate } 42147c478bd9Sstevel@tonic-gate if (fp) { 42157c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42167c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42177c478bd9Sstevel@tonic-gate } 42187c478bd9Sstevel@tonic-gate 42197c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 42207c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 42217c478bd9Sstevel@tonic-gate 42227c478bd9Sstevel@tonic-gate /* 42237c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 42247c478bd9Sstevel@tonic-gate */ 42257c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4226da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 42277c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 42287c478bd9Sstevel@tonic-gate 42297c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4230da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 42317c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 42327c478bd9Sstevel@tonic-gate 42337c478bd9Sstevel@tonic-gate /* 42347c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 42357c478bd9Sstevel@tonic-gate */ 4236da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4237da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 42387c478bd9Sstevel@tonic-gate 42397c478bd9Sstevel@tonic-gate if (error) { 42407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 42417c478bd9Sstevel@tonic-gate return; 42427c478bd9Sstevel@tonic-gate } 42437c478bd9Sstevel@tonic-gate 42447c478bd9Sstevel@tonic-gate /* 42457c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 42467c478bd9Sstevel@tonic-gate * before value. 42477c478bd9Sstevel@tonic-gate */ 42487c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4249da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 42507c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 42517c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 42527c478bd9Sstevel@tonic-gate } 42537c478bd9Sstevel@tonic-gate 42547c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4255da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 42567c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 42577c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 42587c478bd9Sstevel@tonic-gate } 42597c478bd9Sstevel@tonic-gate 42607c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 42617c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 42627c478bd9Sstevel@tonic-gate 42637c478bd9Sstevel@tonic-gate /* 42647c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 42657c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 42667c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 42677c478bd9Sstevel@tonic-gate */ 42687c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 42691b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 42707c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 42717c478bd9Sstevel@tonic-gate else 42727c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 42737c478bd9Sstevel@tonic-gate 42747c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 42751b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 42767c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 42777c478bd9Sstevel@tonic-gate else 42787c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 42797c478bd9Sstevel@tonic-gate 42807c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 42817c478bd9Sstevel@tonic-gate { 42827c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 42837c478bd9Sstevel@tonic-gate 42847c478bd9Sstevel@tonic-gate /* 42857c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 42867c478bd9Sstevel@tonic-gate */ 42877c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 42887c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 42897c478bd9Sstevel@tonic-gate vnode_t *vp; 42907c478bd9Sstevel@tonic-gate 42917c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 42927c478bd9Sstevel@tonic-gate /* 42937c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 42947c478bd9Sstevel@tonic-gate */ 4295da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4296da6c28aaSamw NULL, NULL, NULL); 42977c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 42987c478bd9Sstevel@tonic-gate if (!error) { 42997c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 43007c478bd9Sstevel@tonic-gate VN_RELE(vp); 43017c478bd9Sstevel@tonic-gate } 43027c478bd9Sstevel@tonic-gate } 43037c478bd9Sstevel@tonic-gate } 43047c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 43057c478bd9Sstevel@tonic-gate 43067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 43077c478bd9Sstevel@tonic-gate return; 43087c478bd9Sstevel@tonic-gate 43097c478bd9Sstevel@tonic-gate err_out: 43107c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 43117c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 43127c478bd9Sstevel@tonic-gate 43137c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 43147c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 43157c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 43167c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 43177c478bd9Sstevel@tonic-gate if (sfp) { 43187c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 43197c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 43207c478bd9Sstevel@tonic-gate } 43217c478bd9Sstevel@tonic-gate if (fp) { 43227c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 43237c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 43247c478bd9Sstevel@tonic-gate } 43257c478bd9Sstevel@tonic-gate } 43267c478bd9Sstevel@tonic-gate 43277c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43287c478bd9Sstevel@tonic-gate static void 43297c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 43307c478bd9Sstevel@tonic-gate struct compound_state *cs) 43317c478bd9Sstevel@tonic-gate { 43327c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 43337c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 43347c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 43357c478bd9Sstevel@tonic-gate 43367c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 43377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 43381b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 0); 43397c478bd9Sstevel@tonic-gate return; 43407c478bd9Sstevel@tonic-gate } 43417c478bd9Sstevel@tonic-gate 43427c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 43437c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 43447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 43457c478bd9Sstevel@tonic-gate return; 43467c478bd9Sstevel@tonic-gate } 43477c478bd9Sstevel@tonic-gate 43487c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 43497c478bd9Sstevel@tonic-gate 43507c478bd9Sstevel@tonic-gate mutex_enter(cp->cbinfo.cb_lock); 43517c478bd9Sstevel@tonic-gate if (cp->cbinfo.cb_notified_of_cb_path_down == FALSE) { 43527c478bd9Sstevel@tonic-gate cp->cbinfo.cb_notified_of_cb_path_down = TRUE; 43537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 43547c478bd9Sstevel@tonic-gate } else { 43557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 43567c478bd9Sstevel@tonic-gate } 43577c478bd9Sstevel@tonic-gate mutex_exit(cp->cbinfo.cb_lock); 43587c478bd9Sstevel@tonic-gate 43597c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 43607c478bd9Sstevel@tonic-gate 43617c478bd9Sstevel@tonic-gate } 43627c478bd9Sstevel@tonic-gate 43637c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43647c478bd9Sstevel@tonic-gate static void 43657c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 43667c478bd9Sstevel@tonic-gate struct compound_state *cs) 43677c478bd9Sstevel@tonic-gate { 43687c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 43697c478bd9Sstevel@tonic-gate 43707c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 43717c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 43727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 43737c478bd9Sstevel@tonic-gate return; 43747c478bd9Sstevel@tonic-gate } 43757c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 43767c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 43777c478bd9Sstevel@tonic-gate } 43787c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 43797c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 43807c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 43817c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 43827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 43837c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 43847c478bd9Sstevel@tonic-gate } 43857c478bd9Sstevel@tonic-gate 43867c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43877c478bd9Sstevel@tonic-gate static void 43887c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 43897c478bd9Sstevel@tonic-gate struct compound_state *cs) 43907c478bd9Sstevel@tonic-gate { 43917c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 43927c478bd9Sstevel@tonic-gate 43937c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 43947c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 43957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 43967c478bd9Sstevel@tonic-gate return; 43977c478bd9Sstevel@tonic-gate } 43987c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 43997c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 44007c478bd9Sstevel@tonic-gate } 44017c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 44027c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 44037c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 44047c478bd9Sstevel@tonic-gate /* 44057c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 44067c478bd9Sstevel@tonic-gate * unless necessary. 44077c478bd9Sstevel@tonic-gate */ 44087c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 44097c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 44107c478bd9Sstevel@tonic-gate } 44117c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 44127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 44137c478bd9Sstevel@tonic-gate } 44147c478bd9Sstevel@tonic-gate 44157c478bd9Sstevel@tonic-gate /* 44167c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 44177c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 44187c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 44197c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 44207c478bd9Sstevel@tonic-gate * 44217c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 44227c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 44237c478bd9Sstevel@tonic-gate * 44247c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 44257c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 44267c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 44277c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 44287c478bd9Sstevel@tonic-gate * 44297c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 44307c478bd9Sstevel@tonic-gate */ 44317c478bd9Sstevel@tonic-gate static int 44327c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 44337c478bd9Sstevel@tonic-gate bitmap4 *resp, struct nfs4_ntov_table *ntovp) 44347c478bd9Sstevel@tonic-gate { 44357c478bd9Sstevel@tonic-gate int error, ret_error = 0; 44367c478bd9Sstevel@tonic-gate int i, k; 44377c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 44387c478bd9Sstevel@tonic-gate uint_t vbit; 44397c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 44407c478bd9Sstevel@tonic-gate uint8_t *amap; 44417c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 44427c478bd9Sstevel@tonic-gate 44437c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 44447c478bd9Sstevel@tonic-gate /* 44457c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 44467c478bd9Sstevel@tonic-gate * on the incoming values. 44477c478bd9Sstevel@tonic-gate */ 44487c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4449da6c28aaSamw sargp->cs->cr, NULL); 44507c478bd9Sstevel@tonic-gate if (ret_error) { 44517c478bd9Sstevel@tonic-gate if (resp == NULL) 44527c478bd9Sstevel@tonic-gate return (ret_error); 44537c478bd9Sstevel@tonic-gate /* 44547c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 44557c478bd9Sstevel@tonic-gate */ 44567c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 44577c478bd9Sstevel@tonic-gate } else { 44587c478bd9Sstevel@tonic-gate /* 44597c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 44607c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 44617c478bd9Sstevel@tonic-gate * defensive coding. 44627c478bd9Sstevel@tonic-gate * See bug id 4276830. 44637c478bd9Sstevel@tonic-gate */ 44647c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 44657c478bd9Sstevel@tonic-gate } 44667c478bd9Sstevel@tonic-gate } 44677c478bd9Sstevel@tonic-gate 44687c478bd9Sstevel@tonic-gate if (getsb) { 44697c478bd9Sstevel@tonic-gate /* 44707c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 44717c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 44727c478bd9Sstevel@tonic-gate */ 44737c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 44747c478bd9Sstevel@tonic-gate if (ret_error) { 44757c478bd9Sstevel@tonic-gate if (resp == NULL) 44767c478bd9Sstevel@tonic-gate goto errout; 44777c478bd9Sstevel@tonic-gate getsb = FALSE; 44787c478bd9Sstevel@tonic-gate } 44797c478bd9Sstevel@tonic-gate } 44807c478bd9Sstevel@tonic-gate 44817c478bd9Sstevel@tonic-gate /* 44827c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 44837c478bd9Sstevel@tonic-gate * whether it's the same as the input. 44847c478bd9Sstevel@tonic-gate */ 44857c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 44867c478bd9Sstevel@tonic-gate goto errout; 44877c478bd9Sstevel@tonic-gate 44887c478bd9Sstevel@tonic-gate na = ntovp->na; 44897c478bd9Sstevel@tonic-gate amap = ntovp->amap; 44907c478bd9Sstevel@tonic-gate k = 0; 44917c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 44927c478bd9Sstevel@tonic-gate k = *amap; 44937c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 44947c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 44957c478bd9Sstevel@tonic-gate 44967c478bd9Sstevel@tonic-gate /* 44977c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 44987c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 44997c478bd9Sstevel@tonic-gate */ 45007c478bd9Sstevel@tonic-gate if (vbit) { 45017c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 45027c478bd9Sstevel@tonic-gate continue; 45037c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 45047c478bd9Sstevel@tonic-gate continue; 45057c478bd9Sstevel@tonic-gate } 45061b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 45077c478bd9Sstevel@tonic-gate if (resp != NULL) { 45087c478bd9Sstevel@tonic-gate if (error) 45097c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 45107c478bd9Sstevel@tonic-gate else /* update response bitmap */ 45117c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 45127c478bd9Sstevel@tonic-gate continue; 45137c478bd9Sstevel@tonic-gate } 45147c478bd9Sstevel@tonic-gate if (error) { 45157c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 45167c478bd9Sstevel@tonic-gate break; 45177c478bd9Sstevel@tonic-gate } 45187c478bd9Sstevel@tonic-gate } 45197c478bd9Sstevel@tonic-gate errout: 45207c478bd9Sstevel@tonic-gate return (ret_error); 45217c478bd9Sstevel@tonic-gate } 45227c478bd9Sstevel@tonic-gate 45237c478bd9Sstevel@tonic-gate /* 45247c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 45257c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 45267c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 45277c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 45287c478bd9Sstevel@tonic-gate * 45297c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 45307c478bd9Sstevel@tonic-gate */ 45317c478bd9Sstevel@tonic-gate static int 45327c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 45337c478bd9Sstevel@tonic-gate int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 45347c478bd9Sstevel@tonic-gate { 45357c478bd9Sstevel@tonic-gate int error = 0; 45367c478bd9Sstevel@tonic-gate bool_t set_later; 45377c478bd9Sstevel@tonic-gate 45387c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 45397c478bd9Sstevel@tonic-gate 45407c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 45417c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 45427c478bd9Sstevel@tonic-gate /* 45437c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 45447c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 45457c478bd9Sstevel@tonic-gate * Will be done later. 45467c478bd9Sstevel@tonic-gate */ 45477c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 45487c478bd9Sstevel@tonic-gate /* 45497c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 45507c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 45517c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 45527c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 45537c478bd9Sstevel@tonic-gate */ 45547c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 45557c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 45567c478bd9Sstevel@tonic-gate sargp, nap); 45577c478bd9Sstevel@tonic-gate if (error) { 45587c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 45597c478bd9Sstevel@tonic-gate (caddr_t)nap); 45607c478bd9Sstevel@tonic-gate } 45617c478bd9Sstevel@tonic-gate } 45627c478bd9Sstevel@tonic-gate } 45637c478bd9Sstevel@tonic-gate } else { 45647c478bd9Sstevel@tonic-gate #ifdef DEBUG 45657c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 45661b300de9Sjwahlig "decoding attribute %d\n", k); 45677c478bd9Sstevel@tonic-gate #endif 45687c478bd9Sstevel@tonic-gate error = EINVAL; 45697c478bd9Sstevel@tonic-gate } 45707c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 45717c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 45727c478bd9Sstevel@tonic-gate } 45737c478bd9Sstevel@tonic-gate 45747c478bd9Sstevel@tonic-gate return (error); 45757c478bd9Sstevel@tonic-gate } 45767c478bd9Sstevel@tonic-gate 45777c478bd9Sstevel@tonic-gate /* 45787c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 45797c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 45807c478bd9Sstevel@tonic-gate */ 45817c478bd9Sstevel@tonic-gate static nfsstat4 45827c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 45837c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 45847c478bd9Sstevel@tonic-gate nfs4_attr_cmd_t cmd) 45857c478bd9Sstevel@tonic-gate { 45867c478bd9Sstevel@tonic-gate int error = 0; 45877c478bd9Sstevel@tonic-gate int i; 45887c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 45897c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 45907c478bd9Sstevel@tonic-gate XDR xdr; 45917c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 45927c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 45937c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 45947c478bd9Sstevel@tonic-gate uint8_t *amap; 45957c478bd9Sstevel@tonic-gate 45967c478bd9Sstevel@tonic-gate #ifndef lint 45977c478bd9Sstevel@tonic-gate /* 45987c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 45997c478bd9Sstevel@tonic-gate * 8 bit quantity. 46007c478bd9Sstevel@tonic-gate */ 46017c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 46027c478bd9Sstevel@tonic-gate #endif 46037c478bd9Sstevel@tonic-gate 46047c478bd9Sstevel@tonic-gate if (vp == NULL) { 46057c478bd9Sstevel@tonic-gate if (resp) 46067c478bd9Sstevel@tonic-gate *resp = 0; 46077c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 46087c478bd9Sstevel@tonic-gate } 46097c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 46107c478bd9Sstevel@tonic-gate if (resp) 46117c478bd9Sstevel@tonic-gate *resp = 0; 46127c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 46137c478bd9Sstevel@tonic-gate } 46147c478bd9Sstevel@tonic-gate 46157c478bd9Sstevel@tonic-gate sargp->op = cmd; 46167c478bd9Sstevel@tonic-gate sargp->cs = cs; 46177c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 46187c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 46197c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 46207c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 46217c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 46227c478bd9Sstevel@tonic-gate 46237c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 46247c478bd9Sstevel@tonic-gate 46257c478bd9Sstevel@tonic-gate na = ntovp->na; 46267c478bd9Sstevel@tonic-gate amap = ntovp->amap; 46277c478bd9Sstevel@tonic-gate 46287c478bd9Sstevel@tonic-gate /* 46297c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 46307c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 46317c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 46327c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 46337c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 46347c478bd9Sstevel@tonic-gate * will be set in this loop. 46357c478bd9Sstevel@tonic-gate */ 46367c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 46377c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 46387c478bd9Sstevel@tonic-gate continue; 46397c478bd9Sstevel@tonic-gate } 46407c478bd9Sstevel@tonic-gate /* 46417c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 46427c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 46437c478bd9Sstevel@tonic-gate */ 46447c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 46451b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 46467c478bd9Sstevel@tonic-gate /* 46477c478bd9Sstevel@tonic-gate * Client tries to set/verify an 46487c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 46497c478bd9Sstevel@tonic-gate * a read only attr or verify a write 46507c478bd9Sstevel@tonic-gate * only one - error! 46517c478bd9Sstevel@tonic-gate */ 46527c478bd9Sstevel@tonic-gate break; 46537c478bd9Sstevel@tonic-gate } 46547c478bd9Sstevel@tonic-gate /* 46557c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 46567c478bd9Sstevel@tonic-gate */ 46577c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 46581b300de9Sjwahlig &xdr, resp ? resp : NULL, na); 46597c478bd9Sstevel@tonic-gate if (error) 46607c478bd9Sstevel@tonic-gate break; 46617c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 46627c478bd9Sstevel@tonic-gate na++; 46637c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 46647c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 46657c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 46667c478bd9Sstevel@tonic-gate } 46677c478bd9Sstevel@tonic-gate 46687c478bd9Sstevel@tonic-gate if (error != 0) 46691b300de9Sjwahlig status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 46701b300de9Sjwahlig puterrno4(error)); 46717c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 46727c478bd9Sstevel@tonic-gate return (status); 46737c478bd9Sstevel@tonic-gate } 46747c478bd9Sstevel@tonic-gate 46757c478bd9Sstevel@tonic-gate static nfsstat4 46767c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 46777c478bd9Sstevel@tonic-gate stateid4 *stateid) 46787c478bd9Sstevel@tonic-gate { 46797c478bd9Sstevel@tonic-gate int error = 0; 46807c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 46817c478bd9Sstevel@tonic-gate bool_t trunc; 46827c478bd9Sstevel@tonic-gate 46837c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 46847c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 46857c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 46867c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 46877c478bd9Sstevel@tonic-gate struct statvfs64 sb; 46887c478bd9Sstevel@tonic-gate struct vattr bva; 46897c478bd9Sstevel@tonic-gate struct flock64 bf; 46907c478bd9Sstevel@tonic-gate int in_crit = 0; 46917c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 46927c478bd9Sstevel@tonic-gate caller_context_t ct; 46937c478bd9Sstevel@tonic-gate 46947c478bd9Sstevel@tonic-gate *resp = 0; 46957c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 46967c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 46977c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 46981b300de9Sjwahlig NFS4ATTR_SETIT); 46997c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 47007c478bd9Sstevel@tonic-gate /* 47017c478bd9Sstevel@tonic-gate * failed set attrs 47027c478bd9Sstevel@tonic-gate */ 47037c478bd9Sstevel@tonic-gate goto done; 47047c478bd9Sstevel@tonic-gate } 47057c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 47067c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 47077c478bd9Sstevel@tonic-gate /* 47087c478bd9Sstevel@tonic-gate * no further work to be done 47097c478bd9Sstevel@tonic-gate */ 47107c478bd9Sstevel@tonic-gate goto done; 47117c478bd9Sstevel@tonic-gate } 47127c478bd9Sstevel@tonic-gate 47137c478bd9Sstevel@tonic-gate /* 47147c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 47157c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 47167c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 47177c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 47187c478bd9Sstevel@tonic-gate */ 47197c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 47207c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 47217c478bd9Sstevel@tonic-gate vattr_t va; 47227c478bd9Sstevel@tonic-gate 47237c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 4724da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 47257c478bd9Sstevel@tonic-gate if (error) { 47267c478bd9Sstevel@tonic-gate status = puterrno4(error); 47277c478bd9Sstevel@tonic-gate goto done; 47287c478bd9Sstevel@tonic-gate } 47297c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 47307c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 47317c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 47327c478bd9Sstevel@tonic-gate goto done; 47337c478bd9Sstevel@tonic-gate } 47347c478bd9Sstevel@tonic-gate } 47357c478bd9Sstevel@tonic-gate 47367c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 47377c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 47387c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 47397c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 4740da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 47417c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 47427c478bd9Sstevel@tonic-gate goto done; 4743da6c28aaSamw } else { 4744da6c28aaSamw ct.cc_sysid = 0; 4745da6c28aaSamw ct.cc_pid = 0; 4746da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 47477c478bd9Sstevel@tonic-gate } 47487c478bd9Sstevel@tonic-gate 47497c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 47507c478bd9Sstevel@tonic-gate 47517c478bd9Sstevel@tonic-gate /* 47527c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 47537c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 47547c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 47557c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 47567c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 47577c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 47587c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 47597c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 47607c478bd9Sstevel@tonic-gate * do the access checking. 47617c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 47627c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 47637c478bd9Sstevel@tonic-gate * the region of the change. 47647c478bd9Sstevel@tonic-gate */ 47657c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 47667c478bd9Sstevel@tonic-gate u_offset_t offset; 47677c478bd9Sstevel@tonic-gate ssize_t length; 47687c478bd9Sstevel@tonic-gate 47699720e166Sjasmith /* 47709720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 47719720e166Sjasmith * before returning, sarg.vap->va_mask is used to 47729720e166Sjasmith * generate the setattr reply bitmap. We also clear 47739720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 47749720e166Sjasmith * of these cases, the va_mask needs to be saved here 47759720e166Sjasmith * and restored after calling VOP_SETATTR. 47769720e166Sjasmith */ 47779720e166Sjasmith saved_mask = sarg.vap->va_mask; 47789720e166Sjasmith 47797c478bd9Sstevel@tonic-gate /* 47807c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 47817c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 47827c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 47837c478bd9Sstevel@tonic-gate */ 47847c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 47857c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 47867c478bd9Sstevel@tonic-gate in_crit = 1; 47877c478bd9Sstevel@tonic-gate } 47887c478bd9Sstevel@tonic-gate 47897c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 4790da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 47917c478bd9Sstevel@tonic-gate status = puterrno4(error); 47927c478bd9Sstevel@tonic-gate goto done; 47937c478bd9Sstevel@tonic-gate } 47947c478bd9Sstevel@tonic-gate 47957c478bd9Sstevel@tonic-gate if (in_crit) { 47967c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 47977c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 47987c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 47997c478bd9Sstevel@tonic-gate } else { 48007c478bd9Sstevel@tonic-gate offset = bva.va_size; 48017c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 48027c478bd9Sstevel@tonic-gate } 4803da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 4804da6c28aaSamw &ct)) { 48057c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 48067c478bd9Sstevel@tonic-gate goto done; 48077c478bd9Sstevel@tonic-gate } 48087c478bd9Sstevel@tonic-gate } 48097c478bd9Sstevel@tonic-gate 48107c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 48117c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 48127c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 48137c478bd9Sstevel@tonic-gate bf.l_whence = 0; 48147c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 48157c478bd9Sstevel@tonic-gate bf.l_len = 0; 48167c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 48177c478bd9Sstevel@tonic-gate bf.l_pid = 0; 48187c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 48191b300de9Sjwahlig (offset_t)sarg.vap->va_size, cr, &ct); 48207c478bd9Sstevel@tonic-gate } 48217c478bd9Sstevel@tonic-gate } 48227c478bd9Sstevel@tonic-gate 48237c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 48247c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 48257c478bd9Sstevel@tonic-gate 48269720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 48277c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 48287c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 48297c478bd9Sstevel@tonic-gate 48307c478bd9Sstevel@tonic-gate /* 48317c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 48327c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 48337c478bd9Sstevel@tonic-gate */ 48347c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 48357c478bd9Sstevel@tonic-gate int i; 48367c478bd9Sstevel@tonic-gate 48377c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 48387c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 48397c478bd9Sstevel@tonic-gate break; 48407c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 48417c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 48427c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 48437c478bd9Sstevel@tonic-gate if (error == 0) { 48447c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 48457c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 48467c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 48477c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 48487c478bd9Sstevel@tonic-gate goto done; 48497c478bd9Sstevel@tonic-gate } 48507c478bd9Sstevel@tonic-gate } else { 48517c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 48527c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 48537c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 48547c478bd9Sstevel@tonic-gate error = EINVAL; 48557c478bd9Sstevel@tonic-gate } 48567c478bd9Sstevel@tonic-gate } 48577c478bd9Sstevel@tonic-gate 48587c478bd9Sstevel@tonic-gate if (error) { 48597c478bd9Sstevel@tonic-gate status = puterrno4(error); 48607c478bd9Sstevel@tonic-gate 48617c478bd9Sstevel@tonic-gate /* 48627c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 48637c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 48647c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 48657c478bd9Sstevel@tonic-gate * to the setattr arguments. 48667c478bd9Sstevel@tonic-gate */ 48677c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 48687c478bd9Sstevel@tonic-gate } else { 48697c478bd9Sstevel@tonic-gate /* 48707c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 48717c478bd9Sstevel@tonic-gate */ 4872da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 48737c478bd9Sstevel@tonic-gate /* 48747c478bd9Sstevel@tonic-gate * Set response bitmap 48757c478bd9Sstevel@tonic-gate */ 48769720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 48777c478bd9Sstevel@tonic-gate } 48787c478bd9Sstevel@tonic-gate 48797c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 48807c478bd9Sstevel@tonic-gate done: 48819720e166Sjasmith /* 48829720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 48839720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 48849720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 48859720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 48869720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 48879720e166Sjasmith * case. 48889720e166Sjasmith */ 48899720e166Sjasmith *resp &= fattrp->attrmask; 48909720e166Sjasmith 48917c478bd9Sstevel@tonic-gate if (in_crit) 48927c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 48937c478bd9Sstevel@tonic-gate 48947c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 48957c478bd9Sstevel@tonic-gate 48967c478bd9Sstevel@tonic-gate return (status); 48977c478bd9Sstevel@tonic-gate } 48987c478bd9Sstevel@tonic-gate 48997c478bd9Sstevel@tonic-gate /* ARGSUSED */ 49007c478bd9Sstevel@tonic-gate static void 49017c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 49027c478bd9Sstevel@tonic-gate struct compound_state *cs) 49037c478bd9Sstevel@tonic-gate { 49047c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 49057c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 490645916cd2Sjpk bslabel_t *clabel; 49077c478bd9Sstevel@tonic-gate 49087c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 49097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 49107c478bd9Sstevel@tonic-gate return; 49117c478bd9Sstevel@tonic-gate } 49127c478bd9Sstevel@tonic-gate 49137c478bd9Sstevel@tonic-gate /* 49147c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 49157c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 49167c478bd9Sstevel@tonic-gate */ 49177c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 49187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 49197c478bd9Sstevel@tonic-gate return; 49207c478bd9Sstevel@tonic-gate } 49217c478bd9Sstevel@tonic-gate 49227c478bd9Sstevel@tonic-gate resp->attrsset = 0; 49237c478bd9Sstevel@tonic-gate 49247c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 49257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 49267c478bd9Sstevel@tonic-gate return; 49277c478bd9Sstevel@tonic-gate } 49287c478bd9Sstevel@tonic-gate 492945916cd2Sjpk /* check label before setting attributes */ 493045916cd2Sjpk if (is_system_labeled()) { 493145916cd2Sjpk ASSERT(req->rq_label != NULL); 493245916cd2Sjpk clabel = req->rq_label; 493345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 493445916cd2Sjpk "got client label from request(1)", 493545916cd2Sjpk struct svc_req *, req); 493645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 493703986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 493845916cd2Sjpk EQUALITY_CHECK)) { 493945916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 494045916cd2Sjpk return; 494145916cd2Sjpk } 494245916cd2Sjpk } 494345916cd2Sjpk } 494445916cd2Sjpk 49457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 49461b300de9Sjwahlig do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 49471b300de9Sjwahlig &args->stateid); 49487c478bd9Sstevel@tonic-gate } 49497c478bd9Sstevel@tonic-gate 49507c478bd9Sstevel@tonic-gate /* ARGSUSED */ 49517c478bd9Sstevel@tonic-gate static void 49527c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 49537c478bd9Sstevel@tonic-gate struct compound_state *cs) 49547c478bd9Sstevel@tonic-gate { 49557c478bd9Sstevel@tonic-gate /* 49567c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 49577c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 49587c478bd9Sstevel@tonic-gate * when none changed. 49597c478bd9Sstevel@tonic-gate */ 49607c478bd9Sstevel@tonic-gate 49617c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 49627c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 49637c478bd9Sstevel@tonic-gate 49647c478bd9Sstevel@tonic-gate int error; 49657c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 49667c478bd9Sstevel@tonic-gate struct statvfs64 sb; 49677c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 49687c478bd9Sstevel@tonic-gate 49697c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 49707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 49717c478bd9Sstevel@tonic-gate return; 49727c478bd9Sstevel@tonic-gate } 49737c478bd9Sstevel@tonic-gate 49747c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 49757c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 49767c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 49771b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 49787c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 49797c478bd9Sstevel@tonic-gate /* 49807c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 49817c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 49827c478bd9Sstevel@tonic-gate */ 49837c478bd9Sstevel@tonic-gate if (resp->status == -1) 49847c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 49857c478bd9Sstevel@tonic-gate goto done; 49867c478bd9Sstevel@tonic-gate } 49877c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 49887c478bd9Sstevel@tonic-gate switch (error) { 49897c478bd9Sstevel@tonic-gate case 0: 49907c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 49917c478bd9Sstevel@tonic-gate break; 49927c478bd9Sstevel@tonic-gate case -1: 49937c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 49947c478bd9Sstevel@tonic-gate break; 49957c478bd9Sstevel@tonic-gate default: 49967c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 49977c478bd9Sstevel@tonic-gate break; 49987c478bd9Sstevel@tonic-gate } 49997c478bd9Sstevel@tonic-gate done: 50007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 50017c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 50027c478bd9Sstevel@tonic-gate } 50037c478bd9Sstevel@tonic-gate 50047c478bd9Sstevel@tonic-gate /* ARGSUSED */ 50057c478bd9Sstevel@tonic-gate static void 50067c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 50077c478bd9Sstevel@tonic-gate struct compound_state *cs) 50087c478bd9Sstevel@tonic-gate { 50097c478bd9Sstevel@tonic-gate /* 50107c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 50117c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 50127c478bd9Sstevel@tonic-gate * when none changed. 50137c478bd9Sstevel@tonic-gate */ 50147c478bd9Sstevel@tonic-gate 50157c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 50167c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 50177c478bd9Sstevel@tonic-gate 50187c478bd9Sstevel@tonic-gate int error; 50197c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 50207c478bd9Sstevel@tonic-gate struct statvfs64 sb; 50217c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 50227c478bd9Sstevel@tonic-gate 50237c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 50247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 50257c478bd9Sstevel@tonic-gate return; 50267c478bd9Sstevel@tonic-gate } 50277c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 50287c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 50297c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 50301b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 50317c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 50327c478bd9Sstevel@tonic-gate /* 50337c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 50347c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 50357c478bd9Sstevel@tonic-gate */ 50367c478bd9Sstevel@tonic-gate if (resp->status == -1) 50377c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 50387c478bd9Sstevel@tonic-gate goto done; 50397c478bd9Sstevel@tonic-gate } 50407c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 50417c478bd9Sstevel@tonic-gate switch (error) { 50427c478bd9Sstevel@tonic-gate case 0: 50437c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 50447c478bd9Sstevel@tonic-gate break; 50457c478bd9Sstevel@tonic-gate case -1: 50467c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 50477c478bd9Sstevel@tonic-gate break; 50487c478bd9Sstevel@tonic-gate default: 50497c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 50507c478bd9Sstevel@tonic-gate break; 50517c478bd9Sstevel@tonic-gate } 50527c478bd9Sstevel@tonic-gate done: 50537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 50547c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 50557c478bd9Sstevel@tonic-gate } 50567c478bd9Sstevel@tonic-gate 50577c478bd9Sstevel@tonic-gate /* 50587c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 50597c478bd9Sstevel@tonic-gate */ 50607c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 50617c478bd9Sstevel@tonic-gate 50627c478bd9Sstevel@tonic-gate /* ARGSUSED */ 50637c478bd9Sstevel@tonic-gate static void 50647c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 50657c478bd9Sstevel@tonic-gate struct compound_state *cs) 50667c478bd9Sstevel@tonic-gate { 50677c478bd9Sstevel@tonic-gate WRITE4args *args = &argop->nfs_argop4_u.opwrite; 50687c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 50697c478bd9Sstevel@tonic-gate int error; 50707c478bd9Sstevel@tonic-gate vnode_t *vp; 50717c478bd9Sstevel@tonic-gate struct vattr bva; 50727c478bd9Sstevel@tonic-gate u_offset_t rlimit; 50737c478bd9Sstevel@tonic-gate struct uio uio; 50747c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 50757c478bd9Sstevel@tonic-gate struct iovec *iovp; 50767c478bd9Sstevel@tonic-gate int iovcnt; 50777c478bd9Sstevel@tonic-gate int ioflag; 50787c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 50797c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 50807c478bd9Sstevel@tonic-gate nfsstat4 stat; 50817c478bd9Sstevel@tonic-gate int in_crit = 0; 5082da6c28aaSamw caller_context_t ct; 50837c478bd9Sstevel@tonic-gate 50847c478bd9Sstevel@tonic-gate vp = cs->vp; 50857c478bd9Sstevel@tonic-gate if (vp == NULL) { 50867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 50877c478bd9Sstevel@tonic-gate return; 50887c478bd9Sstevel@tonic-gate } 50897c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 50907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 50917c478bd9Sstevel@tonic-gate return; 50927c478bd9Sstevel@tonic-gate } 50937c478bd9Sstevel@tonic-gate 50947c478bd9Sstevel@tonic-gate cr = cs->cr; 50957c478bd9Sstevel@tonic-gate 5096da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5097da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5098da6c28aaSamw *cs->statusp = resp->status = stat; 5099da6c28aaSamw goto out; 5100da6c28aaSamw } 5101da6c28aaSamw 51027c478bd9Sstevel@tonic-gate /* 51037c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 51047c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 51057c478bd9Sstevel@tonic-gate */ 51067c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 51077c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 51087c478bd9Sstevel@tonic-gate in_crit = 1; 51097c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5110da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 51117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 51127c478bd9Sstevel@tonic-gate goto out; 51137c478bd9Sstevel@tonic-gate } 51147c478bd9Sstevel@tonic-gate } 51157c478bd9Sstevel@tonic-gate 51167c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5117da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 51187c478bd9Sstevel@tonic-gate 51197c478bd9Sstevel@tonic-gate /* 51207c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 51217c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 51227c478bd9Sstevel@tonic-gate */ 51237c478bd9Sstevel@tonic-gate if (error) { 51247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 51257c478bd9Sstevel@tonic-gate goto out; 51267c478bd9Sstevel@tonic-gate } 51277c478bd9Sstevel@tonic-gate 51287c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 51297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 51307c478bd9Sstevel@tonic-gate goto out; 51317c478bd9Sstevel@tonic-gate } 51327c478bd9Sstevel@tonic-gate 51337c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 51347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 51351b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 51367c478bd9Sstevel@tonic-gate goto out; 51377c478bd9Sstevel@tonic-gate } 51387c478bd9Sstevel@tonic-gate 51397c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5140da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 51417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 51427c478bd9Sstevel@tonic-gate goto out; 51437c478bd9Sstevel@tonic-gate } 51447c478bd9Sstevel@tonic-gate 51457c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 51467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 51477c478bd9Sstevel@tonic-gate goto out; 51487c478bd9Sstevel@tonic-gate } 51497c478bd9Sstevel@tonic-gate 51507c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 51517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 51527c478bd9Sstevel@tonic-gate resp->count = 0; 51537c478bd9Sstevel@tonic-gate resp->committed = args->stable; 51547c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 51557c478bd9Sstevel@tonic-gate goto out; 51567c478bd9Sstevel@tonic-gate } 51577c478bd9Sstevel@tonic-gate 51587c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 51597c478bd9Sstevel@tonic-gate mblk_t *m; 51607c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 51617c478bd9Sstevel@tonic-gate 51627c478bd9Sstevel@tonic-gate iovcnt = 0; 51637c478bd9Sstevel@tonic-gate bytes = 0; 51647c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 51657c478bd9Sstevel@tonic-gate for (m = args->mblk; 51667c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 51677c478bd9Sstevel@tonic-gate m = m->b_cont) { 51687c478bd9Sstevel@tonic-gate iovcnt++; 51697c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 51707c478bd9Sstevel@tonic-gate } 51717c478bd9Sstevel@tonic-gate #ifdef DEBUG 51727c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 51737c478bd9Sstevel@tonic-gate if (bytes != round_len) { 51747c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 51757c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 51767c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 51777c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 51787c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 51797c478bd9Sstevel@tonic-gate } 51807c478bd9Sstevel@tonic-gate #endif 51817c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 51827c478bd9Sstevel@tonic-gate iovp = iov; 51837c478bd9Sstevel@tonic-gate } else { 51847c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 51857c478bd9Sstevel@tonic-gate } 51867c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 51877c478bd9Sstevel@tonic-gate } else { 51887c478bd9Sstevel@tonic-gate iovcnt = 1; 51897c478bd9Sstevel@tonic-gate iovp = iov; 51907c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 51917c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 51927c478bd9Sstevel@tonic-gate } 51937c478bd9Sstevel@tonic-gate 51947c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 51957c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 51967c478bd9Sstevel@tonic-gate 51977c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 51987c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 51997c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 52007c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 52017c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 52027c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 52037c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 52047c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 52057c478bd9Sstevel@tonic-gate 52067c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 52077c478bd9Sstevel@tonic-gate ioflag = 0; 52087c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 52097c478bd9Sstevel@tonic-gate ioflag = FSYNC; 52107c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 52117c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 52127c478bd9Sstevel@tonic-gate else { 52137c478bd9Sstevel@tonic-gate if (iovp != iov) 52147c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 52157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 52167c478bd9Sstevel@tonic-gate goto out; 52177c478bd9Sstevel@tonic-gate } 52187c478bd9Sstevel@tonic-gate 52197c478bd9Sstevel@tonic-gate /* 52207c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 52217c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 52227c478bd9Sstevel@tonic-gate * checking is enabled. 52237c478bd9Sstevel@tonic-gate */ 52247c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 52257c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5226da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 52277c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 52287c478bd9Sstevel@tonic-gate 52297c478bd9Sstevel@tonic-gate if (iovp != iov) 52307c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 52317c478bd9Sstevel@tonic-gate 52327c478bd9Sstevel@tonic-gate if (error) { 52337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 52347c478bd9Sstevel@tonic-gate goto out; 52357c478bd9Sstevel@tonic-gate } 52367c478bd9Sstevel@tonic-gate 52377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 52387c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 52397c478bd9Sstevel@tonic-gate 52407c478bd9Sstevel@tonic-gate if (ioflag == 0) 52417c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 52427c478bd9Sstevel@tonic-gate else 52437c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 52447c478bd9Sstevel@tonic-gate 52457c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 52467c478bd9Sstevel@tonic-gate 52477c478bd9Sstevel@tonic-gate out: 52487c478bd9Sstevel@tonic-gate if (in_crit) 52497c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 52507c478bd9Sstevel@tonic-gate } 52517c478bd9Sstevel@tonic-gate 52527c478bd9Sstevel@tonic-gate 52537c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 52547c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 52557c478bd9Sstevel@tonic-gate 52567c478bd9Sstevel@tonic-gate void 52577c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 52587c478bd9Sstevel@tonic-gate struct svc_req *req, cred_t *cr) 52597c478bd9Sstevel@tonic-gate { 52607c478bd9Sstevel@tonic-gate uint_t i; 52617c478bd9Sstevel@tonic-gate struct compound_state cs; 52627c478bd9Sstevel@tonic-gate 52637c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 52647c478bd9Sstevel@tonic-gate /* 52657c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 52667c478bd9Sstevel@tonic-gate */ 52677c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 52681b300de9Sjwahlig kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 52697c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 52707c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 52711b300de9Sjwahlig resp->tag.utf8string_len); 52727c478bd9Sstevel@tonic-gate 52737c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 52747c478bd9Sstevel@tonic-gate 52757c478bd9Sstevel@tonic-gate /* 52767c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 52777c478bd9Sstevel@tonic-gate */ 52787c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 52797c478bd9Sstevel@tonic-gate resp->array_len = 0; 52807c478bd9Sstevel@tonic-gate resp->array = NULL; 52817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 52827c478bd9Sstevel@tonic-gate return; 52837c478bd9Sstevel@tonic-gate } 52847c478bd9Sstevel@tonic-gate 52857c478bd9Sstevel@tonic-gate resp->array_len = args->array_len; 52867c478bd9Sstevel@tonic-gate resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 52871b300de9Sjwahlig KM_SLEEP); 52887c478bd9Sstevel@tonic-gate 52897c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 52907c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 52917c478bd9Sstevel@tonic-gate 52927c478bd9Sstevel@tonic-gate cr = crget(); 52937c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 52947c478bd9Sstevel@tonic-gate 52957c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 52967c478bd9Sstevel@tonic-gate crfree(cr); 52977c478bd9Sstevel@tonic-gate return; 52987c478bd9Sstevel@tonic-gate } 52997c478bd9Sstevel@tonic-gate 53007c478bd9Sstevel@tonic-gate cs.basecr = cr; 53017c478bd9Sstevel@tonic-gate 53027c478bd9Sstevel@tonic-gate cs.req = req; 53037c478bd9Sstevel@tonic-gate 53047c478bd9Sstevel@tonic-gate /* 53057c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 53067c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 53077c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 53087c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 53097c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 53107c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 53117c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 53127c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 53137c478bd9Sstevel@tonic-gate */ 53147c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 53157c478bd9Sstevel@tonic-gate 53167c478bd9Sstevel@tonic-gate /* 53177c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 53187c478bd9Sstevel@tonic-gate * new instances' grace periods. 53197c478bd9Sstevel@tonic-gate */ 53207c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 53217c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 53227c478bd9Sstevel@tonic-gate /* 53237c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 53247c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 53257c478bd9Sstevel@tonic-gate * is finished. 53267c478bd9Sstevel@tonic-gate */ 53277c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 53287c478bd9Sstevel@tonic-gate } 53297c478bd9Sstevel@tonic-gate 53307c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 53317c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 53327c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 53337c478bd9Sstevel@tonic-gate uint_t op; 53347c478bd9Sstevel@tonic-gate 53357c478bd9Sstevel@tonic-gate argop = &args->array[i]; 53367c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 53377c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 53387c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 53397c478bd9Sstevel@tonic-gate 53407c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 53417c478bd9Sstevel@tonic-gate /* 53427c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 53437c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 53447c478bd9Sstevel@tonic-gate */ 53457c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 53467c478bd9Sstevel@tonic-gate 53477c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 53481b300de9Sjwahlig (CE_NOTE, "Executing %s", rfs4_op_string[op])); 53497c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 53501b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 53511b300de9Sjwahlig rfs4_op_string[op], *cs.statusp)); 53527c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 53537c478bd9Sstevel@tonic-gate cs.cont = FALSE; 53547c478bd9Sstevel@tonic-gate } else { 53557c478bd9Sstevel@tonic-gate /* 53567c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 53577c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 53587c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 53597c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 53607c478bd9Sstevel@tonic-gate */ 53617c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 53627c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 53637c478bd9Sstevel@tonic-gate 53647c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 53657c478bd9Sstevel@tonic-gate cs.cont = FALSE; 53667c478bd9Sstevel@tonic-gate } 53677c478bd9Sstevel@tonic-gate 53687c478bd9Sstevel@tonic-gate /* 53697c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 53707c478bd9Sstevel@tonic-gate * compact the results array. 53717c478bd9Sstevel@tonic-gate */ 53727c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 53737c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 53741b300de9Sjwahlig (i+1) * sizeof (nfs_resop4), KM_SLEEP); 53757c478bd9Sstevel@tonic-gate bcopy(resp->array, 53761b300de9Sjwahlig new_res, (i+1) * sizeof (nfs_resop4)); 53777c478bd9Sstevel@tonic-gate kmem_free(resp->array, 53781b300de9Sjwahlig args->array_len * sizeof (nfs_resop4)); 53797c478bd9Sstevel@tonic-gate 53807c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 53817c478bd9Sstevel@tonic-gate resp->array = new_res; 53827c478bd9Sstevel@tonic-gate } 53837c478bd9Sstevel@tonic-gate } 53847c478bd9Sstevel@tonic-gate 53857c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 53867c478bd9Sstevel@tonic-gate 53877c478bd9Sstevel@tonic-gate if (cs.vp) 53887c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 53897c478bd9Sstevel@tonic-gate if (cs.saved_vp) 53907c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 53917c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 53927c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 53937c478bd9Sstevel@tonic-gate 53947c478bd9Sstevel@tonic-gate if (cs.basecr) 53957c478bd9Sstevel@tonic-gate crfree(cs.basecr); 53967c478bd9Sstevel@tonic-gate if (cs.cr) 53977c478bd9Sstevel@tonic-gate crfree(cs.cr); 539845916cd2Sjpk /* 539945916cd2Sjpk * done with this compound request, free the label 540045916cd2Sjpk */ 540145916cd2Sjpk 540245916cd2Sjpk if (req->rq_label != NULL) { 540345916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 540445916cd2Sjpk req->rq_label = NULL; 540545916cd2Sjpk } 54067c478bd9Sstevel@tonic-gate } 54077c478bd9Sstevel@tonic-gate 54087c478bd9Sstevel@tonic-gate /* 54097c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 54107c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 54117c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 54127c478bd9Sstevel@tonic-gate */ 54137c478bd9Sstevel@tonic-gate void 54147c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 54157c478bd9Sstevel@tonic-gate { 54167c478bd9Sstevel@tonic-gate uint_t i; 54177c478bd9Sstevel@tonic-gate 54187c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 54197c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 54207c478bd9Sstevel@tonic-gate } 54217c478bd9Sstevel@tonic-gate 54227c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 54237c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 54247c478bd9Sstevel@tonic-gate uint_t op; 54257c478bd9Sstevel@tonic-gate 54267c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 54277c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 54287c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 54297c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 54307c478bd9Sstevel@tonic-gate } 54317c478bd9Sstevel@tonic-gate } 54327c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 54337c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 54347c478bd9Sstevel@tonic-gate } 54357c478bd9Sstevel@tonic-gate } 54367c478bd9Sstevel@tonic-gate 54377c478bd9Sstevel@tonic-gate /* 54387c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 54397c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 54407c478bd9Sstevel@tonic-gate */ 54417c478bd9Sstevel@tonic-gate void 54427c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 54437c478bd9Sstevel@tonic-gate { 54447c478bd9Sstevel@tonic-gate int i; 54457c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 54467c478bd9Sstevel@tonic-gate 54477c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 54487c478bd9Sstevel@tonic-gate uint_t op; 54497c478bd9Sstevel@tonic-gate 54507c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 54517c478bd9Sstevel@tonic-gate 54527c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 54537c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 54547c478bd9Sstevel@tonic-gate else 54557c478bd9Sstevel@tonic-gate flag = 0; 54567c478bd9Sstevel@tonic-gate } 54577c478bd9Sstevel@tonic-gate *flagp = flag; 54587c478bd9Sstevel@tonic-gate } 54597c478bd9Sstevel@tonic-gate 54607c478bd9Sstevel@tonic-gate nfsstat4 54617c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 54627c478bd9Sstevel@tonic-gate { 54637c478bd9Sstevel@tonic-gate nfsstat4 e; 54647c478bd9Sstevel@tonic-gate 54657c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp->dbe); 54667c478bd9Sstevel@tonic-gate 54677c478bd9Sstevel@tonic-gate if (cp->sysidt != LM_NOSYSID) { 54687c478bd9Sstevel@tonic-gate *sp = cp->sysidt; 54697c478bd9Sstevel@tonic-gate e = NFS4_OK; 54707c478bd9Sstevel@tonic-gate 54717c478bd9Sstevel@tonic-gate } else if ((cp->sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 54727c478bd9Sstevel@tonic-gate *sp = cp->sysidt; 54737c478bd9Sstevel@tonic-gate e = NFS4_OK; 54747c478bd9Sstevel@tonic-gate 54757c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 54761b300de9Sjwahlig "rfs4_client_sysid: allocated 0x%x\n", *sp)); 54777c478bd9Sstevel@tonic-gate } else 54787c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 54797c478bd9Sstevel@tonic-gate 54807c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp->dbe); 54817c478bd9Sstevel@tonic-gate return (e); 54827c478bd9Sstevel@tonic-gate } 54837c478bd9Sstevel@tonic-gate 54847c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 54857c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 54867c478bd9Sstevel@tonic-gate { 54877c478bd9Sstevel@tonic-gate char *op, *type; 54887c478bd9Sstevel@tonic-gate 54897c478bd9Sstevel@tonic-gate switch (operation) { 54907c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 54917c478bd9Sstevel@tonic-gate break; 54927c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 54937c478bd9Sstevel@tonic-gate break; 5494da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 5495da6c28aaSamw 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", 55121b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 55131b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 55147c478bd9Sstevel@tonic-gate } 55157c478bd9Sstevel@tonic-gate 55167c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 55177c478bd9Sstevel@tonic-gate #else 55187c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 55197c478bd9Sstevel@tonic-gate #endif 55207c478bd9Sstevel@tonic-gate 55217c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 55227c478bd9Sstevel@tonic-gate static bool_t 55237c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 55247c478bd9Sstevel@tonic-gate { 55257c478bd9Sstevel@tonic-gate return (TRUE); 55267c478bd9Sstevel@tonic-gate } 55277c478bd9Sstevel@tonic-gate 55287c478bd9Sstevel@tonic-gate /* 55297c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 55307c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 55317c478bd9Sstevel@tonic-gate */ 55327c478bd9Sstevel@tonic-gate 55337c478bd9Sstevel@tonic-gate static nfsstat4 55347c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 55357c478bd9Sstevel@tonic-gate struct compound_state *cs) 55367c478bd9Sstevel@tonic-gate { 55377c478bd9Sstevel@tonic-gate char *nm; 55387c478bd9Sstevel@tonic-gate uint32_t len; 55397c478bd9Sstevel@tonic-gate nfsstat4 status; 55407c478bd9Sstevel@tonic-gate 55417c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 55427c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 55437c478bd9Sstevel@tonic-gate } 55447c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 55457c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 55467c478bd9Sstevel@tonic-gate } 55477c478bd9Sstevel@tonic-gate 55487c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 55497c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 55507c478bd9Sstevel@tonic-gate 55517c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 55527c478bd9Sstevel@tonic-gate if (nm == NULL) { 55537c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 55547c478bd9Sstevel@tonic-gate } 55557c478bd9Sstevel@tonic-gate 55567c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 55577c478bd9Sstevel@tonic-gate kmem_free(nm, len); 55587c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 55597c478bd9Sstevel@tonic-gate } 55607c478bd9Sstevel@tonic-gate 55617c478bd9Sstevel@tonic-gate status = do_rfs4_op_lookup(nm, len, req, cs); 55627c478bd9Sstevel@tonic-gate 55637c478bd9Sstevel@tonic-gate kmem_free(nm, len); 55647c478bd9Sstevel@tonic-gate 55657c478bd9Sstevel@tonic-gate return (status); 55667c478bd9Sstevel@tonic-gate } 55677c478bd9Sstevel@tonic-gate 55687c478bd9Sstevel@tonic-gate static nfsstat4 55697c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 55707c478bd9Sstevel@tonic-gate struct compound_state *cs, uint32_t access, 55717c478bd9Sstevel@tonic-gate change_info4 *cinfo) 55727c478bd9Sstevel@tonic-gate { 55737c478bd9Sstevel@tonic-gate nfsstat4 status; 55747c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 55757c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 55767c478bd9Sstevel@tonic-gate int error; 55777c478bd9Sstevel@tonic-gate 55787c478bd9Sstevel@tonic-gate /* Get "before" change value */ 55797c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 5580da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 55817c478bd9Sstevel@tonic-gate if (error) 55827c478bd9Sstevel@tonic-gate return (puterrno4(error)); 55837c478bd9Sstevel@tonic-gate 55847c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 55857c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 55867c478bd9Sstevel@tonic-gate 55877c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 55887c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 55897c478bd9Sstevel@tonic-gate VN_RELE(dvp); 55907c478bd9Sstevel@tonic-gate return (status); 55917c478bd9Sstevel@tonic-gate } 55927c478bd9Sstevel@tonic-gate 55937c478bd9Sstevel@tonic-gate /* 55947c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 55957c478bd9Sstevel@tonic-gate * before value. 55967c478bd9Sstevel@tonic-gate */ 55977c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 5598da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 55997c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 56007c478bd9Sstevel@tonic-gate ava.va_seq = 0; 56017c478bd9Sstevel@tonic-gate } 56027c478bd9Sstevel@tonic-gate VN_RELE(dvp); 56037c478bd9Sstevel@tonic-gate 56047c478bd9Sstevel@tonic-gate /* 56057c478bd9Sstevel@tonic-gate * Validate the file is a file 56067c478bd9Sstevel@tonic-gate */ 56077c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 5608da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 56097c478bd9Sstevel@tonic-gate if (error) 56107c478bd9Sstevel@tonic-gate return (puterrno4(error)); 56117c478bd9Sstevel@tonic-gate 56127c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 56137c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 56147c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 56157c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 56167c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 56177c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 56187c478bd9Sstevel@tonic-gate } 56197c478bd9Sstevel@tonic-gate 56207c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 56217c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 56227c478bd9Sstevel@tonic-gate 56237c478bd9Sstevel@tonic-gate /* 56247c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 56257c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 56267c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 56277c478bd9Sstevel@tonic-gate */ 56287c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 56297c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 56307c478bd9Sstevel@tonic-gate else 56317c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 56327c478bd9Sstevel@tonic-gate 56337c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 56347c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 56357c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 56367c478bd9Sstevel@tonic-gate } 56377c478bd9Sstevel@tonic-gate 56387c478bd9Sstevel@tonic-gate static nfsstat4 56397c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 56407c478bd9Sstevel@tonic-gate timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 56417c478bd9Sstevel@tonic-gate { 56427c478bd9Sstevel@tonic-gate int error; 56437c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 56447c478bd9Sstevel@tonic-gate vattr_t va; 56457c478bd9Sstevel@tonic-gate 56467c478bd9Sstevel@tonic-gate tryagain: 56477c478bd9Sstevel@tonic-gate 56487c478bd9Sstevel@tonic-gate /* 56497c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 56507c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 56517c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 56527c478bd9Sstevel@tonic-gate * passed as part of the arguments. 56537c478bd9Sstevel@tonic-gate */ 56547c478bd9Sstevel@tonic-gate 56557c478bd9Sstevel@tonic-gate *created = TRUE; 5656da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 56577c478bd9Sstevel@tonic-gate 56587c478bd9Sstevel@tonic-gate if (error) { 56597c478bd9Sstevel@tonic-gate *created = FALSE; 56607c478bd9Sstevel@tonic-gate 56617c478bd9Sstevel@tonic-gate /* 56627c478bd9Sstevel@tonic-gate * If we got something other than file already exists 56637c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 56647c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 56657c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 56667c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 56677c478bd9Sstevel@tonic-gate * exclusive create request. 56687c478bd9Sstevel@tonic-gate * 56697c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 56707c478bd9Sstevel@tonic-gate * request will never return EEXIST. 56717c478bd9Sstevel@tonic-gate */ 56727c478bd9Sstevel@tonic-gate 56737c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 56747c478bd9Sstevel@tonic-gate status = puterrno4(error); 56757c478bd9Sstevel@tonic-gate return (status); 56767c478bd9Sstevel@tonic-gate } 5677da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 5678da6c28aaSamw NULL, NULL, NULL); 56797c478bd9Sstevel@tonic-gate 56807c478bd9Sstevel@tonic-gate if (error) { 56817c478bd9Sstevel@tonic-gate /* 56827c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 56837c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 56847c478bd9Sstevel@tonic-gate * it again. 56857c478bd9Sstevel@tonic-gate */ 56867c478bd9Sstevel@tonic-gate if (error == ENOENT) 56877c478bd9Sstevel@tonic-gate goto tryagain; 56887c478bd9Sstevel@tonic-gate 56897c478bd9Sstevel@tonic-gate status = puterrno4(error); 56907c478bd9Sstevel@tonic-gate return (status); 56917c478bd9Sstevel@tonic-gate } 56927c478bd9Sstevel@tonic-gate 56937c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 56947c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 56957c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 56967c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 56977c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 56987c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 56997c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 57007c478bd9Sstevel@tonic-gate else 57017c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 57027c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 57037c478bd9Sstevel@tonic-gate return (status); 57047c478bd9Sstevel@tonic-gate } 57057c478bd9Sstevel@tonic-gate 57067c478bd9Sstevel@tonic-gate return (NFS4_OK); 57077c478bd9Sstevel@tonic-gate } 57087c478bd9Sstevel@tonic-gate 57097c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 57107c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 57117c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 5712da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 57137c478bd9Sstevel@tonic-gate if (!error) { 57147c478bd9Sstevel@tonic-gate /* We found the file */ 57157c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 57167c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 57177c478bd9Sstevel@tonic-gate /* but its not our creation */ 57187c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 57197c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 57207c478bd9Sstevel@tonic-gate } 57217c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 57227c478bd9Sstevel@tonic-gate return (NFS4_OK); 57237c478bd9Sstevel@tonic-gate } 57247c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 57257c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 57267c478bd9Sstevel@tonic-gate } 57277c478bd9Sstevel@tonic-gate 57287c478bd9Sstevel@tonic-gate return (NFS4_OK); 57297c478bd9Sstevel@tonic-gate } 57307c478bd9Sstevel@tonic-gate 57317c478bd9Sstevel@tonic-gate static nfsstat4 57327c478bd9Sstevel@tonic-gate check_open_access(uint32_t access, 57337c478bd9Sstevel@tonic-gate struct compound_state *cs, struct svc_req *req) 57347c478bd9Sstevel@tonic-gate { 57357c478bd9Sstevel@tonic-gate int error; 57367c478bd9Sstevel@tonic-gate vnode_t *vp; 57377c478bd9Sstevel@tonic-gate bool_t readonly; 57387c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 57397c478bd9Sstevel@tonic-gate 57407c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 57417c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 57427c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 57437c478bd9Sstevel@tonic-gate } 57447c478bd9Sstevel@tonic-gate 57457c478bd9Sstevel@tonic-gate vp = cs->vp; 57467c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 57477c478bd9Sstevel@tonic-gate 57487c478bd9Sstevel@tonic-gate /* 57497c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 57507c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 57517c478bd9Sstevel@tonic-gate */ 57527c478bd9Sstevel@tonic-gate 57537c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 57547c478bd9Sstevel@tonic-gate 57557c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 57567c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 57577c478bd9Sstevel@tonic-gate 57587c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 5759da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 5760da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 57617c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 57627c478bd9Sstevel@tonic-gate } 57637c478bd9Sstevel@tonic-gate } 57647c478bd9Sstevel@tonic-gate 57657c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 5766da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 57677c478bd9Sstevel@tonic-gate if (error) 57687c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 57697c478bd9Sstevel@tonic-gate } 57707c478bd9Sstevel@tonic-gate 57717c478bd9Sstevel@tonic-gate return (NFS4_OK); 57727c478bd9Sstevel@tonic-gate } 57737c478bd9Sstevel@tonic-gate 57747c478bd9Sstevel@tonic-gate static nfsstat4 57757c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 57767c478bd9Sstevel@tonic-gate change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 57777c478bd9Sstevel@tonic-gate { 57787c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 57797c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 57807c478bd9Sstevel@tonic-gate 57817c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 57827c478bd9Sstevel@tonic-gate struct statvfs64 sb; 57837c478bd9Sstevel@tonic-gate nfsstat4 status; 57847c478bd9Sstevel@tonic-gate vnode_t *vp; 57857c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 57867c478bd9Sstevel@tonic-gate vnode_t *dvp; 57877c478bd9Sstevel@tonic-gate timespec32_t *mtime; 57887c478bd9Sstevel@tonic-gate char *nm = NULL; 57897c478bd9Sstevel@tonic-gate uint_t buflen; 57907c478bd9Sstevel@tonic-gate bool_t created; 57917c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 57927c478bd9Sstevel@tonic-gate len_t reqsize; 57937c478bd9Sstevel@tonic-gate int error; 57947c478bd9Sstevel@tonic-gate bool_t trunc; 57957c478bd9Sstevel@tonic-gate caller_context_t ct; 57967c478bd9Sstevel@tonic-gate component4 *component; 579745916cd2Sjpk bslabel_t *clabel; 57987c478bd9Sstevel@tonic-gate 57997c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 58007c478bd9Sstevel@tonic-gate 58017c478bd9Sstevel@tonic-gate dvp = cs->vp; 58027c478bd9Sstevel@tonic-gate 58037c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 58047c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 58057c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 58067c478bd9Sstevel@tonic-gate 580745916cd2Sjpk /* check the label of including directory */ 580845916cd2Sjpk if (is_system_labeled()) { 580945916cd2Sjpk ASSERT(req->rq_label != NULL); 581045916cd2Sjpk clabel = req->rq_label; 581145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 581245916cd2Sjpk "got client label from request(1)", 581345916cd2Sjpk struct svc_req *, req); 581445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 581503986916Sjarrett if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK)) { 581645916cd2Sjpk return (NFS4ERR_ACCESS); 581745916cd2Sjpk } 581845916cd2Sjpk } 581945916cd2Sjpk } 582045916cd2Sjpk 58217c478bd9Sstevel@tonic-gate /* 58227c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 58237c478bd9Sstevel@tonic-gate * the including directory on success. 58247c478bd9Sstevel@tonic-gate */ 58257c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 58267c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 58277c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 58287c478bd9Sstevel@tonic-gate 58297c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 58307c478bd9Sstevel@tonic-gate 58317c478bd9Sstevel@tonic-gate if (nm == NULL) 58327c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 58337c478bd9Sstevel@tonic-gate 58347c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 58357c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58367c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 58377c478bd9Sstevel@tonic-gate } 58387c478bd9Sstevel@tonic-gate 58397c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 5840da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 58417c478bd9Sstevel@tonic-gate if (error) { 58427c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58437c478bd9Sstevel@tonic-gate return (puterrno4(error)); 58447c478bd9Sstevel@tonic-gate } 58457c478bd9Sstevel@tonic-gate 58467c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 58477c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58487c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 58497c478bd9Sstevel@tonic-gate } 58507c478bd9Sstevel@tonic-gate 58517c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 58527c478bd9Sstevel@tonic-gate 58537c478bd9Sstevel@tonic-gate switch (args->mode) { 58547c478bd9Sstevel@tonic-gate case GUARDED4: 58557c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 58567c478bd9Sstevel@tonic-gate case UNCHECKED4: 58577c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 58587c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 58597c478bd9Sstevel@tonic-gate 58607c478bd9Sstevel@tonic-gate *attrset = 0; 58617c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 58621b300de9Sjwahlig &args->createhow4_u.createattrs, 58631b300de9Sjwahlig cs, &sarg, &ntov, NFS4ATTR_SETIT); 58647c478bd9Sstevel@tonic-gate 58657c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 58667c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 58677c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 58687c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 58697c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 58707c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 58717c478bd9Sstevel@tonic-gate else 58727c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 58737c478bd9Sstevel@tonic-gate } 58747c478bd9Sstevel@tonic-gate 58757c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 58767c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58777c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 58787c478bd9Sstevel@tonic-gate *attrset = 0; 58797c478bd9Sstevel@tonic-gate return (status); 58807c478bd9Sstevel@tonic-gate } 58817c478bd9Sstevel@tonic-gate 58827c478bd9Sstevel@tonic-gate vap = sarg.vap; 58837c478bd9Sstevel@tonic-gate vap->va_type = VREG; 58847c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 58857c478bd9Sstevel@tonic-gate 58867c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 58877c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 58887c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 58897c478bd9Sstevel@tonic-gate } 58907c478bd9Sstevel@tonic-gate 58917c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 58927c478bd9Sstevel@tonic-gate 58937c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 58947c478bd9Sstevel@tonic-gate 58957c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 58967c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 58977c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 58987c478bd9Sstevel@tonic-gate *attrset = 0; 58997c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59007c478bd9Sstevel@tonic-gate } 59017c478bd9Sstevel@tonic-gate setsize = TRUE; 59027c478bd9Sstevel@tonic-gate } 59037c478bd9Sstevel@tonic-gate break; 59047c478bd9Sstevel@tonic-gate 59057c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 59067c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 59077c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 59087c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 59097c478bd9Sstevel@tonic-gate *attrset = 0; 59107c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59117c478bd9Sstevel@tonic-gate } 59127c478bd9Sstevel@tonic-gate 59137c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 59147c478bd9Sstevel@tonic-gate cva.va_type = VREG; 59157c478bd9Sstevel@tonic-gate /* 59167c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 59177c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 59187c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 59197c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 59207c478bd9Sstevel@tonic-gate */ 59217c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 59227c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 59237c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 59247c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 59257c478bd9Sstevel@tonic-gate vap = &cva; 59267c478bd9Sstevel@tonic-gate break; 59277c478bd9Sstevel@tonic-gate } 59287c478bd9Sstevel@tonic-gate 59297c478bd9Sstevel@tonic-gate status = create_vnode(dvp, nm, vap, args->mode, mtime, 59301b300de9Sjwahlig cs->cr, &vp, &created); 59317c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 59327c478bd9Sstevel@tonic-gate 59337c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 59347c478bd9Sstevel@tonic-gate if (ntov_table_init) 59357c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 59367c478bd9Sstevel@tonic-gate *attrset = 0; 59377c478bd9Sstevel@tonic-gate return (status); 59387c478bd9Sstevel@tonic-gate } 59397c478bd9Sstevel@tonic-gate 59407c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 59417c478bd9Sstevel@tonic-gate 59427c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 59437c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 59447c478bd9Sstevel@tonic-gate 59457c478bd9Sstevel@tonic-gate /* 59467c478bd9Sstevel@tonic-gate * True verification that object was created with correct 59477c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 59487c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 59497c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 59507c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 59517c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 59527c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 59537c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 59547c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 59557c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 59567c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 59577c478bd9Sstevel@tonic-gate * 59587c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 59597c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 59607c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 59617c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 59627c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 59637c478bd9Sstevel@tonic-gate */ 59647c478bd9Sstevel@tonic-gate if (created) { 59657c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 59667c478bd9Sstevel@tonic-gate *attrset &= createmask; 59677c478bd9Sstevel@tonic-gate } else { 59687c478bd9Sstevel@tonic-gate /* 59697c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 59707c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 59717c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 59727c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 59737c478bd9Sstevel@tonic-gate */ 59747c478bd9Sstevel@tonic-gate *attrset = 0; 59757c478bd9Sstevel@tonic-gate if (trunc) 59767c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 59777c478bd9Sstevel@tonic-gate } 59787c478bd9Sstevel@tonic-gate } 59797c478bd9Sstevel@tonic-gate if (ntov_table_init) 59807c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 59817c478bd9Sstevel@tonic-gate 59827c478bd9Sstevel@tonic-gate /* 59837c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 59847c478bd9Sstevel@tonic-gate * set to zero, time to before. 59857c478bd9Sstevel@tonic-gate */ 59867c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 5987da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 59887c478bd9Sstevel@tonic-gate iva.va_seq = 0; 59897c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 59907c478bd9Sstevel@tonic-gate } 59917c478bd9Sstevel@tonic-gate 59927c478bd9Sstevel@tonic-gate /* 59937c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 59947c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 59957c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 59967c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 59977c478bd9Sstevel@tonic-gate * we don't know what changed it. 59987c478bd9Sstevel@tonic-gate */ 59997c478bd9Sstevel@tonic-gate if (!created) { 60007c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 60011b300de9Sjwahlig bva.va_seq == iva.va_seq) 60027c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 60037c478bd9Sstevel@tonic-gate else 60047c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 60057c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 60067c478bd9Sstevel@tonic-gate } else { 60077c478bd9Sstevel@tonic-gate /* 60087c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 60097c478bd9Sstevel@tonic-gate * directory metadata. 60107c478bd9Sstevel@tonic-gate */ 6011da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 60127c478bd9Sstevel@tonic-gate 60137c478bd9Sstevel@tonic-gate /* 60147c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 60157c478bd9Sstevel@tonic-gate * before value. 60167c478bd9Sstevel@tonic-gate */ 60177c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6018da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 60197c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 60207c478bd9Sstevel@tonic-gate ava.va_seq = 0; 60217c478bd9Sstevel@tonic-gate } 60227c478bd9Sstevel@tonic-gate 60237c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 60247c478bd9Sstevel@tonic-gate 60257c478bd9Sstevel@tonic-gate /* 60267c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 60277c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 60287c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 60297c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 60307c478bd9Sstevel@tonic-gate */ 60317c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 60321b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 60337c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 60347c478bd9Sstevel@tonic-gate else 60357c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 60367c478bd9Sstevel@tonic-gate } 60377c478bd9Sstevel@tonic-gate 60387c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 60397c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 60407c478bd9Sstevel@tonic-gate if (setsize) 60417c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 60427c478bd9Sstevel@tonic-gate 60437c478bd9Sstevel@tonic-gate /* Assume the worst */ 60447c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 60457c478bd9Sstevel@tonic-gate 6046da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 60477c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 60487c478bd9Sstevel@tonic-gate 60497c478bd9Sstevel@tonic-gate /* 60507c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 60517c478bd9Sstevel@tonic-gate * the case for create over an existing file. 60527c478bd9Sstevel@tonic-gate */ 60537c478bd9Sstevel@tonic-gate 60547c478bd9Sstevel@tonic-gate if (trunc) { 60557c478bd9Sstevel@tonic-gate int in_crit = 0; 60567c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 60577c478bd9Sstevel@tonic-gate bool_t create = FALSE; 60587c478bd9Sstevel@tonic-gate 60597c478bd9Sstevel@tonic-gate /* 60607c478bd9Sstevel@tonic-gate * We are writing over an existing file. 60617c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 60627c478bd9Sstevel@tonic-gate */ 60637c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 60647c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 60657c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 60661b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 60677c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 60687c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 60697c478bd9Sstevel@tonic-gate VN_RELE(vp); 60707c478bd9Sstevel@tonic-gate *attrset = 0; 60717c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 60727c478bd9Sstevel@tonic-gate } 60737c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 60747c478bd9Sstevel@tonic-gate } 60757c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 60767c478bd9Sstevel@tonic-gate 60777c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 60787c478bd9Sstevel@tonic-gate in_crit = 1; 60797c478bd9Sstevel@tonic-gate 60807c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 60817c478bd9Sstevel@tonic-gate 60827c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 60837c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6084da6c28aaSamw cva.va_size, 0, NULL)) { 60857c478bd9Sstevel@tonic-gate in_crit = 0; 60867c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 60877c478bd9Sstevel@tonic-gate VN_RELE(vp); 60887c478bd9Sstevel@tonic-gate *attrset = 0; 60897c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 60907c478bd9Sstevel@tonic-gate } 60917c478bd9Sstevel@tonic-gate } 60927c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 60937c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 60947c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 60957c478bd9Sstevel@tonic-gate 60967c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 60977c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 60987c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 60997c478bd9Sstevel@tonic-gate if (in_crit) 61007c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 61017c478bd9Sstevel@tonic-gate } 61027c478bd9Sstevel@tonic-gate } 61037c478bd9Sstevel@tonic-gate 61047c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 61057c478bd9Sstevel@tonic-gate 61067c478bd9Sstevel@tonic-gate /* 61077c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 61087c478bd9Sstevel@tonic-gate */ 6109da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 61107c478bd9Sstevel@tonic-gate 61117c478bd9Sstevel@tonic-gate if (error) { 61127c478bd9Sstevel@tonic-gate VN_RELE(vp); 61137c478bd9Sstevel@tonic-gate *attrset = 0; 61147c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61157c478bd9Sstevel@tonic-gate } 61167c478bd9Sstevel@tonic-gate 61177c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 61187c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 61197c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 61207c478bd9Sstevel@tonic-gate 61217c478bd9Sstevel@tonic-gate if (cs->vp) 61227c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 61237c478bd9Sstevel@tonic-gate 61247c478bd9Sstevel@tonic-gate cs->vp = vp; 61257c478bd9Sstevel@tonic-gate 61267c478bd9Sstevel@tonic-gate /* 61277c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 61287c478bd9Sstevel@tonic-gate * the access bits on the file 61297c478bd9Sstevel@tonic-gate */ 61307c478bd9Sstevel@tonic-gate 61317c478bd9Sstevel@tonic-gate if (!created) { 61327c478bd9Sstevel@tonic-gate if (setsize) 61337c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 61347c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 61357c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 61367c478bd9Sstevel@tonic-gate *attrset = 0; 61377c478bd9Sstevel@tonic-gate } 61387c478bd9Sstevel@tonic-gate return (status); 61397c478bd9Sstevel@tonic-gate } 61407c478bd9Sstevel@tonic-gate 61417c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 61427c478bd9Sstevel@tonic-gate static void 61437c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 61447c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo, delegreq_t deleg, 61457c478bd9Sstevel@tonic-gate uint32_t access, uint32_t deny, 6146da6c28aaSamw OPEN4res *resp, int deleg_cur) 61477c478bd9Sstevel@tonic-gate { 61487c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 61497c478bd9Sstevel@tonic-gate rfs4_state_t *state; 61507c478bd9Sstevel@tonic-gate rfs4_file_t *file; 61517c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 61527c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 61537c478bd9Sstevel@tonic-gate uint32_t amodes; 61547c478bd9Sstevel@tonic-gate uint32_t dmodes; 61557c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 61567c478bd9Sstevel@tonic-gate struct shrlock shr; 61577c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 61587c478bd9Sstevel@tonic-gate sysid_t sysid; 61597c478bd9Sstevel@tonic-gate nfsstat4 status; 6160da6c28aaSamw caller_context_t ct; 61617c478bd9Sstevel@tonic-gate int fflags = 0; 61627c478bd9Sstevel@tonic-gate int recall = 0; 61637c478bd9Sstevel@tonic-gate int err; 6164da6c28aaSamw int cmd; 61657c478bd9Sstevel@tonic-gate 61667c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 61677c478bd9Sstevel@tonic-gate file = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 61687c478bd9Sstevel@tonic-gate if (file == NULL) { 61697c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 61701b300de9Sjwahlig (CE_NOTE, "rfs4_do_open: can't find file")); 61717c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 61727c478bd9Sstevel@tonic-gate return; 61737c478bd9Sstevel@tonic-gate } 61747c478bd9Sstevel@tonic-gate 61757c478bd9Sstevel@tonic-gate state = rfs4_findstate_by_owner_file(oo, file, &screate); 61767c478bd9Sstevel@tonic-gate if (state == NULL) { 61777c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 61781b300de9Sjwahlig (CE_NOTE, "rfs4_do_open: can't find state")); 61797c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 61807c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 61817c478bd9Sstevel@tonic-gate rfs4_file_rele_withunlock(file); 61827c478bd9Sstevel@tonic-gate return; 61837c478bd9Sstevel@tonic-gate } 61847c478bd9Sstevel@tonic-gate 6185fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 61867c478bd9Sstevel@tonic-gate if ((status = rfs4_client_sysid(oo->client, &sysid)) != NFS4_OK) { 61877c478bd9Sstevel@tonic-gate resp->status = status; 61887c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 61897c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 61907c478bd9Sstevel@tonic-gate if (screate == TRUE) 61917c478bd9Sstevel@tonic-gate rfs4_state_close(state, FALSE, FALSE, cs->cr); 61927c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 61937c478bd9Sstevel@tonic-gate return; 61947c478bd9Sstevel@tonic-gate } 61957c478bd9Sstevel@tonic-gate 6196da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6197da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6198da6c28aaSamw fflags |= FREAD; 6199da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6200da6c28aaSamw fflags |= FWRITE; 6201da6c28aaSamw 6202fd93bfc3Sjwahlig /* 6203fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6204fd93bfc3Sjwahlig * the file for this open owner; 6205fd93bfc3Sjwahlig */ 6206fd93bfc3Sjwahlig dmodes = (deny & ~state->share_deny); 6207fd93bfc3Sjwahlig amodes = (access & ~state->share_access); 62087c478bd9Sstevel@tonic-gate 6209fd93bfc3Sjwahlig /* 6210fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6211fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6212fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6213fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6214fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6215fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6216fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6217fd93bfc3Sjwahlig * on shares modes. 6218fd93bfc3Sjwahlig */ 62197c478bd9Sstevel@tonic-gate 6220fd93bfc3Sjwahlig if (dmodes || amodes) { 6221fd93bfc3Sjwahlig shr.s_access = (short)access; 6222fd93bfc3Sjwahlig shr.s_deny = (short)deny; 6223fd93bfc3Sjwahlig shr.s_pid = rfs4_dbe_getid(oo->dbe); 6224fd93bfc3Sjwahlig shr.s_sysid = sysid; 6225fd93bfc3Sjwahlig shr_loco.sl_pid = shr.s_pid; 6226fd93bfc3Sjwahlig shr_loco.sl_id = shr.s_sysid; 6227fd93bfc3Sjwahlig shr.s_owner = (caddr_t)&shr_loco; 6228fd93bfc3Sjwahlig shr.s_own_len = sizeof (shr_loco); 62297c478bd9Sstevel@tonic-gate 6230da6c28aaSamw cmd = nbl_need_check(cs->vp) ? F_SHARE_NBMAND : F_SHARE; 6231da6c28aaSamw if ((err = vop_shrlock(cs->vp, cmd, &shr, fflags)) != 0) { 6232fd93bfc3Sjwahlig 6233fd93bfc3Sjwahlig resp->status = err == EAGAIN ? 62341b300de9Sjwahlig NFS4ERR_SHARE_DENIED : puterrno4(err); 6235fd93bfc3Sjwahlig 6236fd93bfc3Sjwahlig rfs4_file_rele(file); 6237fd93bfc3Sjwahlig /* Not a fully formed open; "close" it */ 6238fd93bfc3Sjwahlig if (screate == TRUE) 6239fd93bfc3Sjwahlig rfs4_state_close(state, FALSE, FALSE, cs->cr); 6240fd93bfc3Sjwahlig rfs4_state_rele(state); 6241fd93bfc3Sjwahlig return; 6242fd93bfc3Sjwahlig } 62437c478bd9Sstevel@tonic-gate } 62447c478bd9Sstevel@tonic-gate 62457c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 62467c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 62477c478bd9Sstevel@tonic-gate 62487c478bd9Sstevel@tonic-gate /* 62497c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 62507c478bd9Sstevel@tonic-gate * recall needs to be done. 62517c478bd9Sstevel@tonic-gate */ 62527c478bd9Sstevel@tonic-gate if (rfs4_check_recall(state, access)) { 62537c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 62547c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 62557c478bd9Sstevel@tonic-gate rfs4_recall_deleg(file, FALSE, state->owner->client); 62567c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 62577c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 62587c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 62597c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 62607c478bd9Sstevel@tonic-gate if (rfs4_check_recall(state, access)) { 62617c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 62627c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 62637c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 62647c478bd9Sstevel@tonic-gate rfs4_update_lease(state->owner->client); 62657c478bd9Sstevel@tonic-gate (void) vop_shrlock(cs->vp, F_UNSHARE, &shr, fflags); 62667c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 62677c478bd9Sstevel@tonic-gate if (screate == TRUE) 62687c478bd9Sstevel@tonic-gate rfs4_state_close(state, FALSE, FALSE, cs->cr); 62697c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 62707c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 62717c478bd9Sstevel@tonic-gate return; 62727c478bd9Sstevel@tonic-gate } 62737c478bd9Sstevel@tonic-gate } 6274da6c28aaSamw /* 6275da6c28aaSamw * the share check passed and any delegation conflict has been 6276da6c28aaSamw * taken care of, now call vop_open. 6277da6c28aaSamw * if this is the first open then call vop_open with fflags. 6278da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6279da6c28aaSamw * 6280da6c28aaSamw * if the file has been opened already, it will have the current 6281da6c28aaSamw * access mode in the state struct. if it has no share access, then 6282da6c28aaSamw * this is a new open. 6283da6c28aaSamw * 6284da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6285da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6286da6c28aaSamw */ 6287da6c28aaSamw if (((state->share_access & OPEN4_SHARE_ACCESS_BOTH) == 0) && 6288da6c28aaSamw !deleg_cur) { 6289da6c28aaSamw ct.cc_sysid = sysid; 6290da6c28aaSamw ct.cc_pid = shr.s_pid; 6291da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 6292da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6293da6c28aaSamw if (err) { 6294da6c28aaSamw rfs4_dbe_unlock(file->dbe); 6295da6c28aaSamw rfs4_dbe_unlock(state->dbe); 6296da6c28aaSamw rfs4_file_rele(file); 6297da6c28aaSamw (void) vop_shrlock(cs->vp, F_UNSHARE, &shr, fflags); 6298da6c28aaSamw /* Not a fully formed open; "close" it */ 6299da6c28aaSamw if (screate == TRUE) 6300da6c28aaSamw rfs4_state_close(state, FALSE, FALSE, cs->cr); 6301da6c28aaSamw rfs4_state_rele(state); 6302da6c28aaSamw resp->status = NFS4ERR_SERVERFAULT; 6303da6c28aaSamw return; 6304da6c28aaSamw } 6305da6c28aaSamw } else { /* open upgrade */ 6306da6c28aaSamw /* 6307da6c28aaSamw * calculate the fflags for the new mode that is being added 6308da6c28aaSamw * by this upgrade. 6309da6c28aaSamw */ 6310da6c28aaSamw fflags = 0; 6311da6c28aaSamw if (amodes & OPEN4_SHARE_ACCESS_READ) 6312da6c28aaSamw fflags |= FREAD; 6313da6c28aaSamw if (amodes & OPEN4_SHARE_ACCESS_WRITE) 6314da6c28aaSamw fflags |= FWRITE; 6315da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6316da6c28aaSamw } 63177c478bd9Sstevel@tonic-gate 63187c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_READ) 63197c478bd9Sstevel@tonic-gate file->deny_read++; 63207c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_WRITE) 63217c478bd9Sstevel@tonic-gate file->deny_write++; 63227c478bd9Sstevel@tonic-gate file->share_deny |= deny; 63237c478bd9Sstevel@tonic-gate state->share_deny |= deny; 63247c478bd9Sstevel@tonic-gate 63257c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_READ) 63267c478bd9Sstevel@tonic-gate file->access_read++; 63277c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_WRITE) 63287c478bd9Sstevel@tonic-gate file->access_write++; 63297c478bd9Sstevel@tonic-gate file->share_access |= access; 63307c478bd9Sstevel@tonic-gate state->share_access |= access; 63317c478bd9Sstevel@tonic-gate 63327c478bd9Sstevel@tonic-gate /* 63337c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 63347c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 63357c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 63367c478bd9Sstevel@tonic-gate * set the recall flag. 63377c478bd9Sstevel@tonic-gate */ 63387c478bd9Sstevel@tonic-gate 63397c478bd9Sstevel@tonic-gate dsp = rfs4_grant_delegation(deleg, state, &recall); 63407c478bd9Sstevel@tonic-gate 63417c478bd9Sstevel@tonic-gate cs->deleg = (file->dinfo->dtype == OPEN_DELEGATE_WRITE); 63427c478bd9Sstevel@tonic-gate 63437c478bd9Sstevel@tonic-gate next_stateid(&state->stateid); 63447c478bd9Sstevel@tonic-gate 63457c478bd9Sstevel@tonic-gate resp->stateid = state->stateid.stateid; 63467c478bd9Sstevel@tonic-gate 63477c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 63487c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 63497c478bd9Sstevel@tonic-gate 63507c478bd9Sstevel@tonic-gate if (dsp) { 63517c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 63527c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 63537c478bd9Sstevel@tonic-gate } 63547c478bd9Sstevel@tonic-gate 63557c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 63567c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 63577c478bd9Sstevel@tonic-gate 63587c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 63597c478bd9Sstevel@tonic-gate } 63607c478bd9Sstevel@tonic-gate 63617c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 63627c478bd9Sstevel@tonic-gate static void 63637c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 63647c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 63657c478bd9Sstevel@tonic-gate { 63667c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 63677c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 63707c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 63711b300de9Sjwahlig req, cs, args->share_access, cinfo); 63727c478bd9Sstevel@tonic-gate else { 63737c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 63747c478bd9Sstevel@tonic-gate 63757c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 63767c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 63777c478bd9Sstevel@tonic-gate 63787c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 63791b300de9Sjwahlig oo->client->clientid); 63807c478bd9Sstevel@tonic-gate } 63817c478bd9Sstevel@tonic-gate 63827c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 63837c478bd9Sstevel@tonic-gate 63847c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 63857c478bd9Sstevel@tonic-gate 63867c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_ANY, args->share_access, 6387da6c28aaSamw args->share_deny, resp, 0); 63887c478bd9Sstevel@tonic-gate 63897c478bd9Sstevel@tonic-gate /* 63907c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 63917c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 63927c478bd9Sstevel@tonic-gate */ 63937c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 63947c478bd9Sstevel@tonic-gate resp->attrset = 0; 63957c478bd9Sstevel@tonic-gate } 63967c478bd9Sstevel@tonic-gate } 63977c478bd9Sstevel@tonic-gate else 63987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 63997c478bd9Sstevel@tonic-gate 64007c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 64017c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 64027c478bd9Sstevel@tonic-gate } 64037c478bd9Sstevel@tonic-gate 64047c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 64057c478bd9Sstevel@tonic-gate static void 64067c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 64077c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 64087c478bd9Sstevel@tonic-gate { 64097c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 64107c478bd9Sstevel@tonic-gate vattr_t va; 64117c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 64127c478bd9Sstevel@tonic-gate int error = 0; 64137c478bd9Sstevel@tonic-gate 64147c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 64157c478bd9Sstevel@tonic-gate if (v_type != VREG) { 64167c478bd9Sstevel@tonic-gate if (v_type == VDIR) 64177c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 64187c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 64197c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 64207c478bd9Sstevel@tonic-gate else 64217c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 64227c478bd9Sstevel@tonic-gate return; 64237c478bd9Sstevel@tonic-gate } 64247c478bd9Sstevel@tonic-gate 64257c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 6426da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 64277c478bd9Sstevel@tonic-gate if (error) { 64287c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 64297c478bd9Sstevel@tonic-gate return; 64307c478bd9Sstevel@tonic-gate } 64317c478bd9Sstevel@tonic-gate 64327c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 64337c478bd9Sstevel@tonic-gate 64347c478bd9Sstevel@tonic-gate /* 64357c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 64367c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 64377c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 64387c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 64397c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 64407c478bd9Sstevel@tonic-gate */ 64417c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 64427c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 64437c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 64447c478bd9Sstevel@tonic-gate return; 64457c478bd9Sstevel@tonic-gate } 64467c478bd9Sstevel@tonic-gate } 64477c478bd9Sstevel@tonic-gate 64487c478bd9Sstevel@tonic-gate /* 64497c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 64507c478bd9Sstevel@tonic-gate */ 64517c478bd9Sstevel@tonic-gate cinfo->before = 0; 64527c478bd9Sstevel@tonic-gate cinfo->after = 0; 64537c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 64547c478bd9Sstevel@tonic-gate 64557c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 64561b300de9Sjwahlig NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 6457da6c28aaSamw args->share_access, args->share_deny, resp, 0); 64587c478bd9Sstevel@tonic-gate } 64597c478bd9Sstevel@tonic-gate 64607c478bd9Sstevel@tonic-gate static void 64617c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 64627c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 64637c478bd9Sstevel@tonic-gate { 64647c478bd9Sstevel@tonic-gate int error; 64657c478bd9Sstevel@tonic-gate nfsstat4 status; 64667c478bd9Sstevel@tonic-gate stateid4 stateid = 64671b300de9Sjwahlig args->open_claim4_u.delegate_cur_info.delegate_stateid; 64687c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 64697c478bd9Sstevel@tonic-gate 64707c478bd9Sstevel@tonic-gate /* 64717c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 64727c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 64737c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 64747c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 64757c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 64767c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 64777c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 64787c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 64797c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 64807c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 64817c478bd9Sstevel@tonic-gate */ 64827c478bd9Sstevel@tonic-gate 64837c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 64847c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64857c478bd9Sstevel@tonic-gate resp->status = status; 64867c478bd9Sstevel@tonic-gate return; 64877c478bd9Sstevel@tonic-gate } 64887c478bd9Sstevel@tonic-gate 64897c478bd9Sstevel@tonic-gate ASSERT(dsp->finfo->dinfo->dtype != OPEN_DELEGATE_NONE); 64907c478bd9Sstevel@tonic-gate 64917c478bd9Sstevel@tonic-gate /* 64927c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 64937c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 64947c478bd9Sstevel@tonic-gate */ 64957c478bd9Sstevel@tonic-gate 64967c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 64977c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 64987c478bd9Sstevel@tonic-gate VN_HOLD(dsp->finfo->vp); 64997c478bd9Sstevel@tonic-gate cs->vp = dsp->finfo->vp; 65007c478bd9Sstevel@tonic-gate 65017c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 65027c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 65037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 65047c478bd9Sstevel@tonic-gate return; 65057c478bd9Sstevel@tonic-gate } 65067c478bd9Sstevel@tonic-gate 65077c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 65087c478bd9Sstevel@tonic-gate dsp->finfo->dinfo->time_lastwrite = gethrestime_sec(); 65097c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 65107c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 6511da6c28aaSamw args->share_access, args->share_deny, resp, 1); 65127c478bd9Sstevel@tonic-gate } 65137c478bd9Sstevel@tonic-gate 65147c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 65157c478bd9Sstevel@tonic-gate static void 65167c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 65177c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 65187c478bd9Sstevel@tonic-gate { 65197c478bd9Sstevel@tonic-gate /* 65207c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 65217c478bd9Sstevel@tonic-gate * was delegated. 65227c478bd9Sstevel@tonic-gate * 65237c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 65247c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 65257c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 65267c478bd9Sstevel@tonic-gate * 65277c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 65287c478bd9Sstevel@tonic-gate */ 65297c478bd9Sstevel@tonic-gate rfs4_file_t *file; 65307c478bd9Sstevel@tonic-gate rfs4_state_t *state; 65317c478bd9Sstevel@tonic-gate bool_t create = FALSE; 65327c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 65337c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 65347c478bd9Sstevel@tonic-gate nfsace4 *ace; 65357c478bd9Sstevel@tonic-gate 65367c478bd9Sstevel@tonic-gate 65377c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 65387c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 65391b300de9Sjwahlig req, cs, args->share_access, &resp->cinfo); 65407c478bd9Sstevel@tonic-gate 65417c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 65427c478bd9Sstevel@tonic-gate return; 65437c478bd9Sstevel@tonic-gate } 65447c478bd9Sstevel@tonic-gate 65457c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 65467c478bd9Sstevel@tonic-gate file = rfs4_findfile_withlock(cs->vp, NULL, &create); 65477c478bd9Sstevel@tonic-gate if (file == NULL) { 65487c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65491b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: can't find file")); 65507c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65517c478bd9Sstevel@tonic-gate return; 65527c478bd9Sstevel@tonic-gate } 65537c478bd9Sstevel@tonic-gate 65547c478bd9Sstevel@tonic-gate state = rfs4_findstate_by_owner_file(oo, file, &create); 65557c478bd9Sstevel@tonic-gate if (state == NULL) { 65567c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65571b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: can't find state")); 65587c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65597c478bd9Sstevel@tonic-gate rfs4_file_rele_withunlock(file); 65607c478bd9Sstevel@tonic-gate return; 65617c478bd9Sstevel@tonic-gate } 65627c478bd9Sstevel@tonic-gate 65637c478bd9Sstevel@tonic-gate rfs4_dbe_lock(state->dbe); 65647c478bd9Sstevel@tonic-gate rfs4_dbe_lock(file->dbe); 65657c478bd9Sstevel@tonic-gate if (args->share_access != state->share_access || 65661b300de9Sjwahlig args->share_deny != state->share_deny || 65671b300de9Sjwahlig state->finfo->dinfo->dtype == OPEN_DELEGATE_NONE) { 65687c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65691b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 65707c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 65717c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 65727c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 65737c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 65747c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65757c478bd9Sstevel@tonic-gate return; 65767c478bd9Sstevel@tonic-gate } 65777c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(file->dbe); 65787c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(state->dbe); 65797c478bd9Sstevel@tonic-gate 65807c478bd9Sstevel@tonic-gate dsp = rfs4_finddeleg(state, &dcreate); 65817c478bd9Sstevel@tonic-gate if (dsp == NULL) { 65827c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 65837c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 65847c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 65857c478bd9Sstevel@tonic-gate return; 65867c478bd9Sstevel@tonic-gate } 65877c478bd9Sstevel@tonic-gate 65887c478bd9Sstevel@tonic-gate next_stateid(&state->stateid); 65897c478bd9Sstevel@tonic-gate 65907c478bd9Sstevel@tonic-gate resp->stateid = state->stateid.stateid; 65917c478bd9Sstevel@tonic-gate 65927c478bd9Sstevel@tonic-gate resp->delegation.delegation_type = dsp->dtype; 65937c478bd9Sstevel@tonic-gate 65947c478bd9Sstevel@tonic-gate if (dsp->dtype == OPEN_DELEGATE_READ) { 65957c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 65961b300de9Sjwahlig &resp->delegation.open_delegation4_u.read; 65977c478bd9Sstevel@tonic-gate 65987c478bd9Sstevel@tonic-gate rv->stateid = dsp->delegid.stateid; 65997c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 66007c478bd9Sstevel@tonic-gate ace = &rv->permissions; 66017c478bd9Sstevel@tonic-gate } else { 66027c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 66031b300de9Sjwahlig &resp->delegation.open_delegation4_u.write; 66047c478bd9Sstevel@tonic-gate 66057c478bd9Sstevel@tonic-gate rv->stateid = dsp->delegid.stateid; 66067c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 66077c478bd9Sstevel@tonic-gate ace = &rv->permissions; 66087c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 66097c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 66107c478bd9Sstevel@tonic-gate } 66117c478bd9Sstevel@tonic-gate 66127c478bd9Sstevel@tonic-gate /* XXX For now */ 66137c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 66147c478bd9Sstevel@tonic-gate ace->flag = 0; 66157c478bd9Sstevel@tonic-gate ace->access_mask = 0; 66167c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 66177c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 66187c478bd9Sstevel@tonic-gate 66197c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 66207c478bd9Sstevel@tonic-gate rfs4_state_rele(state); 66217c478bd9Sstevel@tonic-gate rfs4_file_rele(file); 66227c478bd9Sstevel@tonic-gate } 66237c478bd9Sstevel@tonic-gate 66247c478bd9Sstevel@tonic-gate typedef enum { 66257c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 66267c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 66277c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 66287c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 66297c478bd9Sstevel@tonic-gate 66307c478bd9Sstevel@tonic-gate /* 66317c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 66327c478bd9Sstevel@tonic-gate */ 66337c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66347c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 66357c478bd9Sstevel@tonic-gate seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 66367c478bd9Sstevel@tonic-gate { 66377c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 66387c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 66397c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 66407c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 66417c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 66427c478bd9Sstevel@tonic-gate } 66437c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 66441b300de9Sjwahlig "Replayed SEQID %d\n", seqid)); 66457c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 66467c478bd9Sstevel@tonic-gate } 66477c478bd9Sstevel@tonic-gate 66487c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 66497c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 66507c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 66517c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 66521b300de9Sjwahlig (CE_NOTE, "BAD SEQID: Replayed sequence id " 66531b300de9Sjwahlig "but last op was %d current op is %d\n", 66541b300de9Sjwahlig lastop->resop, resop->resop)); 66557c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 66567c478bd9Sstevel@tonic-gate } 66577c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 66581b300de9Sjwahlig (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 66591b300de9Sjwahlig rqst_seq, seqid)); 66607c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 66617c478bd9Sstevel@tonic-gate } 66627c478bd9Sstevel@tonic-gate 66637c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 66647c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 66657c478bd9Sstevel@tonic-gate } 66667c478bd9Sstevel@tonic-gate 66677c478bd9Sstevel@tonic-gate 66687c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66697c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 66707c478bd9Sstevel@tonic-gate { 66717c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 66727c478bd9Sstevel@tonic-gate 66737c478bd9Sstevel@tonic-gate rfs4_dbe_lock(op->dbe); 66747c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(op->open_seqid, op->reply, seqid, resop, TRUE); 66757c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(op->dbe); 66767c478bd9Sstevel@tonic-gate 66777c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 66787c478bd9Sstevel@tonic-gate rfs4_update_lease(op->client); 66797c478bd9Sstevel@tonic-gate 66807c478bd9Sstevel@tonic-gate return (rc); 66817c478bd9Sstevel@tonic-gate } 66827c478bd9Sstevel@tonic-gate 66837c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66847c478bd9Sstevel@tonic-gate rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, 66857c478bd9Sstevel@tonic-gate nfs_resop4 *resop) 66867c478bd9Sstevel@tonic-gate { 66877c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 66887c478bd9Sstevel@tonic-gate 66897c478bd9Sstevel@tonic-gate rfs4_dbe_lock(op->dbe); 66907c478bd9Sstevel@tonic-gate rc = rfs4_check_seqid(op->open_seqid, op->reply, 66911b300de9Sjwahlig olo_seqid, resop, FALSE); 66927c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(op->dbe); 66937c478bd9Sstevel@tonic-gate 66947c478bd9Sstevel@tonic-gate return (rc); 66957c478bd9Sstevel@tonic-gate } 66967c478bd9Sstevel@tonic-gate 66977c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 66987c478bd9Sstevel@tonic-gate rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lp, nfs_resop4 *resop) 66997c478bd9Sstevel@tonic-gate { 67007c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 67017c478bd9Sstevel@tonic-gate 67027c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lp->dbe); 67037c478bd9Sstevel@tonic-gate if (!lp->skip_seqid_check) 67041b300de9Sjwahlig rc = rfs4_check_seqid(lp->seqid, lp->reply, seqid, resop, TRUE); 67057c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lp->dbe); 67067c478bd9Sstevel@tonic-gate 67077c478bd9Sstevel@tonic-gate return (rc); 67087c478bd9Sstevel@tonic-gate } 67097c478bd9Sstevel@tonic-gate 67107c478bd9Sstevel@tonic-gate static void 67117c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 67127c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 67137c478bd9Sstevel@tonic-gate { 67147c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 67157c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 67167c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 67177c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 67187c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 67197c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 67207c478bd9Sstevel@tonic-gate bool_t create; 67217c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 67227c478bd9Sstevel@tonic-gate int can_reclaim; 67237c478bd9Sstevel@tonic-gate 67247c478bd9Sstevel@tonic-gate 67257c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 67267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 67277c478bd9Sstevel@tonic-gate return; 67287c478bd9Sstevel@tonic-gate } 67297c478bd9Sstevel@tonic-gate 67307c478bd9Sstevel@tonic-gate /* 67317c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 67327c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 67337c478bd9Sstevel@tonic-gate */ 67347c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 67357c478bd9Sstevel@tonic-gate if (cp == NULL) { 67367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 67371b300de9Sjwahlig rfs4_check_clientid(&owner->clientid, 0); 67387c478bd9Sstevel@tonic-gate return; 67397c478bd9Sstevel@tonic-gate } 67407c478bd9Sstevel@tonic-gate 67417c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 67427c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 67437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 67447c478bd9Sstevel@tonic-gate return; 67457c478bd9Sstevel@tonic-gate } 67467c478bd9Sstevel@tonic-gate can_reclaim = cp->can_reclaim; 67477c478bd9Sstevel@tonic-gate 67487c478bd9Sstevel@tonic-gate /* 67497c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 67507c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 67517c478bd9Sstevel@tonic-gate * being returned. 67527c478bd9Sstevel@tonic-gate */ 67537c478bd9Sstevel@tonic-gate retry: 67547c478bd9Sstevel@tonic-gate create = TRUE; 67557c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 67567c478bd9Sstevel@tonic-gate if (oo == NULL) { 67577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 67587c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 67597c478bd9Sstevel@tonic-gate return; 67607c478bd9Sstevel@tonic-gate } 67617c478bd9Sstevel@tonic-gate 67627c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 67637c478bd9Sstevel@tonic-gate rfs4_sw_enter(&oo->oo_sw); 67647c478bd9Sstevel@tonic-gate 67657c478bd9Sstevel@tonic-gate /* 67667c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 67677c478bd9Sstevel@tonic-gate * the sequence id. 67687c478bd9Sstevel@tonic-gate */ 67697c478bd9Sstevel@tonic-gate if (!create && !oo->postpone_confirm) { 67707c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 67717c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 67727c478bd9Sstevel@tonic-gate if ((args->seqid > oo->open_seqid) && 67731b300de9Sjwahlig oo->need_confirm) { 67747c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 67757c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 67767c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 67777c478bd9Sstevel@tonic-gate goto retry; 67787c478bd9Sstevel@tonic-gate } 67797c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 67807c478bd9Sstevel@tonic-gate goto out; 67817c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 67827c478bd9Sstevel@tonic-gate replay = TRUE; 67837c478bd9Sstevel@tonic-gate goto out; 67847c478bd9Sstevel@tonic-gate default: 67857c478bd9Sstevel@tonic-gate break; 67867c478bd9Sstevel@tonic-gate } 67877c478bd9Sstevel@tonic-gate 67887c478bd9Sstevel@tonic-gate /* 67897c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 67907c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 67917c478bd9Sstevel@tonic-gate * open_confirm. 67927c478bd9Sstevel@tonic-gate */ 67937c478bd9Sstevel@tonic-gate if (oo->need_confirm) { 67947c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 67957c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 67967c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 67977c478bd9Sstevel@tonic-gate goto retry; 67987c478bd9Sstevel@tonic-gate } 67997c478bd9Sstevel@tonic-gate } 68007c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 68017c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 68027c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 68037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 68047c478bd9Sstevel@tonic-gate goto out; 68057c478bd9Sstevel@tonic-gate } 68067c478bd9Sstevel@tonic-gate 68077c478bd9Sstevel@tonic-gate /* 68087c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 68097c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 68107c478bd9Sstevel@tonic-gate * client. 68117c478bd9Sstevel@tonic-gate */ 68127c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 68137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 68147c478bd9Sstevel@tonic-gate goto out; 68157c478bd9Sstevel@tonic-gate } 68167c478bd9Sstevel@tonic-gate 68177c478bd9Sstevel@tonic-gate 68187c478bd9Sstevel@tonic-gate /* 68197c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 68207c478bd9Sstevel@tonic-gate */ 68217c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 68227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 68237c478bd9Sstevel@tonic-gate goto out; 68247c478bd9Sstevel@tonic-gate } 68257c478bd9Sstevel@tonic-gate 68267c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 68277c478bd9Sstevel@tonic-gate if (oo->need_confirm) { 68287c478bd9Sstevel@tonic-gate /* 68297c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 68307c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 68317c478bd9Sstevel@tonic-gate * protocol specification. 68327c478bd9Sstevel@tonic-gate */ 68337c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 68347c478bd9Sstevel@tonic-gate oo->need_confirm = FALSE; 68357c478bd9Sstevel@tonic-gate else 68367c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 68377c478bd9Sstevel@tonic-gate } 68387c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 68397c478bd9Sstevel@tonic-gate 68407c478bd9Sstevel@tonic-gate /* 68417c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 68427c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 68437c478bd9Sstevel@tonic-gate */ 68447c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 68457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 68467c478bd9Sstevel@tonic-gate goto out; 68477c478bd9Sstevel@tonic-gate } 68487c478bd9Sstevel@tonic-gate 68497c478bd9Sstevel@tonic-gate /* 68507c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 68517c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 68527c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 68537c478bd9Sstevel@tonic-gate */ 68547c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 68557c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 68567c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 68577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 68587c478bd9Sstevel@tonic-gate goto out; 68597c478bd9Sstevel@tonic-gate } 68607c478bd9Sstevel@tonic-gate 68617c478bd9Sstevel@tonic-gate 68627c478bd9Sstevel@tonic-gate /* 68637c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 68647c478bd9Sstevel@tonic-gate */ 68657c478bd9Sstevel@tonic-gate resp->attrset = 0; 68667c478bd9Sstevel@tonic-gate 68677c478bd9Sstevel@tonic-gate switch (claim) { 68687c478bd9Sstevel@tonic-gate case CLAIM_NULL: 68697c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 68701b300de9Sjwahlig break; 68717c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 68727c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 68731b300de9Sjwahlig break; 68747c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 68757c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 68761b300de9Sjwahlig break; 68777c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 68787c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 68791b300de9Sjwahlig break; 68807c478bd9Sstevel@tonic-gate default: 68817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 68827c478bd9Sstevel@tonic-gate break; 68837c478bd9Sstevel@tonic-gate } 68847c478bd9Sstevel@tonic-gate 68857c478bd9Sstevel@tonic-gate out: 68867c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 68877c478bd9Sstevel@tonic-gate 68887c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 68897c478bd9Sstevel@tonic-gate switch (resp->status) { 68907c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 68917c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 68927c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 68937c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 68947c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 68957c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 68967c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 68977c478bd9Sstevel@tonic-gate /* 68987c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 68997c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 69007c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 69017c478bd9Sstevel@tonic-gate * increment. 69027c478bd9Sstevel@tonic-gate */ 69037c478bd9Sstevel@tonic-gate break; 69047c478bd9Sstevel@tonic-gate default: 69057c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 69067c478bd9Sstevel@tonic-gate rfs4_update_lease(oo->client); 69077c478bd9Sstevel@tonic-gate 69087c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 69097c478bd9Sstevel@tonic-gate if (!replay) 69107c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 69117c478bd9Sstevel@tonic-gate 69127c478bd9Sstevel@tonic-gate /* 69137c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 69147c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 69157c478bd9Sstevel@tonic-gate * filehandle to copy. 69167c478bd9Sstevel@tonic-gate */ 69177c478bd9Sstevel@tonic-gate if (replay == TRUE && 69187c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 69197c478bd9Sstevel@tonic-gate oo->reply_fh.nfs_fh4_val) { 69207c478bd9Sstevel@tonic-gate /* 69217c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 69227c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 69237c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 69247c478bd9Sstevel@tonic-gate * it. 69257c478bd9Sstevel@tonic-gate */ 69267c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 69271b300de9Sjwahlig (nfs_fh4_fmt_t *)oo->reply_fh.nfs_fh4_val; 69287c478bd9Sstevel@tonic-gate 69297c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 69301b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 69317c478bd9Sstevel@tonic-gate 69327c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 69337c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 69347c478bd9Sstevel@tonic-gate goto finish; 69357c478bd9Sstevel@tonic-gate } 69367c478bd9Sstevel@tonic-gate 69377c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 69387c478bd9Sstevel@tonic-gate 69397c478bd9Sstevel@tonic-gate cs->vp = nfs4_fhtovp(&oo->reply_fh, cs->exi, 69401b300de9Sjwahlig &resp->status); 69417c478bd9Sstevel@tonic-gate 69427c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 69437c478bd9Sstevel@tonic-gate goto finish; 69447c478bd9Sstevel@tonic-gate 69457c478bd9Sstevel@tonic-gate nfs_fh4_copy(&oo->reply_fh, &cs->fh); 69467c478bd9Sstevel@tonic-gate } 69477c478bd9Sstevel@tonic-gate 69487c478bd9Sstevel@tonic-gate /* 69497c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 69507c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 69517c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 69527c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 69537c478bd9Sstevel@tonic-gate */ 69547c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 69557c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 69567c478bd9Sstevel@tonic-gate /* 69577c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 69587c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 69597c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 69607c478bd9Sstevel@tonic-gate * that the server has no method of returning a 69617c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 69627c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 69637c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 69647c478bd9Sstevel@tonic-gate * this open_owner. 69657c478bd9Sstevel@tonic-gate */ 69667c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && oo->need_confirm) 69677c478bd9Sstevel@tonic-gate oo->postpone_confirm = TRUE; 69687c478bd9Sstevel@tonic-gate /* 69697c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 69707c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 69717c478bd9Sstevel@tonic-gate * client. 69727c478bd9Sstevel@tonic-gate */ 69737c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && oo->postpone_confirm) { 69747c478bd9Sstevel@tonic-gate oo->postpone_confirm = FALSE; 69757c478bd9Sstevel@tonic-gate oo->open_seqid = args->seqid; 69767c478bd9Sstevel@tonic-gate } 69777c478bd9Sstevel@tonic-gate break; 69787c478bd9Sstevel@tonic-gate } 69797c478bd9Sstevel@tonic-gate 69807c478bd9Sstevel@tonic-gate finish: 69817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 69827c478bd9Sstevel@tonic-gate 69837c478bd9Sstevel@tonic-gate rfs4_sw_exit(&oo->oo_sw); 69847c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 69857c478bd9Sstevel@tonic-gate } 69867c478bd9Sstevel@tonic-gate 69877c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69887c478bd9Sstevel@tonic-gate void 69897c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 69907c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 69917c478bd9Sstevel@tonic-gate { 69927c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 69937c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 69947c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 69957c478bd9Sstevel@tonic-gate nfsstat4 status; 69967c478bd9Sstevel@tonic-gate 69977c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 69987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 69997c478bd9Sstevel@tonic-gate return; 70007c478bd9Sstevel@tonic-gate } 70017c478bd9Sstevel@tonic-gate 70027c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 70037c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 70047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 70057c478bd9Sstevel@tonic-gate return; 70067c478bd9Sstevel@tonic-gate } 70077c478bd9Sstevel@tonic-gate 70087c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 70097c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 70107c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 70117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 70127c478bd9Sstevel@tonic-gate return; 70137c478bd9Sstevel@tonic-gate } 70147c478bd9Sstevel@tonic-gate 70157c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 70167c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 70177c478bd9Sstevel@tonic-gate 70187c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 70197c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 70207c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 70211b300de9Sjwahlig resop) != 0) { 70227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 70237c478bd9Sstevel@tonic-gate break; 70247c478bd9Sstevel@tonic-gate } 70257c478bd9Sstevel@tonic-gate /* 70267c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 70277c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 70287c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 70297c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 70307c478bd9Sstevel@tonic-gate */ 70317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 70327c478bd9Sstevel@tonic-gate break; 70337c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 70347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 70357c478bd9Sstevel@tonic-gate break; 70367c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 70377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 70387c478bd9Sstevel@tonic-gate break; 70397c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 70407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 70417c478bd9Sstevel@tonic-gate break; 70427c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 70437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 70447c478bd9Sstevel@tonic-gate break; 70457c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 70467c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 70477c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 70487c478bd9Sstevel@tonic-gate /* 70497c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 70507c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 70517c478bd9Sstevel@tonic-gate */ 70527c478bd9Sstevel@tonic-gate /* fall through */ 70537c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 70547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 70557c478bd9Sstevel@tonic-gate break; 70567c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 70577c478bd9Sstevel@tonic-gate /* 70587c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 70597c478bd9Sstevel@tonic-gate * resp->status is already set. 70607c478bd9Sstevel@tonic-gate */ 70617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 70627c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 70637c478bd9Sstevel@tonic-gate break; 70647c478bd9Sstevel@tonic-gate } 70657c478bd9Sstevel@tonic-gate break; 70667c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 70677c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 70681b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 70697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 70707c478bd9Sstevel@tonic-gate break; 70717c478bd9Sstevel@tonic-gate } 70727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 70737c478bd9Sstevel@tonic-gate 70747c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 70757c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 70767c478bd9Sstevel@tonic-gate sp->owner->need_confirm = FALSE; 70777c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 70787c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 70797c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 70807c478bd9Sstevel@tonic-gate break; 70817c478bd9Sstevel@tonic-gate default: 70827c478bd9Sstevel@tonic-gate ASSERT(FALSE); 70837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 70847c478bd9Sstevel@tonic-gate break; 70857c478bd9Sstevel@tonic-gate } 70867c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 70877c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 70887c478bd9Sstevel@tonic-gate } 70897c478bd9Sstevel@tonic-gate 70907c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 70917c478bd9Sstevel@tonic-gate void 70927c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 70937c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 70947c478bd9Sstevel@tonic-gate { 70957c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 70967c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 70977c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 70987c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 70997c478bd9Sstevel@tonic-gate nfsstat4 status; 71007c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 71017c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7102da6c28aaSamw int fflags = 0; 71037c478bd9Sstevel@tonic-gate 71047c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 71057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 71067c478bd9Sstevel@tonic-gate return; 71077c478bd9Sstevel@tonic-gate } 71087c478bd9Sstevel@tonic-gate 71097c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 71107c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 71117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 71127c478bd9Sstevel@tonic-gate return; 71137c478bd9Sstevel@tonic-gate } 71147c478bd9Sstevel@tonic-gate 71157c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 71167c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 71177c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 71187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 71197c478bd9Sstevel@tonic-gate return; 71207c478bd9Sstevel@tonic-gate } 71217c478bd9Sstevel@tonic-gate 71227c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 71237c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 71247c478bd9Sstevel@tonic-gate 71257c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 71267c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 71277c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 71281b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 71297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 71307c478bd9Sstevel@tonic-gate goto end; 71317c478bd9Sstevel@tonic-gate } 71327c478bd9Sstevel@tonic-gate break; 71337c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 71347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 71357c478bd9Sstevel@tonic-gate goto end; 71367c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 71377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 71387c478bd9Sstevel@tonic-gate goto end; 71397c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 71407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 71417c478bd9Sstevel@tonic-gate goto end; 71427c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 71437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 71447c478bd9Sstevel@tonic-gate goto end; 71457c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 71467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 71477c478bd9Sstevel@tonic-gate goto end; 71487c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 71497c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 71507c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 71517c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 71527c478bd9Sstevel@tonic-gate /* 71537c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 71547c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 71557c478bd9Sstevel@tonic-gate */ 71567c478bd9Sstevel@tonic-gate /* fall through */ 71577c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 71587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 71597c478bd9Sstevel@tonic-gate goto end; 71607c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 71617c478bd9Sstevel@tonic-gate /* 71627c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 71637c478bd9Sstevel@tonic-gate * resp->status is already set. 71647c478bd9Sstevel@tonic-gate */ 71657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 71667c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 71677c478bd9Sstevel@tonic-gate goto end; 71687c478bd9Sstevel@tonic-gate } 71697c478bd9Sstevel@tonic-gate break; 71707c478bd9Sstevel@tonic-gate default: 71717c478bd9Sstevel@tonic-gate ASSERT(FALSE); 71727c478bd9Sstevel@tonic-gate break; 71737c478bd9Sstevel@tonic-gate } 71747c478bd9Sstevel@tonic-gate 71757c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 71767c478bd9Sstevel@tonic-gate /* 71777c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 71787c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 71797c478bd9Sstevel@tonic-gate */ 71807c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7181da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 71827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 71837c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 71847c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 71857c478bd9Sstevel@tonic-gate goto end; 71867c478bd9Sstevel@tonic-gate } 71877c478bd9Sstevel@tonic-gate 71887c478bd9Sstevel@tonic-gate /* 71897c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 71907c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 71917c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 71927c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 71937c478bd9Sstevel@tonic-gate * mode. For example: 71947c478bd9Sstevel@tonic-gate * New mode, access == R and current mode, sp->share_access == RW 71957c478bd9Sstevel@tonic-gate * access & sp->share_access == R == access, so the new access mode 71967c478bd9Sstevel@tonic-gate * is valid. Consider access == RW, sp->share_access = R 71977c478bd9Sstevel@tonic-gate * access & sp->share_access == R != access, so the new access mode 71987c478bd9Sstevel@tonic-gate * is invalid. 71997c478bd9Sstevel@tonic-gate */ 72007c478bd9Sstevel@tonic-gate if ((access & sp->share_access) != access || 72017c478bd9Sstevel@tonic-gate (deny & sp->share_deny) != deny || 72027c478bd9Sstevel@tonic-gate (access & 72037c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 72047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 72057c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 72067c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 72077c478bd9Sstevel@tonic-gate goto end; 72087c478bd9Sstevel@tonic-gate } 72097c478bd9Sstevel@tonic-gate 72107c478bd9Sstevel@tonic-gate /* 72117c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 72127c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 72137c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 72147c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 72157c478bd9Sstevel@tonic-gate */ 72167c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 72177c478bd9Sstevel@tonic-gate rfs4_unshare(sp); 72187c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 72197c478bd9Sstevel@tonic-gate 72207c478bd9Sstevel@tonic-gate fp = sp->finfo; 72217c478bd9Sstevel@tonic-gate rfs4_dbe_lock(fp->dbe); 72227c478bd9Sstevel@tonic-gate 72237c478bd9Sstevel@tonic-gate /* 72247c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 72257c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 72267c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 72277c478bd9Sstevel@tonic-gate * on the file. 72287c478bd9Sstevel@tonic-gate */ 72297c478bd9Sstevel@tonic-gate if ((sp->share_deny & OPEN4_SHARE_DENY_READ) && 72307c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 72317c478bd9Sstevel@tonic-gate fp->deny_read--; 72327c478bd9Sstevel@tonic-gate if (fp->deny_read == 0) 72337c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_READ; 72347c478bd9Sstevel@tonic-gate } 72357c478bd9Sstevel@tonic-gate 72367c478bd9Sstevel@tonic-gate /* 72377c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 72387c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 72397c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 72407c478bd9Sstevel@tonic-gate * on the file. 72417c478bd9Sstevel@tonic-gate */ 72427c478bd9Sstevel@tonic-gate if ((sp->share_deny & OPEN4_SHARE_DENY_WRITE) && 72437c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 72447c478bd9Sstevel@tonic-gate fp->deny_write--; 72457c478bd9Sstevel@tonic-gate if (fp->deny_write == 0) 72467c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_WRITE; 72477c478bd9Sstevel@tonic-gate } 72487c478bd9Sstevel@tonic-gate 72497c478bd9Sstevel@tonic-gate /* 72507c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 72517c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 72527c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7253da6c28aaSamw * on the file. set fflags to FREAD for the call to 7254da6c28aaSamw * vn_open_downgrade(). 72557c478bd9Sstevel@tonic-gate */ 72567c478bd9Sstevel@tonic-gate if ((sp->share_access & OPEN4_SHARE_ACCESS_READ) && 72577c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 72587c478bd9Sstevel@tonic-gate fp->access_read--; 72597c478bd9Sstevel@tonic-gate if (fp->access_read == 0) 72607c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_READ; 7261da6c28aaSamw fflags |= FREAD; 72627c478bd9Sstevel@tonic-gate } 72637c478bd9Sstevel@tonic-gate 72647c478bd9Sstevel@tonic-gate /* 72657c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 72667c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 72677c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7268da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7269da6c28aaSamw * vn_open_downgrade(). 72707c478bd9Sstevel@tonic-gate */ 72717c478bd9Sstevel@tonic-gate if ((sp->share_access & OPEN4_SHARE_ACCESS_WRITE) && 72727c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 72737c478bd9Sstevel@tonic-gate fp->access_write--; 72747c478bd9Sstevel@tonic-gate if (fp->access_write == 0) 72757c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7276da6c28aaSamw fflags |= FWRITE; 72777c478bd9Sstevel@tonic-gate } 72787c478bd9Sstevel@tonic-gate 72797c478bd9Sstevel@tonic-gate /* Set the new access and deny modes */ 72807c478bd9Sstevel@tonic-gate sp->share_access = access; 72817c478bd9Sstevel@tonic-gate sp->share_deny = deny; 72827c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 72837c478bd9Sstevel@tonic-gate ASSERT(fp->share_access); 72847c478bd9Sstevel@tonic-gate 72857c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(fp->dbe); 72867c478bd9Sstevel@tonic-gate 72877c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 7288da6c28aaSamw 72897c478bd9Sstevel@tonic-gate if ((status = rfs4_share(sp)) != NFS4_OK) { 72907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 72917c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 72927c478bd9Sstevel@tonic-gate goto end; 72937c478bd9Sstevel@tonic-gate } 72947c478bd9Sstevel@tonic-gate 7295da6c28aaSamw /* 7296da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 7297da6c28aaSamw * the open. it is possible that the downgrade was only for a deny 7298da6c28aaSamw * mode and we have nothing else to do. 7299da6c28aaSamw */ 7300da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7301da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7302da6c28aaSamw 73037c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 73047c478bd9Sstevel@tonic-gate 73057c478bd9Sstevel@tonic-gate /* Update the stateid */ 73067c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 73077c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 73087c478bd9Sstevel@tonic-gate 73097c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 73107c478bd9Sstevel@tonic-gate 73117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 73127c478bd9Sstevel@tonic-gate /* Update the lease */ 73137c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 73147c478bd9Sstevel@tonic-gate /* And the sequence */ 73157c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 73167c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 73177c478bd9Sstevel@tonic-gate 73187c478bd9Sstevel@tonic-gate end: 73197c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 73207c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 73217c478bd9Sstevel@tonic-gate } 73227c478bd9Sstevel@tonic-gate 73237c478bd9Sstevel@tonic-gate /* 73247c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 73257c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 73267c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 73277c478bd9Sstevel@tonic-gate * SETCLIENTID. 73287c478bd9Sstevel@tonic-gate */ 73297c478bd9Sstevel@tonic-gate void 73307c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 73317c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 73327c478bd9Sstevel@tonic-gate { 73337c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 73347c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 73357c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 73367c478bd9Sstevel@tonic-gate bool_t create = TRUE; 73377c478bd9Sstevel@tonic-gate char *addr, *netid; 73387c478bd9Sstevel@tonic-gate int len; 73397c478bd9Sstevel@tonic-gate 73407c478bd9Sstevel@tonic-gate retry: 73417c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 73427c478bd9Sstevel@tonic-gate 73437c478bd9Sstevel@tonic-gate /* 73447c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 73457c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 73467c478bd9Sstevel@tonic-gate */ 73477c478bd9Sstevel@tonic-gate create = TRUE; 73487c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 73497c478bd9Sstevel@tonic-gate 73507c478bd9Sstevel@tonic-gate /* Should never happen */ 73517c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 73527c478bd9Sstevel@tonic-gate 73537c478bd9Sstevel@tonic-gate if (cp == NULL) { 73547c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 73557c478bd9Sstevel@tonic-gate return; 73567c478bd9Sstevel@tonic-gate } 73577c478bd9Sstevel@tonic-gate 73587c478bd9Sstevel@tonic-gate /* 73597c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 73607c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 73617c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 73627c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 73637c478bd9Sstevel@tonic-gate */ 73647c478bd9Sstevel@tonic-gate if (create) { 73657c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 73667c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = cp->clientid; 73677c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 73681b300de9Sjwahlig cp->confirm_verf; 73697c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 73707c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 73717c478bd9Sstevel@tonic-gate 73727c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 73737c478bd9Sstevel@tonic-gate return; 73747c478bd9Sstevel@tonic-gate } 73757c478bd9Sstevel@tonic-gate 73767c478bd9Sstevel@tonic-gate /* 73777c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 73787c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 73797c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 73807c478bd9Sstevel@tonic-gate */ 73817c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 73827c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 73837c478bd9Sstevel@tonic-gate goto retry; 73847c478bd9Sstevel@tonic-gate } 73857c478bd9Sstevel@tonic-gate 73867c478bd9Sstevel@tonic-gate if (cp->need_confirm == TRUE) 73877c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 73887c478bd9Sstevel@tonic-gate else 73897c478bd9Sstevel@tonic-gate cp_confirmed = cp; 73907c478bd9Sstevel@tonic-gate 73917c478bd9Sstevel@tonic-gate cp = NULL; 73927c478bd9Sstevel@tonic-gate 73937c478bd9Sstevel@tonic-gate /* 73947c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 73957c478bd9Sstevel@tonic-gate * unconfimred entry 73967c478bd9Sstevel@tonic-gate */ 73977c478bd9Sstevel@tonic-gate if (cp_confirmed) { 73987c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 73997c478bd9Sstevel@tonic-gate if (!creds_ok(cp_confirmed->cr_set, req, cs)) { 74007c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 74017c478bd9Sstevel@tonic-gate /* 74027c478bd9Sstevel@tonic-gate * Some one else has established this client 74037c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 74047c478bd9Sstevel@tonic-gate * the call back address supplied by * the 74057c478bd9Sstevel@tonic-gate * first client. 74067c478bd9Sstevel@tonic-gate */ 74077c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 74087c478bd9Sstevel@tonic-gate 74097c478bd9Sstevel@tonic-gate addr = netid = NULL; 74107c478bd9Sstevel@tonic-gate 74117c478bd9Sstevel@tonic-gate cbp = &cp_confirmed->cbinfo; 74127c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 74137c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 74147c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 74157c478bd9Sstevel@tonic-gate 74167c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 74177c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 74187c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 74197c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 74207c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 74217c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 74227c478bd9Sstevel@tonic-gate } 74237c478bd9Sstevel@tonic-gate 74247c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 74257c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 74267c478bd9Sstevel@tonic-gate 74277c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74287c478bd9Sstevel@tonic-gate } 74297c478bd9Sstevel@tonic-gate 74307c478bd9Sstevel@tonic-gate /* 74317c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 74327c478bd9Sstevel@tonic-gate * be an update of the callback info 74337c478bd9Sstevel@tonic-gate */ 74347c478bd9Sstevel@tonic-gate if (cp_confirmed->nfs_client.verifier == 74351b300de9Sjwahlig args->client.verifier) { 74367c478bd9Sstevel@tonic-gate /* Setup callback information */ 74377c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 74381b300de9Sjwahlig args->callback_ident); 74397c478bd9Sstevel@tonic-gate 74407c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 74417c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 74427c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 74431b300de9Sjwahlig cp_confirmed->clientid; 74447c478bd9Sstevel@tonic-gate 74457c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 74467c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 74477c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 74481b300de9Sjwahlig cp_confirmed->confirm_verf; 74497c478bd9Sstevel@tonic-gate 74507c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74517c478bd9Sstevel@tonic-gate return; 74527c478bd9Sstevel@tonic-gate } 74537c478bd9Sstevel@tonic-gate 74547c478bd9Sstevel@tonic-gate /* 74557c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 74567c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 74577c478bd9Sstevel@tonic-gate * this request. 74587c478bd9Sstevel@tonic-gate */ 74597c478bd9Sstevel@tonic-gate create = FALSE; 74607c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 74611b300de9Sjwahlig cp_confirmed); 74627c478bd9Sstevel@tonic-gate } 74637c478bd9Sstevel@tonic-gate 74647c478bd9Sstevel@tonic-gate /* 74657c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 74667c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 74677c478bd9Sstevel@tonic-gate * client struct. 74687c478bd9Sstevel@tonic-gate */ 74697c478bd9Sstevel@tonic-gate 74707c478bd9Sstevel@tonic-gate /* 74717c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 74727c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 74737c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 74747c478bd9Sstevel@tonic-gate */ 74757c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 74767c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp_unconfirmed->dbe); 74777c478bd9Sstevel@tonic-gate if (!cp_unconfirmed->need_confirm) { 74787c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp_unconfirmed->dbe); 74797c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 74807c478bd9Sstevel@tonic-gate if (cp_confirmed) 74817c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 74827c478bd9Sstevel@tonic-gate goto retry; 74837c478bd9Sstevel@tonic-gate } 74847c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 74857c478bd9Sstevel@tonic-gate rfs4_dbe_invalidate(cp_unconfirmed->dbe); 74867c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp_unconfirmed->dbe); 74877c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 74887c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 74897c478bd9Sstevel@tonic-gate } 74907c478bd9Sstevel@tonic-gate 74917c478bd9Sstevel@tonic-gate /* 74927c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 74937c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 74947c478bd9Sstevel@tonic-gate * unconfirmed one. 74957c478bd9Sstevel@tonic-gate */ 74967c478bd9Sstevel@tonic-gate create = TRUE; 74977c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 74987c478bd9Sstevel@tonic-gate 74997c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 75007c478bd9Sstevel@tonic-gate 75017c478bd9Sstevel@tonic-gate if (newcp == NULL) { 75027c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 75037c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 75047c478bd9Sstevel@tonic-gate return; 75057c478bd9Sstevel@tonic-gate } 75067c478bd9Sstevel@tonic-gate 75077c478bd9Sstevel@tonic-gate /* 75087c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 75097c478bd9Sstevel@tonic-gate * process so release and start over with this one 75107c478bd9Sstevel@tonic-gate */ 75117c478bd9Sstevel@tonic-gate if (create != TRUE) { 75127c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 75137c478bd9Sstevel@tonic-gate if (cp_confirmed) 75147c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 75157c478bd9Sstevel@tonic-gate goto retry; 75167c478bd9Sstevel@tonic-gate } 75177c478bd9Sstevel@tonic-gate 75187c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 75197c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = newcp->clientid; 75201b300de9Sjwahlig res->SETCLIENTID4res_u.resok4.setclientid_confirm = newcp->confirm_verf; 75217c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 75221b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 75237c478bd9Sstevel@tonic-gate 75247c478bd9Sstevel@tonic-gate newcp->cp_confirmed = cp_confirmed; 75257c478bd9Sstevel@tonic-gate 75267c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 75277c478bd9Sstevel@tonic-gate } 75287c478bd9Sstevel@tonic-gate 75297c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75307c478bd9Sstevel@tonic-gate void 75317c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 75327c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 75337c478bd9Sstevel@tonic-gate { 75347c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 75351b300de9Sjwahlig &argop->nfs_argop4_u.opsetclientid_confirm; 75367c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 75371b300de9Sjwahlig &resop->nfs_resop4_u.opsetclientid_confirm; 75387c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 75397c478bd9Sstevel@tonic-gate 75407c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 75417c478bd9Sstevel@tonic-gate 75427c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 75437c478bd9Sstevel@tonic-gate 75447c478bd9Sstevel@tonic-gate if (cp == NULL) { 75457c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 75461b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 1); 75477c478bd9Sstevel@tonic-gate return; 75487c478bd9Sstevel@tonic-gate } 75497c478bd9Sstevel@tonic-gate 75507c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 75517c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 75527c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 75537c478bd9Sstevel@tonic-gate return; 75547c478bd9Sstevel@tonic-gate } 75557c478bd9Sstevel@tonic-gate 75567c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 75577c478bd9Sstevel@tonic-gate if (cp->confirm_verf != args->setclientid_confirm) { 75587c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 75597c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 75607c478bd9Sstevel@tonic-gate return; 75617c478bd9Sstevel@tonic-gate } 75627c478bd9Sstevel@tonic-gate 75637c478bd9Sstevel@tonic-gate rfs4_dbe_lock(cp->dbe); 75647c478bd9Sstevel@tonic-gate cp->need_confirm = FALSE; 75657c478bd9Sstevel@tonic-gate if (cp->cp_confirmed) { 75667c478bd9Sstevel@tonic-gate cptoclose = cp->cp_confirmed; 75677c478bd9Sstevel@tonic-gate cptoclose->ss_remove = 1; 75687c478bd9Sstevel@tonic-gate cp->cp_confirmed = NULL; 75697c478bd9Sstevel@tonic-gate } 75707c478bd9Sstevel@tonic-gate 75717c478bd9Sstevel@tonic-gate /* 7572cee86682Scalum * Update the client's associated server instance, if it's changed 7573cee86682Scalum * since the client was created. 7574cee86682Scalum */ 7575cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 7576cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 7577cee86682Scalum 7578cee86682Scalum /* 7579cee86682Scalum * Record clientid in stable storage. 7580cee86682Scalum * Must be done after server instance has been assigned. 75817c478bd9Sstevel@tonic-gate */ 75827c478bd9Sstevel@tonic-gate rfs4_ss_clid(cp, req); 75837c478bd9Sstevel@tonic-gate 75847c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(cp->dbe); 75857c478bd9Sstevel@tonic-gate 75867c478bd9Sstevel@tonic-gate if (cptoclose) 75877c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 75887c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 75897c478bd9Sstevel@tonic-gate 75907c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 75917c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 75927c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 75937c478bd9Sstevel@tonic-gate 75947c478bd9Sstevel@tonic-gate /* 75957c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 75967c478bd9Sstevel@tonic-gate */ 75977c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 75987c478bd9Sstevel@tonic-gate 75997c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 76007c478bd9Sstevel@tonic-gate } 76017c478bd9Sstevel@tonic-gate 76027c478bd9Sstevel@tonic-gate 76037c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 76047c478bd9Sstevel@tonic-gate void 76057c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 76067c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 76077c478bd9Sstevel@tonic-gate { 76087c478bd9Sstevel@tonic-gate /* XXX Currently not using req arg */ 76097c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 76107c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 76117c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 76127c478bd9Sstevel@tonic-gate nfsstat4 status; 76137c478bd9Sstevel@tonic-gate 76147c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 76157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 76167c478bd9Sstevel@tonic-gate return; 76177c478bd9Sstevel@tonic-gate } 76187c478bd9Sstevel@tonic-gate 76197c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 76207c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 76217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 76227c478bd9Sstevel@tonic-gate return; 76237c478bd9Sstevel@tonic-gate } 76247c478bd9Sstevel@tonic-gate 76257c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 76267c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 76277c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 76287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76297c478bd9Sstevel@tonic-gate return; 76307c478bd9Sstevel@tonic-gate } 76317c478bd9Sstevel@tonic-gate 76327c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 76337c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 76347c478bd9Sstevel@tonic-gate 76357c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 76367c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 76377c478bd9Sstevel@tonic-gate if (rfs4_check_open_seqid(args->seqid, sp->owner, 76381b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 76397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76407c478bd9Sstevel@tonic-gate goto end; 76417c478bd9Sstevel@tonic-gate } 76427c478bd9Sstevel@tonic-gate break; 76437c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 76447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76457c478bd9Sstevel@tonic-gate goto end; 76467c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 76477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76487c478bd9Sstevel@tonic-gate goto end; 76497c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 76507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 76517c478bd9Sstevel@tonic-gate goto end; 76527c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 76537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76547c478bd9Sstevel@tonic-gate goto end; 76557c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 76567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76577c478bd9Sstevel@tonic-gate goto end; 76587c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 76597c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 76607c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, sp->owner, resop)) { 76617c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 76627c478bd9Sstevel@tonic-gate /* 76637c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 76647c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 76657c478bd9Sstevel@tonic-gate */ 76667c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 76677c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 76687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76697c478bd9Sstevel@tonic-gate goto end; 76707c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76717c478bd9Sstevel@tonic-gate /* 76727c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76737c478bd9Sstevel@tonic-gate * resp->status is already set. 76747c478bd9Sstevel@tonic-gate */ 76757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 76767c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 76777c478bd9Sstevel@tonic-gate goto end; 76787c478bd9Sstevel@tonic-gate } 76797c478bd9Sstevel@tonic-gate break; 76807c478bd9Sstevel@tonic-gate default: 76817c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76827c478bd9Sstevel@tonic-gate break; 76837c478bd9Sstevel@tonic-gate } 76847c478bd9Sstevel@tonic-gate 76857c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 76867c478bd9Sstevel@tonic-gate 76877c478bd9Sstevel@tonic-gate /* Update the stateid. */ 76887c478bd9Sstevel@tonic-gate next_stateid(&sp->stateid); 76897c478bd9Sstevel@tonic-gate resp->open_stateid = sp->stateid.stateid; 76907c478bd9Sstevel@tonic-gate 76917c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 76927c478bd9Sstevel@tonic-gate 76937c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 76947c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 76957c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 76967c478bd9Sstevel@tonic-gate 76977c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 76987c478bd9Sstevel@tonic-gate 76997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 77007c478bd9Sstevel@tonic-gate 77017c478bd9Sstevel@tonic-gate end: 77027c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 77037c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 77047c478bd9Sstevel@tonic-gate } 77057c478bd9Sstevel@tonic-gate 77067c478bd9Sstevel@tonic-gate /* 77077c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 77087c478bd9Sstevel@tonic-gate */ 77097c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 77107c478bd9Sstevel@tonic-gate void 77117c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 77127c478bd9Sstevel@tonic-gate bool_t close_of_client) 77137c478bd9Sstevel@tonic-gate { 77147c478bd9Sstevel@tonic-gate rfs4_file_t *fp = sp->finfo; 77157c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 77167c478bd9Sstevel@tonic-gate struct shrlock shr; 77177c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 77187c478bd9Sstevel@tonic-gate int fflags, s_access, s_deny; 77197c478bd9Sstevel@tonic-gate 77207c478bd9Sstevel@tonic-gate fflags = s_access = s_deny = 0; 77217c478bd9Sstevel@tonic-gate /* 77227c478bd9Sstevel@tonic-gate * Decrement the count for each access and deny bit that this 77237c478bd9Sstevel@tonic-gate * state has contributed to the file. If the file counts go to zero 77247c478bd9Sstevel@tonic-gate * clear the appropriate bit in the appropriate mask. 77257c478bd9Sstevel@tonic-gate */ 77267c478bd9Sstevel@tonic-gate 77277c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_READ) { 77287c478bd9Sstevel@tonic-gate fp->access_read--; 77297c478bd9Sstevel@tonic-gate fflags |= FREAD; 77307c478bd9Sstevel@tonic-gate s_access |= F_RDACC; 77317c478bd9Sstevel@tonic-gate if (fp->access_read == 0) 77327c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_READ; 77337c478bd9Sstevel@tonic-gate } 77347c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_WRITE) { 77357c478bd9Sstevel@tonic-gate fp->access_write--; 77367c478bd9Sstevel@tonic-gate fflags |= FWRITE; 77377c478bd9Sstevel@tonic-gate s_access |= F_WRACC; 77387c478bd9Sstevel@tonic-gate if (fp->access_write == 0) 77397c478bd9Sstevel@tonic-gate fp->share_access &= ~OPEN4_SHARE_ACCESS_WRITE; 77407c478bd9Sstevel@tonic-gate } 77417c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_READ) { 77427c478bd9Sstevel@tonic-gate fp->deny_read--; 77437c478bd9Sstevel@tonic-gate s_deny |= F_RDDNY; 77447c478bd9Sstevel@tonic-gate if (fp->deny_read == 0) 77457c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_READ; 77467c478bd9Sstevel@tonic-gate } 77477c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_WRITE) { 77487c478bd9Sstevel@tonic-gate fp->deny_write--; 77497c478bd9Sstevel@tonic-gate s_deny |= F_WRDNY; 77507c478bd9Sstevel@tonic-gate if (fp->deny_write == 0) 77517c478bd9Sstevel@tonic-gate fp->share_deny &= ~OPEN4_SHARE_DENY_WRITE; 77527c478bd9Sstevel@tonic-gate } 77537c478bd9Sstevel@tonic-gate 77547c478bd9Sstevel@tonic-gate /* 77557c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 77567c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 77577c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 77587c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 77597c478bd9Sstevel@tonic-gate */ 77607c478bd9Sstevel@tonic-gate if (close_of_client) { 77617c478bd9Sstevel@tonic-gate if (sp->owner->client->unlksys_completed == FALSE && 77627c478bd9Sstevel@tonic-gate sp->lockownerlist.next->lsp != NULL && 77631b300de9Sjwahlig sp->owner->client->sysidt != LM_NOSYSID) { 77647c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 77657c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 77667c478bd9Sstevel@tonic-gate int new_sysid; 77677c478bd9Sstevel@tonic-gate 77687c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 77697c478bd9Sstevel@tonic-gate new_sysid = sp->owner->client->sysidt; 77707c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 77717c478bd9Sstevel@tonic-gate 77727c478bd9Sstevel@tonic-gate /* 77737c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 77747c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 77757c478bd9Sstevel@tonic-gate */ 77767c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 77777c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 77787c478bd9Sstevel@tonic-gate new_sysid)); 77797c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 77807c478bd9Sstevel@tonic-gate } else { 77817c478bd9Sstevel@tonic-gate struct flock64 flk; 77827c478bd9Sstevel@tonic-gate 77837c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 77847c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 77857c478bd9Sstevel@tonic-gate flk.l_whence = 0; 77867c478bd9Sstevel@tonic-gate flk.l_start = 0; 77877c478bd9Sstevel@tonic-gate flk.l_len = 0; 77887c478bd9Sstevel@tonic-gate flk.l_sysid = sp->owner->client->sysidt; 77897c478bd9Sstevel@tonic-gate flk.l_pid = 0; 77907c478bd9Sstevel@tonic-gate (void) VOP_FRLOCK(sp->finfo->vp, F_SETLK, &flk, 77917c478bd9Sstevel@tonic-gate F_REMOTELOCK | FREAD | FWRITE, 7792da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 77937c478bd9Sstevel@tonic-gate } 77947c478bd9Sstevel@tonic-gate 77957c478bd9Sstevel@tonic-gate sp->owner->client->unlksys_completed = TRUE; 77967c478bd9Sstevel@tonic-gate } 77977c478bd9Sstevel@tonic-gate } 77987c478bd9Sstevel@tonic-gate 77997c478bd9Sstevel@tonic-gate /* 78007c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 78017c478bd9Sstevel@tonic-gate * least mark the locks as having been released 78027c478bd9Sstevel@tonic-gate */ 78037c478bd9Sstevel@tonic-gate for (lsp = sp->lockownerlist.next->lsp; lsp != NULL; 78041b300de9Sjwahlig lsp = lsp->lockownerlist.next->lsp) { 78057c478bd9Sstevel@tonic-gate 78067c478bd9Sstevel@tonic-gate lsp->locks_cleaned = TRUE; 78077c478bd9Sstevel@tonic-gate 78087c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 78097c478bd9Sstevel@tonic-gate if (!close_of_client && 78107c478bd9Sstevel@tonic-gate sp->owner->client->sysidt != LM_NOSYSID) 78117c478bd9Sstevel@tonic-gate (void) cleanlocks(sp->finfo->vp, lsp->locker->pid, 78121b300de9Sjwahlig lsp->locker->client->sysidt); 78137c478bd9Sstevel@tonic-gate } 78147c478bd9Sstevel@tonic-gate 78157c478bd9Sstevel@tonic-gate /* 78167c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 78177c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 78187c478bd9Sstevel@tonic-gate */ 78197c478bd9Sstevel@tonic-gate if (sp->owner->client->sysidt != LM_NOSYSID) { 78207c478bd9Sstevel@tonic-gate shr.s_access = s_access; 78217c478bd9Sstevel@tonic-gate shr.s_deny = s_deny; 78227c478bd9Sstevel@tonic-gate shr.s_pid = rfs4_dbe_getid(sp->owner->dbe); 78237c478bd9Sstevel@tonic-gate shr.s_sysid = sp->owner->client->sysidt; 78247c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 78257c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 78267c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 78277c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 78287c478bd9Sstevel@tonic-gate (void) vop_shrlock(sp->finfo->vp, F_UNSHARE, &shr, fflags); 78297c478bd9Sstevel@tonic-gate } 7830da6c28aaSamw 7831da6c28aaSamw (void) VOP_CLOSE(fp->vp, fflags, 1, (offset_t)0, cr, NULL); 78327c478bd9Sstevel@tonic-gate } 78337c478bd9Sstevel@tonic-gate 78347c478bd9Sstevel@tonic-gate /* 78357c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 78367c478bd9Sstevel@tonic-gate */ 78377c478bd9Sstevel@tonic-gate static nfsstat4 78387c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 78397c478bd9Sstevel@tonic-gate { 78407c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 78417c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 78427c478bd9Sstevel@tonic-gate uint32_t len; 78437c478bd9Sstevel@tonic-gate 78447c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 78457c478bd9Sstevel@tonic-gate if (lo != NULL) { 78467c478bd9Sstevel@tonic-gate cp = lo->client; 78477c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 78487c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 78497c478bd9Sstevel@tonic-gate rfs4_dbe_hold(cp->dbe); 78507c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 78517c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 78527c478bd9Sstevel@tonic-gate } 78537c478bd9Sstevel@tonic-gate dp->owner.clientid = lo->owner.clientid; 78547c478bd9Sstevel@tonic-gate len = lo->owner.owner_len; 78557c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 78567c478bd9Sstevel@tonic-gate bcopy(lo->owner.owner_val, dp->owner.owner_val, len); 78577c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 78587c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 78597c478bd9Sstevel@tonic-gate goto finish; 78607c478bd9Sstevel@tonic-gate } 78617c478bd9Sstevel@tonic-gate 78627c478bd9Sstevel@tonic-gate /* 78637c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 78647c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 78657c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 78667c478bd9Sstevel@tonic-gate * the lock owner to the pid. 78677c478bd9Sstevel@tonic-gate */ 78687c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 78697c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 78707c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 78717c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 78727c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 78737c478bd9Sstevel@tonic-gate finish: 78747c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 78757c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 78767c478bd9Sstevel@tonic-gate 78777c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 78787c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 78797c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 78807c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 78817c478bd9Sstevel@tonic-gate else 78827c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 78837c478bd9Sstevel@tonic-gate 78847c478bd9Sstevel@tonic-gate return (NFS4_OK); 78857c478bd9Sstevel@tonic-gate } 78867c478bd9Sstevel@tonic-gate 78877c478bd9Sstevel@tonic-gate static int 78887c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 78897c478bd9Sstevel@tonic-gate { 78907c478bd9Sstevel@tonic-gate int error; 78917c478bd9Sstevel@tonic-gate struct flock64 flk; 78927c478bd9Sstevel@tonic-gate int i; 78937c478bd9Sstevel@tonic-gate clock_t delaytime; 7894da6c28aaSamw int cmd; 78957c478bd9Sstevel@tonic-gate 7896da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 78977c478bd9Sstevel@tonic-gate retry: 78987c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 78997c478bd9Sstevel@tonic-gate 79007c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 7901da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 7902da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 7903da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 79047c478bd9Sstevel@tonic-gate 79057c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 79067c478bd9Sstevel@tonic-gate break; 79077c478bd9Sstevel@tonic-gate 79087c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 79097c478bd9Sstevel@tonic-gate delay(delaytime); 79107c478bd9Sstevel@tonic-gate delaytime *= 2; 79117c478bd9Sstevel@tonic-gate } 79127c478bd9Sstevel@tonic-gate } 79137c478bd9Sstevel@tonic-gate 79147c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 79157c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 79167c478bd9Sstevel@tonic-gate flk = *flock; 79177c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 7918da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 7919da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 79207c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 79217c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 79227c478bd9Sstevel@tonic-gate goto retry; 79237c478bd9Sstevel@tonic-gate } 79247c478bd9Sstevel@tonic-gate *flock = flk; 79257c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 79261b300de9Sjwahlig F_GETLK, &flk); 79277c478bd9Sstevel@tonic-gate } 79287c478bd9Sstevel@tonic-gate } 79297c478bd9Sstevel@tonic-gate 79307c478bd9Sstevel@tonic-gate return (error); 79317c478bd9Sstevel@tonic-gate } 79327c478bd9Sstevel@tonic-gate 79337c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 79347c478bd9Sstevel@tonic-gate static nfsstat4 79357c478bd9Sstevel@tonic-gate rfs4_do_lock(rfs4_lo_state_t *lp, nfs_lock_type4 locktype, 79367c478bd9Sstevel@tonic-gate seqid4 seqid, offset4 offset, 79377c478bd9Sstevel@tonic-gate length4 length, cred_t *cred, nfs_resop4 *resop) 79387c478bd9Sstevel@tonic-gate { 79397c478bd9Sstevel@tonic-gate nfsstat4 status; 79407c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo = lp->locker; 79417c478bd9Sstevel@tonic-gate rfs4_state_t *sp = lp->state; 79427c478bd9Sstevel@tonic-gate struct flock64 flock; 79437c478bd9Sstevel@tonic-gate int16_t ltype; 79447c478bd9Sstevel@tonic-gate int flag; 79457c478bd9Sstevel@tonic-gate int error; 79467c478bd9Sstevel@tonic-gate sysid_t sysid; 79477c478bd9Sstevel@tonic-gate LOCK4res *lres; 79487c478bd9Sstevel@tonic-gate 79497c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(lo->client)) { 79507c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 79517c478bd9Sstevel@tonic-gate } 79527c478bd9Sstevel@tonic-gate 79537c478bd9Sstevel@tonic-gate if ((status = rfs4_client_sysid(lo->client, &sysid)) != NFS4_OK) 79547c478bd9Sstevel@tonic-gate return (status); 79557c478bd9Sstevel@tonic-gate 79567c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 79577c478bd9Sstevel@tonic-gate if (length == 0) 79587c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 79597c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 79607c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 79617c478bd9Sstevel@tonic-gate 79627c478bd9Sstevel@tonic-gate retry: 79637c478bd9Sstevel@tonic-gate rfs4_dbe_lock(sp->dbe); 79647c478bd9Sstevel@tonic-gate 79657c478bd9Sstevel@tonic-gate 79667c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 79677c478bd9Sstevel@tonic-gate switch (locktype) { 79687c478bd9Sstevel@tonic-gate case READ_LT: 79697c478bd9Sstevel@tonic-gate case READW_LT: 79707c478bd9Sstevel@tonic-gate if ((sp->share_access 79717c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 79727c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 79737c478bd9Sstevel@tonic-gate 79747c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 79757c478bd9Sstevel@tonic-gate } 79767c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 79777c478bd9Sstevel@tonic-gate break; 79787c478bd9Sstevel@tonic-gate case WRITE_LT: 79797c478bd9Sstevel@tonic-gate case WRITEW_LT: 79807c478bd9Sstevel@tonic-gate if ((sp->share_access 79817c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 79827c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 79837c478bd9Sstevel@tonic-gate 79847c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 79857c478bd9Sstevel@tonic-gate } 79867c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 79877c478bd9Sstevel@tonic-gate break; 79887c478bd9Sstevel@tonic-gate } 79897c478bd9Sstevel@tonic-gate } else 79907c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 79917c478bd9Sstevel@tonic-gate 79927c478bd9Sstevel@tonic-gate flock.l_type = ltype; 79937c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 79947c478bd9Sstevel@tonic-gate flock.l_start = offset; 79957c478bd9Sstevel@tonic-gate flock.l_len = length; 79967c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 79977c478bd9Sstevel@tonic-gate flock.l_pid = lp->locker->pid; 79987c478bd9Sstevel@tonic-gate 79997c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 80007c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 80017c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 80027c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 80037c478bd9Sstevel@tonic-gate } 80047c478bd9Sstevel@tonic-gate 80057c478bd9Sstevel@tonic-gate /* 80067c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 80077c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 80087c478bd9Sstevel@tonic-gate */ 80097c478bd9Sstevel@tonic-gate flag = (int)sp->share_access | F_REMOTELOCK; 80107c478bd9Sstevel@tonic-gate 80117c478bd9Sstevel@tonic-gate error = setlock(sp->finfo->vp, &flock, flag, cred); 80127c478bd9Sstevel@tonic-gate if (error == 0) { 80137c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lp->dbe); 80147c478bd9Sstevel@tonic-gate next_stateid(&lp->lockid); 80157c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lp->dbe); 80167c478bd9Sstevel@tonic-gate } 80177c478bd9Sstevel@tonic-gate 80187c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(sp->dbe); 80197c478bd9Sstevel@tonic-gate 80207c478bd9Sstevel@tonic-gate /* 80217c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 80227c478bd9Sstevel@tonic-gate * than puterrno4 routine. 80237c478bd9Sstevel@tonic-gate */ 80247c478bd9Sstevel@tonic-gate switch (error) { 80257c478bd9Sstevel@tonic-gate case 0: 80267c478bd9Sstevel@tonic-gate status = NFS4_OK; 80277c478bd9Sstevel@tonic-gate break; 80287c478bd9Sstevel@tonic-gate case EAGAIN: 80297c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 80307c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 80317c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 80327c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 80337c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 80347c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 80351b300de9Sjwahlig == NFS4ERR_EXPIRED) 80367c478bd9Sstevel@tonic-gate goto retry; 80377c478bd9Sstevel@tonic-gate break; 80387c478bd9Sstevel@tonic-gate case ENOLCK: 80397c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 80407c478bd9Sstevel@tonic-gate break; 80417c478bd9Sstevel@tonic-gate case EOVERFLOW: 80427c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 80437c478bd9Sstevel@tonic-gate break; 80447c478bd9Sstevel@tonic-gate case EINVAL: 80457c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 80467c478bd9Sstevel@tonic-gate break; 80477c478bd9Sstevel@tonic-gate default: 80481b300de9Sjwahlig cmn_err(CE_WARN, "rfs4_do_lock: unexpected errno (%d)", error); 80497c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 80507c478bd9Sstevel@tonic-gate break; 80517c478bd9Sstevel@tonic-gate } 80527c478bd9Sstevel@tonic-gate 80537c478bd9Sstevel@tonic-gate return (status); 80547c478bd9Sstevel@tonic-gate } 80557c478bd9Sstevel@tonic-gate 80567c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 80577c478bd9Sstevel@tonic-gate void 80587c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 80597c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 80607c478bd9Sstevel@tonic-gate { 80617c478bd9Sstevel@tonic-gate /* XXX Currently not using req arg */ 80627c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 80637c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 80647c478bd9Sstevel@tonic-gate nfsstat4 status; 80657c478bd9Sstevel@tonic-gate stateid4 *stateid; 80667c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 80677c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 80687c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 80697c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 80707c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 80717c478bd9Sstevel@tonic-gate bool_t create = TRUE; 80727c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 80737c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 80747c478bd9Sstevel@tonic-gate int rc; 80757c478bd9Sstevel@tonic-gate 80767c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 80777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 80787c478bd9Sstevel@tonic-gate return; 80797c478bd9Sstevel@tonic-gate } 80807c478bd9Sstevel@tonic-gate 80817c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 80827c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 80837c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 80847c478bd9Sstevel@tonic-gate 80857c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 80867c478bd9Sstevel@tonic-gate 80877c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 80887c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 80897c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 80907c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 80911b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 80927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 80937c478bd9Sstevel@tonic-gate return; 80947c478bd9Sstevel@tonic-gate } 80957c478bd9Sstevel@tonic-gate 80967c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 80977c478bd9Sstevel@tonic-gate if (cs->vp != sp->finfo->vp) { 80987c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 80997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81007c478bd9Sstevel@tonic-gate return; 81017c478bd9Sstevel@tonic-gate } 81027c478bd9Sstevel@tonic-gate 81037c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 81047c478bd9Sstevel@tonic-gate rfs4_sw_enter(&sp->owner->oo_sw); 81057c478bd9Sstevel@tonic-gate 81067c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 81077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 81087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 81097c478bd9Sstevel@tonic-gate goto end; 81107c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 81117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81127c478bd9Sstevel@tonic-gate goto end; 81137c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 81147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 81157c478bd9Sstevel@tonic-gate goto end; 81167c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 81177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81187c478bd9Sstevel@tonic-gate goto end; 81197c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 81207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 81217c478bd9Sstevel@tonic-gate goto end; 81227c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 81237c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 81247c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 81251b300de9Sjwahlig sp->owner, resop)) { 81267c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 81277c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 81287c478bd9Sstevel@tonic-gate break; 81297c478bd9Sstevel@tonic-gate /* 81307c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 81317c478bd9Sstevel@tonic-gate * matches next expected, then client 81327c478bd9Sstevel@tonic-gate * is using wrong seqid. 81337c478bd9Sstevel@tonic-gate */ 81347c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 81357c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 81361b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 81377c478bd9Sstevel@tonic-gate goto end; 81387c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 81397c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 81407c478bd9Sstevel@tonic-gate dup_lock = TRUE; 81417c478bd9Sstevel@tonic-gate 81427c478bd9Sstevel@tonic-gate /* 81437c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 81447c478bd9Sstevel@tonic-gate * create a new lockowner as it should 81457c478bd9Sstevel@tonic-gate * already exist. 81467c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 81477c478bd9Sstevel@tonic-gate */ 81487c478bd9Sstevel@tonic-gate lcreate = FALSE; 81497c478bd9Sstevel@tonic-gate } 81507c478bd9Sstevel@tonic-gate break; 81517c478bd9Sstevel@tonic-gate } 81527c478bd9Sstevel@tonic-gate 81537c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 81547c478bd9Sstevel@tonic-gate if (lo == NULL) { 81557c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 81561b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no lock owner")); 81577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 81587c478bd9Sstevel@tonic-gate goto end; 81597c478bd9Sstevel@tonic-gate } 81607c478bd9Sstevel@tonic-gate 81617c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 81627c478bd9Sstevel@tonic-gate if (lsp == NULL) { 81637c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 81647c478bd9Sstevel@tonic-gate /* 81657c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 81667c478bd9Sstevel@tonic-gate * a duplicate request 81677c478bd9Sstevel@tonic-gate */ 81687c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 81697c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 81707c478bd9Sstevel@tonic-gate } 81717c478bd9Sstevel@tonic-gate 81727c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 81731b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no state")); 81747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 81757c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 81767c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 81777c478bd9Sstevel@tonic-gate goto end; 81787c478bd9Sstevel@tonic-gate } 81797c478bd9Sstevel@tonic-gate 81807c478bd9Sstevel@tonic-gate /* 81817c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 81827c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 81837c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 81847c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 81857c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 81867c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 81877c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 81887c478bd9Sstevel@tonic-gate * existing lock_owner branch. 81897c478bd9Sstevel@tonic-gate */ 81907c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 81917c478bd9Sstevel@tonic-gate if (lsp->lock_completed == TRUE) { 81927c478bd9Sstevel@tonic-gate *cs->statusp = 81931b300de9Sjwahlig resp->status = NFS4ERR_BAD_SEQID; 81947c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 81957c478bd9Sstevel@tonic-gate goto end; 81967c478bd9Sstevel@tonic-gate } 81977c478bd9Sstevel@tonic-gate } 81987c478bd9Sstevel@tonic-gate 81997c478bd9Sstevel@tonic-gate rfs4_update_lease(sp->owner->client); 82007c478bd9Sstevel@tonic-gate 82017c478bd9Sstevel@tonic-gate /* 82027c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 82037c478bd9Sstevel@tonic-gate * a duplicate request 82047c478bd9Sstevel@tonic-gate */ 82057c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 82067c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(sp->owner); 82077c478bd9Sstevel@tonic-gate } 82087c478bd9Sstevel@tonic-gate 82097c478bd9Sstevel@tonic-gate /* 82107c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 82117c478bd9Sstevel@tonic-gate * previously saved reply and return. 82127c478bd9Sstevel@tonic-gate */ 82137c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 82147c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 82157c478bd9Sstevel@tonic-gate if (lsp->seqid != olo->lock_seqid) { 82167c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 82171b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 82181b300de9Sjwahlig "lsp->seqid=%d old->seqid=%d", 82191b300de9Sjwahlig lsp->seqid, olo->lock_seqid)); 82207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 82217c478bd9Sstevel@tonic-gate } else { 82227c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lsp->reply); 82237c478bd9Sstevel@tonic-gate /* 82247c478bd9Sstevel@tonic-gate * Make sure to copy the just 82257c478bd9Sstevel@tonic-gate * retrieved reply status into the 82267c478bd9Sstevel@tonic-gate * overall compound status 82277c478bd9Sstevel@tonic-gate */ 82287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 82297c478bd9Sstevel@tonic-gate } 82307c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 82317c478bd9Sstevel@tonic-gate goto end; 82327c478bd9Sstevel@tonic-gate } 82337c478bd9Sstevel@tonic-gate 82347c478bd9Sstevel@tonic-gate rfs4_dbe_lock(lsp->dbe); 82357c478bd9Sstevel@tonic-gate 82367c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 82377c478bd9Sstevel@tonic-gate lsp->seqid = olo->lock_seqid; 82387c478bd9Sstevel@tonic-gate 82397c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 82401b300de9Sjwahlig (CE_NOTE, "Lock seqid established as %d", lsp->seqid)); 82417c478bd9Sstevel@tonic-gate 82427c478bd9Sstevel@tonic-gate /* 82437c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 82447c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 82457c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 82467c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 82477c478bd9Sstevel@tonic-gate */ 82487c478bd9Sstevel@tonic-gate lsp->skip_seqid_check = TRUE; 82497c478bd9Sstevel@tonic-gate 82507c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 82517c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 82527c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 82537c478bd9Sstevel@tonic-gate 82547c478bd9Sstevel@tonic-gate rfs4_dbe_unlock(lsp->dbe); 82557c478bd9Sstevel@tonic-gate 82567c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 82577c478bd9Sstevel@tonic-gate } else { 82587c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 82597c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 82607c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 82617c478bd9Sstevel@tonic-gate != NFS4_OK) { 82627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 82637c478bd9Sstevel@tonic-gate return; 82647c478bd9Sstevel@tonic-gate } 82657c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 82667c478bd9Sstevel@tonic-gate 82677c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 82687c478bd9Sstevel@tonic-gate if (cs->vp != lsp->state->finfo->vp) { 82697c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 82707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82717c478bd9Sstevel@tonic-gate return; 82727c478bd9Sstevel@tonic-gate } 82737c478bd9Sstevel@tonic-gate 82747c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 82757c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 82767c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 82777c478bd9Sstevel@tonic-gate 82787c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 82797c478bd9Sstevel@tonic-gate /* 82807c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 82817c478bd9Sstevel@tonic-gate * the next one) 82827c478bd9Sstevel@tonic-gate */ 82837c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 82847c478bd9Sstevel@tonic-gate /* 82857c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 82867c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 82877c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 82887c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 82897c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 82907c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 82917c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 82927c478bd9Sstevel@tonic-gate * updated. That case is handled below when 82937c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 82947c478bd9Sstevel@tonic-gate * second is the case where an error is 82957c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 82967c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 82977c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 82987c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 82997c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 83007c478bd9Sstevel@tonic-gate * replay but it is okay. 83017c478bd9Sstevel@tonic-gate */ 83027c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 83031b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 83041b300de9Sjwahlig lsp, resop)) { 83057c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 83067c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 83077c478bd9Sstevel@tonic-gate /* 83087c478bd9Sstevel@tonic-gate * Here is our replay and need 83097c478bd9Sstevel@tonic-gate * to verify that the last 83107c478bd9Sstevel@tonic-gate * response was an error. 83117c478bd9Sstevel@tonic-gate */ 83127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 83137c478bd9Sstevel@tonic-gate goto end; 83147c478bd9Sstevel@tonic-gate } 83157c478bd9Sstevel@tonic-gate /* 83167c478bd9Sstevel@tonic-gate * This is done since the sequence id 83177c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 83187c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 83197c478bd9Sstevel@tonic-gate * returned as a result. 83207c478bd9Sstevel@tonic-gate */ 83217c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 83227c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 83231b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 83247c478bd9Sstevel@tonic-gate goto end; 83257c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 83267c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 83277c478bd9Sstevel@tonic-gate break; 83287c478bd9Sstevel@tonic-gate } 83297c478bd9Sstevel@tonic-gate break; 83307c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 83317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 83327c478bd9Sstevel@tonic-gate goto end; 83337c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 83347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 83357c478bd9Sstevel@tonic-gate goto end; 83367c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 83377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 83387c478bd9Sstevel@tonic-gate goto end; 83397c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 83407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 83417c478bd9Sstevel@tonic-gate goto end; 83427c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 83437c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 83441b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 83451b300de9Sjwahlig lsp, resop)) { 83467c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 83477c478bd9Sstevel@tonic-gate /* 83487c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 83497c478bd9Sstevel@tonic-gate * seqid matches the next expected, 83507c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 83517c478bd9Sstevel@tonic-gate */ 83527c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 83531b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 83547c478bd9Sstevel@tonic-gate goto end; 83557c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 83567c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 83577c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 83587c478bd9Sstevel@tonic-gate goto end; 83597c478bd9Sstevel@tonic-gate } 83607c478bd9Sstevel@tonic-gate break; 83617c478bd9Sstevel@tonic-gate default: 83627c478bd9Sstevel@tonic-gate ASSERT(FALSE); 83637c478bd9Sstevel@tonic-gate break; 83647c478bd9Sstevel@tonic-gate } 83657c478bd9Sstevel@tonic-gate 83667c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 83677c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 83687c478bd9Sstevel@tonic-gate } 83697c478bd9Sstevel@tonic-gate 83707c478bd9Sstevel@tonic-gate /* 83717c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 83727c478bd9Sstevel@tonic-gate * verify type of object. 83737c478bd9Sstevel@tonic-gate */ 83747c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 83757c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 83767c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 83777c478bd9Sstevel@tonic-gate else 83787c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 83797c478bd9Sstevel@tonic-gate goto out; 83807c478bd9Sstevel@tonic-gate } 83817c478bd9Sstevel@tonic-gate 83827c478bd9Sstevel@tonic-gate cp = lsp->state->owner->client; 83837c478bd9Sstevel@tonic-gate 83847c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 83857c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 83867c478bd9Sstevel@tonic-gate goto out; 83877c478bd9Sstevel@tonic-gate } 83887c478bd9Sstevel@tonic-gate 83897c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->can_reclaim) { 83907c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 83917c478bd9Sstevel@tonic-gate goto out; 83927c478bd9Sstevel@tonic-gate } 83937c478bd9Sstevel@tonic-gate 83947c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 83957c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 83967c478bd9Sstevel@tonic-gate goto out; 83977c478bd9Sstevel@tonic-gate } 83987c478bd9Sstevel@tonic-gate 83997c478bd9Sstevel@tonic-gate if (lsp->state->finfo->dinfo->dtype == OPEN_DELEGATE_WRITE) 84007c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 84017c478bd9Sstevel@tonic-gate 84027c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 84031b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 84041b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 84057c478bd9Sstevel@tonic-gate 84067c478bd9Sstevel@tonic-gate out: 84077c478bd9Sstevel@tonic-gate lsp->skip_seqid_check = FALSE; 84087c478bd9Sstevel@tonic-gate 84097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 84107c478bd9Sstevel@tonic-gate 84117c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 84127c478bd9Sstevel@tonic-gate resp->LOCK4res_u.lock_stateid = lsp->lockid.stateid; 84137c478bd9Sstevel@tonic-gate lsp->lock_completed = TRUE; 84147c478bd9Sstevel@tonic-gate } 84157c478bd9Sstevel@tonic-gate /* 84167c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 84177c478bd9Sstevel@tonic-gate * lock_owner 84187c478bd9Sstevel@tonic-gate */ 84197c478bd9Sstevel@tonic-gate if (sp) 84207c478bd9Sstevel@tonic-gate rfs4_update_open_resp(sp->owner, resop, NULL); 84217c478bd9Sstevel@tonic-gate 84227c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 84237c478bd9Sstevel@tonic-gate 84247c478bd9Sstevel@tonic-gate end: 84257c478bd9Sstevel@tonic-gate if (lsp) { 84267c478bd9Sstevel@tonic-gate if (ls_sw_held) 84277c478bd9Sstevel@tonic-gate rfs4_sw_exit(&lsp->ls_sw); 84287c478bd9Sstevel@tonic-gate /* 84297c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 84307c478bd9Sstevel@tonic-gate * a lock on the file struct. 84317c478bd9Sstevel@tonic-gate */ 84327c478bd9Sstevel@tonic-gate if (sp != NULL) 84337c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 84347c478bd9Sstevel@tonic-gate else 84357c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 84367c478bd9Sstevel@tonic-gate } 84377c478bd9Sstevel@tonic-gate if (sp) { 84387c478bd9Sstevel@tonic-gate rfs4_sw_exit(&sp->owner->oo_sw); 84397c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 84407c478bd9Sstevel@tonic-gate } 84417c478bd9Sstevel@tonic-gate } 84427c478bd9Sstevel@tonic-gate 84437c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 84447c478bd9Sstevel@tonic-gate static void 84457c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 84467c478bd9Sstevel@tonic-gate { 84477c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 84487c478bd9Sstevel@tonic-gate 84497c478bd9Sstevel@tonic-gate switch (resop->resop) { 84507c478bd9Sstevel@tonic-gate case OP_LOCK: 84517c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 84527c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 84537c478bd9Sstevel@tonic-gate break; 84547c478bd9Sstevel@tonic-gate case OP_LOCKT: 84557c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 84567c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 84577c478bd9Sstevel@tonic-gate break; 84587c478bd9Sstevel@tonic-gate default: 84597c478bd9Sstevel@tonic-gate break; 84607c478bd9Sstevel@tonic-gate } 84617c478bd9Sstevel@tonic-gate 84627c478bd9Sstevel@tonic-gate if (dp) 84637c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 84647c478bd9Sstevel@tonic-gate } 84657c478bd9Sstevel@tonic-gate 84667c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 84677c478bd9Sstevel@tonic-gate void 84687c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 84697c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 84707c478bd9Sstevel@tonic-gate { 84717c478bd9Sstevel@tonic-gate /* XXX Currently not using req arg */ 84727c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 84737c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 84747c478bd9Sstevel@tonic-gate nfsstat4 status; 84757c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 84767c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 84777c478bd9Sstevel@tonic-gate 84787c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 84797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 84807c478bd9Sstevel@tonic-gate return; 84817c478bd9Sstevel@tonic-gate } 84827c478bd9Sstevel@tonic-gate 84837c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 84847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 84857c478bd9Sstevel@tonic-gate return; 84867c478bd9Sstevel@tonic-gate } 84877c478bd9Sstevel@tonic-gate 84887c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 84897c478bd9Sstevel@tonic-gate if (cs->vp != lsp->state->finfo->vp) { 84907c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 84917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 84927c478bd9Sstevel@tonic-gate return; 84937c478bd9Sstevel@tonic-gate } 84947c478bd9Sstevel@tonic-gate 84957c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 84967c478bd9Sstevel@tonic-gate rfs4_sw_enter(&lsp->ls_sw); 84977c478bd9Sstevel@tonic-gate 84987c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 84997c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 85007c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 85017c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 85027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 85037c478bd9Sstevel@tonic-gate goto end; 85047c478bd9Sstevel@tonic-gate } 85057c478bd9Sstevel@tonic-gate break; 85067c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 85077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 85087c478bd9Sstevel@tonic-gate goto end; 85097c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 85107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 85117c478bd9Sstevel@tonic-gate goto end; 85127c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 85137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 85147c478bd9Sstevel@tonic-gate goto end; 85157c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 85167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 85177c478bd9Sstevel@tonic-gate goto end; 85187c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 85197c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 85207c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 85217c478bd9Sstevel@tonic-gate /* 85227c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 85237c478bd9Sstevel@tonic-gate * seqid matches the next expected, 85247c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 85257c478bd9Sstevel@tonic-gate */ 85267c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 85271b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 85287c478bd9Sstevel@tonic-gate goto end; 85297c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 85307c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 85317c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 85327c478bd9Sstevel@tonic-gate goto end; 85337c478bd9Sstevel@tonic-gate } 85347c478bd9Sstevel@tonic-gate break; 85357c478bd9Sstevel@tonic-gate default: 85367c478bd9Sstevel@tonic-gate ASSERT(FALSE); 85377c478bd9Sstevel@tonic-gate break; 85387c478bd9Sstevel@tonic-gate } 85397c478bd9Sstevel@tonic-gate 85407c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 85417c478bd9Sstevel@tonic-gate rfs4_update_lease(lsp->locker->client); 85427c478bd9Sstevel@tonic-gate 85437c478bd9Sstevel@tonic-gate /* 85447c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 85457c478bd9Sstevel@tonic-gate * verify type of object. 85467c478bd9Sstevel@tonic-gate */ 85477c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 85487c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 85497c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 85507c478bd9Sstevel@tonic-gate else 85517c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 85527c478bd9Sstevel@tonic-gate goto out; 85537c478bd9Sstevel@tonic-gate } 85547c478bd9Sstevel@tonic-gate 85557c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(lsp->state->owner->client)) { 85567c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 85577c478bd9Sstevel@tonic-gate goto out; 85587c478bd9Sstevel@tonic-gate } 85597c478bd9Sstevel@tonic-gate 85607c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 85611b300de9Sjwahlig args->seqid, args->offset, args->length, cs->cr, resop); 85627c478bd9Sstevel@tonic-gate 85637c478bd9Sstevel@tonic-gate out: 85647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 85657c478bd9Sstevel@tonic-gate 85667c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 85677c478bd9Sstevel@tonic-gate resp->lock_stateid = lsp->lockid.stateid; 85687c478bd9Sstevel@tonic-gate 85697c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 85707c478bd9Sstevel@tonic-gate 85717c478bd9Sstevel@tonic-gate end: 85727c478bd9Sstevel@tonic-gate rfs4_sw_exit(&lsp->ls_sw); 85737c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 85747c478bd9Sstevel@tonic-gate } 85757c478bd9Sstevel@tonic-gate 85767c478bd9Sstevel@tonic-gate /* 85777c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 85787c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 85797c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 85807c478bd9Sstevel@tonic-gate * and can not be accurate. 85817c478bd9Sstevel@tonic-gate */ 85827c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85837c478bd9Sstevel@tonic-gate void 85847c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 85857c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 85867c478bd9Sstevel@tonic-gate { 85877c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 85887c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 85897c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 85907c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 85917c478bd9Sstevel@tonic-gate bool_t create = FALSE; 85927c478bd9Sstevel@tonic-gate struct flock64 flk; 85937c478bd9Sstevel@tonic-gate int error; 85947c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 85957c478bd9Sstevel@tonic-gate int ltype; 85967c478bd9Sstevel@tonic-gate length4 posix_length; 85977c478bd9Sstevel@tonic-gate sysid_t sysid; 85987c478bd9Sstevel@tonic-gate pid_t pid; 85997c478bd9Sstevel@tonic-gate 86007c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 86017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 86027c478bd9Sstevel@tonic-gate return; 86037c478bd9Sstevel@tonic-gate } 86047c478bd9Sstevel@tonic-gate 86057c478bd9Sstevel@tonic-gate /* 86067c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 86077c478bd9Sstevel@tonic-gate * verify type of object. 86087c478bd9Sstevel@tonic-gate */ 86097c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 86107c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 86117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 86127c478bd9Sstevel@tonic-gate else 86137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 86147c478bd9Sstevel@tonic-gate return; 86157c478bd9Sstevel@tonic-gate } 86167c478bd9Sstevel@tonic-gate 86177c478bd9Sstevel@tonic-gate /* 86187c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 86197c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 86207c478bd9Sstevel@tonic-gate */ 86217c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 86227c478bd9Sstevel@tonic-gate == NULL) { 86237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 86241b300de9Sjwahlig rfs4_check_clientid(&args->owner.clientid, 0); 86257c478bd9Sstevel@tonic-gate return; 86267c478bd9Sstevel@tonic-gate } 86277c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 86287c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 86297c478bd9Sstevel@tonic-gate /* 86307c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 86317c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 86327c478bd9Sstevel@tonic-gate * is returned instead 86337c478bd9Sstevel@tonic-gate */ 86347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 86357c478bd9Sstevel@tonic-gate return; 86367c478bd9Sstevel@tonic-gate } 86377c478bd9Sstevel@tonic-gate 86387c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp)) { 86397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 86407c478bd9Sstevel@tonic-gate return; 86417c478bd9Sstevel@tonic-gate } 86427c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 86437c478bd9Sstevel@tonic-gate 86447c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 86457c478bd9Sstevel@tonic-gate 86467c478bd9Sstevel@tonic-gate switch (args->locktype) { 86477c478bd9Sstevel@tonic-gate case READ_LT: 86487c478bd9Sstevel@tonic-gate case READW_LT: 86497c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 86507c478bd9Sstevel@tonic-gate break; 86517c478bd9Sstevel@tonic-gate case WRITE_LT: 86527c478bd9Sstevel@tonic-gate case WRITEW_LT: 86537c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 86547c478bd9Sstevel@tonic-gate break; 86557c478bd9Sstevel@tonic-gate } 86567c478bd9Sstevel@tonic-gate 86577c478bd9Sstevel@tonic-gate posix_length = args->length; 86587c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 86597c478bd9Sstevel@tonic-gate if (posix_length == 0) { 86607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 86617c478bd9Sstevel@tonic-gate return; 86627c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 86637c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 86647c478bd9Sstevel@tonic-gate } 86657c478bd9Sstevel@tonic-gate 86667c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 86677c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 86687c478bd9Sstevel@tonic-gate 86697c478bd9Sstevel@tonic-gate if (lo) { 86707c478bd9Sstevel@tonic-gate pid = lo->pid; 86717c478bd9Sstevel@tonic-gate if ((resp->status = 86721b300de9Sjwahlig rfs4_client_sysid(lo->client, &sysid)) != NFS4_OK) 86737c478bd9Sstevel@tonic-gate goto out; 86747c478bd9Sstevel@tonic-gate } else { 86757c478bd9Sstevel@tonic-gate pid = 0; 86767c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 86777c478bd9Sstevel@tonic-gate } 86787c478bd9Sstevel@tonic-gate retry: 86797c478bd9Sstevel@tonic-gate flk.l_type = ltype; 86807c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 86817c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 86827c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 86837c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 86847c478bd9Sstevel@tonic-gate flk.l_pid = pid; 86857c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 86867c478bd9Sstevel@tonic-gate 86877c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 86887c478bd9Sstevel@tonic-gate 86897c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 86907c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 86917c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 86927c478bd9Sstevel@tonic-gate goto out; 86937c478bd9Sstevel@tonic-gate } 86947c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 8695da6c28aaSamw NULL, cs->cr, NULL); 86967c478bd9Sstevel@tonic-gate 86977c478bd9Sstevel@tonic-gate /* 86987c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 86997c478bd9Sstevel@tonic-gate * than puterrno4 routine. 87007c478bd9Sstevel@tonic-gate */ 87017c478bd9Sstevel@tonic-gate switch (error) { 87027c478bd9Sstevel@tonic-gate case 0: 87037c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 87047c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 87057c478bd9Sstevel@tonic-gate else { 87067c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 87077c478bd9Sstevel@tonic-gate goto retry; 87087c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 87097c478bd9Sstevel@tonic-gate } 87107c478bd9Sstevel@tonic-gate break; 87117c478bd9Sstevel@tonic-gate case EOVERFLOW: 87127c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 87137c478bd9Sstevel@tonic-gate break; 87147c478bd9Sstevel@tonic-gate case EINVAL: 87157c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 87167c478bd9Sstevel@tonic-gate break; 87177c478bd9Sstevel@tonic-gate default: 87187c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 87191b300de9Sjwahlig error); 87207c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 87217c478bd9Sstevel@tonic-gate break; 87227c478bd9Sstevel@tonic-gate } 87237c478bd9Sstevel@tonic-gate 87247c478bd9Sstevel@tonic-gate out: 87257c478bd9Sstevel@tonic-gate if (lo) 87267c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 87277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 87287c478bd9Sstevel@tonic-gate } 87297c478bd9Sstevel@tonic-gate 87307c478bd9Sstevel@tonic-gate static int 87317c478bd9Sstevel@tonic-gate vop_shrlock(vnode_t *vp, int cmd, struct shrlock *sp, int fflags) 87327c478bd9Sstevel@tonic-gate { 87337c478bd9Sstevel@tonic-gate int err; 87347c478bd9Sstevel@tonic-gate 87357c478bd9Sstevel@tonic-gate if (cmd == F_UNSHARE && sp->s_deny == 0 && sp->s_access == 0) 87367c478bd9Sstevel@tonic-gate return (0); 87377c478bd9Sstevel@tonic-gate 8738da6c28aaSamw err = VOP_SHRLOCK(vp, cmd, sp, fflags, CRED(), NULL); 87397c478bd9Sstevel@tonic-gate 87407c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_shrlock_debug, 87411b300de9Sjwahlig (CE_NOTE, "rfs4_shrlock %s vp=%p acc=%d dny=%d sysid=%d " 8742da6c28aaSamw "pid=%d err=%d\n", cmd == F_UNSHARE ? "UNSHR" : "SHARE", 87431b300de9Sjwahlig (void *) vp, sp->s_access, sp->s_deny, sp->s_sysid, sp->s_pid, 87441b300de9Sjwahlig err)); 87457c478bd9Sstevel@tonic-gate 87467c478bd9Sstevel@tonic-gate return (err); 87477c478bd9Sstevel@tonic-gate } 87487c478bd9Sstevel@tonic-gate 87497c478bd9Sstevel@tonic-gate static int 87507c478bd9Sstevel@tonic-gate rfs4_shrlock(rfs4_state_t *sp, int cmd) 87517c478bd9Sstevel@tonic-gate { 87527c478bd9Sstevel@tonic-gate struct shrlock shr; 87537c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 87547c478bd9Sstevel@tonic-gate int fflags; 87557c478bd9Sstevel@tonic-gate 87567c478bd9Sstevel@tonic-gate fflags = shr.s_access = shr.s_deny = 0; 87577c478bd9Sstevel@tonic-gate 87587c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_READ) { 87597c478bd9Sstevel@tonic-gate fflags |= FREAD; 87607c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 87617c478bd9Sstevel@tonic-gate } 87627c478bd9Sstevel@tonic-gate if (sp->share_access & OPEN4_SHARE_ACCESS_WRITE) { 87637c478bd9Sstevel@tonic-gate fflags |= FWRITE; 87647c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 87657c478bd9Sstevel@tonic-gate } 87667c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_READ) 87677c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 87687c478bd9Sstevel@tonic-gate if (sp->share_deny & OPEN4_SHARE_DENY_WRITE) 87697c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 87707c478bd9Sstevel@tonic-gate 87717c478bd9Sstevel@tonic-gate shr.s_pid = rfs4_dbe_getid(sp->owner->dbe); 87727c478bd9Sstevel@tonic-gate shr.s_sysid = sp->owner->client->sysidt; 87737c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 87747c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 87757c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 87767c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 87777c478bd9Sstevel@tonic-gate return (vop_shrlock(sp->finfo->vp, cmd, &shr, fflags)); 87787c478bd9Sstevel@tonic-gate } 87797c478bd9Sstevel@tonic-gate 87807c478bd9Sstevel@tonic-gate static int 87817c478bd9Sstevel@tonic-gate rfs4_share(rfs4_state_t *sp) 87827c478bd9Sstevel@tonic-gate { 8783da6c28aaSamw int cmd; 8784da6c28aaSamw cmd = nbl_need_check(sp->finfo->vp) ? F_SHARE_NBMAND : F_SHARE; 8785da6c28aaSamw return (rfs4_shrlock(sp, cmd)); 87867c478bd9Sstevel@tonic-gate } 87877c478bd9Sstevel@tonic-gate 87887c478bd9Sstevel@tonic-gate void 87897c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 87907c478bd9Sstevel@tonic-gate { 87917c478bd9Sstevel@tonic-gate (void) rfs4_shrlock(sp, F_UNSHARE); 87927c478bd9Sstevel@tonic-gate } 8793