17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 225679c89fSjv * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 277c478bd9Sstevel@tonic-gate * Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T. 287c478bd9Sstevel@tonic-gate * All Rights Reserved 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #include <sys/param.h> 327c478bd9Sstevel@tonic-gate #include <sys/types.h> 337c478bd9Sstevel@tonic-gate #include <sys/systm.h> 347c478bd9Sstevel@tonic-gate #include <sys/cred.h> 357c478bd9Sstevel@tonic-gate #include <sys/buf.h> 367c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 37aa59c4cbSrsb #include <sys/vfs_opreg.h> 387c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 397c478bd9Sstevel@tonic-gate #include <sys/uio.h> 407c478bd9Sstevel@tonic-gate #include <sys/errno.h> 417c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 427c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 437c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 447c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 457c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 467c478bd9Sstevel@tonic-gate #include <sys/debug.h> 477c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 487c478bd9Sstevel@tonic-gate #include <sys/flock.h> 497c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 507c478bd9Sstevel@tonic-gate #include <sys/nbmlock.h> 517c478bd9Sstevel@tonic-gate #include <sys/share.h> 527c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 537c478bd9Sstevel@tonic-gate #include <sys/policy.h> 547c478bd9Sstevel@tonic-gate #include <sys/fem.h> 5545916cd2Sjpk #include <sys/sdt.h> 56cee86682Scalum #include <sys/ddi.h> 575679c89fSjv #include <sys/zone.h> 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate #include <rpc/types.h> 607c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 617c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 627c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 657c478bd9Sstevel@tonic-gate #include <nfs/export.h> 66b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <nfs/nfs_cmd.h> 677c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 687c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 717c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate #include <inet/common.h> 747c478bd9Sstevel@tonic-gate #include <inet/ip.h> 757c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 767c478bd9Sstevel@tonic-gate 7745916cd2Sjpk #include <sys/tsol/label.h> 7845916cd2Sjpk #include <sys/tsol/tndb.h> 7945916cd2Sjpk 807c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 817c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 827c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 830a701b1eSRobert Gordon static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 840a701b1eSRobert Gordon extern struct svc_ops rdma_svc_ops; 857c478bd9Sstevel@tonic-gate /* End of Tunables */ 867c478bd9Sstevel@tonic-gate 870a701b1eSRobert Gordon static int rdma_setup_read_data4(READ4args *, READ4res *); 880a701b1eSRobert Gordon 897c478bd9Sstevel@tonic-gate /* 907c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 917c478bd9Sstevel@tonic-gate */ 927c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* 957c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 967c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 977c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 987c478bd9Sstevel@tonic-gate * XDR encoded dirent. 997c478bd9Sstevel@tonic-gate * 1007c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 1017c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1027c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1037c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1047c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1057c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1067c478bd9Sstevel@tonic-gate * 1077c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1087c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1097c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1107c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1117c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1127c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1137c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1147c478bd9Sstevel@tonic-gate * 1157c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1167c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1177c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1187c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1197c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1207c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1217c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1227c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1237c478bd9Sstevel@tonic-gate */ 1247c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1257c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1267c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1277c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* 1307c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1317c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1327c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1337c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1347c478bd9Sstevel@tonic-gate * UTF8 functions. 1357c478bd9Sstevel@tonic-gate * 1367c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1377c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1387c478bd9Sstevel@tonic-gate * 1397c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1407c478bd9Sstevel@tonic-gate * 1417c478bd9Sstevel@tonic-gate */ 1427c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1437c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1487c478bd9Sstevel@tonic-gate 1490a701b1eSRobert Gordon u_longlong_t nfs4_srv_caller_id; 1500a701b1eSRobert Gordon uint_t nfs4_srv_vkey = 0; 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1537c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1547c478bd9Sstevel@tonic-gate 1550a701b1eSRobert Gordon void rfs4_init_compound_state(struct compound_state *); 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1587c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1597c478bd9Sstevel@tonic-gate struct compound_state *); 1607c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1617c478bd9Sstevel@tonic-gate struct compound_state *); 1627c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1637c478bd9Sstevel@tonic-gate struct compound_state *); 1647c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1657c478bd9Sstevel@tonic-gate struct compound_state *); 1667c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1677c478bd9Sstevel@tonic-gate struct compound_state *); 1687c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 170f3b585ceSsamf struct svc_req *, struct compound_state *); 171f3b585ceSsamf static void rfs4_op_delegpurge(nfs_argop4 *, nfs_resop4 *, 172f3b585ceSsamf struct svc_req *, struct compound_state *); 1737c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1747c478bd9Sstevel@tonic-gate struct compound_state *); 1757c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1767c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1777c478bd9Sstevel@tonic-gate struct compound_state *); 1787c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1797c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1807c478bd9Sstevel@tonic-gate struct compound_state *); 1817c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1827c478bd9Sstevel@tonic-gate struct compound_state *); 1837c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1847c478bd9Sstevel@tonic-gate struct compound_state *); 1857c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1867c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1877c478bd9Sstevel@tonic-gate struct compound_state *); 1887c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1897c478bd9Sstevel@tonic-gate struct compound_state *); 1907c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1917c478bd9Sstevel@tonic-gate struct compound_state *); 1927c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1937c478bd9Sstevel@tonic-gate struct compound_state *); 1947c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 1957c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 1967c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1977c478bd9Sstevel@tonic-gate struct compound_state *); 1987c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1997c478bd9Sstevel@tonic-gate struct compound_state *); 2007c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 2017c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2027c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 2037c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2047c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2057c478bd9Sstevel@tonic-gate struct compound_state *); 2067c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2077c478bd9Sstevel@tonic-gate struct compound_state *); 2087c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2097c478bd9Sstevel@tonic-gate struct compound_state *); 2107c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2117c478bd9Sstevel@tonic-gate struct compound_state *); 2127c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2137c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2147c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2157c478bd9Sstevel@tonic-gate struct compound_state *); 2167c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2177c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2187c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2197c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2207c478bd9Sstevel@tonic-gate struct compound_state *); 2217c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2227c478bd9Sstevel@tonic-gate struct compound_state *); 2237c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2247c478bd9Sstevel@tonic-gate struct compound_state *); 2257c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2267c478bd9Sstevel@tonic-gate struct compound_state *); 2277c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2287c478bd9Sstevel@tonic-gate struct compound_state *); 2297c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2307c478bd9Sstevel@tonic-gate struct compound_state *); 2317c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2327c478bd9Sstevel@tonic-gate struct compound_state *); 2337c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2347c478bd9Sstevel@tonic-gate struct compound_state *); 2357c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2367c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2377c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2387c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2397c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2407c478bd9Sstevel@tonic-gate struct compound_state *); 2417c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2427c478bd9Sstevel@tonic-gate 2437c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2447c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2457c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 2467c478bd9Sstevel@tonic-gate void rfs4_ss_clid(rfs4_client_t *, struct svc_req *); 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate /* 2497c478bd9Sstevel@tonic-gate * translation table for attrs 2507c478bd9Sstevel@tonic-gate */ 2517c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2527c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2537c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2547c478bd9Sstevel@tonic-gate int attrcnt; 2557c478bd9Sstevel@tonic-gate bool_t vfsstat; 2567c478bd9Sstevel@tonic-gate }; 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2597c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2607c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2637c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2647c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2657c478bd9Sstevel@tonic-gate 2660a701b1eSRobert Gordon fem_t *deleg_rdops; 2670a701b1eSRobert Gordon fem_t *deleg_wrops; 2687c478bd9Sstevel@tonic-gate 2690a701b1eSRobert Gordon rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2700a701b1eSRobert Gordon kmutex_t rfs4_servinst_lock; /* protects linked list */ 2717c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate /* 2747c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2757c478bd9Sstevel@tonic-gate */ 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate struct rfsv4disp { 2787c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2797c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2807c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2817c478bd9Sstevel@tonic-gate }; 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2847c478bd9Sstevel@tonic-gate /* 2857c478bd9Sstevel@tonic-gate * NFS VERSION 4 2867c478bd9Sstevel@tonic-gate */ 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2897c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2927c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 2957c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 2987c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 2997c478bd9Sstevel@tonic-gate 3007c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3017c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3047c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3077c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 310f3b585ceSsamf {rfs4_op_delegpurge, nullfree, 0}, 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3137c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3167c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3197c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3227c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3257c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3287c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3317c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3340a701b1eSRobert Gordon {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3370a701b1eSRobert Gordon {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3407c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3417c478bd9Sstevel@tonic-gate 3427c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3437c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3467c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3497c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3527c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3557c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3587c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3617c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3647c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3677c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3707c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3737c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3767c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3797c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3827c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3857c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3887c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3917c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3947c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 3977c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 4007c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4037c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4067c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4077c478bd9Sstevel@tonic-gate }; 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate #ifdef DEBUG 4147c478bd9Sstevel@tonic-gate 4150a701b1eSRobert Gordon int rfs4_fillone_debug = 0; 4160a701b1eSRobert Gordon int rfs4_no_stub_access = 1; 4170a701b1eSRobert Gordon int rfs4_rddir_debug = 0; 4187c478bd9Sstevel@tonic-gate 4190a701b1eSRobert Gordon 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 4640a701b1eSRobert Gordon void rfs4_ss_chkclid(rfs4_client_t *); 4657c478bd9Sstevel@tonic-gate 4660a701b1eSRobert Gordon 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[] = { 474cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 475cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 476cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 477aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 478cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 479cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 480cfae96c2Sjwahlig 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[] = { 484cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 485cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 486cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 487cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 488aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 489cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 490cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 491cfae96c2Sjwahlig 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 */ 5215679c89fSjv verf.tv_sec = (time_t)zone_get_hostid(NULL); 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 rw_enter(&sip->rwlock, RW_WRITER); 60095d3e419SDai Ngo sip->start_time = (time_t)TICK_TO_SEC(lbolt); 6017c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6027c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6037c478bd9Sstevel@tonic-gate } 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate /* 6067c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6077c478bd9Sstevel@tonic-gate */ 6087c478bd9Sstevel@tonic-gate int 6097c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6107c478bd9Sstevel@tonic-gate { 6117c478bd9Sstevel@tonic-gate time_t start_time; 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6147c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6157c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate return (start_time == 0); 6187c478bd9Sstevel@tonic-gate } 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate /* 6217c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6227c478bd9Sstevel@tonic-gate * grace period. 6237c478bd9Sstevel@tonic-gate */ 6247c478bd9Sstevel@tonic-gate int 6257c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6267c478bd9Sstevel@tonic-gate { 6277c478bd9Sstevel@tonic-gate time_t grace_expiry; 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6307c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6317c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6327c478bd9Sstevel@tonic-gate 63395d3e419SDai Ngo return (((time_t)TICK_TO_SEC(lbolt)) < grace_expiry); 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate int 6377c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6387c478bd9Sstevel@tonic-gate { 639*d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 6407c478bd9Sstevel@tonic-gate 641*d216dff5SRobert Mastors return (rfs4_servinst_in_grace(cp->rc_server_instance)); 6427c478bd9Sstevel@tonic-gate } 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate /* 6457c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6467c478bd9Sstevel@tonic-gate */ 6477c478bd9Sstevel@tonic-gate void 6487c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6497c478bd9Sstevel@tonic-gate { 6507c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6517c478bd9Sstevel@tonic-gate 6527c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 653cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 654cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6557c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6567c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6577c478bd9Sstevel@tonic-gate } 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate /* 6607c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6617c478bd9Sstevel@tonic-gate */ 6627c478bd9Sstevel@tonic-gate void 6637c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6647c478bd9Sstevel@tonic-gate { 6657c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6667c478bd9Sstevel@tonic-gate 6677c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 668cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6697c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6707c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6717c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 672cee86682Scalum } 673cee86682Scalum 674cee86682Scalum static rfs4_dss_path_t * 675cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 676cee86682Scalum { 677cee86682Scalum size_t len; 678cee86682Scalum rfs4_dss_path_t *dss_path; 679cee86682Scalum 680cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 681cee86682Scalum 682cee86682Scalum /* 683cee86682Scalum * Take a copy of the string, since the original may be overwritten. 684cee86682Scalum * Sadly, no strdup() in the kernel. 685cee86682Scalum */ 686cee86682Scalum /* allow for NUL */ 687cee86682Scalum len = strlen(path) + 1; 688cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 689cee86682Scalum (void) strlcpy(dss_path->path, path, len); 690cee86682Scalum 691cee86682Scalum /* associate with servinst */ 692cee86682Scalum dss_path->sip = sip; 693cee86682Scalum dss_path->index = index; 694cee86682Scalum 695cee86682Scalum /* 696cee86682Scalum * Add to list of served paths. 697cee86682Scalum * No locking required, as we're only ever called at startup. 698cee86682Scalum */ 699cee86682Scalum if (rfs4_dss_pathlist == NULL) { 700cee86682Scalum /* this is the first dss_path_t */ 7017c478bd9Sstevel@tonic-gate 702cee86682Scalum /* needed for insque/remque */ 703cee86682Scalum dss_path->next = dss_path->prev = dss_path; 704cee86682Scalum 705cee86682Scalum rfs4_dss_pathlist = dss_path; 706cee86682Scalum } else { 707cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 708cee86682Scalum } 709cee86682Scalum 710cee86682Scalum return (dss_path); 7117c478bd9Sstevel@tonic-gate } 7127c478bd9Sstevel@tonic-gate 7137c478bd9Sstevel@tonic-gate /* 7147c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7157c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7167c478bd9Sstevel@tonic-gate * recovery window. 7177c478bd9Sstevel@tonic-gate */ 7187c478bd9Sstevel@tonic-gate void 719cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7207c478bd9Sstevel@tonic-gate { 721cee86682Scalum unsigned i; 7227c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 723cee86682Scalum rfs4_oldstate_t *oldstate; 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7267c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7277c478bd9Sstevel@tonic-gate 7287c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7297c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7307c478bd9Sstevel@tonic-gate sip->next = NULL; 7317c478bd9Sstevel@tonic-gate sip->prev = NULL; 7327c478bd9Sstevel@tonic-gate 733cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 734cee86682Scalum /* 735cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 736cee86682Scalum * It must be skipped over whenever the list is traversed. 737cee86682Scalum */ 738cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 739cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 740cee86682Scalum oldstate->next = oldstate; 741cee86682Scalum oldstate->prev = oldstate; 742cee86682Scalum sip->oldstate = oldstate; 743cee86682Scalum 744cee86682Scalum 745cee86682Scalum sip->dss_npaths = dss_npaths; 746cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 747cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 748cee86682Scalum 749cee86682Scalum for (i = 0; i < dss_npaths; i++) { 750cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 751cee86682Scalum } 752cee86682Scalum 7537c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 754cee86682Scalum if (rfs4_cur_servinst != NULL) { 7557c478bd9Sstevel@tonic-gate /* add to linked list */ 7567c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7577c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7587c478bd9Sstevel@tonic-gate } 7597c478bd9Sstevel@tonic-gate if (start_grace) 7607c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7617c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7627c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7637c478bd9Sstevel@tonic-gate 764cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7657c478bd9Sstevel@tonic-gate } 7667c478bd9Sstevel@tonic-gate 7677c478bd9Sstevel@tonic-gate /* 7687c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7697c478bd9Sstevel@tonic-gate * all instances directly. 7707c478bd9Sstevel@tonic-gate */ 7717c478bd9Sstevel@tonic-gate void 7727c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7737c478bd9Sstevel@tonic-gate { 7747c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7757c478bd9Sstevel@tonic-gate #ifdef DEBUG 7767c478bd9Sstevel@tonic-gate int n = 0; 7777c478bd9Sstevel@tonic-gate #endif 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7807c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7817c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7827c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7837c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7847c478bd9Sstevel@tonic-gate prev = sip->prev; 7857c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 786cee86682Scalum if (sip->oldstate) 787cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 788cee86682Scalum if (sip->dss_paths) 789cee86682Scalum kmem_free(sip->dss_paths, 790cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7917c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7927c478bd9Sstevel@tonic-gate #ifdef DEBUG 7937c478bd9Sstevel@tonic-gate n++; 7947c478bd9Sstevel@tonic-gate #endif 7957c478bd9Sstevel@tonic-gate } 7967c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 7977c478bd9Sstevel@tonic-gate } 7987c478bd9Sstevel@tonic-gate 7997c478bd9Sstevel@tonic-gate /* 8007c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 801*d216dff5SRobert Mastors * Should be called with cp->rc_dbe held. 8027c478bd9Sstevel@tonic-gate */ 8037c478bd9Sstevel@tonic-gate void 8047c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8057c478bd9Sstevel@tonic-gate { 806*d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8077c478bd9Sstevel@tonic-gate 8087c478bd9Sstevel@tonic-gate /* 8097c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8107c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8117c478bd9Sstevel@tonic-gate */ 8127c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 813*d216dff5SRobert Mastors cp->rc_server_instance = sip; 8147c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8157c478bd9Sstevel@tonic-gate } 8167c478bd9Sstevel@tonic-gate 8177c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8187c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8197c478bd9Sstevel@tonic-gate { 820*d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8217c478bd9Sstevel@tonic-gate 822*d216dff5SRobert Mastors return (cp->rc_server_instance); 8237c478bd9Sstevel@tonic-gate } 8247c478bd9Sstevel@tonic-gate 8257c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8267c478bd9Sstevel@tonic-gate static void 8277c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8287c478bd9Sstevel@tonic-gate { 8297c478bd9Sstevel@tonic-gate } 8307c478bd9Sstevel@tonic-gate 8317c478bd9Sstevel@tonic-gate /* 8327c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8337c478bd9Sstevel@tonic-gate */ 8347c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8357c478bd9Sstevel@tonic-gate static void 8367c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8377c478bd9Sstevel@tonic-gate struct compound_state *cs) 8387c478bd9Sstevel@tonic-gate { 8397c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8407c478bd9Sstevel@tonic-gate } 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate /* 8437c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8447c478bd9Sstevel@tonic-gate */ 8457c478bd9Sstevel@tonic-gate bool_t 8467c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8477c478bd9Sstevel@tonic-gate { 8487c478bd9Sstevel@tonic-gate int i; 8497c478bd9Sstevel@tonic-gate 8507c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8517c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8527c478bd9Sstevel@tonic-gate return (TRUE); 8537c478bd9Sstevel@tonic-gate } 8547c478bd9Sstevel@tonic-gate return (FALSE); 8557c478bd9Sstevel@tonic-gate } 8567c478bd9Sstevel@tonic-gate 8577c478bd9Sstevel@tonic-gate /* 8587c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8597c478bd9Sstevel@tonic-gate * export structure associated with the component. 8607c478bd9Sstevel@tonic-gate */ 8617c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8627c478bd9Sstevel@tonic-gate static nfsstat4 8637c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8647c478bd9Sstevel@tonic-gate { 8657c478bd9Sstevel@tonic-gate int error, different_export = 0; 8667c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8677c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8687c478bd9Sstevel@tonic-gate fid_t fid; 8697c478bd9Sstevel@tonic-gate uint_t count, i; 8707c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8717c478bd9Sstevel@tonic-gate struct secinfo *secp; 8721b300de9Sjwahlig seconfig_t *si; 8737c478bd9Sstevel@tonic-gate bool_t did_traverse; 8747c478bd9Sstevel@tonic-gate int dotdot, walk; 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate dvp = cs->vp; 8777c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate /* 8807c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8817c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8827c478bd9Sstevel@tonic-gate */ 8837c478bd9Sstevel@tonic-gate if (dotdot) { 8847c478bd9Sstevel@tonic-gate 8857c478bd9Sstevel@tonic-gate /* 8867c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8877c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8887c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8897c478bd9Sstevel@tonic-gate */ 8907c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8917c478bd9Sstevel@tonic-gate 8927c478bd9Sstevel@tonic-gate /* 8937c478bd9Sstevel@tonic-gate * If at the system root, then can 8947c478bd9Sstevel@tonic-gate * go up no further. 8957c478bd9Sstevel@tonic-gate */ 8967c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 8977c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate /* 9007c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9017c478bd9Sstevel@tonic-gate */ 9027c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate /* 9057c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9067c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9077c478bd9Sstevel@tonic-gate * this new filesystem. 9087c478bd9Sstevel@tonic-gate */ 9097c478bd9Sstevel@tonic-gate different_export = 1; 9107c478bd9Sstevel@tonic-gate } else { 9117c478bd9Sstevel@tonic-gate 9127c478bd9Sstevel@tonic-gate /* 9137c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9147c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9157c478bd9Sstevel@tonic-gate */ 9167c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9177c478bd9Sstevel@tonic-gate } 9187c478bd9Sstevel@tonic-gate } 9197c478bd9Sstevel@tonic-gate 9207c478bd9Sstevel@tonic-gate /* 9217c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9227c478bd9Sstevel@tonic-gate */ 923da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 924da6c28aaSamw NULL, NULL, NULL); 9257c478bd9Sstevel@tonic-gate if (error) 9267c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9277c478bd9Sstevel@tonic-gate 9287c478bd9Sstevel@tonic-gate /* 9297c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9307c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9317c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9327c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9337c478bd9Sstevel@tonic-gate */ 9347c478bd9Sstevel@tonic-gate if (!different_export && 9357c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9367c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9377c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9387c478bd9Sstevel@tonic-gate VN_RELE(vp); 9397c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9407c478bd9Sstevel@tonic-gate } 9417c478bd9Sstevel@tonic-gate } 9427c478bd9Sstevel@tonic-gate 9437c478bd9Sstevel@tonic-gate /* 9447c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9457c478bd9Sstevel@tonic-gate */ 9467c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 9477c478bd9Sstevel@tonic-gate tvp = vp; 9487c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 9497c478bd9Sstevel@tonic-gate VN_RELE(vp); 9507c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9517c478bd9Sstevel@tonic-gate } 9527c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9537c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9547c478bd9Sstevel@tonic-gate vp = tvp; 9557c478bd9Sstevel@tonic-gate different_export = 1; 9567c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9577c478bd9Sstevel@tonic-gate /* 9587c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9597c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9607c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9617c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9627c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9637c478bd9Sstevel@tonic-gate * traverse) 9647c478bd9Sstevel@tonic-gate */ 9657c478bd9Sstevel@tonic-gate different_export = 1; 9667c478bd9Sstevel@tonic-gate did_traverse = FALSE; 9677c478bd9Sstevel@tonic-gate } 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate /* 9707c478bd9Sstevel@tonic-gate * Get the export information for it. 9717c478bd9Sstevel@tonic-gate */ 9727c478bd9Sstevel@tonic-gate if (different_export) { 9737c478bd9Sstevel@tonic-gate 9747c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9757c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9767c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9777c478bd9Sstevel@tonic-gate if (error) { 9787c478bd9Sstevel@tonic-gate VN_RELE(vp); 9797c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9807c478bd9Sstevel@tonic-gate } 9817c478bd9Sstevel@tonic-gate 9827c478bd9Sstevel@tonic-gate if (dotdot) 9837c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9847c478bd9Sstevel@tonic-gate else 9857c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate if (exi == NULL) { 9887c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9897c478bd9Sstevel@tonic-gate /* 9907c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9917c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9927c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9937c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9947c478bd9Sstevel@tonic-gate * vnode lives in. 9957c478bd9Sstevel@tonic-gate */ 9967c478bd9Sstevel@tonic-gate exi = cs->exi; 9977c478bd9Sstevel@tonic-gate } else { 9987c478bd9Sstevel@tonic-gate VN_RELE(vp); 9997c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10007c478bd9Sstevel@tonic-gate } 10017c478bd9Sstevel@tonic-gate } 10027c478bd9Sstevel@tonic-gate } else { 10037c478bd9Sstevel@tonic-gate exi = cs->exi; 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate 10087c478bd9Sstevel@tonic-gate /* 10097c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10107c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10117c478bd9Sstevel@tonic-gate * 10127c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10137c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10147c478bd9Sstevel@tonic-gate * has access with. 10157c478bd9Sstevel@tonic-gate */ 10167c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10177c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10187c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10197c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10207c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10217c478bd9Sstevel@tonic-gate 10227c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10231b300de9Sjwahlig si = &secp[i].s_secinfo; 10241b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10251b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 10261b300de9Sjwahlig rpcsec_gss_info *info; 10271b300de9Sjwahlig 10281b300de9Sjwahlig info = &resok_val[i].flavor_info; 10291b300de9Sjwahlig info->qop = si->sc_qop; 10301b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10311b300de9Sjwahlig 10321b300de9Sjwahlig /* get oid opaque data */ 10331b300de9Sjwahlig info->oid.sec_oid4_len = 10341b300de9Sjwahlig si->sc_gss_mech_type->length; 10351b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10361b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10371b300de9Sjwahlig bcopy( 10381b300de9Sjwahlig si->sc_gss_mech_type->elements, 10391b300de9Sjwahlig info->oid.sec_oid4_val, 10401b300de9Sjwahlig info->oid.sec_oid4_len); 10411b300de9Sjwahlig } 10427c478bd9Sstevel@tonic-gate } 10437c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10447c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10457c478bd9Sstevel@tonic-gate } else { 10467c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10477c478bd9Sstevel@tonic-gate int *flavor_list; 10487c478bd9Sstevel@tonic-gate 10497c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10507c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10537c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10547c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10557c478bd9Sstevel@tonic-gate int access, flavor, perm; 10567c478bd9Sstevel@tonic-gate 10577c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10587c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10597c478bd9Sstevel@tonic-gate 10607c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10611b300de9Sjwahlig flavor, perm); 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10647c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10657c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10667c478bd9Sstevel@tonic-gate ret_cnt++; 10677c478bd9Sstevel@tonic-gate } 10687c478bd9Sstevel@tonic-gate } 10697c478bd9Sstevel@tonic-gate 10707c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10717c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 1074f3b585ceSsamf /* 1075f3b585ceSsamf * If the flavor is in the flavor list, 1076f3b585ceSsamf * fill in resok_val. 1077f3b585ceSsamf */ 10781b300de9Sjwahlig si = &secp[i].s_secinfo; 10791b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10801b300de9Sjwahlig flavor_list, ret_cnt)) { 10811b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10821b300de9Sjwahlig if (resok_val[k].flavor == RPCSEC_GSS) { 10831b300de9Sjwahlig rpcsec_gss_info *info; 10841b300de9Sjwahlig 10851b300de9Sjwahlig info = &resok_val[k].flavor_info; 10861b300de9Sjwahlig info->qop = si->sc_qop; 10871b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10881b300de9Sjwahlig si->sc_service; 10891b300de9Sjwahlig 10901b300de9Sjwahlig /* get oid opaque data */ 10911b300de9Sjwahlig info->oid.sec_oid4_len = 10921b300de9Sjwahlig si->sc_gss_mech_type->length; 10931b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10941b300de9Sjwahlig si->sc_gss_mech_type->length, 10951b300de9Sjwahlig KM_SLEEP); 10961b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 10971b300de9Sjwahlig info->oid.sec_oid4_val, 10981b300de9Sjwahlig info->oid.sec_oid4_len); 10991b300de9Sjwahlig } 11001b300de9Sjwahlig k++; 11017c478bd9Sstevel@tonic-gate } 1102f3b585ceSsamf if (k >= ret_cnt) 1103f3b585ceSsamf break; 11047c478bd9Sstevel@tonic-gate } 11057c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11067c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11077c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11087c478bd9Sstevel@tonic-gate } 11097c478bd9Sstevel@tonic-gate 11107c478bd9Sstevel@tonic-gate VN_RELE(vp); 11117c478bd9Sstevel@tonic-gate return (NFS4_OK); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate /* 11157c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11167c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11177c478bd9Sstevel@tonic-gate * triplets. 11187c478bd9Sstevel@tonic-gate */ 11197c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11207c478bd9Sstevel@tonic-gate static void 11217c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1122*d216dff5SRobert Mastors struct compound_state *cs) 11237c478bd9Sstevel@tonic-gate { 1124f3b585ceSsamf SECINFO4args *args = &argop->nfs_argop4_u.opsecinfo; 11257c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 1126f3b585ceSsamf utf8string *utfnm = &args->name; 11277c478bd9Sstevel@tonic-gate uint_t len; 11287c478bd9Sstevel@tonic-gate char *nm; 1129b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1130b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 11317c478bd9Sstevel@tonic-gate 1132f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__start, struct compound_state *, cs, 1133f3b585ceSsamf SECINFO4args *, args); 1134f3b585ceSsamf 11357c478bd9Sstevel@tonic-gate /* 11367c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11377c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11387c478bd9Sstevel@tonic-gate */ 11397c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1141f3b585ceSsamf goto out; 11427c478bd9Sstevel@tonic-gate } 11437c478bd9Sstevel@tonic-gate 11447c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1146f3b585ceSsamf goto out; 11477c478bd9Sstevel@tonic-gate } 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate /* 11507c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11517c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11527c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11537c478bd9Sstevel@tonic-gate */ 11547c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(utfnm)) { 11557c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11561b300de9Sjwahlig utfnm->utf8string_val[0] != '.' || 11571b300de9Sjwahlig utfnm->utf8string_val[1] != '.') { 11587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1159f3b585ceSsamf goto out; 11607c478bd9Sstevel@tonic-gate } 11617c478bd9Sstevel@tonic-gate } 11627c478bd9Sstevel@tonic-gate 11637c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11647c478bd9Sstevel@tonic-gate if (nm == NULL) { 11657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1166f3b585ceSsamf goto out; 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11717c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1172f3b585ceSsamf goto out; 11737c478bd9Sstevel@tonic-gate } 1174b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 11757c478bd9Sstevel@tonic-gate 1176b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1177b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1178b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 11797c478bd9Sstevel@tonic-gate 1180b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1181b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1182b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1183b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1184b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1185b89a8333Snatalie li - Sun Microsystems - Irvine United States 1186b89a8333Snatalie li - Sun Microsystems - Irvine United States 1187b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, name, resp); 1188b89a8333Snatalie li - Sun Microsystems - Irvine United States 1189b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1190b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 11917c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1192f3b585ceSsamf 1193f3b585ceSsamf out: 1194f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__done, struct compound_state *, cs, 1195f3b585ceSsamf SECINFO4res *, resp); 11967c478bd9Sstevel@tonic-gate } 11977c478bd9Sstevel@tonic-gate 11987c478bd9Sstevel@tonic-gate /* 11997c478bd9Sstevel@tonic-gate * Free SECINFO result. 12007c478bd9Sstevel@tonic-gate */ 12017c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12027c478bd9Sstevel@tonic-gate static void 12037c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 12047c478bd9Sstevel@tonic-gate { 12057c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 12067c478bd9Sstevel@tonic-gate int count, i; 12077c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 12087c478bd9Sstevel@tonic-gate 12097c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 12107c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 12117c478bd9Sstevel@tonic-gate return; 12127c478bd9Sstevel@tonic-gate } 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 12157c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 12167c478bd9Sstevel@tonic-gate 12177c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 12181b300de9Sjwahlig if (resok_val[i].flavor == RPCSEC_GSS) { 12191b300de9Sjwahlig rpcsec_gss_info *info; 12207c478bd9Sstevel@tonic-gate 12211b300de9Sjwahlig info = &resok_val[i].flavor_info; 12221b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 12231b300de9Sjwahlig info->oid.sec_oid4_len); 12241b300de9Sjwahlig } 12257c478bd9Sstevel@tonic-gate } 12267c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12277c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12287c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12297c478bd9Sstevel@tonic-gate } 12307c478bd9Sstevel@tonic-gate 12317c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12327c478bd9Sstevel@tonic-gate static void 12337c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1234*d216dff5SRobert Mastors struct compound_state *cs) 12357c478bd9Sstevel@tonic-gate { 12367c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12377c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12387c478bd9Sstevel@tonic-gate int error; 12397c478bd9Sstevel@tonic-gate vnode_t *vp; 12407c478bd9Sstevel@tonic-gate struct vattr va; 12417c478bd9Sstevel@tonic-gate int checkwriteperm; 12427c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124345916cd2Sjpk bslabel_t *clabel, *slabel; 124445916cd2Sjpk ts_label_t *tslabel; 124545916cd2Sjpk boolean_t admin_low_client; 12467c478bd9Sstevel@tonic-gate 1247f3b585ceSsamf DTRACE_NFSV4_2(op__access__start, struct compound_state *, cs, 1248f3b585ceSsamf ACCESS4args *, args); 1249f3b585ceSsamf 12507c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12517c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1253f3b585ceSsamf goto out; 12547c478bd9Sstevel@tonic-gate } 12557c478bd9Sstevel@tonic-gate #endif 12567c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1258f3b585ceSsamf goto out; 12597c478bd9Sstevel@tonic-gate } 12607c478bd9Sstevel@tonic-gate 12617c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12627c478bd9Sstevel@tonic-gate 12637c478bd9Sstevel@tonic-gate vp = cs->vp; 12647c478bd9Sstevel@tonic-gate 12657c478bd9Sstevel@tonic-gate /* 12667c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12677c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12687c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12697c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12707c478bd9Sstevel@tonic-gate */ 12717c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12721b300de9Sjwahlig (vp->v_type == VREG || vp->v_type == VDIR)) 12737c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12747c478bd9Sstevel@tonic-gate else 12757c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12767c478bd9Sstevel@tonic-gate 12777c478bd9Sstevel@tonic-gate /* 12787c478bd9Sstevel@tonic-gate * XXX 12797c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12807c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12817c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12827c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12837c478bd9Sstevel@tonic-gate */ 12847c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1285da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12867c478bd9Sstevel@tonic-gate if (error) { 12877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1288f3b585ceSsamf goto out; 12897c478bd9Sstevel@tonic-gate } 12907c478bd9Sstevel@tonic-gate resp->access = 0; 12917c478bd9Sstevel@tonic-gate resp->supported = 0; 12927c478bd9Sstevel@tonic-gate 129345916cd2Sjpk if (is_system_labeled()) { 129445916cd2Sjpk ASSERT(req->rq_label != NULL); 129545916cd2Sjpk clabel = req->rq_label; 129645916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 129745916cd2Sjpk "got client label from request(1)", 129845916cd2Sjpk struct svc_req *, req); 129945916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 1300bd6f1640SJarrett Lu if ((tslabel = nfs_getflabel(vp, cs->exi)) == NULL) { 130145916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 1302f3b585ceSsamf goto out; 130345916cd2Sjpk } 130445916cd2Sjpk slabel = label2bslabel(tslabel); 130545916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 130645916cd2Sjpk char *, "got server label(1) for vp(2)", 130745916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 130845916cd2Sjpk 130945916cd2Sjpk admin_low_client = B_FALSE; 131045916cd2Sjpk } else 131145916cd2Sjpk admin_low_client = B_TRUE; 131245916cd2Sjpk } 131345916cd2Sjpk 13147c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1315da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 131645916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 131745916cd2Sjpk (!is_system_labeled() || admin_low_client || 131845916cd2Sjpk bldominates(clabel, slabel))) 13197c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13207c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13217c478bd9Sstevel@tonic-gate } 13227c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1323da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132445916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 132545916cd2Sjpk bldominates(clabel, slabel))) 13267c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13277c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13287c478bd9Sstevel@tonic-gate } 13297c478bd9Sstevel@tonic-gate if (checkwriteperm && 13307c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1331da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 133245916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133345916cd2Sjpk (!is_system_labeled() || admin_low_client || 133445916cd2Sjpk blequal(clabel, slabel))) 13357c478bd9Sstevel@tonic-gate resp->access |= 13360a701b1eSRobert Gordon (args->access & (ACCESS4_MODIFY | ACCESS4_EXTEND)); 13370a701b1eSRobert Gordon resp->supported |= (ACCESS4_MODIFY | ACCESS4_EXTEND); 13387c478bd9Sstevel@tonic-gate } 13397c478bd9Sstevel@tonic-gate 13407c478bd9Sstevel@tonic-gate if (checkwriteperm && 13417c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1342da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 134345916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 134445916cd2Sjpk blequal(clabel, slabel))) 13457c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13467c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13477c478bd9Sstevel@tonic-gate } 13487c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1349da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 135045916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 135145916cd2Sjpk (!is_system_labeled() || admin_low_client || 135245916cd2Sjpk bldominates(clabel, slabel))) 13537c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13547c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13557c478bd9Sstevel@tonic-gate } 13567c478bd9Sstevel@tonic-gate 135745916cd2Sjpk if (is_system_labeled() && !admin_low_client) 135845916cd2Sjpk label_rele(tslabel); 135945916cd2Sjpk 13607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1361f3b585ceSsamf out: 1362f3b585ceSsamf DTRACE_NFSV4_2(op__access__done, struct compound_state *, cs, 1363f3b585ceSsamf ACCESS4res *, resp); 13647c478bd9Sstevel@tonic-gate } 13657c478bd9Sstevel@tonic-gate 13667c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13677c478bd9Sstevel@tonic-gate static void 13687c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1369*d216dff5SRobert Mastors struct compound_state *cs) 13707c478bd9Sstevel@tonic-gate { 13717c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13727c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13737c478bd9Sstevel@tonic-gate int error; 13747c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13757c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13767c478bd9Sstevel@tonic-gate vattr_t va; 13777c478bd9Sstevel@tonic-gate 1378f3b585ceSsamf DTRACE_NFSV4_2(op__commit__start, struct compound_state *, cs, 1379f3b585ceSsamf COMMIT4args *, args); 1380f3b585ceSsamf 13817c478bd9Sstevel@tonic-gate if (vp == NULL) { 13827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1383f3b585ceSsamf goto out; 13847c478bd9Sstevel@tonic-gate } 13857c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1387f3b585ceSsamf goto out; 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1392f3b585ceSsamf goto out; 13937c478bd9Sstevel@tonic-gate } 13947c478bd9Sstevel@tonic-gate 13957c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1396da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 13977c478bd9Sstevel@tonic-gate 13987c478bd9Sstevel@tonic-gate /* 13997c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 14007c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 14017c478bd9Sstevel@tonic-gate */ 14027c478bd9Sstevel@tonic-gate if (error) { 14037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1404f3b585ceSsamf goto out; 14057c478bd9Sstevel@tonic-gate } 14067c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 14077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1408f3b585ceSsamf goto out; 14097c478bd9Sstevel@tonic-gate } 14107c478bd9Sstevel@tonic-gate 14117c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14127c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14137c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14147c478bd9Sstevel@tonic-gate else 14157c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 1417f3b585ceSsamf goto out; 14187c478bd9Sstevel@tonic-gate } 14197c478bd9Sstevel@tonic-gate 14207c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1421da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 14227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1423f3b585ceSsamf goto out; 14247c478bd9Sstevel@tonic-gate } 14257c478bd9Sstevel@tonic-gate 1426da6c28aaSamw error = VOP_PUTPAGE(vp, args->offset, args->count, 0, cr, NULL); 14277c478bd9Sstevel@tonic-gate if (!error) 1428da6c28aaSamw error = VOP_FSYNC(vp, FNODSYNC, cr, NULL); 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate if (error) { 14317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1432f3b585ceSsamf goto out; 14337c478bd9Sstevel@tonic-gate } 14347c478bd9Sstevel@tonic-gate 14357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14367c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 1437f3b585ceSsamf out: 1438f3b585ceSsamf DTRACE_NFSV4_2(op__commit__done, struct compound_state *, cs, 1439f3b585ceSsamf COMMIT4res *, resp); 14407c478bd9Sstevel@tonic-gate } 14417c478bd9Sstevel@tonic-gate 14427c478bd9Sstevel@tonic-gate /* 14437c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14447c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14457c478bd9Sstevel@tonic-gate */ 14467c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14477c478bd9Sstevel@tonic-gate static vnode_t * 14487c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 1449*d216dff5SRobert Mastors struct compound_state *cs, vattr_t *vap, char *nm) 14507c478bd9Sstevel@tonic-gate { 14517c478bd9Sstevel@tonic-gate int error; 14527c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14537c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14547c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14557c478bd9Sstevel@tonic-gate int mode; 14567c478bd9Sstevel@tonic-gate enum vcexcl excl; 14577c478bd9Sstevel@tonic-gate 14587c478bd9Sstevel@tonic-gate switch (args->type) { 14597c478bd9Sstevel@tonic-gate case NF4CHR: 14607c478bd9Sstevel@tonic-gate case NF4BLK: 14617c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14637c478bd9Sstevel@tonic-gate return (NULL); 14647c478bd9Sstevel@tonic-gate } 14657c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14667c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14677c478bd9Sstevel@tonic-gate else 14687c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14697c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14701b300de9Sjwahlig args->ftype4_u.devdata.specdata2); 14717c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14727c478bd9Sstevel@tonic-gate break; 14737c478bd9Sstevel@tonic-gate case NF4SOCK: 14747c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14757c478bd9Sstevel@tonic-gate break; 14767c478bd9Sstevel@tonic-gate case NF4FIFO: 14777c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14787c478bd9Sstevel@tonic-gate break; 14797c478bd9Sstevel@tonic-gate default: 14807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14817c478bd9Sstevel@tonic-gate return (NULL); 14827c478bd9Sstevel@tonic-gate } 14837c478bd9Sstevel@tonic-gate 14847c478bd9Sstevel@tonic-gate /* 14857c478bd9Sstevel@tonic-gate * Must specify the mode. 14867c478bd9Sstevel@tonic-gate */ 14877c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14897c478bd9Sstevel@tonic-gate return (NULL); 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate excl = EXCL; 14937c478bd9Sstevel@tonic-gate 14947c478bd9Sstevel@tonic-gate mode = 0; 14957c478bd9Sstevel@tonic-gate 1496da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 14977c478bd9Sstevel@tonic-gate if (error) { 14987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 14997c478bd9Sstevel@tonic-gate return (NULL); 15007c478bd9Sstevel@tonic-gate } 15017c478bd9Sstevel@tonic-gate return (vp); 15027c478bd9Sstevel@tonic-gate } 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate /* 15057c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 15067c478bd9Sstevel@tonic-gate * use nfsv4 open. 15077c478bd9Sstevel@tonic-gate */ 15087c478bd9Sstevel@tonic-gate /* ARGSUSED */ 15097c478bd9Sstevel@tonic-gate static void 15107c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1511*d216dff5SRobert Mastors struct compound_state *cs) 15127c478bd9Sstevel@tonic-gate { 15137c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15147c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15157c478bd9Sstevel@tonic-gate int error; 15167c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15177c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15187c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15197c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 1520fd7da618Sgt vnode_t *realvp; 15217c478bd9Sstevel@tonic-gate char *nm, *lnm; 15227c478bd9Sstevel@tonic-gate uint_t len, llen; 15237c478bd9Sstevel@tonic-gate int syncval = 0; 15247c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15257c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15267c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15277c478bd9Sstevel@tonic-gate nfsstat4 status; 1528b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1529b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 1530b89a8333Snatalie li - Sun Microsystems - Irvine United States char *lname = NULL; 15317c478bd9Sstevel@tonic-gate 1532f3b585ceSsamf DTRACE_NFSV4_2(op__create__start, struct compound_state *, cs, 1533f3b585ceSsamf CREATE4args *, args); 1534f3b585ceSsamf 15357c478bd9Sstevel@tonic-gate resp->attrset = 0; 15367c478bd9Sstevel@tonic-gate 15377c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1539f3b585ceSsamf goto out; 15407c478bd9Sstevel@tonic-gate } 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate /* 15437c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15447c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15457c478bd9Sstevel@tonic-gate */ 15467c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1548f3b585ceSsamf goto out; 15497c478bd9Sstevel@tonic-gate } 15507c478bd9Sstevel@tonic-gate 15517c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15527c478bd9Sstevel@tonic-gate switch (args->type) { 15537c478bd9Sstevel@tonic-gate case NF4LNK: 15547c478bd9Sstevel@tonic-gate case NF4BLK: 15557c478bd9Sstevel@tonic-gate case NF4CHR: 15567c478bd9Sstevel@tonic-gate case NF4SOCK: 15577c478bd9Sstevel@tonic-gate case NF4FIFO: 15587c478bd9Sstevel@tonic-gate case NF4DIR: 15597c478bd9Sstevel@tonic-gate break; 15607c478bd9Sstevel@tonic-gate default: 15617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 1562f3b585ceSsamf goto out; 15637c478bd9Sstevel@tonic-gate }; 15647c478bd9Sstevel@tonic-gate 15657c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1567f3b585ceSsamf goto out; 15687c478bd9Sstevel@tonic-gate } 15697c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1571f3b585ceSsamf goto out; 15727c478bd9Sstevel@tonic-gate } 15737c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1575f3b585ceSsamf goto out; 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate 15787c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1580f3b585ceSsamf goto out; 15817c478bd9Sstevel@tonic-gate } 15827c478bd9Sstevel@tonic-gate 15837c478bd9Sstevel@tonic-gate /* 15847c478bd9Sstevel@tonic-gate * Name of newly created object 15857c478bd9Sstevel@tonic-gate */ 15867c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15877c478bd9Sstevel@tonic-gate if (nm == NULL) { 15887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1589f3b585ceSsamf goto out; 15907c478bd9Sstevel@tonic-gate } 15917c478bd9Sstevel@tonic-gate 15927c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15947c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1595f3b585ceSsamf goto out; 15967c478bd9Sstevel@tonic-gate } 15977c478bd9Sstevel@tonic-gate 1598b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for poorly behaved clients */ 1599b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1600b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1601b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 1602b89a8333Snatalie li - Sun Microsystems - Irvine United States 1603b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1604b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1605b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1606b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1607b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1608b89a8333Snatalie li - Sun Microsystems - Irvine United States 16097c478bd9Sstevel@tonic-gate resp->attrset = 0; 16107c478bd9Sstevel@tonic-gate 16117c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 16127c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 16137c478bd9Sstevel@tonic-gate 16147c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 16151b300de9Sjwahlig &args->createattrs, cs, &sarg, &ntov, NFS4ATTR_SETIT); 16167c478bd9Sstevel@tonic-gate 16177c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 16187c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 16217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 16227c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16237c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16247c478bd9Sstevel@tonic-gate resp->attrset = 0; 1625f3b585ceSsamf goto out; 16267c478bd9Sstevel@tonic-gate } 16277c478bd9Sstevel@tonic-gate 16287c478bd9Sstevel@tonic-gate /* Get "before" change value */ 16297c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 1630da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cr, NULL); 16317c478bd9Sstevel@tonic-gate if (error) { 16327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 16337c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16347c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16357c478bd9Sstevel@tonic-gate resp->attrset = 0; 1636f3b585ceSsamf goto out; 16377c478bd9Sstevel@tonic-gate } 16387c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 16397c478bd9Sstevel@tonic-gate 16407c478bd9Sstevel@tonic-gate vap = sarg.vap; 16417c478bd9Sstevel@tonic-gate 16427c478bd9Sstevel@tonic-gate /* 16437c478bd9Sstevel@tonic-gate * Set default initial values for attributes when not specified 16447c478bd9Sstevel@tonic-gate * in createattrs. 16457c478bd9Sstevel@tonic-gate */ 16467c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_UID) == 0) { 16477c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 16487c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 16497c478bd9Sstevel@tonic-gate } 16507c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_GID) == 0) { 16517c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 16527c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 16537c478bd9Sstevel@tonic-gate } 16547c478bd9Sstevel@tonic-gate 16557c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16567c478bd9Sstevel@tonic-gate switch (args->type) { 16577c478bd9Sstevel@tonic-gate case NF4DIR: 16587c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16597c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16607c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16617c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16627c478bd9Sstevel@tonic-gate } 1663da6c28aaSamw error = VOP_MKDIR(dvp, nm, vap, &vp, cr, NULL, 0, NULL); 16647c478bd9Sstevel@tonic-gate if (error) 16657c478bd9Sstevel@tonic-gate break; 16667c478bd9Sstevel@tonic-gate 16677c478bd9Sstevel@tonic-gate /* 16687c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16697c478bd9Sstevel@tonic-gate * set to zero 16707c478bd9Sstevel@tonic-gate */ 16717c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1672da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16737c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16747c478bd9Sstevel@tonic-gate break; 16757c478bd9Sstevel@tonic-gate case NF4LNK: 16767c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16777c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16787c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16797c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16807c478bd9Sstevel@tonic-gate } 16817c478bd9Sstevel@tonic-gate 16827c478bd9Sstevel@tonic-gate /* 16837c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16847c478bd9Sstevel@tonic-gate */ 16857c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16867c478bd9Sstevel@tonic-gate 16877c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1689b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1690b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 16917c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16927c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16937c478bd9Sstevel@tonic-gate resp->attrset = 0; 1694f3b585ceSsamf goto out; 16957c478bd9Sstevel@tonic-gate } 16967c478bd9Sstevel@tonic-gate 16977c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 16987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 1699b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1700b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 1701b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1702b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lnm, llen); 1703b89a8333Snatalie li - Sun Microsystems - Irvine United States nfs4_ntov_table_free(&ntov, &sarg); 1704b89a8333Snatalie li - Sun Microsystems - Irvine United States resp->attrset = 0; 1705b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1706b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1707b89a8333Snatalie li - Sun Microsystems - Irvine United States 1708b89a8333Snatalie li - Sun Microsystems - Irvine United States lname = nfscmd_convname(ca, cs->exi, lnm, 1709b89a8333Snatalie li - Sun Microsystems - Irvine United States NFSCMD_CONV_INBOUND, MAXPATHLEN + 1); 1710b89a8333Snatalie li - Sun Microsystems - Irvine United States 1711b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname == NULL) { 1712b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 1713b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1714b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17157c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17167c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17177c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17187c478bd9Sstevel@tonic-gate resp->attrset = 0; 1719f3b585ceSsamf goto out; 17207c478bd9Sstevel@tonic-gate } 17217c478bd9Sstevel@tonic-gate 1722da6c28aaSamw error = VOP_SYMLINK(dvp, nm, vap, lnm, cr, NULL, 0); 1723b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname != lnm) 1724b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lname, MAXPATHLEN + 1); 17257c478bd9Sstevel@tonic-gate if (lnm != NULL) 17267c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17277c478bd9Sstevel@tonic-gate if (error) 17287c478bd9Sstevel@tonic-gate break; 17297c478bd9Sstevel@tonic-gate 17307c478bd9Sstevel@tonic-gate /* 17317c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17327c478bd9Sstevel@tonic-gate * set to zero 17337c478bd9Sstevel@tonic-gate */ 17347c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1735da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17367c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17377c478bd9Sstevel@tonic-gate 1738da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, 1739da6c28aaSamw NULL, NULL, NULL); 17407c478bd9Sstevel@tonic-gate if (error) 17417c478bd9Sstevel@tonic-gate break; 17427c478bd9Sstevel@tonic-gate 17437c478bd9Sstevel@tonic-gate /* 17447c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 17457c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 17467c478bd9Sstevel@tonic-gate */ 17477c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 1748da6c28aaSamw if (VOP_GETATTR(dvp, &iva2, 0, cs->cr, NULL) || 17491b300de9Sjwahlig iva2.va_seq != iva.va_seq) 17507c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17517c478bd9Sstevel@tonic-gate break; 17527c478bd9Sstevel@tonic-gate default: 17537c478bd9Sstevel@tonic-gate /* 17547c478bd9Sstevel@tonic-gate * probably a special file. 17557c478bd9Sstevel@tonic-gate */ 17567c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 17577c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 17587c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 17597c478bd9Sstevel@tonic-gate } 17607c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 17617c478bd9Sstevel@tonic-gate /* 17627c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 17637c478bd9Sstevel@tonic-gate */ 17647c478bd9Sstevel@tonic-gate vp = do_rfs4_op_mknod(args, resp, req, cs, vap, nm); 17657c478bd9Sstevel@tonic-gate 17667c478bd9Sstevel@tonic-gate if (vp == NULL) { 1767b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1768b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17697c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17707c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17717c478bd9Sstevel@tonic-gate resp->attrset = 0; 1772f3b585ceSsamf goto out; 17737c478bd9Sstevel@tonic-gate } 17747c478bd9Sstevel@tonic-gate 17757c478bd9Sstevel@tonic-gate /* 17767c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17777c478bd9Sstevel@tonic-gate * set to zero 17787c478bd9Sstevel@tonic-gate */ 17797c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1780da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17817c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17827c478bd9Sstevel@tonic-gate 17837c478bd9Sstevel@tonic-gate break; 17847c478bd9Sstevel@tonic-gate } 1785b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1786b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17877c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17887c478bd9Sstevel@tonic-gate 17897c478bd9Sstevel@tonic-gate if (error) { 17907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17917c478bd9Sstevel@tonic-gate } 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate /* 17947c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 17957c478bd9Sstevel@tonic-gate */ 1796da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cr, NULL); 17977c478bd9Sstevel@tonic-gate 17987c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 17997c478bd9Sstevel@tonic-gate if (vp != NULL) 18007c478bd9Sstevel@tonic-gate VN_RELE(vp); 18017c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18027c478bd9Sstevel@tonic-gate resp->attrset = 0; 1803f3b585ceSsamf goto out; 18047c478bd9Sstevel@tonic-gate } 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate /* 18077c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 18087c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 18097c478bd9Sstevel@tonic-gate * before value. 18107c478bd9Sstevel@tonic-gate */ 18117c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 1812da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cr, NULL)) { 18137c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 18147c478bd9Sstevel@tonic-gate ava.va_seq = 0; 18157c478bd9Sstevel@tonic-gate } 18167c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate /* 18197c478bd9Sstevel@tonic-gate * True verification that object was created with correct 18207c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 18217c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 18227c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 18237c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 18247c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 18257c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 18267c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 18277c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 18287c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 18297c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 18307c478bd9Sstevel@tonic-gate * 18317c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 18327c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 18337c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 18347c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 18357c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 18367c478bd9Sstevel@tonic-gate */ 18377c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 18387c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 18397c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18407c478bd9Sstevel@tonic-gate 18417c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 18427c478bd9Sstevel@tonic-gate if (error) { 18437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 18447c478bd9Sstevel@tonic-gate } 18457c478bd9Sstevel@tonic-gate 18467c478bd9Sstevel@tonic-gate /* 18477c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 18487c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 18497c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 18507c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 18517c478bd9Sstevel@tonic-gate */ 18527c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 18531b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 18547c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 18557c478bd9Sstevel@tonic-gate else 18567c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 18577c478bd9Sstevel@tonic-gate 1858fd7da618Sgt /* 1859fd7da618Sgt * Force modified metadata out to stable storage. 1860fd7da618Sgt * 1861fd7da618Sgt * if a underlying vp exists, pass it to VOP_FSYNC 1862fd7da618Sgt */ 1863fd7da618Sgt if (VOP_REALVP(vp, &realvp, NULL) == 0) 1864fd7da618Sgt (void) VOP_FSYNC(realvp, syncval, cr, NULL); 1865fd7da618Sgt else 1866fd7da618Sgt (void) VOP_FSYNC(vp, syncval, cr, NULL); 18677c478bd9Sstevel@tonic-gate 18687c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18697c478bd9Sstevel@tonic-gate VN_RELE(vp); 1870f3b585ceSsamf goto out; 18717c478bd9Sstevel@tonic-gate } 18727c478bd9Sstevel@tonic-gate if (cs->vp) 18737c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 18747c478bd9Sstevel@tonic-gate 18757c478bd9Sstevel@tonic-gate cs->vp = vp; 18767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1877f3b585ceSsamf out: 1878f3b585ceSsamf DTRACE_NFSV4_2(op__create__done, struct compound_state *, cs, 1879f3b585ceSsamf CREATE4res *, resp); 18807c478bd9Sstevel@tonic-gate } 18817c478bd9Sstevel@tonic-gate 1882f3b585ceSsamf /*ARGSUSED*/ 1883f3b585ceSsamf static void 1884f3b585ceSsamf rfs4_op_delegpurge(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1885f3b585ceSsamf struct compound_state *cs) 1886f3b585ceSsamf { 1887f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__start, struct compound_state *, cs, 1888f3b585ceSsamf DELEGPURGE4args *, &argop->nfs_argop4_u.opdelegpurge); 1889f3b585ceSsamf 1890f3b585ceSsamf rfs4_op_inval(argop, resop, req, cs); 1891f3b585ceSsamf 1892f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__done, struct compound_state *, cs, 1893f3b585ceSsamf DELEGPURGE4res *, &resop->nfs_resop4_u.opdelegpurge); 1894f3b585ceSsamf } 18957c478bd9Sstevel@tonic-gate 18967c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 18977c478bd9Sstevel@tonic-gate static void 18987c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1899*d216dff5SRobert Mastors struct compound_state *cs) 19007c478bd9Sstevel@tonic-gate { 19017c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 19027c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 19037c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 19047c478bd9Sstevel@tonic-gate nfsstat4 status; 19057c478bd9Sstevel@tonic-gate 1906f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__start, struct compound_state *, cs, 1907f3b585ceSsamf DELEGRETURN4args *, args); 1908f3b585ceSsamf 19097c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 19107c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 19117c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 1912f3b585ceSsamf goto out; 19137c478bd9Sstevel@tonic-gate 19147c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 1915*d216dff5SRobert Mastors if (cs->vp != dsp->rds_finfo->rf_vp) { 19167c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 19177c478bd9Sstevel@tonic-gate } else 19187c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 19197c478bd9Sstevel@tonic-gate 1920*d216dff5SRobert Mastors rfs4_update_lease(dsp->rds_client); 19217c478bd9Sstevel@tonic-gate 19227c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 1923f3b585ceSsamf out: 1924f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__done, struct compound_state *, cs, 1925f3b585ceSsamf DELEGRETURN4res *, resp); 19267c478bd9Sstevel@tonic-gate } 19277c478bd9Sstevel@tonic-gate 19287c478bd9Sstevel@tonic-gate /* 19297c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 19307c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 19317c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 19327c478bd9Sstevel@tonic-gate * 19337c478bd9Sstevel@tonic-gate * e.g. 19347c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 19357c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 19367c478bd9Sstevel@tonic-gate * 19377c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 19387c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 19397c478bd9Sstevel@tonic-gate * server namespace setup. 19407c478bd9Sstevel@tonic-gate */ 19417c478bd9Sstevel@tonic-gate int 19427c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 19437c478bd9Sstevel@tonic-gate { 19447c478bd9Sstevel@tonic-gate int i; 19457c478bd9Sstevel@tonic-gate struct secinfo *sp; 19467c478bd9Sstevel@tonic-gate 19477c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 19487c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 19497c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 19507c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 19517c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 19527c478bd9Sstevel@tonic-gate } 19537c478bd9Sstevel@tonic-gate } 19547c478bd9Sstevel@tonic-gate 19557c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 19567c478bd9Sstevel@tonic-gate return (0); 19577c478bd9Sstevel@tonic-gate } 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate /* 19607c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 19617c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 19627c478bd9Sstevel@tonic-gate * 19637c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 19647c478bd9Sstevel@tonic-gate * 19657c478bd9Sstevel@tonic-gate */ 19667c478bd9Sstevel@tonic-gate static int 19677c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 19687c478bd9Sstevel@tonic-gate { 19697c478bd9Sstevel@tonic-gate int i; 19707c478bd9Sstevel@tonic-gate struct secinfo *sp; 19717c478bd9Sstevel@tonic-gate 19727c478bd9Sstevel@tonic-gate /* 19737c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 19747c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 19757c478bd9Sstevel@tonic-gate */ 19767c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 19777c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 19787c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 19797c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 19807c478bd9Sstevel@tonic-gate return (1); 19817c478bd9Sstevel@tonic-gate } 19827c478bd9Sstevel@tonic-gate 19837c478bd9Sstevel@tonic-gate return (0); 19847c478bd9Sstevel@tonic-gate } 19857c478bd9Sstevel@tonic-gate 19867c478bd9Sstevel@tonic-gate /* 19877c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 19887c478bd9Sstevel@tonic-gate */ 19897c478bd9Sstevel@tonic-gate nfsstat4 19907c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 19917c478bd9Sstevel@tonic-gate { 19927c478bd9Sstevel@tonic-gate int authres; 19937c478bd9Sstevel@tonic-gate 19947c478bd9Sstevel@tonic-gate /* 19957c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 19967c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 19977c478bd9Sstevel@tonic-gate */ 19987c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 19997c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20007c478bd9Sstevel@tonic-gate return (*cs->statusp); 20017c478bd9Sstevel@tonic-gate } 20027c478bd9Sstevel@tonic-gate 20037c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 20047c478bd9Sstevel@tonic-gate 20057c478bd9Sstevel@tonic-gate if (authres > 0) { 20067c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 20077c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 20087c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 20097c478bd9Sstevel@tonic-gate } else if (authres == 0) { 20107c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 20117c478bd9Sstevel@tonic-gate } else if (authres == -2) { 20127c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20137c478bd9Sstevel@tonic-gate } else { 20147c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 20157c478bd9Sstevel@tonic-gate } 20167c478bd9Sstevel@tonic-gate return (*cs->statusp); 20177c478bd9Sstevel@tonic-gate } 20187c478bd9Sstevel@tonic-gate 20197c478bd9Sstevel@tonic-gate /* 20207c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 20217c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 20227c478bd9Sstevel@tonic-gate * based on the input bitmap. 20237c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20247c478bd9Sstevel@tonic-gate */ 20257c478bd9Sstevel@tonic-gate static nfsstat4 20267c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 20277c478bd9Sstevel@tonic-gate { 20287c478bd9Sstevel@tonic-gate int i; 20297c478bd9Sstevel@tonic-gate uint_t va_mask; 20307c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 20317c478bd9Sstevel@tonic-gate 20327c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 20337c478bd9Sstevel@tonic-gate sargp->flag = 0; 20347c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 20357c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 20367c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 20377c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 20381b300de9Sjwahlig FH4_ATTRDIR | FH4_NAMEDATTR); 20397c478bd9Sstevel@tonic-gate else 20407c478bd9Sstevel@tonic-gate sargp->xattr = 0; 20417c478bd9Sstevel@tonic-gate 20427c478bd9Sstevel@tonic-gate /* 20437c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 20447c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 20457c478bd9Sstevel@tonic-gate */ 20467c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 20477c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 20487c478bd9Sstevel@tonic-gate else 20497c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 20507c478bd9Sstevel@tonic-gate 20517c478bd9Sstevel@tonic-gate /* 20527c478bd9Sstevel@tonic-gate * generate the va_mask 20537c478bd9Sstevel@tonic-gate * Handle the easy cases first 20547c478bd9Sstevel@tonic-gate */ 20557c478bd9Sstevel@tonic-gate switch (breq) { 20567c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 20577c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 20587c478bd9Sstevel@tonic-gate return (NFS4_OK); 20597c478bd9Sstevel@tonic-gate 20607c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 20617c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 20627c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20637c478bd9Sstevel@tonic-gate return (NFS4_OK); 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 20667c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 20677c478bd9Sstevel@tonic-gate return (NFS4_OK); 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 20707c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 20717c478bd9Sstevel@tonic-gate return (NFS4_OK); 20727c478bd9Sstevel@tonic-gate 20737c478bd9Sstevel@tonic-gate default: 20747c478bd9Sstevel@tonic-gate va_mask = 0; 20757c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 20767c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 20771b300de9Sjwahlig nfs4_ntov_map[i].vbit) 20787c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 20797c478bd9Sstevel@tonic-gate } 20807c478bd9Sstevel@tonic-gate 20817c478bd9Sstevel@tonic-gate /* 20827c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 20837c478bd9Sstevel@tonic-gate */ 20847c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 20857c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 20887c478bd9Sstevel@tonic-gate return (NFS4_OK); 20897c478bd9Sstevel@tonic-gate } 20907c478bd9Sstevel@tonic-gate /* NOTREACHED */ 20917c478bd9Sstevel@tonic-gate } 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate /* 20947c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 20957c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 20967c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20977c478bd9Sstevel@tonic-gate */ 20987c478bd9Sstevel@tonic-gate static nfsstat4 20997c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 21007c478bd9Sstevel@tonic-gate { 21017c478bd9Sstevel@tonic-gate int error; 21027c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 21037c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 21047c478bd9Sstevel@tonic-gate 21057c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 21067c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 21077c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 21087c478bd9Sstevel@tonic-gate return (puterrno4(error)); 21097c478bd9Sstevel@tonic-gate } 21107c478bd9Sstevel@tonic-gate } 21117c478bd9Sstevel@tonic-gate 21127c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 21137c478bd9Sstevel@tonic-gate } 21147c478bd9Sstevel@tonic-gate 21157c478bd9Sstevel@tonic-gate static void 21167c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 21177c478bd9Sstevel@tonic-gate { 21187c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 21191b300de9Sjwahlig KM_SLEEP); 21207c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 21217c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 21227c478bd9Sstevel@tonic-gate } 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate static void 21257c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2126*d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp) 21277c478bd9Sstevel@tonic-gate { 21287c478bd9Sstevel@tonic-gate int i; 21297c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21307c478bd9Sstevel@tonic-gate uint8_t *amap; 21317c478bd9Sstevel@tonic-gate 21327c478bd9Sstevel@tonic-gate /* 21337c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 21347c478bd9Sstevel@tonic-gate */ 21357c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21361b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 21377c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 21381b300de9Sjwahlig NFS4ATTR_FREEIT, sargp, na); 21397c478bd9Sstevel@tonic-gate } 21407c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 21417c478bd9Sstevel@tonic-gate /* 21427c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 21437c478bd9Sstevel@tonic-gate */ 21447c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21451b300de9Sjwahlig i < ntovp->attrcnt; i++, na++, amap++) { 21467c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 21477c478bd9Sstevel@tonic-gate } 21487c478bd9Sstevel@tonic-gate } 21497c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 21507c478bd9Sstevel@tonic-gate } 21517c478bd9Sstevel@tonic-gate 21527c478bd9Sstevel@tonic-gate /* 21537c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 21547c478bd9Sstevel@tonic-gate */ 21557c478bd9Sstevel@tonic-gate static nfsstat4 21567c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 2157*d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp) 21587c478bd9Sstevel@tonic-gate { 21597c478bd9Sstevel@tonic-gate int error = 0; 21607c478bd9Sstevel@tonic-gate int i, k; 21617c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 21627c478bd9Sstevel@tonic-gate XDR xdr; 21637c478bd9Sstevel@tonic-gate ulong_t xdr_size; 21647c478bd9Sstevel@tonic-gate char *xdr_attrs; 21657c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 21667c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 21677c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21687c478bd9Sstevel@tonic-gate uint8_t *amap; 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 21717c478bd9Sstevel@tonic-gate sargp->flag = 0; 21727c478bd9Sstevel@tonic-gate 21737c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 21747c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 21757c478bd9Sstevel@tonic-gate if (breq == 0) { 21767c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 21777c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21787c478bd9Sstevel@tonic-gate return (NFS4_OK); 21797c478bd9Sstevel@tonic-gate } 21807c478bd9Sstevel@tonic-gate 21817c478bd9Sstevel@tonic-gate /* 21827c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 21837c478bd9Sstevel@tonic-gate */ 21847c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 21857c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 21867c478bd9Sstevel@tonic-gate 21877c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 21887c478bd9Sstevel@tonic-gate na = ntov.na; 21897c478bd9Sstevel@tonic-gate amap = ntov.amap; 21907c478bd9Sstevel@tonic-gate 21917c478bd9Sstevel@tonic-gate /* 21927c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 21937c478bd9Sstevel@tonic-gate */ 21947c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 21957c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 21967c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 21971b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 21987c478bd9Sstevel@tonic-gate 21997c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 22001b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 22017c478bd9Sstevel@tonic-gate 22027c478bd9Sstevel@tonic-gate /* 22037c478bd9Sstevel@tonic-gate * Possible error values: 22047c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 22057c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 22067c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 22077c478bd9Sstevel@tonic-gate * attribute cannot be returned. 22087c478bd9Sstevel@tonic-gate */ 22097c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 22107c478bd9Sstevel@tonic-gate goto done; 22117c478bd9Sstevel@tonic-gate /* 22127c478bd9Sstevel@tonic-gate * If error then just for entry 22137c478bd9Sstevel@tonic-gate */ 22147c478bd9Sstevel@tonic-gate if (error == 0) { 22157c478bd9Sstevel@tonic-gate fattrp->attrmask |= 22161b300de9Sjwahlig nfs4_ntov_map[i].fbit; 22177c478bd9Sstevel@tonic-gate *amap++ = 22181b300de9Sjwahlig (uint8_t)nfs4_ntov_map[i].nval; 22197c478bd9Sstevel@tonic-gate na++; 22207c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 22217c478bd9Sstevel@tonic-gate } else if ((error > 0) && 22221b300de9Sjwahlig (sargp->rdattr_error == NFS4_OK)) { 22237c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 22247c478bd9Sstevel@tonic-gate } 22257c478bd9Sstevel@tonic-gate error = 0; 22267c478bd9Sstevel@tonic-gate } 22277c478bd9Sstevel@tonic-gate } 22287c478bd9Sstevel@tonic-gate } 22297c478bd9Sstevel@tonic-gate 22307c478bd9Sstevel@tonic-gate /* 22317c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 22327c478bd9Sstevel@tonic-gate * update it. 22337c478bd9Sstevel@tonic-gate */ 22347c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 22357c478bd9Sstevel@tonic-gate na = ntov.na; 22367c478bd9Sstevel@tonic-gate amap = ntov.amap; 22377c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22387c478bd9Sstevel@tonic-gate k = *amap; 22397c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 22407c478bd9Sstevel@tonic-gate continue; 22417c478bd9Sstevel@tonic-gate } 22427c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 22437c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 22441b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 22457c478bd9Sstevel@tonic-gate 22467c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 22471b300de9Sjwahlig NFS4ATTR_GETIT, sargp, na); 22487c478bd9Sstevel@tonic-gate } 22497c478bd9Sstevel@tonic-gate break; 22507c478bd9Sstevel@tonic-gate } 22517c478bd9Sstevel@tonic-gate } 22527c478bd9Sstevel@tonic-gate 22537c478bd9Sstevel@tonic-gate xdr_size = 0; 22547c478bd9Sstevel@tonic-gate na = ntov.na; 22557c478bd9Sstevel@tonic-gate amap = ntov.amap; 22567c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22577c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 22587c478bd9Sstevel@tonic-gate } 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 22617c478bd9Sstevel@tonic-gate if (xdr_size) { 22627c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 22637c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 22647c478bd9Sstevel@tonic-gate 22657c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 22667c478bd9Sstevel@tonic-gate 22677c478bd9Sstevel@tonic-gate na = ntov.na; 22687c478bd9Sstevel@tonic-gate amap = ntov.amap; 22697c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22707c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 22710a701b1eSRobert Gordon DTRACE_PROBE1(nfss__e__getattr4_encfail, 22720a701b1eSRobert Gordon int, *amap); 22737c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 22747c478bd9Sstevel@tonic-gate break; 22757c478bd9Sstevel@tonic-gate } 22767c478bd9Sstevel@tonic-gate } 22777c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 22787c478bd9Sstevel@tonic-gate } else { 22797c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 22807c478bd9Sstevel@tonic-gate } 22817c478bd9Sstevel@tonic-gate done: 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 22847c478bd9Sstevel@tonic-gate 22857c478bd9Sstevel@tonic-gate if (error != 0) 22867c478bd9Sstevel@tonic-gate status = puterrno4(error); 22877c478bd9Sstevel@tonic-gate 22887c478bd9Sstevel@tonic-gate return (status); 22897c478bd9Sstevel@tonic-gate } 22907c478bd9Sstevel@tonic-gate 22917c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22927c478bd9Sstevel@tonic-gate static void 22937c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2294*d216dff5SRobert Mastors struct compound_state *cs) 22957c478bd9Sstevel@tonic-gate { 22967c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 22977c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 22987c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 22997c478bd9Sstevel@tonic-gate struct statvfs64 sb; 23007c478bd9Sstevel@tonic-gate nfsstat4 status; 23017c478bd9Sstevel@tonic-gate 2302f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__start, struct compound_state *, cs, 2303f3b585ceSsamf GETATTR4args *, args); 2304f3b585ceSsamf 23057c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2307f3b585ceSsamf goto out; 23087c478bd9Sstevel@tonic-gate } 23097c478bd9Sstevel@tonic-gate 23107c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2312f3b585ceSsamf goto out; 23137c478bd9Sstevel@tonic-gate } 23147c478bd9Sstevel@tonic-gate 23157c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 23167c478bd9Sstevel@tonic-gate sarg.cs = cs; 23177c478bd9Sstevel@tonic-gate 23187c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 23197c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 23207c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 23217c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 23227c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 23231b300de9Sjwahlig &resp->obj_attributes, &sarg); 23247c478bd9Sstevel@tonic-gate } 23257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 2326f3b585ceSsamf out: 2327f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__done, struct compound_state *, cs, 2328f3b585ceSsamf GETATTR4res *, resp); 23297c478bd9Sstevel@tonic-gate } 23307c478bd9Sstevel@tonic-gate 23317c478bd9Sstevel@tonic-gate static void 23327c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 23337c478bd9Sstevel@tonic-gate { 23347c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23357c478bd9Sstevel@tonic-gate 23367c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 23377c478bd9Sstevel@tonic-gate } 23387c478bd9Sstevel@tonic-gate 23397c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23407c478bd9Sstevel@tonic-gate static void 23417c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2342*d216dff5SRobert Mastors struct compound_state *cs) 23437c478bd9Sstevel@tonic-gate { 23447c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23457c478bd9Sstevel@tonic-gate 2346f3b585ceSsamf DTRACE_NFSV4_1(op__getfh__start, struct compound_state *, cs); 2347f3b585ceSsamf 23487c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2350f3b585ceSsamf goto out; 23517c478bd9Sstevel@tonic-gate } 23527c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2354f3b585ceSsamf goto out; 23557c478bd9Sstevel@tonic-gate } 23567c478bd9Sstevel@tonic-gate 23577c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 23581b300de9Sjwahlig kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 23597c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 23607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2361f3b585ceSsamf out: 2362f3b585ceSsamf DTRACE_NFSV4_2(op__getfh__done, struct compound_state *, cs, 2363f3b585ceSsamf GETFH4res *, resp); 23647c478bd9Sstevel@tonic-gate } 23657c478bd9Sstevel@tonic-gate 23667c478bd9Sstevel@tonic-gate static void 23677c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 23687c478bd9Sstevel@tonic-gate { 23697c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23707c478bd9Sstevel@tonic-gate 23717c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 23727c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 23737c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 23747c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 23757c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 23767c478bd9Sstevel@tonic-gate } 23777c478bd9Sstevel@tonic-gate } 23787c478bd9Sstevel@tonic-gate 23797c478bd9Sstevel@tonic-gate /* 23807c478bd9Sstevel@tonic-gate * illegal: args: void 23817c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 23827c478bd9Sstevel@tonic-gate */ 23837c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23847c478bd9Sstevel@tonic-gate static void 23857c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 2386*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 23877c478bd9Sstevel@tonic-gate { 23887c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 23897c478bd9Sstevel@tonic-gate 23907c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 23917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 23927c478bd9Sstevel@tonic-gate } 23937c478bd9Sstevel@tonic-gate 23947c478bd9Sstevel@tonic-gate /* 23957c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 23967c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 23977c478bd9Sstevel@tonic-gate */ 23987c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23997c478bd9Sstevel@tonic-gate static void 24007c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2401*d216dff5SRobert Mastors struct compound_state *cs) 24027c478bd9Sstevel@tonic-gate { 24037c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 24047c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 24057c478bd9Sstevel@tonic-gate int error; 24067c478bd9Sstevel@tonic-gate vnode_t *vp; 24077c478bd9Sstevel@tonic-gate vnode_t *dvp; 24087c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 24097c478bd9Sstevel@tonic-gate char *nm; 24107c478bd9Sstevel@tonic-gate uint_t len; 2411b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2412b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 24137c478bd9Sstevel@tonic-gate 2414f3b585ceSsamf DTRACE_NFSV4_2(op__link__start, struct compound_state *, cs, 2415f3b585ceSsamf LINK4args *, args); 2416f3b585ceSsamf 24177c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 24187c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 24197c478bd9Sstevel@tonic-gate if (vp == NULL) { 24207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2421f3b585ceSsamf goto out; 24227c478bd9Sstevel@tonic-gate } 24237c478bd9Sstevel@tonic-gate 24247c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 24257c478bd9Sstevel@tonic-gate dvp = cs->vp; 24267c478bd9Sstevel@tonic-gate if (dvp == NULL) { 24277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2428f3b585ceSsamf goto out; 24297c478bd9Sstevel@tonic-gate } 24307c478bd9Sstevel@tonic-gate 24317c478bd9Sstevel@tonic-gate /* 24327c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 24337c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 24347c478bd9Sstevel@tonic-gate */ 24357c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 24367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2437f3b585ceSsamf goto out; 24387c478bd9Sstevel@tonic-gate } 24397c478bd9Sstevel@tonic-gate 24407c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 24417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2442f3b585ceSsamf goto out; 24437c478bd9Sstevel@tonic-gate } 24447c478bd9Sstevel@tonic-gate 24457c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 24467c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 24477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 2448f3b585ceSsamf goto out; 24497c478bd9Sstevel@tonic-gate } 24507c478bd9Sstevel@tonic-gate 24517c478bd9Sstevel@tonic-gate /* Check target directory's type */ 24527c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 24537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2454f3b585ceSsamf goto out; 24557c478bd9Sstevel@tonic-gate } 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 24587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 2459f3b585ceSsamf goto out; 24607c478bd9Sstevel@tonic-gate } 24617c478bd9Sstevel@tonic-gate 24627c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 24637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2464f3b585ceSsamf goto out; 24657c478bd9Sstevel@tonic-gate } 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 24687c478bd9Sstevel@tonic-gate if (nm == NULL) { 24697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2470f3b585ceSsamf goto out; 24717c478bd9Sstevel@tonic-gate } 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 24747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 24757c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2476f3b585ceSsamf goto out; 24777c478bd9Sstevel@tonic-gate } 24787c478bd9Sstevel@tonic-gate 24797c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 24807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 24817c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2482f3b585ceSsamf goto out; 24837c478bd9Sstevel@tonic-gate } 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate /* Get "before" change value */ 24867c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2487da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 24887c478bd9Sstevel@tonic-gate if (error) { 24897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 24907c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2491f3b585ceSsamf goto out; 24927c478bd9Sstevel@tonic-gate } 24937c478bd9Sstevel@tonic-gate 2494b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2495b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2496b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2497b89a8333Snatalie li - Sun Microsystems - Irvine United States 2498b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2499b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2500b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2501b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2502b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2503b89a8333Snatalie li - Sun Microsystems - Irvine United States 25047c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 25057c478bd9Sstevel@tonic-gate 2506b89a8333Snatalie li - Sun Microsystems - Irvine United States error = VOP_LINK(dvp, vp, name, cs->cr, NULL, 0); 25077c478bd9Sstevel@tonic-gate 2508b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 2509b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 25107c478bd9Sstevel@tonic-gate kmem_free(nm, len); 25117c478bd9Sstevel@tonic-gate 25127c478bd9Sstevel@tonic-gate /* 25137c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 25147c478bd9Sstevel@tonic-gate */ 25157c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2516da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 25177c478bd9Sstevel@tonic-gate idva.va_seq = 0; 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate /* 25207c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 25217c478bd9Sstevel@tonic-gate */ 2522da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2523da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 25247c478bd9Sstevel@tonic-gate 25257c478bd9Sstevel@tonic-gate if (error) { 25267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 2527f3b585ceSsamf goto out; 25287c478bd9Sstevel@tonic-gate } 25297c478bd9Sstevel@tonic-gate 25307c478bd9Sstevel@tonic-gate /* 25317c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 25327c478bd9Sstevel@tonic-gate * before value. 25337c478bd9Sstevel@tonic-gate */ 25347c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2535da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 25367c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 25377c478bd9Sstevel@tonic-gate adva.va_seq = 0; 25387c478bd9Sstevel@tonic-gate } 25397c478bd9Sstevel@tonic-gate 25407c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 25417c478bd9Sstevel@tonic-gate 25427c478bd9Sstevel@tonic-gate /* 25437c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 25447c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 25457c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 25467c478bd9Sstevel@tonic-gate */ 25477c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 25481b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 25497c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 25507c478bd9Sstevel@tonic-gate else 25517c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 25527c478bd9Sstevel@tonic-gate 25537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2554f3b585ceSsamf out: 2555f3b585ceSsamf DTRACE_NFSV4_2(op__link__done, struct compound_state *, cs, 2556f3b585ceSsamf LINK4res *, resp); 25577c478bd9Sstevel@tonic-gate } 25587c478bd9Sstevel@tonic-gate 25597c478bd9Sstevel@tonic-gate /* 25607c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 25617c478bd9Sstevel@tonic-gate */ 25627c478bd9Sstevel@tonic-gate 25637c478bd9Sstevel@tonic-gate /* ARGSUSED */ 25647c478bd9Sstevel@tonic-gate static nfsstat4 25657c478bd9Sstevel@tonic-gate do_rfs4_op_lookup(char *nm, uint_t buflen, struct svc_req *req, 2566*d216dff5SRobert Mastors struct compound_state *cs) 25677c478bd9Sstevel@tonic-gate { 25687c478bd9Sstevel@tonic-gate int error; 25697c478bd9Sstevel@tonic-gate int different_export = 0; 25707c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 25717c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 25727c478bd9Sstevel@tonic-gate nfsstat4 stat; 25737c478bd9Sstevel@tonic-gate fid_t fid; 25747c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 25757c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 25767c478bd9Sstevel@tonic-gate 25777c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 25787c478bd9Sstevel@tonic-gate attrdir = 1; 25797c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 25807c478bd9Sstevel@tonic-gate } else { 25817c478bd9Sstevel@tonic-gate attrdir = 0; 25827c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 25837c478bd9Sstevel@tonic-gate } 25847c478bd9Sstevel@tonic-gate 25857c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 25867c478bd9Sstevel@tonic-gate 25877c478bd9Sstevel@tonic-gate /* 25887c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 25897c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 25907c478bd9Sstevel@tonic-gate * export point. 25917c478bd9Sstevel@tonic-gate */ 25927c478bd9Sstevel@tonic-gate if (dotdot) { 25937c478bd9Sstevel@tonic-gate 25947c478bd9Sstevel@tonic-gate /* 25957c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 25967c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 25977c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 25987c478bd9Sstevel@tonic-gate */ 25997c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 26007c478bd9Sstevel@tonic-gate 26017c478bd9Sstevel@tonic-gate /* 26027c478bd9Sstevel@tonic-gate * If at the system root, then can 26037c478bd9Sstevel@tonic-gate * go up no further. 26047c478bd9Sstevel@tonic-gate */ 26057c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 26067c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26077c478bd9Sstevel@tonic-gate 26087c478bd9Sstevel@tonic-gate /* 26097c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 26107c478bd9Sstevel@tonic-gate */ 26117c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate /* 26147c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 26157c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 26167c478bd9Sstevel@tonic-gate * this new filesystem. 26177c478bd9Sstevel@tonic-gate */ 26187c478bd9Sstevel@tonic-gate different_export = 1; 26197c478bd9Sstevel@tonic-gate } else { 26207c478bd9Sstevel@tonic-gate 26217c478bd9Sstevel@tonic-gate /* 26227c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 26237c478bd9Sstevel@tonic-gate * the different_export to get new export info. 26247c478bd9Sstevel@tonic-gate */ 26257c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 26267c478bd9Sstevel@tonic-gate } 26277c478bd9Sstevel@tonic-gate } 26287c478bd9Sstevel@tonic-gate 2629da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2630da6c28aaSamw NULL, NULL, NULL); 26317c478bd9Sstevel@tonic-gate if (error) 26327c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26337c478bd9Sstevel@tonic-gate 26347c478bd9Sstevel@tonic-gate /* 26357c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 26367c478bd9Sstevel@tonic-gate * 26377c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 26387c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 26397c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 26407c478bd9Sstevel@tonic-gate * from V2/V3. 26417c478bd9Sstevel@tonic-gate * 26427c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 26437c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 26447c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 26457c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 26467c478bd9Sstevel@tonic-gate */ 26477c478bd9Sstevel@tonic-gate if (!different_export && 26487c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 26497c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 26507c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 26517c478bd9Sstevel@tonic-gate VN_RELE(vp); 26527c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26537c478bd9Sstevel@tonic-gate } 26547c478bd9Sstevel@tonic-gate } 26557c478bd9Sstevel@tonic-gate 26567c478bd9Sstevel@tonic-gate /* 26577c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 26587c478bd9Sstevel@tonic-gate */ 26597c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 26607c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 26617c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 26627c478bd9Sstevel@tonic-gate 26637c478bd9Sstevel@tonic-gate /* 26647c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 26657c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 26667c478bd9Sstevel@tonic-gate */ 26677c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 26687c478bd9Sstevel@tonic-gate tvp = vp; 26697c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 26707c478bd9Sstevel@tonic-gate VN_RELE(vp); 26717c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 26727c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26737c478bd9Sstevel@tonic-gate } 26747c478bd9Sstevel@tonic-gate vp = tvp; 26757c478bd9Sstevel@tonic-gate different_export = 1; 26767c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 26777c478bd9Sstevel@tonic-gate /* 26787c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 26797c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 26807c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 26817c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 26827c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 26837c478bd9Sstevel@tonic-gate * vfs ptrs. 26847c478bd9Sstevel@tonic-gate */ 26857c478bd9Sstevel@tonic-gate different_export = 1; 26867c478bd9Sstevel@tonic-gate } 26877c478bd9Sstevel@tonic-gate 26887c478bd9Sstevel@tonic-gate if (different_export) { 26897c478bd9Sstevel@tonic-gate 26907c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 26917c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 26927c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 26937c478bd9Sstevel@tonic-gate if (error) { 26947c478bd9Sstevel@tonic-gate VN_RELE(vp); 26957c478bd9Sstevel@tonic-gate if (pre_tvp) 26967c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 26977c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26987c478bd9Sstevel@tonic-gate } 26997c478bd9Sstevel@tonic-gate 27007c478bd9Sstevel@tonic-gate if (dotdot) 27017c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 27027c478bd9Sstevel@tonic-gate else 27037c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 27047c478bd9Sstevel@tonic-gate 27057c478bd9Sstevel@tonic-gate if (exi == NULL) { 27067c478bd9Sstevel@tonic-gate if (pre_tvp) { 27077c478bd9Sstevel@tonic-gate /* 27087c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 27097c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 27107c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 27117c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 27127c478bd9Sstevel@tonic-gate * the mounted-on file system. 27137c478bd9Sstevel@tonic-gate */ 27147c478bd9Sstevel@tonic-gate VN_RELE(vp); 27157c478bd9Sstevel@tonic-gate vp = pre_tvp; 27167c478bd9Sstevel@tonic-gate exi = pre_exi; 27177c478bd9Sstevel@tonic-gate } else { 27187c478bd9Sstevel@tonic-gate VN_RELE(vp); 27197c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 27207c478bd9Sstevel@tonic-gate } 27217c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 27227c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 27237c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27247c478bd9Sstevel@tonic-gate } 27257c478bd9Sstevel@tonic-gate 27267c478bd9Sstevel@tonic-gate cs->exi = exi; 27277c478bd9Sstevel@tonic-gate 27287c478bd9Sstevel@tonic-gate /* 27297c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 27307c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 27317c478bd9Sstevel@tonic-gate * exported file system, and if he does, 27327c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 27337c478bd9Sstevel@tonic-gate * 27347c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 27357c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 27367c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 27377c478bd9Sstevel@tonic-gate * checkauth4() 27387c478bd9Sstevel@tonic-gate */ 27397c478bd9Sstevel@tonic-gate crfree(cs->cr); 27407c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 27417c478bd9Sstevel@tonic-gate 27427c478bd9Sstevel@tonic-gate if (cs->vp) 27437c478bd9Sstevel@tonic-gate oldvp = cs->vp; 27447c478bd9Sstevel@tonic-gate cs->vp = vp; 27457c478bd9Sstevel@tonic-gate is_newvp = TRUE; 27467c478bd9Sstevel@tonic-gate 27477c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 27487c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 27497c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27507c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27517c478bd9Sstevel@tonic-gate return (stat); 27527c478bd9Sstevel@tonic-gate } 27537c478bd9Sstevel@tonic-gate } 27547c478bd9Sstevel@tonic-gate 275545916cd2Sjpk /* 275645916cd2Sjpk * After various NFS checks, do a label check on the path 275745916cd2Sjpk * component. The label on this path should either be the 275845916cd2Sjpk * global zone's label or a zone's label. We are only 275945916cd2Sjpk * interested in the zone's label because exported files 276045916cd2Sjpk * in global zone is accessible (though read-only) to 276145916cd2Sjpk * clients. The exportability/visibility check is already 276245916cd2Sjpk * done before reaching this code. 276345916cd2Sjpk */ 276445916cd2Sjpk if (is_system_labeled()) { 276545916cd2Sjpk bslabel_t *clabel; 276645916cd2Sjpk 276745916cd2Sjpk ASSERT(req->rq_label != NULL); 276845916cd2Sjpk clabel = req->rq_label; 276945916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 277045916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 277145916cd2Sjpk 277245916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 2773bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 2774bd6f1640SJarrett Lu cs->exi)) { 277545916cd2Sjpk error = EACCES; 277645916cd2Sjpk goto err_out; 277745916cd2Sjpk } 277845916cd2Sjpk } else { 277945916cd2Sjpk /* 278045916cd2Sjpk * We grant access to admin_low label clients 278145916cd2Sjpk * only if the client is trusted, i.e. also 278245916cd2Sjpk * running Solaris Trusted Extension. 278345916cd2Sjpk */ 278445916cd2Sjpk struct sockaddr *ca; 278545916cd2Sjpk int addr_type; 278645916cd2Sjpk void *ipaddr; 278745916cd2Sjpk tsol_tpc_t *tp; 278845916cd2Sjpk 278945916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 279045916cd2Sjpk req->rq_xprt)->buf; 279145916cd2Sjpk if (ca->sa_family == AF_INET) { 279245916cd2Sjpk addr_type = IPV4_VERSION; 279345916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 279445916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 279545916cd2Sjpk addr_type = IPV6_VERSION; 279645916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 279745916cd2Sjpk ca)->sin6_addr; 279845916cd2Sjpk } 279945916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 280045916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 280145916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 280245916cd2Sjpk SUN_CIPSO) { 280303986916Sjarrett if (tp != NULL) 280403986916Sjarrett TPC_RELE(tp); 280545916cd2Sjpk error = EACCES; 280645916cd2Sjpk goto err_out; 280745916cd2Sjpk } 280803986916Sjarrett TPC_RELE(tp); 280945916cd2Sjpk } 281045916cd2Sjpk } 281145916cd2Sjpk 28127c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 28137c478bd9Sstevel@tonic-gate 281445916cd2Sjpk err_out: 28157c478bd9Sstevel@tonic-gate if (error) { 28167c478bd9Sstevel@tonic-gate if (is_newvp) { 28177c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28187c478bd9Sstevel@tonic-gate cs->vp = oldvp; 28197c478bd9Sstevel@tonic-gate } else 28207c478bd9Sstevel@tonic-gate VN_RELE(vp); 28217c478bd9Sstevel@tonic-gate return (puterrno4(error)); 28227c478bd9Sstevel@tonic-gate } 28237c478bd9Sstevel@tonic-gate 28247c478bd9Sstevel@tonic-gate if (!is_newvp) { 28257c478bd9Sstevel@tonic-gate if (cs->vp) 28267c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28277c478bd9Sstevel@tonic-gate cs->vp = vp; 28287c478bd9Sstevel@tonic-gate } else if (oldvp) 28297c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 28307c478bd9Sstevel@tonic-gate 28317c478bd9Sstevel@tonic-gate /* 28327c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 28337c478bd9Sstevel@tonic-gate * attr fh flag 28347c478bd9Sstevel@tonic-gate */ 28357c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 28367c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 28377c478bd9Sstevel@tonic-gate 28387c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 28397c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate return (NFS4_OK); 28427c478bd9Sstevel@tonic-gate } 28437c478bd9Sstevel@tonic-gate 28447c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28457c478bd9Sstevel@tonic-gate static void 28467c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2847*d216dff5SRobert Mastors struct compound_state *cs) 28487c478bd9Sstevel@tonic-gate { 28497c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 28507c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 28517c478bd9Sstevel@tonic-gate char *nm; 28527c478bd9Sstevel@tonic-gate uint_t len; 2853b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2854b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 28557c478bd9Sstevel@tonic-gate 2856f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__start, struct compound_state *, cs, 2857f3b585ceSsamf LOOKUP4args *, args); 2858f3b585ceSsamf 28597c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 28607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2861f3b585ceSsamf goto out; 28627c478bd9Sstevel@tonic-gate } 28637c478bd9Sstevel@tonic-gate 28647c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 28657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 2866f3b585ceSsamf goto out; 28677c478bd9Sstevel@tonic-gate } 28687c478bd9Sstevel@tonic-gate 28697c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 28707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2871f3b585ceSsamf goto out; 28727c478bd9Sstevel@tonic-gate } 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 28757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2876f3b585ceSsamf goto out; 28777c478bd9Sstevel@tonic-gate } 28787c478bd9Sstevel@tonic-gate 28797c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 28807c478bd9Sstevel@tonic-gate if (nm == NULL) { 28817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2882f3b585ceSsamf goto out; 28837c478bd9Sstevel@tonic-gate } 28847c478bd9Sstevel@tonic-gate 28857c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 28867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 28877c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2888f3b585ceSsamf goto out; 28897c478bd9Sstevel@tonic-gate } 28907c478bd9Sstevel@tonic-gate 2891b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 28927c478bd9Sstevel@tonic-gate 2893b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2894b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2895b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2896b89a8333Snatalie li - Sun Microsystems - Irvine United States 2897b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2898b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2899b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2900b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2901b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2902b89a8333Snatalie li - Sun Microsystems - Irvine United States 2903b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_lookup(name, len, req, cs); 2904b89a8333Snatalie li - Sun Microsystems - Irvine United States 2905b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 2906b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 29077c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2908f3b585ceSsamf 2909f3b585ceSsamf out: 2910f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__done, struct compound_state *, cs, 2911f3b585ceSsamf LOOKUP4res *, resp); 29127c478bd9Sstevel@tonic-gate } 29137c478bd9Sstevel@tonic-gate 29147c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29157c478bd9Sstevel@tonic-gate static void 29167c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 2917*d216dff5SRobert Mastors struct compound_state *cs) 29187c478bd9Sstevel@tonic-gate { 29197c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 29207c478bd9Sstevel@tonic-gate 2921f3b585ceSsamf DTRACE_NFSV4_1(op__lookupp__start, struct compound_state *, cs); 2922f3b585ceSsamf 29237c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2925f3b585ceSsamf goto out; 29267c478bd9Sstevel@tonic-gate } 29277c478bd9Sstevel@tonic-gate 29287c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2930f3b585ceSsamf goto out; 29317c478bd9Sstevel@tonic-gate } 29327c478bd9Sstevel@tonic-gate 29337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = do_rfs4_op_lookup("..", 3, req, cs); 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate /* 29367c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 29377c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 29387c478bd9Sstevel@tonic-gate */ 29397c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 29407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 29417c478bd9Sstevel@tonic-gate } 2942f3b585ceSsamf 2943f3b585ceSsamf out: 2944f3b585ceSsamf DTRACE_NFSV4_2(op__lookupp__done, struct compound_state *, cs, 2945f3b585ceSsamf LOOKUPP4res *, resp); 29467c478bd9Sstevel@tonic-gate } 29477c478bd9Sstevel@tonic-gate 29487c478bd9Sstevel@tonic-gate 29497c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 29507c478bd9Sstevel@tonic-gate static void 29517c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 2952*d216dff5SRobert Mastors struct compound_state *cs) 29537c478bd9Sstevel@tonic-gate { 29547c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 29557c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 29567c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 29577c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 29587c478bd9Sstevel@tonic-gate int exp_ro = 0; 29597c478bd9Sstevel@tonic-gate 2960f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__start, struct compound_state *, cs, 2961f3b585ceSsamf OPENATTR4args *, args); 2962f3b585ceSsamf 29637c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2965f3b585ceSsamf goto out; 29667c478bd9Sstevel@tonic-gate } 29677c478bd9Sstevel@tonic-gate 2968da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 29699660e5cbSJanice Chang !vfs_has_feature(cs->vp->v_vfsp, VFSFT_SYSATTR_VIEWS)) { 2970f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 2971f3b585ceSsamf goto out; 29727c478bd9Sstevel@tonic-gate } 29737c478bd9Sstevel@tonic-gate 297493aeed83Smarks /* 297593aeed83Smarks * If file system supports passing ACE mask to VOP_ACCESS then 297693aeed83Smarks * check for ACE_READ_NAMED_ATTRS, otherwise do legacy checks 297793aeed83Smarks */ 297893aeed83Smarks 297993aeed83Smarks if (vfs_has_feature(cs->vp->v_vfsp, VFSFT_ACEMASKONACCESS)) 298093aeed83Smarks error = VOP_ACCESS(cs->vp, ACE_READ_NAMED_ATTRS, 298193aeed83Smarks V_ACE_MASK, cs->cr, NULL); 298293aeed83Smarks else 298393aeed83Smarks error = ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 298493aeed83Smarks (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 298593aeed83Smarks (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)); 298693aeed83Smarks 298793aeed83Smarks if (error) { 2988f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EACCES); 2989f3b585ceSsamf goto out; 29907c478bd9Sstevel@tonic-gate } 29917c478bd9Sstevel@tonic-gate 29927c478bd9Sstevel@tonic-gate /* 29937c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 29947c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 29957c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 29967c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 29977c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 29987c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 29997c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 30007c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 30017c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 30027c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 30037c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 30047c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 30057c478bd9Sstevel@tonic-gate */ 30067c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 30077c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 30087c478bd9Sstevel@tonic-gate 3009da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 3010da6c28aaSamw NULL, NULL, NULL); 30117c478bd9Sstevel@tonic-gate 30127c478bd9Sstevel@tonic-gate if (error) { 30137c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 3014f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EROFS); 30157c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 3016f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3017f3b585ceSsamf else 3018f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3019f3b585ceSsamf goto out; 30207c478bd9Sstevel@tonic-gate } 30217c478bd9Sstevel@tonic-gate 30227c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 30237c478bd9Sstevel@tonic-gate 30247c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 30257c478bd9Sstevel@tonic-gate 30267c478bd9Sstevel@tonic-gate if (error) { 30277c478bd9Sstevel@tonic-gate VN_RELE(avp); 3028f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3029f3b585ceSsamf goto out; 30307c478bd9Sstevel@tonic-gate } 30317c478bd9Sstevel@tonic-gate 30327c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 30337c478bd9Sstevel@tonic-gate cs->vp = avp; 30347c478bd9Sstevel@tonic-gate 30357c478bd9Sstevel@tonic-gate /* 30367c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 30377c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 30387c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 30397c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 30407c478bd9Sstevel@tonic-gate */ 30417c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 30427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30437c478bd9Sstevel@tonic-gate 3044f3b585ceSsamf out: 3045f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__done, struct compound_state *, cs, 3046f3b585ceSsamf OPENATTR4res *, resp); 30477c478bd9Sstevel@tonic-gate } 30487c478bd9Sstevel@tonic-gate 30497c478bd9Sstevel@tonic-gate static int 3050da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 3051da6c28aaSamw caller_context_t *ct) 30527c478bd9Sstevel@tonic-gate { 30537c478bd9Sstevel@tonic-gate int error; 30547c478bd9Sstevel@tonic-gate int i; 30557c478bd9Sstevel@tonic-gate clock_t delaytime; 30567c478bd9Sstevel@tonic-gate 30577c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 30587c478bd9Sstevel@tonic-gate 30597c478bd9Sstevel@tonic-gate /* 30607c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 30617c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 30627c478bd9Sstevel@tonic-gate */ 30637c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 30647c478bd9Sstevel@tonic-gate 30657c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 30667c478bd9Sstevel@tonic-gate 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate if (direction == FREAD) { 3069da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 3070da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 3071da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 30727c478bd9Sstevel@tonic-gate } else { 3073da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 3074da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 3075da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 30767c478bd9Sstevel@tonic-gate } 30777c478bd9Sstevel@tonic-gate 30787c478bd9Sstevel@tonic-gate if (error != EAGAIN) 30797c478bd9Sstevel@tonic-gate break; 30807c478bd9Sstevel@tonic-gate 30817c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 30827c478bd9Sstevel@tonic-gate delay(delaytime); 30837c478bd9Sstevel@tonic-gate delaytime *= 2; 30847c478bd9Sstevel@tonic-gate } 30857c478bd9Sstevel@tonic-gate } 30867c478bd9Sstevel@tonic-gate 30877c478bd9Sstevel@tonic-gate return (error); 30887c478bd9Sstevel@tonic-gate } 30897c478bd9Sstevel@tonic-gate 30907c478bd9Sstevel@tonic-gate /* ARGSUSED */ 30917c478bd9Sstevel@tonic-gate static void 30927c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3093*d216dff5SRobert Mastors struct compound_state *cs) 30947c478bd9Sstevel@tonic-gate { 30957c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 30967c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 30977c478bd9Sstevel@tonic-gate int error; 30987c478bd9Sstevel@tonic-gate int verror; 30997c478bd9Sstevel@tonic-gate vnode_t *vp; 31007c478bd9Sstevel@tonic-gate struct vattr va; 31017c478bd9Sstevel@tonic-gate struct iovec iov; 31027c478bd9Sstevel@tonic-gate struct uio uio; 31037c478bd9Sstevel@tonic-gate u_offset_t offset; 31047c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 31057c478bd9Sstevel@tonic-gate nfsstat4 stat; 31067c478bd9Sstevel@tonic-gate int in_crit = 0; 31077c478bd9Sstevel@tonic-gate mblk_t *mp; 31087c478bd9Sstevel@tonic-gate int alloc_err = 0; 3109da6c28aaSamw caller_context_t ct; 31107c478bd9Sstevel@tonic-gate 3111f3b585ceSsamf DTRACE_NFSV4_2(op__read__start, struct compound_state *, cs, 3112f3b585ceSsamf READ4args, args); 3113f3b585ceSsamf 31147c478bd9Sstevel@tonic-gate vp = cs->vp; 31157c478bd9Sstevel@tonic-gate if (vp == NULL) { 31167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3117f3b585ceSsamf goto out; 31187c478bd9Sstevel@tonic-gate } 31197c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 31207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3121f3b585ceSsamf goto out; 31227c478bd9Sstevel@tonic-gate } 31237c478bd9Sstevel@tonic-gate 3124da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3125da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 3126da6c28aaSamw *cs->statusp = resp->status = stat; 3127da6c28aaSamw goto out; 3128da6c28aaSamw } 3129da6c28aaSamw 31307c478bd9Sstevel@tonic-gate /* 31317c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 31327c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 31337c478bd9Sstevel@tonic-gate */ 31347c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 31357c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 31367c478bd9Sstevel@tonic-gate in_crit = 1; 3137da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 3138da6c28aaSamw &ct)) { 31397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 31407c478bd9Sstevel@tonic-gate goto out; 31417c478bd9Sstevel@tonic-gate } 31427c478bd9Sstevel@tonic-gate } 31437c478bd9Sstevel@tonic-gate 31447c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3145da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 31467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 31477c478bd9Sstevel@tonic-gate goto out; 31487c478bd9Sstevel@tonic-gate } 31497c478bd9Sstevel@tonic-gate 31507c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 3151da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 31527c478bd9Sstevel@tonic-gate 31537c478bd9Sstevel@tonic-gate /* 31547c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 31557c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 31567c478bd9Sstevel@tonic-gate */ 31577c478bd9Sstevel@tonic-gate if (verror) { 31587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 31597c478bd9Sstevel@tonic-gate goto out; 31607c478bd9Sstevel@tonic-gate } 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 31637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 31641b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 31657c478bd9Sstevel@tonic-gate goto out; 31667c478bd9Sstevel@tonic-gate } 31677c478bd9Sstevel@tonic-gate 31687c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 3169da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 3170da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 31717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 31727c478bd9Sstevel@tonic-gate goto out; 31737c478bd9Sstevel@tonic-gate } 31747c478bd9Sstevel@tonic-gate 31757c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 31767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 31777c478bd9Sstevel@tonic-gate goto out; 31787c478bd9Sstevel@tonic-gate } 31797c478bd9Sstevel@tonic-gate 31807c478bd9Sstevel@tonic-gate offset = args->offset; 31817c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 31827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 31837c478bd9Sstevel@tonic-gate resp->eof = TRUE; 31847c478bd9Sstevel@tonic-gate resp->data_len = 0; 31857c478bd9Sstevel@tonic-gate resp->data_val = NULL; 31867c478bd9Sstevel@tonic-gate resp->mblk = NULL; 31870a701b1eSRobert Gordon /* RDMA */ 31880a701b1eSRobert Gordon resp->wlist = args->wlist; 31890a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 31907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3191f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3192f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 31937c478bd9Sstevel@tonic-gate goto out; 31947c478bd9Sstevel@tonic-gate } 31957c478bd9Sstevel@tonic-gate 31967c478bd9Sstevel@tonic-gate if (args->count == 0) { 31977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 31987c478bd9Sstevel@tonic-gate resp->eof = FALSE; 31997c478bd9Sstevel@tonic-gate resp->data_len = 0; 32007c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32017c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32020a701b1eSRobert Gordon /* RDMA */ 32030a701b1eSRobert Gordon resp->wlist = args->wlist; 32040a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 3205f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3206f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32077c478bd9Sstevel@tonic-gate goto out; 32087c478bd9Sstevel@tonic-gate } 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate /* 32117c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 32127c478bd9Sstevel@tonic-gate * transfer size 32137c478bd9Sstevel@tonic-gate */ 32147c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 32157c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 32167c478bd9Sstevel@tonic-gate 32177c478bd9Sstevel@tonic-gate /* 32180a701b1eSRobert Gordon * If returning data via RDMA Write, then grab the chunk list. If we 32190a701b1eSRobert Gordon * aren't returning READ data w/RDMA_WRITE, then grab a mblk. 32207c478bd9Sstevel@tonic-gate */ 32210a701b1eSRobert Gordon if (args->wlist) { 32220a701b1eSRobert Gordon mp = NULL; 32230a701b1eSRobert Gordon (void) rdma_get_wchunk(req, &iov, args->wlist); 32240a701b1eSRobert Gordon } else { 32250a701b1eSRobert Gordon /* 32260a701b1eSRobert Gordon * mp will contain the data to be sent out in the read reply. 32270a701b1eSRobert Gordon * It will be freed after the reply has been sent. Let's 32280a701b1eSRobert Gordon * roundup the data to a BYTES_PER_XDR_UNIT multiple, so that 32290a701b1eSRobert Gordon * the call to xdrmblk_putmblk() never fails. If the first 32300a701b1eSRobert Gordon * alloc of the requested size fails, then decrease the size to 32310a701b1eSRobert Gordon * something more reasonable and wait for the allocation to 32320a701b1eSRobert Gordon * occur. 32330a701b1eSRobert Gordon */ 32340a701b1eSRobert Gordon mp = allocb(RNDUP(args->count), BPRI_MED); 32350a701b1eSRobert Gordon if (mp == NULL) { 32360a701b1eSRobert Gordon if (args->count > MAXBSIZE) 32370a701b1eSRobert Gordon args->count = MAXBSIZE; 32380a701b1eSRobert Gordon mp = allocb_wait(RNDUP(args->count), BPRI_MED, 32390a701b1eSRobert Gordon STR_NOSIG, &alloc_err); 32400a701b1eSRobert Gordon } 32410a701b1eSRobert Gordon ASSERT(mp != NULL); 32420a701b1eSRobert Gordon ASSERT(alloc_err == 0); 32430a701b1eSRobert Gordon 32440a701b1eSRobert Gordon iov.iov_base = (caddr_t)mp->b_datap->db_base; 32450a701b1eSRobert Gordon iov.iov_len = args->count; 32467c478bd9Sstevel@tonic-gate } 32477c478bd9Sstevel@tonic-gate 32487c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 32497c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 32507c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 32517c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 32527c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 32537c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 32547c478bd9Sstevel@tonic-gate 3255da6c28aaSamw error = do_io(FREAD, vp, &uio, 0, cs->cr, &ct); 32567c478bd9Sstevel@tonic-gate 32577c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3258da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 32597c478bd9Sstevel@tonic-gate 32607c478bd9Sstevel@tonic-gate if (error) { 32617c478bd9Sstevel@tonic-gate freeb(mp); 32627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32637c478bd9Sstevel@tonic-gate goto out; 32647c478bd9Sstevel@tonic-gate } 32657c478bd9Sstevel@tonic-gate 32667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32677c478bd9Sstevel@tonic-gate 32687c478bd9Sstevel@tonic-gate ASSERT(uio.uio_resid >= 0); 32697c478bd9Sstevel@tonic-gate resp->data_len = args->count - uio.uio_resid; 32700a701b1eSRobert Gordon if (mp) { 32710a701b1eSRobert Gordon resp->data_val = (char *)mp->b_datap->db_base; 32720a701b1eSRobert Gordon } else { 32730a701b1eSRobert Gordon resp->data_val = (caddr_t)iov.iov_base; 32740a701b1eSRobert Gordon } 32757c478bd9Sstevel@tonic-gate resp->mblk = mp; 32767c478bd9Sstevel@tonic-gate 32777c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 32787c478bd9Sstevel@tonic-gate resp->eof = TRUE; 32797c478bd9Sstevel@tonic-gate else 32807c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32817c478bd9Sstevel@tonic-gate 32820a701b1eSRobert Gordon if (args->wlist) { 32830a701b1eSRobert Gordon if (!rdma_setup_read_data4(args, resp)) { 32840a701b1eSRobert Gordon *cs->statusp = resp->status = NFS4ERR_INVAL; 32850a701b1eSRobert Gordon } 32860a701b1eSRobert Gordon } else { 32870a701b1eSRobert Gordon resp->wlist = NULL; 32880a701b1eSRobert Gordon } 32890a701b1eSRobert Gordon 32907c478bd9Sstevel@tonic-gate out: 32917c478bd9Sstevel@tonic-gate if (in_crit) 32927c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 3293f3b585ceSsamf 3294f3b585ceSsamf DTRACE_NFSV4_2(op__read__done, struct compound_state *, cs, 3295f3b585ceSsamf READ4res *, resp); 32967c478bd9Sstevel@tonic-gate } 32977c478bd9Sstevel@tonic-gate 32987c478bd9Sstevel@tonic-gate static void 32997c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 33007c478bd9Sstevel@tonic-gate { 33010a701b1eSRobert Gordon READ4res *resp = &resop->nfs_resop4_u.opread; 33027c478bd9Sstevel@tonic-gate 33037c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 33047c478bd9Sstevel@tonic-gate freeb(resp->mblk); 33057c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33067c478bd9Sstevel@tonic-gate resp->data_val = NULL; 33077c478bd9Sstevel@tonic-gate resp->data_len = 0; 33087c478bd9Sstevel@tonic-gate } 33097c478bd9Sstevel@tonic-gate } 33107c478bd9Sstevel@tonic-gate 33117c478bd9Sstevel@tonic-gate static void 33120a701b1eSRobert Gordon rfs4_op_readdir_free(nfs_resop4 * resop) 33137c478bd9Sstevel@tonic-gate { 33140a701b1eSRobert Gordon READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 33157c478bd9Sstevel@tonic-gate 33167c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 33177c478bd9Sstevel@tonic-gate freeb(resp->mblk); 33187c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33197c478bd9Sstevel@tonic-gate resp->data_len = 0; 33207c478bd9Sstevel@tonic-gate } 33217c478bd9Sstevel@tonic-gate } 33227c478bd9Sstevel@tonic-gate 33237c478bd9Sstevel@tonic-gate 33247c478bd9Sstevel@tonic-gate /* ARGSUSED */ 33257c478bd9Sstevel@tonic-gate static void 33267c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 33270a701b1eSRobert Gordon struct compound_state *cs) 33287c478bd9Sstevel@tonic-gate { 33290a701b1eSRobert Gordon PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 33300a701b1eSRobert Gordon int error; 33310a701b1eSRobert Gordon vnode_t *vp; 33327c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 33330a701b1eSRobert Gordon nfs_fh4_fmt_t *fh_fmtp; 33347c478bd9Sstevel@tonic-gate 3335f3b585ceSsamf DTRACE_NFSV4_1(op__putpubfh__start, struct compound_state *, cs); 3336f3b585ceSsamf 33377c478bd9Sstevel@tonic-gate if (cs->vp) { 33387c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 33397c478bd9Sstevel@tonic-gate cs->vp = NULL; 33407c478bd9Sstevel@tonic-gate } 33417c478bd9Sstevel@tonic-gate 33427c478bd9Sstevel@tonic-gate if (cs->cr) 33437c478bd9Sstevel@tonic-gate crfree(cs->cr); 33447c478bd9Sstevel@tonic-gate 33457c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 33467c478bd9Sstevel@tonic-gate 33477c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 33487c478bd9Sstevel@tonic-gate if (vp == NULL) { 33497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3350f3b585ceSsamf goto out; 33517c478bd9Sstevel@tonic-gate } 33527c478bd9Sstevel@tonic-gate 33537c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 33547c478bd9Sstevel@tonic-gate if (error != 0) { 33557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3356f3b585ceSsamf goto out; 33577c478bd9Sstevel@tonic-gate } 33587c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 33597c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 33607c478bd9Sstevel@tonic-gate /* 33617c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 33627c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 33637c478bd9Sstevel@tonic-gate * is exported. 33647c478bd9Sstevel@tonic-gate */ 33657c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 33667c478bd9Sstevel@tonic-gate 33677c478bd9Sstevel@tonic-gate /* 33687c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 33697c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 33707c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 33717c478bd9Sstevel@tonic-gate */ 33727c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 33731b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 33747c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 33757c478bd9Sstevel@tonic-gate } else { 33767c478bd9Sstevel@tonic-gate /* 33777c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 33787c478bd9Sstevel@tonic-gate */ 33797c478bd9Sstevel@tonic-gate cs->exi = exi_public; 33807c478bd9Sstevel@tonic-gate } 33817c478bd9Sstevel@tonic-gate 3382bd6f1640SJarrett Lu if (is_system_labeled()) { 3383bd6f1640SJarrett Lu bslabel_t *clabel; 3384bd6f1640SJarrett Lu 3385bd6f1640SJarrett Lu ASSERT(req->rq_label != NULL); 3386bd6f1640SJarrett Lu clabel = req->rq_label; 3387bd6f1640SJarrett Lu DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 3388bd6f1640SJarrett Lu "got client label from request(1)", 3389bd6f1640SJarrett Lu struct svc_req *, req); 3390bd6f1640SJarrett Lu if (!blequal(&l_admin_low->tsl_label, clabel)) { 3391bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 3392bd6f1640SJarrett Lu cs->exi)) { 3393bd6f1640SJarrett Lu *cs->statusp = resp->status = 3394bd6f1640SJarrett Lu NFS4ERR_SERVERFAULT; 3395bd6f1640SJarrett Lu goto out; 3396bd6f1640SJarrett Lu } 3397bd6f1640SJarrett Lu } 3398bd6f1640SJarrett Lu } 3399bd6f1640SJarrett Lu 34007c478bd9Sstevel@tonic-gate VN_HOLD(vp); 34017c478bd9Sstevel@tonic-gate cs->vp = vp; 34027c478bd9Sstevel@tonic-gate 34037c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34047c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34057c478bd9Sstevel@tonic-gate cs->vp = NULL; 34067c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3407f3b585ceSsamf goto out; 34087c478bd9Sstevel@tonic-gate } 34097c478bd9Sstevel@tonic-gate 34107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3411f3b585ceSsamf out: 3412f3b585ceSsamf DTRACE_NFSV4_2(op__putpubfh__done, struct compound_state *, cs, 3413f3b585ceSsamf PUTPUBFH4res *, resp); 34147c478bd9Sstevel@tonic-gate } 34157c478bd9Sstevel@tonic-gate 34167c478bd9Sstevel@tonic-gate /* 34177c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 34187c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 34197c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 34207c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 34217c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 34227c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 34237c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 34247c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 34257c478bd9Sstevel@tonic-gate * know what the anonymous user is. 34267c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 34277c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 34287c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 34297c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 34307c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 34317c478bd9Sstevel@tonic-gate */ 34327c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34337c478bd9Sstevel@tonic-gate static void 34347c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3435*d216dff5SRobert Mastors struct compound_state *cs) 34367c478bd9Sstevel@tonic-gate { 34377c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 34387c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 34397c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 34407c478bd9Sstevel@tonic-gate 3441f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__start, struct compound_state *, cs, 3442f3b585ceSsamf PUTFH4args *, args); 3443f3b585ceSsamf 34447c478bd9Sstevel@tonic-gate if (cs->vp) { 34457c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34467c478bd9Sstevel@tonic-gate cs->vp = NULL; 34477c478bd9Sstevel@tonic-gate } 34487c478bd9Sstevel@tonic-gate 34497c478bd9Sstevel@tonic-gate if (cs->cr) { 34507c478bd9Sstevel@tonic-gate crfree(cs->cr); 34517c478bd9Sstevel@tonic-gate cs->cr = NULL; 34527c478bd9Sstevel@tonic-gate } 34537c478bd9Sstevel@tonic-gate 34547c478bd9Sstevel@tonic-gate 34557c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 34567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 3457f3b585ceSsamf goto out; 34587c478bd9Sstevel@tonic-gate } 34597c478bd9Sstevel@tonic-gate 34607c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 34617c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 34621b300de9Sjwahlig NULL); 34637c478bd9Sstevel@tonic-gate 34647c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 34657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 3466f3b585ceSsamf goto out; 34677c478bd9Sstevel@tonic-gate } 34687c478bd9Sstevel@tonic-gate 34697c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 34707c478bd9Sstevel@tonic-gate 34717c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 34727c478bd9Sstevel@tonic-gate 34737c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 34747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 3475f3b585ceSsamf goto out; 34767c478bd9Sstevel@tonic-gate } 34777c478bd9Sstevel@tonic-gate 34787c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34797c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34807c478bd9Sstevel@tonic-gate cs->vp = NULL; 3481f3b585ceSsamf goto out; 34827c478bd9Sstevel@tonic-gate } 34837c478bd9Sstevel@tonic-gate 34847c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 34857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 34867c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3487f3b585ceSsamf 3488f3b585ceSsamf out: 3489f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__done, struct compound_state *, cs, 3490f3b585ceSsamf PUTFH4res *, resp); 34917c478bd9Sstevel@tonic-gate } 34927c478bd9Sstevel@tonic-gate 34937c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34947c478bd9Sstevel@tonic-gate static void 34957c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3496*d216dff5SRobert Mastors struct compound_state *cs) 34977c478bd9Sstevel@tonic-gate { 34987c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 34997c478bd9Sstevel@tonic-gate int error; 35007c478bd9Sstevel@tonic-gate fid_t fid; 35017c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 35027c478bd9Sstevel@tonic-gate 3503f3b585ceSsamf DTRACE_NFSV4_1(op__putrootfh__start, struct compound_state *, cs); 3504f3b585ceSsamf 35057c478bd9Sstevel@tonic-gate if (cs->vp) { 35067c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35077c478bd9Sstevel@tonic-gate cs->vp = NULL; 35087c478bd9Sstevel@tonic-gate } 35097c478bd9Sstevel@tonic-gate 35107c478bd9Sstevel@tonic-gate if (cs->cr) 35117c478bd9Sstevel@tonic-gate crfree(cs->cr); 35127c478bd9Sstevel@tonic-gate 35137c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35147c478bd9Sstevel@tonic-gate 35157c478bd9Sstevel@tonic-gate /* 35167c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 35177c478bd9Sstevel@tonic-gate * get its fid. 35187c478bd9Sstevel@tonic-gate */ 35197c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 35207c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 35217c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 35227c478bd9Sstevel@tonic-gate if (error != 0) { 35237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3524f3b585ceSsamf goto out; 35257c478bd9Sstevel@tonic-gate } 35267c478bd9Sstevel@tonic-gate 35277c478bd9Sstevel@tonic-gate /* 35287c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 35297c478bd9Sstevel@tonic-gate * 35307c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 35317c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 35327c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 35337c478bd9Sstevel@tonic-gate * file tree. 35347c478bd9Sstevel@tonic-gate */ 35357c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 35367c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 35377c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 3538*d216dff5SRobert Mastors (CE_WARN, "rfs4_op_putrootfh: export check failure")); 35397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3540f3b585ceSsamf goto out; 35417c478bd9Sstevel@tonic-gate } 35427c478bd9Sstevel@tonic-gate 35437c478bd9Sstevel@tonic-gate /* 35447c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 35457c478bd9Sstevel@tonic-gate * export and root vnode. 35467c478bd9Sstevel@tonic-gate */ 35477c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 35487c478bd9Sstevel@tonic-gate if (error != 0) { 35497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3550f3b585ceSsamf goto out; 35517c478bd9Sstevel@tonic-gate } 35527c478bd9Sstevel@tonic-gate 35537c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 35547c478bd9Sstevel@tonic-gate cs->exi = exi; 35557c478bd9Sstevel@tonic-gate 35567c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 35577c478bd9Sstevel@tonic-gate cs->vp = rootdir; 35587c478bd9Sstevel@tonic-gate 35597c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35607c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 35617c478bd9Sstevel@tonic-gate cs->vp = NULL; 35627c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3563f3b585ceSsamf goto out; 35647c478bd9Sstevel@tonic-gate } 35657c478bd9Sstevel@tonic-gate 35667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35677c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3568f3b585ceSsamf out: 3569f3b585ceSsamf DTRACE_NFSV4_2(op__putrootfh__done, struct compound_state *, cs, 3570f3b585ceSsamf PUTROOTFH4res *, resp); 35717c478bd9Sstevel@tonic-gate } 35727c478bd9Sstevel@tonic-gate 35737c478bd9Sstevel@tonic-gate /* 35747c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 35757c478bd9Sstevel@tonic-gate * - it has a non-zero ino 35767c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 35777c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 35787c478bd9Sstevel@tonic-gate * only have a limited view. 35797c478bd9Sstevel@tonic-gate */ 35807c478bd9Sstevel@tonic-gate static bool_t 35817c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 3582*d216dff5SRobert Mastors int *expseudo, int check_visible) 35837c478bd9Sstevel@tonic-gate { 35847c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 35857c478bd9Sstevel@tonic-gate *expseudo = 0; 35867c478bd9Sstevel@tonic-gate return (FALSE); 35877c478bd9Sstevel@tonic-gate } 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate if (! check_visible) { 35907c478bd9Sstevel@tonic-gate *expseudo = 0; 35917c478bd9Sstevel@tonic-gate return (TRUE); 35927c478bd9Sstevel@tonic-gate } 35937c478bd9Sstevel@tonic-gate 35947c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 35957c478bd9Sstevel@tonic-gate } 35967c478bd9Sstevel@tonic-gate 35977c478bd9Sstevel@tonic-gate /* 35987c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 35997c478bd9Sstevel@tonic-gate * to get for each directory entry. 36007c478bd9Sstevel@tonic-gate */ 36017c478bd9Sstevel@tonic-gate static nfsstat4 36027c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 3603*d216dff5SRobert Mastors bitmap4 attrs, bool_t *need_to_lookup) 36047c478bd9Sstevel@tonic-gate { 36057c478bd9Sstevel@tonic-gate uint_t va_mask; 36067c478bd9Sstevel@tonic-gate nfsstat4 status; 36077c478bd9Sstevel@tonic-gate bitmap4 objbits; 36087c478bd9Sstevel@tonic-gate 36097c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 36107c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 36117c478bd9Sstevel@tonic-gate /* 36127c478bd9Sstevel@tonic-gate * could not even figure attr mask 36137c478bd9Sstevel@tonic-gate */ 36147c478bd9Sstevel@tonic-gate return (status); 36157c478bd9Sstevel@tonic-gate } 36167c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 36177c478bd9Sstevel@tonic-gate 36187c478bd9Sstevel@tonic-gate /* 36197c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 36207c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 36217c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 36227c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 36237c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 36247c478bd9Sstevel@tonic-gate */ 36257c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate /* 36287c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 36297c478bd9Sstevel@tonic-gate * a) vattr attrs 36307c478bd9Sstevel@tonic-gate * b) vfs attrs 36317c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 36327c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 36337c478bd9Sstevel@tonic-gate */ 36347c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 36357c478bd9Sstevel@tonic-gate 36367c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 36377c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 36387c478bd9Sstevel@tonic-gate else 36397c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36407c478bd9Sstevel@tonic-gate 36417c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 36427c478bd9Sstevel@tonic-gate return (NFS4_OK); 36437c478bd9Sstevel@tonic-gate 36447c478bd9Sstevel@tonic-gate /* 36457c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 36467c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 36477c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 36487c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 36497c478bd9Sstevel@tonic-gate */ 36507c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 36517c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 36527c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 36537c478bd9Sstevel@tonic-gate 36547c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 36557c478bd9Sstevel@tonic-gate /* 36567c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 36577c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 36587c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 36597c478bd9Sstevel@tonic-gate */ 36607c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 36617c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36627c478bd9Sstevel@tonic-gate /* 36637c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 36647c478bd9Sstevel@tonic-gate */ 36657c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 36667c478bd9Sstevel@tonic-gate status = NFS4_OK; 36677c478bd9Sstevel@tonic-gate } 36687c478bd9Sstevel@tonic-gate 36697c478bd9Sstevel@tonic-gate return (status); 36707c478bd9Sstevel@tonic-gate } 36717c478bd9Sstevel@tonic-gate 36727c478bd9Sstevel@tonic-gate /* 36737c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 36747c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 36757c478bd9Sstevel@tonic-gate */ 36767c478bd9Sstevel@tonic-gate 36777c478bd9Sstevel@tonic-gate /* ARGSUSED */ 36787c478bd9Sstevel@tonic-gate static void 36797c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3680*d216dff5SRobert Mastors struct compound_state *cs) 36817c478bd9Sstevel@tonic-gate { 36827c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 36837c478bd9Sstevel@tonic-gate int error; 36847c478bd9Sstevel@tonic-gate vnode_t *vp; 36857c478bd9Sstevel@tonic-gate struct iovec iov; 36867c478bd9Sstevel@tonic-gate struct vattr va; 36877c478bd9Sstevel@tonic-gate struct uio uio; 36887c478bd9Sstevel@tonic-gate char *data; 3689b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3690b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 36917c478bd9Sstevel@tonic-gate 3692f3b585ceSsamf DTRACE_NFSV4_1(op__readlink__start, struct compound_state *, cs); 3693f3b585ceSsamf 36947c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 36957c478bd9Sstevel@tonic-gate vp = cs->vp; 36967c478bd9Sstevel@tonic-gate if (vp == NULL) { 36977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3698f3b585ceSsamf goto out; 36997c478bd9Sstevel@tonic-gate } 37007c478bd9Sstevel@tonic-gate 37017c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3703f3b585ceSsamf goto out; 37047c478bd9Sstevel@tonic-gate } 37057c478bd9Sstevel@tonic-gate 37067c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 37077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 3708f3b585ceSsamf goto out; 37097c478bd9Sstevel@tonic-gate } 37107c478bd9Sstevel@tonic-gate 37117c478bd9Sstevel@tonic-gate if (vp->v_type != VLNK) { 37127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 3713f3b585ceSsamf goto out; 37147c478bd9Sstevel@tonic-gate } 37157c478bd9Sstevel@tonic-gate 37167c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3717da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 37187c478bd9Sstevel@tonic-gate if (error) { 37197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3720f3b585ceSsamf goto out; 37217c478bd9Sstevel@tonic-gate } 37227c478bd9Sstevel@tonic-gate 37237c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 37247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3725f3b585ceSsamf goto out; 37267c478bd9Sstevel@tonic-gate } 37277c478bd9Sstevel@tonic-gate 37287c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 37297c478bd9Sstevel@tonic-gate 37307c478bd9Sstevel@tonic-gate iov.iov_base = data; 37317c478bd9Sstevel@tonic-gate iov.iov_len = MAXPATHLEN; 37327c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 37337c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 37347c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 37357c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 37367c478bd9Sstevel@tonic-gate uio.uio_loffset = 0; 37377c478bd9Sstevel@tonic-gate uio.uio_resid = MAXPATHLEN; 37387c478bd9Sstevel@tonic-gate 3739da6c28aaSamw error = VOP_READLINK(vp, &uio, cs->cr, NULL); 37407c478bd9Sstevel@tonic-gate 37417c478bd9Sstevel@tonic-gate if (error) { 37427c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 37437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3744f3b585ceSsamf goto out; 37457c478bd9Sstevel@tonic-gate } 37467c478bd9Sstevel@tonic-gate 37477c478bd9Sstevel@tonic-gate *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 37487c478bd9Sstevel@tonic-gate 3749b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 3750b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, data, NFSCMD_CONV_OUTBOUND, 3751b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 3752b89a8333Snatalie li - Sun Microsystems - Irvine United States 3753b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 3754b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 3755b89a8333Snatalie li - Sun Microsystems - Irvine United States * Even though the conversion failed, we return 3756b89a8333Snatalie li - Sun Microsystems - Irvine United States * something. We just don't translate it. 3757b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 3758b89a8333Snatalie li - Sun Microsystems - Irvine United States name = data; 3759b89a8333Snatalie li - Sun Microsystems - Irvine United States } 3760b89a8333Snatalie li - Sun Microsystems - Irvine United States 37617c478bd9Sstevel@tonic-gate /* 37627c478bd9Sstevel@tonic-gate * treat link name as data 37637c478bd9Sstevel@tonic-gate */ 3764b89a8333Snatalie li - Sun Microsystems - Irvine United States (void) str_to_utf8(name, &resp->link); 37657c478bd9Sstevel@tonic-gate 3766b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != data) 3767b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 37687c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 37697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3770f3b585ceSsamf 3771f3b585ceSsamf out: 3772f3b585ceSsamf DTRACE_NFSV4_2(op__readlink__done, struct compound_state *, cs, 3773f3b585ceSsamf READLINK4res *, resp); 37747c478bd9Sstevel@tonic-gate } 37757c478bd9Sstevel@tonic-gate 37767c478bd9Sstevel@tonic-gate static void 37777c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 37787c478bd9Sstevel@tonic-gate { 37797c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 37807c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 37817c478bd9Sstevel@tonic-gate 37827c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 37837c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 37847c478bd9Sstevel@tonic-gate } 37857c478bd9Sstevel@tonic-gate } 37867c478bd9Sstevel@tonic-gate 37877c478bd9Sstevel@tonic-gate /* 37887c478bd9Sstevel@tonic-gate * release_lockowner: 37897c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 37907c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 37917c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 37927c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 37937c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 37947c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 37957c478bd9Sstevel@tonic-gate * args: lock_owner 37967c478bd9Sstevel@tonic-gate * res: status 37977c478bd9Sstevel@tonic-gate */ 37987c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37997c478bd9Sstevel@tonic-gate static void 38007c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 3801*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 38027c478bd9Sstevel@tonic-gate { 38037c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 38047c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 38057c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 3806*d216dff5SRobert Mastors rfs4_openowner_t *oo; 38077c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 38087c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 38097c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 38107c478bd9Sstevel@tonic-gate bool_t create = FALSE; 38117c478bd9Sstevel@tonic-gate locklist_t *llist; 38127c478bd9Sstevel@tonic-gate sysid_t sysid; 38137c478bd9Sstevel@tonic-gate 3814f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__start, struct compound_state *, 3815f3b585ceSsamf cs, RELEASE_LOCKOWNER4args *, ap); 3816f3b585ceSsamf 38177c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 38187c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 38197c478bd9Sstevel@tonic-gate 38207c478bd9Sstevel@tonic-gate if (cp == NULL) { 38217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 38221b300de9Sjwahlig rfs4_check_clientid(&ap->lock_owner.clientid, 0); 3823f3b585ceSsamf goto out; 38247c478bd9Sstevel@tonic-gate } 38257c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 38267c478bd9Sstevel@tonic-gate 38277c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 38287c478bd9Sstevel@tonic-gate if (lo == NULL) { 38297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3830f3b585ceSsamf goto out; 38317c478bd9Sstevel@tonic-gate } 3832*d216dff5SRobert Mastors ASSERT(lo->rl_client != NULL); 38337c478bd9Sstevel@tonic-gate 38347c478bd9Sstevel@tonic-gate /* 38357c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 38367c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 38377c478bd9Sstevel@tonic-gate */ 3838*d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 38397c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 38407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 3841f3b585ceSsamf goto out; 38427c478bd9Sstevel@tonic-gate } 38437c478bd9Sstevel@tonic-gate 38447c478bd9Sstevel@tonic-gate /* 38457c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 38467c478bd9Sstevel@tonic-gate */ 3847*d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3848*d216dff5SRobert Mastors if (lo->rl_client->rc_sysidt == LM_NOSYSID) { 38497c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3850*d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 3851f3b585ceSsamf goto out; 38527c478bd9Sstevel@tonic-gate } 38537c478bd9Sstevel@tonic-gate 3854*d216dff5SRobert Mastors sysid = lo->rl_client->rc_sysidt; 3855*d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 38567c478bd9Sstevel@tonic-gate 38577c478bd9Sstevel@tonic-gate /* 38587c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 38597c478bd9Sstevel@tonic-gate */ 3860*d216dff5SRobert Mastors rfs4_dbe_hide(lo->rl_dbe); 38617c478bd9Sstevel@tonic-gate 38627c478bd9Sstevel@tonic-gate /* 38637c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 38647c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 38657c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 38667c478bd9Sstevel@tonic-gate * current locks. 38677c478bd9Sstevel@tonic-gate */ 38687c478bd9Sstevel@tonic-gate 3869*d216dff5SRobert Mastors llist = flk_get_active_locks(sysid, lo->rl_pid); 38707c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 38717c478bd9Sstevel@tonic-gate if (llist != NULL) { 38727c478bd9Sstevel@tonic-gate 38737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 38747c478bd9Sstevel@tonic-gate 38757c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 38767c478bd9Sstevel@tonic-gate /* 38777c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 38787c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 38797c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 38807c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 38817c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 38827c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 38837c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 38847c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 38857c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 38867c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 38877c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 38887c478bd9Sstevel@tonic-gate * reissuing the request. 38897c478bd9Sstevel@tonic-gate */ 3890*d216dff5SRobert Mastors rfs4_dbe_unhide(lo->rl_dbe); 38917c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3892f3b585ceSsamf goto out; 38937c478bd9Sstevel@tonic-gate } 38947c478bd9Sstevel@tonic-gate 38957c478bd9Sstevel@tonic-gate /* 38967c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 38977c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 38987c478bd9Sstevel@tonic-gate * with this lockowner. 38997c478bd9Sstevel@tonic-gate */ 39007c478bd9Sstevel@tonic-gate 3901*d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3902*d216dff5SRobert Mastors for (oo = list_head(&lo->rl_client->rc_openownerlist); oo != NULL; 3903*d216dff5SRobert Mastors oo = list_next(&lo->rl_client->rc_openownerlist, oo)) { 39047c478bd9Sstevel@tonic-gate 3905*d216dff5SRobert Mastors rfs4_dbe_lock(oo->ro_dbe); 3906*d216dff5SRobert Mastors for (sp = list_head(&oo->ro_statelist); sp != NULL; 3907*d216dff5SRobert Mastors sp = list_next(&oo->ro_statelist, sp)) { 39087c478bd9Sstevel@tonic-gate 3909*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 3910*d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); 3911*d216dff5SRobert Mastors lsp != NULL; 3912*d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 3913*d216dff5SRobert Mastors if (lsp->rls_locker == lo) { 3914*d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 3915*d216dff5SRobert Mastors rfs4_dbe_invalidate(lsp->rls_dbe); 3916*d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 39177c478bd9Sstevel@tonic-gate } 39187c478bd9Sstevel@tonic-gate } 3919*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 39207c478bd9Sstevel@tonic-gate } 3921*d216dff5SRobert Mastors rfs4_dbe_unlock(oo->ro_dbe); 39227c478bd9Sstevel@tonic-gate } 3923*d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 39247c478bd9Sstevel@tonic-gate 39257c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39267c478bd9Sstevel@tonic-gate 39277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3928f3b585ceSsamf 3929f3b585ceSsamf out: 3930f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__done, struct compound_state *, 3931f3b585ceSsamf cs, RELEASE_LOCKOWNER4res *, resp); 39327c478bd9Sstevel@tonic-gate } 39337c478bd9Sstevel@tonic-gate 39347c478bd9Sstevel@tonic-gate /* 39357c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 39367c478bd9Sstevel@tonic-gate */ 39377c478bd9Sstevel@tonic-gate static rfs4_file_t * 39387c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 3939*d216dff5SRobert Mastors int *lkup_error, cred_t *cr) 39407c478bd9Sstevel@tonic-gate { 39417c478bd9Sstevel@tonic-gate vnode_t *vp; 39427c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 39437c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 39447c478bd9Sstevel@tonic-gate int error; 39457c478bd9Sstevel@tonic-gate 39467c478bd9Sstevel@tonic-gate if (vpp) 39477c478bd9Sstevel@tonic-gate *vpp = NULL; 39487c478bd9Sstevel@tonic-gate 3949da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 3950da6c28aaSamw NULL)) == 0) { 39517c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 39527c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 39537c478bd9Sstevel@tonic-gate if (vpp) 39547c478bd9Sstevel@tonic-gate *vpp = vp; 39557c478bd9Sstevel@tonic-gate else 39567c478bd9Sstevel@tonic-gate VN_RELE(vp); 39577c478bd9Sstevel@tonic-gate } 39587c478bd9Sstevel@tonic-gate 39597c478bd9Sstevel@tonic-gate if (lkup_error) 39607c478bd9Sstevel@tonic-gate *lkup_error = error; 39617c478bd9Sstevel@tonic-gate 39627c478bd9Sstevel@tonic-gate return (fp); 39637c478bd9Sstevel@tonic-gate } 39647c478bd9Sstevel@tonic-gate 39657c478bd9Sstevel@tonic-gate /* 39667c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 39677c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 39687c478bd9Sstevel@tonic-gate * for directory. 39697c478bd9Sstevel@tonic-gate */ 39707c478bd9Sstevel@tonic-gate /* ARGSUSED */ 39717c478bd9Sstevel@tonic-gate static void 39727c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 3973*d216dff5SRobert Mastors struct compound_state *cs) 39747c478bd9Sstevel@tonic-gate { 39757c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 39767c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 39777c478bd9Sstevel@tonic-gate int error; 39787c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 39797c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 39807c478bd9Sstevel@tonic-gate char *nm; 39817c478bd9Sstevel@tonic-gate uint_t len; 39827c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 39837c478bd9Sstevel@tonic-gate int in_crit = 0; 398445916cd2Sjpk bslabel_t *clabel; 3985b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3986b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 39877c478bd9Sstevel@tonic-gate 3988f3b585ceSsamf DTRACE_NFSV4_2(op__remove__start, struct compound_state *, cs, 3989f3b585ceSsamf REMOVE4args *, args); 3990f3b585ceSsamf 39917c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 39927c478bd9Sstevel@tonic-gate dvp = cs->vp; 39937c478bd9Sstevel@tonic-gate if (dvp == NULL) { 39947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3995f3b585ceSsamf goto out; 39967c478bd9Sstevel@tonic-gate } 39977c478bd9Sstevel@tonic-gate 39987c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 39997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4000f3b585ceSsamf goto out; 40017c478bd9Sstevel@tonic-gate } 40027c478bd9Sstevel@tonic-gate 40037c478bd9Sstevel@tonic-gate /* 40047c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40057c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 40067c478bd9Sstevel@tonic-gate */ 40077c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 40087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4009f3b585ceSsamf goto out; 40107c478bd9Sstevel@tonic-gate } 40117c478bd9Sstevel@tonic-gate 40127c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 40137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4014f3b585ceSsamf goto out; 40157c478bd9Sstevel@tonic-gate } 40167c478bd9Sstevel@tonic-gate 40177c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->target)) { 40187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4019f3b585ceSsamf goto out; 40207c478bd9Sstevel@tonic-gate } 40217c478bd9Sstevel@tonic-gate 40227c478bd9Sstevel@tonic-gate /* 40237c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 40247c478bd9Sstevel@tonic-gate */ 40257c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 40267c478bd9Sstevel@tonic-gate if (nm == NULL) { 40277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4028f3b585ceSsamf goto out; 40297c478bd9Sstevel@tonic-gate } 40307c478bd9Sstevel@tonic-gate 40317c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 40327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 40337c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4034f3b585ceSsamf goto out; 40357c478bd9Sstevel@tonic-gate } 40367c478bd9Sstevel@tonic-gate 40377c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 40387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 40397c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4040f3b585ceSsamf goto out; 40417c478bd9Sstevel@tonic-gate } 40427c478bd9Sstevel@tonic-gate 4043b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 4044b89a8333Snatalie li - Sun Microsystems - Irvine United States 4045b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4046b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 4047b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4048b89a8333Snatalie li - Sun Microsystems - Irvine United States 4049b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 4050b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4051b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 4052b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4053b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4054b89a8333Snatalie li - Sun Microsystems - Irvine United States 40557c478bd9Sstevel@tonic-gate /* 40567c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 40577c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 40587c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 40597c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 40607c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 40617c478bd9Sstevel@tonic-gate */ 4062b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr)) { 40637c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 40641b300de9Sjwahlig NULL)) { 40657c478bd9Sstevel@tonic-gate VN_RELE(vp); 40667c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 40677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 4068b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4069b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 40707c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4071f3b585ceSsamf goto out; 40727c478bd9Sstevel@tonic-gate } 40737c478bd9Sstevel@tonic-gate } 40747c478bd9Sstevel@tonic-gate 40757c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 40767c478bd9Sstevel@tonic-gate if (vp == NULL) { 40777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 4078b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4079b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 40807c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4081f3b585ceSsamf goto out; 40827c478bd9Sstevel@tonic-gate } 40837c478bd9Sstevel@tonic-gate 40847c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 40857c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 40867c478bd9Sstevel@tonic-gate in_crit = 1; 4087da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 40887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 4089b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4090b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 40917c478bd9Sstevel@tonic-gate kmem_free(nm, len); 40927c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 40937c478bd9Sstevel@tonic-gate VN_RELE(vp); 40947c478bd9Sstevel@tonic-gate if (fp) { 40957c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 40967c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 40977c478bd9Sstevel@tonic-gate } 4098f3b585ceSsamf goto out; 40997c478bd9Sstevel@tonic-gate } 41007c478bd9Sstevel@tonic-gate } 41017c478bd9Sstevel@tonic-gate 410245916cd2Sjpk /* check label before allowing removal */ 410345916cd2Sjpk if (is_system_labeled()) { 410445916cd2Sjpk ASSERT(req->rq_label != NULL); 410545916cd2Sjpk clabel = req->rq_label; 410645916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 410745916cd2Sjpk "got client label from request(1)", 410845916cd2Sjpk struct svc_req *, req); 410945916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 4110bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, EQUALITY_CHECK, 4111bd6f1640SJarrett Lu cs->exi)) { 411245916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4113b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 4114b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 411545916cd2Sjpk kmem_free(nm, len); 411645916cd2Sjpk if (in_crit) 411745916cd2Sjpk nbl_end_crit(vp); 411845916cd2Sjpk VN_RELE(vp); 411945916cd2Sjpk if (fp) { 412045916cd2Sjpk rfs4_clear_dont_grant(fp); 412145916cd2Sjpk rfs4_file_rele(fp); 412245916cd2Sjpk } 4123f3b585ceSsamf goto out; 412445916cd2Sjpk } 412545916cd2Sjpk } 412645916cd2Sjpk } 412745916cd2Sjpk 41287c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 41297c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 4130da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 41317c478bd9Sstevel@tonic-gate if (error) { 41327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4133b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4134b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41357c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4136a08f57bcSJames Wahlig if (in_crit) 4137a08f57bcSJames Wahlig nbl_end_crit(vp); 4138a08f57bcSJames Wahlig VN_RELE(vp); 4139a08f57bcSJames Wahlig if (fp) { 4140a08f57bcSJames Wahlig rfs4_clear_dont_grant(fp); 4141a08f57bcSJames Wahlig rfs4_file_rele(fp); 4142a08f57bcSJames Wahlig } 4143f3b585ceSsamf goto out; 41447c478bd9Sstevel@tonic-gate } 41457c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 41467c478bd9Sstevel@tonic-gate 41477c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 41487c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 41497c478bd9Sstevel@tonic-gate /* 41507c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 41517c478bd9Sstevel@tonic-gate */ 41527c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 41537c478bd9Sstevel@tonic-gate error = EACCES; 41547c478bd9Sstevel@tonic-gate } else { 41557c478bd9Sstevel@tonic-gate /* 41567c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 41577c478bd9Sstevel@tonic-gate * not * ENOTEMPTY, if the directory is not 41587c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 41597c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 41607c478bd9Sstevel@tonic-gate * transmit over the wire. 41617c478bd9Sstevel@tonic-gate */ 4162da6c28aaSamw if ((error = VOP_RMDIR(dvp, nm, rootdir, cs->cr, 4163da6c28aaSamw NULL, 0)) == EEXIST) 41647c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 41657c478bd9Sstevel@tonic-gate } 41667c478bd9Sstevel@tonic-gate } else { 4167b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_REMOVE(dvp, name, cs->cr, NULL, 0)) == 0 && 41681b300de9Sjwahlig fp != NULL) { 41697c478bd9Sstevel@tonic-gate struct vattr va; 4170418d27f3Sshepler vnode_t *tvp; 41717c478bd9Sstevel@tonic-gate 4172*d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4173*d216dff5SRobert Mastors tvp = fp->rf_vp; 4174418d27f3Sshepler if (tvp) 4175418d27f3Sshepler VN_HOLD(tvp); 4176*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4177418d27f3Sshepler 4178418d27f3Sshepler if (tvp) { 4179418d27f3Sshepler /* 4180418d27f3Sshepler * This is va_seq safe because we are not 4181418d27f3Sshepler * manipulating dvp. 4182418d27f3Sshepler */ 4183418d27f3Sshepler va.va_mask = AT_NLINK; 4184da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 41851b300de9Sjwahlig va.va_nlink == 0) { 4186418d27f3Sshepler /* Remove state on file remove */ 4187418d27f3Sshepler if (in_crit) { 4188418d27f3Sshepler nbl_end_crit(vp); 4189418d27f3Sshepler in_crit = 0; 4190418d27f3Sshepler } 4191418d27f3Sshepler rfs4_close_all_state(fp); 41927c478bd9Sstevel@tonic-gate } 4193418d27f3Sshepler VN_RELE(tvp); 41947c478bd9Sstevel@tonic-gate } 41957c478bd9Sstevel@tonic-gate } 41967c478bd9Sstevel@tonic-gate } 41977c478bd9Sstevel@tonic-gate 41987c478bd9Sstevel@tonic-gate if (in_crit) 41997c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 42007c478bd9Sstevel@tonic-gate VN_RELE(vp); 42017c478bd9Sstevel@tonic-gate 42027c478bd9Sstevel@tonic-gate if (fp) { 42037c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42047c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42057c478bd9Sstevel@tonic-gate } 4206b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4207b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42087c478bd9Sstevel@tonic-gate kmem_free(nm, len); 42097c478bd9Sstevel@tonic-gate 42107c478bd9Sstevel@tonic-gate if (error) { 42117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4212f3b585ceSsamf goto out; 42137c478bd9Sstevel@tonic-gate } 42147c478bd9Sstevel@tonic-gate 42157c478bd9Sstevel@tonic-gate /* 42167c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 42177c478bd9Sstevel@tonic-gate */ 42187c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 4219da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 42207c478bd9Sstevel@tonic-gate idva.va_seq = 0; 42217c478bd9Sstevel@tonic-gate 42227c478bd9Sstevel@tonic-gate /* 42237c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 42247c478bd9Sstevel@tonic-gate */ 4225da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 42267c478bd9Sstevel@tonic-gate 42277c478bd9Sstevel@tonic-gate /* 42287c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 42297c478bd9Sstevel@tonic-gate * before value. 42307c478bd9Sstevel@tonic-gate */ 42317c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 4232da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 42337c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 42347c478bd9Sstevel@tonic-gate adva.va_seq = 0; 42357c478bd9Sstevel@tonic-gate } 42367c478bd9Sstevel@tonic-gate 42377c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 42387c478bd9Sstevel@tonic-gate 42397c478bd9Sstevel@tonic-gate /* 42407c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 42417c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 42427c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 42437c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 42447c478bd9Sstevel@tonic-gate */ 42457c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 42461b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 42477c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 42487c478bd9Sstevel@tonic-gate else 42497c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 42507c478bd9Sstevel@tonic-gate 42517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4252f3b585ceSsamf 4253f3b585ceSsamf out: 4254f3b585ceSsamf DTRACE_NFSV4_2(op__remove__done, struct compound_state *, cs, 4255f3b585ceSsamf REMOVE4res *, resp); 42567c478bd9Sstevel@tonic-gate } 42577c478bd9Sstevel@tonic-gate 42587c478bd9Sstevel@tonic-gate /* 42597c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 42607c478bd9Sstevel@tonic-gate * oldname and newname. 42617c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 42627c478bd9Sstevel@tonic-gate * for both from and target directories. 42637c478bd9Sstevel@tonic-gate */ 42647c478bd9Sstevel@tonic-gate /* ARGSUSED */ 42657c478bd9Sstevel@tonic-gate static void 42667c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4267*d216dff5SRobert Mastors struct compound_state *cs) 42687c478bd9Sstevel@tonic-gate { 42697c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 42707c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 42717c478bd9Sstevel@tonic-gate int error; 42727c478bd9Sstevel@tonic-gate vnode_t *odvp; 42737c478bd9Sstevel@tonic-gate vnode_t *ndvp; 42747c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 42757c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 42767c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 42777c478bd9Sstevel@tonic-gate char *onm, *nnm; 42787c478bd9Sstevel@tonic-gate uint_t olen, nlen; 42797c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 42807c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 42817c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 428245916cd2Sjpk bslabel_t *clabel; 4283b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4284b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_onm = NULL; 4285b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_nnm = NULL; 42867c478bd9Sstevel@tonic-gate 4287f3b585ceSsamf DTRACE_NFSV4_2(op__rename__start, struct compound_state *, cs, 4288f3b585ceSsamf RENAME4args *, args); 4289f3b585ceSsamf 42907c478bd9Sstevel@tonic-gate fp = sfp = NULL; 42917c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 42927c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 42937c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 42947c478bd9Sstevel@tonic-gate 42957c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 42967c478bd9Sstevel@tonic-gate ndvp = cs->vp; 42977c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 42987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4299f3b585ceSsamf goto out; 43007c478bd9Sstevel@tonic-gate } 43017c478bd9Sstevel@tonic-gate 43027c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 43037c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 43047c478bd9Sstevel@tonic-gate if (odvp == NULL) { 43057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4306f3b585ceSsamf goto out; 43077c478bd9Sstevel@tonic-gate } 43087c478bd9Sstevel@tonic-gate 43097c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 43107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4311f3b585ceSsamf goto out; 43127c478bd9Sstevel@tonic-gate } 43137c478bd9Sstevel@tonic-gate 43147c478bd9Sstevel@tonic-gate /* 43157c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 43167c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 43177c478bd9Sstevel@tonic-gate */ 43187c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 43197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4320f3b585ceSsamf goto out; 43217c478bd9Sstevel@tonic-gate } 43227c478bd9Sstevel@tonic-gate 43237c478bd9Sstevel@tonic-gate /* 43247c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 43257c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 43267c478bd9Sstevel@tonic-gate */ 43277c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 43287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4329f3b585ceSsamf goto out; 43307c478bd9Sstevel@tonic-gate } 43317c478bd9Sstevel@tonic-gate 43327c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 43337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4334f3b585ceSsamf goto out; 43357c478bd9Sstevel@tonic-gate } 43367c478bd9Sstevel@tonic-gate 43377c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 43387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 4339f3b585ceSsamf goto out; 43407c478bd9Sstevel@tonic-gate } 43417c478bd9Sstevel@tonic-gate 43427c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 43437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4344f3b585ceSsamf goto out; 43457c478bd9Sstevel@tonic-gate } 43467c478bd9Sstevel@tonic-gate 43477c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 43487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4349f3b585ceSsamf goto out; 43507c478bd9Sstevel@tonic-gate } 43517c478bd9Sstevel@tonic-gate 43527c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 43537c478bd9Sstevel@tonic-gate if (onm == NULL) { 43547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4355f3b585ceSsamf goto out; 43567c478bd9Sstevel@tonic-gate } 4357b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4358b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen = MAXPATHLEN + 1; 4359b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_onm = nfscmd_convname(ca, cs->exi, onm, NFSCMD_CONV_INBOUND, 4360b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen); 4361b89a8333Snatalie li - Sun Microsystems - Irvine United States 4362b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm == NULL) { 4363b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4364b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4365b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4366b89a8333Snatalie li - Sun Microsystems - Irvine United States } 43677c478bd9Sstevel@tonic-gate 43687c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 43697c478bd9Sstevel@tonic-gate if (nnm == NULL) { 43707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4371b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4372b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4373b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4374b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4375b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4376b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_nnm = nfscmd_convname(ca, cs->exi, nnm, NFSCMD_CONV_INBOUND, 4377b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4378b89a8333Snatalie li - Sun Microsystems - Irvine United States 4379b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm == NULL) { 4380b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4381b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 4382b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = NULL; 4383b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4384b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 43857c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4386f3b585ceSsamf goto out; 43877c478bd9Sstevel@tonic-gate } 43887c478bd9Sstevel@tonic-gate 4389b89a8333Snatalie li - Sun Microsystems - Irvine United States 43907c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 43917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 43927c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 43937c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4394f3b585ceSsamf goto out; 43957c478bd9Sstevel@tonic-gate } 43967c478bd9Sstevel@tonic-gate 43977c478bd9Sstevel@tonic-gate 43987c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 43997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 4400b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4401b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44027c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4403b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4404b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 44057c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4406f3b585ceSsamf goto out; 44077c478bd9Sstevel@tonic-gate } 44087c478bd9Sstevel@tonic-gate 440945916cd2Sjpk /* check label of the target dir */ 441045916cd2Sjpk if (is_system_labeled()) { 441145916cd2Sjpk ASSERT(req->rq_label != NULL); 441245916cd2Sjpk clabel = req->rq_label; 441345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 441445916cd2Sjpk "got client label from request(1)", 441545916cd2Sjpk struct svc_req *, req); 441645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 441703986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 4418bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 441945916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4420b89a8333Snatalie li - Sun Microsystems - Irvine United States goto err_out; 442145916cd2Sjpk } 442245916cd2Sjpk } 442345916cd2Sjpk } 442445916cd2Sjpk 44257c478bd9Sstevel@tonic-gate /* 44267c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 44277c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 44287c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 44297c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 44307c478bd9Sstevel@tonic-gate */ 4431b89a8333Snatalie li - Sun Microsystems - Irvine United States if (sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp, 4432b89a8333Snatalie li - Sun Microsystems - Irvine United States &error, cs->cr)) { 44337c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 44341b300de9Sjwahlig NULL)) { 44357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 44367c478bd9Sstevel@tonic-gate goto err_out; 44377c478bd9Sstevel@tonic-gate } 44387c478bd9Sstevel@tonic-gate } 44397c478bd9Sstevel@tonic-gate 44407c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 44417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4442b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4443b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44447c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4445b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4446b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44477c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4448f3b585ceSsamf goto out; 44497c478bd9Sstevel@tonic-gate } 44507c478bd9Sstevel@tonic-gate 44517c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 44527c478bd9Sstevel@tonic-gate 44537c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 4454b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, 4455b89a8333Snatalie li - Sun Microsystems - Irvine United States NULL, cs->cr)) { 44567c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 44571b300de9Sjwahlig NULL)) { 44587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 44597c478bd9Sstevel@tonic-gate goto err_out; 44607c478bd9Sstevel@tonic-gate } 44617c478bd9Sstevel@tonic-gate } 44627c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 44637c478bd9Sstevel@tonic-gate 44647c478bd9Sstevel@tonic-gate 44657c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 44667c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 44677c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 44687c478bd9Sstevel@tonic-gate in_crit_src = 1; 4469da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 44707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 44717c478bd9Sstevel@tonic-gate goto err_out; 44727c478bd9Sstevel@tonic-gate } 44737c478bd9Sstevel@tonic-gate } 44747c478bd9Sstevel@tonic-gate 44757c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 44767c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 44777c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4478da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 44797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 44807c478bd9Sstevel@tonic-gate goto err_out; 44817c478bd9Sstevel@tonic-gate } 44827c478bd9Sstevel@tonic-gate } 44837c478bd9Sstevel@tonic-gate 44847c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 44857c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4486da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 44877c478bd9Sstevel@tonic-gate if (!error) { 44887c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4489da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 44907c478bd9Sstevel@tonic-gate } 44917c478bd9Sstevel@tonic-gate if (error) { 44927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 44937c478bd9Sstevel@tonic-gate goto err_out; 44947c478bd9Sstevel@tonic-gate } 44957c478bd9Sstevel@tonic-gate 44967c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 44977c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 44987c478bd9Sstevel@tonic-gate 4499b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_RENAME(odvp, converted_onm, ndvp, converted_nnm, 4500b89a8333Snatalie li - Sun Microsystems - Irvine United States cs->cr, NULL, 0)) == 0 && fp != NULL) { 45017c478bd9Sstevel@tonic-gate struct vattr va; 4502418d27f3Sshepler vnode_t *tvp; 4503418d27f3Sshepler 4504*d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4505*d216dff5SRobert Mastors tvp = fp->rf_vp; 4506418d27f3Sshepler if (tvp) 4507418d27f3Sshepler VN_HOLD(tvp); 4508*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 45097c478bd9Sstevel@tonic-gate 4510418d27f3Sshepler if (tvp) { 4511418d27f3Sshepler va.va_mask = AT_NLINK; 4512da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 45131b300de9Sjwahlig va.va_nlink == 0) { 4514418d27f3Sshepler /* The file is gone and so should the state */ 4515418d27f3Sshepler if (in_crit_targ) { 4516418d27f3Sshepler nbl_end_crit(targvp); 4517418d27f3Sshepler in_crit_targ = 0; 4518418d27f3Sshepler } 4519418d27f3Sshepler rfs4_close_all_state(fp); 45207c478bd9Sstevel@tonic-gate } 4521418d27f3Sshepler VN_RELE(tvp); 45227c478bd9Sstevel@tonic-gate } 45237c478bd9Sstevel@tonic-gate } 452451ece835Seschrock if (error == 0) 452551ece835Seschrock vn_renamepath(ndvp, srcvp, nnm, nlen - 1); 45267c478bd9Sstevel@tonic-gate 45277c478bd9Sstevel@tonic-gate if (in_crit_src) 45287c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 45297c478bd9Sstevel@tonic-gate if (srcvp) 45307c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 45317c478bd9Sstevel@tonic-gate if (in_crit_targ) 45327c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 45337c478bd9Sstevel@tonic-gate if (targvp) 45347c478bd9Sstevel@tonic-gate VN_RELE(targvp); 45357c478bd9Sstevel@tonic-gate 45367c478bd9Sstevel@tonic-gate if (sfp) { 45377c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 45387c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 45397c478bd9Sstevel@tonic-gate } 45407c478bd9Sstevel@tonic-gate if (fp) { 45417c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 45427c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 45437c478bd9Sstevel@tonic-gate } 45447c478bd9Sstevel@tonic-gate 4545b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm != onm) 4546b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45477c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4548b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm != nnm) 4549b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 45507c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 45517c478bd9Sstevel@tonic-gate 45527c478bd9Sstevel@tonic-gate /* 45537c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 45547c478bd9Sstevel@tonic-gate */ 45557c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4556da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 45577c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 45587c478bd9Sstevel@tonic-gate 45597c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4560da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 45617c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 45627c478bd9Sstevel@tonic-gate 45637c478bd9Sstevel@tonic-gate /* 45647c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 45657c478bd9Sstevel@tonic-gate */ 4566da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4567da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 45687c478bd9Sstevel@tonic-gate 45697c478bd9Sstevel@tonic-gate if (error) { 45707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4571f3b585ceSsamf goto out; 45727c478bd9Sstevel@tonic-gate } 45737c478bd9Sstevel@tonic-gate 45747c478bd9Sstevel@tonic-gate /* 45757c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 45767c478bd9Sstevel@tonic-gate * before value. 45777c478bd9Sstevel@tonic-gate */ 45787c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4579da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 45807c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 45817c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 45827c478bd9Sstevel@tonic-gate } 45837c478bd9Sstevel@tonic-gate 45847c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4585da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 45867c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 45877c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 45887c478bd9Sstevel@tonic-gate } 45897c478bd9Sstevel@tonic-gate 45907c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 45917c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 45927c478bd9Sstevel@tonic-gate 45937c478bd9Sstevel@tonic-gate /* 45947c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 45957c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 45967c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 45977c478bd9Sstevel@tonic-gate */ 45987c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 45991b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 46007c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 46017c478bd9Sstevel@tonic-gate else 46027c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 46037c478bd9Sstevel@tonic-gate 46047c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 46051b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 46067c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 46077c478bd9Sstevel@tonic-gate else 46087c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 46097c478bd9Sstevel@tonic-gate 46107c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 46117c478bd9Sstevel@tonic-gate { 46127c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 46137c478bd9Sstevel@tonic-gate 46147c478bd9Sstevel@tonic-gate /* 46157c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 46167c478bd9Sstevel@tonic-gate */ 46177c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 46187c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 46197c478bd9Sstevel@tonic-gate vnode_t *vp; 46207c478bd9Sstevel@tonic-gate 46217c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 46227c478bd9Sstevel@tonic-gate /* 46237c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 46247c478bd9Sstevel@tonic-gate */ 4625da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4626da6c28aaSamw NULL, NULL, NULL); 46277c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46287c478bd9Sstevel@tonic-gate if (!error) { 46297c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 46307c478bd9Sstevel@tonic-gate VN_RELE(vp); 46317c478bd9Sstevel@tonic-gate } 46327c478bd9Sstevel@tonic-gate } 46337c478bd9Sstevel@tonic-gate } 46347c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 46357c478bd9Sstevel@tonic-gate 46367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4637f3b585ceSsamf out: 4638f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4639f3b585ceSsamf RENAME4res *, resp); 46407c478bd9Sstevel@tonic-gate return; 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate err_out: 4643b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4644b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4645b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != NULL) 4646b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4647b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4648b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 4649b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != NULL) 4650b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 46517c478bd9Sstevel@tonic-gate 46527c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 46537c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 46547c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 46557c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 46567c478bd9Sstevel@tonic-gate if (sfp) { 46577c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 46587c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 46597c478bd9Sstevel@tonic-gate } 46607c478bd9Sstevel@tonic-gate if (fp) { 46617c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 46627c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 46637c478bd9Sstevel@tonic-gate } 4664f3b585ceSsamf 4665f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4666f3b585ceSsamf RENAME4res *, resp); 46677c478bd9Sstevel@tonic-gate } 46687c478bd9Sstevel@tonic-gate 46697c478bd9Sstevel@tonic-gate /* ARGSUSED */ 46707c478bd9Sstevel@tonic-gate static void 46717c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4672*d216dff5SRobert Mastors struct compound_state *cs) 46737c478bd9Sstevel@tonic-gate { 46747c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 46757c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 46767c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 46777c478bd9Sstevel@tonic-gate 4678f3b585ceSsamf DTRACE_NFSV4_2(op__renew__start, struct compound_state *, cs, 4679f3b585ceSsamf RENEW4args *, args); 4680f3b585ceSsamf 46817c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 46827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 46831b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 0); 4684f3b585ceSsamf goto out; 46857c478bd9Sstevel@tonic-gate } 46867c478bd9Sstevel@tonic-gate 46877c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 46887c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 46897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 4690f3b585ceSsamf goto out; 46917c478bd9Sstevel@tonic-gate } 46927c478bd9Sstevel@tonic-gate 46937c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 46947c478bd9Sstevel@tonic-gate 4695*d216dff5SRobert Mastors mutex_enter(cp->rc_cbinfo.cb_lock); 4696*d216dff5SRobert Mastors if (cp->rc_cbinfo.cb_notified_of_cb_path_down == FALSE) { 4697*d216dff5SRobert Mastors cp->rc_cbinfo.cb_notified_of_cb_path_down = TRUE; 46987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 46997c478bd9Sstevel@tonic-gate } else { 47007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 47017c478bd9Sstevel@tonic-gate } 4702*d216dff5SRobert Mastors mutex_exit(cp->rc_cbinfo.cb_lock); 47037c478bd9Sstevel@tonic-gate 47047c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 47057c478bd9Sstevel@tonic-gate 4706f3b585ceSsamf out: 4707f3b585ceSsamf DTRACE_NFSV4_2(op__renew__done, struct compound_state *, cs, 4708f3b585ceSsamf RENEW4res *, resp); 47097c478bd9Sstevel@tonic-gate } 47107c478bd9Sstevel@tonic-gate 47117c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47127c478bd9Sstevel@tonic-gate static void 47137c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 4714*d216dff5SRobert Mastors struct compound_state *cs) 47157c478bd9Sstevel@tonic-gate { 47167c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 47177c478bd9Sstevel@tonic-gate 4718f3b585ceSsamf DTRACE_NFSV4_1(op__restorefh__start, struct compound_state *, cs); 4719f3b585ceSsamf 47207c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 47217c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 47227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 4723f3b585ceSsamf goto out; 47247c478bd9Sstevel@tonic-gate } 47257c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 47267c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 47277c478bd9Sstevel@tonic-gate } 47287c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 47297c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 47307c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 47317c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 47327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 47337c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 4734f3b585ceSsamf 4735f3b585ceSsamf out: 4736f3b585ceSsamf DTRACE_NFSV4_2(op__restorefh__done, struct compound_state *, cs, 4737f3b585ceSsamf RESTOREFH4res *, resp); 47387c478bd9Sstevel@tonic-gate } 47397c478bd9Sstevel@tonic-gate 47407c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47417c478bd9Sstevel@tonic-gate static void 47427c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 4743*d216dff5SRobert Mastors struct compound_state *cs) 47447c478bd9Sstevel@tonic-gate { 47457c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 47467c478bd9Sstevel@tonic-gate 4747f3b585ceSsamf DTRACE_NFSV4_1(op__savefh__start, struct compound_state *, cs); 4748f3b585ceSsamf 47497c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 47507c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 47517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4752f3b585ceSsamf goto out; 47537c478bd9Sstevel@tonic-gate } 47547c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 47557c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 47567c478bd9Sstevel@tonic-gate } 47577c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 47587c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 47597c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 47607c478bd9Sstevel@tonic-gate /* 47617c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 47627c478bd9Sstevel@tonic-gate * unless necessary. 47637c478bd9Sstevel@tonic-gate */ 47647c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 47657c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 47667c478bd9Sstevel@tonic-gate } 47677c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 47687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4769f3b585ceSsamf 4770f3b585ceSsamf out: 4771f3b585ceSsamf DTRACE_NFSV4_2(op__savefh__done, struct compound_state *, cs, 4772f3b585ceSsamf SAVEFH4res *, resp); 47737c478bd9Sstevel@tonic-gate } 47747c478bd9Sstevel@tonic-gate 47757c478bd9Sstevel@tonic-gate /* 47767c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 47777c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 47787c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 47797c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 47807c478bd9Sstevel@tonic-gate * 47817c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 47827c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 47837c478bd9Sstevel@tonic-gate * 47847c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 47857c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 47867c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 47877c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 47887c478bd9Sstevel@tonic-gate * 47897c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 47907c478bd9Sstevel@tonic-gate */ 47917c478bd9Sstevel@tonic-gate static int 47927c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 4793*d216dff5SRobert Mastors bitmap4 *resp, struct nfs4_ntov_table *ntovp) 47947c478bd9Sstevel@tonic-gate { 47957c478bd9Sstevel@tonic-gate int error, ret_error = 0; 47967c478bd9Sstevel@tonic-gate int i, k; 47977c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 47987c478bd9Sstevel@tonic-gate uint_t vbit; 47997c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 48007c478bd9Sstevel@tonic-gate uint8_t *amap; 48017c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 48027c478bd9Sstevel@tonic-gate 48037c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 48047c478bd9Sstevel@tonic-gate /* 48057c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 48067c478bd9Sstevel@tonic-gate * on the incoming values. 48077c478bd9Sstevel@tonic-gate */ 48087c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4809da6c28aaSamw sargp->cs->cr, NULL); 48107c478bd9Sstevel@tonic-gate if (ret_error) { 48117c478bd9Sstevel@tonic-gate if (resp == NULL) 48127c478bd9Sstevel@tonic-gate return (ret_error); 48137c478bd9Sstevel@tonic-gate /* 48147c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 48157c478bd9Sstevel@tonic-gate */ 48167c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 48177c478bd9Sstevel@tonic-gate } else { 48187c478bd9Sstevel@tonic-gate /* 48197c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 48207c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 48217c478bd9Sstevel@tonic-gate * defensive coding. 48227c478bd9Sstevel@tonic-gate * See bug id 4276830. 48237c478bd9Sstevel@tonic-gate */ 48247c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 48257c478bd9Sstevel@tonic-gate } 48267c478bd9Sstevel@tonic-gate } 48277c478bd9Sstevel@tonic-gate 48287c478bd9Sstevel@tonic-gate if (getsb) { 48297c478bd9Sstevel@tonic-gate /* 48307c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 48317c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 48327c478bd9Sstevel@tonic-gate */ 48337c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 48347c478bd9Sstevel@tonic-gate if (ret_error) { 48357c478bd9Sstevel@tonic-gate if (resp == NULL) 48367c478bd9Sstevel@tonic-gate goto errout; 48377c478bd9Sstevel@tonic-gate getsb = FALSE; 48387c478bd9Sstevel@tonic-gate } 48397c478bd9Sstevel@tonic-gate } 48407c478bd9Sstevel@tonic-gate 48417c478bd9Sstevel@tonic-gate /* 48427c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 48437c478bd9Sstevel@tonic-gate * whether it's the same as the input. 48447c478bd9Sstevel@tonic-gate */ 48457c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 48467c478bd9Sstevel@tonic-gate goto errout; 48477c478bd9Sstevel@tonic-gate 48487c478bd9Sstevel@tonic-gate na = ntovp->na; 48497c478bd9Sstevel@tonic-gate amap = ntovp->amap; 48507c478bd9Sstevel@tonic-gate k = 0; 48517c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 48527c478bd9Sstevel@tonic-gate k = *amap; 48537c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 48547c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 48557c478bd9Sstevel@tonic-gate 48567c478bd9Sstevel@tonic-gate /* 48577c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 48587c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 48597c478bd9Sstevel@tonic-gate */ 48607c478bd9Sstevel@tonic-gate if (vbit) { 48617c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 48627c478bd9Sstevel@tonic-gate continue; 48637c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 48647c478bd9Sstevel@tonic-gate continue; 48657c478bd9Sstevel@tonic-gate } 48661b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 48677c478bd9Sstevel@tonic-gate if (resp != NULL) { 48687c478bd9Sstevel@tonic-gate if (error) 48697c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 48707c478bd9Sstevel@tonic-gate else /* update response bitmap */ 48717c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 48727c478bd9Sstevel@tonic-gate continue; 48737c478bd9Sstevel@tonic-gate } 48747c478bd9Sstevel@tonic-gate if (error) { 48757c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 48767c478bd9Sstevel@tonic-gate break; 48777c478bd9Sstevel@tonic-gate } 48787c478bd9Sstevel@tonic-gate } 48797c478bd9Sstevel@tonic-gate errout: 48807c478bd9Sstevel@tonic-gate return (ret_error); 48817c478bd9Sstevel@tonic-gate } 48827c478bd9Sstevel@tonic-gate 48837c478bd9Sstevel@tonic-gate /* 48847c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 48857c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 48867c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 48877c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 48887c478bd9Sstevel@tonic-gate * 48897c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 48907c478bd9Sstevel@tonic-gate */ 48917c478bd9Sstevel@tonic-gate static int 48927c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 4893*d216dff5SRobert Mastors int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 48947c478bd9Sstevel@tonic-gate { 48957c478bd9Sstevel@tonic-gate int error = 0; 48967c478bd9Sstevel@tonic-gate bool_t set_later; 48977c478bd9Sstevel@tonic-gate 48987c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 48997c478bd9Sstevel@tonic-gate 49007c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 49017c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 49027c478bd9Sstevel@tonic-gate /* 49037c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 49047c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 49057c478bd9Sstevel@tonic-gate * Will be done later. 49067c478bd9Sstevel@tonic-gate */ 49077c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 49087c478bd9Sstevel@tonic-gate /* 49097c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 49107c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 49117c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 49127c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 49137c478bd9Sstevel@tonic-gate */ 49147c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 49157c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 49167c478bd9Sstevel@tonic-gate sargp, nap); 49177c478bd9Sstevel@tonic-gate if (error) { 49187c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 49197c478bd9Sstevel@tonic-gate (caddr_t)nap); 49207c478bd9Sstevel@tonic-gate } 49217c478bd9Sstevel@tonic-gate } 49227c478bd9Sstevel@tonic-gate } 49237c478bd9Sstevel@tonic-gate } else { 49247c478bd9Sstevel@tonic-gate #ifdef DEBUG 49257c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 49261b300de9Sjwahlig "decoding attribute %d\n", k); 49277c478bd9Sstevel@tonic-gate #endif 49287c478bd9Sstevel@tonic-gate error = EINVAL; 49297c478bd9Sstevel@tonic-gate } 49307c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 49317c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 49327c478bd9Sstevel@tonic-gate } 49337c478bd9Sstevel@tonic-gate 49347c478bd9Sstevel@tonic-gate return (error); 49357c478bd9Sstevel@tonic-gate } 49367c478bd9Sstevel@tonic-gate 49377c478bd9Sstevel@tonic-gate /* 49387c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 49397c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 49407c478bd9Sstevel@tonic-gate */ 49417c478bd9Sstevel@tonic-gate static nfsstat4 49427c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 4943*d216dff5SRobert Mastors struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 4944*d216dff5SRobert Mastors nfs4_attr_cmd_t cmd) 49457c478bd9Sstevel@tonic-gate { 49467c478bd9Sstevel@tonic-gate int error = 0; 49477c478bd9Sstevel@tonic-gate int i; 49487c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 49497c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 49507c478bd9Sstevel@tonic-gate XDR xdr; 49517c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 49527c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 49537c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 49547c478bd9Sstevel@tonic-gate uint8_t *amap; 49557c478bd9Sstevel@tonic-gate 49567c478bd9Sstevel@tonic-gate #ifndef lint 49577c478bd9Sstevel@tonic-gate /* 49587c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 49597c478bd9Sstevel@tonic-gate * 8 bit quantity. 49607c478bd9Sstevel@tonic-gate */ 49617c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 49627c478bd9Sstevel@tonic-gate #endif 49637c478bd9Sstevel@tonic-gate 49647c478bd9Sstevel@tonic-gate if (vp == NULL) { 49657c478bd9Sstevel@tonic-gate if (resp) 49667c478bd9Sstevel@tonic-gate *resp = 0; 49677c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 49687c478bd9Sstevel@tonic-gate } 49697c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 49707c478bd9Sstevel@tonic-gate if (resp) 49717c478bd9Sstevel@tonic-gate *resp = 0; 49727c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 49737c478bd9Sstevel@tonic-gate } 49747c478bd9Sstevel@tonic-gate 49757c478bd9Sstevel@tonic-gate sargp->op = cmd; 49767c478bd9Sstevel@tonic-gate sargp->cs = cs; 49777c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 49787c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 49797c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 49807c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 49817c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 49827c478bd9Sstevel@tonic-gate 49837c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 49847c478bd9Sstevel@tonic-gate 49857c478bd9Sstevel@tonic-gate na = ntovp->na; 49867c478bd9Sstevel@tonic-gate amap = ntovp->amap; 49877c478bd9Sstevel@tonic-gate 49887c478bd9Sstevel@tonic-gate /* 49897c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 49907c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 49917c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 49927c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 49937c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 49947c478bd9Sstevel@tonic-gate * will be set in this loop. 49957c478bd9Sstevel@tonic-gate */ 49967c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 49977c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 49987c478bd9Sstevel@tonic-gate continue; 49997c478bd9Sstevel@tonic-gate } 50007c478bd9Sstevel@tonic-gate /* 50017c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 50027c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 50037c478bd9Sstevel@tonic-gate */ 50047c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 50051b300de9Sjwahlig NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 50067c478bd9Sstevel@tonic-gate /* 50077c478bd9Sstevel@tonic-gate * Client tries to set/verify an 50087c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 50097c478bd9Sstevel@tonic-gate * a read only attr or verify a write 50107c478bd9Sstevel@tonic-gate * only one - error! 50117c478bd9Sstevel@tonic-gate */ 50127c478bd9Sstevel@tonic-gate break; 50137c478bd9Sstevel@tonic-gate } 50147c478bd9Sstevel@tonic-gate /* 50157c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 50167c478bd9Sstevel@tonic-gate */ 50177c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 50181b300de9Sjwahlig &xdr, resp ? resp : NULL, na); 50197c478bd9Sstevel@tonic-gate if (error) 50207c478bd9Sstevel@tonic-gate break; 50217c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 50227c478bd9Sstevel@tonic-gate na++; 50237c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 50247c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 50257c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 50267c478bd9Sstevel@tonic-gate } 50277c478bd9Sstevel@tonic-gate 50287c478bd9Sstevel@tonic-gate if (error != 0) 50291b300de9Sjwahlig status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 50301b300de9Sjwahlig puterrno4(error)); 50317c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 50327c478bd9Sstevel@tonic-gate return (status); 50337c478bd9Sstevel@tonic-gate } 50347c478bd9Sstevel@tonic-gate 50357c478bd9Sstevel@tonic-gate static nfsstat4 50367c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 5037*d216dff5SRobert Mastors stateid4 *stateid) 50387c478bd9Sstevel@tonic-gate { 50397c478bd9Sstevel@tonic-gate int error = 0; 50407c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 50417c478bd9Sstevel@tonic-gate bool_t trunc; 50427c478bd9Sstevel@tonic-gate 50437c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 50447c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 50457c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 50467c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 50477c478bd9Sstevel@tonic-gate struct statvfs64 sb; 50487c478bd9Sstevel@tonic-gate struct vattr bva; 50497c478bd9Sstevel@tonic-gate struct flock64 bf; 50507c478bd9Sstevel@tonic-gate int in_crit = 0; 50517c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 50527c478bd9Sstevel@tonic-gate caller_context_t ct; 50537c478bd9Sstevel@tonic-gate 50547c478bd9Sstevel@tonic-gate *resp = 0; 50557c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 50567c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 50577c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 50581b300de9Sjwahlig NFS4ATTR_SETIT); 50597c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 50607c478bd9Sstevel@tonic-gate /* 50617c478bd9Sstevel@tonic-gate * failed set attrs 50627c478bd9Sstevel@tonic-gate */ 50637c478bd9Sstevel@tonic-gate goto done; 50647c478bd9Sstevel@tonic-gate } 50657c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 50667c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 50677c478bd9Sstevel@tonic-gate /* 50687c478bd9Sstevel@tonic-gate * no further work to be done 50697c478bd9Sstevel@tonic-gate */ 50707c478bd9Sstevel@tonic-gate goto done; 50717c478bd9Sstevel@tonic-gate } 50727c478bd9Sstevel@tonic-gate 50737c478bd9Sstevel@tonic-gate /* 50747c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 50757c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 50767c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 50777c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 50787c478bd9Sstevel@tonic-gate */ 50797c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 50807c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 50817c478bd9Sstevel@tonic-gate vattr_t va; 50827c478bd9Sstevel@tonic-gate 50837c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 5084da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 50857c478bd9Sstevel@tonic-gate if (error) { 50867c478bd9Sstevel@tonic-gate status = puterrno4(error); 50877c478bd9Sstevel@tonic-gate goto done; 50887c478bd9Sstevel@tonic-gate } 50897c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 50907c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 50917c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 50927c478bd9Sstevel@tonic-gate goto done; 50937c478bd9Sstevel@tonic-gate } 50947c478bd9Sstevel@tonic-gate } 50957c478bd9Sstevel@tonic-gate 50967c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 50977c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 50987c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 50997c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 5100da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 51017c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 51027c478bd9Sstevel@tonic-gate goto done; 5103da6c28aaSamw } else { 5104da6c28aaSamw ct.cc_sysid = 0; 5105da6c28aaSamw ct.cc_pid = 0; 5106da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 510762b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 51087c478bd9Sstevel@tonic-gate } 51097c478bd9Sstevel@tonic-gate 51107c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 51117c478bd9Sstevel@tonic-gate 51127c478bd9Sstevel@tonic-gate /* 51137c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 51147c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 51157c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 51167c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 51177c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 51187c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 51197c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 51207c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 51217c478bd9Sstevel@tonic-gate * do the access checking. 51227c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 51237c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 51247c478bd9Sstevel@tonic-gate * the region of the change. 51257c478bd9Sstevel@tonic-gate */ 51267c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 51277c478bd9Sstevel@tonic-gate u_offset_t offset; 51287c478bd9Sstevel@tonic-gate ssize_t length; 51297c478bd9Sstevel@tonic-gate 51309720e166Sjasmith /* 51319720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 51329720e166Sjasmith * before returning, sarg.vap->va_mask is used to 51339720e166Sjasmith * generate the setattr reply bitmap. We also clear 51349720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 51359720e166Sjasmith * of these cases, the va_mask needs to be saved here 51369720e166Sjasmith * and restored after calling VOP_SETATTR. 51379720e166Sjasmith */ 51389720e166Sjasmith saved_mask = sarg.vap->va_mask; 51399720e166Sjasmith 51407c478bd9Sstevel@tonic-gate /* 51417c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 51427c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 51437c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 51447c478bd9Sstevel@tonic-gate */ 51457c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 51467c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 51477c478bd9Sstevel@tonic-gate in_crit = 1; 51487c478bd9Sstevel@tonic-gate } 51497c478bd9Sstevel@tonic-gate 51507c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 5151da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 51527c478bd9Sstevel@tonic-gate status = puterrno4(error); 51537c478bd9Sstevel@tonic-gate goto done; 51547c478bd9Sstevel@tonic-gate } 51557c478bd9Sstevel@tonic-gate 51567c478bd9Sstevel@tonic-gate if (in_crit) { 51577c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 51587c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 51597c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 51607c478bd9Sstevel@tonic-gate } else { 51617c478bd9Sstevel@tonic-gate offset = bva.va_size; 51627c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 51637c478bd9Sstevel@tonic-gate } 5164da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 5165da6c28aaSamw &ct)) { 51667c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 51677c478bd9Sstevel@tonic-gate goto done; 51687c478bd9Sstevel@tonic-gate } 51697c478bd9Sstevel@tonic-gate } 51707c478bd9Sstevel@tonic-gate 51717c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 51727c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 51737c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 51747c478bd9Sstevel@tonic-gate bf.l_whence = 0; 51757c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 51767c478bd9Sstevel@tonic-gate bf.l_len = 0; 51777c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 51787c478bd9Sstevel@tonic-gate bf.l_pid = 0; 51797c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 51801b300de9Sjwahlig (offset_t)sarg.vap->va_size, cr, &ct); 51817c478bd9Sstevel@tonic-gate } 51827c478bd9Sstevel@tonic-gate } 51837c478bd9Sstevel@tonic-gate 51847c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 51857c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 51867c478bd9Sstevel@tonic-gate 51879720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 51887c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 51897c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 51907c478bd9Sstevel@tonic-gate 51917c478bd9Sstevel@tonic-gate /* 51927c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 51937c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 51947c478bd9Sstevel@tonic-gate */ 51957c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 51967c478bd9Sstevel@tonic-gate int i; 51977c478bd9Sstevel@tonic-gate 51987c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 51997c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 52007c478bd9Sstevel@tonic-gate break; 52017c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 52027c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 52037c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 52047c478bd9Sstevel@tonic-gate if (error == 0) { 52057c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 52067c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 52077c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 52087c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 52097c478bd9Sstevel@tonic-gate goto done; 52107c478bd9Sstevel@tonic-gate } 52117c478bd9Sstevel@tonic-gate } else { 52127c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 52137c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 52147c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 52157c478bd9Sstevel@tonic-gate error = EINVAL; 52167c478bd9Sstevel@tonic-gate } 52177c478bd9Sstevel@tonic-gate } 52187c478bd9Sstevel@tonic-gate 52197c478bd9Sstevel@tonic-gate if (error) { 522062b9fcbeSjwahlig /* check if a monitor detected a delegation conflict */ 522162b9fcbeSjwahlig if (error == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 522262b9fcbeSjwahlig status = NFS4ERR_DELAY; 522362b9fcbeSjwahlig else 522462b9fcbeSjwahlig status = puterrno4(error); 52257c478bd9Sstevel@tonic-gate 52267c478bd9Sstevel@tonic-gate /* 52277c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 52287c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 52297c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 52307c478bd9Sstevel@tonic-gate * to the setattr arguments. 52317c478bd9Sstevel@tonic-gate */ 52327c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 52337c478bd9Sstevel@tonic-gate } else { 52347c478bd9Sstevel@tonic-gate /* 52357c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 52367c478bd9Sstevel@tonic-gate */ 5237da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 52387c478bd9Sstevel@tonic-gate /* 52397c478bd9Sstevel@tonic-gate * Set response bitmap 52407c478bd9Sstevel@tonic-gate */ 52419720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 52427c478bd9Sstevel@tonic-gate } 52437c478bd9Sstevel@tonic-gate 52447c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 52457c478bd9Sstevel@tonic-gate done: 52469720e166Sjasmith /* 52479720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 52489720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 52499720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 52509720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 52519720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 52529720e166Sjasmith * case. 52539720e166Sjasmith */ 52549720e166Sjasmith *resp &= fattrp->attrmask; 52559720e166Sjasmith 52567c478bd9Sstevel@tonic-gate if (in_crit) 52577c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 52587c478bd9Sstevel@tonic-gate 52597c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 52607c478bd9Sstevel@tonic-gate 52617c478bd9Sstevel@tonic-gate return (status); 52627c478bd9Sstevel@tonic-gate } 52637c478bd9Sstevel@tonic-gate 52647c478bd9Sstevel@tonic-gate /* ARGSUSED */ 52657c478bd9Sstevel@tonic-gate static void 52667c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5267*d216dff5SRobert Mastors struct compound_state *cs) 52687c478bd9Sstevel@tonic-gate { 52697c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 52707c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 527145916cd2Sjpk bslabel_t *clabel; 52727c478bd9Sstevel@tonic-gate 5273f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__start, struct compound_state *, cs, 5274f3b585ceSsamf SETATTR4args *, args); 5275f3b585ceSsamf 52767c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 52777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5278f3b585ceSsamf goto out; 52797c478bd9Sstevel@tonic-gate } 52807c478bd9Sstevel@tonic-gate 52817c478bd9Sstevel@tonic-gate /* 52827c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 52837c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 52847c478bd9Sstevel@tonic-gate */ 52857c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 52867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5287f3b585ceSsamf goto out; 52887c478bd9Sstevel@tonic-gate } 52897c478bd9Sstevel@tonic-gate 52907c478bd9Sstevel@tonic-gate resp->attrsset = 0; 52917c478bd9Sstevel@tonic-gate 52927c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 52937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 5294f3b585ceSsamf goto out; 52957c478bd9Sstevel@tonic-gate } 52967c478bd9Sstevel@tonic-gate 529745916cd2Sjpk /* check label before setting attributes */ 529845916cd2Sjpk if (is_system_labeled()) { 529945916cd2Sjpk ASSERT(req->rq_label != NULL); 530045916cd2Sjpk clabel = req->rq_label; 530145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 530245916cd2Sjpk "got client label from request(1)", 530345916cd2Sjpk struct svc_req *, req); 530445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 530503986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 5306bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 530745916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 5308f3b585ceSsamf goto out; 530945916cd2Sjpk } 531045916cd2Sjpk } 531145916cd2Sjpk } 531245916cd2Sjpk 53137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 53141b300de9Sjwahlig do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 53151b300de9Sjwahlig &args->stateid); 5316f3b585ceSsamf 5317f3b585ceSsamf out: 5318f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__done, struct compound_state *, cs, 5319f3b585ceSsamf SETATTR4res *, resp); 53207c478bd9Sstevel@tonic-gate } 53217c478bd9Sstevel@tonic-gate 53227c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53237c478bd9Sstevel@tonic-gate static void 53247c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5325*d216dff5SRobert Mastors struct compound_state *cs) 53267c478bd9Sstevel@tonic-gate { 53277c478bd9Sstevel@tonic-gate /* 53287c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 53297c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 53307c478bd9Sstevel@tonic-gate * when none changed. 53317c478bd9Sstevel@tonic-gate */ 53327c478bd9Sstevel@tonic-gate 53337c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 53347c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 53357c478bd9Sstevel@tonic-gate 53367c478bd9Sstevel@tonic-gate int error; 53377c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 53387c478bd9Sstevel@tonic-gate struct statvfs64 sb; 53397c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 53407c478bd9Sstevel@tonic-gate 5341f3b585ceSsamf DTRACE_NFSV4_2(op__verify__start, struct compound_state *, cs, 5342f3b585ceSsamf VERIFY4args *, args); 5343f3b585ceSsamf 53447c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5346f3b585ceSsamf goto out; 53477c478bd9Sstevel@tonic-gate } 53487c478bd9Sstevel@tonic-gate 53497c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 53507c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 53517c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 53521b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 53537c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 53547c478bd9Sstevel@tonic-gate /* 53557c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 53567c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 53577c478bd9Sstevel@tonic-gate */ 53587c478bd9Sstevel@tonic-gate if (resp->status == -1) 53597c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 53607c478bd9Sstevel@tonic-gate goto done; 53617c478bd9Sstevel@tonic-gate } 53627c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 53637c478bd9Sstevel@tonic-gate switch (error) { 53647c478bd9Sstevel@tonic-gate case 0: 53657c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 53667c478bd9Sstevel@tonic-gate break; 53677c478bd9Sstevel@tonic-gate case -1: 53687c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 53697c478bd9Sstevel@tonic-gate break; 53707c478bd9Sstevel@tonic-gate default: 53717c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 53727c478bd9Sstevel@tonic-gate break; 53737c478bd9Sstevel@tonic-gate } 53747c478bd9Sstevel@tonic-gate done: 53757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 53767c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5377f3b585ceSsamf out: 5378f3b585ceSsamf DTRACE_NFSV4_2(op__verify__done, struct compound_state *, cs, 5379f3b585ceSsamf VERIFY4res *, resp); 53807c478bd9Sstevel@tonic-gate } 53817c478bd9Sstevel@tonic-gate 53827c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53837c478bd9Sstevel@tonic-gate static void 53847c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5385*d216dff5SRobert Mastors struct compound_state *cs) 53867c478bd9Sstevel@tonic-gate { 53877c478bd9Sstevel@tonic-gate /* 53887c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 53897c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 53907c478bd9Sstevel@tonic-gate * when none changed. 53917c478bd9Sstevel@tonic-gate */ 53927c478bd9Sstevel@tonic-gate 53937c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 53947c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 53957c478bd9Sstevel@tonic-gate 53967c478bd9Sstevel@tonic-gate int error; 53977c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 53987c478bd9Sstevel@tonic-gate struct statvfs64 sb; 53997c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54007c478bd9Sstevel@tonic-gate 5401f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__start, struct compound_state *, cs, 5402f3b585ceSsamf NVERIFY4args *, args); 5403f3b585ceSsamf 54047c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 54057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5406f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5407f3b585ceSsamf NVERIFY4res *, resp); 54087c478bd9Sstevel@tonic-gate return; 54097c478bd9Sstevel@tonic-gate } 54107c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 54117c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54127c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54131b300de9Sjwahlig &sarg, &ntov, NFS4ATTR_VERIT); 54147c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54157c478bd9Sstevel@tonic-gate /* 54167c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54177c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54187c478bd9Sstevel@tonic-gate */ 54197c478bd9Sstevel@tonic-gate if (resp->status == -1) 54207c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54217c478bd9Sstevel@tonic-gate goto done; 54227c478bd9Sstevel@tonic-gate } 54237c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54247c478bd9Sstevel@tonic-gate switch (error) { 54257c478bd9Sstevel@tonic-gate case 0: 54267c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 54277c478bd9Sstevel@tonic-gate break; 54287c478bd9Sstevel@tonic-gate case -1: 54297c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54307c478bd9Sstevel@tonic-gate break; 54317c478bd9Sstevel@tonic-gate default: 54327c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 54337c478bd9Sstevel@tonic-gate break; 54347c478bd9Sstevel@tonic-gate } 54357c478bd9Sstevel@tonic-gate done: 54367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 54377c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5438f3b585ceSsamf 5439f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5440f3b585ceSsamf NVERIFY4res *, resp); 54417c478bd9Sstevel@tonic-gate } 54427c478bd9Sstevel@tonic-gate 54437c478bd9Sstevel@tonic-gate /* 54447c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 54457c478bd9Sstevel@tonic-gate */ 54467c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 54477c478bd9Sstevel@tonic-gate 54487c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54497c478bd9Sstevel@tonic-gate static void 54507c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 5451*d216dff5SRobert Mastors struct compound_state *cs) 54527c478bd9Sstevel@tonic-gate { 5453f3b585ceSsamf WRITE4args *args = &argop->nfs_argop4_u.opwrite; 54547c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 54557c478bd9Sstevel@tonic-gate int error; 54567c478bd9Sstevel@tonic-gate vnode_t *vp; 54577c478bd9Sstevel@tonic-gate struct vattr bva; 54587c478bd9Sstevel@tonic-gate u_offset_t rlimit; 54597c478bd9Sstevel@tonic-gate struct uio uio; 54607c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 54617c478bd9Sstevel@tonic-gate struct iovec *iovp; 54627c478bd9Sstevel@tonic-gate int iovcnt; 54637c478bd9Sstevel@tonic-gate int ioflag; 54647c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 54657c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 54667c478bd9Sstevel@tonic-gate nfsstat4 stat; 54677c478bd9Sstevel@tonic-gate int in_crit = 0; 5468da6c28aaSamw caller_context_t ct; 54697c478bd9Sstevel@tonic-gate 5470f3b585ceSsamf DTRACE_NFSV4_2(op__write__start, struct compound_state *, cs, 5471f3b585ceSsamf WRITE4args *, args); 5472f3b585ceSsamf 54737c478bd9Sstevel@tonic-gate vp = cs->vp; 54747c478bd9Sstevel@tonic-gate if (vp == NULL) { 54757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5476f3b585ceSsamf goto out; 54777c478bd9Sstevel@tonic-gate } 54787c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 54797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5480f3b585ceSsamf goto out; 54817c478bd9Sstevel@tonic-gate } 54827c478bd9Sstevel@tonic-gate 54837c478bd9Sstevel@tonic-gate cr = cs->cr; 54847c478bd9Sstevel@tonic-gate 5485da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5486da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5487da6c28aaSamw *cs->statusp = resp->status = stat; 5488da6c28aaSamw goto out; 5489da6c28aaSamw } 5490da6c28aaSamw 54917c478bd9Sstevel@tonic-gate /* 54927c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 54937c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 54947c478bd9Sstevel@tonic-gate */ 54957c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 54967c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 54977c478bd9Sstevel@tonic-gate in_crit = 1; 54987c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5499da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 55007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 55017c478bd9Sstevel@tonic-gate goto out; 55027c478bd9Sstevel@tonic-gate } 55037c478bd9Sstevel@tonic-gate } 55047c478bd9Sstevel@tonic-gate 55057c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5506da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 55077c478bd9Sstevel@tonic-gate 55087c478bd9Sstevel@tonic-gate /* 55097c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 55107c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 55117c478bd9Sstevel@tonic-gate */ 55127c478bd9Sstevel@tonic-gate if (error) { 55137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 55147c478bd9Sstevel@tonic-gate goto out; 55157c478bd9Sstevel@tonic-gate } 55167c478bd9Sstevel@tonic-gate 55177c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 55187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 55197c478bd9Sstevel@tonic-gate goto out; 55207c478bd9Sstevel@tonic-gate } 55217c478bd9Sstevel@tonic-gate 55227c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 55237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 55241b300de9Sjwahlig ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 55257c478bd9Sstevel@tonic-gate goto out; 55267c478bd9Sstevel@tonic-gate } 55277c478bd9Sstevel@tonic-gate 55287c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5529da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 55307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 55317c478bd9Sstevel@tonic-gate goto out; 55327c478bd9Sstevel@tonic-gate } 55337c478bd9Sstevel@tonic-gate 55347c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 55357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 55367c478bd9Sstevel@tonic-gate goto out; 55377c478bd9Sstevel@tonic-gate } 55387c478bd9Sstevel@tonic-gate 55397c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 55407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 55417c478bd9Sstevel@tonic-gate resp->count = 0; 55427c478bd9Sstevel@tonic-gate resp->committed = args->stable; 55437c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 55447c478bd9Sstevel@tonic-gate goto out; 55457c478bd9Sstevel@tonic-gate } 55467c478bd9Sstevel@tonic-gate 55477c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 55487c478bd9Sstevel@tonic-gate mblk_t *m; 55497c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 55507c478bd9Sstevel@tonic-gate 55517c478bd9Sstevel@tonic-gate iovcnt = 0; 55527c478bd9Sstevel@tonic-gate bytes = 0; 55537c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 55547c478bd9Sstevel@tonic-gate for (m = args->mblk; 55557c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 55567c478bd9Sstevel@tonic-gate m = m->b_cont) { 55577c478bd9Sstevel@tonic-gate iovcnt++; 55587c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 55597c478bd9Sstevel@tonic-gate } 55607c478bd9Sstevel@tonic-gate #ifdef DEBUG 55617c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 55627c478bd9Sstevel@tonic-gate if (bytes != round_len) { 55637c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 55647c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 55657c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 55667c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 55677c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 55687c478bd9Sstevel@tonic-gate } 55697c478bd9Sstevel@tonic-gate #endif 55707c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 55717c478bd9Sstevel@tonic-gate iovp = iov; 55727c478bd9Sstevel@tonic-gate } else { 55737c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 55747c478bd9Sstevel@tonic-gate } 55757c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 55760a701b1eSRobert Gordon } else if (args->rlist != NULL) { 55770a701b1eSRobert Gordon iovcnt = 1; 55780a701b1eSRobert Gordon iovp = iov; 55790a701b1eSRobert Gordon iovp->iov_base = (char *)((args->rlist)->u.c_daddr3); 55800a701b1eSRobert Gordon iovp->iov_len = args->data_len; 55817c478bd9Sstevel@tonic-gate } else { 55827c478bd9Sstevel@tonic-gate iovcnt = 1; 55837c478bd9Sstevel@tonic-gate iovp = iov; 55847c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 55857c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 55867c478bd9Sstevel@tonic-gate } 55877c478bd9Sstevel@tonic-gate 55887c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 55897c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 55907c478bd9Sstevel@tonic-gate 55917c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 55927c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 55937c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 55947c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 55957c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 55967c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 55977c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 55987c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 55997c478bd9Sstevel@tonic-gate 56007c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 56017c478bd9Sstevel@tonic-gate ioflag = 0; 56027c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 56037c478bd9Sstevel@tonic-gate ioflag = FSYNC; 56047c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 56057c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 56067c478bd9Sstevel@tonic-gate else { 56077c478bd9Sstevel@tonic-gate if (iovp != iov) 56087c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 56097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 56107c478bd9Sstevel@tonic-gate goto out; 56117c478bd9Sstevel@tonic-gate } 56127c478bd9Sstevel@tonic-gate 56137c478bd9Sstevel@tonic-gate /* 56147c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 56157c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 56167c478bd9Sstevel@tonic-gate * checking is enabled. 56177c478bd9Sstevel@tonic-gate */ 56187c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 56197c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5620da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 56217c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 56227c478bd9Sstevel@tonic-gate 56237c478bd9Sstevel@tonic-gate if (iovp != iov) 56247c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 56257c478bd9Sstevel@tonic-gate 56267c478bd9Sstevel@tonic-gate if (error) { 56277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56287c478bd9Sstevel@tonic-gate goto out; 56297c478bd9Sstevel@tonic-gate } 56307c478bd9Sstevel@tonic-gate 56317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 56327c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 56337c478bd9Sstevel@tonic-gate 56347c478bd9Sstevel@tonic-gate if (ioflag == 0) 56357c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 56367c478bd9Sstevel@tonic-gate else 56377c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 56387c478bd9Sstevel@tonic-gate 56397c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 56407c478bd9Sstevel@tonic-gate 56417c478bd9Sstevel@tonic-gate out: 56427c478bd9Sstevel@tonic-gate if (in_crit) 56437c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 5644f3b585ceSsamf 5645f3b585ceSsamf DTRACE_NFSV4_2(op__write__done, struct compound_state *, cs, 5646f3b585ceSsamf WRITE4res *, resp); 56477c478bd9Sstevel@tonic-gate } 56487c478bd9Sstevel@tonic-gate 56497c478bd9Sstevel@tonic-gate 56507c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 56517c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 56527c478bd9Sstevel@tonic-gate 56537c478bd9Sstevel@tonic-gate void 56547c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 5655*d216dff5SRobert Mastors struct svc_req *req, cred_t *cr, int *rv) 56567c478bd9Sstevel@tonic-gate { 56577c478bd9Sstevel@tonic-gate uint_t i; 56587c478bd9Sstevel@tonic-gate struct compound_state cs; 56597c478bd9Sstevel@tonic-gate 56602e9d26a4Srmesta if (rv != NULL) 56612e9d26a4Srmesta *rv = 0; 56627c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 56637c478bd9Sstevel@tonic-gate /* 56647c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 56657c478bd9Sstevel@tonic-gate */ 56667c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 56671b300de9Sjwahlig kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 56687c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 56697c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 56701b300de9Sjwahlig resp->tag.utf8string_len); 56717c478bd9Sstevel@tonic-gate 56727c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 5673f3b585ceSsamf cs.req = req; 56747c478bd9Sstevel@tonic-gate 56757c478bd9Sstevel@tonic-gate /* 56767c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 56777c478bd9Sstevel@tonic-gate */ 56787c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 5679f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5680f3b585ceSsamf &cs, COMPOUND4args *, args); 56817c478bd9Sstevel@tonic-gate resp->array_len = 0; 56827c478bd9Sstevel@tonic-gate resp->array = NULL; 56837c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 5684f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5685f3b585ceSsamf &cs, COMPOUND4res *, resp); 56867c478bd9Sstevel@tonic-gate return; 56877c478bd9Sstevel@tonic-gate } 56887c478bd9Sstevel@tonic-gate 56897c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 56907c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 56917c478bd9Sstevel@tonic-gate 56927c478bd9Sstevel@tonic-gate cr = crget(); 56937c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 56947c478bd9Sstevel@tonic-gate 56957c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 5696f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5697f3b585ceSsamf &cs, COMPOUND4args *, args); 56987c478bd9Sstevel@tonic-gate crfree(cr); 5699f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5700f3b585ceSsamf &cs, COMPOUND4res *, resp); 57012e9d26a4Srmesta svcerr_badcred(req->rq_xprt); 57022e9d26a4Srmesta if (rv != NULL) 57032e9d26a4Srmesta *rv = 1; 57047c478bd9Sstevel@tonic-gate return; 57057c478bd9Sstevel@tonic-gate } 57062e9d26a4Srmesta resp->array_len = args->array_len; 57072e9d26a4Srmesta resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 57082e9d26a4Srmesta KM_SLEEP); 57097c478bd9Sstevel@tonic-gate 57107c478bd9Sstevel@tonic-gate cs.basecr = cr; 57117c478bd9Sstevel@tonic-gate 5712f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, &cs, 5713f3b585ceSsamf COMPOUND4args *, args); 57147c478bd9Sstevel@tonic-gate 57157c478bd9Sstevel@tonic-gate /* 57167c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 57177c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 57187c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 57197c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 57207c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 57217c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 57227c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 57237c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 57247c478bd9Sstevel@tonic-gate */ 57257c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 57267c478bd9Sstevel@tonic-gate 57277c478bd9Sstevel@tonic-gate /* 57287c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 57297c478bd9Sstevel@tonic-gate * new instances' grace periods. 57307c478bd9Sstevel@tonic-gate */ 57317c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 57327c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 57337c478bd9Sstevel@tonic-gate /* 57347c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 57357c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 57367c478bd9Sstevel@tonic-gate * is finished. 57377c478bd9Sstevel@tonic-gate */ 57387c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 57397c478bd9Sstevel@tonic-gate } 57407c478bd9Sstevel@tonic-gate 57417c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 57427c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 57437c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 57447c478bd9Sstevel@tonic-gate uint_t op; 57457c478bd9Sstevel@tonic-gate 57467c478bd9Sstevel@tonic-gate argop = &args->array[i]; 57477c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 57487c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 57497c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 57507c478bd9Sstevel@tonic-gate 57517c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 57527c478bd9Sstevel@tonic-gate /* 57537c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 57547c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 57557c478bd9Sstevel@tonic-gate */ 57567c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 57577c478bd9Sstevel@tonic-gate 57587c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 57591b300de9Sjwahlig (CE_NOTE, "Executing %s", rfs4_op_string[op])); 57607c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 57611b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 57621b300de9Sjwahlig rfs4_op_string[op], *cs.statusp)); 57637c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 57647c478bd9Sstevel@tonic-gate cs.cont = FALSE; 57657c478bd9Sstevel@tonic-gate } else { 57667c478bd9Sstevel@tonic-gate /* 57677c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 57687c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 57697c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 57707c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 57717c478bd9Sstevel@tonic-gate */ 57727c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 57737c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 57747c478bd9Sstevel@tonic-gate 57757c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 57767c478bd9Sstevel@tonic-gate cs.cont = FALSE; 57777c478bd9Sstevel@tonic-gate } 57787c478bd9Sstevel@tonic-gate 57797c478bd9Sstevel@tonic-gate /* 57807c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 57817c478bd9Sstevel@tonic-gate * compact the results array. 57827c478bd9Sstevel@tonic-gate */ 57837c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 57847c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 57851b300de9Sjwahlig (i+1) * sizeof (nfs_resop4), KM_SLEEP); 57867c478bd9Sstevel@tonic-gate bcopy(resp->array, 57871b300de9Sjwahlig new_res, (i+1) * sizeof (nfs_resop4)); 57887c478bd9Sstevel@tonic-gate kmem_free(resp->array, 57891b300de9Sjwahlig args->array_len * sizeof (nfs_resop4)); 57907c478bd9Sstevel@tonic-gate 57917c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 57927c478bd9Sstevel@tonic-gate resp->array = new_res; 57937c478bd9Sstevel@tonic-gate } 57947c478bd9Sstevel@tonic-gate } 57957c478bd9Sstevel@tonic-gate 57967c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 57977c478bd9Sstevel@tonic-gate 5798f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, &cs, 5799f3b585ceSsamf COMPOUND4res *, resp); 5800f3b585ceSsamf 58017c478bd9Sstevel@tonic-gate if (cs.vp) 58027c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 58037c478bd9Sstevel@tonic-gate if (cs.saved_vp) 58047c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 58057c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 58067c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 58077c478bd9Sstevel@tonic-gate 58087c478bd9Sstevel@tonic-gate if (cs.basecr) 58097c478bd9Sstevel@tonic-gate crfree(cs.basecr); 58107c478bd9Sstevel@tonic-gate if (cs.cr) 58117c478bd9Sstevel@tonic-gate crfree(cs.cr); 581245916cd2Sjpk /* 581345916cd2Sjpk * done with this compound request, free the label 581445916cd2Sjpk */ 581545916cd2Sjpk 581645916cd2Sjpk if (req->rq_label != NULL) { 581745916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 581845916cd2Sjpk req->rq_label = NULL; 581945916cd2Sjpk } 58207c478bd9Sstevel@tonic-gate } 58217c478bd9Sstevel@tonic-gate 58227c478bd9Sstevel@tonic-gate /* 58237c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 58247c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 58257c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 58267c478bd9Sstevel@tonic-gate */ 58277c478bd9Sstevel@tonic-gate void 58287c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 58297c478bd9Sstevel@tonic-gate { 58307c478bd9Sstevel@tonic-gate uint_t i; 58317c478bd9Sstevel@tonic-gate 58327c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 58337c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 58347c478bd9Sstevel@tonic-gate } 58357c478bd9Sstevel@tonic-gate 58367c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 58377c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 58387c478bd9Sstevel@tonic-gate uint_t op; 58397c478bd9Sstevel@tonic-gate 58407c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 58417c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 58427c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 58437c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 58447c478bd9Sstevel@tonic-gate } 58457c478bd9Sstevel@tonic-gate } 58467c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 58477c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 58487c478bd9Sstevel@tonic-gate } 58497c478bd9Sstevel@tonic-gate } 58507c478bd9Sstevel@tonic-gate 58517c478bd9Sstevel@tonic-gate /* 58527c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 58537c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 58547c478bd9Sstevel@tonic-gate */ 58557c478bd9Sstevel@tonic-gate void 58567c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 58577c478bd9Sstevel@tonic-gate { 58587c478bd9Sstevel@tonic-gate int i; 58597c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 58607c478bd9Sstevel@tonic-gate 58617c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 58627c478bd9Sstevel@tonic-gate uint_t op; 58637c478bd9Sstevel@tonic-gate 58647c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 58657c478bd9Sstevel@tonic-gate 58667c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 58677c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 58687c478bd9Sstevel@tonic-gate else 58697c478bd9Sstevel@tonic-gate flag = 0; 58707c478bd9Sstevel@tonic-gate } 58717c478bd9Sstevel@tonic-gate *flagp = flag; 58727c478bd9Sstevel@tonic-gate } 58737c478bd9Sstevel@tonic-gate 58747c478bd9Sstevel@tonic-gate nfsstat4 58757c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 58767c478bd9Sstevel@tonic-gate { 58777c478bd9Sstevel@tonic-gate nfsstat4 e; 58787c478bd9Sstevel@tonic-gate 5879*d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 58807c478bd9Sstevel@tonic-gate 5881*d216dff5SRobert Mastors if (cp->rc_sysidt != LM_NOSYSID) { 5882*d216dff5SRobert Mastors *sp = cp->rc_sysidt; 58837c478bd9Sstevel@tonic-gate e = NFS4_OK; 58847c478bd9Sstevel@tonic-gate 5885*d216dff5SRobert Mastors } else if ((cp->rc_sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 5886*d216dff5SRobert Mastors *sp = cp->rc_sysidt; 58877c478bd9Sstevel@tonic-gate e = NFS4_OK; 58887c478bd9Sstevel@tonic-gate 58897c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 58901b300de9Sjwahlig "rfs4_client_sysid: allocated 0x%x\n", *sp)); 58917c478bd9Sstevel@tonic-gate } else 58927c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 58937c478bd9Sstevel@tonic-gate 5894*d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 58957c478bd9Sstevel@tonic-gate return (e); 58967c478bd9Sstevel@tonic-gate } 58977c478bd9Sstevel@tonic-gate 58987c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 58997c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 59007c478bd9Sstevel@tonic-gate { 59017c478bd9Sstevel@tonic-gate char *op, *type; 59027c478bd9Sstevel@tonic-gate 59037c478bd9Sstevel@tonic-gate switch (operation) { 59047c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 59057c478bd9Sstevel@tonic-gate break; 59067c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 59077c478bd9Sstevel@tonic-gate break; 5908da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 5909da6c28aaSamw break; 59107c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 59117c478bd9Sstevel@tonic-gate break; 59127c478bd9Sstevel@tonic-gate } 59137c478bd9Sstevel@tonic-gate switch (flk->l_type) { 59147c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 59157c478bd9Sstevel@tonic-gate break; 59167c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 59177c478bd9Sstevel@tonic-gate break; 59187c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 59197c478bd9Sstevel@tonic-gate break; 59207c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 59217c478bd9Sstevel@tonic-gate break; 59227c478bd9Sstevel@tonic-gate } 59237c478bd9Sstevel@tonic-gate 59247c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 59257c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 59261b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 59271b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 59287c478bd9Sstevel@tonic-gate } 59297c478bd9Sstevel@tonic-gate 59307c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 59317c478bd9Sstevel@tonic-gate #else 59327c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 59337c478bd9Sstevel@tonic-gate #endif 59347c478bd9Sstevel@tonic-gate 59357c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 59367c478bd9Sstevel@tonic-gate static bool_t 59377c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 59387c478bd9Sstevel@tonic-gate { 59397c478bd9Sstevel@tonic-gate return (TRUE); 59407c478bd9Sstevel@tonic-gate } 59417c478bd9Sstevel@tonic-gate 59427c478bd9Sstevel@tonic-gate /* 59437c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 59447c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 59457c478bd9Sstevel@tonic-gate */ 59467c478bd9Sstevel@tonic-gate 59477c478bd9Sstevel@tonic-gate static nfsstat4 59487c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 5949*d216dff5SRobert Mastors struct compound_state *cs) 59507c478bd9Sstevel@tonic-gate { 59517c478bd9Sstevel@tonic-gate char *nm; 59527c478bd9Sstevel@tonic-gate uint32_t len; 59537c478bd9Sstevel@tonic-gate nfsstat4 status; 59547c478bd9Sstevel@tonic-gate 59557c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 59567c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 59577c478bd9Sstevel@tonic-gate } 59587c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 59597c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 59607c478bd9Sstevel@tonic-gate } 59617c478bd9Sstevel@tonic-gate 59627c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 59637c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59647c478bd9Sstevel@tonic-gate 59657c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 59667c478bd9Sstevel@tonic-gate if (nm == NULL) { 59677c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 59687c478bd9Sstevel@tonic-gate } 59697c478bd9Sstevel@tonic-gate 59707c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 59717c478bd9Sstevel@tonic-gate kmem_free(nm, len); 59727c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 59737c478bd9Sstevel@tonic-gate } 59747c478bd9Sstevel@tonic-gate 59757c478bd9Sstevel@tonic-gate status = do_rfs4_op_lookup(nm, len, req, cs); 59767c478bd9Sstevel@tonic-gate 59777c478bd9Sstevel@tonic-gate kmem_free(nm, len); 59787c478bd9Sstevel@tonic-gate 59797c478bd9Sstevel@tonic-gate return (status); 59807c478bd9Sstevel@tonic-gate } 59817c478bd9Sstevel@tonic-gate 59827c478bd9Sstevel@tonic-gate static nfsstat4 59837c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 5984*d216dff5SRobert Mastors struct compound_state *cs, uint32_t access, change_info4 *cinfo) 59857c478bd9Sstevel@tonic-gate { 59867c478bd9Sstevel@tonic-gate nfsstat4 status; 59877c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 59887c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 59897c478bd9Sstevel@tonic-gate int error; 59907c478bd9Sstevel@tonic-gate 59917c478bd9Sstevel@tonic-gate /* Get "before" change value */ 59927c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 5993da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 59947c478bd9Sstevel@tonic-gate if (error) 59957c478bd9Sstevel@tonic-gate return (puterrno4(error)); 59967c478bd9Sstevel@tonic-gate 59977c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 59987c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 59997c478bd9Sstevel@tonic-gate 60007c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 60017c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 60027c478bd9Sstevel@tonic-gate VN_RELE(dvp); 60037c478bd9Sstevel@tonic-gate return (status); 60047c478bd9Sstevel@tonic-gate } 60057c478bd9Sstevel@tonic-gate 60067c478bd9Sstevel@tonic-gate /* 60077c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 60087c478bd9Sstevel@tonic-gate * before value. 60097c478bd9Sstevel@tonic-gate */ 60107c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6011da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 60127c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 60137c478bd9Sstevel@tonic-gate ava.va_seq = 0; 60147c478bd9Sstevel@tonic-gate } 60157c478bd9Sstevel@tonic-gate VN_RELE(dvp); 60167c478bd9Sstevel@tonic-gate 60177c478bd9Sstevel@tonic-gate /* 60187c478bd9Sstevel@tonic-gate * Validate the file is a file 60197c478bd9Sstevel@tonic-gate */ 60207c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 6021da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 60227c478bd9Sstevel@tonic-gate if (error) 60237c478bd9Sstevel@tonic-gate return (puterrno4(error)); 60247c478bd9Sstevel@tonic-gate 60257c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 60267c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 60277c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 60287c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 60297c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 60307c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60317c478bd9Sstevel@tonic-gate } 60327c478bd9Sstevel@tonic-gate 60337c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 60347c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 60357c478bd9Sstevel@tonic-gate 60367c478bd9Sstevel@tonic-gate /* 60377c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 60387c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 60397c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 60407c478bd9Sstevel@tonic-gate */ 60417c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 60427c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 60437c478bd9Sstevel@tonic-gate else 60447c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 60457c478bd9Sstevel@tonic-gate 60467c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 60477c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 60487c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 60497c478bd9Sstevel@tonic-gate } 60507c478bd9Sstevel@tonic-gate 60517c478bd9Sstevel@tonic-gate static nfsstat4 60527c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 6053*d216dff5SRobert Mastors timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 60547c478bd9Sstevel@tonic-gate { 60557c478bd9Sstevel@tonic-gate int error; 60567c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 60577c478bd9Sstevel@tonic-gate vattr_t va; 60587c478bd9Sstevel@tonic-gate 60597c478bd9Sstevel@tonic-gate tryagain: 60607c478bd9Sstevel@tonic-gate 60617c478bd9Sstevel@tonic-gate /* 60627c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 60637c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 60647c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 60657c478bd9Sstevel@tonic-gate * passed as part of the arguments. 60667c478bd9Sstevel@tonic-gate */ 60677c478bd9Sstevel@tonic-gate 60687c478bd9Sstevel@tonic-gate *created = TRUE; 6069da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 60707c478bd9Sstevel@tonic-gate 60717c478bd9Sstevel@tonic-gate if (error) { 60727c478bd9Sstevel@tonic-gate *created = FALSE; 60737c478bd9Sstevel@tonic-gate 60747c478bd9Sstevel@tonic-gate /* 60757c478bd9Sstevel@tonic-gate * If we got something other than file already exists 60767c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 60777c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 60787c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 60797c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 60807c478bd9Sstevel@tonic-gate * exclusive create request. 60817c478bd9Sstevel@tonic-gate * 60827c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 60837c478bd9Sstevel@tonic-gate * request will never return EEXIST. 60847c478bd9Sstevel@tonic-gate */ 60857c478bd9Sstevel@tonic-gate 60867c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 60877c478bd9Sstevel@tonic-gate status = puterrno4(error); 60887c478bd9Sstevel@tonic-gate return (status); 60897c478bd9Sstevel@tonic-gate } 6090da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 6091da6c28aaSamw NULL, NULL, NULL); 60927c478bd9Sstevel@tonic-gate 60937c478bd9Sstevel@tonic-gate if (error) { 60947c478bd9Sstevel@tonic-gate /* 60957c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 60967c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 60977c478bd9Sstevel@tonic-gate * it again. 60987c478bd9Sstevel@tonic-gate */ 60997c478bd9Sstevel@tonic-gate if (error == ENOENT) 61007c478bd9Sstevel@tonic-gate goto tryagain; 61017c478bd9Sstevel@tonic-gate 61027c478bd9Sstevel@tonic-gate status = puterrno4(error); 61037c478bd9Sstevel@tonic-gate return (status); 61047c478bd9Sstevel@tonic-gate } 61057c478bd9Sstevel@tonic-gate 61067c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 61077c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 61087c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 61097c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 61107c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 61117c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 61127c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 61137c478bd9Sstevel@tonic-gate else 61147c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 61157c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61167c478bd9Sstevel@tonic-gate return (status); 61177c478bd9Sstevel@tonic-gate } 61187c478bd9Sstevel@tonic-gate 61197c478bd9Sstevel@tonic-gate return (NFS4_OK); 61207c478bd9Sstevel@tonic-gate } 61217c478bd9Sstevel@tonic-gate 61227c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 61237c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 61247c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 6125da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 61267c478bd9Sstevel@tonic-gate if (!error) { 61277c478bd9Sstevel@tonic-gate /* We found the file */ 61287c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 61297c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 61307c478bd9Sstevel@tonic-gate /* but its not our creation */ 61317c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61327c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 61337c478bd9Sstevel@tonic-gate } 61347c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 61357c478bd9Sstevel@tonic-gate return (NFS4_OK); 61367c478bd9Sstevel@tonic-gate } 61377c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 61387c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 61397c478bd9Sstevel@tonic-gate } 61407c478bd9Sstevel@tonic-gate 61417c478bd9Sstevel@tonic-gate return (NFS4_OK); 61427c478bd9Sstevel@tonic-gate } 61437c478bd9Sstevel@tonic-gate 61447c478bd9Sstevel@tonic-gate static nfsstat4 6145*d216dff5SRobert Mastors check_open_access(uint32_t access, struct compound_state *cs, 6146*d216dff5SRobert Mastors struct svc_req *req) 61477c478bd9Sstevel@tonic-gate { 61487c478bd9Sstevel@tonic-gate int error; 61497c478bd9Sstevel@tonic-gate vnode_t *vp; 61507c478bd9Sstevel@tonic-gate bool_t readonly; 61517c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 61527c478bd9Sstevel@tonic-gate 61537c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 61547c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 61557c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 61567c478bd9Sstevel@tonic-gate } 61577c478bd9Sstevel@tonic-gate 61587c478bd9Sstevel@tonic-gate vp = cs->vp; 61597c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 61607c478bd9Sstevel@tonic-gate 61617c478bd9Sstevel@tonic-gate /* 61627c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 61637c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 61647c478bd9Sstevel@tonic-gate */ 61657c478bd9Sstevel@tonic-gate 61667c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 61677c478bd9Sstevel@tonic-gate 61687c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 61697c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 61707c478bd9Sstevel@tonic-gate 61717c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 6172da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 6173da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 61747c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 61757c478bd9Sstevel@tonic-gate } 61767c478bd9Sstevel@tonic-gate } 61777c478bd9Sstevel@tonic-gate 61787c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 6179da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 61807c478bd9Sstevel@tonic-gate if (error) 61817c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 61827c478bd9Sstevel@tonic-gate } 61837c478bd9Sstevel@tonic-gate 61847c478bd9Sstevel@tonic-gate return (NFS4_OK); 61857c478bd9Sstevel@tonic-gate } 61867c478bd9Sstevel@tonic-gate 61877c478bd9Sstevel@tonic-gate static nfsstat4 61887c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 6189*d216dff5SRobert Mastors change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 61907c478bd9Sstevel@tonic-gate { 61917c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 61927c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 61937c478bd9Sstevel@tonic-gate 61947c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 61957c478bd9Sstevel@tonic-gate struct statvfs64 sb; 61967c478bd9Sstevel@tonic-gate nfsstat4 status; 61977c478bd9Sstevel@tonic-gate vnode_t *vp; 61987c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 61997c478bd9Sstevel@tonic-gate vnode_t *dvp; 62007c478bd9Sstevel@tonic-gate timespec32_t *mtime; 62017c478bd9Sstevel@tonic-gate char *nm = NULL; 62027c478bd9Sstevel@tonic-gate uint_t buflen; 62037c478bd9Sstevel@tonic-gate bool_t created; 62047c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 62057c478bd9Sstevel@tonic-gate len_t reqsize; 62067c478bd9Sstevel@tonic-gate int error; 62077c478bd9Sstevel@tonic-gate bool_t trunc; 62087c478bd9Sstevel@tonic-gate caller_context_t ct; 62097c478bd9Sstevel@tonic-gate component4 *component; 621045916cd2Sjpk bslabel_t *clabel; 6211b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 6212b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 62137c478bd9Sstevel@tonic-gate 62147c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 62157c478bd9Sstevel@tonic-gate 62167c478bd9Sstevel@tonic-gate dvp = cs->vp; 62177c478bd9Sstevel@tonic-gate 62187c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 62197c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 62207c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 62217c478bd9Sstevel@tonic-gate 622245916cd2Sjpk /* check the label of including directory */ 622345916cd2Sjpk if (is_system_labeled()) { 622445916cd2Sjpk ASSERT(req->rq_label != NULL); 622545916cd2Sjpk clabel = req->rq_label; 622645916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 622745916cd2Sjpk "got client label from request(1)", 622845916cd2Sjpk struct svc_req *, req); 622945916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 6230bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK, 6231bd6f1640SJarrett Lu cs->exi)) { 623245916cd2Sjpk return (NFS4ERR_ACCESS); 623345916cd2Sjpk } 623445916cd2Sjpk } 623545916cd2Sjpk } 623645916cd2Sjpk 62377c478bd9Sstevel@tonic-gate /* 62387c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 62397c478bd9Sstevel@tonic-gate * the including directory on success. 62407c478bd9Sstevel@tonic-gate */ 62417c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 62427c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 62437c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 62447c478bd9Sstevel@tonic-gate 62457c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 62467c478bd9Sstevel@tonic-gate 62477c478bd9Sstevel@tonic-gate if (nm == NULL) 62487c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 62497c478bd9Sstevel@tonic-gate 62507c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 62517c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62527c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 62537c478bd9Sstevel@tonic-gate } 62547c478bd9Sstevel@tonic-gate 62557c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 6256da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 62577c478bd9Sstevel@tonic-gate if (error) { 62587c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62597c478bd9Sstevel@tonic-gate return (puterrno4(error)); 62607c478bd9Sstevel@tonic-gate } 62617c478bd9Sstevel@tonic-gate 62627c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 62637c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62647c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 62657c478bd9Sstevel@tonic-gate } 62667c478bd9Sstevel@tonic-gate 62677c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 62687c478bd9Sstevel@tonic-gate 62697c478bd9Sstevel@tonic-gate switch (args->mode) { 62707c478bd9Sstevel@tonic-gate case GUARDED4: 62717c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 62727c478bd9Sstevel@tonic-gate case UNCHECKED4: 62737c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 62747c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 62757c478bd9Sstevel@tonic-gate 62767c478bd9Sstevel@tonic-gate *attrset = 0; 62777c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 62781b300de9Sjwahlig &args->createhow4_u.createattrs, 62791b300de9Sjwahlig cs, &sarg, &ntov, NFS4ATTR_SETIT); 62807c478bd9Sstevel@tonic-gate 62817c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 62827c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 62837c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 62847c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 62857c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 62867c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 62877c478bd9Sstevel@tonic-gate else 62887c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 62897c478bd9Sstevel@tonic-gate } 62907c478bd9Sstevel@tonic-gate 62917c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 62927c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 62937c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 62947c478bd9Sstevel@tonic-gate *attrset = 0; 62957c478bd9Sstevel@tonic-gate return (status); 62967c478bd9Sstevel@tonic-gate } 62977c478bd9Sstevel@tonic-gate 62987c478bd9Sstevel@tonic-gate vap = sarg.vap; 62997c478bd9Sstevel@tonic-gate vap->va_type = VREG; 63007c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 63017c478bd9Sstevel@tonic-gate 63027c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 63037c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 63047c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 63057c478bd9Sstevel@tonic-gate } 63067c478bd9Sstevel@tonic-gate 63077c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 63087c478bd9Sstevel@tonic-gate 63097c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 63107c478bd9Sstevel@tonic-gate 63117c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 63127c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63137c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 63147c478bd9Sstevel@tonic-gate *attrset = 0; 63157c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63167c478bd9Sstevel@tonic-gate } 63177c478bd9Sstevel@tonic-gate setsize = TRUE; 63187c478bd9Sstevel@tonic-gate } 63197c478bd9Sstevel@tonic-gate break; 63207c478bd9Sstevel@tonic-gate 63217c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 63227c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 63237c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 63247c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63257c478bd9Sstevel@tonic-gate *attrset = 0; 63267c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63277c478bd9Sstevel@tonic-gate } 63287c478bd9Sstevel@tonic-gate 63297c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 63307c478bd9Sstevel@tonic-gate cva.va_type = VREG; 63317c478bd9Sstevel@tonic-gate /* 63327c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 63337c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 63347c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 63357c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 63367c478bd9Sstevel@tonic-gate */ 63377c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 63387c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 63397c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 63407c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 63417c478bd9Sstevel@tonic-gate vap = &cva; 63427c478bd9Sstevel@tonic-gate break; 63437c478bd9Sstevel@tonic-gate } 63447c478bd9Sstevel@tonic-gate 6345b89a8333Snatalie li - Sun Microsystems - Irvine United States /* If necessary, convert to UTF-8 for illbehaved clients */ 6346b89a8333Snatalie li - Sun Microsystems - Irvine United States 6347b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6348b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6349b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 6350b89a8333Snatalie li - Sun Microsystems - Irvine United States 6351b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 6352b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, buflen); 6353b89a8333Snatalie li - Sun Microsystems - Irvine United States return (NFS4ERR_SERVERFAULT); 6354b89a8333Snatalie li - Sun Microsystems - Irvine United States } 6355b89a8333Snatalie li - Sun Microsystems - Irvine United States 6356b89a8333Snatalie li - Sun Microsystems - Irvine United States status = create_vnode(dvp, name, vap, args->mode, mtime, 63571b300de9Sjwahlig cs->cr, &vp, &created); 6358b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 6359b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 63607c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63617c478bd9Sstevel@tonic-gate 63627c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 63637c478bd9Sstevel@tonic-gate if (ntov_table_init) 63647c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 63657c478bd9Sstevel@tonic-gate *attrset = 0; 63667c478bd9Sstevel@tonic-gate return (status); 63677c478bd9Sstevel@tonic-gate } 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 63707c478bd9Sstevel@tonic-gate 63717c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 63727c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 63737c478bd9Sstevel@tonic-gate 63747c478bd9Sstevel@tonic-gate /* 63757c478bd9Sstevel@tonic-gate * True verification that object was created with correct 63767c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 63777c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 63787c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 63797c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 63807c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 63817c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 63827c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 63837c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 63847c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 63857c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 63867c478bd9Sstevel@tonic-gate * 63877c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 63887c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 63897c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 63907c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 63917c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 63927c478bd9Sstevel@tonic-gate */ 63937c478bd9Sstevel@tonic-gate if (created) { 63947c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 63957c478bd9Sstevel@tonic-gate *attrset &= createmask; 63967c478bd9Sstevel@tonic-gate } else { 63977c478bd9Sstevel@tonic-gate /* 63987c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 63997c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 64007c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 64017c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 64027c478bd9Sstevel@tonic-gate */ 64037c478bd9Sstevel@tonic-gate *attrset = 0; 64047c478bd9Sstevel@tonic-gate if (trunc) 64057c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 64067c478bd9Sstevel@tonic-gate } 64077c478bd9Sstevel@tonic-gate } 64087c478bd9Sstevel@tonic-gate if (ntov_table_init) 64097c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64107c478bd9Sstevel@tonic-gate 64117c478bd9Sstevel@tonic-gate /* 64127c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 64137c478bd9Sstevel@tonic-gate * set to zero, time to before. 64147c478bd9Sstevel@tonic-gate */ 64157c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 6416da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 64177c478bd9Sstevel@tonic-gate iva.va_seq = 0; 64187c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 64197c478bd9Sstevel@tonic-gate } 64207c478bd9Sstevel@tonic-gate 64217c478bd9Sstevel@tonic-gate /* 64227c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 64237c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 64247c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 64257c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 64267c478bd9Sstevel@tonic-gate * we don't know what changed it. 64277c478bd9Sstevel@tonic-gate */ 64287c478bd9Sstevel@tonic-gate if (!created) { 64297c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 64301b300de9Sjwahlig bva.va_seq == iva.va_seq) 64317c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 64327c478bd9Sstevel@tonic-gate else 64337c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 64347c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 64357c478bd9Sstevel@tonic-gate } else { 64367c478bd9Sstevel@tonic-gate /* 64377c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 64387c478bd9Sstevel@tonic-gate * directory metadata. 64397c478bd9Sstevel@tonic-gate */ 6440da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 64417c478bd9Sstevel@tonic-gate 64427c478bd9Sstevel@tonic-gate /* 64437c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 64447c478bd9Sstevel@tonic-gate * before value. 64457c478bd9Sstevel@tonic-gate */ 64467c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6447da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 64487c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 64497c478bd9Sstevel@tonic-gate ava.va_seq = 0; 64507c478bd9Sstevel@tonic-gate } 64517c478bd9Sstevel@tonic-gate 64527c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 64537c478bd9Sstevel@tonic-gate 64547c478bd9Sstevel@tonic-gate /* 64557c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 64567c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 64577c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 64587c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 64597c478bd9Sstevel@tonic-gate */ 64607c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 64611b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 64627c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 64637c478bd9Sstevel@tonic-gate else 64647c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 64657c478bd9Sstevel@tonic-gate } 64667c478bd9Sstevel@tonic-gate 64677c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 64687c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 64697c478bd9Sstevel@tonic-gate if (setsize) 64707c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 64717c478bd9Sstevel@tonic-gate 64727c478bd9Sstevel@tonic-gate /* Assume the worst */ 64737c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 64747c478bd9Sstevel@tonic-gate 6475da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 64767c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 64777c478bd9Sstevel@tonic-gate 64787c478bd9Sstevel@tonic-gate /* 64797c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 64807c478bd9Sstevel@tonic-gate * the case for create over an existing file. 64817c478bd9Sstevel@tonic-gate */ 64827c478bd9Sstevel@tonic-gate 64837c478bd9Sstevel@tonic-gate if (trunc) { 64847c478bd9Sstevel@tonic-gate int in_crit = 0; 64857c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 64867c478bd9Sstevel@tonic-gate bool_t create = FALSE; 64877c478bd9Sstevel@tonic-gate 64887c478bd9Sstevel@tonic-gate /* 64897c478bd9Sstevel@tonic-gate * We are writing over an existing file. 64907c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 64917c478bd9Sstevel@tonic-gate */ 64927c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 64937c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 64947c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 64951b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 64967c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 64977c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 64987c478bd9Sstevel@tonic-gate VN_RELE(vp); 64997c478bd9Sstevel@tonic-gate *attrset = 0; 65007c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 65017c478bd9Sstevel@tonic-gate } 65027c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 65037c478bd9Sstevel@tonic-gate } 65047c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 65057c478bd9Sstevel@tonic-gate 65067c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 65077c478bd9Sstevel@tonic-gate in_crit = 1; 65087c478bd9Sstevel@tonic-gate 65097c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 65107c478bd9Sstevel@tonic-gate 65117c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 65127c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6513da6c28aaSamw cva.va_size, 0, NULL)) { 65147c478bd9Sstevel@tonic-gate in_crit = 0; 65157c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 65167c478bd9Sstevel@tonic-gate VN_RELE(vp); 65177c478bd9Sstevel@tonic-gate *attrset = 0; 65187c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 65197c478bd9Sstevel@tonic-gate } 65207c478bd9Sstevel@tonic-gate } 65217c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 65227c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 65237c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 652462b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 65257c478bd9Sstevel@tonic-gate 65267c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 65277c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 65287c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 65297c478bd9Sstevel@tonic-gate if (in_crit) 65307c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 65317c478bd9Sstevel@tonic-gate } 65327c478bd9Sstevel@tonic-gate } 65337c478bd9Sstevel@tonic-gate 65347c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 65357c478bd9Sstevel@tonic-gate 65367c478bd9Sstevel@tonic-gate /* 65377c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 65387c478bd9Sstevel@tonic-gate */ 6539da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 65407c478bd9Sstevel@tonic-gate 65417c478bd9Sstevel@tonic-gate if (error) { 65427c478bd9Sstevel@tonic-gate VN_RELE(vp); 65437c478bd9Sstevel@tonic-gate *attrset = 0; 65447c478bd9Sstevel@tonic-gate return (puterrno4(error)); 65457c478bd9Sstevel@tonic-gate } 65467c478bd9Sstevel@tonic-gate 65477c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 65487c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 65497c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 65507c478bd9Sstevel@tonic-gate 65517c478bd9Sstevel@tonic-gate if (cs->vp) 65527c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 65537c478bd9Sstevel@tonic-gate 65547c478bd9Sstevel@tonic-gate cs->vp = vp; 65557c478bd9Sstevel@tonic-gate 65567c478bd9Sstevel@tonic-gate /* 65577c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 65587c478bd9Sstevel@tonic-gate * the access bits on the file 65597c478bd9Sstevel@tonic-gate */ 65607c478bd9Sstevel@tonic-gate 65617c478bd9Sstevel@tonic-gate if (!created) { 65627c478bd9Sstevel@tonic-gate if (setsize) 65637c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 65647c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 65657c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 65667c478bd9Sstevel@tonic-gate *attrset = 0; 65677c478bd9Sstevel@tonic-gate } 65687c478bd9Sstevel@tonic-gate return (status); 65697c478bd9Sstevel@tonic-gate } 65707c478bd9Sstevel@tonic-gate 65717c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 65727c478bd9Sstevel@tonic-gate static void 65737c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 6574*d216dff5SRobert Mastors rfs4_openowner_t *oo, delegreq_t deleg, 6575*d216dff5SRobert Mastors uint32_t access, uint32_t deny, 6576*d216dff5SRobert Mastors OPEN4res *resp, int deleg_cur) 65777c478bd9Sstevel@tonic-gate { 65787c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 6579*d216dff5SRobert Mastors rfs4_state_t *sp; 6580*d216dff5SRobert Mastors rfs4_file_t *fp; 65817c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 65827c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 65837c478bd9Sstevel@tonic-gate uint32_t amodes; 65847c478bd9Sstevel@tonic-gate uint32_t dmodes; 65857c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 65867c478bd9Sstevel@tonic-gate sysid_t sysid; 65877c478bd9Sstevel@tonic-gate nfsstat4 status; 6588da6c28aaSamw caller_context_t ct; 65897c478bd9Sstevel@tonic-gate int fflags = 0; 65907c478bd9Sstevel@tonic-gate int recall = 0; 65917c478bd9Sstevel@tonic-gate int err; 6592*d216dff5SRobert Mastors int first_open; 65937c478bd9Sstevel@tonic-gate 65947c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 6595*d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 6596*d216dff5SRobert Mastors if (fp == NULL) { 65977c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 65981b300de9Sjwahlig (CE_NOTE, "rfs4_do_open: can't find file")); 65997c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 66007c478bd9Sstevel@tonic-gate return; 66017c478bd9Sstevel@tonic-gate } 66027c478bd9Sstevel@tonic-gate 6603*d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &screate); 6604*d216dff5SRobert Mastors if (sp == NULL) { 66057c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 66061b300de9Sjwahlig (CE_NOTE, "rfs4_do_open: can't find state")); 66077c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 66087c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 6609*d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 6610*d216dff5SRobert Mastors rfs4_file_rele(fp); 66117c478bd9Sstevel@tonic-gate return; 66127c478bd9Sstevel@tonic-gate } 66137c478bd9Sstevel@tonic-gate 6614fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 6615*d216dff5SRobert Mastors if ((status = rfs4_client_sysid(oo->ro_client, &sysid)) != NFS4_OK) { 66167c478bd9Sstevel@tonic-gate resp->status = status; 6617*d216dff5SRobert Mastors rfs4_file_rele(fp); 66187c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 66197c478bd9Sstevel@tonic-gate if (screate == TRUE) 6620*d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6621*d216dff5SRobert Mastors rfs4_state_rele(sp); 66227c478bd9Sstevel@tonic-gate return; 66237c478bd9Sstevel@tonic-gate } 66247c478bd9Sstevel@tonic-gate 6625da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6626da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6627da6c28aaSamw fflags |= FREAD; 6628da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6629da6c28aaSamw fflags |= FWRITE; 6630da6c28aaSamw 6631*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6632*d216dff5SRobert Mastors 6633fd93bfc3Sjwahlig /* 6634fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6635fd93bfc3Sjwahlig * the file for this open owner; 6636fd93bfc3Sjwahlig */ 6637*d216dff5SRobert Mastors dmodes = (deny & ~sp->rs_share_deny); 6638*d216dff5SRobert Mastors amodes = (access & ~sp->rs_share_access); 6639*d216dff5SRobert Mastors 6640*d216dff5SRobert Mastors first_open = (sp->rs_share_access & OPEN4_SHARE_ACCESS_BOTH) == 0; 66417c478bd9Sstevel@tonic-gate 6642fd93bfc3Sjwahlig /* 6643fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6644fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6645fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6646fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6647fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6648fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6649fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6650fd93bfc3Sjwahlig * on shares modes. 6651fd93bfc3Sjwahlig */ 66527c478bd9Sstevel@tonic-gate 6653fd93bfc3Sjwahlig if (dmodes || amodes) { 6654*d216dff5SRobert Mastors if ((err = rfs4_share(sp, access, deny)) != 0) { 6655*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6656*d216dff5SRobert Mastors resp->status = err; 6657*d216dff5SRobert Mastors 6658*d216dff5SRobert Mastors rfs4_file_rele(fp); 6659fd93bfc3Sjwahlig /* Not a fully formed open; "close" it */ 6660fd93bfc3Sjwahlig if (screate == TRUE) 6661*d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6662*d216dff5SRobert Mastors rfs4_state_rele(sp); 6663fd93bfc3Sjwahlig return; 6664fd93bfc3Sjwahlig } 66657c478bd9Sstevel@tonic-gate } 66667c478bd9Sstevel@tonic-gate 6667*d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 66687c478bd9Sstevel@tonic-gate 66697c478bd9Sstevel@tonic-gate /* 66707c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 66717c478bd9Sstevel@tonic-gate * recall needs to be done. 66727c478bd9Sstevel@tonic-gate */ 6673*d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6674*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6675*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6676*d216dff5SRobert Mastors rfs4_recall_deleg(fp, FALSE, sp->rs_owner->ro_client); 66777c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 6678*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6679*d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 66807c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 6681*d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6682*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6683*d216dff5SRobert Mastors if (dmodes || amodes) 6684*d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6685*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6686*d216dff5SRobert Mastors rfs4_file_rele(fp); 6687*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 6688*d216dff5SRobert Mastors 66897c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 66907c478bd9Sstevel@tonic-gate if (screate == TRUE) 6691*d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6692*d216dff5SRobert Mastors rfs4_state_rele(sp); 66937c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 66947c478bd9Sstevel@tonic-gate return; 66957c478bd9Sstevel@tonic-gate } 66967c478bd9Sstevel@tonic-gate } 6697da6c28aaSamw /* 6698da6c28aaSamw * the share check passed and any delegation conflict has been 6699da6c28aaSamw * taken care of, now call vop_open. 6700da6c28aaSamw * if this is the first open then call vop_open with fflags. 6701da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6702da6c28aaSamw * 6703da6c28aaSamw * if the file has been opened already, it will have the current 6704da6c28aaSamw * access mode in the state struct. if it has no share access, then 6705da6c28aaSamw * this is a new open. 6706da6c28aaSamw * 6707da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6708da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6709da6c28aaSamw */ 6710*d216dff5SRobert Mastors if (first_open && !deleg_cur) { 6711da6c28aaSamw ct.cc_sysid = sysid; 6712*d216dff5SRobert Mastors ct.cc_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 6713da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 671462b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 6715da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6716da6c28aaSamw if (err) { 6717*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6718*d216dff5SRobert Mastors if (dmodes || amodes) 6719*d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6720*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6721*d216dff5SRobert Mastors rfs4_file_rele(fp); 6722*d216dff5SRobert Mastors 6723da6c28aaSamw /* Not a fully formed open; "close" it */ 6724da6c28aaSamw if (screate == TRUE) 6725*d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6726*d216dff5SRobert Mastors rfs4_state_rele(sp); 6727335fb9e6Sjwahlig /* check if a monitor detected a delegation conflict */ 6728335fb9e6Sjwahlig if (err == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 6729335fb9e6Sjwahlig resp->status = NFS4ERR_DELAY; 6730335fb9e6Sjwahlig else 6731335fb9e6Sjwahlig resp->status = NFS4ERR_SERVERFAULT; 6732da6c28aaSamw return; 6733da6c28aaSamw } 6734da6c28aaSamw } else { /* open upgrade */ 6735da6c28aaSamw /* 6736da6c28aaSamw * calculate the fflags for the new mode that is being added 6737da6c28aaSamw * by this upgrade. 6738da6c28aaSamw */ 6739da6c28aaSamw fflags = 0; 6740da6c28aaSamw if (amodes & OPEN4_SHARE_ACCESS_READ) 6741da6c28aaSamw fflags |= FREAD; 6742da6c28aaSamw if (amodes & OPEN4_SHARE_ACCESS_WRITE) 6743da6c28aaSamw fflags |= FWRITE; 6744da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6745da6c28aaSamw } 67467c478bd9Sstevel@tonic-gate 67477c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_READ) 6748*d216dff5SRobert Mastors fp->rf_deny_read++; 67497c478bd9Sstevel@tonic-gate if (dmodes & OPEN4_SHARE_DENY_WRITE) 6750*d216dff5SRobert Mastors fp->rf_deny_write++; 6751*d216dff5SRobert Mastors fp->rf_share_deny |= deny; 67527c478bd9Sstevel@tonic-gate 67537c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_READ) 6754*d216dff5SRobert Mastors fp->rf_access_read++; 67557c478bd9Sstevel@tonic-gate if (amodes & OPEN4_SHARE_ACCESS_WRITE) 6756*d216dff5SRobert Mastors fp->rf_access_write++; 6757*d216dff5SRobert Mastors fp->rf_share_access |= access; 67587c478bd9Sstevel@tonic-gate 67597c478bd9Sstevel@tonic-gate /* 67607c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 67617c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 67627c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 67637c478bd9Sstevel@tonic-gate * set the recall flag. 67647c478bd9Sstevel@tonic-gate */ 67657c478bd9Sstevel@tonic-gate 6766*d216dff5SRobert Mastors dsp = rfs4_grant_delegation(deleg, sp, &recall); 67677c478bd9Sstevel@tonic-gate 6768*d216dff5SRobert Mastors cs->deleg = (fp->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE); 67697c478bd9Sstevel@tonic-gate 6770*d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 67717c478bd9Sstevel@tonic-gate 6772*d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 67737c478bd9Sstevel@tonic-gate 6774*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6775*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 67767c478bd9Sstevel@tonic-gate 67777c478bd9Sstevel@tonic-gate if (dsp) { 67787c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 67797c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 67807c478bd9Sstevel@tonic-gate } 67817c478bd9Sstevel@tonic-gate 6782*d216dff5SRobert Mastors rfs4_file_rele(fp); 6783*d216dff5SRobert Mastors rfs4_state_rele(sp); 67847c478bd9Sstevel@tonic-gate 67857c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 67867c478bd9Sstevel@tonic-gate } 67877c478bd9Sstevel@tonic-gate 67887c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 67897c478bd9Sstevel@tonic-gate static void 67907c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 6791*d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 67927c478bd9Sstevel@tonic-gate { 67937c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 67947c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 67957c478bd9Sstevel@tonic-gate 67967c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 67977c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 67981b300de9Sjwahlig req, cs, args->share_access, cinfo); 67997c478bd9Sstevel@tonic-gate else { 68007c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 68017c478bd9Sstevel@tonic-gate 68027c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 68037c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 68047c478bd9Sstevel@tonic-gate 68057c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 6806*d216dff5SRobert Mastors oo->ro_client->rc_clientid); 68077c478bd9Sstevel@tonic-gate } 68087c478bd9Sstevel@tonic-gate 68097c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 68107c478bd9Sstevel@tonic-gate 68117c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 68127c478bd9Sstevel@tonic-gate 68137c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_ANY, args->share_access, 6814da6c28aaSamw args->share_deny, resp, 0); 68157c478bd9Sstevel@tonic-gate 68167c478bd9Sstevel@tonic-gate /* 68177c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 68187c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 68197c478bd9Sstevel@tonic-gate */ 68207c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 68217c478bd9Sstevel@tonic-gate resp->attrset = 0; 68227c478bd9Sstevel@tonic-gate } 68237c478bd9Sstevel@tonic-gate } 68247c478bd9Sstevel@tonic-gate else 68257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 68267c478bd9Sstevel@tonic-gate 68277c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 68287c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 68297c478bd9Sstevel@tonic-gate } 68307c478bd9Sstevel@tonic-gate 68317c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 68327c478bd9Sstevel@tonic-gate static void 68337c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 6834*d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 68357c478bd9Sstevel@tonic-gate { 68367c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 68377c478bd9Sstevel@tonic-gate vattr_t va; 68387c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 68397c478bd9Sstevel@tonic-gate int error = 0; 68407c478bd9Sstevel@tonic-gate 68417c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 68427c478bd9Sstevel@tonic-gate if (v_type != VREG) { 68437c478bd9Sstevel@tonic-gate if (v_type == VDIR) 68447c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 68457c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 68467c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 68477c478bd9Sstevel@tonic-gate else 68487c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 68497c478bd9Sstevel@tonic-gate return; 68507c478bd9Sstevel@tonic-gate } 68517c478bd9Sstevel@tonic-gate 68527c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 6853da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 68547c478bd9Sstevel@tonic-gate if (error) { 68557c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 68567c478bd9Sstevel@tonic-gate return; 68577c478bd9Sstevel@tonic-gate } 68587c478bd9Sstevel@tonic-gate 68597c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 68607c478bd9Sstevel@tonic-gate 68617c478bd9Sstevel@tonic-gate /* 68627c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 68637c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 68647c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 68657c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 68667c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 68677c478bd9Sstevel@tonic-gate */ 68687c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 68697c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 68707c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 68717c478bd9Sstevel@tonic-gate return; 68727c478bd9Sstevel@tonic-gate } 68737c478bd9Sstevel@tonic-gate } 68747c478bd9Sstevel@tonic-gate 68757c478bd9Sstevel@tonic-gate /* 68767c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 68777c478bd9Sstevel@tonic-gate */ 68787c478bd9Sstevel@tonic-gate cinfo->before = 0; 68797c478bd9Sstevel@tonic-gate cinfo->after = 0; 68807c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 68817c478bd9Sstevel@tonic-gate 68827c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 68831b300de9Sjwahlig NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 6884da6c28aaSamw args->share_access, args->share_deny, resp, 0); 68857c478bd9Sstevel@tonic-gate } 68867c478bd9Sstevel@tonic-gate 68877c478bd9Sstevel@tonic-gate static void 68887c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 6889*d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 68907c478bd9Sstevel@tonic-gate { 68917c478bd9Sstevel@tonic-gate int error; 68927c478bd9Sstevel@tonic-gate nfsstat4 status; 68937c478bd9Sstevel@tonic-gate stateid4 stateid = 68941b300de9Sjwahlig args->open_claim4_u.delegate_cur_info.delegate_stateid; 68957c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 68967c478bd9Sstevel@tonic-gate 68977c478bd9Sstevel@tonic-gate /* 68987c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 68997c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 69007c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 69017c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 69027c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 69037c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 69047c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 69057c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 69067c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 69077c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 69087c478bd9Sstevel@tonic-gate */ 69097c478bd9Sstevel@tonic-gate 69107c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 69117c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 69127c478bd9Sstevel@tonic-gate resp->status = status; 69137c478bd9Sstevel@tonic-gate return; 69147c478bd9Sstevel@tonic-gate } 69157c478bd9Sstevel@tonic-gate 6916*d216dff5SRobert Mastors ASSERT(dsp->rds_finfo->rf_dinfo.rd_dtype != OPEN_DELEGATE_NONE); 69177c478bd9Sstevel@tonic-gate 69187c478bd9Sstevel@tonic-gate /* 69197c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 69207c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 69217c478bd9Sstevel@tonic-gate */ 69227c478bd9Sstevel@tonic-gate 69237c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 69247c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 6925*d216dff5SRobert Mastors VN_HOLD(dsp->rds_finfo->rf_vp); 6926*d216dff5SRobert Mastors cs->vp = dsp->rds_finfo->rf_vp; 69277c478bd9Sstevel@tonic-gate 69287c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 69297c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 69317c478bd9Sstevel@tonic-gate return; 69327c478bd9Sstevel@tonic-gate } 69337c478bd9Sstevel@tonic-gate 69347c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 6935*d216dff5SRobert Mastors dsp->rds_finfo->rf_dinfo.rd_time_lastwrite = gethrestime_sec(); 69367c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69377c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 6938da6c28aaSamw args->share_access, args->share_deny, resp, 1); 69397c478bd9Sstevel@tonic-gate } 69407c478bd9Sstevel@tonic-gate 69417c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69427c478bd9Sstevel@tonic-gate static void 69437c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 6944*d216dff5SRobert Mastors OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69457c478bd9Sstevel@tonic-gate { 69467c478bd9Sstevel@tonic-gate /* 69477c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 69487c478bd9Sstevel@tonic-gate * was delegated. 69497c478bd9Sstevel@tonic-gate * 69507c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 69517c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 69527c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 69537c478bd9Sstevel@tonic-gate * 69547c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 69557c478bd9Sstevel@tonic-gate */ 6956*d216dff5SRobert Mastors rfs4_file_t *fp; 6957*d216dff5SRobert Mastors rfs4_state_t *sp; 69587c478bd9Sstevel@tonic-gate bool_t create = FALSE; 69597c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 69607c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 69617c478bd9Sstevel@tonic-gate nfsace4 *ace; 69627c478bd9Sstevel@tonic-gate 69637c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 69647c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 69651b300de9Sjwahlig req, cs, args->share_access, &resp->cinfo); 69667c478bd9Sstevel@tonic-gate 69677c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 69687c478bd9Sstevel@tonic-gate return; 69697c478bd9Sstevel@tonic-gate } 69707c478bd9Sstevel@tonic-gate 69717c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 6972*d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, NULL, &create); 6973*d216dff5SRobert Mastors if (fp == NULL) { 69747c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 69751b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: can't find file")); 69767c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 69777c478bd9Sstevel@tonic-gate return; 69787c478bd9Sstevel@tonic-gate } 69797c478bd9Sstevel@tonic-gate 6980*d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &create); 6981*d216dff5SRobert Mastors if (sp == NULL) { 69827c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 69831b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: can't find state")); 69847c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 6985*d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 6986*d216dff5SRobert Mastors rfs4_file_rele(fp); 69877c478bd9Sstevel@tonic-gate return; 69887c478bd9Sstevel@tonic-gate } 69897c478bd9Sstevel@tonic-gate 6990*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6991*d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 6992*d216dff5SRobert Mastors if (args->share_access != sp->rs_share_access || 6993*d216dff5SRobert Mastors args->share_deny != sp->rs_share_deny || 6994*d216dff5SRobert Mastors sp->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_NONE) { 69957c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 69961b300de9Sjwahlig (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 6997*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6998*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6999*d216dff5SRobert Mastors rfs4_file_rele(fp); 7000*d216dff5SRobert Mastors rfs4_state_rele(sp); 70017c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 70027c478bd9Sstevel@tonic-gate return; 70037c478bd9Sstevel@tonic-gate } 7004*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7005*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 70067c478bd9Sstevel@tonic-gate 7007*d216dff5SRobert Mastors dsp = rfs4_finddeleg(sp, &dcreate); 70087c478bd9Sstevel@tonic-gate if (dsp == NULL) { 7009*d216dff5SRobert Mastors rfs4_state_rele(sp); 7010*d216dff5SRobert Mastors rfs4_file_rele(fp); 70117c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 70127c478bd9Sstevel@tonic-gate return; 70137c478bd9Sstevel@tonic-gate } 70147c478bd9Sstevel@tonic-gate 7015*d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 70167c478bd9Sstevel@tonic-gate 7017*d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 70187c478bd9Sstevel@tonic-gate 7019*d216dff5SRobert Mastors resp->delegation.delegation_type = dsp->rds_dtype; 70207c478bd9Sstevel@tonic-gate 7021*d216dff5SRobert Mastors if (dsp->rds_dtype == OPEN_DELEGATE_READ) { 70227c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 70231b300de9Sjwahlig &resp->delegation.open_delegation4_u.read; 70247c478bd9Sstevel@tonic-gate 7025*d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 70267c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 70277c478bd9Sstevel@tonic-gate ace = &rv->permissions; 70287c478bd9Sstevel@tonic-gate } else { 70297c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 70301b300de9Sjwahlig &resp->delegation.open_delegation4_u.write; 70317c478bd9Sstevel@tonic-gate 7032*d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 70337c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 70347c478bd9Sstevel@tonic-gate ace = &rv->permissions; 70357c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 70367c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 70377c478bd9Sstevel@tonic-gate } 70387c478bd9Sstevel@tonic-gate 70397c478bd9Sstevel@tonic-gate /* XXX For now */ 70407c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 70417c478bd9Sstevel@tonic-gate ace->flag = 0; 70427c478bd9Sstevel@tonic-gate ace->access_mask = 0; 70437c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 70447c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 70457c478bd9Sstevel@tonic-gate 70467c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 7047*d216dff5SRobert Mastors rfs4_state_rele(sp); 7048*d216dff5SRobert Mastors rfs4_file_rele(fp); 70497c478bd9Sstevel@tonic-gate } 70507c478bd9Sstevel@tonic-gate 70517c478bd9Sstevel@tonic-gate typedef enum { 70527c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 70537c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 70547c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 70557c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 70567c478bd9Sstevel@tonic-gate 70577c478bd9Sstevel@tonic-gate /* 70587c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 70597c478bd9Sstevel@tonic-gate */ 70607c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 70617c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 7062*d216dff5SRobert Mastors seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 70637c478bd9Sstevel@tonic-gate { 70647c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 70657c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 70667c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 70677c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 70687c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 70697c478bd9Sstevel@tonic-gate } 70707c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 70711b300de9Sjwahlig "Replayed SEQID %d\n", seqid)); 70727c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 70737c478bd9Sstevel@tonic-gate } 70747c478bd9Sstevel@tonic-gate 70757c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 70767c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 70777c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 70787c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 70791b300de9Sjwahlig (CE_NOTE, "BAD SEQID: Replayed sequence id " 70801b300de9Sjwahlig "but last op was %d current op is %d\n", 70811b300de9Sjwahlig lastop->resop, resop->resop)); 70827c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 70837c478bd9Sstevel@tonic-gate } 70847c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 70851b300de9Sjwahlig (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 70861b300de9Sjwahlig rqst_seq, seqid)); 70877c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 70887c478bd9Sstevel@tonic-gate } 70897c478bd9Sstevel@tonic-gate 70907c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 70917c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 70927c478bd9Sstevel@tonic-gate } 70937c478bd9Sstevel@tonic-gate 70947c478bd9Sstevel@tonic-gate 70957c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 70967c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 70977c478bd9Sstevel@tonic-gate { 70987c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 70997c478bd9Sstevel@tonic-gate 7100*d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7101*d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, seqid, resop, 7102*d216dff5SRobert Mastors TRUE); 7103*d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 71047c478bd9Sstevel@tonic-gate 71057c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 7106*d216dff5SRobert Mastors rfs4_update_lease(op->ro_client); 71077c478bd9Sstevel@tonic-gate 71087c478bd9Sstevel@tonic-gate return (rc); 71097c478bd9Sstevel@tonic-gate } 71107c478bd9Sstevel@tonic-gate 71117c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7112*d216dff5SRobert Mastors rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 71137c478bd9Sstevel@tonic-gate { 71147c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 71157c478bd9Sstevel@tonic-gate 7116*d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7117*d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, 71181b300de9Sjwahlig olo_seqid, resop, FALSE); 7119*d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 71207c478bd9Sstevel@tonic-gate 71217c478bd9Sstevel@tonic-gate return (rc); 71227c478bd9Sstevel@tonic-gate } 71237c478bd9Sstevel@tonic-gate 71247c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7125*d216dff5SRobert Mastors rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lsp, nfs_resop4 *resop) 71267c478bd9Sstevel@tonic-gate { 71277c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 71287c478bd9Sstevel@tonic-gate 7129*d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 7130*d216dff5SRobert Mastors if (!lsp->rls_skip_seqid_check) 7131*d216dff5SRobert Mastors rc = rfs4_check_seqid(lsp->rls_seqid, &lsp->rls_reply, seqid, 7132*d216dff5SRobert Mastors resop, TRUE); 7133*d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 71347c478bd9Sstevel@tonic-gate 71357c478bd9Sstevel@tonic-gate return (rc); 71367c478bd9Sstevel@tonic-gate } 71377c478bd9Sstevel@tonic-gate 71387c478bd9Sstevel@tonic-gate static void 71397c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 7140*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 71417c478bd9Sstevel@tonic-gate { 71427c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 71437c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 71447c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 71457c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 71467c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 71477c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 71487c478bd9Sstevel@tonic-gate bool_t create; 71497c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 71507c478bd9Sstevel@tonic-gate int can_reclaim; 71517c478bd9Sstevel@tonic-gate 7152f3b585ceSsamf DTRACE_NFSV4_2(op__open__start, struct compound_state *, cs, 7153f3b585ceSsamf OPEN4args *, args); 71547c478bd9Sstevel@tonic-gate 71557c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 71567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7157f3b585ceSsamf goto end; 71587c478bd9Sstevel@tonic-gate } 71597c478bd9Sstevel@tonic-gate 71607c478bd9Sstevel@tonic-gate /* 71617c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 71627c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 71637c478bd9Sstevel@tonic-gate */ 71647c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 71657c478bd9Sstevel@tonic-gate if (cp == NULL) { 71667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 71671b300de9Sjwahlig rfs4_check_clientid(&owner->clientid, 0); 7168f3b585ceSsamf goto end; 71697c478bd9Sstevel@tonic-gate } 71707c478bd9Sstevel@tonic-gate 71717c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 71727c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 71737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 7174f3b585ceSsamf goto end; 71757c478bd9Sstevel@tonic-gate } 7176*d216dff5SRobert Mastors can_reclaim = cp->rc_can_reclaim; 71777c478bd9Sstevel@tonic-gate 71787c478bd9Sstevel@tonic-gate /* 71797c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 71807c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 71817c478bd9Sstevel@tonic-gate * being returned. 71827c478bd9Sstevel@tonic-gate */ 71837c478bd9Sstevel@tonic-gate retry: 71847c478bd9Sstevel@tonic-gate create = TRUE; 71857c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 71867c478bd9Sstevel@tonic-gate if (oo == NULL) { 71877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 71887c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7189f3b585ceSsamf goto end; 71907c478bd9Sstevel@tonic-gate } 71917c478bd9Sstevel@tonic-gate 71927c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 7193*d216dff5SRobert Mastors rfs4_sw_enter(&oo->ro_sw); 71947c478bd9Sstevel@tonic-gate 71957c478bd9Sstevel@tonic-gate /* 71967c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 71977c478bd9Sstevel@tonic-gate * the sequence id. 71987c478bd9Sstevel@tonic-gate */ 7199*d216dff5SRobert Mastors if (!create && !oo->ro_postpone_confirm) { 72007c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 72017c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 7202*d216dff5SRobert Mastors if ((args->seqid > oo->ro_open_seqid) && 7203*d216dff5SRobert Mastors oo->ro_need_confirm) { 72047c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7205*d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 72067c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 72077c478bd9Sstevel@tonic-gate goto retry; 72087c478bd9Sstevel@tonic-gate } 72097c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 72107c478bd9Sstevel@tonic-gate goto out; 72117c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 72127c478bd9Sstevel@tonic-gate replay = TRUE; 72137c478bd9Sstevel@tonic-gate goto out; 72147c478bd9Sstevel@tonic-gate default: 72157c478bd9Sstevel@tonic-gate break; 72167c478bd9Sstevel@tonic-gate } 72177c478bd9Sstevel@tonic-gate 72187c478bd9Sstevel@tonic-gate /* 72197c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 72207c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 72217c478bd9Sstevel@tonic-gate * open_confirm. 72227c478bd9Sstevel@tonic-gate */ 7223*d216dff5SRobert Mastors if (oo->ro_need_confirm) { 72247c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7225*d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 72267c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 72277c478bd9Sstevel@tonic-gate goto retry; 72287c478bd9Sstevel@tonic-gate } 72297c478bd9Sstevel@tonic-gate } 72307c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 72317c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 72327c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 72337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 72347c478bd9Sstevel@tonic-gate goto out; 72357c478bd9Sstevel@tonic-gate } 72367c478bd9Sstevel@tonic-gate 72377c478bd9Sstevel@tonic-gate /* 72387c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 72397c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 72407c478bd9Sstevel@tonic-gate * client. 72417c478bd9Sstevel@tonic-gate */ 72427c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 72437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 72447c478bd9Sstevel@tonic-gate goto out; 72457c478bd9Sstevel@tonic-gate } 72467c478bd9Sstevel@tonic-gate 72477c478bd9Sstevel@tonic-gate 72487c478bd9Sstevel@tonic-gate /* 72497c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 72507c478bd9Sstevel@tonic-gate */ 72517c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 72527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 72537c478bd9Sstevel@tonic-gate goto out; 72547c478bd9Sstevel@tonic-gate } 72557c478bd9Sstevel@tonic-gate 72567c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 7257*d216dff5SRobert Mastors if (oo->ro_need_confirm) { 72587c478bd9Sstevel@tonic-gate /* 72597c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 72607c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 72617c478bd9Sstevel@tonic-gate * protocol specification. 72627c478bd9Sstevel@tonic-gate */ 72637c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 7264*d216dff5SRobert Mastors oo->ro_need_confirm = FALSE; 72657c478bd9Sstevel@tonic-gate else 72667c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 72677c478bd9Sstevel@tonic-gate } 72687c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 72697c478bd9Sstevel@tonic-gate 72707c478bd9Sstevel@tonic-gate /* 72717c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 72727c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 72737c478bd9Sstevel@tonic-gate */ 72747c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 72757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 72767c478bd9Sstevel@tonic-gate goto out; 72777c478bd9Sstevel@tonic-gate } 72787c478bd9Sstevel@tonic-gate 72797c478bd9Sstevel@tonic-gate /* 72807c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 72817c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 72827c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 72837c478bd9Sstevel@tonic-gate */ 72847c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 72857c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 72867c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 72877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 72887c478bd9Sstevel@tonic-gate goto out; 72897c478bd9Sstevel@tonic-gate } 72907c478bd9Sstevel@tonic-gate 72917c478bd9Sstevel@tonic-gate 72927c478bd9Sstevel@tonic-gate /* 72937c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 72947c478bd9Sstevel@tonic-gate */ 72957c478bd9Sstevel@tonic-gate resp->attrset = 0; 72967c478bd9Sstevel@tonic-gate 72977c478bd9Sstevel@tonic-gate switch (claim) { 72987c478bd9Sstevel@tonic-gate case CLAIM_NULL: 72997c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 73001b300de9Sjwahlig break; 73017c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 73027c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 73031b300de9Sjwahlig break; 73047c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 73057c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 73061b300de9Sjwahlig break; 73077c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 73087c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 73091b300de9Sjwahlig break; 73107c478bd9Sstevel@tonic-gate default: 73117c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 73127c478bd9Sstevel@tonic-gate break; 73137c478bd9Sstevel@tonic-gate } 73147c478bd9Sstevel@tonic-gate 73157c478bd9Sstevel@tonic-gate out: 73167c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 73177c478bd9Sstevel@tonic-gate 73187c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 73197c478bd9Sstevel@tonic-gate switch (resp->status) { 73207c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 73217c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 73227c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 73237c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 73247c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 73257c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 73267c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 73277c478bd9Sstevel@tonic-gate /* 73287c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 73297c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 73307c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 73317c478bd9Sstevel@tonic-gate * increment. 73327c478bd9Sstevel@tonic-gate */ 73337c478bd9Sstevel@tonic-gate break; 73347c478bd9Sstevel@tonic-gate default: 73357c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 7336*d216dff5SRobert Mastors rfs4_update_lease(oo->ro_client); 73377c478bd9Sstevel@tonic-gate 73387c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 73397c478bd9Sstevel@tonic-gate if (!replay) 73407c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 73417c478bd9Sstevel@tonic-gate 73427c478bd9Sstevel@tonic-gate /* 73437c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 73447c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 73457c478bd9Sstevel@tonic-gate * filehandle to copy. 73467c478bd9Sstevel@tonic-gate */ 73477c478bd9Sstevel@tonic-gate if (replay == TRUE && 73487c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 7349*d216dff5SRobert Mastors oo->ro_reply_fh.nfs_fh4_val) { 73507c478bd9Sstevel@tonic-gate /* 73517c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 73527c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 73537c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 73547c478bd9Sstevel@tonic-gate * it. 73557c478bd9Sstevel@tonic-gate */ 73567c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 7357*d216dff5SRobert Mastors (nfs_fh4_fmt_t *)oo->ro_reply_fh.nfs_fh4_val; 73587c478bd9Sstevel@tonic-gate 73597c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 73601b300de9Sjwahlig (fid_t *)&fh_fmtp->fh4_xlen, NULL); 73617c478bd9Sstevel@tonic-gate 73627c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 73637c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 73647c478bd9Sstevel@tonic-gate goto finish; 73657c478bd9Sstevel@tonic-gate } 73667c478bd9Sstevel@tonic-gate 73677c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 73687c478bd9Sstevel@tonic-gate 7369*d216dff5SRobert Mastors cs->vp = nfs4_fhtovp(&oo->ro_reply_fh, cs->exi, 73701b300de9Sjwahlig &resp->status); 73717c478bd9Sstevel@tonic-gate 73727c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 73737c478bd9Sstevel@tonic-gate goto finish; 73747c478bd9Sstevel@tonic-gate 7375*d216dff5SRobert Mastors nfs_fh4_copy(&oo->ro_reply_fh, &cs->fh); 73767c478bd9Sstevel@tonic-gate } 73777c478bd9Sstevel@tonic-gate 73787c478bd9Sstevel@tonic-gate /* 73797c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 73807c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 73817c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 73827c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 73837c478bd9Sstevel@tonic-gate */ 73847c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 73857c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 73867c478bd9Sstevel@tonic-gate /* 73877c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 73887c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 73897c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 73907c478bd9Sstevel@tonic-gate * that the server has no method of returning a 73917c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 73927c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 73937c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 73947c478bd9Sstevel@tonic-gate * this open_owner. 73957c478bd9Sstevel@tonic-gate */ 7396*d216dff5SRobert Mastors if (resp->status != NFS4_OK && oo->ro_need_confirm) 7397*d216dff5SRobert Mastors oo->ro_postpone_confirm = TRUE; 73987c478bd9Sstevel@tonic-gate /* 73997c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 74007c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 74017c478bd9Sstevel@tonic-gate * client. 74027c478bd9Sstevel@tonic-gate */ 7403*d216dff5SRobert Mastors if (resp->status == NFS4_OK && oo->ro_postpone_confirm) { 7404*d216dff5SRobert Mastors oo->ro_postpone_confirm = FALSE; 7405*d216dff5SRobert Mastors oo->ro_open_seqid = args->seqid; 74067c478bd9Sstevel@tonic-gate } 74077c478bd9Sstevel@tonic-gate break; 74087c478bd9Sstevel@tonic-gate } 74097c478bd9Sstevel@tonic-gate 74107c478bd9Sstevel@tonic-gate finish: 74117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 74127c478bd9Sstevel@tonic-gate 7413*d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 74147c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 7415f3b585ceSsamf 7416f3b585ceSsamf end: 7417f3b585ceSsamf DTRACE_NFSV4_2(op__open__done, struct compound_state *, cs, 7418f3b585ceSsamf OPEN4res *, resp); 74197c478bd9Sstevel@tonic-gate } 74207c478bd9Sstevel@tonic-gate 74217c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 74227c478bd9Sstevel@tonic-gate void 74237c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 7424*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 74257c478bd9Sstevel@tonic-gate { 74267c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 74277c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 74287c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 74297c478bd9Sstevel@tonic-gate nfsstat4 status; 74307c478bd9Sstevel@tonic-gate 7431f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__start, struct compound_state *, cs, 7432f3b585ceSsamf OPEN_CONFIRM4args *, args); 7433f3b585ceSsamf 74347c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 74357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7436f3b585ceSsamf goto out; 74377c478bd9Sstevel@tonic-gate } 74387c478bd9Sstevel@tonic-gate 74397c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 74407c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 74417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7442f3b585ceSsamf goto out; 74437c478bd9Sstevel@tonic-gate } 74447c478bd9Sstevel@tonic-gate 74457c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7446*d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 74477c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 74487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7449f3b585ceSsamf goto out; 74507c478bd9Sstevel@tonic-gate } 74517c478bd9Sstevel@tonic-gate 74527c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7453*d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 74547c478bd9Sstevel@tonic-gate 74557c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 74567c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7457*d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 74581b300de9Sjwahlig resop) != 0) { 74597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 74607c478bd9Sstevel@tonic-gate break; 74617c478bd9Sstevel@tonic-gate } 74627c478bd9Sstevel@tonic-gate /* 74637c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 74647c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 74657c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 74667c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 74677c478bd9Sstevel@tonic-gate */ 74687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 74697c478bd9Sstevel@tonic-gate break; 74707c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 74717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 74727c478bd9Sstevel@tonic-gate break; 74737c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 74747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 74757c478bd9Sstevel@tonic-gate break; 74767c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 74777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 74787c478bd9Sstevel@tonic-gate break; 74797c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 74807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 74817c478bd9Sstevel@tonic-gate break; 74827c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 7483*d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7484*d216dff5SRobert Mastors resop)) { 74857c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 74867c478bd9Sstevel@tonic-gate /* 74877c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 74887c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 74897c478bd9Sstevel@tonic-gate */ 74907c478bd9Sstevel@tonic-gate /* fall through */ 74917c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 74927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 74937c478bd9Sstevel@tonic-gate break; 74947c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 74957c478bd9Sstevel@tonic-gate /* 74967c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 74977c478bd9Sstevel@tonic-gate * resp->status is already set. 74987c478bd9Sstevel@tonic-gate */ 74997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7500*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 75017c478bd9Sstevel@tonic-gate break; 75027c478bd9Sstevel@tonic-gate } 75037c478bd9Sstevel@tonic-gate break; 75047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 7505*d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 75061b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 75077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75087c478bd9Sstevel@tonic-gate break; 75097c478bd9Sstevel@tonic-gate } 75107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 75117c478bd9Sstevel@tonic-gate 7512*d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7513*d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 7514*d216dff5SRobert Mastors sp->rs_owner->ro_need_confirm = FALSE; 7515*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 7516*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7517*d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 75187c478bd9Sstevel@tonic-gate break; 75197c478bd9Sstevel@tonic-gate default: 75207c478bd9Sstevel@tonic-gate ASSERT(FALSE); 75217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 75227c478bd9Sstevel@tonic-gate break; 75237c478bd9Sstevel@tonic-gate } 7524*d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 75257c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7526f3b585ceSsamf 7527f3b585ceSsamf out: 7528f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__done, struct compound_state *, cs, 7529f3b585ceSsamf OPEN_CONFIRM4res *, resp); 75307c478bd9Sstevel@tonic-gate } 75317c478bd9Sstevel@tonic-gate 75327c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75337c478bd9Sstevel@tonic-gate void 75347c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 7535*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 75367c478bd9Sstevel@tonic-gate { 75377c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 75387c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 75397c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 75407c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 75417c478bd9Sstevel@tonic-gate nfsstat4 status; 75427c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75437c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7544da6c28aaSamw int fflags = 0; 75457c478bd9Sstevel@tonic-gate 7546f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__start, struct compound_state *, cs, 7547f3b585ceSsamf OPEN_DOWNGRADE4args *, args); 7548f3b585ceSsamf 75497c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7551f3b585ceSsamf goto out; 75527c478bd9Sstevel@tonic-gate } 75537c478bd9Sstevel@tonic-gate 75547c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 75557c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7557f3b585ceSsamf goto out; 75587c478bd9Sstevel@tonic-gate } 75597c478bd9Sstevel@tonic-gate 75607c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7561*d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 75627c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 75637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7564f3b585ceSsamf goto out; 75657c478bd9Sstevel@tonic-gate } 75667c478bd9Sstevel@tonic-gate 75677c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7568*d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 75697c478bd9Sstevel@tonic-gate 75707c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 75717c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7572*d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 75731b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 75747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 75757c478bd9Sstevel@tonic-gate goto end; 75767c478bd9Sstevel@tonic-gate } 75777c478bd9Sstevel@tonic-gate break; 75787c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 75797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75807c478bd9Sstevel@tonic-gate goto end; 75817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 75827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75837c478bd9Sstevel@tonic-gate goto end; 75847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 75857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 75867c478bd9Sstevel@tonic-gate goto end; 75877c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 75887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 75897c478bd9Sstevel@tonic-gate goto end; 75907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 75917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 75927c478bd9Sstevel@tonic-gate goto end; 75937c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 75947c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 7595*d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7596*d216dff5SRobert Mastors resop)) { 75977c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 75987c478bd9Sstevel@tonic-gate /* 75997c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 76007c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 76017c478bd9Sstevel@tonic-gate */ 76027c478bd9Sstevel@tonic-gate /* fall through */ 76037c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 76047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76057c478bd9Sstevel@tonic-gate goto end; 76067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76077c478bd9Sstevel@tonic-gate /* 76087c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76097c478bd9Sstevel@tonic-gate * resp->status is already set. 76107c478bd9Sstevel@tonic-gate */ 76117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7612*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 76137c478bd9Sstevel@tonic-gate goto end; 76147c478bd9Sstevel@tonic-gate } 76157c478bd9Sstevel@tonic-gate break; 76167c478bd9Sstevel@tonic-gate default: 76177c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76187c478bd9Sstevel@tonic-gate break; 76197c478bd9Sstevel@tonic-gate } 76207c478bd9Sstevel@tonic-gate 7621*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 76227c478bd9Sstevel@tonic-gate /* 76237c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 76247c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 76257c478bd9Sstevel@tonic-gate */ 76267c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7627da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 76287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7629*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7630*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 76317c478bd9Sstevel@tonic-gate goto end; 76327c478bd9Sstevel@tonic-gate } 76337c478bd9Sstevel@tonic-gate 76347c478bd9Sstevel@tonic-gate /* 76357c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 76367c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 76377c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 76387c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 76397c478bd9Sstevel@tonic-gate * mode. For example: 7640*d216dff5SRobert Mastors * New mode, access == R and current mode, sp->rs_share_access == RW 7641*d216dff5SRobert Mastors * access & sp->rs_share_access == R == access, so the new access mode 7642*d216dff5SRobert Mastors * is valid. Consider access == RW, sp->rs_share_access = R 7643*d216dff5SRobert Mastors * access & sp->rs_share_access == R != access, so the new access mode 76447c478bd9Sstevel@tonic-gate * is invalid. 76457c478bd9Sstevel@tonic-gate */ 7646*d216dff5SRobert Mastors if ((access & sp->rs_share_access) != access || 7647*d216dff5SRobert Mastors (deny & sp->rs_share_deny) != deny || 76487c478bd9Sstevel@tonic-gate (access & 76497c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 76507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7651*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7652*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 76537c478bd9Sstevel@tonic-gate goto end; 76547c478bd9Sstevel@tonic-gate } 76557c478bd9Sstevel@tonic-gate 76567c478bd9Sstevel@tonic-gate /* 76577c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 76587c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 76597c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 76607c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 76617c478bd9Sstevel@tonic-gate */ 7662*d216dff5SRobert Mastors (void) rfs4_unshare(sp); 76637c478bd9Sstevel@tonic-gate 7664*d216dff5SRobert Mastors fp = sp->rs_finfo; 7665*d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 76667c478bd9Sstevel@tonic-gate 76677c478bd9Sstevel@tonic-gate /* 76687c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 76697c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 76707c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 76717c478bd9Sstevel@tonic-gate * on the file. 76727c478bd9Sstevel@tonic-gate */ 7673*d216dff5SRobert Mastors if ((sp->rs_share_deny & OPEN4_SHARE_DENY_READ) && 76747c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 7675*d216dff5SRobert Mastors fp->rf_deny_read--; 7676*d216dff5SRobert Mastors if (fp->rf_deny_read == 0) 7677*d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 76787c478bd9Sstevel@tonic-gate } 76797c478bd9Sstevel@tonic-gate 76807c478bd9Sstevel@tonic-gate /* 76817c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 76827c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 76837c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 76847c478bd9Sstevel@tonic-gate * on the file. 76857c478bd9Sstevel@tonic-gate */ 7686*d216dff5SRobert Mastors if ((sp->rs_share_deny & OPEN4_SHARE_DENY_WRITE) && 76877c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 7688*d216dff5SRobert Mastors fp->rf_deny_write--; 7689*d216dff5SRobert Mastors if (fp->rf_deny_write == 0) 7690*d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 76917c478bd9Sstevel@tonic-gate } 76927c478bd9Sstevel@tonic-gate 76937c478bd9Sstevel@tonic-gate /* 76947c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 76957c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 76967c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7697da6c28aaSamw * on the file. set fflags to FREAD for the call to 7698da6c28aaSamw * vn_open_downgrade(). 76997c478bd9Sstevel@tonic-gate */ 7700*d216dff5SRobert Mastors if ((sp->rs_share_access & OPEN4_SHARE_ACCESS_READ) && 77017c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 7702*d216dff5SRobert Mastors fp->rf_access_read--; 7703*d216dff5SRobert Mastors if (fp->rf_access_read == 0) 7704*d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 7705da6c28aaSamw fflags |= FREAD; 77067c478bd9Sstevel@tonic-gate } 77077c478bd9Sstevel@tonic-gate 77087c478bd9Sstevel@tonic-gate /* 77097c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 77107c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 77117c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7712da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7713da6c28aaSamw * vn_open_downgrade(). 77147c478bd9Sstevel@tonic-gate */ 7715*d216dff5SRobert Mastors if ((sp->rs_share_access & OPEN4_SHARE_ACCESS_WRITE) && 77167c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 7717*d216dff5SRobert Mastors fp->rf_access_write--; 7718*d216dff5SRobert Mastors if (fp->rf_access_write == 0) 7719*d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7720da6c28aaSamw fflags |= FWRITE; 77217c478bd9Sstevel@tonic-gate } 77227c478bd9Sstevel@tonic-gate 77237c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 7724*d216dff5SRobert Mastors ASSERT(fp->rf_share_access); 77257c478bd9Sstevel@tonic-gate 7726*d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 77277c478bd9Sstevel@tonic-gate 7728*d216dff5SRobert Mastors status = rfs4_share(sp, access, deny); 7729*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 7730da6c28aaSamw 7731*d216dff5SRobert Mastors if (status != NFS4_OK) { 77327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 7733*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 77347c478bd9Sstevel@tonic-gate goto end; 77357c478bd9Sstevel@tonic-gate } 77367c478bd9Sstevel@tonic-gate 7737da6c28aaSamw /* 7738da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 7739da6c28aaSamw * the open. it is possible that the downgrade was only for a deny 7740da6c28aaSamw * mode and we have nothing else to do. 7741da6c28aaSamw */ 7742da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7743da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7744da6c28aaSamw 7745*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 77467c478bd9Sstevel@tonic-gate 77477c478bd9Sstevel@tonic-gate /* Update the stateid */ 7748*d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7749*d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 77507c478bd9Sstevel@tonic-gate 7751*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 77527c478bd9Sstevel@tonic-gate 77537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 77547c478bd9Sstevel@tonic-gate /* Update the lease */ 7755*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 77567c478bd9Sstevel@tonic-gate /* And the sequence */ 7757*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7758*d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 77597c478bd9Sstevel@tonic-gate 77607c478bd9Sstevel@tonic-gate end: 7761*d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 77627c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7763f3b585ceSsamf out: 7764f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__done, struct compound_state *, cs, 7765f3b585ceSsamf OPEN_DOWNGRADE4res *, resp); 77667c478bd9Sstevel@tonic-gate } 77677c478bd9Sstevel@tonic-gate 77687c478bd9Sstevel@tonic-gate /* 77697c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 77707c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 77717c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 77727c478bd9Sstevel@tonic-gate * SETCLIENTID. 77737c478bd9Sstevel@tonic-gate */ 77747c478bd9Sstevel@tonic-gate void 77757c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 7776*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 77777c478bd9Sstevel@tonic-gate { 77787c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 77797c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 77807c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 77817c478bd9Sstevel@tonic-gate bool_t create = TRUE; 77827c478bd9Sstevel@tonic-gate char *addr, *netid; 77837c478bd9Sstevel@tonic-gate int len; 77847c478bd9Sstevel@tonic-gate 7785f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__start, struct compound_state *, cs, 7786f3b585ceSsamf SETCLIENTID4args *, args); 77877c478bd9Sstevel@tonic-gate retry: 77887c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 77897c478bd9Sstevel@tonic-gate 77907c478bd9Sstevel@tonic-gate /* 77917c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 77927c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 77937c478bd9Sstevel@tonic-gate */ 77947c478bd9Sstevel@tonic-gate create = TRUE; 77957c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 77967c478bd9Sstevel@tonic-gate 77977c478bd9Sstevel@tonic-gate /* Should never happen */ 77987c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 77997c478bd9Sstevel@tonic-gate 78007c478bd9Sstevel@tonic-gate if (cp == NULL) { 78017c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 7802f3b585ceSsamf goto out; 78037c478bd9Sstevel@tonic-gate } 78047c478bd9Sstevel@tonic-gate 78057c478bd9Sstevel@tonic-gate /* 78067c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 78077c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 78087c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 78097c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 78107c478bd9Sstevel@tonic-gate */ 78117c478bd9Sstevel@tonic-gate if (create) { 78127c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 7813*d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = cp->rc_clientid; 78147c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 7815*d216dff5SRobert Mastors cp->rc_confirm_verf; 78167c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 78177c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 78187c478bd9Sstevel@tonic-gate 78197c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7820f3b585ceSsamf goto out; 78217c478bd9Sstevel@tonic-gate } 78227c478bd9Sstevel@tonic-gate 78237c478bd9Sstevel@tonic-gate /* 78247c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 78257c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 78267c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 78277c478bd9Sstevel@tonic-gate */ 78287c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 78297c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 78307c478bd9Sstevel@tonic-gate goto retry; 78317c478bd9Sstevel@tonic-gate } 78327c478bd9Sstevel@tonic-gate 7833*d216dff5SRobert Mastors if (cp->rc_need_confirm == TRUE) 78347c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 78357c478bd9Sstevel@tonic-gate else 78367c478bd9Sstevel@tonic-gate cp_confirmed = cp; 78377c478bd9Sstevel@tonic-gate 78387c478bd9Sstevel@tonic-gate cp = NULL; 78397c478bd9Sstevel@tonic-gate 78407c478bd9Sstevel@tonic-gate /* 78417c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 78427c478bd9Sstevel@tonic-gate * unconfimred entry 78437c478bd9Sstevel@tonic-gate */ 78447c478bd9Sstevel@tonic-gate if (cp_confirmed) { 78457c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 7846*d216dff5SRobert Mastors if (!creds_ok(cp_confirmed->rc_cr_set, req, cs)) { 78477c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 78487c478bd9Sstevel@tonic-gate /* 78497c478bd9Sstevel@tonic-gate * Some one else has established this client 78507c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 78517c478bd9Sstevel@tonic-gate * the call back address supplied by * the 78527c478bd9Sstevel@tonic-gate * first client. 78537c478bd9Sstevel@tonic-gate */ 78547c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 78557c478bd9Sstevel@tonic-gate 78567c478bd9Sstevel@tonic-gate addr = netid = NULL; 78577c478bd9Sstevel@tonic-gate 7858*d216dff5SRobert Mastors cbp = &cp_confirmed->rc_cbinfo; 78597c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 78607c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 78617c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 78627c478bd9Sstevel@tonic-gate 78637c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 78647c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 78657c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 78667c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 78677c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 78687c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 78697c478bd9Sstevel@tonic-gate } 78707c478bd9Sstevel@tonic-gate 78717c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 78727c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 78737c478bd9Sstevel@tonic-gate 78747c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 78757c478bd9Sstevel@tonic-gate } 78767c478bd9Sstevel@tonic-gate 78777c478bd9Sstevel@tonic-gate /* 78787c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 78797c478bd9Sstevel@tonic-gate * be an update of the callback info 78807c478bd9Sstevel@tonic-gate */ 7881*d216dff5SRobert Mastors if (cp_confirmed->rc_nfs_client.verifier == 78821b300de9Sjwahlig args->client.verifier) { 78837c478bd9Sstevel@tonic-gate /* Setup callback information */ 78847c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 78851b300de9Sjwahlig args->callback_ident); 78867c478bd9Sstevel@tonic-gate 78877c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 78887c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 78897c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 7890*d216dff5SRobert Mastors cp_confirmed->rc_clientid; 78917c478bd9Sstevel@tonic-gate 78927c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 78937c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 78947c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 7895*d216dff5SRobert Mastors cp_confirmed->rc_confirm_verf; 78967c478bd9Sstevel@tonic-gate 78977c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 7898f3b585ceSsamf goto out; 78997c478bd9Sstevel@tonic-gate } 79007c478bd9Sstevel@tonic-gate 79017c478bd9Sstevel@tonic-gate /* 79027c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 79037c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 79047c478bd9Sstevel@tonic-gate * this request. 79057c478bd9Sstevel@tonic-gate */ 79067c478bd9Sstevel@tonic-gate create = FALSE; 79077c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 79081b300de9Sjwahlig cp_confirmed); 79097c478bd9Sstevel@tonic-gate } 79107c478bd9Sstevel@tonic-gate 79117c478bd9Sstevel@tonic-gate /* 79127c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 79137c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 79147c478bd9Sstevel@tonic-gate * client struct. 79157c478bd9Sstevel@tonic-gate */ 79167c478bd9Sstevel@tonic-gate 79177c478bd9Sstevel@tonic-gate /* 79187c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 79197c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 79207c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 79217c478bd9Sstevel@tonic-gate */ 79227c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 7923*d216dff5SRobert Mastors rfs4_dbe_lock(cp_unconfirmed->rc_dbe); 7924*d216dff5SRobert Mastors if (!cp_unconfirmed->rc_need_confirm) { 7925*d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 79267c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 79277c478bd9Sstevel@tonic-gate if (cp_confirmed) 79287c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 79297c478bd9Sstevel@tonic-gate goto retry; 79307c478bd9Sstevel@tonic-gate } 79317c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 7932*d216dff5SRobert Mastors rfs4_dbe_invalidate(cp_unconfirmed->rc_dbe); 7933*d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 79347c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 79357c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 79367c478bd9Sstevel@tonic-gate } 79377c478bd9Sstevel@tonic-gate 79387c478bd9Sstevel@tonic-gate /* 79397c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 79407c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 79417c478bd9Sstevel@tonic-gate * unconfirmed one. 79427c478bd9Sstevel@tonic-gate */ 79437c478bd9Sstevel@tonic-gate create = TRUE; 79447c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 79457c478bd9Sstevel@tonic-gate 79467c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 79477c478bd9Sstevel@tonic-gate 79487c478bd9Sstevel@tonic-gate if (newcp == NULL) { 79497c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 79507c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 7951f3b585ceSsamf goto out; 79527c478bd9Sstevel@tonic-gate } 79537c478bd9Sstevel@tonic-gate 79547c478bd9Sstevel@tonic-gate /* 79557c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 79567c478bd9Sstevel@tonic-gate * process so release and start over with this one 79577c478bd9Sstevel@tonic-gate */ 79587c478bd9Sstevel@tonic-gate if (create != TRUE) { 79597c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 79607c478bd9Sstevel@tonic-gate if (cp_confirmed) 79617c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 79627c478bd9Sstevel@tonic-gate goto retry; 79637c478bd9Sstevel@tonic-gate } 79647c478bd9Sstevel@tonic-gate 79657c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 7966*d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = newcp->rc_clientid; 7967*d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.setclientid_confirm = 7968*d216dff5SRobert Mastors newcp->rc_confirm_verf; 79697c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 79701b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 79717c478bd9Sstevel@tonic-gate 7972*d216dff5SRobert Mastors newcp->rc_cp_confirmed = cp_confirmed; 79737c478bd9Sstevel@tonic-gate 79747c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 7975f3b585ceSsamf 7976f3b585ceSsamf out: 7977f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__done, struct compound_state *, cs, 7978f3b585ceSsamf SETCLIENTID4res *, res); 79797c478bd9Sstevel@tonic-gate } 79807c478bd9Sstevel@tonic-gate 79817c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 79827c478bd9Sstevel@tonic-gate void 79837c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 7984*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 79857c478bd9Sstevel@tonic-gate { 79867c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 79871b300de9Sjwahlig &argop->nfs_argop4_u.opsetclientid_confirm; 79887c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 79891b300de9Sjwahlig &resop->nfs_resop4_u.opsetclientid_confirm; 79907c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 79917c478bd9Sstevel@tonic-gate 7992f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__start, 7993f3b585ceSsamf struct compound_state *, cs, 7994f3b585ceSsamf SETCLIENTID_CONFIRM4args *, args); 7995f3b585ceSsamf 79967c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 79977c478bd9Sstevel@tonic-gate 79987c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 79997c478bd9Sstevel@tonic-gate 80007c478bd9Sstevel@tonic-gate if (cp == NULL) { 80017c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 80021b300de9Sjwahlig rfs4_check_clientid(&args->clientid, 1); 8003f3b585ceSsamf goto out; 80047c478bd9Sstevel@tonic-gate } 80057c478bd9Sstevel@tonic-gate 80067c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 80077c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 80087c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8009f3b585ceSsamf goto out; 80107c478bd9Sstevel@tonic-gate } 80117c478bd9Sstevel@tonic-gate 80127c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 8013*d216dff5SRobert Mastors if (cp->rc_confirm_verf != args->setclientid_confirm) { 80147c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 80157c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8016f3b585ceSsamf goto out; 80177c478bd9Sstevel@tonic-gate } 80187c478bd9Sstevel@tonic-gate 8019*d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 8020*d216dff5SRobert Mastors cp->rc_need_confirm = FALSE; 8021*d216dff5SRobert Mastors if (cp->rc_cp_confirmed) { 8022*d216dff5SRobert Mastors cptoclose = cp->rc_cp_confirmed; 8023*d216dff5SRobert Mastors cptoclose->rc_ss_remove = 1; 8024*d216dff5SRobert Mastors cp->rc_cp_confirmed = NULL; 80257c478bd9Sstevel@tonic-gate } 80267c478bd9Sstevel@tonic-gate 80277c478bd9Sstevel@tonic-gate /* 8028cee86682Scalum * Update the client's associated server instance, if it's changed 8029cee86682Scalum * since the client was created. 8030cee86682Scalum */ 8031cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 8032cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 8033cee86682Scalum 8034cee86682Scalum /* 8035cee86682Scalum * Record clientid in stable storage. 8036cee86682Scalum * Must be done after server instance has been assigned. 80377c478bd9Sstevel@tonic-gate */ 80387c478bd9Sstevel@tonic-gate rfs4_ss_clid(cp, req); 80397c478bd9Sstevel@tonic-gate 8040*d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 80417c478bd9Sstevel@tonic-gate 80427c478bd9Sstevel@tonic-gate if (cptoclose) 80437c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 80447c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 80457c478bd9Sstevel@tonic-gate 80467c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 80477c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 80487c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 80497c478bd9Sstevel@tonic-gate 80507c478bd9Sstevel@tonic-gate /* 80517c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 80527c478bd9Sstevel@tonic-gate */ 80537c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 80547c478bd9Sstevel@tonic-gate 80557c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8056f3b585ceSsamf 8057f3b585ceSsamf out: 8058f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__done, 8059f3b585ceSsamf struct compound_state *, cs, 8060f3b585ceSsamf SETCLIENTID_CONFIRM4 *, res); 80617c478bd9Sstevel@tonic-gate } 80627c478bd9Sstevel@tonic-gate 80637c478bd9Sstevel@tonic-gate 80647c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 80657c478bd9Sstevel@tonic-gate void 80667c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 8067*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 80687c478bd9Sstevel@tonic-gate { 80697c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 80707c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 80717c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 80727c478bd9Sstevel@tonic-gate nfsstat4 status; 80737c478bd9Sstevel@tonic-gate 8074f3b585ceSsamf DTRACE_NFSV4_2(op__close__start, struct compound_state *, cs, 8075f3b585ceSsamf CLOSE4args *, args); 8076f3b585ceSsamf 80777c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 80787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8079f3b585ceSsamf goto out; 80807c478bd9Sstevel@tonic-gate } 80817c478bd9Sstevel@tonic-gate 80827c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 80837c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 80847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8085f3b585ceSsamf goto out; 80867c478bd9Sstevel@tonic-gate } 80877c478bd9Sstevel@tonic-gate 80887c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8089*d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 80907c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 80917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8092f3b585ceSsamf goto out; 80937c478bd9Sstevel@tonic-gate } 80947c478bd9Sstevel@tonic-gate 80957c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8096*d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 80977c478bd9Sstevel@tonic-gate 80987c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 80997c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 8100*d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 81011b300de9Sjwahlig resop) != NFS4_CHKSEQ_OKAY) { 81027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 81037c478bd9Sstevel@tonic-gate goto end; 81047c478bd9Sstevel@tonic-gate } 81057c478bd9Sstevel@tonic-gate break; 81067c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 81077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 81087c478bd9Sstevel@tonic-gate goto end; 81097c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 81107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81117c478bd9Sstevel@tonic-gate goto end; 81127c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 81137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 81147c478bd9Sstevel@tonic-gate goto end; 81157c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 81167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 81177c478bd9Sstevel@tonic-gate goto end; 81187c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 81197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 81207c478bd9Sstevel@tonic-gate goto end; 81217c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 81227c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 8123*d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 8124*d216dff5SRobert Mastors resop)) { 81257c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 81267c478bd9Sstevel@tonic-gate /* 81277c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 81287c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 81297c478bd9Sstevel@tonic-gate */ 81307c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 81317c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 81327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 81337c478bd9Sstevel@tonic-gate goto end; 81347c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 81357c478bd9Sstevel@tonic-gate /* 81367c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 81377c478bd9Sstevel@tonic-gate * resp->status is already set. 81387c478bd9Sstevel@tonic-gate */ 81397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 8140*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 81417c478bd9Sstevel@tonic-gate goto end; 81427c478bd9Sstevel@tonic-gate } 81437c478bd9Sstevel@tonic-gate break; 81447c478bd9Sstevel@tonic-gate default: 81457c478bd9Sstevel@tonic-gate ASSERT(FALSE); 81467c478bd9Sstevel@tonic-gate break; 81477c478bd9Sstevel@tonic-gate } 81487c478bd9Sstevel@tonic-gate 8149*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 81507c478bd9Sstevel@tonic-gate 81517c478bd9Sstevel@tonic-gate /* Update the stateid. */ 8152*d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 8153*d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 81547c478bd9Sstevel@tonic-gate 8155*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 81567c478bd9Sstevel@tonic-gate 8157*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 8158*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 8159*d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 81607c478bd9Sstevel@tonic-gate 81617c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 81627c478bd9Sstevel@tonic-gate 81637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 81647c478bd9Sstevel@tonic-gate 81657c478bd9Sstevel@tonic-gate end: 8166*d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 81677c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 8168f3b585ceSsamf out: 8169f3b585ceSsamf DTRACE_NFSV4_2(op__close__done, struct compound_state *, cs, 8170f3b585ceSsamf CLOSE4res *, resp); 81717c478bd9Sstevel@tonic-gate } 81727c478bd9Sstevel@tonic-gate 81737c478bd9Sstevel@tonic-gate /* 81747c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 81757c478bd9Sstevel@tonic-gate */ 81767c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81777c478bd9Sstevel@tonic-gate void 81787c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 8179*d216dff5SRobert Mastors bool_t close_of_client) 81807c478bd9Sstevel@tonic-gate { 8181*d216dff5SRobert Mastors rfs4_file_t *fp = sp->rs_finfo; 81827c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 8183*d216dff5SRobert Mastors int fflags = 0; 81847c478bd9Sstevel@tonic-gate 81857c478bd9Sstevel@tonic-gate /* 81867c478bd9Sstevel@tonic-gate * Decrement the count for each access and deny bit that this 81877c478bd9Sstevel@tonic-gate * state has contributed to the file. If the file counts go to zero 81887c478bd9Sstevel@tonic-gate * clear the appropriate bit in the appropriate mask. 81897c478bd9Sstevel@tonic-gate */ 81907c478bd9Sstevel@tonic-gate 8191*d216dff5SRobert Mastors if (sp->rs_share_access & OPEN4_SHARE_ACCESS_READ) { 8192*d216dff5SRobert Mastors fp->rf_access_read--; 81937c478bd9Sstevel@tonic-gate fflags |= FREAD; 8194*d216dff5SRobert Mastors if (fp->rf_access_read == 0) 8195*d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 81967c478bd9Sstevel@tonic-gate } 8197*d216dff5SRobert Mastors if (sp->rs_share_access & OPEN4_SHARE_ACCESS_WRITE) { 8198*d216dff5SRobert Mastors fp->rf_access_write--; 81997c478bd9Sstevel@tonic-gate fflags |= FWRITE; 8200*d216dff5SRobert Mastors if (fp->rf_access_write == 0) 8201*d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_WRITE; 82027c478bd9Sstevel@tonic-gate } 8203*d216dff5SRobert Mastors if (sp->rs_share_deny & OPEN4_SHARE_DENY_READ) { 8204*d216dff5SRobert Mastors fp->rf_deny_read--; 8205*d216dff5SRobert Mastors if (fp->rf_deny_read == 0) 8206*d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 82077c478bd9Sstevel@tonic-gate } 8208*d216dff5SRobert Mastors if (sp->rs_share_deny & OPEN4_SHARE_DENY_WRITE) { 8209*d216dff5SRobert Mastors fp->rf_deny_write--; 8210*d216dff5SRobert Mastors if (fp->rf_deny_write == 0) 8211*d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 82127c478bd9Sstevel@tonic-gate } 82137c478bd9Sstevel@tonic-gate 82147c478bd9Sstevel@tonic-gate /* 82157c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 82167c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 82177c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 82187c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 82197c478bd9Sstevel@tonic-gate */ 82207c478bd9Sstevel@tonic-gate if (close_of_client) { 8221*d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_unlksys_completed == FALSE && 8222*d216dff5SRobert Mastors !list_is_empty(&sp->rs_lostatelist) && 8223*d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) { 82247c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 82257c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 82267c478bd9Sstevel@tonic-gate int new_sysid; 82277c478bd9Sstevel@tonic-gate 82287c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 8229*d216dff5SRobert Mastors new_sysid = sp->rs_owner->ro_client->rc_sysidt; 82307c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 82317c478bd9Sstevel@tonic-gate 82327c478bd9Sstevel@tonic-gate /* 82337c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 82347c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 82357c478bd9Sstevel@tonic-gate */ 82367c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 82377c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 82387c478bd9Sstevel@tonic-gate new_sysid)); 82397c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 82407c478bd9Sstevel@tonic-gate } else { 82417c478bd9Sstevel@tonic-gate struct flock64 flk; 82427c478bd9Sstevel@tonic-gate 82437c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 82447c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 82457c478bd9Sstevel@tonic-gate flk.l_whence = 0; 82467c478bd9Sstevel@tonic-gate flk.l_start = 0; 82477c478bd9Sstevel@tonic-gate flk.l_len = 0; 8248*d216dff5SRobert Mastors flk.l_sysid = 8249*d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt; 82507c478bd9Sstevel@tonic-gate flk.l_pid = 0; 8251*d216dff5SRobert Mastors (void) VOP_FRLOCK(sp->rs_finfo->rf_vp, F_SETLK, 8252*d216dff5SRobert Mastors &flk, F_REMOTELOCK | FREAD | FWRITE, 8253da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 82547c478bd9Sstevel@tonic-gate } 82557c478bd9Sstevel@tonic-gate 8256*d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_unlksys_completed = TRUE; 82577c478bd9Sstevel@tonic-gate } 82587c478bd9Sstevel@tonic-gate } 82597c478bd9Sstevel@tonic-gate 82607c478bd9Sstevel@tonic-gate /* 82617c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 82627c478bd9Sstevel@tonic-gate * least mark the locks as having been released 82637c478bd9Sstevel@tonic-gate */ 8264*d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); lsp != NULL; 8265*d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 8266*d216dff5SRobert Mastors lsp->rls_locks_cleaned = TRUE; 82677c478bd9Sstevel@tonic-gate 82687c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 82697c478bd9Sstevel@tonic-gate if (!close_of_client && 8270*d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8271*d216dff5SRobert Mastors (void) cleanlocks(sp->rs_finfo->rf_vp, 8272*d216dff5SRobert Mastors lsp->rls_locker->rl_pid, 8273*d216dff5SRobert Mastors lsp->rls_locker->rl_client->rc_sysidt); 82747c478bd9Sstevel@tonic-gate } 82757c478bd9Sstevel@tonic-gate 82767c478bd9Sstevel@tonic-gate /* 82777c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 82787c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 82797c478bd9Sstevel@tonic-gate */ 8280*d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8281*d216dff5SRobert Mastors (void) rfs4_unshare(sp); 8282da6c28aaSamw 8283*d216dff5SRobert Mastors (void) VOP_CLOSE(fp->rf_vp, fflags, 1, (offset_t)0, cr, NULL); 82847c478bd9Sstevel@tonic-gate } 82857c478bd9Sstevel@tonic-gate 82867c478bd9Sstevel@tonic-gate /* 82877c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 82887c478bd9Sstevel@tonic-gate */ 82897c478bd9Sstevel@tonic-gate static nfsstat4 82907c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 82917c478bd9Sstevel@tonic-gate { 82927c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 82937c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 82947c478bd9Sstevel@tonic-gate uint32_t len; 82957c478bd9Sstevel@tonic-gate 82967c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 82977c478bd9Sstevel@tonic-gate if (lo != NULL) { 8298*d216dff5SRobert Mastors cp = lo->rl_client; 82997c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 83007c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 8301*d216dff5SRobert Mastors rfs4_dbe_hold(cp->rc_dbe); 83027c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 83037c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 83047c478bd9Sstevel@tonic-gate } 8305*d216dff5SRobert Mastors dp->owner.clientid = lo->rl_owner.clientid; 8306*d216dff5SRobert Mastors len = lo->rl_owner.owner_len; 83077c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 8308*d216dff5SRobert Mastors bcopy(lo->rl_owner.owner_val, dp->owner.owner_val, len); 83097c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 83107c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 83117c478bd9Sstevel@tonic-gate goto finish; 83127c478bd9Sstevel@tonic-gate } 83137c478bd9Sstevel@tonic-gate 83147c478bd9Sstevel@tonic-gate /* 83157c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 83167c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 83177c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 83187c478bd9Sstevel@tonic-gate * the lock owner to the pid. 83197c478bd9Sstevel@tonic-gate */ 83207c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 83217c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 83227c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 83237c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 83247c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 83257c478bd9Sstevel@tonic-gate finish: 83267c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 83277c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 83287c478bd9Sstevel@tonic-gate 83297c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 83307c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 83317c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 83327c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 83337c478bd9Sstevel@tonic-gate else 83347c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 83357c478bd9Sstevel@tonic-gate 83367c478bd9Sstevel@tonic-gate return (NFS4_OK); 83377c478bd9Sstevel@tonic-gate } 83387c478bd9Sstevel@tonic-gate 83397c478bd9Sstevel@tonic-gate static int 83407c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 83417c478bd9Sstevel@tonic-gate { 83427c478bd9Sstevel@tonic-gate int error; 83437c478bd9Sstevel@tonic-gate struct flock64 flk; 83447c478bd9Sstevel@tonic-gate int i; 83457c478bd9Sstevel@tonic-gate clock_t delaytime; 8346da6c28aaSamw int cmd; 83477c478bd9Sstevel@tonic-gate 8348da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 83497c478bd9Sstevel@tonic-gate retry: 83507c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 83517c478bd9Sstevel@tonic-gate 83527c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 8353da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 8354da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 8355da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 83567c478bd9Sstevel@tonic-gate 83577c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 83587c478bd9Sstevel@tonic-gate break; 83597c478bd9Sstevel@tonic-gate 83607c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 83617c478bd9Sstevel@tonic-gate delay(delaytime); 83627c478bd9Sstevel@tonic-gate delaytime *= 2; 83637c478bd9Sstevel@tonic-gate } 83647c478bd9Sstevel@tonic-gate } 83657c478bd9Sstevel@tonic-gate 83667c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 83677c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 83687c478bd9Sstevel@tonic-gate flk = *flock; 83697c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 8370da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 8371da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 83727c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 83737c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 83747c478bd9Sstevel@tonic-gate goto retry; 83757c478bd9Sstevel@tonic-gate } 83767c478bd9Sstevel@tonic-gate *flock = flk; 83777c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 83781b300de9Sjwahlig F_GETLK, &flk); 83797c478bd9Sstevel@tonic-gate } 83807c478bd9Sstevel@tonic-gate } 83817c478bd9Sstevel@tonic-gate 83827c478bd9Sstevel@tonic-gate return (error); 83837c478bd9Sstevel@tonic-gate } 83847c478bd9Sstevel@tonic-gate 83857c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 83867c478bd9Sstevel@tonic-gate static nfsstat4 8387*d216dff5SRobert Mastors rfs4_do_lock(rfs4_lo_state_t *lsp, nfs_lock_type4 locktype, 8388*d216dff5SRobert Mastors offset4 offset, length4 length, cred_t *cred, nfs_resop4 *resop) 83897c478bd9Sstevel@tonic-gate { 83907c478bd9Sstevel@tonic-gate nfsstat4 status; 8391*d216dff5SRobert Mastors rfs4_lockowner_t *lo = lsp->rls_locker; 8392*d216dff5SRobert Mastors rfs4_state_t *sp = lsp->rls_state; 83937c478bd9Sstevel@tonic-gate struct flock64 flock; 83947c478bd9Sstevel@tonic-gate int16_t ltype; 83957c478bd9Sstevel@tonic-gate int flag; 83967c478bd9Sstevel@tonic-gate int error; 83977c478bd9Sstevel@tonic-gate sysid_t sysid; 83987c478bd9Sstevel@tonic-gate LOCK4res *lres; 83997c478bd9Sstevel@tonic-gate 8400*d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 84017c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 84027c478bd9Sstevel@tonic-gate } 84037c478bd9Sstevel@tonic-gate 8404*d216dff5SRobert Mastors if ((status = rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 84057c478bd9Sstevel@tonic-gate return (status); 84067c478bd9Sstevel@tonic-gate 84077c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 84087c478bd9Sstevel@tonic-gate if (length == 0) 84097c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 84107c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 84117c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 84127c478bd9Sstevel@tonic-gate 84137c478bd9Sstevel@tonic-gate retry: 8414*d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 8415*d216dff5SRobert Mastors if (sp->rs_closed) { 8416*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 8417*d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 8418*d216dff5SRobert Mastors } 84197c478bd9Sstevel@tonic-gate 84207c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 84217c478bd9Sstevel@tonic-gate switch (locktype) { 84227c478bd9Sstevel@tonic-gate case READ_LT: 84237c478bd9Sstevel@tonic-gate case READW_LT: 8424*d216dff5SRobert Mastors if ((sp->rs_share_access 84257c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 8426*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 84277c478bd9Sstevel@tonic-gate 84287c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 84297c478bd9Sstevel@tonic-gate } 84307c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 84317c478bd9Sstevel@tonic-gate break; 84327c478bd9Sstevel@tonic-gate case WRITE_LT: 84337c478bd9Sstevel@tonic-gate case WRITEW_LT: 8434*d216dff5SRobert Mastors if ((sp->rs_share_access 84357c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 8436*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 84377c478bd9Sstevel@tonic-gate 84387c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 84397c478bd9Sstevel@tonic-gate } 84407c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 84417c478bd9Sstevel@tonic-gate break; 84427c478bd9Sstevel@tonic-gate } 84437c478bd9Sstevel@tonic-gate } else 84447c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 84457c478bd9Sstevel@tonic-gate 84467c478bd9Sstevel@tonic-gate flock.l_type = ltype; 84477c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 84487c478bd9Sstevel@tonic-gate flock.l_start = offset; 84497c478bd9Sstevel@tonic-gate flock.l_len = length; 84507c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 8451*d216dff5SRobert Mastors flock.l_pid = lsp->rls_locker->rl_pid; 84527c478bd9Sstevel@tonic-gate 84537c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 84547c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 8455*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 84567c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 84577c478bd9Sstevel@tonic-gate } 84587c478bd9Sstevel@tonic-gate 84597c478bd9Sstevel@tonic-gate /* 84607c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 84617c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 84627c478bd9Sstevel@tonic-gate */ 8463*d216dff5SRobert Mastors flag = (int)sp->rs_share_access | F_REMOTELOCK; 84647c478bd9Sstevel@tonic-gate 8465*d216dff5SRobert Mastors error = setlock(sp->rs_finfo->rf_vp, &flock, flag, cred); 84667c478bd9Sstevel@tonic-gate if (error == 0) { 8467*d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 8468*d216dff5SRobert Mastors next_stateid(&lsp->rls_lockid); 8469*d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 84707c478bd9Sstevel@tonic-gate } 84717c478bd9Sstevel@tonic-gate 8472*d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 84737c478bd9Sstevel@tonic-gate 84747c478bd9Sstevel@tonic-gate /* 84757c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 84767c478bd9Sstevel@tonic-gate * than puterrno4 routine. 84777c478bd9Sstevel@tonic-gate */ 84787c478bd9Sstevel@tonic-gate switch (error) { 84797c478bd9Sstevel@tonic-gate case 0: 84807c478bd9Sstevel@tonic-gate status = NFS4_OK; 84817c478bd9Sstevel@tonic-gate break; 84827c478bd9Sstevel@tonic-gate case EAGAIN: 84837c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 84847c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 84857c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 84867c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 84877c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 84887c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 84891b300de9Sjwahlig == NFS4ERR_EXPIRED) 84907c478bd9Sstevel@tonic-gate goto retry; 84917c478bd9Sstevel@tonic-gate break; 84927c478bd9Sstevel@tonic-gate case ENOLCK: 84937c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 84947c478bd9Sstevel@tonic-gate break; 84957c478bd9Sstevel@tonic-gate case EOVERFLOW: 84967c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 84977c478bd9Sstevel@tonic-gate break; 84987c478bd9Sstevel@tonic-gate case EINVAL: 84997c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 85007c478bd9Sstevel@tonic-gate break; 85017c478bd9Sstevel@tonic-gate default: 85027c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 85037c478bd9Sstevel@tonic-gate break; 85047c478bd9Sstevel@tonic-gate } 85057c478bd9Sstevel@tonic-gate 85067c478bd9Sstevel@tonic-gate return (status); 85077c478bd9Sstevel@tonic-gate } 85087c478bd9Sstevel@tonic-gate 85097c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85107c478bd9Sstevel@tonic-gate void 85117c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 8512*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 85137c478bd9Sstevel@tonic-gate { 85147c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 85157c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 85167c478bd9Sstevel@tonic-gate nfsstat4 status; 85177c478bd9Sstevel@tonic-gate stateid4 *stateid; 85187c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 85197c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 85207c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 85217c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 85227c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 85237c478bd9Sstevel@tonic-gate bool_t create = TRUE; 85247c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 85257c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 85267c478bd9Sstevel@tonic-gate int rc; 85277c478bd9Sstevel@tonic-gate 8528f3b585ceSsamf DTRACE_NFSV4_2(op__lock__start, struct compound_state *, cs, 8529f3b585ceSsamf LOCK4args *, args); 8530f3b585ceSsamf 85317c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 85327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8533f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8534f3b585ceSsamf cs, LOCK4res *, resp); 85357c478bd9Sstevel@tonic-gate return; 85367c478bd9Sstevel@tonic-gate } 85377c478bd9Sstevel@tonic-gate 85387c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 85397c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 85407c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 85417c478bd9Sstevel@tonic-gate 85427c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 85437c478bd9Sstevel@tonic-gate 85447c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 85457c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 85467c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 85477c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 85481b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 85497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8550f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8551f3b585ceSsamf cs, LOCK4res *, resp); 85527c478bd9Sstevel@tonic-gate return; 85537c478bd9Sstevel@tonic-gate } 85547c478bd9Sstevel@tonic-gate 85557c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8556*d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 85577c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 85587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8559f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8560f3b585ceSsamf cs, LOCK4res *, resp); 85617c478bd9Sstevel@tonic-gate return; 85627c478bd9Sstevel@tonic-gate } 85637c478bd9Sstevel@tonic-gate 85647c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8565*d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 85667c478bd9Sstevel@tonic-gate 85677c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 85687c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 85697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 85707c478bd9Sstevel@tonic-gate goto end; 85717c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 85727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 85737c478bd9Sstevel@tonic-gate goto end; 85747c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 85757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 85767c478bd9Sstevel@tonic-gate goto end; 85777c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 85787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 85797c478bd9Sstevel@tonic-gate goto end; 85807c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 85817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 85827c478bd9Sstevel@tonic-gate goto end; 85837c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 85847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 85857c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 8586*d216dff5SRobert Mastors sp->rs_owner, resop)) { 85877c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 85887c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 85897c478bd9Sstevel@tonic-gate break; 85907c478bd9Sstevel@tonic-gate /* 85917c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 85927c478bd9Sstevel@tonic-gate * matches next expected, then client 85937c478bd9Sstevel@tonic-gate * is using wrong seqid. 85947c478bd9Sstevel@tonic-gate */ 85957c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 85967c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 85971b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 85987c478bd9Sstevel@tonic-gate goto end; 85997c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 86007c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 86017c478bd9Sstevel@tonic-gate dup_lock = TRUE; 86027c478bd9Sstevel@tonic-gate 86037c478bd9Sstevel@tonic-gate /* 86047c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 86057c478bd9Sstevel@tonic-gate * create a new lockowner as it should 86067c478bd9Sstevel@tonic-gate * already exist. 86077c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 86087c478bd9Sstevel@tonic-gate */ 86097c478bd9Sstevel@tonic-gate lcreate = FALSE; 86107c478bd9Sstevel@tonic-gate } 86117c478bd9Sstevel@tonic-gate break; 86127c478bd9Sstevel@tonic-gate } 86137c478bd9Sstevel@tonic-gate 86147c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 86157c478bd9Sstevel@tonic-gate if (lo == NULL) { 86167c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86171b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no lock owner")); 86187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 86197c478bd9Sstevel@tonic-gate goto end; 86207c478bd9Sstevel@tonic-gate } 86217c478bd9Sstevel@tonic-gate 86227c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 86237c478bd9Sstevel@tonic-gate if (lsp == NULL) { 8624*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 86257c478bd9Sstevel@tonic-gate /* 86267c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 86277c478bd9Sstevel@tonic-gate * a duplicate request 86287c478bd9Sstevel@tonic-gate */ 86297c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8630*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 86317c478bd9Sstevel@tonic-gate } 86327c478bd9Sstevel@tonic-gate 86337c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86341b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: no state")); 86357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 8636*d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 86377c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 86387c478bd9Sstevel@tonic-gate goto end; 86397c478bd9Sstevel@tonic-gate } 86407c478bd9Sstevel@tonic-gate 86417c478bd9Sstevel@tonic-gate /* 86427c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 86437c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 86447c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 86457c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 86467c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 86477c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 86487c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 86497c478bd9Sstevel@tonic-gate * existing lock_owner branch. 86507c478bd9Sstevel@tonic-gate */ 86517c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 8652*d216dff5SRobert Mastors if (lsp->rls_lock_completed == TRUE) { 86537c478bd9Sstevel@tonic-gate *cs->statusp = 86541b300de9Sjwahlig resp->status = NFS4ERR_BAD_SEQID; 86557c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 86567c478bd9Sstevel@tonic-gate goto end; 86577c478bd9Sstevel@tonic-gate } 86587c478bd9Sstevel@tonic-gate } 86597c478bd9Sstevel@tonic-gate 8660*d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 86617c478bd9Sstevel@tonic-gate 86627c478bd9Sstevel@tonic-gate /* 86637c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 86647c478bd9Sstevel@tonic-gate * a duplicate request 86657c478bd9Sstevel@tonic-gate */ 86667c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8667*d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 86687c478bd9Sstevel@tonic-gate } 86697c478bd9Sstevel@tonic-gate 86707c478bd9Sstevel@tonic-gate /* 86717c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 86727c478bd9Sstevel@tonic-gate * previously saved reply and return. 86737c478bd9Sstevel@tonic-gate */ 86747c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 86757c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 8676*d216dff5SRobert Mastors if (lsp->rls_seqid != olo->lock_seqid) { 86777c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 86781b300de9Sjwahlig (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 86791b300de9Sjwahlig "lsp->seqid=%d old->seqid=%d", 8680*d216dff5SRobert Mastors lsp->rls_seqid, olo->lock_seqid)); 86817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 86827c478bd9Sstevel@tonic-gate } else { 8683*d216dff5SRobert Mastors rfs4_copy_reply(resop, &lsp->rls_reply); 86847c478bd9Sstevel@tonic-gate /* 86857c478bd9Sstevel@tonic-gate * Make sure to copy the just 86867c478bd9Sstevel@tonic-gate * retrieved reply status into the 86877c478bd9Sstevel@tonic-gate * overall compound status 86887c478bd9Sstevel@tonic-gate */ 86897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 86907c478bd9Sstevel@tonic-gate } 86917c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 86927c478bd9Sstevel@tonic-gate goto end; 86937c478bd9Sstevel@tonic-gate } 86947c478bd9Sstevel@tonic-gate 8695*d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 86967c478bd9Sstevel@tonic-gate 86977c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 8698*d216dff5SRobert Mastors lsp->rls_seqid = olo->lock_seqid; 86997c478bd9Sstevel@tonic-gate 87007c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 8701*d216dff5SRobert Mastors (CE_NOTE, "Lock seqid established as %d", lsp->rls_seqid)); 87027c478bd9Sstevel@tonic-gate 87037c478bd9Sstevel@tonic-gate /* 87047c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 87057c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 87067c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 87077c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 87087c478bd9Sstevel@tonic-gate */ 8709*d216dff5SRobert Mastors lsp->rls_skip_seqid_check = TRUE; 87107c478bd9Sstevel@tonic-gate 87117c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8712*d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 87137c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 87147c478bd9Sstevel@tonic-gate 8715*d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 87167c478bd9Sstevel@tonic-gate 87177c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 87187c478bd9Sstevel@tonic-gate } else { 87197c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 87207c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 87217c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 87227c478bd9Sstevel@tonic-gate != NFS4_OK) { 87237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8724f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8725f3b585ceSsamf cs, LOCK4res *, resp); 87267c478bd9Sstevel@tonic-gate return; 87277c478bd9Sstevel@tonic-gate } 87287c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 87297c478bd9Sstevel@tonic-gate 87307c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8731*d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 87327c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 87337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8734f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8735f3b585ceSsamf cs, LOCK4res *, resp); 87367c478bd9Sstevel@tonic-gate return; 87377c478bd9Sstevel@tonic-gate } 87387c478bd9Sstevel@tonic-gate 87397c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8740*d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 87417c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 87427c478bd9Sstevel@tonic-gate 87437c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 87447c478bd9Sstevel@tonic-gate /* 87457c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 87467c478bd9Sstevel@tonic-gate * the next one) 87477c478bd9Sstevel@tonic-gate */ 87487c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 87497c478bd9Sstevel@tonic-gate /* 87507c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 87517c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 87527c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 87537c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 87547c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 87557c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 87567c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 87577c478bd9Sstevel@tonic-gate * updated. That case is handled below when 87587c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 87597c478bd9Sstevel@tonic-gate * second is the case where an error is 87607c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 87617c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 87627c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 87637c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 87647c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 87657c478bd9Sstevel@tonic-gate * replay but it is okay. 87667c478bd9Sstevel@tonic-gate */ 87677c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 87681b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 87691b300de9Sjwahlig lsp, resop)) { 87707c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 87717c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 87727c478bd9Sstevel@tonic-gate /* 87737c478bd9Sstevel@tonic-gate * Here is our replay and need 87747c478bd9Sstevel@tonic-gate * to verify that the last 87757c478bd9Sstevel@tonic-gate * response was an error. 87767c478bd9Sstevel@tonic-gate */ 87777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 87787c478bd9Sstevel@tonic-gate goto end; 87797c478bd9Sstevel@tonic-gate } 87807c478bd9Sstevel@tonic-gate /* 87817c478bd9Sstevel@tonic-gate * This is done since the sequence id 87827c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 87837c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 87847c478bd9Sstevel@tonic-gate * returned as a result. 87857c478bd9Sstevel@tonic-gate */ 87867c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 87877c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 87881b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 87897c478bd9Sstevel@tonic-gate goto end; 87907c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 87917c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 87927c478bd9Sstevel@tonic-gate break; 87937c478bd9Sstevel@tonic-gate } 87947c478bd9Sstevel@tonic-gate break; 87957c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 87967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87977c478bd9Sstevel@tonic-gate goto end; 87987c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 87997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 88007c478bd9Sstevel@tonic-gate goto end; 88017c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 88027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 88037c478bd9Sstevel@tonic-gate goto end; 88047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 88057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 88067c478bd9Sstevel@tonic-gate goto end; 88077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 88087c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 88091b300de9Sjwahlig args->locker.locker4_u.lock_owner.lock_seqid, 88101b300de9Sjwahlig lsp, resop)) { 88117c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 88127c478bd9Sstevel@tonic-gate /* 88137c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 88147c478bd9Sstevel@tonic-gate * seqid matches the next expected, 88157c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 88167c478bd9Sstevel@tonic-gate */ 88177c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 88181b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88197c478bd9Sstevel@tonic-gate goto end; 88207c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 8821*d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 88227c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 88237c478bd9Sstevel@tonic-gate goto end; 88247c478bd9Sstevel@tonic-gate } 88257c478bd9Sstevel@tonic-gate break; 88267c478bd9Sstevel@tonic-gate default: 88277c478bd9Sstevel@tonic-gate ASSERT(FALSE); 88287c478bd9Sstevel@tonic-gate break; 88297c478bd9Sstevel@tonic-gate } 88307c478bd9Sstevel@tonic-gate 88317c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 8832*d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 88337c478bd9Sstevel@tonic-gate } 88347c478bd9Sstevel@tonic-gate 88357c478bd9Sstevel@tonic-gate /* 88367c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 88377c478bd9Sstevel@tonic-gate * verify type of object. 88387c478bd9Sstevel@tonic-gate */ 88397c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 88407c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 88417c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 88427c478bd9Sstevel@tonic-gate else 88437c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 88447c478bd9Sstevel@tonic-gate goto out; 88457c478bd9Sstevel@tonic-gate } 88467c478bd9Sstevel@tonic-gate 8847*d216dff5SRobert Mastors cp = lsp->rls_state->rs_owner->ro_client; 88487c478bd9Sstevel@tonic-gate 88497c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 88507c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 88517c478bd9Sstevel@tonic-gate goto out; 88527c478bd9Sstevel@tonic-gate } 88537c478bd9Sstevel@tonic-gate 8854*d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->rc_can_reclaim) { 88557c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 88567c478bd9Sstevel@tonic-gate goto out; 88577c478bd9Sstevel@tonic-gate } 88587c478bd9Sstevel@tonic-gate 88597c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 88607c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 88617c478bd9Sstevel@tonic-gate goto out; 88627c478bd9Sstevel@tonic-gate } 88637c478bd9Sstevel@tonic-gate 8864*d216dff5SRobert Mastors if (lsp->rls_state->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE) 88657c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 88667c478bd9Sstevel@tonic-gate 88677c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 88681b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 88697c478bd9Sstevel@tonic-gate 88707c478bd9Sstevel@tonic-gate out: 8871*d216dff5SRobert Mastors lsp->rls_skip_seqid_check = FALSE; 88727c478bd9Sstevel@tonic-gate 88737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 88747c478bd9Sstevel@tonic-gate 88757c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 8876*d216dff5SRobert Mastors resp->LOCK4res_u.lock_stateid = lsp->rls_lockid.stateid; 8877*d216dff5SRobert Mastors lsp->rls_lock_completed = TRUE; 88787c478bd9Sstevel@tonic-gate } 88797c478bd9Sstevel@tonic-gate /* 88807c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 88817c478bd9Sstevel@tonic-gate * lock_owner 88827c478bd9Sstevel@tonic-gate */ 88837c478bd9Sstevel@tonic-gate if (sp) 8884*d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 88857c478bd9Sstevel@tonic-gate 88867c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 88877c478bd9Sstevel@tonic-gate 88887c478bd9Sstevel@tonic-gate end: 88897c478bd9Sstevel@tonic-gate if (lsp) { 88907c478bd9Sstevel@tonic-gate if (ls_sw_held) 8891*d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 88927c478bd9Sstevel@tonic-gate /* 88937c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 88947c478bd9Sstevel@tonic-gate * a lock on the file struct. 88957c478bd9Sstevel@tonic-gate */ 88967c478bd9Sstevel@tonic-gate if (sp != NULL) 88977c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 88987c478bd9Sstevel@tonic-gate else 88997c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89007c478bd9Sstevel@tonic-gate } 89017c478bd9Sstevel@tonic-gate if (sp) { 8902*d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 89037c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 89047c478bd9Sstevel@tonic-gate } 8905f3b585ceSsamf 8906f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, cs, 8907f3b585ceSsamf LOCK4res *, resp); 89087c478bd9Sstevel@tonic-gate } 89097c478bd9Sstevel@tonic-gate 89107c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 89117c478bd9Sstevel@tonic-gate static void 89127c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 89137c478bd9Sstevel@tonic-gate { 89147c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 89157c478bd9Sstevel@tonic-gate 89167c478bd9Sstevel@tonic-gate switch (resop->resop) { 89177c478bd9Sstevel@tonic-gate case OP_LOCK: 89187c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 89197c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 89207c478bd9Sstevel@tonic-gate break; 89217c478bd9Sstevel@tonic-gate case OP_LOCKT: 89227c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 89237c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 89247c478bd9Sstevel@tonic-gate break; 89257c478bd9Sstevel@tonic-gate default: 89267c478bd9Sstevel@tonic-gate break; 89277c478bd9Sstevel@tonic-gate } 89287c478bd9Sstevel@tonic-gate 89297c478bd9Sstevel@tonic-gate if (dp) 89307c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 89317c478bd9Sstevel@tonic-gate } 89327c478bd9Sstevel@tonic-gate 89337c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 89347c478bd9Sstevel@tonic-gate void 89357c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 8936*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 89377c478bd9Sstevel@tonic-gate { 89387c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 89397c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 89407c478bd9Sstevel@tonic-gate nfsstat4 status; 89417c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 89427c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 89437c478bd9Sstevel@tonic-gate 8944f3b585ceSsamf DTRACE_NFSV4_2(op__locku__start, struct compound_state *, cs, 8945f3b585ceSsamf LOCKU4args *, args); 8946f3b585ceSsamf 89477c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 89487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8949f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 8950f3b585ceSsamf LOCKU4res *, resp); 89517c478bd9Sstevel@tonic-gate return; 89527c478bd9Sstevel@tonic-gate } 89537c478bd9Sstevel@tonic-gate 89547c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 89557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8956f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 8957f3b585ceSsamf LOCKU4res *, resp); 89587c478bd9Sstevel@tonic-gate return; 89597c478bd9Sstevel@tonic-gate } 89607c478bd9Sstevel@tonic-gate 89617c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8962*d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 89637c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8965f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 8966f3b585ceSsamf LOCKU4res *, resp); 89677c478bd9Sstevel@tonic-gate return; 89687c478bd9Sstevel@tonic-gate } 89697c478bd9Sstevel@tonic-gate 89707c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8971*d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 89727c478bd9Sstevel@tonic-gate 89737c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 89747c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 89757c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 89767c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 89777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89787c478bd9Sstevel@tonic-gate goto end; 89797c478bd9Sstevel@tonic-gate } 89807c478bd9Sstevel@tonic-gate break; 89817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 89827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89837c478bd9Sstevel@tonic-gate goto end; 89847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 89857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 89867c478bd9Sstevel@tonic-gate goto end; 89877c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 89887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 89897c478bd9Sstevel@tonic-gate goto end; 89907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 89917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89927c478bd9Sstevel@tonic-gate goto end; 89937c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 89947c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 89957c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89967c478bd9Sstevel@tonic-gate /* 89977c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 89987c478bd9Sstevel@tonic-gate * seqid matches the next expected, 89997c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 90007c478bd9Sstevel@tonic-gate */ 90017c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 90021b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 90037c478bd9Sstevel@tonic-gate goto end; 90047c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9005*d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90067c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 90077c478bd9Sstevel@tonic-gate goto end; 90087c478bd9Sstevel@tonic-gate } 90097c478bd9Sstevel@tonic-gate break; 90107c478bd9Sstevel@tonic-gate default: 90117c478bd9Sstevel@tonic-gate ASSERT(FALSE); 90127c478bd9Sstevel@tonic-gate break; 90137c478bd9Sstevel@tonic-gate } 90147c478bd9Sstevel@tonic-gate 90157c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9016*d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90177c478bd9Sstevel@tonic-gate 90187c478bd9Sstevel@tonic-gate /* 90197c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90207c478bd9Sstevel@tonic-gate * verify type of object. 90217c478bd9Sstevel@tonic-gate */ 90227c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 90237c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 90247c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 90257c478bd9Sstevel@tonic-gate else 90267c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 90277c478bd9Sstevel@tonic-gate goto out; 90287c478bd9Sstevel@tonic-gate } 90297c478bd9Sstevel@tonic-gate 9030*d216dff5SRobert Mastors if (rfs4_clnt_in_grace(lsp->rls_state->rs_owner->ro_client)) { 90317c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 90327c478bd9Sstevel@tonic-gate goto out; 90337c478bd9Sstevel@tonic-gate } 90347c478bd9Sstevel@tonic-gate 90357c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 9036*d216dff5SRobert Mastors args->offset, args->length, cs->cr, resop); 90377c478bd9Sstevel@tonic-gate 90387c478bd9Sstevel@tonic-gate out: 90397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 90407c478bd9Sstevel@tonic-gate 90417c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 9042*d216dff5SRobert Mastors resp->lock_stateid = lsp->rls_lockid.stateid; 90437c478bd9Sstevel@tonic-gate 90447c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 90457c478bd9Sstevel@tonic-gate 90467c478bd9Sstevel@tonic-gate end: 9047*d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 90487c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 9049f3b585ceSsamf 9050f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9051f3b585ceSsamf LOCKU4res *, resp); 90527c478bd9Sstevel@tonic-gate } 90537c478bd9Sstevel@tonic-gate 90547c478bd9Sstevel@tonic-gate /* 90557c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 90567c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 90577c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 90587c478bd9Sstevel@tonic-gate * and can not be accurate. 90597c478bd9Sstevel@tonic-gate */ 90607c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 90617c478bd9Sstevel@tonic-gate void 90627c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 9063*d216dff5SRobert Mastors struct svc_req *req, struct compound_state *cs) 90647c478bd9Sstevel@tonic-gate { 90657c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 90667c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 90677c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 90687c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 90697c478bd9Sstevel@tonic-gate bool_t create = FALSE; 90707c478bd9Sstevel@tonic-gate struct flock64 flk; 90717c478bd9Sstevel@tonic-gate int error; 90727c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 90737c478bd9Sstevel@tonic-gate int ltype; 90747c478bd9Sstevel@tonic-gate length4 posix_length; 90757c478bd9Sstevel@tonic-gate sysid_t sysid; 90767c478bd9Sstevel@tonic-gate pid_t pid; 90777c478bd9Sstevel@tonic-gate 9078f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__start, struct compound_state *, cs, 9079f3b585ceSsamf LOCKT4args *, args); 9080f3b585ceSsamf 90817c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 90827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9083f3b585ceSsamf goto out; 90847c478bd9Sstevel@tonic-gate } 90857c478bd9Sstevel@tonic-gate 90867c478bd9Sstevel@tonic-gate /* 90877c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90887c478bd9Sstevel@tonic-gate * verify type of object. 90897c478bd9Sstevel@tonic-gate */ 90907c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 90917c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 90927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 90937c478bd9Sstevel@tonic-gate else 90947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9095f3b585ceSsamf goto out; 90967c478bd9Sstevel@tonic-gate } 90977c478bd9Sstevel@tonic-gate 90987c478bd9Sstevel@tonic-gate /* 90997c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 91007c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 91017c478bd9Sstevel@tonic-gate */ 91027c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 91037c478bd9Sstevel@tonic-gate == NULL) { 91047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 91051b300de9Sjwahlig rfs4_check_clientid(&args->owner.clientid, 0); 9106f3b585ceSsamf goto out; 91077c478bd9Sstevel@tonic-gate } 91087c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 91097c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 91107c478bd9Sstevel@tonic-gate /* 91117c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 91127c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 91137c478bd9Sstevel@tonic-gate * is returned instead 91147c478bd9Sstevel@tonic-gate */ 91157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 9116f3b585ceSsamf goto out; 91177c478bd9Sstevel@tonic-gate } 91187c478bd9Sstevel@tonic-gate 9119*d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && !(cp->rc_can_reclaim)) { 91207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 9121661cedadSvv rfs4_client_rele(cp); 9122f3b585ceSsamf goto out; 91237c478bd9Sstevel@tonic-gate } 91247c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 91257c478bd9Sstevel@tonic-gate 91267c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 91277c478bd9Sstevel@tonic-gate 91287c478bd9Sstevel@tonic-gate switch (args->locktype) { 91297c478bd9Sstevel@tonic-gate case READ_LT: 91307c478bd9Sstevel@tonic-gate case READW_LT: 91317c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 91327c478bd9Sstevel@tonic-gate break; 91337c478bd9Sstevel@tonic-gate case WRITE_LT: 91347c478bd9Sstevel@tonic-gate case WRITEW_LT: 91357c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 91367c478bd9Sstevel@tonic-gate break; 91377c478bd9Sstevel@tonic-gate } 91387c478bd9Sstevel@tonic-gate 91397c478bd9Sstevel@tonic-gate posix_length = args->length; 91407c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 91417c478bd9Sstevel@tonic-gate if (posix_length == 0) { 91427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9143f3b585ceSsamf goto out; 91447c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 91457c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 91467c478bd9Sstevel@tonic-gate } 91477c478bd9Sstevel@tonic-gate 91487c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 91497c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 91507c478bd9Sstevel@tonic-gate 91517c478bd9Sstevel@tonic-gate if (lo) { 9152*d216dff5SRobert Mastors pid = lo->rl_pid; 91537c478bd9Sstevel@tonic-gate if ((resp->status = 9154*d216dff5SRobert Mastors rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 9155f3b585ceSsamf goto err; 91567c478bd9Sstevel@tonic-gate } else { 91577c478bd9Sstevel@tonic-gate pid = 0; 91587c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 91597c478bd9Sstevel@tonic-gate } 91607c478bd9Sstevel@tonic-gate retry: 91617c478bd9Sstevel@tonic-gate flk.l_type = ltype; 91627c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 91637c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 91647c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 91657c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 91667c478bd9Sstevel@tonic-gate flk.l_pid = pid; 91677c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 91687c478bd9Sstevel@tonic-gate 91697c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 91707c478bd9Sstevel@tonic-gate 91717c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 91727c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 91737c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 9174f3b585ceSsamf goto err; 91757c478bd9Sstevel@tonic-gate } 91767c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 9177da6c28aaSamw NULL, cs->cr, NULL); 91787c478bd9Sstevel@tonic-gate 91797c478bd9Sstevel@tonic-gate /* 91807c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 91817c478bd9Sstevel@tonic-gate * than puterrno4 routine. 91827c478bd9Sstevel@tonic-gate */ 91837c478bd9Sstevel@tonic-gate switch (error) { 91847c478bd9Sstevel@tonic-gate case 0: 91857c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 91867c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 91877c478bd9Sstevel@tonic-gate else { 91887c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 91897c478bd9Sstevel@tonic-gate goto retry; 91907c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 91917c478bd9Sstevel@tonic-gate } 91927c478bd9Sstevel@tonic-gate break; 91937c478bd9Sstevel@tonic-gate case EOVERFLOW: 91947c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 91957c478bd9Sstevel@tonic-gate break; 91967c478bd9Sstevel@tonic-gate case EINVAL: 91977c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 91987c478bd9Sstevel@tonic-gate break; 91997c478bd9Sstevel@tonic-gate default: 92007c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 92011b300de9Sjwahlig error); 92027c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 92037c478bd9Sstevel@tonic-gate break; 92047c478bd9Sstevel@tonic-gate } 92057c478bd9Sstevel@tonic-gate 9206f3b585ceSsamf err: 92077c478bd9Sstevel@tonic-gate if (lo) 92087c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 92097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 9210f3b585ceSsamf out: 9211f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__done, struct compound_state *, cs, 9212f3b585ceSsamf LOCKT4res *, resp); 92137c478bd9Sstevel@tonic-gate } 92147c478bd9Sstevel@tonic-gate 9215*d216dff5SRobert Mastors int 9216*d216dff5SRobert Mastors rfs4_share(rfs4_state_t *sp, uint32_t access, uint32_t deny) 92177c478bd9Sstevel@tonic-gate { 92187c478bd9Sstevel@tonic-gate int err; 9219*d216dff5SRobert Mastors int cmd; 9220*d216dff5SRobert Mastors vnode_t *vp; 9221*d216dff5SRobert Mastors struct shrlock shr; 9222*d216dff5SRobert Mastors struct shr_locowner shr_loco; 9223*d216dff5SRobert Mastors int fflags = 0; 92247c478bd9Sstevel@tonic-gate 9225*d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9226*d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 92277c478bd9Sstevel@tonic-gate 9228*d216dff5SRobert Mastors if (sp->rs_closed) 9229*d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 92307c478bd9Sstevel@tonic-gate 9231*d216dff5SRobert Mastors vp = sp->rs_finfo->rf_vp; 9232*d216dff5SRobert Mastors ASSERT(vp); 92337c478bd9Sstevel@tonic-gate 9234*d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 92357c478bd9Sstevel@tonic-gate 9236*d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_READ) { 92377c478bd9Sstevel@tonic-gate fflags |= FREAD; 92387c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 92397c478bd9Sstevel@tonic-gate } 9240*d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_WRITE) { 92417c478bd9Sstevel@tonic-gate fflags |= FWRITE; 92427c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 92437c478bd9Sstevel@tonic-gate } 9244*d216dff5SRobert Mastors ASSERT(shr.s_access); 9245*d216dff5SRobert Mastors 9246*d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_READ) 92477c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 9248*d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_WRITE) 92497c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 92507c478bd9Sstevel@tonic-gate 9251*d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9252*d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 92537c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 92547c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 92557c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 92567c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 92577c478bd9Sstevel@tonic-gate 9258*d216dff5SRobert Mastors cmd = nbl_need_check(vp) ? F_SHARE_NBMAND : F_SHARE; 9259*d216dff5SRobert Mastors 9260*d216dff5SRobert Mastors err = VOP_SHRLOCK(vp, cmd, &shr, fflags, CRED(), NULL); 9261*d216dff5SRobert Mastors if (err != 0) { 9262*d216dff5SRobert Mastors if (err == EAGAIN) 9263*d216dff5SRobert Mastors err = NFS4ERR_SHARE_DENIED; 9264*d216dff5SRobert Mastors else 9265*d216dff5SRobert Mastors err = puterrno4(err); 9266*d216dff5SRobert Mastors return (err); 9267*d216dff5SRobert Mastors } 9268*d216dff5SRobert Mastors 9269*d216dff5SRobert Mastors sp->rs_share_access |= access; 9270*d216dff5SRobert Mastors sp->rs_share_deny |= deny; 9271*d216dff5SRobert Mastors 9272*d216dff5SRobert Mastors return (0); 92737c478bd9Sstevel@tonic-gate } 92747c478bd9Sstevel@tonic-gate 9275*d216dff5SRobert Mastors int 92767c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 92777c478bd9Sstevel@tonic-gate { 9278*d216dff5SRobert Mastors int err; 9279*d216dff5SRobert Mastors struct shrlock shr; 9280*d216dff5SRobert Mastors struct shr_locowner shr_loco; 9281*d216dff5SRobert Mastors 9282*d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9283*d216dff5SRobert Mastors 9284*d216dff5SRobert Mastors if (sp->rs_closed || sp->rs_share_access == 0) 9285*d216dff5SRobert Mastors return (0); 9286*d216dff5SRobert Mastors 9287*d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 9288*d216dff5SRobert Mastors ASSERT(sp->rs_finfo->rf_vp); 9289*d216dff5SRobert Mastors 9290*d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9291*d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9292*d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 9293*d216dff5SRobert Mastors shr_loco.sl_pid = shr.s_pid; 9294*d216dff5SRobert Mastors shr_loco.sl_id = shr.s_sysid; 9295*d216dff5SRobert Mastors shr.s_owner = (caddr_t)&shr_loco; 9296*d216dff5SRobert Mastors shr.s_own_len = sizeof (shr_loco); 9297*d216dff5SRobert Mastors 9298*d216dff5SRobert Mastors err = VOP_SHRLOCK(sp->rs_finfo->rf_vp, F_UNSHARE, &shr, 0, CRED(), 9299*d216dff5SRobert Mastors NULL); 9300*d216dff5SRobert Mastors if (err != 0) { 9301*d216dff5SRobert Mastors err = puterrno4(err); 9302*d216dff5SRobert Mastors return (err); 9303*d216dff5SRobert Mastors } 9304*d216dff5SRobert Mastors 9305*d216dff5SRobert Mastors sp->rs_share_access = 0; 9306*d216dff5SRobert Mastors sp->rs_share_deny = 0; 9307*d216dff5SRobert Mastors 9308*d216dff5SRobert Mastors return (0); 9309*d216dff5SRobert Mastors 93107c478bd9Sstevel@tonic-gate } 93110a701b1eSRobert Gordon 93120a701b1eSRobert Gordon static int 9313f837ee4aSSiddheshwar Mahesh rdma_setup_read_data4(READ4args *args, READ4res *rok) 93140a701b1eSRobert Gordon { 93150a701b1eSRobert Gordon struct clist *wcl; 93160a701b1eSRobert Gordon count4 count = rok->data_len; 9317f837ee4aSSiddheshwar Mahesh int wlist_len; 93180a701b1eSRobert Gordon 93190a701b1eSRobert Gordon wcl = args->wlist; 9320f837ee4aSSiddheshwar Mahesh if (rdma_setup_read_chunks(wcl, count, &wlist_len) == FALSE) { 93210a701b1eSRobert Gordon return (FALSE); 93220a701b1eSRobert Gordon } 93230a701b1eSRobert Gordon wcl = args->wlist; 9324f837ee4aSSiddheshwar Mahesh rok->wlist_len = wlist_len; 93250a701b1eSRobert Gordon rok->wlist = wcl; 93260a701b1eSRobert Gordon return (TRUE); 93270a701b1eSRobert Gordon } 9328