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 51cc55349Srmesta * Common Development and Distribution License (the "License"). 61cc55349Srmesta * 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 */ 21*89621fe1SMarcel Telka 227c478bd9Sstevel@tonic-gate /* 23ef1d0734SMarcel Telka * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 24*89621fe1SMarcel Telka * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef _NFS_EXPORT_H 317c478bd9Sstevel@tonic-gate #define _NFS_EXPORT_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <nfs/nfs_sec.h> 341cc55349Srmesta #include <nfs/auth.h> 357c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 367c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 37b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <sys/kiconv.h> 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #ifdef __cplusplus 407c478bd9Sstevel@tonic-gate extern "C" { 417c478bd9Sstevel@tonic-gate #endif 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate /* 447c478bd9Sstevel@tonic-gate * nfs pseudo flavor number is owned by IANA. Need to make sure the 457c478bd9Sstevel@tonic-gate * Solaris specific NFS_FLAVOR_NOMAP number will not overlap with any 467c478bd9Sstevel@tonic-gate * new IANA defined pseudo flavor numbers. The chance for the overlap 477c478bd9Sstevel@tonic-gate * is very small since the growth of new flavor numbers is expected 487c478bd9Sstevel@tonic-gate * to be limited. 497c478bd9Sstevel@tonic-gate */ 507c478bd9Sstevel@tonic-gate #define NFS_FLAVOR_NOMAP 999999 /* no nfs flavor mapping */ 517c478bd9Sstevel@tonic-gate 528a429e7eSms /* 538a429e7eSms * As duplicate flavors can be passed into exportfs in the arguments, we 548a429e7eSms * allocate a cleaned up array with non duplicate flavors on the stack. 558a429e7eSms * So we need to know how much to allocate. 568a429e7eSms */ 578a429e7eSms #define MAX_FLAVORS 6 /* none, sys, dh, krb5, krb5i krb5p */ 588a429e7eSms 597c478bd9Sstevel@tonic-gate /* 607c478bd9Sstevel@tonic-gate * Note: exported_lock is currently used to ensure the integrity of 617c478bd9Sstevel@tonic-gate * the secinfo fields. 627c478bd9Sstevel@tonic-gate */ 637c478bd9Sstevel@tonic-gate struct secinfo { 647c478bd9Sstevel@tonic-gate seconfig_t s_secinfo; /* /etc/nfssec.conf entry */ 657c478bd9Sstevel@tonic-gate unsigned int s_flags; /* flags (see below) */ 668a429e7eSms int32_t s_refcnt; /* reference count for tracking */ 677c478bd9Sstevel@tonic-gate /* how many children (self included) */ 687c478bd9Sstevel@tonic-gate /* use this flavor. */ 697c478bd9Sstevel@tonic-gate int s_window; /* window */ 70b89a8333Snatalie li - Sun Microsystems - Irvine United States uint_t s_rootid; /* UID to use for authorized roots */ 717c478bd9Sstevel@tonic-gate int s_rootcnt; /* count of root names */ 727c478bd9Sstevel@tonic-gate caddr_t *s_rootnames; /* array of root names */ 737c478bd9Sstevel@tonic-gate /* they are strings for AUTH_DES and */ 747c478bd9Sstevel@tonic-gate /* rpc_gss_principal_t for RPCSEC_GSS */ 757c478bd9Sstevel@tonic-gate }; 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 787c478bd9Sstevel@tonic-gate struct secinfo32 { 797c478bd9Sstevel@tonic-gate seconfig32_t s_secinfo; /* /etc/nfssec.conf entry */ 807c478bd9Sstevel@tonic-gate uint32_t s_flags; /* flags (see below) */ 818a429e7eSms int32_t s_refcnt; /* reference count for tracking */ 827c478bd9Sstevel@tonic-gate /* how many children (self included) */ 837c478bd9Sstevel@tonic-gate /* use this flavor. */ 847c478bd9Sstevel@tonic-gate int32_t s_window; /* window */ 85b89a8333Snatalie li - Sun Microsystems - Irvine United States uint32_t s_rootid; /* UID to use for authorized roots */ 867c478bd9Sstevel@tonic-gate int32_t s_rootcnt; /* count of root names */ 877c478bd9Sstevel@tonic-gate caddr32_t s_rootnames; /* array of root names */ 887c478bd9Sstevel@tonic-gate /* they are strings for AUTH_DES and */ 897c478bd9Sstevel@tonic-gate /* rpc_gss_principal_t for RPCSEC_GSS */ 907c478bd9Sstevel@tonic-gate }; 917c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* 947c478bd9Sstevel@tonic-gate * security negotiation related 957c478bd9Sstevel@tonic-gate */ 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate #define SEC_QUERY 0x01 /* query sec modes */ 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate struct sec_ol { 1007c478bd9Sstevel@tonic-gate int sec_flags; /* security nego flags */ 1017c478bd9Sstevel@tonic-gate uint_t sec_index; /* index into sec flavor array */ 1027c478bd9Sstevel@tonic-gate }; 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* 1057c478bd9Sstevel@tonic-gate * Per-mode flags (secinfo.s_flags) 1067c478bd9Sstevel@tonic-gate */ 1077c478bd9Sstevel@tonic-gate #define M_RO 0x01 /* exported ro to all */ 1087c478bd9Sstevel@tonic-gate #define M_ROL 0x02 /* exported ro to all listed */ 1097c478bd9Sstevel@tonic-gate #define M_RW 0x04 /* exported rw to all */ 1107c478bd9Sstevel@tonic-gate #define M_RWL 0x08 /* exported ro to all listed */ 1117c478bd9Sstevel@tonic-gate #define M_ROOT 0x10 /* root list is defined */ 1127c478bd9Sstevel@tonic-gate #define M_4SEC_EXPORTED 0x20 /* this is an explicitly shared flavor */ 113b89a8333Snatalie li - Sun Microsystems - Irvine United States #define M_NONE 0x40 /* none list is defined */ 1145cb0d679SMarcel Telka #define M_MAP 0x80 /* uidmap and/or gidmap is defined */ 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate /* invalid secinfo reference count */ 1177c478bd9Sstevel@tonic-gate #define SEC_REF_INVALID(p) ((p)->s_refcnt < 1) 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* last secinfo reference */ 1207c478bd9Sstevel@tonic-gate #define SEC_REF_LAST(p) ((p)->s_refcnt == 1) 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate /* sec flavor explicitly shared for the exported node */ 1237c478bd9Sstevel@tonic-gate #define SEC_REF_EXPORTED(p) ((p)->s_flags & M_4SEC_EXPORTED) 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* the only reference count left is for referring itself */ 1267c478bd9Sstevel@tonic-gate #define SEC_REF_SELF(p) (SEC_REF_LAST(p) && SEC_REF_EXPORTED(p)) 1277c478bd9Sstevel@tonic-gate 1287c478bd9Sstevel@tonic-gate /* 1297c478bd9Sstevel@tonic-gate * The export information passed to exportfs() (Version 2) 1307c478bd9Sstevel@tonic-gate */ 1317c478bd9Sstevel@tonic-gate #define EX_CURRENT_VERSION 2 /* current version of exportdata struct */ 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate struct exportdata { 1347c478bd9Sstevel@tonic-gate int ex_version; /* structure version */ 1357c478bd9Sstevel@tonic-gate char *ex_path; /* exported path */ 1367c478bd9Sstevel@tonic-gate size_t ex_pathlen; /* path length */ 1377c478bd9Sstevel@tonic-gate int ex_flags; /* flags */ 1387c478bd9Sstevel@tonic-gate unsigned int ex_anon; /* uid for unauthenticated requests */ 1397c478bd9Sstevel@tonic-gate int ex_seccnt; /* count of security modes */ 1407c478bd9Sstevel@tonic-gate struct secinfo *ex_secinfo; /* security mode info */ 1417c478bd9Sstevel@tonic-gate char *ex_index; /* index file for public filesystem */ 1427c478bd9Sstevel@tonic-gate char *ex_log_buffer; /* path to logging buffer file */ 1437c478bd9Sstevel@tonic-gate size_t ex_log_bufferlen; /* buffer file path len */ 1447c478bd9Sstevel@tonic-gate char *ex_tag; /* tag used to identify log config */ 1457c478bd9Sstevel@tonic-gate size_t ex_taglen; /* tag length */ 1467c478bd9Sstevel@tonic-gate }; 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 1497c478bd9Sstevel@tonic-gate struct exportdata32 { 1507c478bd9Sstevel@tonic-gate int32_t ex_version; /* structure version */ 1517c478bd9Sstevel@tonic-gate caddr32_t ex_path; /* exported path */ 1527c478bd9Sstevel@tonic-gate int32_t ex_pathlen; /* path length */ 1537c478bd9Sstevel@tonic-gate int32_t ex_flags; /* flags */ 1547c478bd9Sstevel@tonic-gate uint32_t ex_anon; /* uid for unauthenticated requests */ 1557c478bd9Sstevel@tonic-gate int32_t ex_seccnt; /* count of security modes */ 1567c478bd9Sstevel@tonic-gate caddr32_t ex_secinfo; /* security mode info */ 1577c478bd9Sstevel@tonic-gate caddr32_t ex_index; /* index file for public filesystem */ 1587c478bd9Sstevel@tonic-gate caddr32_t ex_log_buffer; /* path to logging buffer file */ 1597c478bd9Sstevel@tonic-gate int32_t ex_log_bufferlen; /* buffer file path len */ 1607c478bd9Sstevel@tonic-gate caddr32_t ex_tag; /* tag used to identify log config */ 1617c478bd9Sstevel@tonic-gate int32_t ex_taglen; /* tag length */ 1627c478bd9Sstevel@tonic-gate }; 1637c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 1647c478bd9Sstevel@tonic-gate 1657c478bd9Sstevel@tonic-gate /* 1667c478bd9Sstevel@tonic-gate * exported vfs flags. 1677c478bd9Sstevel@tonic-gate */ 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate #define EX_NOSUID 0x01 /* exported with unsetable set[ug]ids */ 1707c478bd9Sstevel@tonic-gate #define EX_ACLOK 0x02 /* exported with maximal access if acl exists */ 1717c478bd9Sstevel@tonic-gate #define EX_PUBLIC 0x04 /* exported with public filehandle */ 1727c478bd9Sstevel@tonic-gate #define EX_NOSUB 0x08 /* no nfs_getfh or MCL below export point */ 1737c478bd9Sstevel@tonic-gate #define EX_INDEX 0x10 /* exported with index file specified */ 1747c478bd9Sstevel@tonic-gate #define EX_LOG 0x20 /* logging enabled */ 1757c478bd9Sstevel@tonic-gate #define EX_LOG_ALLOPS 0x40 /* logging of all RPC operations enabled */ 1767c478bd9Sstevel@tonic-gate /* by default only operations which affect */ 1777c478bd9Sstevel@tonic-gate /* transaction logging are enabled */ 1787c478bd9Sstevel@tonic-gate #define EX_PSEUDO 0x80 /* pseudo filesystem export */ 1797c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 1807c478bd9Sstevel@tonic-gate #define EX_VOLFH 0x100 /* XXX nfsv4 fh may expire anytime */ 1817c478bd9Sstevel@tonic-gate #define EX_VOLRNM 0x200 /* XXX nfsv4 fh expire at rename */ 1827c478bd9Sstevel@tonic-gate #define EX_VOLMIG 0x400 /* XXX nfsv4 fh expire at migration */ 1837c478bd9Sstevel@tonic-gate #define EX_NOEXPOPEN 0x800 /* XXX nfsv4 fh no expire with open */ 1847c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 1857c478bd9Sstevel@tonic-gate 186b89a8333Snatalie li - Sun Microsystems - Irvine United States #define EX_CHARMAP 0x1000 /* NFS may need a character set conversion */ 1876764e83bSVallish Vaidyeshwara #define EX_NOACLFAB 0x2000 /* If set, NFSv2 and v3 servers doesn't */ 1886764e83bSVallish Vaidyeshwara /* fabricate ACL for VOP_GETSECATTR OTW call */ 189b89a8333Snatalie li - Sun Microsystems - Irvine United States 1907c478bd9Sstevel@tonic-gate #ifdef _KERNEL 1917c478bd9Sstevel@tonic-gate 1927c478bd9Sstevel@tonic-gate #define RPC_IDEMPOTENT 0x1 /* idempotent or not */ 1937c478bd9Sstevel@tonic-gate /* 1947c478bd9Sstevel@tonic-gate * Be very careful about which NFS procedures get the RPC_ALLOWANON bit. 1955cb0d679SMarcel Telka * Right now, if this bit is on, we ignore the results of per NFS request 1967c478bd9Sstevel@tonic-gate * access control. 1977c478bd9Sstevel@tonic-gate */ 1987c478bd9Sstevel@tonic-gate #define RPC_ALLOWANON 0x2 /* allow anonymous access */ 1997c478bd9Sstevel@tonic-gate #define RPC_MAPRESP 0x4 /* use mapped response buffer */ 2007c478bd9Sstevel@tonic-gate #define RPC_AVOIDWORK 0x8 /* do work avoidance for dups */ 2017c478bd9Sstevel@tonic-gate #define RPC_PUBLICFH_OK 0x10 /* allow use of public filehandle */ 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate /* 2047c478bd9Sstevel@tonic-gate * RPC_ALL is an or of all above bits to be used with "don't care" 2057c478bd9Sstevel@tonic-gate * nfsv4 ops. The flags of an nfsv4 request is the bit-AND of the 2067c478bd9Sstevel@tonic-gate * per-op flags. 2077c478bd9Sstevel@tonic-gate */ 2087c478bd9Sstevel@tonic-gate #define RPC_ALL (RPC_IDEMPOTENT|RPC_ALLOWANON|RPC_AVOIDWORK|RPC_PUBLICFH_OK) 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 2127c478bd9Sstevel@tonic-gate struct ex_vol_rename { 2137c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t vrn_fh_fmt; 2147c478bd9Sstevel@tonic-gate struct ex_vol_rename *vrn_next; 2157c478bd9Sstevel@tonic-gate }; 2167c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 2177c478bd9Sstevel@tonic-gate 2183ccecb66SThomas Haynes /* 2193ccecb66SThomas Haynes * An auth cache entry can exist in 4 active states, with the inactive 2203ccecb66SThomas Haynes * state being indicated by no entry in the cache. 2213ccecb66SThomas Haynes * 2223ccecb66SThomas Haynes * A FRESH entry is one which is either new or has been refreshed at 2233ccecb66SThomas Haynes * least once. 2243ccecb66SThomas Haynes * 2253ccecb66SThomas Haynes * A STALE entry is one which has been detected to be too old. The 2263ccecb66SThomas Haynes * transistion from FRESH to STALE prevents multiple threads from 2273ccecb66SThomas Haynes * submitting refresh requests. 2283ccecb66SThomas Haynes * 2293ccecb66SThomas Haynes * A REFRESHING entry is one which is actively engaging the user land 2303ccecb66SThomas Haynes * mountd code to re-authenticate the cache entry. 2313ccecb66SThomas Haynes * 2323ccecb66SThomas Haynes * An INVALID entry was one which was either STALE or REFRESHING 2333ccecb66SThomas Haynes * and was deleted out of the encapsulating exi. Since we can't 2343ccecb66SThomas Haynes * delete it yet, we mark it as INVALID, which lets the refreshq 2353ccecb66SThomas Haynes * know not to work on it. 2363ccecb66SThomas Haynes * 2373ccecb66SThomas Haynes * Note that the auth state of the entry is always valid, even if the 2383ccecb66SThomas Haynes * entry is STALE. Just as you can eat stale bread, you can consume 2393ccecb66SThomas Haynes * a stale cache entry. The only time the contents change could be 2403ccecb66SThomas Haynes * during the transistion from REFRESHING to FRESH. 2413ccecb66SThomas Haynes */ 2423ccecb66SThomas Haynes typedef enum auth_state { 2433ccecb66SThomas Haynes NFS_AUTH_FRESH, 2443ccecb66SThomas Haynes NFS_AUTH_STALE, 2453ccecb66SThomas Haynes NFS_AUTH_REFRESHING, 2463ccecb66SThomas Haynes NFS_AUTH_INVALID 2473ccecb66SThomas Haynes } auth_state_t; 2483ccecb66SThomas Haynes 2497c478bd9Sstevel@tonic-gate /* 2507c478bd9Sstevel@tonic-gate * An authorization cache entry 2513ccecb66SThomas Haynes * 2523ccecb66SThomas Haynes * Either the state in auth_state will protect the 2533ccecb66SThomas Haynes * contents or auth_lock must be held. 2547c478bd9Sstevel@tonic-gate */ 2557c478bd9Sstevel@tonic-gate struct auth_cache { 2567c478bd9Sstevel@tonic-gate struct netbuf auth_addr; 2577c478bd9Sstevel@tonic-gate int auth_flavor; 2585cb0d679SMarcel Telka uid_t auth_clnt_uid; 2595cb0d679SMarcel Telka gid_t auth_clnt_gid; 260*89621fe1SMarcel Telka uint_t auth_clnt_ngids; 261*89621fe1SMarcel Telka gid_t *auth_clnt_gids; 2625cb0d679SMarcel Telka uid_t auth_srv_uid; 2635cb0d679SMarcel Telka gid_t auth_srv_gid; 264*89621fe1SMarcel Telka uint_t auth_srv_ngids; 265*89621fe1SMarcel Telka gid_t *auth_srv_gids; 2667c478bd9Sstevel@tonic-gate int auth_access; 2677c478bd9Sstevel@tonic-gate time_t auth_time; 2683ccecb66SThomas Haynes time_t auth_freshness; 2693ccecb66SThomas Haynes auth_state_t auth_state; 2703ccecb66SThomas Haynes char *auth_netid; 2713ccecb66SThomas Haynes kmutex_t auth_lock; 2727c478bd9Sstevel@tonic-gate struct auth_cache *auth_next; 2737c478bd9Sstevel@tonic-gate }; 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate #define AUTH_TABLESIZE 32 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * Structure containing log file meta-data. 2797c478bd9Sstevel@tonic-gate */ 2807c478bd9Sstevel@tonic-gate struct log_file { 2817c478bd9Sstevel@tonic-gate unsigned int lf_flags; /* flags (see below) */ 2827c478bd9Sstevel@tonic-gate int lf_writers; /* outstanding writers */ 2837c478bd9Sstevel@tonic-gate int lf_refcnt; /* references to this struct */ 2847c478bd9Sstevel@tonic-gate caddr_t lf_path; /* buffer file location */ 2857c478bd9Sstevel@tonic-gate vnode_t *lf_vp; /* vnode for the buffer file */ 2867c478bd9Sstevel@tonic-gate kmutex_t lf_lock; 2877c478bd9Sstevel@tonic-gate kcondvar_t lf_cv_waiters; 2887c478bd9Sstevel@tonic-gate }; 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate /* 2917c478bd9Sstevel@tonic-gate * log_file and log_buffer flags. 2927c478bd9Sstevel@tonic-gate */ 2937c478bd9Sstevel@tonic-gate #define L_WAITING 0x01 /* flush of in-core data to stable */ 2947c478bd9Sstevel@tonic-gate /* storage in progress */ 2957c478bd9Sstevel@tonic-gate #define L_PRINTED 0x02 /* error message printed to console */ 2967c478bd9Sstevel@tonic-gate #define L_ERROR 0x04 /* error condition detected */ 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* 2997c478bd9Sstevel@tonic-gate * The logging buffer information. 3007c478bd9Sstevel@tonic-gate * This structure may be shared by multiple exportinfo structures, 3017c478bd9Sstevel@tonic-gate * if they share the same buffer file. 3027c478bd9Sstevel@tonic-gate * This structure contains the basic information about the buffer, such 3037c478bd9Sstevel@tonic-gate * as it's location in the filesystem. 3047c478bd9Sstevel@tonic-gate * 3057c478bd9Sstevel@tonic-gate * 'lb_lock' protects all the fields in this structure except for 'lb_path', 3067c478bd9Sstevel@tonic-gate * and 'lb_next'. 3077c478bd9Sstevel@tonic-gate * 'lb_path' is a write-once/read-many field which needs no locking, it is 3087c478bd9Sstevel@tonic-gate * set before the structure is linked to any exportinfo structure. 3097c478bd9Sstevel@tonic-gate * 'lb_next' is protected by the log_buffer_list_lock. 3107c478bd9Sstevel@tonic-gate */ 3117c478bd9Sstevel@tonic-gate struct log_buffer { 3127c478bd9Sstevel@tonic-gate unsigned int lb_flags; /* L_ONLIST set? */ 3137c478bd9Sstevel@tonic-gate int lb_refcnt; /* references to this struct */ 3147c478bd9Sstevel@tonic-gate unsigned int lb_rec_id; /* used to generate unique id */ 3157c478bd9Sstevel@tonic-gate caddr_t lb_path; /* buffer file pathname */ 3167c478bd9Sstevel@tonic-gate struct log_file *lb_logfile; /* points to log_file structure */ 3177c478bd9Sstevel@tonic-gate kmutex_t lb_lock; 3187c478bd9Sstevel@tonic-gate struct log_buffer *lb_next; 3197c478bd9Sstevel@tonic-gate kcondvar_t lb_cv_waiters; 3207c478bd9Sstevel@tonic-gate caddr_t lb_records; /* linked list of records to write */ 3217c478bd9Sstevel@tonic-gate int lb_num_recs; /* # of records to write */ 3227c478bd9Sstevel@tonic-gate ssize_t lb_size_queued; /* number of bytes queued for write */ 3237c478bd9Sstevel@tonic-gate }; 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate #define LOG_BUFFER_HOLD(lbp) { \ 3267c478bd9Sstevel@tonic-gate mutex_enter(&(lbp)->lb_lock); \ 3277c478bd9Sstevel@tonic-gate (lbp)->lb_refcnt++; \ 3287c478bd9Sstevel@tonic-gate mutex_exit(&(lbp)->lb_lock); \ 3297c478bd9Sstevel@tonic-gate } 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate #define LOG_BUFFER_RELE(lbp) { \ 3327c478bd9Sstevel@tonic-gate log_buffer_rele(lbp); \ 3337c478bd9Sstevel@tonic-gate } 3347c478bd9Sstevel@tonic-gate 335b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 336b89a8333Snatalie li - Sun Microsystems - Irvine United States * Structure for character set conversion mapping based on client address. 337b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 338b89a8333Snatalie li - Sun Microsystems - Irvine United States struct charset_cache { 339b89a8333Snatalie li - Sun Microsystems - Irvine United States struct charset_cache *next; 340b89a8333Snatalie li - Sun Microsystems - Irvine United States kiconv_t inbound; 341b89a8333Snatalie li - Sun Microsystems - Irvine United States kiconv_t outbound; 342b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr client_addr; 343b89a8333Snatalie li - Sun Microsystems - Irvine United States }; 344b89a8333Snatalie li - Sun Microsystems - Irvine United States 345992d2facSpf /* Forward declarations */ 346992d2facSpf struct exportinfo; 347992d2facSpf struct exp_visible; 3482f172c55SRobert Thurlow struct svc_req; 349992d2facSpf 350992d2facSpf /* 351992d2facSpf * Treenodes are used to build tree representing every node which is part 3523f238301SPavel Filipensky * of nfs server pseudo namespace. They are connected with both exportinfo 3533f238301SPavel Filipensky * and exp_visible struct. They were introduced to avoid lookup of ".." 3543f238301SPavel Filipensky * in the underlying file system during unshare, which was failing if the 3553f238301SPavel Filipensky * file system was forcibly unmounted or if the directory was removed. 3563f238301SPavel Filipensky * One exp_visible_t can be shared via several treenode_t, i.e. 3573f238301SPavel Filipensky * different tree_vis can point to the same exp_visible_t. 3583f238301SPavel Filipensky * This will happen if some directory is on two different shared paths: 3593f238301SPavel Filipensky * E.g. after share /tmp/a/b1 and share /tmp/a/b2 there will be two treenodes 3603f238301SPavel Filipensky * corresponding to /tmp/a and both will have same value in tree_vis. 361992d2facSpf * 362992d2facSpf * 363992d2facSpf * 364992d2facSpf * NEW DATA STRUCT ORIGINAL DATA STRUCT 365992d2facSpf * 366992d2facSpf * ns_root +---+ +----------+ 367992d2facSpf * | / | |PSEUDO EXP|-->+---+ +---+ +---+ 368992d2facSpf * +---+--------- ----+----------+ | a |-->| k |-->| b | 369992d2facSpf * /\ +---+ +---+ +---+ 370992d2facSpf * / \ . . . 371992d2facSpf * +---+...\......... ..................... . . 372992d2facSpf * *| a | \ +----------+ . . 373992d2facSpf * +---+-----\------- ----|REAL EXP a| . . 374992d2facSpf * / \ +----------+ . . 375992d2facSpf * / +===+... ............................. . 376992d2facSpf * / *| k | +----------+ . 377992d2facSpf * / +===+--- ----|REAL EXP k| . 378992d2facSpf * / +----------+ . 379992d2facSpf * +===+................ ..................................... 380992d2facSpf * *| b | +----------+ 381992d2facSpf * +===+---------------- ----|REAL EXP b|-->+---+ 382992d2facSpf * \ +----------+ | d | 383992d2facSpf * +===+............. ...................+---+ 384992d2facSpf * | d | +----------+ 385992d2facSpf * +===+------------- ----|PSEUDO EXP|-->+---+ +---+ 386992d2facSpf * / +----------+ | e |-->| g | 387992d2facSpf * +---+................. ...................+---+ +---+ 388992d2facSpf * | e | . 389992d2facSpf * +---+ . 390992d2facSpf * \ . 391992d2facSpf * +---+.............. ............................ 392992d2facSpf * *| g | +----------+ 393992d2facSpf * +---+-------------- ----|REAL EXP g| 394992d2facSpf * +----------+ 395992d2facSpf * 396992d2facSpf * 397992d2facSpf * 398992d2facSpf * +===+ +---+ +---+ 399992d2facSpf * | b |..mountpoint | e |..directory/file *| a |..node is shared 400992d2facSpf * +===+ (VROOT) +---+ +---+ 401992d2facSpf * 402992d2facSpf * 403992d2facSpf * Bi-directional interconnect: 404992d2facSpf * treenode_t::tree_exi --------- exportinfo_t::exi_tree 4053f238301SPavel Filipensky * One-way direction connection: 4063f238301SPavel Filipensky * treenode_t::tree_vis .........> exp_visible_t 407992d2facSpf */ 408c076b414SPavel Filipensky /* Access to treenode_t is under protection of exported_lock RW_LOCK */ 409992d2facSpf typedef struct treenode { 410992d2facSpf /* support for generic n-ary trees */ 411992d2facSpf struct treenode *tree_parent; 412992d2facSpf struct treenode *tree_child_first; 413992d2facSpf struct treenode *tree_sibling; /* next sibling */ 414992d2facSpf /* private, nfs specific part */ 415992d2facSpf struct exportinfo *tree_exi; 416992d2facSpf struct exp_visible *tree_vis; 417992d2facSpf } treenode_t; 418992d2facSpf 419992d2facSpf /* 420992d2facSpf * TREE_ROOT checks if the node corresponds to a filesystem root 421992d2facSpf * TREE_EXPORTED checks if the node is explicitly shared 422992d2facSpf */ 423992d2facSpf 424992d2facSpf #define TREE_ROOT(t) \ 425992d2facSpf ((t)->tree_exi && (t)->tree_exi->exi_vp->v_flag & VROOT) 426992d2facSpf 427992d2facSpf #define TREE_EXPORTED(t) \ 428992d2facSpf ((t)->tree_exi && !PSEUDO((t)->tree_exi)) 429992d2facSpf 430992d2facSpf /* Root of nfs pseudo namespace */ 431c076b414SPavel Filipensky extern treenode_t *ns_root; 432992d2facSpf 4330616fd7fSPavel Filipensky #define EXPTABLESIZE 256 4340616fd7fSPavel Filipensky 4350616fd7fSPavel Filipensky struct exp_hash { 4360616fd7fSPavel Filipensky struct exportinfo *prev; /* ptr to the previous exportinfo */ 4370616fd7fSPavel Filipensky struct exportinfo *next; /* ptr to the next exportinfo */ 4380616fd7fSPavel Filipensky struct exportinfo **bckt; /* backpointer to the hash bucket */ 4390616fd7fSPavel Filipensky }; 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate /* 4427c478bd9Sstevel@tonic-gate * A node associated with an export entry on the 4437c478bd9Sstevel@tonic-gate * list of exported filesystems. 4447c478bd9Sstevel@tonic-gate * 4457c478bd9Sstevel@tonic-gate * exi_count+exi_lock protects an individual exportinfo from being freed 4467c478bd9Sstevel@tonic-gate * when in use. 4473ccecb66SThomas Haynes * 4487c478bd9Sstevel@tonic-gate * You must have the writer lock on exported_lock to add/delete an exportinfo 4497c478bd9Sstevel@tonic-gate * structure to/from the list. 4507c478bd9Sstevel@tonic-gate * 4517c478bd9Sstevel@tonic-gate * exi_volatile_dev maps to VSW_VOLATILEDEV. It means that the 4527c478bd9Sstevel@tonic-gate * underlying fs devno can change on each mount. When set, the server 4537c478bd9Sstevel@tonic-gate * should not use va_fsid for a GETATTR(FATTR4_FSID) reply. It must 4547c478bd9Sstevel@tonic-gate * use exi_fsid because it is guaranteed to be persistent. This isn't 4557c478bd9Sstevel@tonic-gate * in any way related to NFS4 volatile filehandles. 4567c478bd9Sstevel@tonic-gate */ 4577c478bd9Sstevel@tonic-gate struct exportinfo { 4587c478bd9Sstevel@tonic-gate struct exportdata exi_export; 4597c478bd9Sstevel@tonic-gate fsid_t exi_fsid; 4607c478bd9Sstevel@tonic-gate struct fid exi_fid; 4610616fd7fSPavel Filipensky struct exp_hash fid_hash; 4620616fd7fSPavel Filipensky struct exp_hash path_hash; 463992d2facSpf struct treenode *exi_tree; 4647c478bd9Sstevel@tonic-gate fhandle_t exi_fh; 4657c478bd9Sstevel@tonic-gate krwlock_t exi_cache_lock; 4667c478bd9Sstevel@tonic-gate kmutex_t exi_lock; 4677c478bd9Sstevel@tonic-gate uint_t exi_count; 4687c478bd9Sstevel@tonic-gate vnode_t *exi_vp; 4697c478bd9Sstevel@tonic-gate vnode_t *exi_dvp; 4707c478bd9Sstevel@tonic-gate struct auth_cache *exi_cache[AUTH_TABLESIZE]; 4717c478bd9Sstevel@tonic-gate struct log_buffer *exi_logbuffer; 4727c478bd9Sstevel@tonic-gate struct exp_visible *exi_visible; 473b89a8333Snatalie li - Sun Microsystems - Irvine United States struct charset_cache *exi_charset; 4747c478bd9Sstevel@tonic-gate unsigned exi_volatile_dev:1; 4752f172c55SRobert Thurlow unsigned exi_moved:1; 4767c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 4777c478bd9Sstevel@tonic-gate uint32_t exi_volatile_id; 4787c478bd9Sstevel@tonic-gate struct ex_vol_rename *exi_vol_rename; 4797c478bd9Sstevel@tonic-gate kmutex_t exi_vol_rename_lock; 4807c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 4817c478bd9Sstevel@tonic-gate }; 4827c478bd9Sstevel@tonic-gate 483af9f9769Sjasmith typedef struct exportinfo exportinfo_t; 484af9f9769Sjasmith typedef struct exportdata exportdata_t; 485af9f9769Sjasmith typedef struct secinfo secinfo_t; 486af9f9769Sjasmith 4877c478bd9Sstevel@tonic-gate /* 4887c478bd9Sstevel@tonic-gate * exp_visible is a visible list per filesystem. It is for filesystems 4897c478bd9Sstevel@tonic-gate * that may need a limited view of its contents. A pseudo export and 4907c478bd9Sstevel@tonic-gate * a real export at the mount point (VROOT) which has a subtree shared 4917c478bd9Sstevel@tonic-gate * has a visible list. 4927c478bd9Sstevel@tonic-gate * 4937c478bd9Sstevel@tonic-gate * The exi_visible field is NULL for normal, non=pseudo filesystems 4947c478bd9Sstevel@tonic-gate * which do not have any subtree exported. If the field is non-null, 4957c478bd9Sstevel@tonic-gate * it points to a list of visible entries, identified by vis_fid and/or 4967c478bd9Sstevel@tonic-gate * vis_ino. The presence of a "visible" list means that if this export 4977c478bd9Sstevel@tonic-gate * can only have a limited view, it can only view the entries in the 4987c478bd9Sstevel@tonic-gate * exp_visible list. The directories in the fid list comprise paths that 4997c478bd9Sstevel@tonic-gate * lead to exported directories. 5007c478bd9Sstevel@tonic-gate * 5017c478bd9Sstevel@tonic-gate * The vis_count field records the number of paths in this filesystem 5027c478bd9Sstevel@tonic-gate * that use this directory. The vis_exported field is non-zero if the 5037c478bd9Sstevel@tonic-gate * entry is an exported directory (leaf node). 504c076b414SPavel Filipensky * 505c076b414SPavel Filipensky * exp_visible itself is not reference counted. Each exp_visible is 506c076b414SPavel Filipensky * referenced twice: 507c076b414SPavel Filipensky * 1) from treenode::tree_vis 508c076b414SPavel Filipensky * 2) linked from exportinfo::exi_visible 509c076b414SPavel Filipensky * The 'owner' of exp_visible is the exportinfo structure. exp_visible should 510c076b414SPavel Filipensky * be always freed only from exportinfo_t, never from treenode::tree_vis. 5117c478bd9Sstevel@tonic-gate */ 5127c478bd9Sstevel@tonic-gate 5137c478bd9Sstevel@tonic-gate struct exp_visible { 5147c478bd9Sstevel@tonic-gate vnode_t *vis_vp; 5157c478bd9Sstevel@tonic-gate fid_t vis_fid; 5167c478bd9Sstevel@tonic-gate u_longlong_t vis_ino; 5177c478bd9Sstevel@tonic-gate int vis_count; 5187c478bd9Sstevel@tonic-gate int vis_exported; 5197c478bd9Sstevel@tonic-gate struct exp_visible *vis_next; 520af9f9769Sjasmith struct secinfo *vis_secinfo; 521af9f9769Sjasmith int vis_seccnt; 5227c478bd9Sstevel@tonic-gate }; 523af9f9769Sjasmith typedef struct exp_visible exp_visible_t; 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate #define PSEUDO(exi) ((exi)->exi_export.ex_flags & EX_PSEUDO) 5260616fd7fSPavel Filipensky #define EXP_LINKED(exi) ((exi)->fid_hash.bckt != NULL) 5277c478bd9Sstevel@tonic-gate 5287c478bd9Sstevel@tonic-gate #define EQFSID(fsidp1, fsidp2) \ 5297c478bd9Sstevel@tonic-gate (((fsidp1)->val[0] == (fsidp2)->val[0]) && \ 5307c478bd9Sstevel@tonic-gate ((fsidp1)->val[1] == (fsidp2)->val[1])) 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate #define EQFID(fidp1, fidp2) \ 5337c478bd9Sstevel@tonic-gate ((fidp1)->fid_len == (fidp2)->fid_len && \ 5347c46fb7fSek bcmp((char *)(fidp1)->fid_data, (char *)(fidp2)->fid_data, \ 5357c478bd9Sstevel@tonic-gate (uint_t)(fidp1)->fid_len) == 0) 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate #define exportmatch(exi, fsid, fid) \ 5387c478bd9Sstevel@tonic-gate (EQFSID(&(exi)->exi_fsid, (fsid)) && EQFID(&(exi)->exi_fid, (fid))) 5397c478bd9Sstevel@tonic-gate 5407c478bd9Sstevel@tonic-gate /* 5417c478bd9Sstevel@tonic-gate * Returns true iff exported filesystem is read-only to the given host. 5427c478bd9Sstevel@tonic-gate * 5437c478bd9Sstevel@tonic-gate * Note: this macro should be as fast as possible since it's called 5447c478bd9Sstevel@tonic-gate * on each NFS modification request. 5457c478bd9Sstevel@tonic-gate */ 5465cb0d679SMarcel Telka #define rdonly(ro, vp) ((ro) || vn_is_readonly(vp)) 5475cb0d679SMarcel Telka #define rdonly4(req, cs) \ 5485cb0d679SMarcel Telka (vn_is_readonly((cs)->vp) || \ 5495cb0d679SMarcel Telka (nfsauth4_access((cs)->exi, (cs)->vp, (req), (cs)->basecr, NULL, \ 550*89621fe1SMarcel Telka NULL, NULL, NULL) & (NFSAUTH_RO | NFSAUTH_LIMITED))) 5517c478bd9Sstevel@tonic-gate 5527c478bd9Sstevel@tonic-gate extern int nfsauth4_access(struct exportinfo *, vnode_t *, 553*89621fe1SMarcel Telka struct svc_req *, cred_t *, uid_t *, gid_t *, uint_t *, gid_t **); 5547c478bd9Sstevel@tonic-gate extern int nfsauth4_secinfo_access(struct exportinfo *, 555*89621fe1SMarcel Telka struct svc_req *, int, int, cred_t *); 5567c478bd9Sstevel@tonic-gate extern int nfs_fhbcmp(char *, char *, int); 5577c478bd9Sstevel@tonic-gate extern int nfs_exportinit(void); 5587c478bd9Sstevel@tonic-gate extern void nfs_exportfini(void); 5595cb0d679SMarcel Telka extern int chk_clnt_sec(struct exportinfo *, struct svc_req *); 5607c478bd9Sstevel@tonic-gate extern int makefh(fhandle_t *, struct vnode *, struct exportinfo *); 5617c478bd9Sstevel@tonic-gate extern int makefh_ol(fhandle_t *, struct exportinfo *, uint_t); 5627c478bd9Sstevel@tonic-gate extern int makefh3(nfs_fh3 *, struct vnode *, struct exportinfo *); 5637c478bd9Sstevel@tonic-gate extern int makefh3_ol(nfs_fh3 *, struct exportinfo *, uint_t); 5647c478bd9Sstevel@tonic-gate extern vnode_t *nfs_fhtovp(fhandle_t *, struct exportinfo *); 5657c478bd9Sstevel@tonic-gate extern vnode_t *nfs3_fhtovp(nfs_fh3 *, struct exportinfo *); 5667c478bd9Sstevel@tonic-gate extern struct exportinfo *checkexport(fsid_t *, struct fid *); 5675cb0d679SMarcel Telka extern struct exportinfo *checkexport4(fsid_t *, struct fid *, vnode_t *); 5683ccecb66SThomas Haynes extern void exi_hold(struct exportinfo *); 5697c478bd9Sstevel@tonic-gate extern void exi_rele(struct exportinfo *); 5707c478bd9Sstevel@tonic-gate extern struct exportinfo *nfs_vptoexi(vnode_t *, vnode_t *, cred_t *, int *, 5717c478bd9Sstevel@tonic-gate int *, bool_t); 5727c478bd9Sstevel@tonic-gate extern int nfs_check_vpexi(vnode_t *, vnode_t *, cred_t *, 5737c478bd9Sstevel@tonic-gate struct exportinfo **); 5747c478bd9Sstevel@tonic-gate extern void export_link(struct exportinfo *); 5750616fd7fSPavel Filipensky extern void export_unlink(struct exportinfo *); 5767c478bd9Sstevel@tonic-gate extern vnode_t *untraverse(vnode_t *); 5772f172c55SRobert Thurlow extern int vn_is_nfs_reparse(vnode_t *, cred_t *); 5782f172c55SRobert Thurlow extern int client_is_downrev(struct svc_req *); 5792f172c55SRobert Thurlow extern char *build_symlink(vnode_t *, cred_t *, size_t *); 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate /* 5827c478bd9Sstevel@tonic-gate * Functions that handle the NFSv4 server namespace 5837c478bd9Sstevel@tonic-gate */ 5843f238301SPavel Filipensky extern exportinfo_t *vis2exi(treenode_t *); 5857c478bd9Sstevel@tonic-gate extern int treeclimb_export(struct exportinfo *); 586992d2facSpf extern void treeclimb_unexport(struct exportinfo *); 5877c478bd9Sstevel@tonic-gate extern int nfs_visible(struct exportinfo *, vnode_t *, int *); 5887c478bd9Sstevel@tonic-gate extern int nfs_visible_inode(struct exportinfo *, ino64_t, int *); 5897c478bd9Sstevel@tonic-gate extern int has_visible(struct exportinfo *, vnode_t *); 5907c478bd9Sstevel@tonic-gate extern void free_visible(struct exp_visible *); 5917c478bd9Sstevel@tonic-gate extern int nfs_exported(struct exportinfo *, vnode_t *); 5920616fd7fSPavel Filipensky extern struct exportinfo *pseudo_exportfs(vnode_t *, fid_t *, 5930616fd7fSPavel Filipensky struct exp_visible *, struct exportdata *); 5945cb0d679SMarcel Telka extern int vop_fid_pseudo(vnode_t *, fid_t *); 5957c478bd9Sstevel@tonic-gate extern int nfs4_vget_pseudo(struct exportinfo *, vnode_t **, fid_t *); 5967c478bd9Sstevel@tonic-gate /* 5977c478bd9Sstevel@tonic-gate * Functions that handle the NFSv4 server namespace security flavors 5987c478bd9Sstevel@tonic-gate * information. 5997c478bd9Sstevel@tonic-gate */ 6007c478bd9Sstevel@tonic-gate extern void srv_secinfo_exp2pseu(struct exportdata *, struct exportdata *); 601af9f9769Sjasmith extern void srv_secinfo_list_free(struct secinfo *, int); 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate /* 6047c478bd9Sstevel@tonic-gate * "public" and default (root) location for public filehandle 6057c478bd9Sstevel@tonic-gate */ 6067c478bd9Sstevel@tonic-gate extern struct exportinfo *exi_public, *exi_root; 6077c478bd9Sstevel@tonic-gate extern fhandle_t nullfh2; /* for comparing V2 filehandles */ 6087c478bd9Sstevel@tonic-gate extern krwlock_t exported_lock; 6097c478bd9Sstevel@tonic-gate extern struct exportinfo *exptable[]; 6107c478bd9Sstevel@tonic-gate 6117c478bd9Sstevel@tonic-gate /* 6127c478bd9Sstevel@tonic-gate * Two macros for identifying public filehandles. 6137c478bd9Sstevel@tonic-gate * A v2 public filehandle is 32 zero bytes. 6147c478bd9Sstevel@tonic-gate * A v3 public filehandle is zero length. 6157c478bd9Sstevel@tonic-gate */ 6167c478bd9Sstevel@tonic-gate #define PUBLIC_FH2(fh) \ 6177c478bd9Sstevel@tonic-gate ((fh)->fh_fsid.val[1] == 0 && \ 6187c478bd9Sstevel@tonic-gate bcmp((fh), &nullfh2, sizeof (fhandle_t)) == 0) 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate #define PUBLIC_FH3(fh) \ 6217c478bd9Sstevel@tonic-gate ((fh)->fh3_length == 0) 6227c478bd9Sstevel@tonic-gate 6237c478bd9Sstevel@tonic-gate extern int makefh4(nfs_fh4 *, struct vnode *, struct exportinfo *); 6247c478bd9Sstevel@tonic-gate extern vnode_t *nfs4_fhtovp(nfs_fh4 *, struct exportinfo *, nfsstat4 *); 6257c478bd9Sstevel@tonic-gate 6267c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 6277c478bd9Sstevel@tonic-gate 6287c478bd9Sstevel@tonic-gate #ifdef __cplusplus 6297c478bd9Sstevel@tonic-gate } 6307c478bd9Sstevel@tonic-gate #endif 6317c478bd9Sstevel@tonic-gate 6327c478bd9Sstevel@tonic-gate #endif /* _NFS_EXPORT_H */ 633