1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #ifndef _NFS_EXPORT_H 31*0Sstevel@tonic-gate #define _NFS_EXPORT_H 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include <nfs/nfs_sec.h> 36*0Sstevel@tonic-gate #include <rpcsvc/nfsauth_prot.h> 37*0Sstevel@tonic-gate #include <sys/vnode.h> 38*0Sstevel@tonic-gate #include <nfs/nfs4.h> 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #ifdef __cplusplus 41*0Sstevel@tonic-gate extern "C" { 42*0Sstevel@tonic-gate #endif 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate /* 45*0Sstevel@tonic-gate * nfs pseudo flavor number is owned by IANA. Need to make sure the 46*0Sstevel@tonic-gate * Solaris specific NFS_FLAVOR_NOMAP number will not overlap with any 47*0Sstevel@tonic-gate * new IANA defined pseudo flavor numbers. The chance for the overlap 48*0Sstevel@tonic-gate * is very small since the growth of new flavor numbers is expected 49*0Sstevel@tonic-gate * to be limited. 50*0Sstevel@tonic-gate */ 51*0Sstevel@tonic-gate #define NFS_FLAVOR_NOMAP 999999 /* no nfs flavor mapping */ 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate /* 54*0Sstevel@tonic-gate * Note: exported_lock is currently used to ensure the integrity of 55*0Sstevel@tonic-gate * the secinfo fields. 56*0Sstevel@tonic-gate */ 57*0Sstevel@tonic-gate struct secinfo { 58*0Sstevel@tonic-gate seconfig_t s_secinfo; /* /etc/nfssec.conf entry */ 59*0Sstevel@tonic-gate unsigned int s_flags; /* flags (see below) */ 60*0Sstevel@tonic-gate uint32_t s_refcnt; /* reference count for tracking */ 61*0Sstevel@tonic-gate /* how many children (self included) */ 62*0Sstevel@tonic-gate /* use this flavor. */ 63*0Sstevel@tonic-gate int s_window; /* window */ 64*0Sstevel@tonic-gate int s_rootcnt; /* count of root names */ 65*0Sstevel@tonic-gate caddr_t *s_rootnames; /* array of root names */ 66*0Sstevel@tonic-gate /* they are strings for AUTH_DES and */ 67*0Sstevel@tonic-gate /* rpc_gss_principal_t for RPCSEC_GSS */ 68*0Sstevel@tonic-gate }; 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate #ifdef _SYSCALL32 71*0Sstevel@tonic-gate struct secinfo32 { 72*0Sstevel@tonic-gate seconfig32_t s_secinfo; /* /etc/nfssec.conf entry */ 73*0Sstevel@tonic-gate uint32_t s_flags; /* flags (see below) */ 74*0Sstevel@tonic-gate uint32_t s_refcnt; /* reference count for tracking */ 75*0Sstevel@tonic-gate /* how many children (self included) */ 76*0Sstevel@tonic-gate /* use this flavor. */ 77*0Sstevel@tonic-gate int32_t s_window; /* window */ 78*0Sstevel@tonic-gate int32_t s_rootcnt; /* count of root names */ 79*0Sstevel@tonic-gate caddr32_t s_rootnames; /* array of root names */ 80*0Sstevel@tonic-gate /* they are strings for AUTH_DES and */ 81*0Sstevel@tonic-gate /* rpc_gss_principal_t for RPCSEC_GSS */ 82*0Sstevel@tonic-gate }; 83*0Sstevel@tonic-gate #endif /* _SYSCALL32 */ 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate /* 86*0Sstevel@tonic-gate * security negotiation related 87*0Sstevel@tonic-gate */ 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate #define SEC_QUERY 0x01 /* query sec modes */ 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate struct sec_ol { 92*0Sstevel@tonic-gate int sec_flags; /* security nego flags */ 93*0Sstevel@tonic-gate uint_t sec_index; /* index into sec flavor array */ 94*0Sstevel@tonic-gate }; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate /* 97*0Sstevel@tonic-gate * Per-mode flags (secinfo.s_flags) 98*0Sstevel@tonic-gate */ 99*0Sstevel@tonic-gate #define M_RO 0x01 /* exported ro to all */ 100*0Sstevel@tonic-gate #define M_ROL 0x02 /* exported ro to all listed */ 101*0Sstevel@tonic-gate #define M_RW 0x04 /* exported rw to all */ 102*0Sstevel@tonic-gate #define M_RWL 0x08 /* exported ro to all listed */ 103*0Sstevel@tonic-gate #define M_ROOT 0x10 /* root list is defined */ 104*0Sstevel@tonic-gate #define M_4SEC_EXPORTED 0x20 /* this is an explicitly shared flavor */ 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate /* invalid secinfo reference count */ 107*0Sstevel@tonic-gate #define SEC_REF_INVALID(p) ((p)->s_refcnt < 1) 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate /* last secinfo reference */ 110*0Sstevel@tonic-gate #define SEC_REF_LAST(p) ((p)->s_refcnt == 1) 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate /* sec flavor explicitly shared for the exported node */ 113*0Sstevel@tonic-gate #define SEC_REF_EXPORTED(p) ((p)->s_flags & M_4SEC_EXPORTED) 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate /* the only reference count left is for referring itself */ 116*0Sstevel@tonic-gate #define SEC_REF_SELF(p) (SEC_REF_LAST(p) && SEC_REF_EXPORTED(p)) 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate /* 119*0Sstevel@tonic-gate * The export information passed to exportfs() (Version 2) 120*0Sstevel@tonic-gate */ 121*0Sstevel@tonic-gate #define EX_CURRENT_VERSION 2 /* current version of exportdata struct */ 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate struct exportdata { 124*0Sstevel@tonic-gate int ex_version; /* structure version */ 125*0Sstevel@tonic-gate char *ex_path; /* exported path */ 126*0Sstevel@tonic-gate size_t ex_pathlen; /* path length */ 127*0Sstevel@tonic-gate int ex_flags; /* flags */ 128*0Sstevel@tonic-gate unsigned int ex_anon; /* uid for unauthenticated requests */ 129*0Sstevel@tonic-gate int ex_seccnt; /* count of security modes */ 130*0Sstevel@tonic-gate struct secinfo *ex_secinfo; /* security mode info */ 131*0Sstevel@tonic-gate char *ex_index; /* index file for public filesystem */ 132*0Sstevel@tonic-gate char *ex_log_buffer; /* path to logging buffer file */ 133*0Sstevel@tonic-gate size_t ex_log_bufferlen; /* buffer file path len */ 134*0Sstevel@tonic-gate char *ex_tag; /* tag used to identify log config */ 135*0Sstevel@tonic-gate size_t ex_taglen; /* tag length */ 136*0Sstevel@tonic-gate }; 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate #ifdef _SYSCALL32 139*0Sstevel@tonic-gate struct exportdata32 { 140*0Sstevel@tonic-gate int32_t ex_version; /* structure version */ 141*0Sstevel@tonic-gate caddr32_t ex_path; /* exported path */ 142*0Sstevel@tonic-gate int32_t ex_pathlen; /* path length */ 143*0Sstevel@tonic-gate int32_t ex_flags; /* flags */ 144*0Sstevel@tonic-gate uint32_t ex_anon; /* uid for unauthenticated requests */ 145*0Sstevel@tonic-gate int32_t ex_seccnt; /* count of security modes */ 146*0Sstevel@tonic-gate caddr32_t ex_secinfo; /* security mode info */ 147*0Sstevel@tonic-gate caddr32_t ex_index; /* index file for public filesystem */ 148*0Sstevel@tonic-gate caddr32_t ex_log_buffer; /* path to logging buffer file */ 149*0Sstevel@tonic-gate int32_t ex_log_bufferlen; /* buffer file path len */ 150*0Sstevel@tonic-gate caddr32_t ex_tag; /* tag used to identify log config */ 151*0Sstevel@tonic-gate int32_t ex_taglen; /* tag length */ 152*0Sstevel@tonic-gate }; 153*0Sstevel@tonic-gate #endif /* _SYSCALL32 */ 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate /* 156*0Sstevel@tonic-gate * exported vfs flags. 157*0Sstevel@tonic-gate */ 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate #define EX_NOSUID 0x01 /* exported with unsetable set[ug]ids */ 160*0Sstevel@tonic-gate #define EX_ACLOK 0x02 /* exported with maximal access if acl exists */ 161*0Sstevel@tonic-gate #define EX_PUBLIC 0x04 /* exported with public filehandle */ 162*0Sstevel@tonic-gate #define EX_NOSUB 0x08 /* no nfs_getfh or MCL below export point */ 163*0Sstevel@tonic-gate #define EX_INDEX 0x10 /* exported with index file specified */ 164*0Sstevel@tonic-gate #define EX_LOG 0x20 /* logging enabled */ 165*0Sstevel@tonic-gate #define EX_LOG_ALLOPS 0x40 /* logging of all RPC operations enabled */ 166*0Sstevel@tonic-gate /* by default only operations which affect */ 167*0Sstevel@tonic-gate /* transaction logging are enabled */ 168*0Sstevel@tonic-gate #define EX_PSEUDO 0x80 /* pseudo filesystem export */ 169*0Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 170*0Sstevel@tonic-gate #define EX_VOLFH 0x100 /* XXX nfsv4 fh may expire anytime */ 171*0Sstevel@tonic-gate #define EX_VOLRNM 0x200 /* XXX nfsv4 fh expire at rename */ 172*0Sstevel@tonic-gate #define EX_VOLMIG 0x400 /* XXX nfsv4 fh expire at migration */ 173*0Sstevel@tonic-gate #define EX_NOEXPOPEN 0x800 /* XXX nfsv4 fh no expire with open */ 174*0Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate #ifdef _KERNEL 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate #define RPC_IDEMPOTENT 0x1 /* idempotent or not */ 179*0Sstevel@tonic-gate /* 180*0Sstevel@tonic-gate * Be very careful about which NFS procedures get the RPC_ALLOWANON bit. 181*0Sstevel@tonic-gate * Right now, it this bit is on, we ignore the results of per NFS request 182*0Sstevel@tonic-gate * access control. 183*0Sstevel@tonic-gate */ 184*0Sstevel@tonic-gate #define RPC_ALLOWANON 0x2 /* allow anonymous access */ 185*0Sstevel@tonic-gate #define RPC_MAPRESP 0x4 /* use mapped response buffer */ 186*0Sstevel@tonic-gate #define RPC_AVOIDWORK 0x8 /* do work avoidance for dups */ 187*0Sstevel@tonic-gate #define RPC_PUBLICFH_OK 0x10 /* allow use of public filehandle */ 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate /* 190*0Sstevel@tonic-gate * RPC_ALL is an or of all above bits to be used with "don't care" 191*0Sstevel@tonic-gate * nfsv4 ops. The flags of an nfsv4 request is the bit-AND of the 192*0Sstevel@tonic-gate * per-op flags. 193*0Sstevel@tonic-gate */ 194*0Sstevel@tonic-gate #define RPC_ALL (RPC_IDEMPOTENT|RPC_ALLOWANON|RPC_AVOIDWORK|RPC_PUBLICFH_OK) 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate 197*0Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 198*0Sstevel@tonic-gate struct ex_vol_rename { 199*0Sstevel@tonic-gate nfs_fh4_fmt_t vrn_fh_fmt; 200*0Sstevel@tonic-gate struct ex_vol_rename *vrn_next; 201*0Sstevel@tonic-gate }; 202*0Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate /* 205*0Sstevel@tonic-gate * An authorization cache entry 206*0Sstevel@tonic-gate */ 207*0Sstevel@tonic-gate struct auth_cache { 208*0Sstevel@tonic-gate struct netbuf auth_addr; 209*0Sstevel@tonic-gate int auth_flavor; 210*0Sstevel@tonic-gate int auth_access; 211*0Sstevel@tonic-gate time_t auth_time; 212*0Sstevel@tonic-gate struct auth_cache *auth_next; 213*0Sstevel@tonic-gate }; 214*0Sstevel@tonic-gate 215*0Sstevel@tonic-gate #define AUTH_TABLESIZE 32 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate /* 218*0Sstevel@tonic-gate * Structure containing log file meta-data. 219*0Sstevel@tonic-gate */ 220*0Sstevel@tonic-gate struct log_file { 221*0Sstevel@tonic-gate unsigned int lf_flags; /* flags (see below) */ 222*0Sstevel@tonic-gate int lf_writers; /* outstanding writers */ 223*0Sstevel@tonic-gate int lf_refcnt; /* references to this struct */ 224*0Sstevel@tonic-gate caddr_t lf_path; /* buffer file location */ 225*0Sstevel@tonic-gate vnode_t *lf_vp; /* vnode for the buffer file */ 226*0Sstevel@tonic-gate kmutex_t lf_lock; 227*0Sstevel@tonic-gate kcondvar_t lf_cv_waiters; 228*0Sstevel@tonic-gate }; 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate /* 231*0Sstevel@tonic-gate * log_file and log_buffer flags. 232*0Sstevel@tonic-gate */ 233*0Sstevel@tonic-gate #define L_WAITING 0x01 /* flush of in-core data to stable */ 234*0Sstevel@tonic-gate /* storage in progress */ 235*0Sstevel@tonic-gate #define L_PRINTED 0x02 /* error message printed to console */ 236*0Sstevel@tonic-gate #define L_ERROR 0x04 /* error condition detected */ 237*0Sstevel@tonic-gate 238*0Sstevel@tonic-gate /* 239*0Sstevel@tonic-gate * The logging buffer information. 240*0Sstevel@tonic-gate * This structure may be shared by multiple exportinfo structures, 241*0Sstevel@tonic-gate * if they share the same buffer file. 242*0Sstevel@tonic-gate * This structure contains the basic information about the buffer, such 243*0Sstevel@tonic-gate * as it's location in the filesystem. 244*0Sstevel@tonic-gate * 245*0Sstevel@tonic-gate * 'lb_lock' protects all the fields in this structure except for 'lb_path', 246*0Sstevel@tonic-gate * and 'lb_next'. 247*0Sstevel@tonic-gate * 'lb_path' is a write-once/read-many field which needs no locking, it is 248*0Sstevel@tonic-gate * set before the structure is linked to any exportinfo structure. 249*0Sstevel@tonic-gate * 'lb_next' is protected by the log_buffer_list_lock. 250*0Sstevel@tonic-gate */ 251*0Sstevel@tonic-gate struct log_buffer { 252*0Sstevel@tonic-gate unsigned int lb_flags; /* L_ONLIST set? */ 253*0Sstevel@tonic-gate int lb_refcnt; /* references to this struct */ 254*0Sstevel@tonic-gate unsigned int lb_rec_id; /* used to generate unique id */ 255*0Sstevel@tonic-gate caddr_t lb_path; /* buffer file pathname */ 256*0Sstevel@tonic-gate struct log_file *lb_logfile; /* points to log_file structure */ 257*0Sstevel@tonic-gate kmutex_t lb_lock; 258*0Sstevel@tonic-gate struct log_buffer *lb_next; 259*0Sstevel@tonic-gate kcondvar_t lb_cv_waiters; 260*0Sstevel@tonic-gate caddr_t lb_records; /* linked list of records to write */ 261*0Sstevel@tonic-gate int lb_num_recs; /* # of records to write */ 262*0Sstevel@tonic-gate ssize_t lb_size_queued; /* number of bytes queued for write */ 263*0Sstevel@tonic-gate }; 264*0Sstevel@tonic-gate 265*0Sstevel@tonic-gate #define LOG_BUFFER_HOLD(lbp) { \ 266*0Sstevel@tonic-gate mutex_enter(&(lbp)->lb_lock); \ 267*0Sstevel@tonic-gate (lbp)->lb_refcnt++; \ 268*0Sstevel@tonic-gate mutex_exit(&(lbp)->lb_lock); \ 269*0Sstevel@tonic-gate } 270*0Sstevel@tonic-gate 271*0Sstevel@tonic-gate #define LOG_BUFFER_RELE(lbp) { \ 272*0Sstevel@tonic-gate log_buffer_rele(lbp); \ 273*0Sstevel@tonic-gate } 274*0Sstevel@tonic-gate 275*0Sstevel@tonic-gate #define EXPTABLESIZE 16 276*0Sstevel@tonic-gate 277*0Sstevel@tonic-gate /* 278*0Sstevel@tonic-gate * A node associated with an export entry on the 279*0Sstevel@tonic-gate * list of exported filesystems. 280*0Sstevel@tonic-gate * 281*0Sstevel@tonic-gate * exi_count+exi_lock protects an individual exportinfo from being freed 282*0Sstevel@tonic-gate * when in use. 283*0Sstevel@tonic-gate * You must have the writer lock on exported_lock to add/delete an exportinfo 284*0Sstevel@tonic-gate * structure to/from the list. 285*0Sstevel@tonic-gate * 286*0Sstevel@tonic-gate * exi_volatile_dev maps to VSW_VOLATILEDEV. It means that the 287*0Sstevel@tonic-gate * underlying fs devno can change on each mount. When set, the server 288*0Sstevel@tonic-gate * should not use va_fsid for a GETATTR(FATTR4_FSID) reply. It must 289*0Sstevel@tonic-gate * use exi_fsid because it is guaranteed to be persistent. This isn't 290*0Sstevel@tonic-gate * in any way related to NFS4 volatile filehandles. 291*0Sstevel@tonic-gate */ 292*0Sstevel@tonic-gate struct exportinfo { 293*0Sstevel@tonic-gate struct exportdata exi_export; 294*0Sstevel@tonic-gate fsid_t exi_fsid; 295*0Sstevel@tonic-gate struct fid exi_fid; 296*0Sstevel@tonic-gate struct exportinfo *exi_hash; 297*0Sstevel@tonic-gate fhandle_t exi_fh; 298*0Sstevel@tonic-gate krwlock_t exi_cache_lock; 299*0Sstevel@tonic-gate kmutex_t exi_lock; 300*0Sstevel@tonic-gate uint_t exi_count; 301*0Sstevel@tonic-gate vnode_t *exi_vp; 302*0Sstevel@tonic-gate vnode_t *exi_dvp; 303*0Sstevel@tonic-gate struct auth_cache *exi_cache[AUTH_TABLESIZE]; 304*0Sstevel@tonic-gate struct log_buffer *exi_logbuffer; 305*0Sstevel@tonic-gate struct exp_visible *exi_visible; 306*0Sstevel@tonic-gate unsigned exi_volatile_dev:1; 307*0Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 308*0Sstevel@tonic-gate uint32_t exi_volatile_id; 309*0Sstevel@tonic-gate struct ex_vol_rename *exi_vol_rename; 310*0Sstevel@tonic-gate kmutex_t exi_vol_rename_lock; 311*0Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 312*0Sstevel@tonic-gate }; 313*0Sstevel@tonic-gate 314*0Sstevel@tonic-gate /* 315*0Sstevel@tonic-gate * exp_visible is a visible list per filesystem. It is for filesystems 316*0Sstevel@tonic-gate * that may need a limited view of its contents. A pseudo export and 317*0Sstevel@tonic-gate * a real export at the mount point (VROOT) which has a subtree shared 318*0Sstevel@tonic-gate * has a visible list. 319*0Sstevel@tonic-gate * 320*0Sstevel@tonic-gate * The exi_visible field is NULL for normal, non=pseudo filesystems 321*0Sstevel@tonic-gate * which do not have any subtree exported. If the field is non-null, 322*0Sstevel@tonic-gate * it points to a list of visible entries, identified by vis_fid and/or 323*0Sstevel@tonic-gate * vis_ino. The presence of a "visible" list means that if this export 324*0Sstevel@tonic-gate * can only have a limited view, it can only view the entries in the 325*0Sstevel@tonic-gate * exp_visible list. The directories in the fid list comprise paths that 326*0Sstevel@tonic-gate * lead to exported directories. 327*0Sstevel@tonic-gate * 328*0Sstevel@tonic-gate * The vis_count field records the number of paths in this filesystem 329*0Sstevel@tonic-gate * that use this directory. The vis_exported field is non-zero if the 330*0Sstevel@tonic-gate * entry is an exported directory (leaf node). 331*0Sstevel@tonic-gate */ 332*0Sstevel@tonic-gate 333*0Sstevel@tonic-gate struct exp_visible { 334*0Sstevel@tonic-gate vnode_t *vis_vp; 335*0Sstevel@tonic-gate fid_t vis_fid; 336*0Sstevel@tonic-gate u_longlong_t vis_ino; 337*0Sstevel@tonic-gate int vis_count; 338*0Sstevel@tonic-gate int vis_exported; 339*0Sstevel@tonic-gate struct exp_visible *vis_next; 340*0Sstevel@tonic-gate }; 341*0Sstevel@tonic-gate 342*0Sstevel@tonic-gate #define PSEUDO(exi) ((exi)->exi_export.ex_flags & EX_PSEUDO) 343*0Sstevel@tonic-gate 344*0Sstevel@tonic-gate #define EQFSID(fsidp1, fsidp2) \ 345*0Sstevel@tonic-gate (((fsidp1)->val[0] == (fsidp2)->val[0]) && \ 346*0Sstevel@tonic-gate ((fsidp1)->val[1] == (fsidp2)->val[1])) 347*0Sstevel@tonic-gate 348*0Sstevel@tonic-gate #define EQFID(fidp1, fidp2) \ 349*0Sstevel@tonic-gate ((fidp1)->fid_len == (fidp2)->fid_len && \ 350*0Sstevel@tonic-gate nfs_fhbcmp((char *)(fidp1)->fid_data, (char *)(fidp2)->fid_data, \ 351*0Sstevel@tonic-gate (uint_t)(fidp1)->fid_len) == 0) 352*0Sstevel@tonic-gate 353*0Sstevel@tonic-gate #define exportmatch(exi, fsid, fid) \ 354*0Sstevel@tonic-gate (EQFSID(&(exi)->exi_fsid, (fsid)) && EQFID(&(exi)->exi_fid, (fid))) 355*0Sstevel@tonic-gate 356*0Sstevel@tonic-gate /* 357*0Sstevel@tonic-gate * Returns true iff exported filesystem is read-only to the given host. 358*0Sstevel@tonic-gate * 359*0Sstevel@tonic-gate * Note: this macro should be as fast as possible since it's called 360*0Sstevel@tonic-gate * on each NFS modification request. 361*0Sstevel@tonic-gate */ 362*0Sstevel@tonic-gate #define rdonly(exi, req) (nfsauth_access(exi, req) & NFSAUTH_RO) 363*0Sstevel@tonic-gate #define rdonly4(exi, vp, req) \ 364*0Sstevel@tonic-gate (vn_is_readonly(vp) || \ 365*0Sstevel@tonic-gate (nfsauth4_access(exi, vp, req) & (NFSAUTH_RO | NFSAUTH_LIMITED))) 366*0Sstevel@tonic-gate 367*0Sstevel@tonic-gate extern int nfsauth4_access(struct exportinfo *, vnode_t *, 368*0Sstevel@tonic-gate struct svc_req *); 369*0Sstevel@tonic-gate extern int nfsauth4_secinfo_access(struct exportinfo *, 370*0Sstevel@tonic-gate struct svc_req *, int, int); 371*0Sstevel@tonic-gate extern int nfs_fhhash(fsid_t *, fid_t *); 372*0Sstevel@tonic-gate extern int nfs_fhbcmp(char *, char *, int); 373*0Sstevel@tonic-gate extern int nfs_exportinit(void); 374*0Sstevel@tonic-gate extern void nfs_exportfini(void); 375*0Sstevel@tonic-gate extern int chk_clnt_sec(struct exportinfo *, struct svc_req *req); 376*0Sstevel@tonic-gate extern int makefh(fhandle_t *, struct vnode *, struct exportinfo *); 377*0Sstevel@tonic-gate extern int makefh_ol(fhandle_t *, struct exportinfo *, uint_t); 378*0Sstevel@tonic-gate extern int makefh3(nfs_fh3 *, struct vnode *, struct exportinfo *); 379*0Sstevel@tonic-gate extern int makefh3_ol(nfs_fh3 *, struct exportinfo *, uint_t); 380*0Sstevel@tonic-gate extern vnode_t *nfs_fhtovp(fhandle_t *, struct exportinfo *); 381*0Sstevel@tonic-gate extern vnode_t *nfs3_fhtovp(nfs_fh3 *, struct exportinfo *); 382*0Sstevel@tonic-gate extern vnode_t *lm_fhtovp(fhandle_t *fh); 383*0Sstevel@tonic-gate extern vnode_t *lm_nfs3_fhtovp(nfs_fh3 *fh); 384*0Sstevel@tonic-gate extern struct exportinfo *checkexport(fsid_t *, struct fid *); 385*0Sstevel@tonic-gate extern struct exportinfo *checkexport4(fsid_t *, struct fid *, vnode_t *vp); 386*0Sstevel@tonic-gate extern void exi_rele(struct exportinfo *); 387*0Sstevel@tonic-gate extern struct exportinfo *nfs_vptoexi(vnode_t *, vnode_t *, cred_t *, int *, 388*0Sstevel@tonic-gate int *, bool_t); 389*0Sstevel@tonic-gate extern int nfs_check_vpexi(vnode_t *, vnode_t *, cred_t *, 390*0Sstevel@tonic-gate struct exportinfo **); 391*0Sstevel@tonic-gate extern void export_link(struct exportinfo *); 392*0Sstevel@tonic-gate extern int export_unlink(fsid_t *, fid_t *, vnode_t *, 393*0Sstevel@tonic-gate struct exportinfo **); 394*0Sstevel@tonic-gate extern vnode_t *untraverse(vnode_t *); 395*0Sstevel@tonic-gate 396*0Sstevel@tonic-gate /* 397*0Sstevel@tonic-gate * Functions that handle the NFSv4 server namespace 398*0Sstevel@tonic-gate */ 399*0Sstevel@tonic-gate extern int treeclimb_export(struct exportinfo *); 400*0Sstevel@tonic-gate extern int treeclimb_unexport(struct exportinfo *); 401*0Sstevel@tonic-gate extern int nfs_visible(struct exportinfo *, vnode_t *, int *); 402*0Sstevel@tonic-gate extern int nfs_visible_inode(struct exportinfo *, ino64_t, int *); 403*0Sstevel@tonic-gate extern int has_visible(struct exportinfo *, vnode_t *); 404*0Sstevel@tonic-gate extern void free_visible(struct exp_visible *); 405*0Sstevel@tonic-gate extern int nfs_exported(struct exportinfo *, vnode_t *); 406*0Sstevel@tonic-gate extern int pseudo_exportfs(vnode_t *, struct exp_visible *, 407*0Sstevel@tonic-gate struct exportdata *); 408*0Sstevel@tonic-gate extern int vop_fid_pseudo(vnode_t *, fid_t *fidp); 409*0Sstevel@tonic-gate extern int nfs4_vget_pseudo(struct exportinfo *, vnode_t **, fid_t *); 410*0Sstevel@tonic-gate /* 411*0Sstevel@tonic-gate * Functions that handle the NFSv4 server namespace security flavors 412*0Sstevel@tonic-gate * information. 413*0Sstevel@tonic-gate */ 414*0Sstevel@tonic-gate extern void srv_secinfo_exp2pseu(struct exportdata *, struct exportdata *); 415*0Sstevel@tonic-gate 416*0Sstevel@tonic-gate /* 417*0Sstevel@tonic-gate * "public" and default (root) location for public filehandle 418*0Sstevel@tonic-gate */ 419*0Sstevel@tonic-gate extern struct exportinfo *exi_public, *exi_root; 420*0Sstevel@tonic-gate extern fhandle_t nullfh2; /* for comparing V2 filehandles */ 421*0Sstevel@tonic-gate extern krwlock_t exported_lock; 422*0Sstevel@tonic-gate extern struct exportinfo *exptable[]; 423*0Sstevel@tonic-gate 424*0Sstevel@tonic-gate /* 425*0Sstevel@tonic-gate * Two macros for identifying public filehandles. 426*0Sstevel@tonic-gate * A v2 public filehandle is 32 zero bytes. 427*0Sstevel@tonic-gate * A v3 public filehandle is zero length. 428*0Sstevel@tonic-gate */ 429*0Sstevel@tonic-gate #define PUBLIC_FH2(fh) \ 430*0Sstevel@tonic-gate ((fh)->fh_fsid.val[1] == 0 && \ 431*0Sstevel@tonic-gate bcmp((fh), &nullfh2, sizeof (fhandle_t)) == 0) 432*0Sstevel@tonic-gate 433*0Sstevel@tonic-gate #define PUBLIC_FH3(fh) \ 434*0Sstevel@tonic-gate ((fh)->fh3_length == 0) 435*0Sstevel@tonic-gate 436*0Sstevel@tonic-gate extern int makefh4(nfs_fh4 *, struct vnode *, struct exportinfo *); 437*0Sstevel@tonic-gate extern vnode_t *nfs4_fhtovp(nfs_fh4 *, struct exportinfo *, nfsstat4 *); 438*0Sstevel@tonic-gate 439*0Sstevel@tonic-gate #endif /* _KERNEL */ 440*0Sstevel@tonic-gate 441*0Sstevel@tonic-gate #ifdef __cplusplus 442*0Sstevel@tonic-gate } 443*0Sstevel@tonic-gate #endif 444*0Sstevel@tonic-gate 445*0Sstevel@tonic-gate #endif /* _NFS_EXPORT_H */ 446