1 /* 2 * Copyright (c) 2000-2001, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: smbfs_subr.h,v 1.25 2005/03/17 01:23:40 lindak Exp $ 33 */ 34 35 /* 36 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 37 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 38 * Use is subject to license terms. 39 */ 40 41 #ifndef _FS_SMBFS_SMBFS_SUBR_H_ 42 #define _FS_SMBFS_SMBFS_SUBR_H_ 43 44 #include <sys/cmn_err.h> 45 #include <netsmb/mchain.h> 46 #include <netsmb/smb_subr.h> 47 #include <smbfs/smbfs_node.h> 48 49 #if defined(DEBUG) || defined(lint) 50 #define SMB_VNODE_DEBUG 1 51 #endif 52 53 #ifndef FALSE 54 #define FALSE (0) 55 #endif 56 57 #ifndef TRUE 58 #define TRUE (1) 59 #endif 60 61 /* 62 * Let's use C99 standard variadic macros! 63 * Also the C99 __func__ (function name) feature. 64 */ 65 #define SMBFSERR(...) \ 66 smb_errmsg(CE_NOTE, __func__, __VA_ARGS__) 67 #define SMBVDEBUG(...) \ 68 smb_errmsg(CE_CONT, __func__, __VA_ARGS__) 69 70 /* 71 * Possible lock commands 72 */ 73 #define SMB_LOCK_EXCL 0 74 #define SMB_LOCK_SHARED 1 75 #define SMB_LOCK_RELEASE 2 76 77 struct smb_cred; 78 struct smb_vc; 79 struct statvfs; 80 struct timespec; 81 82 /* 83 * Types of find_first, find_next context objects 84 */ 85 typedef enum { 86 ft_LM1 = 1, 87 ft_LM2, 88 ft_XA 89 } smbfs_fctx_type_t; 90 91 /* 92 * Context to perform findfirst/findnext/findclose operations 93 */ 94 #define SMBFS_RDD_FINDFIRST 0x01 95 #define SMBFS_RDD_EOF 0x02 96 #define SMBFS_RDD_FINDSINGLE 0x04 97 /* note SMBFS_RDD_USESEARCH 0x08 replaced by smbfs_fctx_type */ 98 #define SMBFS_RDD_NOCLOSE 0x10 99 100 /* 101 * Search context supplied by server 102 */ 103 #define SMB_SKEYLEN 21 /* search context */ 104 #define SMB_DENTRYLEN (SMB_SKEYLEN + 22) /* entire entry */ 105 106 struct smbfs_fctx { 107 /* 108 * Setable values 109 */ 110 smbfs_fctx_type_t f_type; 111 int f_flags; /* SMBFS_RDD_ */ 112 /* 113 * Return values 114 */ 115 struct smbfattr f_attr; /* current attributes */ 116 u_longlong_t f_inum; /* current I number */ 117 char *f_name; /* current file name */ 118 int f_nmlen; /* name len */ 119 int f_namesz; /* memory allocated */ 120 /* 121 * Internal variables 122 */ 123 uint16_t f_limit; /* maximum number of entries */ 124 uint16_t f_attrmask; /* SMB_FA_ */ 125 int f_wclen; 126 const char *f_wildcard; 127 struct smbnode *f_dnp; 128 struct smb_cred *f_scred; 129 struct smb_share *f_ssp; 130 union { 131 struct smb_rq *uf_rq; 132 struct smb_t2rq *uf_t2; 133 } f_urq; 134 int f_left; /* entries left */ 135 int f_ecnt; /* entries left in current response */ 136 int f_eofs; /* entry offset in data block */ 137 uchar_t f_skey[SMB_SKEYLEN]; /* server side search context */ 138 uchar_t f_fname[8 + 1 + 3 + 1]; /* for 8.3 filenames */ 139 uint16_t f_Sid; /* Search handle (like a FID) */ 140 uint16_t f_infolevel; 141 int f_rnamelen; 142 char *f_rname; /* resume name */ 143 int f_rnameofs; 144 int f_otws; /* # over-the-wire ops so far */ 145 char *f_firstnm; /* first filename we got back */ 146 int f_firstnmlen; 147 int f_rkey; /* resume key */ 148 }; 149 typedef struct smbfs_fctx smbfs_fctx_t; 150 151 #define f_rq f_urq.uf_rq 152 #define f_t2 f_urq.uf_t2 153 154 /* 155 * smb level (smbfs_smb.c) 156 */ 157 int smbfs_smb_lock(struct smbnode *np, int op, caddr_t id, 158 offset_t start, uint64_t len, int largelock, 159 struct smb_cred *scrp, uint32_t timeout); 160 int smbfs_smb_qfsattr(struct smb_share *ssp, struct smb_fs_attr_info *, 161 struct smb_cred *scrp); 162 int smbfs_smb_statfs(struct smb_share *ssp, statvfs64_t *sbp, 163 struct smb_cred *scrp); 164 int smbfs_smb_setfsize(struct smbnode *np, uint16_t fid, uint64_t newsize, 165 struct smb_cred *scrp); 166 167 int smbfs_smb_getfattr(struct smbnode *np, struct smbfattr *fap, 168 struct smb_cred *scrp); 169 170 int smbfs_smb_setfattr(struct smbnode *np, int fid, 171 uint32_t attr, struct timespec *mtime, struct timespec *atime, 172 struct smb_cred *scrp); 173 174 int smbfs_smb_open(struct smbnode *np, const char *name, int nmlen, 175 int xattr, uint32_t rights, struct smb_cred *scrp, 176 uint16_t *fidp, uint32_t *rightsp, struct smbfattr *fap); 177 int smbfs_smb_tmpopen(struct smbnode *np, uint32_t rights, 178 struct smb_cred *scrp, uint16_t *fidp); 179 int smbfs_smb_close(struct smb_share *ssp, uint16_t fid, 180 struct timespec *mtime, struct smb_cred *scrp); 181 int smbfs_smb_tmpclose(struct smbnode *ssp, uint16_t fid, 182 struct smb_cred *scrp); 183 int smbfs_smb_create(struct smbnode *dnp, const char *name, int nmlen, 184 int xattr, uint32_t disp, struct smb_cred *scrp, uint16_t *fidp); 185 int smbfs_smb_delete(struct smbnode *np, struct smb_cred *scrp, 186 const char *name, int len, int xattr); 187 int smbfs_smb_rename(struct smbnode *src, struct smbnode *tdnp, 188 const char *tname, int tnmlen, struct smb_cred *scrp); 189 int smbfs_smb_t2rename(struct smbnode *np, struct smbnode *tdnp, 190 const char *tname, int tnmlen, struct smb_cred *scrp, int overwrite); 191 int smbfs_smb_move(struct smbnode *src, struct smbnode *tdnp, 192 const char *tname, int tnmlen, uint16_t flags, struct smb_cred *scrp); 193 int smbfs_smb_mkdir(struct smbnode *dnp, const char *name, int len, 194 struct smb_cred *scrp); 195 int smbfs_smb_rmdir(struct smbnode *np, struct smb_cred *scrp); 196 int smbfs_smb_findopen(struct smbnode *dnp, const char *wildcard, int wclen, 197 int attr, struct smb_cred *scrp, struct smbfs_fctx **ctxpp); 198 int smbfs_smb_findnext(struct smbfs_fctx *ctx, int limit, 199 struct smb_cred *scrp); 200 int smbfs_smb_findclose(struct smbfs_fctx *ctx, struct smb_cred *scrp); 201 int smbfs_fullpath(struct mbchain *mbp, struct smb_vc *vcp, 202 struct smbnode *dnp, const char *name, int nmlen, uint8_t sep); 203 int smbfs_smb_lookup(struct smbnode *dnp, const char **namep, int *nmlenp, 204 struct smbfattr *fap, struct smb_cred *scrp); 205 int smbfs_smb_hideit(struct smbnode *np, const char *name, int len, 206 struct smb_cred *scrp); 207 int smbfs_smb_unhideit(struct smbnode *np, const char *name, int len, 208 struct smb_cred *scrp); 209 int smbfs_smb_flush(struct smbnode *np, struct smb_cred *scrp); 210 int smbfs_0extend(vnode_t *vp, uint16_t fid, len_t from, len_t to, 211 struct smb_cred *scredp, int timo); 212 213 /* get/set security descriptor */ 214 int smbfs_smb_getsec_m(struct smb_share *ssp, uint16_t fid, 215 struct smb_cred *scrp, uint32_t selector, 216 mblk_t **res, uint32_t *reslen); 217 int smbfs_smb_setsec_m(struct smb_share *ssp, uint16_t fid, 218 struct smb_cred *scrp, uint32_t selector, mblk_t **mp); 219 220 /* 221 * VFS-level init, fini stuff 222 */ 223 224 int smbfs_vfsinit(void); 225 void smbfs_vfsfini(void); 226 int smbfs_subrinit(void); 227 void smbfs_subrfini(void); 228 int smbfs_clntinit(void); 229 void smbfs_clntfini(void); 230 231 void smbfs_zonelist_add(smbmntinfo_t *smi); 232 void smbfs_zonelist_remove(smbmntinfo_t *smi); 233 234 int smbfs_check_table(struct vfs *vfsp, struct smbnode *srp); 235 void smbfs_destroy_table(struct vfs *vfsp); 236 void smbfs_rflush(struct vfs *vfsp, cred_t *cr); 237 238 /* 239 * Function definitions - those having to do with 240 * smbfs nodes, vnodes, etc 241 */ 242 243 void smbfs_attrcache_prune(struct smbnode *np); 244 void smbfs_attrcache_remove(struct smbnode *np); 245 void smbfs_attrcache_rm_locked(struct smbnode *np); 246 #ifndef DEBUG 247 #define smbfs_attrcache_rm_locked(np) (np)->r_attrtime = gethrtime() 248 #endif 249 void smbfs_attr_touchdir(struct smbnode *dnp); 250 void smbfs_attrcache_fa(vnode_t *vp, struct smbfattr *fap); 251 void smbfs_cache_check(struct vnode *vp, struct smbfattr *fap); 252 253 void smbfs_addfree(struct smbnode *sp); 254 void smbfs_rmhash(struct smbnode *); 255 256 /* See avl_create in smbfs_vfsops.c */ 257 void smbfs_init_hash_avl(avl_tree_t *); 258 259 uint32_t smbfs_gethash(const char *rpath, int prlen); 260 uint32_t smbfs_getino(struct smbnode *dnp, const char *name, int nmlen); 261 262 extern struct smbfattr smbfs_fattr0; 263 smbnode_t *smbfs_node_findcreate(smbmntinfo_t *mi, 264 const char *dir, int dirlen, 265 const char *name, int nmlen, 266 char sep, struct smbfattr *fap); 267 268 int smbfs_nget(vnode_t *dvp, const char *name, int nmlen, 269 struct smbfattr *fap, vnode_t **vpp); 270 271 void smbfs_fname_tolocal(struct smbfs_fctx *ctx); 272 char *smbfs_name_alloc(const char *name, int nmlen); 273 void smbfs_name_free(const char *name, int nmlen); 274 275 int smbfs_readvnode(vnode_t *, uio_t *, cred_t *, struct vattr *); 276 int smbfs_writevnode(vnode_t *vp, uio_t *uiop, cred_t *cr, 277 int ioflag, int timo); 278 int smbfsgetattr(vnode_t *vp, struct vattr *vap, cred_t *cr); 279 280 /* smbfs ACL support */ 281 int smbfs_acl_getids(vnode_t *, cred_t *); 282 int smbfs_acl_setids(vnode_t *, vattr_t *, cred_t *); 283 int smbfs_acl_getvsa(vnode_t *, vsecattr_t *, int, cred_t *); 284 int smbfs_acl_setvsa(vnode_t *, vsecattr_t *, int, cred_t *); 285 int smbfs_acl_iocget(vnode_t *, intptr_t, int, cred_t *); 286 int smbfs_acl_iocset(vnode_t *, intptr_t, int, cred_t *); 287 288 /* smbfs_xattr.c */ 289 int smbfs_get_xattrdir(vnode_t *dvp, vnode_t **vpp, cred_t *cr, int); 290 int smbfs_xa_parent(vnode_t *vp, vnode_t **vpp); 291 int smbfs_xa_exists(vnode_t *vp, cred_t *cr); 292 int smbfs_xa_getfattr(struct smbnode *np, struct smbfattr *fap, 293 struct smb_cred *scrp); 294 int smbfs_xa_findopen(struct smbfs_fctx *ctx, struct smbnode *dnp, 295 const char *name, int nmlen); 296 int smbfs_xa_findnext(struct smbfs_fctx *ctx, uint16_t limit); 297 int smbfs_xa_findclose(struct smbfs_fctx *ctx); 298 299 /* For Solaris, interruptible rwlock */ 300 int smbfs_rw_enter_sig(smbfs_rwlock_t *l, krw_t rw, int intr); 301 int smbfs_rw_tryenter(smbfs_rwlock_t *l, krw_t rw); 302 void smbfs_rw_exit(smbfs_rwlock_t *l); 303 int smbfs_rw_lock_held(smbfs_rwlock_t *l, krw_t rw); 304 void smbfs_rw_init(smbfs_rwlock_t *l, char *name, krw_type_t type, void *arg); 305 void smbfs_rw_destroy(smbfs_rwlock_t *l); 306 307 #endif /* !_FS_SMBFS_SMBFS_SUBR_H_ */ 308