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_ */