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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28 #include <sys/param.h>
29 #include <sys/systm.h>
30 #include <sys/namei.h>
31 #include <sys/kernel.h>
32 #include <sys/proc.h>
33 #include <sys/bio.h>
34 #include <sys/buf.h>
35 #include <sys/fcntl.h>
36 #include <sys/mount.h>
37 #include <sys/unistd.h>
38 #include <sys/vnode.h>
39 #include <sys/limits.h>
40 #include <sys/lockf.h>
41 #include <sys/stat.h>
42
43 #include <vm/vm.h>
44 #include <vm/vm_extern.h>
45
46
47 #include <netsmb/smb.h>
48 #include <netsmb/smb_conn.h>
49 #include <netsmb/smb_subr.h>
50
51 #include <fs/smbfs/smbfs.h>
52 #include <fs/smbfs/smbfs_node.h>
53 #include <fs/smbfs/smbfs_subr.h>
54
55 /*
56 * Prototypes for SMBFS vnode operations
57 */
58 static vop_create_t smbfs_create;
59 static vop_mknod_t smbfs_mknod;
60 static vop_open_t smbfs_open;
61 static vop_close_t smbfs_close;
62 static vop_access_t smbfs_access;
63 static vop_getattr_t smbfs_getattr;
64 static vop_setattr_t smbfs_setattr;
65 static vop_read_t smbfs_read;
66 static vop_write_t smbfs_write;
67 static vop_fsync_t smbfs_fsync;
68 static vop_remove_t smbfs_remove;
69 static vop_link_t smbfs_link;
70 static vop_lookup_t smbfs_lookup;
71 static vop_rename_t smbfs_rename;
72 static vop_mkdir_t smbfs_mkdir;
73 static vop_rmdir_t smbfs_rmdir;
74 static vop_symlink_t smbfs_symlink;
75 static vop_readdir_t smbfs_readdir;
76 static vop_strategy_t smbfs_strategy;
77 static vop_print_t smbfs_print;
78 static vop_pathconf_t smbfs_pathconf;
79 static vop_advlock_t smbfs_advlock;
80 static vop_getextattr_t smbfs_getextattr;
81
82 struct vop_vector smbfs_vnodeops = {
83 .vop_default = &default_vnodeops,
84
85 .vop_access = smbfs_access,
86 .vop_advlock = smbfs_advlock,
87 .vop_close = smbfs_close,
88 .vop_create = smbfs_create,
89 .vop_fsync = smbfs_fsync,
90 .vop_getattr = smbfs_getattr,
91 .vop_getextattr = smbfs_getextattr,
92 .vop_getpages = smbfs_getpages,
93 .vop_inactive = smbfs_inactive,
94 .vop_ioctl = smbfs_ioctl,
95 .vop_link = smbfs_link,
96 .vop_lookup = smbfs_lookup,
97 .vop_mkdir = smbfs_mkdir,
98 .vop_mknod = smbfs_mknod,
99 .vop_open = smbfs_open,
100 .vop_pathconf = smbfs_pathconf,
101 .vop_print = smbfs_print,
102 .vop_putpages = smbfs_putpages,
103 .vop_read = smbfs_read,
104 .vop_readdir = smbfs_readdir,
105 .vop_reclaim = smbfs_reclaim,
106 .vop_remove = smbfs_remove,
107 .vop_rename = smbfs_rename,
108 .vop_rmdir = smbfs_rmdir,
109 .vop_setattr = smbfs_setattr,
110 /* .vop_setextattr = smbfs_setextattr,*/
111 .vop_strategy = smbfs_strategy,
112 .vop_symlink = smbfs_symlink,
113 .vop_write = smbfs_write,
114 };
115
116 static int
117 smbfs_access(ap)
118 struct vop_access_args /* {
119 struct vnode *a_vp;
120 accmode_t a_accmode;
121 struct ucred *a_cred;
122 struct thread *a_td;
123 } */ *ap;
124 {
125 struct vnode *vp = ap->a_vp;
126 accmode_t accmode = ap->a_accmode;
127 mode_t mpmode;
128 struct smbmount *smp = VTOSMBFS(vp);
129
130 SMBVDEBUG("\n");
131 if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
132 switch (vp->v_type) {
133 case VREG: case VDIR: case VLNK:
134 return EROFS;
135 default:
136 break;
137 }
138 }
139 mpmode = vp->v_type == VREG ? smp->sm_file_mode : smp->sm_dir_mode;
140 return (vaccess(vp->v_type, mpmode, smp->sm_uid,
141 smp->sm_gid, ap->a_accmode, ap->a_cred, NULL));
142 }
143
144 /* ARGSUSED */
145 static int
146 smbfs_open(ap)
147 struct vop_open_args /* {
148 struct vnode *a_vp;
149 int a_mode;
150 struct ucred *a_cred;
151 struct thread *a_td;
152 } */ *ap;
153 {
154 struct vnode *vp = ap->a_vp;
155 struct smbnode *np = VTOSMB(vp);
156 struct smb_cred *scred;
157 struct vattr vattr;
158 int mode = ap->a_mode;
159 int error, accmode;
160
161 SMBVDEBUG("%s,%d\n", np->n_name, (np->n_flag & NOPEN) != 0);
162 if (vp->v_type != VREG && vp->v_type != VDIR) {
163 SMBFSERR("open eacces vtype=%d\n", vp->v_type);
164 return EACCES;
165 }
166 if (vp->v_type == VDIR) {
167 np->n_flag |= NOPEN;
168 return 0;
169 }
170 if (np->n_flag & NMODIFIED) {
171 if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
172 return error;
173 smbfs_attr_cacheremove(vp);
174 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
175 if (error)
176 return error;
177 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
178 } else {
179 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
180 if (error)
181 return error;
182 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
183 error = smbfs_vinvalbuf(vp, ap->a_td);
184 if (error == EINTR)
185 return error;
186 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
187 }
188 }
189 if ((np->n_flag & NOPEN) != 0)
190 return 0;
191 /*
192 * Use DENYNONE to give unixy semantics of permitting
193 * everything not forbidden by permissions. Ie denial
194 * is up to server with clients/openers needing to use
195 * advisory locks for further control.
196 */
197 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
198 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
199 accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
200 scred = smbfs_malloc_scred();
201 smb_makescred(scred, ap->a_td, ap->a_cred);
202 error = smbfs_smb_open(np, accmode, scred);
203 if (error) {
204 if (mode & FWRITE)
205 return EACCES;
206 else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
207 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
208 error = smbfs_smb_open(np, accmode, scred);
209 }
210 }
211 if (error == 0) {
212 np->n_flag |= NOPEN;
213 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
214 }
215 smbfs_attr_cacheremove(vp);
216 smbfs_free_scred(scred);
217 return error;
218 }
219
220 static int
221 smbfs_close(ap)
222 struct vop_close_args /* {
223 struct vnodeop_desc *a_desc;
224 struct vnode *a_vp;
225 int a_fflag;
226 struct ucred *a_cred;
227 struct thread *a_td;
228 } */ *ap;
229 {
230 struct vnode *vp = ap->a_vp;
231 struct thread *td = ap->a_td;
232 struct smbnode *np = VTOSMB(vp);
233 struct smb_cred *scred;
234
235 if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
236 np->n_dirseq != NULL) {
237 scred = smbfs_malloc_scred();
238 smb_makescred(scred, td, ap->a_cred);
239 smbfs_findclose(np->n_dirseq, scred);
240 smbfs_free_scred(scred);
241 np->n_dirseq = NULL;
242 }
243 return 0;
244 }
245
246 /*
247 * smbfs_getattr call from vfs.
248 */
249 static int
250 smbfs_getattr(ap)
251 struct vop_getattr_args /* {
252 struct vnode *a_vp;
253 struct vattr *a_vap;
254 struct ucred *a_cred;
255 } */ *ap;
256 {
257 struct vnode *vp = ap->a_vp;
258 struct smbnode *np = VTOSMB(vp);
259 struct vattr *va=ap->a_vap;
260 struct smbfattr fattr;
261 struct smb_cred *scred;
262 u_quad_t oldsize;
263 int error;
264
265 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
266 error = smbfs_attr_cachelookup(vp, va);
267 if (!error)
268 return 0;
269 SMBVDEBUG("not in the cache\n");
270 scred = smbfs_malloc_scred();
271 smb_makescred(scred, curthread, ap->a_cred);
272 oldsize = np->n_size;
273 error = smbfs_smb_lookup(np, NULL, 0, &fattr, scred);
274 if (error) {
275 SMBVDEBUG("error %d\n", error);
276 smbfs_free_scred(scred);
277 return error;
278 }
279 smbfs_attr_cacheenter(vp, &fattr);
280 smbfs_attr_cachelookup(vp, va);
281 if (np->n_flag & NOPEN)
282 np->n_size = oldsize;
283 smbfs_free_scred(scred);
284 return 0;
285 }
286
287 static int
288 smbfs_setattr(ap)
289 struct vop_setattr_args /* {
290 struct vnode *a_vp;
291 struct vattr *a_vap;
292 struct ucred *a_cred;
293 } */ *ap;
294 {
295 struct vnode *vp = ap->a_vp;
296 struct smbnode *np = VTOSMB(vp);
297 struct vattr *vap = ap->a_vap;
298 struct timespec *mtime, *atime;
299 struct smb_cred *scred;
300 struct smb_share *ssp = np->n_mount->sm_share;
301 struct smb_vc *vcp = SSTOVC(ssp);
302 struct thread *td = curthread;
303 u_quad_t tsize = 0;
304 int isreadonly, doclose, error = 0;
305 int old_n_dosattr;
306
307 SMBVDEBUG("\n");
308 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
309 /*
310 * Disallow write attempts if the filesystem is mounted read-only.
311 */
312 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
313 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
314 vap->va_mode != (mode_t)VNOVAL || vap->va_flags != VNOVAL) &&
315 isreadonly)
316 return EROFS;
317
318 /*
319 * We only support setting four flags. Don't allow setting others.
320 *
321 * We map UF_READONLY to SMB_FA_RDONLY, unlike the MacOS X version
322 * of this code, which maps both UF_IMMUTABLE AND SF_IMMUTABLE to
323 * SMB_FA_RDONLY. The immutable flags have different semantics
324 * than readonly, which is the reason for the difference.
325 */
326 if (vap->va_flags != VNOVAL) {
327 if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
328 UF_READONLY))
329 return EINVAL;
330 }
331
332 scred = smbfs_malloc_scred();
333 smb_makescred(scred, td, ap->a_cred);
334 if (vap->va_size != VNOVAL) {
335 switch (vp->v_type) {
336 case VDIR:
337 error = EISDIR;
338 goto out;
339 case VREG:
340 break;
341 default:
342 error = EINVAL;
343 goto out;
344 }
345 if (isreadonly) {
346 error = EROFS;
347 goto out;
348 }
349 doclose = 0;
350 vnode_pager_setsize(vp, (u_long)vap->va_size);
351 tsize = np->n_size;
352 np->n_size = vap->va_size;
353 if ((np->n_flag & NOPEN) == 0) {
354 error = smbfs_smb_open(np,
355 SMB_SM_DENYNONE|SMB_AM_OPENRW,
356 scred);
357 if (error == 0)
358 doclose = 1;
359 }
360 if (error == 0)
361 error = smbfs_smb_setfsize(np,
362 (int64_t)vap->va_size, scred);
363 if (doclose)
364 smbfs_smb_close(ssp, np->n_fid, NULL, scred);
365 if (error) {
366 np->n_size = tsize;
367 vnode_pager_setsize(vp, (u_long)tsize);
368 goto out;
369 }
370 }
371 if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
372 old_n_dosattr = np->n_dosattr;
373
374 if (vap->va_mode != (mode_t)VNOVAL) {
375 if (vap->va_mode & S_IWUSR)
376 np->n_dosattr &= ~SMB_FA_RDONLY;
377 else
378 np->n_dosattr |= SMB_FA_RDONLY;
379 }
380
381 if (vap->va_flags != VNOVAL) {
382 if (vap->va_flags & UF_HIDDEN)
383 np->n_dosattr |= SMB_FA_HIDDEN;
384 else
385 np->n_dosattr &= ~SMB_FA_HIDDEN;
386
387 if (vap->va_flags & UF_SYSTEM)
388 np->n_dosattr |= SMB_FA_SYSTEM;
389 else
390 np->n_dosattr &= ~SMB_FA_SYSTEM;
391
392 if (vap->va_flags & UF_ARCHIVE)
393 np->n_dosattr |= SMB_FA_ARCHIVE;
394 else
395 np->n_dosattr &= ~SMB_FA_ARCHIVE;
396
397 /*
398 * We only support setting the immutable / readonly
399 * bit for regular files. According to comments in
400 * the MacOS X version of this code, supporting the
401 * readonly bit on directories doesn't do the same
402 * thing in Windows as in Unix.
403 */
404 if (vp->v_type == VREG) {
405 if (vap->va_flags & UF_READONLY)
406 np->n_dosattr |= SMB_FA_RDONLY;
407 else
408 np->n_dosattr &= ~SMB_FA_RDONLY;
409 }
410 }
411
412 if (np->n_dosattr != old_n_dosattr) {
413 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
414 if (error)
415 goto out;
416 }
417 }
418 mtime = atime = NULL;
419 if (vap->va_mtime.tv_sec != VNOVAL)
420 mtime = &vap->va_mtime;
421 if (vap->va_atime.tv_sec != VNOVAL)
422 atime = &vap->va_atime;
423 if (mtime != atime) {
424 if (vap->va_vaflags & VA_UTIMES_NULL) {
425 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
426 if (error)
427 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
428 } else
429 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
430 #if 0
431 if (mtime == NULL)
432 mtime = &np->n_mtime;
433 if (atime == NULL)
434 atime = &np->n_atime;
435 #endif
436 /*
437 * If file is opened, then we can use handle based calls.
438 * If not, use path based ones.
439 */
440 if ((np->n_flag & NOPEN) == 0) {
441 if (vcp->vc_flags & SMBV_WIN95) {
442 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
443 NULL);
444 if (!error) {
445 /* error = smbfs_smb_setfattrNT(np, 0,
446 mtime, atime, scred);
447 VOP_GETATTR(vp, &vattr, ap->a_cred); */
448 if (mtime)
449 np->n_mtime = *mtime;
450 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
451 }
452 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
453 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
454 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, scred);*/
455 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
456 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
457 } else {
458 error = smbfs_smb_setpattr(np, 0, mtime, scred);
459 }
460 } else {
461 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
462 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, scred);
463 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
464 error = smbfs_smb_setftime(np, mtime, atime, scred);
465 } else {
466 /*
467 * I have no idea how to handle this for core
468 * level servers. The possible solution is to
469 * update mtime after file is closed.
470 */
471 SMBERROR("can't update times on an opened file\n");
472 }
473 }
474 }
475 /*
476 * Invalidate attribute cache in case if server doesn't set
477 * required attributes.
478 */
479 smbfs_attr_cacheremove(vp); /* invalidate cache */
480 VOP_GETATTR(vp, vap, ap->a_cred);
481 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
482 out:
483 smbfs_free_scred(scred);
484 return error;
485 }
486 /*
487 * smbfs_read call.
488 */
489 static int
490 smbfs_read(ap)
491 struct vop_read_args /* {
492 struct vnode *a_vp;
493 struct uio *a_uio;
494 int a_ioflag;
495 struct ucred *a_cred;
496 } */ *ap;
497 {
498 struct vnode *vp = ap->a_vp;
499 struct uio *uio = ap->a_uio;
500
501 SMBVDEBUG("\n");
502 if (vp->v_type != VREG && vp->v_type != VDIR)
503 return EPERM;
504 return smbfs_readvnode(vp, uio, ap->a_cred);
505 }
506
507 static int
508 smbfs_write(ap)
509 struct vop_write_args /* {
510 struct vnode *a_vp;
511 struct uio *a_uio;
512 int a_ioflag;
513 struct ucred *a_cred;
514 } */ *ap;
515 {
516 struct vnode *vp = ap->a_vp;
517 struct uio *uio = ap->a_uio;
518
519 SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset,
520 uio->uio_resid);
521 if (vp->v_type != VREG)
522 return (EPERM);
523 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
524 }
525 /*
526 * smbfs_create call
527 * Create a regular file. On entry the directory to contain the file being
528 * created is locked. We must release before we return. We must also free
529 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
530 * only if the SAVESTART bit in cn_flags is clear on success.
531 */
532 static int
533 smbfs_create(ap)
534 struct vop_create_args /* {
535 struct vnode *a_dvp;
536 struct vnode **a_vpp;
537 struct componentname *a_cnp;
538 struct vattr *a_vap;
539 } */ *ap;
540 {
541 struct vnode *dvp = ap->a_dvp;
542 struct vattr *vap = ap->a_vap;
543 struct vnode **vpp=ap->a_vpp;
544 struct componentname *cnp = ap->a_cnp;
545 struct smbnode *dnp = VTOSMB(dvp);
546 struct vnode *vp;
547 struct vattr vattr;
548 struct smbfattr fattr;
549 struct smb_cred *scred;
550 char *name = cnp->cn_nameptr;
551 int nmlen = cnp->cn_namelen;
552 int error;
553
554
555 SMBVDEBUG("\n");
556 *vpp = NULL;
557 if (vap->va_type != VREG)
558 return EOPNOTSUPP;
559 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
560 return error;
561 scred = smbfs_malloc_scred();
562 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
563
564 error = smbfs_smb_create(dnp, name, nmlen, scred);
565 if (error)
566 goto out;
567 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, scred);
568 if (error)
569 goto out;
570 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
571 if (error)
572 goto out;
573 *vpp = vp;
574 if (cnp->cn_flags & MAKEENTRY)
575 cache_enter(dvp, vp, cnp);
576 out:
577 smbfs_free_scred(scred);
578 return error;
579 }
580
581 static int
582 smbfs_remove(ap)
583 struct vop_remove_args /* {
584 struct vnodeop_desc *a_desc;
585 struct vnode * a_dvp;
586 struct vnode * a_vp;
587 struct componentname * a_cnp;
588 } */ *ap;
589 {
590 struct vnode *vp = ap->a_vp;
591 /* struct vnode *dvp = ap->a_dvp;*/
592 struct componentname *cnp = ap->a_cnp;
593 struct smbnode *np = VTOSMB(vp);
594 struct smb_cred *scred;
595 int error;
596
597 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
598 return EPERM;
599 scred = smbfs_malloc_scred();
600 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
601 error = smbfs_smb_delete(np, scred);
602 if (error == 0)
603 np->n_flag |= NGONE;
604 cache_purge(vp);
605 smbfs_free_scred(scred);
606 return error;
607 }
608
609 /*
610 * smbfs_file rename call
611 */
612 static int
613 smbfs_rename(ap)
614 struct vop_rename_args /* {
615 struct vnode *a_fdvp;
616 struct vnode *a_fvp;
617 struct componentname *a_fcnp;
618 struct vnode *a_tdvp;
619 struct vnode *a_tvp;
620 struct componentname *a_tcnp;
621 } */ *ap;
622 {
623 struct vnode *fvp = ap->a_fvp;
624 struct vnode *tvp = ap->a_tvp;
625 struct vnode *fdvp = ap->a_fdvp;
626 struct vnode *tdvp = ap->a_tdvp;
627 struct componentname *tcnp = ap->a_tcnp;
628 /* struct componentname *fcnp = ap->a_fcnp;*/
629 struct smb_cred *scred;
630 u_int16_t flags = 6;
631 int error=0;
632
633 scred = NULL;
634 /* Check for cross-device rename */
635 if ((fvp->v_mount != tdvp->v_mount) ||
636 (tvp && (fvp->v_mount != tvp->v_mount))) {
637 error = EXDEV;
638 goto out;
639 }
640
641 if (tvp && vrefcnt(tvp) > 1) {
642 error = EBUSY;
643 goto out;
644 }
645 flags = 0x10; /* verify all writes */
646 if (fvp->v_type == VDIR) {
647 flags |= 2;
648 } else if (fvp->v_type == VREG) {
649 flags |= 1;
650 } else {
651 return EINVAL;
652 }
653 scred = smbfs_malloc_scred();
654 smb_makescred(scred, tcnp->cn_thread, tcnp->cn_cred);
655 /*
656 * It seems that Samba doesn't implement SMB_COM_MOVE call...
657 */
658 #ifdef notnow
659 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
660 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
661 tcnp->cn_nameptr, tcnp->cn_namelen, flags, scred);
662 } else
663 #endif
664 {
665 /*
666 * We have to do the work atomicaly
667 */
668 if (tvp && tvp != fvp) {
669 error = smbfs_smb_delete(VTOSMB(tvp), scred);
670 if (error)
671 goto out_cacherem;
672 VTOSMB(fvp)->n_flag |= NGONE;
673 }
674 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
675 tcnp->cn_nameptr, tcnp->cn_namelen, scred);
676 }
677
678 if (fvp->v_type == VDIR) {
679 if (tvp != NULL && tvp->v_type == VDIR)
680 cache_purge(tdvp);
681 cache_purge(fdvp);
682 }
683
684 out_cacherem:
685 smbfs_attr_cacheremove(fdvp);
686 smbfs_attr_cacheremove(tdvp);
687 out:
688 smbfs_free_scred(scred);
689 if (tdvp == tvp)
690 vrele(tdvp);
691 else
692 vput(tdvp);
693 if (tvp)
694 vput(tvp);
695 vrele(fdvp);
696 vrele(fvp);
697 #ifdef possible_mistake
698 vgone(fvp);
699 if (tvp)
700 vgone(tvp);
701 #endif
702 return error;
703 }
704
705 /*
706 * somtime it will come true...
707 */
708 static int
709 smbfs_link(ap)
710 struct vop_link_args /* {
711 struct vnode *a_tdvp;
712 struct vnode *a_vp;
713 struct componentname *a_cnp;
714 } */ *ap;
715 {
716 return EOPNOTSUPP;
717 }
718
719 /*
720 * smbfs_symlink link create call.
721 * Sometime it will be functional...
722 */
723 static int
724 smbfs_symlink(ap)
725 struct vop_symlink_args /* {
726 struct vnode *a_dvp;
727 struct vnode **a_vpp;
728 struct componentname *a_cnp;
729 struct vattr *a_vap;
730 char *a_target;
731 } */ *ap;
732 {
733 return EOPNOTSUPP;
734 }
735
736 static int
737 smbfs_mknod(ap)
738 struct vop_mknod_args /* {
739 } */ *ap;
740 {
741 return EOPNOTSUPP;
742 }
743
744 static int
745 smbfs_mkdir(ap)
746 struct vop_mkdir_args /* {
747 struct vnode *a_dvp;
748 struct vnode **a_vpp;
749 struct componentname *a_cnp;
750 struct vattr *a_vap;
751 } */ *ap;
752 {
753 struct vnode *dvp = ap->a_dvp;
754 /* struct vattr *vap = ap->a_vap;*/
755 struct vnode *vp;
756 struct componentname *cnp = ap->a_cnp;
757 struct smbnode *dnp = VTOSMB(dvp);
758 struct vattr vattr;
759 struct smb_cred *scred;
760 struct smbfattr fattr;
761 char *name = cnp->cn_nameptr;
762 int len = cnp->cn_namelen;
763 int error;
764
765 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
766 return error;
767 }
768 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
769 return EEXIST;
770 scred = smbfs_malloc_scred();
771 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
772 error = smbfs_smb_mkdir(dnp, name, len, scred);
773 if (error)
774 goto out;
775 error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
776 if (error)
777 goto out;
778 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
779 if (error)
780 goto out;
781 *ap->a_vpp = vp;
782 out:
783 smbfs_free_scred(scred);
784 return error;
785 }
786
787 /*
788 * smbfs_remove directory call
789 */
790 static int
791 smbfs_rmdir(ap)
792 struct vop_rmdir_args /* {
793 struct vnode *a_dvp;
794 struct vnode *a_vp;
795 struct componentname *a_cnp;
796 } */ *ap;
797 {
798 struct vnode *vp = ap->a_vp;
799 struct vnode *dvp = ap->a_dvp;
800 struct componentname *cnp = ap->a_cnp;
801 /* struct smbmount *smp = VTOSMBFS(vp);*/
802 struct smbnode *dnp = VTOSMB(dvp);
803 struct smbnode *np = VTOSMB(vp);
804 struct smb_cred *scred;
805 int error;
806
807 if (dvp == vp)
808 return EINVAL;
809
810 scred = smbfs_malloc_scred();
811 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
812 error = smbfs_smb_rmdir(np, scred);
813 if (error == 0)
814 np->n_flag |= NGONE;
815 dnp->n_flag |= NMODIFIED;
816 smbfs_attr_cacheremove(dvp);
817 /* cache_purge(dvp);*/
818 cache_purge(vp);
819 smbfs_free_scred(scred);
820 return error;
821 }
822
823 /*
824 * smbfs_readdir call
825 */
826 static int
827 smbfs_readdir(ap)
828 struct vop_readdir_args /* {
829 struct vnode *a_vp;
830 struct uio *a_uio;
831 struct ucred *a_cred;
832 int *a_eofflag;
833 u_long *a_cookies;
834 int a_ncookies;
835 } */ *ap;
836 {
837 struct vnode *vp = ap->a_vp;
838 struct uio *uio = ap->a_uio;
839 int error;
840
841 if (vp->v_type != VDIR)
842 return (EPERM);
843 #ifdef notnow
844 if (ap->a_ncookies) {
845 printf("smbfs_readdir: no support for cookies now...");
846 return (EOPNOTSUPP);
847 }
848 #endif
849 error = smbfs_readvnode(vp, uio, ap->a_cred);
850 return error;
851 }
852
853 /* ARGSUSED */
854 static int
855 smbfs_fsync(ap)
856 struct vop_fsync_args /* {
857 struct vnodeop_desc *a_desc;
858 struct vnode * a_vp;
859 struct ucred * a_cred;
860 int a_waitfor;
861 struct thread * a_td;
862 } */ *ap;
863 {
864 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
865 return (0);
866 }
867
868 static
869 int smbfs_print (ap)
870 struct vop_print_args /* {
871 struct vnode *a_vp;
872 } */ *ap;
873 {
874 struct vnode *vp = ap->a_vp;
875 struct smbnode *np = VTOSMB(vp);
876
877 if (np == NULL) {
878 printf("no smbnode data\n");
879 return (0);
880 }
881 printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
882 np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
883 return (0);
884 }
885
886 static int
887 smbfs_pathconf (ap)
888 struct vop_pathconf_args /* {
889 struct vnode *vp;
890 int name;
891 register_t *retval;
892 } */ *ap;
893 {
894 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
895 struct smb_vc *vcp = SSTOVC(smp->sm_share);
896 register_t *retval = ap->a_retval;
897 int error = 0;
898
899 switch (ap->a_name) {
900 case _PC_FILESIZEBITS:
901 if (vcp->vc_sopt.sv_caps & (SMB_CAP_LARGE_READX |
902 SMB_CAP_LARGE_WRITEX))
903 *retval = 64;
904 else
905 *retval = 32;
906 break;
907 case _PC_NAME_MAX:
908 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
909 break;
910 case _PC_PATH_MAX:
911 *retval = 800; /* XXX: a correct one ? */
912 break;
913 case _PC_NO_TRUNC:
914 *retval = 1;
915 break;
916 default:
917 error = vop_stdpathconf(ap);
918 }
919 return error;
920 }
921
922 static int
923 smbfs_strategy (ap)
924 struct vop_strategy_args /* {
925 struct buf *a_bp
926 } */ *ap;
927 {
928 struct buf *bp=ap->a_bp;
929 struct ucred *cr;
930 struct thread *td;
931
932 SMBVDEBUG("\n");
933 if (bp->b_flags & B_ASYNC)
934 td = (struct thread *)0;
935 else
936 td = curthread; /* XXX */
937 if (bp->b_iocmd == BIO_READ)
938 cr = bp->b_rcred;
939 else
940 cr = bp->b_wcred;
941
942 if ((bp->b_flags & B_ASYNC) == 0 )
943 (void)smbfs_doio(ap->a_vp, bp, cr, td);
944 return (0);
945 }
946
947 int
948 smbfs_ioctl(ap)
949 struct vop_ioctl_args /* {
950 struct vnode *a_vp;
951 u_long a_command;
952 caddr_t a_data;
953 int fflag;
954 struct ucred *cred;
955 struct thread *td;
956 } */ *ap;
957 {
958 return ENOTTY;
959 }
960
961 static char smbfs_atl[] = "rhsvda";
962 static int
963 smbfs_getextattr(struct vop_getextattr_args *ap)
964 /* {
965 IN struct vnode *a_vp;
966 IN char *a_name;
967 INOUT struct uio *a_uio;
968 IN struct ucred *a_cred;
969 IN struct thread *a_td;
970 };
971 */
972 {
973 struct vnode *vp = ap->a_vp;
974 struct thread *td = ap->a_td;
975 struct ucred *cred = ap->a_cred;
976 struct uio *uio = ap->a_uio;
977 const char *name = ap->a_name;
978 struct smbnode *np = VTOSMB(vp);
979 struct vattr vattr;
980 char buf[10];
981 int i, attr, error;
982
983 error = VOP_ACCESS(vp, VREAD, cred, td);
984 if (error)
985 return error;
986 error = VOP_GETATTR(vp, &vattr, cred);
987 if (error)
988 return error;
989 if (strcmp(name, "dosattr") == 0) {
990 attr = np->n_dosattr;
991 for (i = 0; i < 6; i++, attr >>= 1)
992 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
993 buf[i] = 0;
994 error = uiomove(buf, i, uio);
995
996 } else
997 error = EINVAL;
998 return error;
999 }
1000
1001 /*
1002 * Since we expected to support F_GETLK (and SMB protocol has no such function),
1003 * it is necessary to use lf_advlock(). It would be nice if this function had
1004 * a callback mechanism because it will help to improve a level of consistency.
1005 */
1006 int
1007 smbfs_advlock(ap)
1008 struct vop_advlock_args /* {
1009 struct vnode *a_vp;
1010 caddr_t a_id;
1011 int a_op;
1012 struct flock *a_fl;
1013 int a_flags;
1014 } */ *ap;
1015 {
1016 struct vnode *vp = ap->a_vp;
1017 struct smbnode *np = VTOSMB(vp);
1018 struct flock *fl = ap->a_fl;
1019 caddr_t id = (caddr_t)1 /* ap->a_id */;
1020 /* int flags = ap->a_flags;*/
1021 struct thread *td = curthread;
1022 struct smb_cred *scred;
1023 u_quad_t size;
1024 off_t start, end, oadd;
1025 int error, lkop;
1026
1027 if (vp->v_type == VDIR) {
1028 /*
1029 * SMB protocol have no support for directory locking.
1030 * Although locks can be processed on local machine, I don't
1031 * think that this is a good idea, because some programs
1032 * can work wrong assuming directory is locked. So, we just
1033 * return 'operation not supported
1034 */
1035 return EOPNOTSUPP;
1036 }
1037 size = np->n_size;
1038 switch (fl->l_whence) {
1039
1040 case SEEK_SET:
1041 case SEEK_CUR:
1042 start = fl->l_start;
1043 break;
1044
1045 case SEEK_END:
1046 if (size > OFF_MAX ||
1047 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
1048 return EOVERFLOW;
1049 start = size + fl->l_start;
1050 break;
1051
1052 default:
1053 return EINVAL;
1054 }
1055 if (start < 0)
1056 return EINVAL;
1057 if (fl->l_len < 0) {
1058 if (start == 0)
1059 return EINVAL;
1060 end = start - 1;
1061 start += fl->l_len;
1062 if (start < 0)
1063 return EINVAL;
1064 } else if (fl->l_len == 0)
1065 end = -1;
1066 else {
1067 oadd = fl->l_len - 1;
1068 if (oadd > OFF_MAX - start)
1069 return EOVERFLOW;
1070 end = start + oadd;
1071 }
1072 scred = smbfs_malloc_scred();
1073 smb_makescred(scred, td, td->td_ucred);
1074 switch (ap->a_op) {
1075 case F_SETLK:
1076 switch (fl->l_type) {
1077 case F_WRLCK:
1078 lkop = SMB_LOCK_EXCL;
1079 break;
1080 case F_RDLCK:
1081 lkop = SMB_LOCK_SHARED;
1082 break;
1083 case F_UNLCK:
1084 lkop = SMB_LOCK_RELEASE;
1085 break;
1086 default:
1087 smbfs_free_scred(scred);
1088 return EINVAL;
1089 }
1090 error = lf_advlock(ap, &vp->v_lockf, size);
1091 if (error)
1092 break;
1093 lkop = SMB_LOCK_EXCL;
1094 error = smbfs_smb_lock(np, lkop, id, start, end, scred);
1095 if (error) {
1096 int oldtype = fl->l_type;
1097 fl->l_type = F_UNLCK;
1098 ap->a_op = F_UNLCK;
1099 lf_advlock(ap, &vp->v_lockf, size);
1100 fl->l_type = oldtype;
1101 }
1102 break;
1103 case F_UNLCK:
1104 lf_advlock(ap, &vp->v_lockf, size);
1105 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
1106 break;
1107 case F_GETLK:
1108 error = lf_advlock(ap, &vp->v_lockf, size);
1109 break;
1110 default:
1111 smbfs_free_scred(scred);
1112 return EINVAL;
1113 }
1114 smbfs_free_scred(scred);
1115 return error;
1116 }
1117
1118 static int
1119 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1120 {
1121 static const char *badchars = "*/:<>;?";
1122 static const char *badchars83 = " +|,[]=";
1123 const char *cp;
1124 int i, error;
1125
1126 /*
1127 * Backslash characters, being a path delimiter, are prohibited
1128 * within a path component even for LOOKUP operations.
1129 */
1130 if (strchr(name, '\\') != NULL)
1131 return ENOENT;
1132
1133 if (nameiop == LOOKUP)
1134 return 0;
1135 error = ENOENT;
1136 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1137 /*
1138 * Name should conform 8.3 format
1139 */
1140 if (nmlen > 12)
1141 return ENAMETOOLONG;
1142 cp = strchr(name, '.');
1143 if (cp == NULL)
1144 return error;
1145 if (cp == name || (cp - name) > 8)
1146 return error;
1147 cp = strchr(cp + 1, '.');
1148 if (cp != NULL)
1149 return error;
1150 for (cp = name, i = 0; i < nmlen; i++, cp++)
1151 if (strchr(badchars83, *cp) != NULL)
1152 return error;
1153 }
1154 for (cp = name, i = 0; i < nmlen; i++, cp++)
1155 if (strchr(badchars, *cp) != NULL)
1156 return error;
1157 return 0;
1158 }
1159
1160 /*
1161 * Things go even weird without fixed inode numbers...
1162 */
1163 int
1164 smbfs_lookup(ap)
1165 struct vop_lookup_args /* {
1166 struct vnodeop_desc *a_desc;
1167 struct vnode *a_dvp;
1168 struct vnode **a_vpp;
1169 struct componentname *a_cnp;
1170 } */ *ap;
1171 {
1172 struct componentname *cnp = ap->a_cnp;
1173 struct thread *td = cnp->cn_thread;
1174 struct vnode *dvp = ap->a_dvp;
1175 struct vnode **vpp = ap->a_vpp;
1176 struct vnode *vp;
1177 struct smbmount *smp;
1178 struct mount *mp = dvp->v_mount;
1179 struct smbnode *dnp;
1180 struct smbfattr fattr, *fap;
1181 struct smb_cred *scred;
1182 char *name = cnp->cn_nameptr;
1183 int flags = cnp->cn_flags;
1184 int nameiop = cnp->cn_nameiop;
1185 int nmlen = cnp->cn_namelen;
1186 int error, islastcn, isdot;
1187 int killit;
1188
1189 SMBVDEBUG("\n");
1190 if (dvp->v_type != VDIR)
1191 return ENOTDIR;
1192 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1193 SMBFSERR("invalid '..'\n");
1194 return EIO;
1195 }
1196 islastcn = flags & ISLASTCN;
1197 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1198 return EROFS;
1199 error = vn_dir_check_exec(dvp, cnp);
1200 if (error != 0)
1201 return error;
1202 smp = VFSTOSMBFS(mp);
1203 dnp = VTOSMB(dvp);
1204 isdot = (nmlen == 1 && name[0] == '.');
1205
1206 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1207
1208 if (error)
1209 return ENOENT;
1210
1211 error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
1212 SMBVDEBUG("cache_lookup returned %d\n", error);
1213 if (error > 0)
1214 return error;
1215 if (error) { /* name was found */
1216 struct vattr vattr;
1217
1218 killit = 0;
1219 vp = *vpp;
1220 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1221 /*
1222 * If the file type on the server is inconsistent
1223 * with what it was when we created the vnode,
1224 * kill the bogus vnode now and fall through to
1225 * the code below to create a new one with the
1226 * right type.
1227 */
1228 if (error == 0 &&
1229 ((vp->v_type == VDIR &&
1230 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1231 (vp->v_type == VREG &&
1232 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1233 killit = 1;
1234 else if (error == 0
1235 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1236 if (nameiop != LOOKUP && islastcn)
1237 cnp->cn_flags |= SAVENAME;
1238 SMBVDEBUG("use cached vnode\n");
1239 return (0);
1240 }
1241 cache_purge(vp);
1242 /*
1243 * XXX This is not quite right, if '.' is
1244 * inconsistent, we really need to start the lookup
1245 * all over again. Hopefully there is some other
1246 * guarantee that prevents this case from happening.
1247 */
1248 if (killit && vp != dvp)
1249 vgone(vp);
1250 if (vp != dvp)
1251 vput(vp);
1252 else
1253 vrele(vp);
1254 *vpp = NULLVP;
1255 }
1256 /*
1257 * entry is not in the cache or has been expired
1258 */
1259 error = 0;
1260 *vpp = NULLVP;
1261 scred = smbfs_malloc_scred();
1262 smb_makescred(scred, td, cnp->cn_cred);
1263 fap = &fattr;
1264 if (flags & ISDOTDOT) {
1265 /*
1266 * In the DOTDOT case, don't go over-the-wire
1267 * in order to request attributes. We already
1268 * know it's a directory and subsequent call to
1269 * smbfs_getattr() will restore consistency.
1270 *
1271 */
1272 SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
1273 } else if (isdot) {
1274 error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1275 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1276 }
1277 else {
1278 error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
1279 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1280 }
1281 if (error && error != ENOENT)
1282 goto out;
1283 if (error) { /* entry not found */
1284 /*
1285 * Handle RENAME or CREATE case...
1286 */
1287 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1288 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1289 if (error)
1290 goto out;
1291 cnp->cn_flags |= SAVENAME;
1292 error = EJUSTRETURN;
1293 goto out;
1294 }
1295 error = ENOENT;
1296 goto out;
1297 }/* else {
1298 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1299 }*/
1300 /*
1301 * handle DELETE case ...
1302 */
1303 if (nameiop == DELETE && islastcn) { /* delete last component */
1304 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1305 if (error)
1306 goto out;
1307 if (isdot) {
1308 VREF(dvp);
1309 *vpp = dvp;
1310 goto out;
1311 }
1312 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1313 if (error)
1314 goto out;
1315 *vpp = vp;
1316 cnp->cn_flags |= SAVENAME;
1317 goto out;
1318 }
1319 if (nameiop == RENAME && islastcn) {
1320 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1321 if (error)
1322 goto out;
1323 if (isdot) {
1324 error = EISDIR;
1325 goto out;
1326 }
1327 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1328 if (error)
1329 goto out;
1330 *vpp = vp;
1331 cnp->cn_flags |= SAVENAME;
1332 goto out;
1333 }
1334 if (flags & ISDOTDOT) {
1335 mp = dvp->v_mount;
1336 error = vfs_busy(mp, MBF_NOWAIT);
1337 if (error != 0) {
1338 vfs_ref(mp);
1339 VOP_UNLOCK(dvp, 0);
1340 error = vfs_busy(mp, 0);
1341 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1342 vfs_rel(mp);
1343 if (error) {
1344 error = ENOENT;
1345 goto out;
1346 }
1347 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1348 vfs_unbusy(mp);
1349 error = ENOENT;
1350 goto out;
1351 }
1352 }
1353 VOP_UNLOCK(dvp, 0);
1354 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1355 vfs_unbusy(mp);
1356 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1357 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1358 if (error == 0)
1359 vput(vp);
1360 error = ENOENT;
1361 }
1362 if (error)
1363 goto out;
1364 *vpp = vp;
1365 } else if (isdot) {
1366 vref(dvp);
1367 *vpp = dvp;
1368 } else {
1369 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1370 if (error)
1371 goto out;
1372 *vpp = vp;
1373 SMBVDEBUG("lookup: getnewvp!\n");
1374 }
1375 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1376 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1377 cache_enter(dvp, *vpp, cnp);
1378 }
1379 out:
1380 smbfs_free_scred(scred);
1381 return (error);
1382 }
Cache object: 9c38f20c62f8cd67418bd516e49dc2ca
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