1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2000-2001 Boris Popov
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/namei.h>
33 #include <sys/kernel.h>
34 #include <sys/proc.h>
35 #include <sys/bio.h>
36 #include <sys/buf.h>
37 #include <sys/fcntl.h>
38 #include <sys/mount.h>
39 #include <sys/unistd.h>
40 #include <sys/vnode.h>
41 #include <sys/limits.h>
42 #include <sys/lockf.h>
43 #include <sys/stat.h>
44
45 #include <vm/vm.h>
46 #include <vm/vm_extern.h>
47
48
49 #include <netsmb/smb.h>
50 #include <netsmb/smb_conn.h>
51 #include <netsmb/smb_subr.h>
52
53 #include <fs/smbfs/smbfs.h>
54 #include <fs/smbfs/smbfs_node.h>
55 #include <fs/smbfs/smbfs_subr.h>
56
57 /*
58 * Prototypes for SMBFS vnode operations
59 */
60 static vop_create_t smbfs_create;
61 static vop_mknod_t smbfs_mknod;
62 static vop_open_t smbfs_open;
63 static vop_close_t smbfs_close;
64 static vop_access_t smbfs_access;
65 static vop_getattr_t smbfs_getattr;
66 static vop_setattr_t smbfs_setattr;
67 static vop_read_t smbfs_read;
68 static vop_write_t smbfs_write;
69 static vop_fsync_t smbfs_fsync;
70 static vop_remove_t smbfs_remove;
71 static vop_link_t smbfs_link;
72 static vop_lookup_t smbfs_lookup;
73 static vop_rename_t smbfs_rename;
74 static vop_mkdir_t smbfs_mkdir;
75 static vop_rmdir_t smbfs_rmdir;
76 static vop_symlink_t smbfs_symlink;
77 static vop_readdir_t smbfs_readdir;
78 static vop_strategy_t smbfs_strategy;
79 static vop_print_t smbfs_print;
80 static vop_pathconf_t smbfs_pathconf;
81 static vop_advlock_t smbfs_advlock;
82 static vop_getextattr_t smbfs_getextattr;
83
84 struct vop_vector smbfs_vnodeops = {
85 .vop_default = &default_vnodeops,
86
87 .vop_access = smbfs_access,
88 .vop_advlock = smbfs_advlock,
89 .vop_close = smbfs_close,
90 .vop_create = smbfs_create,
91 .vop_fsync = smbfs_fsync,
92 .vop_getattr = smbfs_getattr,
93 .vop_getextattr = smbfs_getextattr,
94 .vop_getpages = smbfs_getpages,
95 .vop_inactive = smbfs_inactive,
96 .vop_ioctl = smbfs_ioctl,
97 .vop_link = smbfs_link,
98 .vop_lookup = smbfs_lookup,
99 .vop_mkdir = smbfs_mkdir,
100 .vop_mknod = smbfs_mknod,
101 .vop_open = smbfs_open,
102 .vop_pathconf = smbfs_pathconf,
103 .vop_print = smbfs_print,
104 .vop_putpages = smbfs_putpages,
105 .vop_read = smbfs_read,
106 .vop_readdir = smbfs_readdir,
107 .vop_reclaim = smbfs_reclaim,
108 .vop_remove = smbfs_remove,
109 .vop_rename = smbfs_rename,
110 .vop_rmdir = smbfs_rmdir,
111 .vop_setattr = smbfs_setattr,
112 /* .vop_setextattr = smbfs_setextattr,*/
113 .vop_strategy = smbfs_strategy,
114 .vop_symlink = smbfs_symlink,
115 .vop_write = smbfs_write,
116 };
117
118 static int
119 smbfs_access(ap)
120 struct vop_access_args /* {
121 struct vnode *a_vp;
122 accmode_t a_accmode;
123 struct ucred *a_cred;
124 struct thread *a_td;
125 } */ *ap;
126 {
127 struct vnode *vp = ap->a_vp;
128 accmode_t accmode = ap->a_accmode;
129 mode_t mpmode;
130 struct smbmount *smp = VTOSMBFS(vp);
131
132 SMBVDEBUG("\n");
133 if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
134 switch (vp->v_type) {
135 case VREG: case VDIR: case VLNK:
136 return EROFS;
137 default:
138 break;
139 }
140 }
141 mpmode = vp->v_type == VREG ? smp->sm_file_mode : smp->sm_dir_mode;
142 return (vaccess(vp->v_type, mpmode, smp->sm_uid,
143 smp->sm_gid, ap->a_accmode, ap->a_cred, NULL));
144 }
145
146 /* ARGSUSED */
147 static int
148 smbfs_open(ap)
149 struct vop_open_args /* {
150 struct vnode *a_vp;
151 int a_mode;
152 struct ucred *a_cred;
153 struct thread *a_td;
154 } */ *ap;
155 {
156 struct vnode *vp = ap->a_vp;
157 struct smbnode *np = VTOSMB(vp);
158 struct smb_cred *scred;
159 struct vattr vattr;
160 int mode = ap->a_mode;
161 int error, accmode;
162
163 SMBVDEBUG("%s,%d\n", np->n_name, (np->n_flag & NOPEN) != 0);
164 if (vp->v_type != VREG && vp->v_type != VDIR) {
165 SMBFSERR("open eacces vtype=%d\n", vp->v_type);
166 return EACCES;
167 }
168 if (vp->v_type == VDIR) {
169 np->n_flag |= NOPEN;
170 return 0;
171 }
172 if (np->n_flag & NMODIFIED) {
173 if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
174 return error;
175 smbfs_attr_cacheremove(vp);
176 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
177 if (error)
178 return error;
179 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
180 } else {
181 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
182 if (error)
183 return error;
184 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
185 error = smbfs_vinvalbuf(vp, ap->a_td);
186 if (error == EINTR)
187 return error;
188 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
189 }
190 }
191 if ((np->n_flag & NOPEN) != 0)
192 return 0;
193 /*
194 * Use DENYNONE to give unixy semantics of permitting
195 * everything not forbidden by permissions. Ie denial
196 * is up to server with clients/openers needing to use
197 * advisory locks for further control.
198 */
199 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
200 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
201 accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
202 scred = smbfs_malloc_scred();
203 smb_makescred(scred, ap->a_td, ap->a_cred);
204 error = smbfs_smb_open(np, accmode, scred);
205 if (error) {
206 if (mode & FWRITE)
207 return EACCES;
208 else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
209 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
210 error = smbfs_smb_open(np, accmode, scred);
211 }
212 }
213 if (error == 0) {
214 np->n_flag |= NOPEN;
215 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
216 }
217 smbfs_attr_cacheremove(vp);
218 smbfs_free_scred(scred);
219 return error;
220 }
221
222 static int
223 smbfs_close(ap)
224 struct vop_close_args /* {
225 struct vnodeop_desc *a_desc;
226 struct vnode *a_vp;
227 int a_fflag;
228 struct ucred *a_cred;
229 struct thread *a_td;
230 } */ *ap;
231 {
232 struct vnode *vp = ap->a_vp;
233 struct thread *td = ap->a_td;
234 struct smbnode *np = VTOSMB(vp);
235 struct smb_cred *scred;
236
237 if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
238 np->n_dirseq != NULL) {
239 scred = smbfs_malloc_scred();
240 smb_makescred(scred, td, ap->a_cred);
241 smbfs_findclose(np->n_dirseq, scred);
242 smbfs_free_scred(scred);
243 np->n_dirseq = NULL;
244 }
245 return 0;
246 }
247
248 /*
249 * smbfs_getattr call from vfs.
250 */
251 static int
252 smbfs_getattr(ap)
253 struct vop_getattr_args /* {
254 struct vnode *a_vp;
255 struct vattr *a_vap;
256 struct ucred *a_cred;
257 } */ *ap;
258 {
259 struct vnode *vp = ap->a_vp;
260 struct smbnode *np = VTOSMB(vp);
261 struct vattr *va=ap->a_vap;
262 struct smbfattr fattr;
263 struct smb_cred *scred;
264 u_quad_t oldsize;
265 int error;
266
267 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
268 error = smbfs_attr_cachelookup(vp, va);
269 if (!error)
270 return 0;
271 SMBVDEBUG("not in the cache\n");
272 scred = smbfs_malloc_scred();
273 smb_makescred(scred, curthread, ap->a_cred);
274 oldsize = np->n_size;
275 error = smbfs_smb_lookup(np, NULL, 0, &fattr, scred);
276 if (error) {
277 SMBVDEBUG("error %d\n", error);
278 smbfs_free_scred(scred);
279 return error;
280 }
281 smbfs_attr_cacheenter(vp, &fattr);
282 smbfs_attr_cachelookup(vp, va);
283 if (np->n_flag & NOPEN)
284 np->n_size = oldsize;
285 smbfs_free_scred(scred);
286 return 0;
287 }
288
289 static int
290 smbfs_setattr(ap)
291 struct vop_setattr_args /* {
292 struct vnode *a_vp;
293 struct vattr *a_vap;
294 struct ucred *a_cred;
295 } */ *ap;
296 {
297 struct vnode *vp = ap->a_vp;
298 struct smbnode *np = VTOSMB(vp);
299 struct vattr *vap = ap->a_vap;
300 struct timespec *mtime, *atime;
301 struct smb_cred *scred;
302 struct smb_share *ssp = np->n_mount->sm_share;
303 struct smb_vc *vcp = SSTOVC(ssp);
304 struct thread *td = curthread;
305 u_quad_t tsize = 0;
306 int isreadonly, doclose, error = 0;
307 int old_n_dosattr;
308
309 SMBVDEBUG("\n");
310 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
311 /*
312 * Disallow write attempts if the filesystem is mounted read-only.
313 */
314 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
315 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
316 vap->va_mode != (mode_t)VNOVAL || vap->va_flags != VNOVAL) &&
317 isreadonly)
318 return EROFS;
319
320 /*
321 * We only support setting four flags. Don't allow setting others.
322 *
323 * We map UF_READONLY to SMB_FA_RDONLY, unlike the MacOS X version
324 * of this code, which maps both UF_IMMUTABLE AND SF_IMMUTABLE to
325 * SMB_FA_RDONLY. The immutable flags have different semantics
326 * than readonly, which is the reason for the difference.
327 */
328 if (vap->va_flags != VNOVAL) {
329 if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
330 UF_READONLY))
331 return EINVAL;
332 }
333
334 scred = smbfs_malloc_scred();
335 smb_makescred(scred, td, ap->a_cred);
336 if (vap->va_size != VNOVAL) {
337 switch (vp->v_type) {
338 case VDIR:
339 error = EISDIR;
340 goto out;
341 case VREG:
342 break;
343 default:
344 error = EINVAL;
345 goto out;
346 }
347 if (isreadonly) {
348 error = EROFS;
349 goto out;
350 }
351 doclose = 0;
352 vnode_pager_setsize(vp, (u_long)vap->va_size);
353 tsize = np->n_size;
354 np->n_size = vap->va_size;
355 if ((np->n_flag & NOPEN) == 0) {
356 error = smbfs_smb_open(np,
357 SMB_SM_DENYNONE|SMB_AM_OPENRW,
358 scred);
359 if (error == 0)
360 doclose = 1;
361 }
362 if (error == 0)
363 error = smbfs_smb_setfsize(np,
364 (int64_t)vap->va_size, scred);
365 if (doclose)
366 smbfs_smb_close(ssp, np->n_fid, NULL, scred);
367 if (error) {
368 np->n_size = tsize;
369 vnode_pager_setsize(vp, (u_long)tsize);
370 goto out;
371 }
372 }
373 if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
374 old_n_dosattr = np->n_dosattr;
375
376 if (vap->va_mode != (mode_t)VNOVAL) {
377 if (vap->va_mode & S_IWUSR)
378 np->n_dosattr &= ~SMB_FA_RDONLY;
379 else
380 np->n_dosattr |= SMB_FA_RDONLY;
381 }
382
383 if (vap->va_flags != VNOVAL) {
384 if (vap->va_flags & UF_HIDDEN)
385 np->n_dosattr |= SMB_FA_HIDDEN;
386 else
387 np->n_dosattr &= ~SMB_FA_HIDDEN;
388
389 if (vap->va_flags & UF_SYSTEM)
390 np->n_dosattr |= SMB_FA_SYSTEM;
391 else
392 np->n_dosattr &= ~SMB_FA_SYSTEM;
393
394 if (vap->va_flags & UF_ARCHIVE)
395 np->n_dosattr |= SMB_FA_ARCHIVE;
396 else
397 np->n_dosattr &= ~SMB_FA_ARCHIVE;
398
399 /*
400 * We only support setting the immutable / readonly
401 * bit for regular files. According to comments in
402 * the MacOS X version of this code, supporting the
403 * readonly bit on directories doesn't do the same
404 * thing in Windows as in Unix.
405 */
406 if (vp->v_type == VREG) {
407 if (vap->va_flags & UF_READONLY)
408 np->n_dosattr |= SMB_FA_RDONLY;
409 else
410 np->n_dosattr &= ~SMB_FA_RDONLY;
411 }
412 }
413
414 if (np->n_dosattr != old_n_dosattr) {
415 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
416 if (error)
417 goto out;
418 }
419 }
420 mtime = atime = NULL;
421 if (vap->va_mtime.tv_sec != VNOVAL)
422 mtime = &vap->va_mtime;
423 if (vap->va_atime.tv_sec != VNOVAL)
424 atime = &vap->va_atime;
425 if (mtime != atime) {
426 if (vap->va_vaflags & VA_UTIMES_NULL) {
427 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
428 if (error)
429 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
430 } else
431 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
432 #if 0
433 if (mtime == NULL)
434 mtime = &np->n_mtime;
435 if (atime == NULL)
436 atime = &np->n_atime;
437 #endif
438 /*
439 * If file is opened, then we can use handle based calls.
440 * If not, use path based ones.
441 */
442 if ((np->n_flag & NOPEN) == 0) {
443 if (vcp->vc_flags & SMBV_WIN95) {
444 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
445 NULL);
446 if (!error) {
447 /* error = smbfs_smb_setfattrNT(np, 0,
448 mtime, atime, scred);
449 VOP_GETATTR(vp, &vattr, ap->a_cred); */
450 if (mtime)
451 np->n_mtime = *mtime;
452 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
453 }
454 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
455 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
456 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, scred);*/
457 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
458 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
459 } else {
460 error = smbfs_smb_setpattr(np, 0, mtime, scred);
461 }
462 } else {
463 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
464 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, scred);
465 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
466 error = smbfs_smb_setftime(np, mtime, atime, scred);
467 } else {
468 /*
469 * I have no idea how to handle this for core
470 * level servers. The possible solution is to
471 * update mtime after file is closed.
472 */
473 SMBERROR("can't update times on an opened file\n");
474 }
475 }
476 }
477 /*
478 * Invalidate attribute cache in case if server doesn't set
479 * required attributes.
480 */
481 smbfs_attr_cacheremove(vp); /* invalidate cache */
482 VOP_GETATTR(vp, vap, ap->a_cred);
483 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
484 out:
485 smbfs_free_scred(scred);
486 return error;
487 }
488 /*
489 * smbfs_read call.
490 */
491 static int
492 smbfs_read(ap)
493 struct vop_read_args /* {
494 struct vnode *a_vp;
495 struct uio *a_uio;
496 int a_ioflag;
497 struct ucred *a_cred;
498 } */ *ap;
499 {
500 struct vnode *vp = ap->a_vp;
501 struct uio *uio = ap->a_uio;
502
503 SMBVDEBUG("\n");
504 if (vp->v_type != VREG && vp->v_type != VDIR)
505 return EPERM;
506 return smbfs_readvnode(vp, uio, ap->a_cred);
507 }
508
509 static int
510 smbfs_write(ap)
511 struct vop_write_args /* {
512 struct vnode *a_vp;
513 struct uio *a_uio;
514 int a_ioflag;
515 struct ucred *a_cred;
516 } */ *ap;
517 {
518 struct vnode *vp = ap->a_vp;
519 struct uio *uio = ap->a_uio;
520
521 SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset,
522 uio->uio_resid);
523 if (vp->v_type != VREG)
524 return (EPERM);
525 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
526 }
527 /*
528 * smbfs_create call
529 * Create a regular file. On entry the directory to contain the file being
530 * created is locked. We must release before we return. We must also free
531 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
532 * only if the SAVESTART bit in cn_flags is clear on success.
533 */
534 static int
535 smbfs_create(ap)
536 struct vop_create_args /* {
537 struct vnode *a_dvp;
538 struct vnode **a_vpp;
539 struct componentname *a_cnp;
540 struct vattr *a_vap;
541 } */ *ap;
542 {
543 struct vnode *dvp = ap->a_dvp;
544 struct vattr *vap = ap->a_vap;
545 struct vnode **vpp=ap->a_vpp;
546 struct componentname *cnp = ap->a_cnp;
547 struct smbnode *dnp = VTOSMB(dvp);
548 struct vnode *vp;
549 struct vattr vattr;
550 struct smbfattr fattr;
551 struct smb_cred *scred;
552 char *name = cnp->cn_nameptr;
553 int nmlen = cnp->cn_namelen;
554 int error;
555
556
557 SMBVDEBUG("\n");
558 *vpp = NULL;
559 if (vap->va_type != VREG)
560 return EOPNOTSUPP;
561 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
562 return error;
563 scred = smbfs_malloc_scred();
564 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
565
566 error = smbfs_smb_create(dnp, name, nmlen, scred);
567 if (error)
568 goto out;
569 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, scred);
570 if (error)
571 goto out;
572 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
573 if (error)
574 goto out;
575 *vpp = vp;
576 if (cnp->cn_flags & MAKEENTRY)
577 cache_enter(dvp, vp, cnp);
578 out:
579 smbfs_free_scred(scred);
580 return error;
581 }
582
583 static int
584 smbfs_remove(ap)
585 struct vop_remove_args /* {
586 struct vnodeop_desc *a_desc;
587 struct vnode * a_dvp;
588 struct vnode * a_vp;
589 struct componentname * a_cnp;
590 } */ *ap;
591 {
592 struct vnode *vp = ap->a_vp;
593 /* struct vnode *dvp = ap->a_dvp;*/
594 struct componentname *cnp = ap->a_cnp;
595 struct smbnode *np = VTOSMB(vp);
596 struct smb_cred *scred;
597 int error;
598
599 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
600 return EPERM;
601 scred = smbfs_malloc_scred();
602 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
603 error = smbfs_smb_delete(np, scred);
604 if (error == 0)
605 np->n_flag |= NGONE;
606 cache_purge(vp);
607 smbfs_free_scred(scred);
608 return error;
609 }
610
611 /*
612 * smbfs_file rename call
613 */
614 static int
615 smbfs_rename(ap)
616 struct vop_rename_args /* {
617 struct vnode *a_fdvp;
618 struct vnode *a_fvp;
619 struct componentname *a_fcnp;
620 struct vnode *a_tdvp;
621 struct vnode *a_tvp;
622 struct componentname *a_tcnp;
623 } */ *ap;
624 {
625 struct vnode *fvp = ap->a_fvp;
626 struct vnode *tvp = ap->a_tvp;
627 struct vnode *fdvp = ap->a_fdvp;
628 struct vnode *tdvp = ap->a_tdvp;
629 struct componentname *tcnp = ap->a_tcnp;
630 /* struct componentname *fcnp = ap->a_fcnp;*/
631 struct smb_cred *scred;
632 u_int16_t flags = 6;
633 int error=0;
634
635 scred = NULL;
636 /* Check for cross-device rename */
637 if ((fvp->v_mount != tdvp->v_mount) ||
638 (tvp && (fvp->v_mount != tvp->v_mount))) {
639 error = EXDEV;
640 goto out;
641 }
642
643 if (tvp && vrefcnt(tvp) > 1) {
644 error = EBUSY;
645 goto out;
646 }
647 flags = 0x10; /* verify all writes */
648 if (fvp->v_type == VDIR) {
649 flags |= 2;
650 } else if (fvp->v_type == VREG) {
651 flags |= 1;
652 } else {
653 return EINVAL;
654 }
655 scred = smbfs_malloc_scred();
656 smb_makescred(scred, tcnp->cn_thread, tcnp->cn_cred);
657 /*
658 * It seems that Samba doesn't implement SMB_COM_MOVE call...
659 */
660 #ifdef notnow
661 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
662 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
663 tcnp->cn_nameptr, tcnp->cn_namelen, flags, scred);
664 } else
665 #endif
666 {
667 /*
668 * We have to do the work atomicaly
669 */
670 if (tvp && tvp != fvp) {
671 error = smbfs_smb_delete(VTOSMB(tvp), scred);
672 if (error)
673 goto out_cacherem;
674 VTOSMB(fvp)->n_flag |= NGONE;
675 }
676 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
677 tcnp->cn_nameptr, tcnp->cn_namelen, scred);
678 }
679
680 if (fvp->v_type == VDIR) {
681 if (tvp != NULL && tvp->v_type == VDIR)
682 cache_purge(tdvp);
683 cache_purge(fdvp);
684 }
685
686 out_cacherem:
687 smbfs_attr_cacheremove(fdvp);
688 smbfs_attr_cacheremove(tdvp);
689 out:
690 smbfs_free_scred(scred);
691 if (tdvp == tvp)
692 vrele(tdvp);
693 else
694 vput(tdvp);
695 if (tvp)
696 vput(tvp);
697 vrele(fdvp);
698 vrele(fvp);
699 #ifdef possible_mistake
700 vgone(fvp);
701 if (tvp)
702 vgone(tvp);
703 #endif
704 return error;
705 }
706
707 /*
708 * somtime it will come true...
709 */
710 static int
711 smbfs_link(ap)
712 struct vop_link_args /* {
713 struct vnode *a_tdvp;
714 struct vnode *a_vp;
715 struct componentname *a_cnp;
716 } */ *ap;
717 {
718 return EOPNOTSUPP;
719 }
720
721 /*
722 * smbfs_symlink link create call.
723 * Sometime it will be functional...
724 */
725 static int
726 smbfs_symlink(ap)
727 struct vop_symlink_args /* {
728 struct vnode *a_dvp;
729 struct vnode **a_vpp;
730 struct componentname *a_cnp;
731 struct vattr *a_vap;
732 char *a_target;
733 } */ *ap;
734 {
735 return EOPNOTSUPP;
736 }
737
738 static int
739 smbfs_mknod(ap)
740 struct vop_mknod_args /* {
741 } */ *ap;
742 {
743 return EOPNOTSUPP;
744 }
745
746 static int
747 smbfs_mkdir(ap)
748 struct vop_mkdir_args /* {
749 struct vnode *a_dvp;
750 struct vnode **a_vpp;
751 struct componentname *a_cnp;
752 struct vattr *a_vap;
753 } */ *ap;
754 {
755 struct vnode *dvp = ap->a_dvp;
756 /* struct vattr *vap = ap->a_vap;*/
757 struct vnode *vp;
758 struct componentname *cnp = ap->a_cnp;
759 struct smbnode *dnp = VTOSMB(dvp);
760 struct vattr vattr;
761 struct smb_cred *scred;
762 struct smbfattr fattr;
763 char *name = cnp->cn_nameptr;
764 int len = cnp->cn_namelen;
765 int error;
766
767 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
768 return error;
769 }
770 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
771 return EEXIST;
772 scred = smbfs_malloc_scred();
773 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
774 error = smbfs_smb_mkdir(dnp, name, len, scred);
775 if (error)
776 goto out;
777 error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
778 if (error)
779 goto out;
780 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
781 if (error)
782 goto out;
783 *ap->a_vpp = vp;
784 out:
785 smbfs_free_scred(scred);
786 return error;
787 }
788
789 /*
790 * smbfs_remove directory call
791 */
792 static int
793 smbfs_rmdir(ap)
794 struct vop_rmdir_args /* {
795 struct vnode *a_dvp;
796 struct vnode *a_vp;
797 struct componentname *a_cnp;
798 } */ *ap;
799 {
800 struct vnode *vp = ap->a_vp;
801 struct vnode *dvp = ap->a_dvp;
802 struct componentname *cnp = ap->a_cnp;
803 /* struct smbmount *smp = VTOSMBFS(vp);*/
804 struct smbnode *dnp = VTOSMB(dvp);
805 struct smbnode *np = VTOSMB(vp);
806 struct smb_cred *scred;
807 int error;
808
809 if (dvp == vp)
810 return EINVAL;
811
812 scred = smbfs_malloc_scred();
813 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
814 error = smbfs_smb_rmdir(np, scred);
815 if (error == 0)
816 np->n_flag |= NGONE;
817 dnp->n_flag |= NMODIFIED;
818 smbfs_attr_cacheremove(dvp);
819 /* cache_purge(dvp);*/
820 cache_purge(vp);
821 smbfs_free_scred(scred);
822 return error;
823 }
824
825 /*
826 * smbfs_readdir call
827 */
828 static int
829 smbfs_readdir(ap)
830 struct vop_readdir_args /* {
831 struct vnode *a_vp;
832 struct uio *a_uio;
833 struct ucred *a_cred;
834 int *a_eofflag;
835 u_long *a_cookies;
836 int a_ncookies;
837 } */ *ap;
838 {
839 struct vnode *vp = ap->a_vp;
840 struct uio *uio = ap->a_uio;
841 int error;
842
843 if (vp->v_type != VDIR)
844 return (EPERM);
845 #ifdef notnow
846 if (ap->a_ncookies) {
847 printf("smbfs_readdir: no support for cookies now...");
848 return (EOPNOTSUPP);
849 }
850 #endif
851 error = smbfs_readvnode(vp, uio, ap->a_cred);
852 return error;
853 }
854
855 /* ARGSUSED */
856 static int
857 smbfs_fsync(ap)
858 struct vop_fsync_args /* {
859 struct vnodeop_desc *a_desc;
860 struct vnode * a_vp;
861 struct ucred * a_cred;
862 int a_waitfor;
863 struct thread * a_td;
864 } */ *ap;
865 {
866 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
867 return (0);
868 }
869
870 static
871 int smbfs_print (ap)
872 struct vop_print_args /* {
873 struct vnode *a_vp;
874 } */ *ap;
875 {
876 struct vnode *vp = ap->a_vp;
877 struct smbnode *np = VTOSMB(vp);
878
879 if (np == NULL) {
880 printf("no smbnode data\n");
881 return (0);
882 }
883 printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
884 np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
885 return (0);
886 }
887
888 static int
889 smbfs_pathconf (ap)
890 struct vop_pathconf_args /* {
891 struct vnode *vp;
892 int name;
893 register_t *retval;
894 } */ *ap;
895 {
896 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
897 struct smb_vc *vcp = SSTOVC(smp->sm_share);
898 long *retval = ap->a_retval;
899 int error = 0;
900
901 switch (ap->a_name) {
902 case _PC_FILESIZEBITS:
903 if (vcp->vc_sopt.sv_caps & (SMB_CAP_LARGE_READX |
904 SMB_CAP_LARGE_WRITEX))
905 *retval = 64;
906 else
907 *retval = 32;
908 break;
909 case _PC_NAME_MAX:
910 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
911 break;
912 case _PC_PATH_MAX:
913 *retval = 800; /* XXX: a correct one ? */
914 break;
915 case _PC_NO_TRUNC:
916 *retval = 1;
917 break;
918 default:
919 error = vop_stdpathconf(ap);
920 }
921 return error;
922 }
923
924 static int
925 smbfs_strategy (ap)
926 struct vop_strategy_args /* {
927 struct buf *a_bp
928 } */ *ap;
929 {
930 struct buf *bp=ap->a_bp;
931 struct ucred *cr;
932 struct thread *td;
933
934 SMBVDEBUG("\n");
935 if (bp->b_flags & B_ASYNC)
936 td = (struct thread *)0;
937 else
938 td = curthread; /* XXX */
939 if (bp->b_iocmd == BIO_READ)
940 cr = bp->b_rcred;
941 else
942 cr = bp->b_wcred;
943
944 if ((bp->b_flags & B_ASYNC) == 0 )
945 (void)smbfs_doio(ap->a_vp, bp, cr, td);
946 return (0);
947 }
948
949 int
950 smbfs_ioctl(ap)
951 struct vop_ioctl_args /* {
952 struct vnode *a_vp;
953 u_long a_command;
954 caddr_t a_data;
955 int fflag;
956 struct ucred *cred;
957 struct thread *td;
958 } */ *ap;
959 {
960 return ENOTTY;
961 }
962
963 static char smbfs_atl[] = "rhsvda";
964 static int
965 smbfs_getextattr(struct vop_getextattr_args *ap)
966 /* {
967 IN struct vnode *a_vp;
968 IN char *a_name;
969 INOUT struct uio *a_uio;
970 IN struct ucred *a_cred;
971 IN struct thread *a_td;
972 };
973 */
974 {
975 struct vnode *vp = ap->a_vp;
976 struct thread *td = ap->a_td;
977 struct ucred *cred = ap->a_cred;
978 struct uio *uio = ap->a_uio;
979 const char *name = ap->a_name;
980 struct smbnode *np = VTOSMB(vp);
981 struct vattr vattr;
982 char buf[10];
983 int i, attr, error;
984
985 error = VOP_ACCESS(vp, VREAD, cred, td);
986 if (error)
987 return error;
988 error = VOP_GETATTR(vp, &vattr, cred);
989 if (error)
990 return error;
991 if (strcmp(name, "dosattr") == 0) {
992 attr = np->n_dosattr;
993 for (i = 0; i < 6; i++, attr >>= 1)
994 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
995 buf[i] = 0;
996 error = uiomove(buf, i, uio);
997
998 } else
999 error = EINVAL;
1000 return error;
1001 }
1002
1003 /*
1004 * Since we expected to support F_GETLK (and SMB protocol has no such function),
1005 * it is necessary to use lf_advlock(). It would be nice if this function had
1006 * a callback mechanism because it will help to improve a level of consistency.
1007 */
1008 int
1009 smbfs_advlock(ap)
1010 struct vop_advlock_args /* {
1011 struct vnode *a_vp;
1012 caddr_t a_id;
1013 int a_op;
1014 struct flock *a_fl;
1015 int a_flags;
1016 } */ *ap;
1017 {
1018 struct vnode *vp = ap->a_vp;
1019 struct smbnode *np = VTOSMB(vp);
1020 struct flock *fl = ap->a_fl;
1021 caddr_t id = (caddr_t)1 /* ap->a_id */;
1022 /* int flags = ap->a_flags;*/
1023 struct thread *td = curthread;
1024 struct smb_cred *scred;
1025 u_quad_t size;
1026 off_t start, end, oadd;
1027 int error, lkop;
1028
1029 if (vp->v_type == VDIR) {
1030 /*
1031 * SMB protocol have no support for directory locking.
1032 * Although locks can be processed on local machine, I don't
1033 * think that this is a good idea, because some programs
1034 * can work wrong assuming directory is locked. So, we just
1035 * return 'operation not supported
1036 */
1037 return EOPNOTSUPP;
1038 }
1039 size = np->n_size;
1040 switch (fl->l_whence) {
1041
1042 case SEEK_SET:
1043 case SEEK_CUR:
1044 start = fl->l_start;
1045 break;
1046
1047 case SEEK_END:
1048 if (size > OFF_MAX ||
1049 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
1050 return EOVERFLOW;
1051 start = size + fl->l_start;
1052 break;
1053
1054 default:
1055 return EINVAL;
1056 }
1057 if (start < 0)
1058 return EINVAL;
1059 if (fl->l_len < 0) {
1060 if (start == 0)
1061 return EINVAL;
1062 end = start - 1;
1063 start += fl->l_len;
1064 if (start < 0)
1065 return EINVAL;
1066 } else if (fl->l_len == 0)
1067 end = -1;
1068 else {
1069 oadd = fl->l_len - 1;
1070 if (oadd > OFF_MAX - start)
1071 return EOVERFLOW;
1072 end = start + oadd;
1073 }
1074 scred = smbfs_malloc_scred();
1075 smb_makescred(scred, td, td->td_ucred);
1076 switch (ap->a_op) {
1077 case F_SETLK:
1078 switch (fl->l_type) {
1079 case F_WRLCK:
1080 lkop = SMB_LOCK_EXCL;
1081 break;
1082 case F_RDLCK:
1083 lkop = SMB_LOCK_SHARED;
1084 break;
1085 case F_UNLCK:
1086 lkop = SMB_LOCK_RELEASE;
1087 break;
1088 default:
1089 smbfs_free_scred(scred);
1090 return EINVAL;
1091 }
1092 error = lf_advlock(ap, &vp->v_lockf, size);
1093 if (error)
1094 break;
1095 lkop = SMB_LOCK_EXCL;
1096 error = smbfs_smb_lock(np, lkop, id, start, end, scred);
1097 if (error) {
1098 int oldtype = fl->l_type;
1099 fl->l_type = F_UNLCK;
1100 ap->a_op = F_UNLCK;
1101 lf_advlock(ap, &vp->v_lockf, size);
1102 fl->l_type = oldtype;
1103 }
1104 break;
1105 case F_UNLCK:
1106 lf_advlock(ap, &vp->v_lockf, size);
1107 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
1108 break;
1109 case F_GETLK:
1110 error = lf_advlock(ap, &vp->v_lockf, size);
1111 break;
1112 default:
1113 smbfs_free_scred(scred);
1114 return EINVAL;
1115 }
1116 smbfs_free_scred(scred);
1117 return error;
1118 }
1119
1120 static int
1121 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1122 {
1123 static const char *badchars = "*/:<>?";
1124 static const char *badchars83 = " +|,[]=;";
1125 const char *cp;
1126 int i, error;
1127
1128 /*
1129 * Backslash characters, being a path delimiter, are prohibited
1130 * within a path component even for LOOKUP operations.
1131 */
1132 if (strchr(name, '\\') != NULL)
1133 return ENOENT;
1134
1135 if (nameiop == LOOKUP)
1136 return 0;
1137 error = ENOENT;
1138 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1139 /*
1140 * Name should conform 8.3 format
1141 */
1142 if (nmlen > 12)
1143 return ENAMETOOLONG;
1144 cp = strchr(name, '.');
1145 if (cp == NULL)
1146 return error;
1147 if (cp == name || (cp - name) > 8)
1148 return error;
1149 cp = strchr(cp + 1, '.');
1150 if (cp != NULL)
1151 return error;
1152 for (cp = name, i = 0; i < nmlen; i++, cp++)
1153 if (strchr(badchars83, *cp) != NULL)
1154 return error;
1155 }
1156 for (cp = name, i = 0; i < nmlen; i++, cp++)
1157 if (strchr(badchars, *cp) != NULL)
1158 return error;
1159 return 0;
1160 }
1161
1162 /*
1163 * Things go even weird without fixed inode numbers...
1164 */
1165 int
1166 smbfs_lookup(ap)
1167 struct vop_lookup_args /* {
1168 struct vnodeop_desc *a_desc;
1169 struct vnode *a_dvp;
1170 struct vnode **a_vpp;
1171 struct componentname *a_cnp;
1172 } */ *ap;
1173 {
1174 struct componentname *cnp = ap->a_cnp;
1175 struct thread *td = cnp->cn_thread;
1176 struct vnode *dvp = ap->a_dvp;
1177 struct vnode **vpp = ap->a_vpp;
1178 struct vnode *vp;
1179 struct smbmount *smp;
1180 struct mount *mp = dvp->v_mount;
1181 struct smbnode *dnp;
1182 struct smbfattr fattr, *fap;
1183 struct smb_cred *scred;
1184 char *name = cnp->cn_nameptr;
1185 int flags = cnp->cn_flags;
1186 int nameiop = cnp->cn_nameiop;
1187 int nmlen = cnp->cn_namelen;
1188 int error, islastcn, isdot;
1189 int killit;
1190
1191 SMBVDEBUG("\n");
1192 if (dvp->v_type != VDIR)
1193 return ENOTDIR;
1194 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1195 SMBFSERR("invalid '..'\n");
1196 return EIO;
1197 }
1198 islastcn = flags & ISLASTCN;
1199 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1200 return EROFS;
1201 error = vn_dir_check_exec(dvp, cnp);
1202 if (error != 0)
1203 return error;
1204 smp = VFSTOSMBFS(mp);
1205 dnp = VTOSMB(dvp);
1206 isdot = (nmlen == 1 && name[0] == '.');
1207
1208 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1209
1210 if (error)
1211 return ENOENT;
1212
1213 error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
1214 SMBVDEBUG("cache_lookup returned %d\n", error);
1215 if (error > 0)
1216 return error;
1217 if (error) { /* name was found */
1218 struct vattr vattr;
1219
1220 killit = 0;
1221 vp = *vpp;
1222 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1223 /*
1224 * If the file type on the server is inconsistent
1225 * with what it was when we created the vnode,
1226 * kill the bogus vnode now and fall through to
1227 * the code below to create a new one with the
1228 * right type.
1229 */
1230 if (error == 0 &&
1231 ((vp->v_type == VDIR &&
1232 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1233 (vp->v_type == VREG &&
1234 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1235 killit = 1;
1236 else if (error == 0
1237 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1238 if (nameiop != LOOKUP && islastcn)
1239 cnp->cn_flags |= SAVENAME;
1240 SMBVDEBUG("use cached vnode\n");
1241 return (0);
1242 }
1243 cache_purge(vp);
1244 /*
1245 * XXX This is not quite right, if '.' is
1246 * inconsistent, we really need to start the lookup
1247 * all over again. Hopefully there is some other
1248 * guarantee that prevents this case from happening.
1249 */
1250 if (killit && vp != dvp)
1251 vgone(vp);
1252 if (vp != dvp)
1253 vput(vp);
1254 else
1255 vrele(vp);
1256 *vpp = NULLVP;
1257 }
1258 /*
1259 * entry is not in the cache or has been expired
1260 */
1261 error = 0;
1262 *vpp = NULLVP;
1263 scred = smbfs_malloc_scred();
1264 smb_makescred(scred, td, cnp->cn_cred);
1265 fap = &fattr;
1266 if (flags & ISDOTDOT) {
1267 /*
1268 * In the DOTDOT case, don't go over-the-wire
1269 * in order to request attributes. We already
1270 * know it's a directory and subsequent call to
1271 * smbfs_getattr() will restore consistency.
1272 *
1273 */
1274 SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
1275 } else if (isdot) {
1276 error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1277 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1278 }
1279 else {
1280 error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
1281 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1282 }
1283 if (error && error != ENOENT)
1284 goto out;
1285 if (error) { /* entry not found */
1286 /*
1287 * Handle RENAME or CREATE case...
1288 */
1289 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1290 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1291 if (error)
1292 goto out;
1293 cnp->cn_flags |= SAVENAME;
1294 error = EJUSTRETURN;
1295 goto out;
1296 }
1297 error = ENOENT;
1298 goto out;
1299 }/* else {
1300 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1301 }*/
1302 /*
1303 * handle DELETE case ...
1304 */
1305 if (nameiop == DELETE && islastcn) { /* delete last component */
1306 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1307 if (error)
1308 goto out;
1309 if (isdot) {
1310 VREF(dvp);
1311 *vpp = dvp;
1312 goto out;
1313 }
1314 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1315 if (error)
1316 goto out;
1317 *vpp = vp;
1318 cnp->cn_flags |= SAVENAME;
1319 goto out;
1320 }
1321 if (nameiop == RENAME && islastcn) {
1322 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1323 if (error)
1324 goto out;
1325 if (isdot) {
1326 error = EISDIR;
1327 goto out;
1328 }
1329 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1330 if (error)
1331 goto out;
1332 *vpp = vp;
1333 cnp->cn_flags |= SAVENAME;
1334 goto out;
1335 }
1336 if (flags & ISDOTDOT) {
1337 mp = dvp->v_mount;
1338 error = vfs_busy(mp, MBF_NOWAIT);
1339 if (error != 0) {
1340 vfs_ref(mp);
1341 VOP_UNLOCK(dvp, 0);
1342 error = vfs_busy(mp, 0);
1343 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1344 vfs_rel(mp);
1345 if (error) {
1346 error = ENOENT;
1347 goto out;
1348 }
1349 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1350 vfs_unbusy(mp);
1351 error = ENOENT;
1352 goto out;
1353 }
1354 }
1355 VOP_UNLOCK(dvp, 0);
1356 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1357 vfs_unbusy(mp);
1358 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1359 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1360 if (error == 0)
1361 vput(vp);
1362 error = ENOENT;
1363 }
1364 if (error)
1365 goto out;
1366 *vpp = vp;
1367 } else if (isdot) {
1368 vref(dvp);
1369 *vpp = dvp;
1370 } else {
1371 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1372 if (error)
1373 goto out;
1374 *vpp = vp;
1375 SMBVDEBUG("lookup: getnewvp!\n");
1376 }
1377 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1378 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1379 cache_enter(dvp, *vpp, cnp);
1380 }
1381 out:
1382 smbfs_free_scred(scred);
1383 return (error);
1384 }
Cache object: a41bedcf8ee1ff66e478f867b427cc4a
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