2 * Copyright (c) 2000-2001 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/namei.h>
37 #include <sys/kernel.h>
41 #include <sys/fcntl.h>
42 #include <sys/mount.h>
43 #include <sys/unistd.h>
44 #include <sys/vnode.h>
45 #include <sys/limits.h>
46 #include <sys/lockf.h>
50 #include <vm/vm_extern.h>
53 #include <netsmb/smb.h>
54 #include <netsmb/smb_conn.h>
55 #include <netsmb/smb_subr.h>
57 #include <fs/smbfs/smbfs.h>
58 #include <fs/smbfs/smbfs_node.h>
59 #include <fs/smbfs/smbfs_subr.h>
62 * Prototypes for SMBFS vnode operations
64 static vop_create_t smbfs_create;
65 static vop_mknod_t smbfs_mknod;
66 static vop_open_t smbfs_open;
67 static vop_close_t smbfs_close;
68 static vop_access_t smbfs_access;
69 static vop_getattr_t smbfs_getattr;
70 static vop_setattr_t smbfs_setattr;
71 static vop_read_t smbfs_read;
72 static vop_write_t smbfs_write;
73 static vop_fsync_t smbfs_fsync;
74 static vop_remove_t smbfs_remove;
75 static vop_link_t smbfs_link;
76 static vop_lookup_t smbfs_lookup;
77 static vop_rename_t smbfs_rename;
78 static vop_mkdir_t smbfs_mkdir;
79 static vop_rmdir_t smbfs_rmdir;
80 static vop_symlink_t smbfs_symlink;
81 static vop_readdir_t smbfs_readdir;
82 static vop_strategy_t smbfs_strategy;
83 static vop_print_t smbfs_print;
84 static vop_pathconf_t smbfs_pathconf;
85 static vop_advlock_t smbfs_advlock;
86 static vop_getextattr_t smbfs_getextattr;
88 struct vop_vector smbfs_vnodeops = {
89 .vop_default = &default_vnodeops,
91 .vop_access = smbfs_access,
92 .vop_advlock = smbfs_advlock,
93 .vop_close = smbfs_close,
94 .vop_create = smbfs_create,
95 .vop_fsync = smbfs_fsync,
96 .vop_getattr = smbfs_getattr,
97 .vop_getextattr = smbfs_getextattr,
98 .vop_getpages = smbfs_getpages,
99 .vop_inactive = smbfs_inactive,
100 .vop_ioctl = smbfs_ioctl,
101 .vop_link = smbfs_link,
102 .vop_lookup = smbfs_lookup,
103 .vop_mkdir = smbfs_mkdir,
104 .vop_mknod = smbfs_mknod,
105 .vop_open = smbfs_open,
106 .vop_pathconf = smbfs_pathconf,
107 .vop_print = smbfs_print,
108 .vop_putpages = smbfs_putpages,
109 .vop_read = smbfs_read,
110 .vop_readdir = smbfs_readdir,
111 .vop_reclaim = smbfs_reclaim,
112 .vop_remove = smbfs_remove,
113 .vop_rename = smbfs_rename,
114 .vop_rmdir = smbfs_rmdir,
115 .vop_setattr = smbfs_setattr,
116 /* .vop_setextattr = smbfs_setextattr,*/
117 .vop_strategy = smbfs_strategy,
118 .vop_symlink = smbfs_symlink,
119 .vop_write = smbfs_write,
124 struct vop_access_args /* {
127 struct ucred *a_cred;
131 struct vnode *vp = ap->a_vp;
132 accmode_t accmode = ap->a_accmode;
134 struct smbmount *smp = VTOSMBFS(vp);
137 if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
138 switch (vp->v_type) {
139 case VREG: case VDIR: case VLNK:
145 mpmode = vp->v_type == VREG ? smp->sm_file_mode : smp->sm_dir_mode;
146 return (vaccess(vp->v_type, mpmode, smp->sm_uid,
147 smp->sm_gid, ap->a_accmode, ap->a_cred, NULL));
153 struct vop_open_args /* {
156 struct ucred *a_cred;
160 struct vnode *vp = ap->a_vp;
161 struct smbnode *np = VTOSMB(vp);
162 struct smb_cred scred;
164 int mode = ap->a_mode;
167 SMBVDEBUG("%s,%d\n", np->n_name, (np->n_flag & NOPEN) != 0);
168 if (vp->v_type != VREG && vp->v_type != VDIR) {
169 SMBFSERR("open eacces vtype=%d\n", vp->v_type);
172 if (vp->v_type == VDIR) {
176 if (np->n_flag & NMODIFIED) {
177 if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
179 smbfs_attr_cacheremove(vp);
180 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
183 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
185 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
188 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
189 error = smbfs_vinvalbuf(vp, ap->a_td);
192 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
195 if ((np->n_flag & NOPEN) != 0)
198 * Use DENYNONE to give unixy semantics of permitting
199 * everything not forbidden by permissions. Ie denial
200 * is up to server with clients/openers needing to use
201 * advisory locks for further control.
203 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
204 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
205 accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
206 smb_makescred(&scred, ap->a_td, ap->a_cred);
207 error = smbfs_smb_open(np, accmode, &scred);
211 else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
212 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
213 error = smbfs_smb_open(np, accmode, &scred);
218 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
220 smbfs_attr_cacheremove(vp);
226 struct vop_close_args /* {
227 struct vnodeop_desc *a_desc;
230 struct ucred *a_cred;
234 struct vnode *vp = ap->a_vp;
235 struct thread *td = ap->a_td;
236 struct smbnode *np = VTOSMB(vp);
237 struct smb_cred scred;
239 if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
240 np->n_dirseq != NULL) {
241 smb_makescred(&scred, td, ap->a_cred);
242 smbfs_findclose(np->n_dirseq, &scred);
249 * smbfs_getattr call from vfs.
253 struct vop_getattr_args /* {
256 struct ucred *a_cred;
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;
267 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
268 error = smbfs_attr_cachelookup(vp, va);
271 SMBVDEBUG("not in the cache\n");
272 smb_makescred(&scred, curthread, ap->a_cred);
273 oldsize = np->n_size;
274 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred);
276 SMBVDEBUG("error %d\n", error);
279 smbfs_attr_cacheenter(vp, &fattr);
280 smbfs_attr_cachelookup(vp, va);
281 if (np->n_flag & NOPEN)
282 np->n_size = oldsize;
288 struct vop_setattr_args /* {
291 struct ucred *a_cred;
294 struct vnode *vp = ap->a_vp;
295 struct smbnode *np = VTOSMB(vp);
296 struct vattr *vap = ap->a_vap;
297 struct timespec *mtime, *atime;
298 struct smb_cred scred;
299 struct smb_share *ssp = np->n_mount->sm_share;
300 struct smb_vc *vcp = SSTOVC(ssp);
301 struct thread *td = curthread;
303 int isreadonly, doclose, error = 0;
307 if (vap->va_flags != VNOVAL)
309 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
311 * Disallow write attempts if the filesystem is mounted read-only.
313 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
314 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
315 vap->va_mode != (mode_t)VNOVAL) && isreadonly)
317 smb_makescred(&scred, td, ap->a_cred);
318 if (vap->va_size != VNOVAL) {
319 switch (vp->v_type) {
330 vnode_pager_setsize(vp, (u_long)vap->va_size);
332 np->n_size = vap->va_size;
333 if ((np->n_flag & NOPEN) == 0) {
334 error = smbfs_smb_open(np,
335 SMB_SM_DENYNONE|SMB_AM_OPENRW,
341 error = smbfs_smb_setfsize(np, vap->va_size, &scred);
343 smbfs_smb_close(ssp, np->n_fid, NULL, &scred);
346 vnode_pager_setsize(vp, (u_long)tsize);
350 if (vap->va_mode != (mode_t)VNOVAL) {
351 old_n_dosattr = np->n_dosattr;
352 if (vap->va_mode & S_IWUSR)
353 np->n_dosattr &= ~SMB_FA_RDONLY;
355 np->n_dosattr |= SMB_FA_RDONLY;
356 if (np->n_dosattr != old_n_dosattr) {
357 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, &scred);
362 mtime = atime = NULL;
363 if (vap->va_mtime.tv_sec != VNOVAL)
364 mtime = &vap->va_mtime;
365 if (vap->va_atime.tv_sec != VNOVAL)
366 atime = &vap->va_atime;
367 if (mtime != atime) {
368 if (vap->va_vaflags & VA_UTIMES_NULL) {
369 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
371 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
373 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
376 mtime = &np->n_mtime;
378 atime = &np->n_atime;
381 * If file is opened, then we can use handle based calls.
382 * If not, use path based ones.
384 if ((np->n_flag & NOPEN) == 0) {
385 if (vcp->vc_flags & SMBV_WIN95) {
386 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
389 /* error = smbfs_smb_setfattrNT(np, 0,
390 mtime, atime, &scred);
391 VOP_GETATTR(vp, &vattr, ap->a_cred); */
393 np->n_mtime = *mtime;
394 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
396 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
397 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
398 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/
399 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
400 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
402 error = smbfs_smb_setpattr(np, 0, mtime, &scred);
405 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
406 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
407 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
408 error = smbfs_smb_setftime(np, mtime, atime, &scred);
411 * I have no idea how to handle this for core
412 * level servers. The possible solution is to
413 * update mtime after file is closed.
415 SMBERROR("can't update times on an opened file\n");
420 * Invalidate attribute cache in case if server doesn't set
421 * required attributes.
423 smbfs_attr_cacheremove(vp); /* invalidate cache */
424 VOP_GETATTR(vp, vap, ap->a_cred);
425 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
433 struct vop_read_args /* {
437 struct ucred *a_cred;
440 struct vnode *vp = ap->a_vp;
441 struct uio *uio = ap->a_uio;
444 if (vp->v_type != VREG && vp->v_type != VDIR)
446 return smbfs_readvnode(vp, uio, ap->a_cred);
451 struct vop_write_args /* {
455 struct ucred *a_cred;
458 struct vnode *vp = ap->a_vp;
459 struct uio *uio = ap->a_uio;
461 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
462 if (vp->v_type != VREG)
464 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
468 * Create a regular file. On entry the directory to contain the file being
469 * created is locked. We must release before we return. We must also free
470 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
471 * only if the SAVESTART bit in cn_flags is clear on success.
475 struct vop_create_args /* {
477 struct vnode **a_vpp;
478 struct componentname *a_cnp;
482 struct vnode *dvp = ap->a_dvp;
483 struct vattr *vap = ap->a_vap;
484 struct vnode **vpp=ap->a_vpp;
485 struct componentname *cnp = ap->a_cnp;
486 struct smbnode *dnp = VTOSMB(dvp);
489 struct smbfattr fattr;
490 struct smb_cred scred;
491 char *name = cnp->cn_nameptr;
492 int nmlen = cnp->cn_namelen;
498 if (vap->va_type != VREG)
500 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
502 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
504 error = smbfs_smb_create(dnp, name, nmlen, &scred);
507 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred);
510 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
514 if (cnp->cn_flags & MAKEENTRY)
515 cache_enter(dvp, vp, cnp);
521 struct vop_remove_args /* {
522 struct vnodeop_desc *a_desc;
523 struct vnode * a_dvp;
525 struct componentname * a_cnp;
528 struct vnode *vp = ap->a_vp;
529 /* struct vnode *dvp = ap->a_dvp;*/
530 struct componentname *cnp = ap->a_cnp;
531 struct smbnode *np = VTOSMB(vp);
532 struct smb_cred scred;
535 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
537 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
538 error = smbfs_smb_delete(np, &scred);
546 * smbfs_file rename call
550 struct vop_rename_args /* {
551 struct vnode *a_fdvp;
553 struct componentname *a_fcnp;
554 struct vnode *a_tdvp;
556 struct componentname *a_tcnp;
559 struct vnode *fvp = ap->a_fvp;
560 struct vnode *tvp = ap->a_tvp;
561 struct vnode *fdvp = ap->a_fdvp;
562 struct vnode *tdvp = ap->a_tdvp;
563 struct componentname *tcnp = ap->a_tcnp;
564 /* struct componentname *fcnp = ap->a_fcnp;*/
565 struct smb_cred scred;
569 /* Check for cross-device rename */
570 if ((fvp->v_mount != tdvp->v_mount) ||
571 (tvp && (fvp->v_mount != tvp->v_mount))) {
576 if (tvp && vrefcnt(tvp) > 1) {
580 flags = 0x10; /* verify all writes */
581 if (fvp->v_type == VDIR) {
583 } else if (fvp->v_type == VREG) {
589 smb_makescred(&scred, tcnp->cn_thread, tcnp->cn_cred);
591 * It seems that Samba doesn't implement SMB_COM_MOVE call...
594 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
595 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
596 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred);
601 * We have to do the work atomicaly
603 if (tvp && tvp != fvp) {
604 error = smbfs_smb_delete(VTOSMB(tvp), &scred);
607 VTOSMB(fvp)->n_flag |= NGONE;
609 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
610 tcnp->cn_nameptr, tcnp->cn_namelen, &scred);
613 if (fvp->v_type == VDIR) {
614 if (tvp != NULL && tvp->v_type == VDIR)
620 smbfs_attr_cacheremove(fdvp);
621 smbfs_attr_cacheremove(tdvp);
631 #ifdef possible_mistake
640 * somtime it will come true...
644 struct vop_link_args /* {
645 struct vnode *a_tdvp;
647 struct componentname *a_cnp;
654 * smbfs_symlink link create call.
655 * Sometime it will be functional...
659 struct vop_symlink_args /* {
661 struct vnode **a_vpp;
662 struct componentname *a_cnp;
672 struct vop_mknod_args /* {
680 struct vop_mkdir_args /* {
682 struct vnode **a_vpp;
683 struct componentname *a_cnp;
687 struct vnode *dvp = ap->a_dvp;
688 /* struct vattr *vap = ap->a_vap;*/
690 struct componentname *cnp = ap->a_cnp;
691 struct smbnode *dnp = VTOSMB(dvp);
693 struct smb_cred scred;
694 struct smbfattr fattr;
695 char *name = cnp->cn_nameptr;
696 int len = cnp->cn_namelen;
699 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
702 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
704 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
705 error = smbfs_smb_mkdir(dnp, name, len, &scred);
708 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred);
711 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
719 * smbfs_remove directory call
723 struct vop_rmdir_args /* {
726 struct componentname *a_cnp;
729 struct vnode *vp = ap->a_vp;
730 struct vnode *dvp = ap->a_dvp;
731 struct componentname *cnp = ap->a_cnp;
732 /* struct smbmount *smp = VTOSMBFS(vp);*/
733 struct smbnode *dnp = VTOSMB(dvp);
734 struct smbnode *np = VTOSMB(vp);
735 struct smb_cred scred;
741 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
742 error = smbfs_smb_rmdir(np, &scred);
745 dnp->n_flag |= NMODIFIED;
746 smbfs_attr_cacheremove(dvp);
747 /* cache_purge(dvp);*/
757 struct vop_readdir_args /* {
760 struct ucred *a_cred;
766 struct vnode *vp = ap->a_vp;
767 struct uio *uio = ap->a_uio;
770 if (vp->v_type != VDIR)
773 if (ap->a_ncookies) {
774 printf("smbfs_readdir: no support for cookies now...");
778 error = smbfs_readvnode(vp, uio, ap->a_cred);
785 struct vop_fsync_args /* {
786 struct vnodeop_desc *a_desc;
788 struct ucred * a_cred;
790 struct thread * a_td;
793 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
799 struct vop_print_args /* {
803 struct vnode *vp = ap->a_vp;
804 struct smbnode *np = VTOSMB(vp);
807 printf("no smbnode data\n");
810 printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
811 np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
817 struct vop_pathconf_args /* {
823 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
824 struct smb_vc *vcp = SSTOVC(smp->sm_share);
825 register_t *retval = ap->a_retval;
828 switch (ap->a_name) {
833 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
836 *retval = 800; /* XXX: a correct one ? */
846 struct vop_strategy_args /* {
850 struct buf *bp=ap->a_bp;
855 if (bp->b_flags & B_ASYNC)
856 td = (struct thread *)0;
858 td = curthread; /* XXX */
859 if (bp->b_iocmd == BIO_READ)
864 if ((bp->b_flags & B_ASYNC) == 0 )
865 (void)smbfs_doio(ap->a_vp, bp, cr, td);
871 struct vop_ioctl_args /* {
883 static char smbfs_atl[] = "rhsvda";
885 smbfs_getextattr(struct vop_getextattr_args *ap)
887 IN struct vnode *a_vp;
889 INOUT struct uio *a_uio;
890 IN struct ucred *a_cred;
891 IN struct thread *a_td;
895 struct vnode *vp = ap->a_vp;
896 struct thread *td = ap->a_td;
897 struct ucred *cred = ap->a_cred;
898 struct uio *uio = ap->a_uio;
899 const char *name = ap->a_name;
900 struct smbnode *np = VTOSMB(vp);
905 error = VOP_ACCESS(vp, VREAD, cred, td);
908 error = VOP_GETATTR(vp, &vattr, cred);
911 if (strcmp(name, "dosattr") == 0) {
912 attr = np->n_dosattr;
913 for (i = 0; i < 6; i++, attr >>= 1)
914 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
916 error = uiomove(buf, i, uio);
924 * Since we expected to support F_GETLK (and SMB protocol has no such function),
925 * it is necessary to use lf_advlock(). It would be nice if this function had
926 * a callback mechanism because it will help to improve a level of consistency.
930 struct vop_advlock_args /* {
938 struct vnode *vp = ap->a_vp;
939 struct smbnode *np = VTOSMB(vp);
940 struct flock *fl = ap->a_fl;
941 caddr_t id = (caddr_t)1 /* ap->a_id */;
942 /* int flags = ap->a_flags;*/
943 struct thread *td = curthread;
944 struct smb_cred scred;
946 off_t start, end, oadd;
949 if (vp->v_type == VDIR) {
951 * SMB protocol have no support for directory locking.
952 * Although locks can be processed on local machine, I don't
953 * think that this is a good idea, because some programs
954 * can work wrong assuming directory is locked. So, we just
955 * return 'operation not supported
960 switch (fl->l_whence) {
968 if (size > OFF_MAX ||
969 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
971 start = size + fl->l_start;
986 } else if (fl->l_len == 0)
989 oadd = fl->l_len - 1;
990 if (oadd > OFF_MAX - start)
994 smb_makescred(&scred, td, td->td_ucred);
997 switch (fl->l_type) {
999 lkop = SMB_LOCK_EXCL;
1002 lkop = SMB_LOCK_SHARED;
1005 lkop = SMB_LOCK_RELEASE;
1010 error = lf_advlock(ap, &vp->v_lockf, size);
1013 lkop = SMB_LOCK_EXCL;
1014 error = smbfs_smb_lock(np, lkop, id, start, end, &scred);
1016 int oldtype = fl->l_type;
1017 fl->l_type = F_UNLCK;
1019 lf_advlock(ap, &vp->v_lockf, size);
1020 fl->l_type = oldtype;
1024 lf_advlock(ap, &vp->v_lockf, size);
1025 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred);
1028 error = lf_advlock(ap, &vp->v_lockf, size);
1037 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1039 static const char *badchars = "*/:<>;?";
1040 static const char *badchars83 = " +|,[]=";
1045 * Backslash characters, being a path delimiter, are prohibited
1046 * within a path component even for LOOKUP operations.
1048 if (index(name, '\\') != NULL)
1051 if (nameiop == LOOKUP)
1054 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1056 * Name should conform 8.3 format
1059 return ENAMETOOLONG;
1060 cp = index(name, '.');
1063 if (cp == name || (cp - name) > 8)
1065 cp = index(cp + 1, '.');
1068 for (cp = name, i = 0; i < nmlen; i++, cp++)
1069 if (index(badchars83, *cp) != NULL)
1072 for (cp = name, i = 0; i < nmlen; i++, cp++)
1073 if (index(badchars, *cp) != NULL)
1079 * Things go even weird without fixed inode numbers...
1083 struct vop_lookup_args /* {
1084 struct vnodeop_desc *a_desc;
1085 struct vnode *a_dvp;
1086 struct vnode **a_vpp;
1087 struct componentname *a_cnp;
1090 struct componentname *cnp = ap->a_cnp;
1091 struct thread *td = cnp->cn_thread;
1092 struct vnode *dvp = ap->a_dvp;
1093 struct vnode **vpp = ap->a_vpp;
1095 struct smbmount *smp;
1096 struct mount *mp = dvp->v_mount;
1097 struct smbnode *dnp;
1098 struct smbfattr fattr, *fap;
1099 struct smb_cred scred;
1100 char *name = cnp->cn_nameptr;
1101 int flags = cnp->cn_flags;
1102 int nameiop = cnp->cn_nameiop;
1103 int nmlen = cnp->cn_namelen;
1104 int error, islastcn, isdot;
1108 if (dvp->v_type != VDIR)
1110 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1111 SMBFSERR("invalid '..'\n");
1114 #ifdef SMB_VNODE_DEBUG
1121 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name,
1122 VTOSMB(dvp)->n_name);
1126 islastcn = flags & ISLASTCN;
1127 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1129 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1131 smp = VFSTOSMBFS(mp);
1133 isdot = (nmlen == 1 && name[0] == '.');
1135 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1140 error = cache_lookup(dvp, vpp, cnp);
1141 SMBVDEBUG("cache_lookup returned %d\n", error);
1144 if (error) { /* name was found */
1149 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1151 * If the file type on the server is inconsistent
1152 * with what it was when we created the vnode,
1153 * kill the bogus vnode now and fall through to
1154 * the code below to create a new one with the
1158 ((vp->v_type == VDIR &&
1159 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1160 (vp->v_type == VREG &&
1161 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1164 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1165 if (nameiop != LOOKUP && islastcn)
1166 cnp->cn_flags |= SAVENAME;
1167 SMBVDEBUG("use cached vnode\n");
1172 * XXX This is not quite right, if '.' is
1173 * inconsistent, we really need to start the lookup
1174 * all over again. Hopefully there is some other
1175 * guarantee that prevents this case from happening.
1177 if (killit && vp != dvp)
1186 * entry is not in the cache or has been expired
1190 smb_makescred(&scred, td, cnp->cn_cred);
1192 if (flags & ISDOTDOT) {
1193 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1195 SMBVDEBUG("result of dotdot lookup: %d\n", error);
1198 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred);
1199 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/
1200 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1202 if (error && error != ENOENT)
1204 if (error) { /* entry not found */
1206 * Handle RENAME or CREATE case...
1208 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1209 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1212 cnp->cn_flags |= SAVENAME;
1213 return (EJUSTRETURN);
1217 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1220 * handle DELETE case ...
1222 if (nameiop == DELETE && islastcn) { /* delete last component */
1223 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1231 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1235 cnp->cn_flags |= SAVENAME;
1238 if (nameiop == RENAME && islastcn) {
1239 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1244 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1248 cnp->cn_flags |= SAVENAME;
1251 if (flags & ISDOTDOT) {
1253 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1254 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1262 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1266 SMBVDEBUG("lookup: getnewvp!\n");
1268 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1269 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1270 cache_enter(dvp, *vpp, cnp);