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.
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
28 #include <sys/param.h>
29 #include <sys/systm.h>
30 #include <sys/namei.h>
31 #include <sys/kernel.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>
44 #include <vm/vm_extern.h>
47 #include <netsmb/smb.h>
48 #include <netsmb/smb_conn.h>
49 #include <netsmb/smb_subr.h>
51 #include <fs/smbfs/smbfs.h>
52 #include <fs/smbfs/smbfs_node.h>
53 #include <fs/smbfs/smbfs_subr.h>
56 * Prototypes for SMBFS vnode operations
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;
82 struct vop_vector smbfs_vnodeops = {
83 .vop_default = &default_vnodeops,
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,
118 struct vop_access_args /* {
121 struct ucred *a_cred;
125 struct vnode *vp = ap->a_vp;
126 accmode_t accmode = ap->a_accmode;
128 struct smbmount *smp = VTOSMBFS(vp);
131 if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
132 switch (vp->v_type) {
133 case VREG: case VDIR: case VLNK:
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));
147 struct vop_open_args /* {
150 struct ucred *a_cred;
154 struct vnode *vp = ap->a_vp;
155 struct smbnode *np = VTOSMB(vp);
156 struct smb_cred scred;
158 int mode = ap->a_mode;
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);
166 if (vp->v_type == VDIR) {
170 if (np->n_flag & NMODIFIED) {
171 if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
173 smbfs_attr_cacheremove(vp);
174 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
177 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
179 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
182 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
183 error = smbfs_vinvalbuf(vp, ap->a_td);
186 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
189 if ((np->n_flag & NOPEN) != 0)
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.
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 smb_makescred(&scred, ap->a_td, ap->a_cred);
201 error = smbfs_smb_open(np, accmode, &scred);
205 else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
206 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
207 error = smbfs_smb_open(np, accmode, &scred);
212 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
214 smbfs_attr_cacheremove(vp);
220 struct vop_close_args /* {
221 struct vnodeop_desc *a_desc;
224 struct ucred *a_cred;
228 struct vnode *vp = ap->a_vp;
229 struct thread *td = ap->a_td;
230 struct smbnode *np = VTOSMB(vp);
231 struct smb_cred scred;
233 if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
234 np->n_dirseq != NULL) {
235 smb_makescred(&scred, td, ap->a_cred);
236 smbfs_findclose(np->n_dirseq, &scred);
243 * smbfs_getattr call from vfs.
247 struct vop_getattr_args /* {
250 struct ucred *a_cred;
253 struct vnode *vp = ap->a_vp;
254 struct smbnode *np = VTOSMB(vp);
255 struct vattr *va=ap->a_vap;
256 struct smbfattr fattr;
257 struct smb_cred scred;
261 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
262 error = smbfs_attr_cachelookup(vp, va);
265 SMBVDEBUG("not in the cache\n");
266 smb_makescred(&scred, curthread, ap->a_cred);
267 oldsize = np->n_size;
268 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred);
270 SMBVDEBUG("error %d\n", error);
273 smbfs_attr_cacheenter(vp, &fattr);
274 smbfs_attr_cachelookup(vp, va);
275 if (np->n_flag & NOPEN)
276 np->n_size = oldsize;
282 struct vop_setattr_args /* {
285 struct ucred *a_cred;
288 struct vnode *vp = ap->a_vp;
289 struct smbnode *np = VTOSMB(vp);
290 struct vattr *vap = ap->a_vap;
291 struct timespec *mtime, *atime;
292 struct smb_cred scred;
293 struct smb_share *ssp = np->n_mount->sm_share;
294 struct smb_vc *vcp = SSTOVC(ssp);
295 struct thread *td = curthread;
297 int isreadonly, doclose, error = 0;
301 if (vap->va_flags != VNOVAL)
303 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
305 * Disallow write attempts if the filesystem is mounted read-only.
307 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
308 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
309 vap->va_mode != (mode_t)VNOVAL) && isreadonly)
311 smb_makescred(&scred, td, ap->a_cred);
312 if (vap->va_size != VNOVAL) {
313 switch (vp->v_type) {
324 vnode_pager_setsize(vp, (u_long)vap->va_size);
326 np->n_size = vap->va_size;
327 if ((np->n_flag & NOPEN) == 0) {
328 error = smbfs_smb_open(np,
329 SMB_SM_DENYNONE|SMB_AM_OPENRW,
335 error = smbfs_smb_setfsize(np,
336 (int64_t)vap->va_size, &scred);
338 smbfs_smb_close(ssp, np->n_fid, NULL, &scred);
341 vnode_pager_setsize(vp, (u_long)tsize);
345 if (vap->va_mode != (mode_t)VNOVAL) {
346 old_n_dosattr = np->n_dosattr;
347 if (vap->va_mode & S_IWUSR)
348 np->n_dosattr &= ~SMB_FA_RDONLY;
350 np->n_dosattr |= SMB_FA_RDONLY;
351 if (np->n_dosattr != old_n_dosattr) {
352 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, &scred);
357 mtime = atime = NULL;
358 if (vap->va_mtime.tv_sec != VNOVAL)
359 mtime = &vap->va_mtime;
360 if (vap->va_atime.tv_sec != VNOVAL)
361 atime = &vap->va_atime;
362 if (mtime != atime) {
363 if (vap->va_vaflags & VA_UTIMES_NULL) {
364 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
366 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
368 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
371 mtime = &np->n_mtime;
373 atime = &np->n_atime;
376 * If file is opened, then we can use handle based calls.
377 * If not, use path based ones.
379 if ((np->n_flag & NOPEN) == 0) {
380 if (vcp->vc_flags & SMBV_WIN95) {
381 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
384 /* error = smbfs_smb_setfattrNT(np, 0,
385 mtime, atime, &scred);
386 VOP_GETATTR(vp, &vattr, ap->a_cred); */
388 np->n_mtime = *mtime;
389 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
391 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
392 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
393 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/
394 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
395 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
397 error = smbfs_smb_setpattr(np, 0, mtime, &scred);
400 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
401 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
402 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
403 error = smbfs_smb_setftime(np, mtime, atime, &scred);
406 * I have no idea how to handle this for core
407 * level servers. The possible solution is to
408 * update mtime after file is closed.
410 SMBERROR("can't update times on an opened file\n");
415 * Invalidate attribute cache in case if server doesn't set
416 * required attributes.
418 smbfs_attr_cacheremove(vp); /* invalidate cache */
419 VOP_GETATTR(vp, vap, ap->a_cred);
420 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
428 struct vop_read_args /* {
432 struct ucred *a_cred;
435 struct vnode *vp = ap->a_vp;
436 struct uio *uio = ap->a_uio;
439 if (vp->v_type != VREG && vp->v_type != VDIR)
441 return smbfs_readvnode(vp, uio, ap->a_cred);
446 struct vop_write_args /* {
450 struct ucred *a_cred;
453 struct vnode *vp = ap->a_vp;
454 struct uio *uio = ap->a_uio;
456 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
457 if (vp->v_type != VREG)
459 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
463 * Create a regular file. On entry the directory to contain the file being
464 * created is locked. We must release before we return. We must also free
465 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
466 * only if the SAVESTART bit in cn_flags is clear on success.
470 struct vop_create_args /* {
472 struct vnode **a_vpp;
473 struct componentname *a_cnp;
477 struct vnode *dvp = ap->a_dvp;
478 struct vattr *vap = ap->a_vap;
479 struct vnode **vpp=ap->a_vpp;
480 struct componentname *cnp = ap->a_cnp;
481 struct smbnode *dnp = VTOSMB(dvp);
484 struct smbfattr fattr;
485 struct smb_cred scred;
486 char *name = cnp->cn_nameptr;
487 int nmlen = cnp->cn_namelen;
493 if (vap->va_type != VREG)
495 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
497 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
499 error = smbfs_smb_create(dnp, name, nmlen, &scred);
502 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred);
505 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
509 if (cnp->cn_flags & MAKEENTRY)
510 cache_enter(dvp, vp, cnp);
516 struct vop_remove_args /* {
517 struct vnodeop_desc *a_desc;
518 struct vnode * a_dvp;
520 struct componentname * a_cnp;
523 struct vnode *vp = ap->a_vp;
524 /* struct vnode *dvp = ap->a_dvp;*/
525 struct componentname *cnp = ap->a_cnp;
526 struct smbnode *np = VTOSMB(vp);
527 struct smb_cred scred;
530 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
532 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
533 error = smbfs_smb_delete(np, &scred);
541 * smbfs_file rename call
545 struct vop_rename_args /* {
546 struct vnode *a_fdvp;
548 struct componentname *a_fcnp;
549 struct vnode *a_tdvp;
551 struct componentname *a_tcnp;
554 struct vnode *fvp = ap->a_fvp;
555 struct vnode *tvp = ap->a_tvp;
556 struct vnode *fdvp = ap->a_fdvp;
557 struct vnode *tdvp = ap->a_tdvp;
558 struct componentname *tcnp = ap->a_tcnp;
559 /* struct componentname *fcnp = ap->a_fcnp;*/
560 struct smb_cred scred;
564 /* Check for cross-device rename */
565 if ((fvp->v_mount != tdvp->v_mount) ||
566 (tvp && (fvp->v_mount != tvp->v_mount))) {
571 if (tvp && vrefcnt(tvp) > 1) {
575 flags = 0x10; /* verify all writes */
576 if (fvp->v_type == VDIR) {
578 } else if (fvp->v_type == VREG) {
584 smb_makescred(&scred, tcnp->cn_thread, tcnp->cn_cred);
586 * It seems that Samba doesn't implement SMB_COM_MOVE call...
589 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
590 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
591 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred);
596 * We have to do the work atomicaly
598 if (tvp && tvp != fvp) {
599 error = smbfs_smb_delete(VTOSMB(tvp), &scred);
602 VTOSMB(fvp)->n_flag |= NGONE;
604 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
605 tcnp->cn_nameptr, tcnp->cn_namelen, &scred);
608 if (fvp->v_type == VDIR) {
609 if (tvp != NULL && tvp->v_type == VDIR)
615 smbfs_attr_cacheremove(fdvp);
616 smbfs_attr_cacheremove(tdvp);
626 #ifdef possible_mistake
635 * somtime it will come true...
639 struct vop_link_args /* {
640 struct vnode *a_tdvp;
642 struct componentname *a_cnp;
649 * smbfs_symlink link create call.
650 * Sometime it will be functional...
654 struct vop_symlink_args /* {
656 struct vnode **a_vpp;
657 struct componentname *a_cnp;
667 struct vop_mknod_args /* {
675 struct vop_mkdir_args /* {
677 struct vnode **a_vpp;
678 struct componentname *a_cnp;
682 struct vnode *dvp = ap->a_dvp;
683 /* struct vattr *vap = ap->a_vap;*/
685 struct componentname *cnp = ap->a_cnp;
686 struct smbnode *dnp = VTOSMB(dvp);
688 struct smb_cred scred;
689 struct smbfattr fattr;
690 char *name = cnp->cn_nameptr;
691 int len = cnp->cn_namelen;
694 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
697 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
699 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
700 error = smbfs_smb_mkdir(dnp, name, len, &scred);
703 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred);
706 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
714 * smbfs_remove directory call
718 struct vop_rmdir_args /* {
721 struct componentname *a_cnp;
724 struct vnode *vp = ap->a_vp;
725 struct vnode *dvp = ap->a_dvp;
726 struct componentname *cnp = ap->a_cnp;
727 /* struct smbmount *smp = VTOSMBFS(vp);*/
728 struct smbnode *dnp = VTOSMB(dvp);
729 struct smbnode *np = VTOSMB(vp);
730 struct smb_cred scred;
736 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred);
737 error = smbfs_smb_rmdir(np, &scred);
740 dnp->n_flag |= NMODIFIED;
741 smbfs_attr_cacheremove(dvp);
742 /* cache_purge(dvp);*/
752 struct vop_readdir_args /* {
755 struct ucred *a_cred;
761 struct vnode *vp = ap->a_vp;
762 struct uio *uio = ap->a_uio;
765 if (vp->v_type != VDIR)
768 if (ap->a_ncookies) {
769 printf("smbfs_readdir: no support for cookies now...");
773 error = smbfs_readvnode(vp, uio, ap->a_cred);
780 struct vop_fsync_args /* {
781 struct vnodeop_desc *a_desc;
783 struct ucred * a_cred;
785 struct thread * a_td;
788 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
794 struct vop_print_args /* {
798 struct vnode *vp = ap->a_vp;
799 struct smbnode *np = VTOSMB(vp);
802 printf("no smbnode data\n");
805 printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
806 np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
812 struct vop_pathconf_args /* {
818 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
819 struct smb_vc *vcp = SSTOVC(smp->sm_share);
820 register_t *retval = ap->a_retval;
823 switch (ap->a_name) {
828 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
831 *retval = 800; /* XXX: a correct one ? */
841 struct vop_strategy_args /* {
845 struct buf *bp=ap->a_bp;
850 if (bp->b_flags & B_ASYNC)
851 td = (struct thread *)0;
853 td = curthread; /* XXX */
854 if (bp->b_iocmd == BIO_READ)
859 if ((bp->b_flags & B_ASYNC) == 0 )
860 (void)smbfs_doio(ap->a_vp, bp, cr, td);
866 struct vop_ioctl_args /* {
878 static char smbfs_atl[] = "rhsvda";
880 smbfs_getextattr(struct vop_getextattr_args *ap)
882 IN struct vnode *a_vp;
884 INOUT struct uio *a_uio;
885 IN struct ucred *a_cred;
886 IN struct thread *a_td;
890 struct vnode *vp = ap->a_vp;
891 struct thread *td = ap->a_td;
892 struct ucred *cred = ap->a_cred;
893 struct uio *uio = ap->a_uio;
894 const char *name = ap->a_name;
895 struct smbnode *np = VTOSMB(vp);
900 error = VOP_ACCESS(vp, VREAD, cred, td);
903 error = VOP_GETATTR(vp, &vattr, cred);
906 if (strcmp(name, "dosattr") == 0) {
907 attr = np->n_dosattr;
908 for (i = 0; i < 6; i++, attr >>= 1)
909 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
911 error = uiomove(buf, i, uio);
919 * Since we expected to support F_GETLK (and SMB protocol has no such function),
920 * it is necessary to use lf_advlock(). It would be nice if this function had
921 * a callback mechanism because it will help to improve a level of consistency.
925 struct vop_advlock_args /* {
933 struct vnode *vp = ap->a_vp;
934 struct smbnode *np = VTOSMB(vp);
935 struct flock *fl = ap->a_fl;
936 caddr_t id = (caddr_t)1 /* ap->a_id */;
937 /* int flags = ap->a_flags;*/
938 struct thread *td = curthread;
939 struct smb_cred scred;
941 off_t start, end, oadd;
944 if (vp->v_type == VDIR) {
946 * SMB protocol have no support for directory locking.
947 * Although locks can be processed on local machine, I don't
948 * think that this is a good idea, because some programs
949 * can work wrong assuming directory is locked. So, we just
950 * return 'operation not supported
955 switch (fl->l_whence) {
963 if (size > OFF_MAX ||
964 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
966 start = size + fl->l_start;
981 } else if (fl->l_len == 0)
984 oadd = fl->l_len - 1;
985 if (oadd > OFF_MAX - start)
989 smb_makescred(&scred, td, td->td_ucred);
992 switch (fl->l_type) {
994 lkop = SMB_LOCK_EXCL;
997 lkop = SMB_LOCK_SHARED;
1000 lkop = SMB_LOCK_RELEASE;
1005 error = lf_advlock(ap, &vp->v_lockf, size);
1008 lkop = SMB_LOCK_EXCL;
1009 error = smbfs_smb_lock(np, lkop, id, start, end, &scred);
1011 int oldtype = fl->l_type;
1012 fl->l_type = F_UNLCK;
1014 lf_advlock(ap, &vp->v_lockf, size);
1015 fl->l_type = oldtype;
1019 lf_advlock(ap, &vp->v_lockf, size);
1020 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred);
1023 error = lf_advlock(ap, &vp->v_lockf, size);
1032 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1034 static const char *badchars = "*/:<>;?";
1035 static const char *badchars83 = " +|,[]=";
1040 * Backslash characters, being a path delimiter, are prohibited
1041 * within a path component even for LOOKUP operations.
1043 if (index(name, '\\') != NULL)
1046 if (nameiop == LOOKUP)
1049 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1051 * Name should conform 8.3 format
1054 return ENAMETOOLONG;
1055 cp = index(name, '.');
1058 if (cp == name || (cp - name) > 8)
1060 cp = index(cp + 1, '.');
1063 for (cp = name, i = 0; i < nmlen; i++, cp++)
1064 if (index(badchars83, *cp) != NULL)
1067 for (cp = name, i = 0; i < nmlen; i++, cp++)
1068 if (index(badchars, *cp) != NULL)
1074 * Things go even weird without fixed inode numbers...
1078 struct vop_lookup_args /* {
1079 struct vnodeop_desc *a_desc;
1080 struct vnode *a_dvp;
1081 struct vnode **a_vpp;
1082 struct componentname *a_cnp;
1085 struct componentname *cnp = ap->a_cnp;
1086 struct thread *td = cnp->cn_thread;
1087 struct vnode *dvp = ap->a_dvp;
1088 struct vnode **vpp = ap->a_vpp;
1090 struct smbmount *smp;
1091 struct mount *mp = dvp->v_mount;
1092 struct smbnode *dnp;
1093 struct smbfattr fattr, *fap;
1094 struct smb_cred scred;
1095 char *name = cnp->cn_nameptr;
1096 int flags = cnp->cn_flags;
1097 int nameiop = cnp->cn_nameiop;
1098 int nmlen = cnp->cn_namelen;
1099 int error, islastcn, isdot;
1103 if (dvp->v_type != VDIR)
1105 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1106 SMBFSERR("invalid '..'\n");
1109 #ifdef SMB_VNODE_DEBUG
1116 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name,
1117 VTOSMB(dvp)->n_name);
1121 islastcn = flags & ISLASTCN;
1122 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1124 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1126 smp = VFSTOSMBFS(mp);
1128 isdot = (nmlen == 1 && name[0] == '.');
1130 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1135 error = cache_lookup(dvp, vpp, cnp);
1136 SMBVDEBUG("cache_lookup returned %d\n", error);
1139 if (error) { /* name was found */
1144 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1146 * If the file type on the server is inconsistent
1147 * with what it was when we created the vnode,
1148 * kill the bogus vnode now and fall through to
1149 * the code below to create a new one with the
1153 ((vp->v_type == VDIR &&
1154 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1155 (vp->v_type == VREG &&
1156 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1159 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1160 if (nameiop != LOOKUP && islastcn)
1161 cnp->cn_flags |= SAVENAME;
1162 SMBVDEBUG("use cached vnode\n");
1167 * XXX This is not quite right, if '.' is
1168 * inconsistent, we really need to start the lookup
1169 * all over again. Hopefully there is some other
1170 * guarantee that prevents this case from happening.
1172 if (killit && vp != dvp)
1181 * entry is not in the cache or has been expired
1185 smb_makescred(&scred, td, cnp->cn_cred);
1187 if (flags & ISDOTDOT) {
1188 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1190 SMBVDEBUG("result of dotdot lookup: %d\n", error);
1193 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred);
1194 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/
1195 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1197 if (error && error != ENOENT)
1199 if (error) { /* entry not found */
1201 * Handle RENAME or CREATE case...
1203 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1204 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1207 cnp->cn_flags |= SAVENAME;
1208 return (EJUSTRETURN);
1212 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1215 * handle DELETE case ...
1217 if (nameiop == DELETE && islastcn) { /* delete last component */
1218 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1226 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1230 cnp->cn_flags |= SAVENAME;
1233 if (nameiop == RENAME && islastcn) {
1234 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1239 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1243 cnp->cn_flags |= SAVENAME;
1246 if (flags & ISDOTDOT) {
1248 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1249 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1257 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1261 SMBVDEBUG("lookup: getnewvp!\n");
1263 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1264 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1265 cache_enter(dvp, *vpp, cnp);