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 scred = smbfs_malloc_scred();
201 smb_makescred(scred, ap->a_td, ap->a_cred);
202 error = smbfs_smb_open(np, accmode, scred);
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);
213 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
215 smbfs_attr_cacheremove(vp);
216 smbfs_free_scred(scred);
222 struct vop_close_args /* {
223 struct vnodeop_desc *a_desc;
226 struct ucred *a_cred;
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;
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);
247 * smbfs_getattr call from vfs.
251 struct vop_getattr_args /* {
254 struct ucred *a_cred;
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;
265 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
266 error = smbfs_attr_cachelookup(vp, va);
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);
275 SMBVDEBUG("error %d\n", error);
276 smbfs_free_scred(scred);
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);
289 struct vop_setattr_args /* {
292 struct ucred *a_cred;
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;
304 int isreadonly, doclose, error = 0;
308 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
310 * Disallow write attempts if the filesystem is mounted read-only.
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) &&
319 * We only support setting four flags. Don't allow setting others.
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.
326 if (vap->va_flags != VNOVAL) {
327 if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
332 scred = smbfs_malloc_scred();
333 smb_makescred(scred, td, ap->a_cred);
334 if (vap->va_size != VNOVAL) {
335 switch (vp->v_type) {
350 vnode_pager_setsize(vp, (u_long)vap->va_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,
361 error = smbfs_smb_setfsize(np, vap->va_size, scred);
363 smbfs_smb_close(ssp, np->n_fid, NULL, scred);
366 vnode_pager_setsize(vp, (u_long)tsize);
370 if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
371 old_n_dosattr = np->n_dosattr;
373 if (vap->va_mode != (mode_t)VNOVAL) {
374 if (vap->va_mode & S_IWUSR)
375 np->n_dosattr &= ~SMB_FA_RDONLY;
377 np->n_dosattr |= SMB_FA_RDONLY;
380 if (vap->va_flags != VNOVAL) {
381 if (vap->va_flags & UF_HIDDEN)
382 np->n_dosattr |= SMB_FA_HIDDEN;
384 np->n_dosattr &= ~SMB_FA_HIDDEN;
386 if (vap->va_flags & UF_SYSTEM)
387 np->n_dosattr |= SMB_FA_SYSTEM;
389 np->n_dosattr &= ~SMB_FA_SYSTEM;
391 if (vap->va_flags & UF_ARCHIVE)
392 np->n_dosattr |= SMB_FA_ARCHIVE;
394 np->n_dosattr &= ~SMB_FA_ARCHIVE;
397 * We only support setting the immutable / readonly
398 * bit for regular files. According to comments in
399 * the MacOS X version of this code, supporting the
400 * readonly bit on directories doesn't do the same
401 * thing in Windows as in Unix.
403 if (vp->v_type == VREG) {
404 if (vap->va_flags & UF_READONLY)
405 np->n_dosattr |= SMB_FA_RDONLY;
407 np->n_dosattr &= ~SMB_FA_RDONLY;
411 if (np->n_dosattr != old_n_dosattr) {
412 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
417 mtime = atime = NULL;
418 if (vap->va_mtime.tv_sec != VNOVAL)
419 mtime = &vap->va_mtime;
420 if (vap->va_atime.tv_sec != VNOVAL)
421 atime = &vap->va_atime;
422 if (mtime != atime) {
423 if (vap->va_vaflags & VA_UTIMES_NULL) {
424 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
426 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
428 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
431 mtime = &np->n_mtime;
433 atime = &np->n_atime;
436 * If file is opened, then we can use handle based calls.
437 * If not, use path based ones.
439 if ((np->n_flag & NOPEN) == 0) {
440 if (vcp->vc_flags & SMBV_WIN95) {
441 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
444 /* error = smbfs_smb_setfattrNT(np, 0,
445 mtime, atime, scred);
446 VOP_GETATTR(vp, &vattr, ap->a_cred); */
448 np->n_mtime = *mtime;
449 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
451 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
452 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
453 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, scred);*/
454 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
455 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
457 error = smbfs_smb_setpattr(np, 0, mtime, scred);
460 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
461 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, scred);
462 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
463 error = smbfs_smb_setftime(np, mtime, atime, scred);
466 * I have no idea how to handle this for core
467 * level servers. The possible solution is to
468 * update mtime after file is closed.
470 SMBERROR("can't update times on an opened file\n");
475 * Invalidate attribute cache in case if server doesn't set
476 * required attributes.
478 smbfs_attr_cacheremove(vp); /* invalidate cache */
479 VOP_GETATTR(vp, vap, ap->a_cred);
480 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
482 smbfs_free_scred(scred);
490 struct vop_read_args /* {
494 struct ucred *a_cred;
497 struct vnode *vp = ap->a_vp;
498 struct uio *uio = ap->a_uio;
501 if (vp->v_type != VREG && vp->v_type != VDIR)
503 return smbfs_readvnode(vp, uio, ap->a_cred);
508 struct vop_write_args /* {
512 struct ucred *a_cred;
515 struct vnode *vp = ap->a_vp;
516 struct uio *uio = ap->a_uio;
518 SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset,
520 if (vp->v_type != VREG)
522 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
526 * Create a regular file. On entry the directory to contain the file being
527 * created is locked. We must release before we return. We must also free
528 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
529 * only if the SAVESTART bit in cn_flags is clear on success.
533 struct vop_create_args /* {
535 struct vnode **a_vpp;
536 struct componentname *a_cnp;
540 struct vnode *dvp = ap->a_dvp;
541 struct vattr *vap = ap->a_vap;
542 struct vnode **vpp=ap->a_vpp;
543 struct componentname *cnp = ap->a_cnp;
544 struct smbnode *dnp = VTOSMB(dvp);
547 struct smbfattr fattr;
548 struct smb_cred *scred;
549 char *name = cnp->cn_nameptr;
550 int nmlen = cnp->cn_namelen;
556 if (vap->va_type != VREG)
558 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
560 scred = smbfs_malloc_scred();
561 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
563 error = smbfs_smb_create(dnp, name, nmlen, scred);
566 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, scred);
569 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
573 if (cnp->cn_flags & MAKEENTRY)
574 cache_enter(dvp, vp, cnp);
576 smbfs_free_scred(scred);
582 struct vop_remove_args /* {
583 struct vnodeop_desc *a_desc;
584 struct vnode * a_dvp;
586 struct componentname * a_cnp;
589 struct vnode *vp = ap->a_vp;
590 /* struct vnode *dvp = ap->a_dvp;*/
591 struct componentname *cnp = ap->a_cnp;
592 struct smbnode *np = VTOSMB(vp);
593 struct smb_cred *scred;
596 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
598 scred = smbfs_malloc_scred();
599 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
600 error = smbfs_smb_delete(np, scred);
604 smbfs_free_scred(scred);
609 * smbfs_file rename call
613 struct vop_rename_args /* {
614 struct vnode *a_fdvp;
616 struct componentname *a_fcnp;
617 struct vnode *a_tdvp;
619 struct componentname *a_tcnp;
622 struct vnode *fvp = ap->a_fvp;
623 struct vnode *tvp = ap->a_tvp;
624 struct vnode *fdvp = ap->a_fdvp;
625 struct vnode *tdvp = ap->a_tdvp;
626 struct componentname *tcnp = ap->a_tcnp;
627 /* struct componentname *fcnp = ap->a_fcnp;*/
628 struct smb_cred *scred;
633 /* Check for cross-device rename */
634 if ((fvp->v_mount != tdvp->v_mount) ||
635 (tvp && (fvp->v_mount != tvp->v_mount))) {
640 if (tvp && vrefcnt(tvp) > 1) {
644 flags = 0x10; /* verify all writes */
645 if (fvp->v_type == VDIR) {
647 } else if (fvp->v_type == VREG) {
652 scred = smbfs_malloc_scred();
653 smb_makescred(scred, tcnp->cn_thread, tcnp->cn_cred);
655 * It seems that Samba doesn't implement SMB_COM_MOVE call...
658 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
659 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
660 tcnp->cn_nameptr, tcnp->cn_namelen, flags, scred);
665 * We have to do the work atomicaly
667 if (tvp && tvp != fvp) {
668 error = smbfs_smb_delete(VTOSMB(tvp), scred);
671 VTOSMB(fvp)->n_flag |= NGONE;
673 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
674 tcnp->cn_nameptr, tcnp->cn_namelen, scred);
677 if (fvp->v_type == VDIR) {
678 if (tvp != NULL && tvp->v_type == VDIR)
684 smbfs_attr_cacheremove(fdvp);
685 smbfs_attr_cacheremove(tdvp);
687 smbfs_free_scred(scred);
696 #ifdef possible_mistake
705 * somtime it will come true...
709 struct vop_link_args /* {
710 struct vnode *a_tdvp;
712 struct componentname *a_cnp;
719 * smbfs_symlink link create call.
720 * Sometime it will be functional...
724 struct vop_symlink_args /* {
726 struct vnode **a_vpp;
727 struct componentname *a_cnp;
737 struct vop_mknod_args /* {
745 struct vop_mkdir_args /* {
747 struct vnode **a_vpp;
748 struct componentname *a_cnp;
752 struct vnode *dvp = ap->a_dvp;
753 /* struct vattr *vap = ap->a_vap;*/
755 struct componentname *cnp = ap->a_cnp;
756 struct smbnode *dnp = VTOSMB(dvp);
758 struct smb_cred *scred;
759 struct smbfattr fattr;
760 char *name = cnp->cn_nameptr;
761 int len = cnp->cn_namelen;
764 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
767 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
769 scred = smbfs_malloc_scred();
770 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
771 error = smbfs_smb_mkdir(dnp, name, len, scred);
774 error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
777 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
782 smbfs_free_scred(scred);
787 * smbfs_remove directory call
791 struct vop_rmdir_args /* {
794 struct componentname *a_cnp;
797 struct vnode *vp = ap->a_vp;
798 struct vnode *dvp = ap->a_dvp;
799 struct componentname *cnp = ap->a_cnp;
800 /* struct smbmount *smp = VTOSMBFS(vp);*/
801 struct smbnode *dnp = VTOSMB(dvp);
802 struct smbnode *np = VTOSMB(vp);
803 struct smb_cred *scred;
809 scred = smbfs_malloc_scred();
810 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
811 error = smbfs_smb_rmdir(np, scred);
814 dnp->n_flag |= NMODIFIED;
815 smbfs_attr_cacheremove(dvp);
816 /* cache_purge(dvp);*/
818 smbfs_free_scred(scred);
827 struct vop_readdir_args /* {
830 struct ucred *a_cred;
836 struct vnode *vp = ap->a_vp;
837 struct uio *uio = ap->a_uio;
840 if (vp->v_type != VDIR)
843 if (ap->a_ncookies) {
844 printf("smbfs_readdir: no support for cookies now...");
848 error = smbfs_readvnode(vp, uio, ap->a_cred);
855 struct vop_fsync_args /* {
856 struct vnodeop_desc *a_desc;
858 struct ucred * a_cred;
860 struct thread * a_td;
863 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
869 struct vop_print_args /* {
873 struct vnode *vp = ap->a_vp;
874 struct smbnode *np = VTOSMB(vp);
877 printf("no smbnode data\n");
880 printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
881 np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
887 struct vop_pathconf_args /* {
893 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
894 struct smb_vc *vcp = SSTOVC(smp->sm_share);
895 register_t *retval = ap->a_retval;
898 switch (ap->a_name) {
903 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
906 *retval = 800; /* XXX: a correct one ? */
916 struct vop_strategy_args /* {
920 struct buf *bp=ap->a_bp;
925 if (bp->b_flags & B_ASYNC)
926 td = (struct thread *)0;
928 td = curthread; /* XXX */
929 if (bp->b_iocmd == BIO_READ)
934 if ((bp->b_flags & B_ASYNC) == 0 )
935 (void)smbfs_doio(ap->a_vp, bp, cr, td);
941 struct vop_ioctl_args /* {
953 static char smbfs_atl[] = "rhsvda";
955 smbfs_getextattr(struct vop_getextattr_args *ap)
957 IN struct vnode *a_vp;
959 INOUT struct uio *a_uio;
960 IN struct ucred *a_cred;
961 IN struct thread *a_td;
965 struct vnode *vp = ap->a_vp;
966 struct thread *td = ap->a_td;
967 struct ucred *cred = ap->a_cred;
968 struct uio *uio = ap->a_uio;
969 const char *name = ap->a_name;
970 struct smbnode *np = VTOSMB(vp);
975 error = VOP_ACCESS(vp, VREAD, cred, td);
978 error = VOP_GETATTR(vp, &vattr, cred);
981 if (strcmp(name, "dosattr") == 0) {
982 attr = np->n_dosattr;
983 for (i = 0; i < 6; i++, attr >>= 1)
984 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
986 error = uiomove(buf, i, uio);
994 * Since we expected to support F_GETLK (and SMB protocol has no such function),
995 * it is necessary to use lf_advlock(). It would be nice if this function had
996 * a callback mechanism because it will help to improve a level of consistency.
1000 struct vop_advlock_args /* {
1008 struct vnode *vp = ap->a_vp;
1009 struct smbnode *np = VTOSMB(vp);
1010 struct flock *fl = ap->a_fl;
1011 caddr_t id = (caddr_t)1 /* ap->a_id */;
1012 /* int flags = ap->a_flags;*/
1013 struct thread *td = curthread;
1014 struct smb_cred *scred;
1016 off_t start, end, oadd;
1019 if (vp->v_type == VDIR) {
1021 * SMB protocol have no support for directory locking.
1022 * Although locks can be processed on local machine, I don't
1023 * think that this is a good idea, because some programs
1024 * can work wrong assuming directory is locked. So, we just
1025 * return 'operation not supported
1030 switch (fl->l_whence) {
1034 start = fl->l_start;
1038 if (size > OFF_MAX ||
1039 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
1041 start = size + fl->l_start;
1049 if (fl->l_len < 0) {
1056 } else if (fl->l_len == 0)
1059 oadd = fl->l_len - 1;
1060 if (oadd > OFF_MAX - start)
1064 scred = smbfs_malloc_scred();
1065 smb_makescred(scred, td, td->td_ucred);
1068 switch (fl->l_type) {
1070 lkop = SMB_LOCK_EXCL;
1073 lkop = SMB_LOCK_SHARED;
1076 lkop = SMB_LOCK_RELEASE;
1079 smbfs_free_scred(scred);
1082 error = lf_advlock(ap, &vp->v_lockf, size);
1085 lkop = SMB_LOCK_EXCL;
1086 error = smbfs_smb_lock(np, lkop, id, start, end, scred);
1088 int oldtype = fl->l_type;
1089 fl->l_type = F_UNLCK;
1091 lf_advlock(ap, &vp->v_lockf, size);
1092 fl->l_type = oldtype;
1096 lf_advlock(ap, &vp->v_lockf, size);
1097 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
1100 error = lf_advlock(ap, &vp->v_lockf, size);
1103 smbfs_free_scred(scred);
1106 smbfs_free_scred(scred);
1111 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1113 static const char *badchars = "*/:<>;?";
1114 static const char *badchars83 = " +|,[]=";
1119 * Backslash characters, being a path delimiter, are prohibited
1120 * within a path component even for LOOKUP operations.
1122 if (strchr(name, '\\') != NULL)
1125 if (nameiop == LOOKUP)
1128 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1130 * Name should conform 8.3 format
1133 return ENAMETOOLONG;
1134 cp = strchr(name, '.');
1137 if (cp == name || (cp - name) > 8)
1139 cp = strchr(cp + 1, '.');
1142 for (cp = name, i = 0; i < nmlen; i++, cp++)
1143 if (strchr(badchars83, *cp) != NULL)
1146 for (cp = name, i = 0; i < nmlen; i++, cp++)
1147 if (strchr(badchars, *cp) != NULL)
1153 * Things go even weird without fixed inode numbers...
1157 struct vop_lookup_args /* {
1158 struct vnodeop_desc *a_desc;
1159 struct vnode *a_dvp;
1160 struct vnode **a_vpp;
1161 struct componentname *a_cnp;
1164 struct componentname *cnp = ap->a_cnp;
1165 struct thread *td = cnp->cn_thread;
1166 struct vnode *dvp = ap->a_dvp;
1167 struct vnode **vpp = ap->a_vpp;
1169 struct smbmount *smp;
1170 struct mount *mp = dvp->v_mount;
1171 struct smbnode *dnp;
1172 struct smbfattr fattr, *fap;
1173 struct smb_cred *scred;
1174 char *name = cnp->cn_nameptr;
1175 int flags = cnp->cn_flags;
1176 int nameiop = cnp->cn_nameiop;
1177 int nmlen = cnp->cn_namelen;
1178 int error, islastcn, isdot;
1182 if (dvp->v_type != VDIR)
1184 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1185 SMBFSERR("invalid '..'\n");
1188 islastcn = flags & ISLASTCN;
1189 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1191 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1193 smp = VFSTOSMBFS(mp);
1195 isdot = (nmlen == 1 && name[0] == '.');
1197 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1202 error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
1203 SMBVDEBUG("cache_lookup returned %d\n", error);
1206 if (error) { /* name was found */
1211 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1213 * If the file type on the server is inconsistent
1214 * with what it was when we created the vnode,
1215 * kill the bogus vnode now and fall through to
1216 * the code below to create a new one with the
1220 ((vp->v_type == VDIR &&
1221 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1222 (vp->v_type == VREG &&
1223 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1226 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1227 if (nameiop != LOOKUP && islastcn)
1228 cnp->cn_flags |= SAVENAME;
1229 SMBVDEBUG("use cached vnode\n");
1234 * XXX This is not quite right, if '.' is
1235 * inconsistent, we really need to start the lookup
1236 * all over again. Hopefully there is some other
1237 * guarantee that prevents this case from happening.
1239 if (killit && vp != dvp)
1248 * entry is not in the cache or has been expired
1252 scred = smbfs_malloc_scred();
1253 smb_makescred(scred, td, cnp->cn_cred);
1255 if (flags & ISDOTDOT) {
1257 * In the DOTDOT case, don't go over-the-wire
1258 * in order to request attributes. We already
1259 * know it's a directory and subsequent call to
1260 * smbfs_getattr() will restore consistency.
1263 SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
1265 error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1266 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1269 error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
1270 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1272 if (error && error != ENOENT)
1274 if (error) { /* entry not found */
1276 * Handle RENAME or CREATE case...
1278 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1279 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1282 cnp->cn_flags |= SAVENAME;
1283 error = EJUSTRETURN;
1289 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1292 * handle DELETE case ...
1294 if (nameiop == DELETE && islastcn) { /* delete last component */
1295 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1303 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1307 cnp->cn_flags |= SAVENAME;
1310 if (nameiop == RENAME && islastcn) {
1311 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1318 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1322 cnp->cn_flags |= SAVENAME;
1325 if (flags & ISDOTDOT) {
1327 error = vfs_busy(mp, MBF_NOWAIT);
1331 error = vfs_busy(mp, 0);
1332 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1338 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1345 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1347 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1348 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1360 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1364 SMBVDEBUG("lookup: getnewvp!\n");
1366 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1367 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1368 cache_enter(dvp, *vpp, cnp);
1371 smbfs_free_scred(scred);