2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2000-2001 Boris Popov
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/namei.h>
33 #include <sys/kernel.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>
46 #include <vm/vm_extern.h>
49 #include <netsmb/smb.h>
50 #include <netsmb/smb_conn.h>
51 #include <netsmb/smb_subr.h>
53 #include <fs/smbfs/smbfs.h>
54 #include <fs/smbfs/smbfs_node.h>
55 #include <fs/smbfs/smbfs_subr.h>
58 * Prototypes for SMBFS vnode operations
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;
84 struct vop_vector smbfs_vnodeops = {
85 .vop_default = &default_vnodeops,
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,
120 struct vop_access_args /* {
123 struct ucred *a_cred;
127 struct vnode *vp = ap->a_vp;
128 accmode_t accmode = ap->a_accmode;
130 struct smbmount *smp = VTOSMBFS(vp);
133 if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
134 switch (vp->v_type) {
135 case VREG: case VDIR: case VLNK:
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));
149 struct vop_open_args /* {
152 struct ucred *a_cred;
156 struct vnode *vp = ap->a_vp;
157 struct smbnode *np = VTOSMB(vp);
158 struct smb_cred *scred;
160 int mode = ap->a_mode;
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);
168 if (vp->v_type == VDIR) {
172 if (np->n_flag & NMODIFIED) {
173 if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
175 smbfs_attr_cacheremove(vp);
176 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
179 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
181 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
184 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
185 error = smbfs_vinvalbuf(vp, ap->a_td);
188 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
191 if ((np->n_flag & NOPEN) != 0)
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.
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);
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);
215 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
217 smbfs_attr_cacheremove(vp);
218 smbfs_free_scred(scred);
224 struct vop_close_args /* {
225 struct vnodeop_desc *a_desc;
228 struct ucred *a_cred;
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;
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);
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 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);
277 SMBVDEBUG("error %d\n", error);
278 smbfs_free_scred(scred);
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);
291 struct vop_setattr_args /* {
294 struct ucred *a_cred;
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;
306 int isreadonly, doclose, error = 0;
310 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
312 * Disallow write attempts if the filesystem is mounted read-only.
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) &&
321 * We only support setting four flags. Don't allow setting others.
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.
328 if (vap->va_flags != VNOVAL) {
329 if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
334 scred = smbfs_malloc_scred();
335 smb_makescred(scred, td, ap->a_cred);
336 if (vap->va_size != VNOVAL) {
337 switch (vp->v_type) {
352 vnode_pager_setsize(vp, (u_long)vap->va_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,
363 error = smbfs_smb_setfsize(np,
364 (int64_t)vap->va_size, scred);
366 smbfs_smb_close(ssp, np->n_fid, NULL, scred);
369 vnode_pager_setsize(vp, (u_long)tsize);
373 if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
374 old_n_dosattr = np->n_dosattr;
376 if (vap->va_mode != (mode_t)VNOVAL) {
377 if (vap->va_mode & S_IWUSR)
378 np->n_dosattr &= ~SMB_FA_RDONLY;
380 np->n_dosattr |= SMB_FA_RDONLY;
383 if (vap->va_flags != VNOVAL) {
384 if (vap->va_flags & UF_HIDDEN)
385 np->n_dosattr |= SMB_FA_HIDDEN;
387 np->n_dosattr &= ~SMB_FA_HIDDEN;
389 if (vap->va_flags & UF_SYSTEM)
390 np->n_dosattr |= SMB_FA_SYSTEM;
392 np->n_dosattr &= ~SMB_FA_SYSTEM;
394 if (vap->va_flags & UF_ARCHIVE)
395 np->n_dosattr |= SMB_FA_ARCHIVE;
397 np->n_dosattr &= ~SMB_FA_ARCHIVE;
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.
406 if (vp->v_type == VREG) {
407 if (vap->va_flags & UF_READONLY)
408 np->n_dosattr |= SMB_FA_RDONLY;
410 np->n_dosattr &= ~SMB_FA_RDONLY;
414 if (np->n_dosattr != old_n_dosattr) {
415 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
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);
429 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
431 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
434 mtime = &np->n_mtime;
436 atime = &np->n_atime;
439 * If file is opened, then we can use handle based calls.
440 * If not, use path based ones.
442 if ((np->n_flag & NOPEN) == 0) {
443 if (vcp->vc_flags & SMBV_WIN95) {
444 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
447 /* error = smbfs_smb_setfattrNT(np, 0,
448 mtime, atime, scred);
449 VOP_GETATTR(vp, &vattr, ap->a_cred); */
451 np->n_mtime = *mtime;
452 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
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);
460 error = smbfs_smb_setpattr(np, 0, mtime, scred);
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);
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.
473 SMBERROR("can't update times on an opened file\n");
478 * Invalidate attribute cache in case if server doesn't set
479 * required attributes.
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;
485 smbfs_free_scred(scred);
493 struct vop_read_args /* {
497 struct ucred *a_cred;
500 struct vnode *vp = ap->a_vp;
501 struct uio *uio = ap->a_uio;
504 if (vp->v_type != VREG && vp->v_type != VDIR)
506 return smbfs_readvnode(vp, uio, ap->a_cred);
511 struct vop_write_args /* {
515 struct ucred *a_cred;
518 struct vnode *vp = ap->a_vp;
519 struct uio *uio = ap->a_uio;
521 SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset,
523 if (vp->v_type != VREG)
525 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
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.
536 struct vop_create_args /* {
538 struct vnode **a_vpp;
539 struct componentname *a_cnp;
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);
550 struct smbfattr fattr;
551 struct smb_cred *scred;
552 char *name = cnp->cn_nameptr;
553 int nmlen = cnp->cn_namelen;
559 if (vap->va_type != VREG)
561 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
563 scred = smbfs_malloc_scred();
564 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
566 error = smbfs_smb_create(dnp, name, nmlen, scred);
569 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, scred);
572 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
576 if (cnp->cn_flags & MAKEENTRY)
577 cache_enter(dvp, vp, cnp);
579 smbfs_free_scred(scred);
585 struct vop_remove_args /* {
586 struct vnodeop_desc *a_desc;
587 struct vnode * a_dvp;
589 struct componentname * a_cnp;
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;
599 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
601 scred = smbfs_malloc_scred();
602 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
603 error = smbfs_smb_delete(np, scred);
607 smbfs_free_scred(scred);
612 * smbfs_file rename call
616 struct vop_rename_args /* {
617 struct vnode *a_fdvp;
619 struct componentname *a_fcnp;
620 struct vnode *a_tdvp;
622 struct componentname *a_tcnp;
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;
636 /* Check for cross-device rename */
637 if ((fvp->v_mount != tdvp->v_mount) ||
638 (tvp && (fvp->v_mount != tvp->v_mount))) {
643 if (tvp && vrefcnt(tvp) > 1) {
647 flags = 0x10; /* verify all writes */
648 if (fvp->v_type == VDIR) {
650 } else if (fvp->v_type == VREG) {
655 scred = smbfs_malloc_scred();
656 smb_makescred(scred, tcnp->cn_thread, tcnp->cn_cred);
658 * It seems that Samba doesn't implement SMB_COM_MOVE call...
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);
668 * We have to do the work atomicaly
670 if (tvp && tvp != fvp) {
671 error = smbfs_smb_delete(VTOSMB(tvp), scred);
674 VTOSMB(fvp)->n_flag |= NGONE;
676 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
677 tcnp->cn_nameptr, tcnp->cn_namelen, scred);
680 if (fvp->v_type == VDIR) {
681 if (tvp != NULL && tvp->v_type == VDIR)
687 smbfs_attr_cacheremove(fdvp);
688 smbfs_attr_cacheremove(tdvp);
690 smbfs_free_scred(scred);
699 #ifdef possible_mistake
708 * somtime it will come true...
712 struct vop_link_args /* {
713 struct vnode *a_tdvp;
715 struct componentname *a_cnp;
722 * smbfs_symlink link create call.
723 * Sometime it will be functional...
727 struct vop_symlink_args /* {
729 struct vnode **a_vpp;
730 struct componentname *a_cnp;
740 struct vop_mknod_args /* {
748 struct vop_mkdir_args /* {
750 struct vnode **a_vpp;
751 struct componentname *a_cnp;
755 struct vnode *dvp = ap->a_dvp;
756 /* struct vattr *vap = ap->a_vap;*/
758 struct componentname *cnp = ap->a_cnp;
759 struct smbnode *dnp = VTOSMB(dvp);
761 struct smb_cred *scred;
762 struct smbfattr fattr;
763 char *name = cnp->cn_nameptr;
764 int len = cnp->cn_namelen;
767 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
770 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
772 scred = smbfs_malloc_scred();
773 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
774 error = smbfs_smb_mkdir(dnp, name, len, scred);
777 error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
780 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
785 smbfs_free_scred(scred);
790 * smbfs_remove directory call
794 struct vop_rmdir_args /* {
797 struct componentname *a_cnp;
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;
812 scred = smbfs_malloc_scred();
813 smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
814 error = smbfs_smb_rmdir(np, scred);
817 dnp->n_flag |= NMODIFIED;
818 smbfs_attr_cacheremove(dvp);
819 /* cache_purge(dvp);*/
821 smbfs_free_scred(scred);
830 struct vop_readdir_args /* {
833 struct ucred *a_cred;
839 struct vnode *vp = ap->a_vp;
840 struct uio *uio = ap->a_uio;
843 if (vp->v_type != VDIR)
846 if (ap->a_ncookies) {
847 printf("smbfs_readdir: no support for cookies now...");
851 error = smbfs_readvnode(vp, uio, ap->a_cred);
858 struct vop_fsync_args /* {
859 struct vnodeop_desc *a_desc;
861 struct ucred * a_cred;
863 struct thread * a_td;
866 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
872 struct vop_print_args /* {
876 struct vnode *vp = ap->a_vp;
877 struct smbnode *np = VTOSMB(vp);
880 printf("no smbnode data\n");
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);
890 struct vop_pathconf_args /* {
896 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
897 struct smb_vc *vcp = SSTOVC(smp->sm_share);
898 long *retval = ap->a_retval;
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))
910 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
913 *retval = 800; /* XXX: a correct one ? */
919 error = vop_stdpathconf(ap);
926 struct vop_strategy_args /* {
930 struct buf *bp=ap->a_bp;
935 if (bp->b_flags & B_ASYNC)
936 td = (struct thread *)0;
938 td = curthread; /* XXX */
939 if (bp->b_iocmd == BIO_READ)
944 if ((bp->b_flags & B_ASYNC) == 0 )
945 (void)smbfs_doio(ap->a_vp, bp, cr, td);
951 struct vop_ioctl_args /* {
963 static char smbfs_atl[] = "rhsvda";
965 smbfs_getextattr(struct vop_getextattr_args *ap)
967 IN struct vnode *a_vp;
969 INOUT struct uio *a_uio;
970 IN struct ucred *a_cred;
971 IN struct thread *a_td;
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);
985 error = VOP_ACCESS(vp, VREAD, cred, td);
988 error = VOP_GETATTR(vp, &vattr, cred);
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] : '-';
996 error = uiomove(buf, i, uio);
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.
1010 struct vop_advlock_args /* {
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;
1026 off_t start, end, oadd;
1029 if (vp->v_type == VDIR) {
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
1040 switch (fl->l_whence) {
1044 start = fl->l_start;
1048 if (size > OFF_MAX ||
1049 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
1051 start = size + fl->l_start;
1059 if (fl->l_len < 0) {
1066 } else if (fl->l_len == 0)
1069 oadd = fl->l_len - 1;
1070 if (oadd > OFF_MAX - start)
1074 scred = smbfs_malloc_scred();
1075 smb_makescred(scred, td, td->td_ucred);
1078 switch (fl->l_type) {
1080 lkop = SMB_LOCK_EXCL;
1083 lkop = SMB_LOCK_SHARED;
1086 lkop = SMB_LOCK_RELEASE;
1089 smbfs_free_scred(scred);
1092 error = lf_advlock(ap, &vp->v_lockf, size);
1095 lkop = SMB_LOCK_EXCL;
1096 error = smbfs_smb_lock(np, lkop, id, start, end, scred);
1098 int oldtype = fl->l_type;
1099 fl->l_type = F_UNLCK;
1101 lf_advlock(ap, &vp->v_lockf, size);
1102 fl->l_type = oldtype;
1106 lf_advlock(ap, &vp->v_lockf, size);
1107 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
1110 error = lf_advlock(ap, &vp->v_lockf, size);
1113 smbfs_free_scred(scred);
1116 smbfs_free_scred(scred);
1121 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1123 static const char *badchars = "*/:<>;?";
1124 static const char *badchars83 = " +|,[]=";
1129 * Backslash characters, being a path delimiter, are prohibited
1130 * within a path component even for LOOKUP operations.
1132 if (strchr(name, '\\') != NULL)
1135 if (nameiop == LOOKUP)
1138 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1140 * Name should conform 8.3 format
1143 return ENAMETOOLONG;
1144 cp = strchr(name, '.');
1147 if (cp == name || (cp - name) > 8)
1149 cp = strchr(cp + 1, '.');
1152 for (cp = name, i = 0; i < nmlen; i++, cp++)
1153 if (strchr(badchars83, *cp) != NULL)
1156 for (cp = name, i = 0; i < nmlen; i++, cp++)
1157 if (strchr(badchars, *cp) != NULL)
1163 * Things go even weird without fixed inode numbers...
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;
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;
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;
1192 if (dvp->v_type != VDIR)
1194 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1195 SMBFSERR("invalid '..'\n");
1198 islastcn = flags & ISLASTCN;
1199 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1201 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1203 smp = VFSTOSMBFS(mp);
1205 isdot = (nmlen == 1 && name[0] == '.');
1207 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1212 error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
1213 SMBVDEBUG("cache_lookup returned %d\n", error);
1216 if (error) { /* name was found */
1221 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1223 * If the file type on the server is inconsistent
1224 * with what it was when we created the vnode,
1225 * kill the bogus vnode now and fall through to
1226 * the code below to create a new one with the
1230 ((vp->v_type == VDIR &&
1231 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1232 (vp->v_type == VREG &&
1233 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1236 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1237 if (nameiop != LOOKUP && islastcn)
1238 cnp->cn_flags |= SAVENAME;
1239 SMBVDEBUG("use cached vnode\n");
1244 * XXX This is not quite right, if '.' is
1245 * inconsistent, we really need to start the lookup
1246 * all over again. Hopefully there is some other
1247 * guarantee that prevents this case from happening.
1249 if (killit && vp != dvp)
1258 * entry is not in the cache or has been expired
1262 scred = smbfs_malloc_scred();
1263 smb_makescred(scred, td, cnp->cn_cred);
1265 if (flags & ISDOTDOT) {
1267 * In the DOTDOT case, don't go over-the-wire
1268 * in order to request attributes. We already
1269 * know it's a directory and subsequent call to
1270 * smbfs_getattr() will restore consistency.
1273 SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
1275 error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1276 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1279 error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
1280 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1282 if (error && error != ENOENT)
1284 if (error) { /* entry not found */
1286 * Handle RENAME or CREATE case...
1288 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1289 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1292 cnp->cn_flags |= SAVENAME;
1293 error = EJUSTRETURN;
1299 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1302 * handle DELETE case ...
1304 if (nameiop == DELETE && islastcn) { /* delete last component */
1305 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1313 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1317 cnp->cn_flags |= SAVENAME;
1320 if (nameiop == RENAME && islastcn) {
1321 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1328 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1332 cnp->cn_flags |= SAVENAME;
1335 if (flags & ISDOTDOT) {
1337 error = vfs_busy(mp, MBF_NOWAIT);
1341 error = vfs_busy(mp, 0);
1342 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1348 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1355 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1357 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1358 if ((dvp->v_iflag & VI_DOOMED) != 0) {
1370 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1374 SMBVDEBUG("lookup: getnewvp!\n");
1376 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1377 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1378 cache_enter(dvp, *vpp, cnp);
1381 smbfs_free_scred(scred);