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
32 * $FreeBSD: src/sys/fs/smbfs/smbfs_vnops.c,v 1.2.2.8 2003/04/04 08:57:23 tjr Exp $
33 * $DragonFly: src/sys/vfs/smbfs/smbfs_vnops.c,v 1.41 2007/11/20 21:03:50 dillon Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
40 #include <sys/namei.h>
41 #include <sys/fcntl.h>
42 #include <sys/mount.h>
43 #include <sys/unistd.h>
44 #include <sys/vnode.h>
45 #include <sys/lockf.h>
48 #include <vm/vm_extern.h>
49 #include <vm/vm_zone.h>
52 #include <netproto/smb/smb.h>
53 #include <netproto/smb/smb_conn.h>
54 #include <netproto/smb/smb_subr.h>
57 #include "smbfs_node.h"
58 #include "smbfs_subr.h"
63 * Prototypes for SMBFS vnode operations
65 static int smbfs_create(struct vop_old_create_args *);
66 static int smbfs_mknod(struct vop_old_mknod_args *);
67 static int smbfs_open(struct vop_open_args *);
68 static int smbfs_closel(struct vop_close_args *);
69 static int smbfs_access(struct vop_access_args *);
70 static int smbfs_getattr(struct vop_getattr_args *);
71 static int smbfs_setattr(struct vop_setattr_args *);
72 static int smbfs_read(struct vop_read_args *);
73 static int smbfs_write(struct vop_write_args *);
74 static int smbfs_fsync(struct vop_fsync_args *);
75 static int smbfs_remove(struct vop_old_remove_args *);
76 static int smbfs_link(struct vop_old_link_args *);
77 static int smbfs_lookup(struct vop_old_lookup_args *);
78 static int smbfs_rename(struct vop_old_rename_args *);
79 static int smbfs_mkdir(struct vop_old_mkdir_args *);
80 static int smbfs_rmdir(struct vop_old_rmdir_args *);
81 static int smbfs_symlink(struct vop_old_symlink_args *);
82 static int smbfs_readdir(struct vop_readdir_args *);
83 static int smbfs_bmap(struct vop_bmap_args *);
84 static int smbfs_strategy(struct vop_strategy_args *);
85 static int smbfs_print(struct vop_print_args *);
86 static int smbfs_pathconf(struct vop_pathconf_args *ap);
87 static int smbfs_advlock(struct vop_advlock_args *);
88 static int smbfs_getextattr(struct vop_getextattr_args *ap);
90 struct vop_ops smbfs_vnode_vops = {
91 .vop_default = vop_defaultop,
92 .vop_access = smbfs_access,
93 .vop_advlock = smbfs_advlock,
94 .vop_bmap = smbfs_bmap,
95 .vop_close = smbfs_closel,
96 .vop_old_create = smbfs_create,
97 .vop_fsync = smbfs_fsync,
98 .vop_getattr = smbfs_getattr,
99 .vop_getpages = smbfs_getpages,
100 .vop_inactive = smbfs_inactive,
101 .vop_ioctl = smbfs_ioctl,
102 .vop_old_link = smbfs_link,
103 .vop_old_lookup = smbfs_lookup,
104 .vop_old_mkdir = smbfs_mkdir,
105 .vop_old_mknod = smbfs_mknod,
106 .vop_open = smbfs_open,
107 .vop_pathconf = smbfs_pathconf,
108 .vop_print = smbfs_print,
109 .vop_putpages = smbfs_putpages,
110 .vop_read = smbfs_read,
111 .vop_readdir = smbfs_readdir,
112 .vop_reclaim = smbfs_reclaim,
113 .vop_old_remove = smbfs_remove,
114 .vop_old_rename = smbfs_rename,
115 .vop_old_rmdir = smbfs_rmdir,
116 .vop_setattr = smbfs_setattr,
117 .vop_strategy = smbfs_strategy,
118 .vop_old_symlink = smbfs_symlink,
119 .vop_write = smbfs_write,
120 .vop_getextattr = smbfs_getextattr
121 /* .vop_setextattr = smbfs_setextattr */
125 * smbfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred)
128 smbfs_access(struct vop_access_args *ap)
130 struct vnode *vp = ap->a_vp;
131 struct ucred *cred = ap->a_cred;
132 u_int mode = ap->a_mode;
133 struct smbmount *smp = VTOSMBFS(vp);
137 if ((mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
138 switch (vp->v_type) {
139 case VREG: case VDIR: case VLNK:
145 if (cred->cr_uid == 0)
147 if (cred->cr_uid != smp->sm_args.uid) {
149 if (!groupmember(smp->sm_args.gid, cred))
151 } else if (mode & VOWN) {
154 error = (((vp->v_type == VREG) ? smp->sm_args.file_mode : smp->sm_args.dir_mode) & mode) == mode ? 0 : EACCES;
159 * smbfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
164 smbfs_open(struct vop_open_args *ap)
166 struct vnode *vp = ap->a_vp;
167 struct smbnode *np = VTOSMB(vp);
168 struct smb_cred scred;
170 int mode = ap->a_mode;
173 SMBVDEBUG("%s,%d\n", np->n_name, np->n_opencount);
174 if (vp->v_type != VREG && vp->v_type != VDIR) {
175 SMBFSERR("open eacces vtype=%d\n", vp->v_type);
178 if (vp->v_type == VDIR) {
179 if (np->n_opencount == 0)
180 np->n_cached_cred = crhold(ap->a_cred);
182 return (vop_stdopen(ap));
184 if (np->n_flag & NMODIFIED) {
185 if ((error = smbfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
187 smbfs_attr_cacheremove(vp);
188 error = VOP_GETATTR(vp, &vattr);
191 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
193 error = VOP_GETATTR(vp, &vattr);
196 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
197 error = smbfs_vinvalbuf(vp, V_SAVE, 1);
200 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
203 if (np->n_opencount) {
205 return (vop_stdopen(ap));
207 accmode = SMB_AM_OPENREAD;
208 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
209 accmode = SMB_AM_OPENRW;
210 smb_makescred(&scred, curthread, ap->a_cred);
211 error = smbfs_smb_open(np, accmode, &scred);
215 accmode = SMB_AM_OPENREAD;
216 error = smbfs_smb_open(np, accmode, &scred);
219 np->n_cached_cred = crhold(ap->a_cred);
222 smbfs_attr_cacheremove(vp);
229 smbfs_closel(struct vop_close_args *ap)
231 struct vnode *vp = ap->a_vp;
232 struct smbnode *np = VTOSMB(vp);
233 struct smb_cred scred;
237 SMBVDEBUG("name=%s, pid=%d, c=%d\n",np->n_name, p->p_pid, np->n_opencount);
239 smb_makescred(&scred, curthread, proc0.p_ucred);
242 if (np->n_opencount == 0) {
243 if (vp->v_type != VDIR)
244 SMBERROR("Negative opencount\n");
248 if (vp->v_type == VDIR) {
252 smbfs_findclose(np->n_dirseq, &scred);
256 error = smbfs_vinvalbuf(vp, V_SAVE, 1);
259 VOP_GETATTR(vp, &vattr);
260 error = smbfs_smb_close(np->n_mount->sm_share, np->n_fid,
261 &np->n_mtime, &scred);
263 crfree(np->n_cached_cred);
264 np->n_cached_cred = NULL;
265 smbfs_attr_cacheremove(vp);
272 * smbfs_getattr call from vfs.
274 * smbfs_getattr(struct vnode *a_vp, struct vattr *a_vap)
277 smbfs_getattr(struct vop_getattr_args *ap)
279 struct vnode *vp = ap->a_vp;
280 struct smbnode *np = VTOSMB(vp);
281 struct vattr *va=ap->a_vap;
282 struct smbfattr fattr;
283 struct smb_cred scred;
287 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_flag & VROOT) != 0);
288 error = smbfs_attr_cachelookup(vp, va);
291 SMBVDEBUG("not in the cache\n");
292 smb_makescred(&scred, curthread, proc0.p_ucred);
293 oldsize = np->n_size;
294 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred);
296 SMBVDEBUG("error %d\n", error);
299 smbfs_attr_cacheenter(vp, &fattr);
300 smbfs_attr_cachelookup(vp, va);
302 np->n_size = oldsize;
307 * smbfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred)
310 smbfs_setattr(struct vop_setattr_args *ap)
312 struct vnode *vp = ap->a_vp;
313 struct smbnode *np = VTOSMB(vp);
314 struct vattr *vap = ap->a_vap;
315 struct timespec *mtime, *atime;
316 struct smb_cred scred;
317 struct smb_share *ssp = np->n_mount->sm_share;
318 struct smb_vc *vcp = SSTOVC(ssp);
320 int isreadonly, doclose, error = 0;
323 if (vap->va_flags != VNOVAL)
325 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
327 * Disallow write attempts if the filesystem is mounted read-only.
329 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
330 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
331 vap->va_mode != (mode_t)VNOVAL) && isreadonly)
333 smb_makescred(&scred, curthread, ap->a_cred);
334 if (vap->va_size != VNOVAL) {
335 switch (vp->v_type) {
346 vnode_pager_setsize(vp, (u_long)vap->va_size);
348 np->n_size = vap->va_size;
349 if (np->n_opencount == 0) {
350 error = smbfs_smb_open(np, SMB_AM_OPENRW, &scred);
355 error = smbfs_smb_setfsize(np, vap->va_size, &scred);
357 smbfs_smb_close(ssp, np->n_fid, NULL, &scred);
360 vnode_pager_setsize(vp, (u_long)tsize);
364 mtime = atime = NULL;
365 if (vap->va_mtime.tv_sec != VNOVAL)
366 mtime = &vap->va_mtime;
367 if (vap->va_atime.tv_sec != VNOVAL)
368 atime = &vap->va_atime;
369 if (mtime != atime) {
370 if (ap->a_cred->cr_uid != VTOSMBFS(vp)->sm_args.uid &&
371 (error = priv_check_cred(ap->a_cred, PRIV_ROOT, PRISON_ROOT)) &&
372 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
373 (error = VOP_ACCESS(vp, VWRITE, ap->a_cred))))
377 mtime = &np->n_mtime;
379 atime = &np->n_atime;
382 * If file is opened, then we can use handle based calls.
383 * If not, use path based ones.
385 if (np->n_opencount == 0) {
386 if (vcp->vc_flags & SMBV_WIN95) {
387 error = VOP_OPEN(vp, FWRITE, ap->a_cred, NULL);
389 /* error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
390 VOP_GETATTR(vp, &vattr);*/
392 np->n_mtime = *mtime;
393 VOP_CLOSE(vp, FWRITE);
395 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
396 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
397 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/
398 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
399 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
401 error = smbfs_smb_setpattr(np, 0, mtime, &scred);
404 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
405 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
406 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
407 error = smbfs_smb_setftime(np, mtime, atime, &scred);
410 * I have no idea how to handle this for core
411 * level servers. The possible solution is to
412 * update mtime after file is closed.
414 SMBERROR("can't update times on an opened file\n");
419 * Invalidate attribute cache in case if server doesn't set
420 * required attributes.
422 smbfs_attr_cacheremove(vp); /* invalidate cache */
423 VOP_GETATTR(vp, vap);
424 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
430 * smbfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
431 * struct ucred *a_cred)
434 smbfs_read(struct vop_read_args *ap)
436 struct vnode *vp = ap->a_vp;
437 struct uio *uio = ap->a_uio;
440 if (vp->v_type != VREG && vp->v_type != VDIR)
442 return smbfs_readvnode(vp, uio, ap->a_cred);
446 * smbfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
447 * struct ucred *a_cred)
450 smbfs_write(struct vop_write_args *ap)
452 struct vnode *vp = ap->a_vp;
453 struct uio *uio = ap->a_uio;
455 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
456 if (vp->v_type != VREG)
458 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
462 * Create a regular file. On entry the directory to contain the file being
463 * created is locked. We must release before we return.
465 * smbfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
466 * struct componentname *a_cnp, struct vattr *a_vap)
469 smbfs_create(struct vop_old_create_args *ap)
471 struct vnode *dvp = ap->a_dvp;
472 struct vattr *vap = ap->a_vap;
473 struct vnode **vpp=ap->a_vpp;
474 struct componentname *cnp = ap->a_cnp;
475 struct smbnode *dnp = VTOSMB(dvp);
478 struct smbfattr fattr;
479 struct smb_cred scred;
480 char *name = cnp->cn_nameptr;
481 int nmlen = cnp->cn_namelen;
487 if (vap->va_type != VREG)
489 if ((error = VOP_GETATTR(dvp, &vattr)))
491 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
493 error = smbfs_smb_create(dnp, name, nmlen, &scred);
496 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred);
499 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
507 * smbfs_remove(struct vnode *a_dvp, struct vnode *a_vp,
508 * struct componentname *a_cnp)
511 smbfs_remove(struct vop_old_remove_args *ap)
513 struct vnode *vp = ap->a_vp;
514 /* struct vnode *dvp = ap->a_dvp;*/
515 struct componentname *cnp = ap->a_cnp;
516 struct smbnode *np = VTOSMB(vp);
517 struct smb_cred scred;
520 if (vp->v_type == VDIR || np->n_opencount || vp->v_sysref.refcnt > 1)
522 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
523 error = smbfs_smb_delete(np, &scred);
528 * smbfs_file rename call
530 * smbfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
531 * struct componentname *a_fcnp, struct vnode *a_tdvp,
532 * struct vnode *a_tvp, struct componentname *a_tcnp)
535 smbfs_rename(struct vop_old_rename_args *ap)
537 struct vnode *fvp = ap->a_fvp;
538 struct vnode *tvp = ap->a_tvp;
539 struct vnode *fdvp = ap->a_fdvp;
540 struct vnode *tdvp = ap->a_tdvp;
541 struct componentname *tcnp = ap->a_tcnp;
542 /* struct componentname *fcnp = ap->a_fcnp;*/
543 struct smb_cred scred;
547 /* Check for cross-device rename */
548 if ((fvp->v_mount != tdvp->v_mount) ||
549 (tvp && (fvp->v_mount != tvp->v_mount))) {
554 if (tvp && tvp->v_sysref.refcnt > 1) {
558 flags = 0x10; /* verify all writes */
559 if (fvp->v_type == VDIR) {
561 } else if (fvp->v_type == VREG) {
567 smb_makescred(&scred, tcnp->cn_td, tcnp->cn_cred);
569 * It seems that Samba doesn't implement SMB_COM_MOVE call...
572 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
573 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
574 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred);
579 * We have to do the work atomicaly
581 if (tvp && tvp != fvp) {
582 error = smbfs_smb_delete(VTOSMB(tvp), &scred);
586 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
587 tcnp->cn_nameptr, tcnp->cn_namelen, &scred);
591 smbfs_attr_cacheremove(fdvp);
592 smbfs_attr_cacheremove(tdvp);
602 #ifdef possible_mistake
612 * somtime it will come true...
614 * smbfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
615 * struct componentname *a_cnp)
618 smbfs_link(struct vop_old_link_args *ap)
624 * smbfs_symlink link create call.
625 * Sometime it will be functional...
627 * smbfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
628 * struct componentname *a_cnp, struct vattr *a_vap,
632 smbfs_symlink(struct vop_old_symlink_args *ap)
638 smbfs_mknod(struct vop_old_mknod_args *ap)
644 * smbfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
645 * struct componentname *a_cnp, struct vattr *a_vap)
648 smbfs_mkdir(struct vop_old_mkdir_args *ap)
650 struct vnode *dvp = ap->a_dvp;
651 /* struct vattr *vap = ap->a_vap;*/
653 struct componentname *cnp = ap->a_cnp;
654 struct smbnode *dnp = VTOSMB(dvp);
656 struct smb_cred scred;
657 struct smbfattr fattr;
658 char *name = cnp->cn_nameptr;
659 int len = cnp->cn_namelen;
662 if ((error = VOP_GETATTR(dvp, &vattr))) {
665 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
667 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
668 error = smbfs_smb_mkdir(dnp, name, len, &scred);
671 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred);
674 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
682 * smbfs_remove directory call
684 * smbfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
685 * struct componentname *a_cnp)
688 smbfs_rmdir(struct vop_old_rmdir_args *ap)
690 struct vnode *vp = ap->a_vp;
691 struct vnode *dvp = ap->a_dvp;
692 struct componentname *cnp = ap->a_cnp;
693 /* struct smbmount *smp = VTOSMBFS(vp);*/
694 struct smbnode *dnp = VTOSMB(dvp);
695 struct smbnode *np = VTOSMB(vp);
696 struct smb_cred scred;
702 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
703 error = smbfs_smb_rmdir(np, &scred);
704 dnp->n_flag |= NMODIFIED;
705 smbfs_attr_cacheremove(dvp);
712 * smbfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
713 * int *a_eofflag, off_t *a_cookies, int a_ncookies)
716 smbfs_readdir(struct vop_readdir_args *ap)
718 struct vnode *vp = ap->a_vp;
719 struct uio *uio = ap->a_uio;
722 if (vp->v_type != VDIR)
725 if (ap->a_ncookies) {
726 kprintf("smbfs_readdir: no support for cookies now...");
730 if ((error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY)) == 0) {
731 error = smbfs_readvnode(vp, uio, ap->a_cred);
738 * smbfs_fsync(struct vnode *a_vp, int a_waitfor)
742 smbfs_fsync(struct vop_fsync_args *ap)
744 /* return (smb_flush(ap->a_vp, ap->a_waitfor, curthread, 1));*/
749 * smbfs_print(struct vnode *a_vp)
752 smbfs_print(struct vop_print_args *ap)
754 struct vnode *vp = ap->a_vp;
755 struct smbnode *np = VTOSMB(vp);
758 kprintf("no smbnode data\n");
761 kprintf("tag VT_SMBFS, name = %s, parent = %p, opencount = %d",
762 np->n_name, np->n_parent ? np->n_parent : NULL,
764 lockmgr_printinfo(&vp->v_lock);
770 * smbfs_pathconf(struct vnode *vp, int name, register_t *retval)
773 smbfs_pathconf(struct vop_pathconf_args *ap)
775 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
776 struct smb_vc *vcp = SSTOVC(smp->sm_share);
777 register_t *retval = ap->a_retval;
780 switch (ap->a_name) {
785 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
788 *retval = 800; /* XXX: a correct one ? */
797 * smbfs_strategy(struct vnode *a_vp, struct bio *a_bio)
800 smbfs_strategy(struct vop_strategy_args *ap)
802 struct bio *bio = ap->a_bio;
803 struct buf *bp = bio->bio_buf;
804 struct thread *td = NULL;
808 if ((bp->b_flags & B_ASYNC) == 0)
809 td = curthread; /* XXX */
811 if ((bp->b_flags & B_ASYNC) == 0 )
812 error = smbfs_doio(ap->a_vp, bio, proc0.p_ucred, td);
817 * smbfs_bmap(struct vnode *a_vp, off_t a_loffset,
818 * off_t *a_doffsetp, int *a_runp, int *a_runb)
821 smbfs_bmap(struct vop_bmap_args *ap)
823 if (ap->a_doffsetp != NULL)
824 *ap->a_doffsetp = ap->a_loffset;
825 if (ap->a_runp != NULL)
827 if (ap->a_runb != NULL)
833 * smbfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
834 * int fflag, struct ucred *cred, struct proc *p)
837 smbfs_ioctl(struct vop_ioctl_args *ap)
842 static char smbfs_atl[] = "rhsvda";
845 * smbfs_getextattr(struct vnode *a_vp, char *a_name, struct uio *a_uio,
846 * struct ucred *a_cred)
849 smbfs_getextattr(struct vop_getextattr_args *ap)
851 struct vnode *vp = ap->a_vp;
852 struct ucred *cred = ap->a_cred;
853 struct uio *uio = ap->a_uio;
854 const char *name = ap->a_name;
855 struct smbnode *np = VTOSMB(vp);
860 error = VOP_ACCESS(vp, VREAD, cred);
863 error = VOP_GETATTR(vp, &vattr);
866 if (strcmp(name, "dosattr") == 0) {
867 attr = np->n_dosattr;
868 for (i = 0; i < 6; i++, attr >>= 1)
869 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
871 error = uiomove(buf, i, uio);
879 * Since we expected to support F_GETLK (and SMB protocol has no such function),
880 * it is necessary to use lf_advlock(). It would be nice if this function had
881 * a callback mechanism because it will help to improve a level of consistency.
883 * smbfs_advlock(struct vnode *a_vp, caddr_t a_id, int a_op,
884 * struct flock *a_fl, int a_flags)
887 smbfs_advlock(struct vop_advlock_args *ap)
889 struct vnode *vp = ap->a_vp;
890 struct smbnode *np = VTOSMB(vp);
891 struct flock *fl = ap->a_fl;
892 caddr_t id = (caddr_t)1 /* ap->a_id */;
893 /* int flags = ap->a_flags;*/
894 struct thread *td = curthread; /* XXX */
895 struct smb_cred scred;
896 off_t start, end, size;
899 if (vp->v_type == VDIR) {
901 * SMB protocol have no support for directory locking.
902 * Although locks can be processed on local machine, I don't
903 * think that this is a good idea, because some programs
904 * can work wrong assuming directory is locked. So, we just
905 * return 'operation not supported
910 switch (fl->l_whence) {
916 start = fl->l_start + size;
925 end = start + fl->l_len - 1;
929 smb_makescred(&scred, td, td->td_proc ? td->td_proc->p_ucred : NULL);
932 switch (fl->l_type) {
934 lkop = SMB_LOCK_EXCL;
937 lkop = SMB_LOCK_SHARED;
940 lkop = SMB_LOCK_RELEASE;
945 error = lf_advlock(ap, &np->n_lockf, size);
948 lkop = SMB_LOCK_EXCL;
949 error = smbfs_smb_lock(np, lkop, id, start, end, &scred);
952 lf_advlock(ap, &np->n_lockf, size);
956 lf_advlock(ap, &np->n_lockf, size);
957 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred);
960 error = lf_advlock(ap, &np->n_lockf, size);
969 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
971 static const char *badchars = "*/:<>;?";
972 static const char *badchars83 = " +|,";
977 * Backslash characters, being a path delimiter, are prohibited
978 * within a path component even for LOOKUP operations.
980 if (index(name, '\\') != NULL)
983 if (nameiop == NAMEI_LOOKUP)
986 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
988 * Name should conform 8.3 format
992 cp = index(name, '.');
995 if (cp == name || (cp - name) > 8)
997 cp = index(cp + 1, '.');
1000 for (cp = name, i = 0; i < nmlen; i++, cp++)
1001 if (index(badchars83, *cp) != NULL)
1004 for (cp = name, i = 0; i < nmlen; i++, cp++)
1005 if (index(badchars, *cp) != NULL)
1011 * Things go even weird without fixed inode numbers...
1013 * smbfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
1014 * struct componentname *a_cnp)
1017 smbfs_lookup(struct vop_old_lookup_args *ap)
1019 struct componentname *cnp = ap->a_cnp;
1020 struct thread *td = cnp->cn_td;
1021 struct vnode *dvp = ap->a_dvp;
1022 struct vnode **vpp = ap->a_vpp;
1024 struct smbmount *smp;
1025 struct mount *mp = dvp->v_mount;
1026 struct smbnode *dnp;
1027 struct smbfattr fattr, *fap;
1028 struct smb_cred scred;
1029 char *name = cnp->cn_nameptr;
1030 int flags = cnp->cn_flags;
1031 int nameiop = cnp->cn_nameiop;
1032 int nmlen = cnp->cn_namelen;
1033 int lockparent, wantparent, error, isdot;
1036 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1038 if (dvp->v_type != VDIR)
1040 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
1041 SMBFSERR("invalid '..'\n");
1044 #ifdef SMB_VNODE_DEBUG
1051 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name,
1052 VTOSMB(dvp)->n_name);
1056 if ((mp->mnt_flag & MNT_RDONLY) && nameiop != NAMEI_LOOKUP)
1058 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred)) != 0)
1060 lockparent = flags & CNP_LOCKPARENT;
1061 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1062 smp = VFSTOSMBFS(mp);
1064 isdot = (nmlen == 1 && name[0] == '.');
1066 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1072 smb_makescred(&scred, td, cnp->cn_cred);
1074 if (flags & CNP_ISDOTDOT) {
1075 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1077 SMBVDEBUG("result of dotdot lookup: %d\n", error);
1080 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred);
1081 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/
1082 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1084 if (error && error != ENOENT)
1086 if (error) { /* entry not found */
1088 * Handle RENAME or CREATE case...
1090 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent) {
1091 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
1096 cnp->cn_flags |= CNP_PDIRUNLOCK;
1098 return (EJUSTRETURN);
1102 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1105 * handle DELETE case ...
1107 if (nameiop == NAMEI_DELETE) { /* delete last component */
1108 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
1116 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1122 cnp->cn_flags |= CNP_PDIRUNLOCK;
1126 if (nameiop == NAMEI_RENAME && wantparent) {
1127 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
1132 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1138 cnp->cn_flags |= CNP_PDIRUNLOCK;
1142 if (flags & CNP_ISDOTDOT) {
1144 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1146 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1150 error = vn_lock(dvp, LK_EXCLUSIVE);
1152 cnp->cn_flags |= CNP_PDIRUNLOCK;
1162 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1166 SMBVDEBUG("lookup: getnewvp!\n");
1169 cnp->cn_flags |= CNP_PDIRUNLOCK;