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 1.31 2006/06/13 12:31:57 corecode Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
39 #include <sys/namei.h>
40 #include <sys/fcntl.h>
41 #include <sys/mount.h>
42 #include <sys/unistd.h>
43 #include <sys/vnode.h>
44 #include <sys/lockf.h>
47 #include <vm/vm_extern.h>
48 #include <vm/vm_zone.h>
51 #include <netproto/smb/smb.h>
52 #include <netproto/smb/smb_conn.h>
53 #include <netproto/smb/smb_subr.h>
56 #include "smbfs_node.h"
57 #include "smbfs_subr.h"
62 * Prototypes for SMBFS vnode operations
64 static int smbfs_create(struct vop_old_create_args *);
65 static int smbfs_mknod(struct vop_old_mknod_args *);
66 static int smbfs_open(struct vop_open_args *);
67 static int smbfs_closel(struct vop_close_args *);
68 static int smbfs_access(struct vop_access_args *);
69 static int smbfs_getattr(struct vop_getattr_args *);
70 static int smbfs_setattr(struct vop_setattr_args *);
71 static int smbfs_read(struct vop_read_args *);
72 static int smbfs_write(struct vop_write_args *);
73 static int smbfs_fsync(struct vop_fsync_args *);
74 static int smbfs_remove(struct vop_old_remove_args *);
75 static int smbfs_link(struct vop_old_link_args *);
76 static int smbfs_lookup(struct vop_old_lookup_args *);
77 static int smbfs_rename(struct vop_old_rename_args *);
78 static int smbfs_mkdir(struct vop_old_mkdir_args *);
79 static int smbfs_rmdir(struct vop_old_rmdir_args *);
80 static int smbfs_symlink(struct vop_old_symlink_args *);
81 static int smbfs_readdir(struct vop_readdir_args *);
82 static int smbfs_bmap(struct vop_bmap_args *);
83 static int smbfs_strategy(struct vop_strategy_args *);
84 static int smbfs_print(struct vop_print_args *);
85 static int smbfs_pathconf(struct vop_pathconf_args *ap);
86 static int smbfs_advlock(struct vop_advlock_args *);
87 static int smbfs_getextattr(struct vop_getextattr_args *ap);
89 struct vnodeopv_entry_desc smbfs_vnodeop_entries[] = {
90 { &vop_default_desc, vop_defaultop },
91 { &vop_access_desc, (vnodeopv_entry_t) smbfs_access },
92 { &vop_advlock_desc, (vnodeopv_entry_t) smbfs_advlock },
93 { &vop_bmap_desc, (vnodeopv_entry_t) smbfs_bmap },
94 { &vop_close_desc, (vnodeopv_entry_t) smbfs_closel },
95 { &vop_old_create_desc, (vnodeopv_entry_t) smbfs_create },
96 { &vop_fsync_desc, (vnodeopv_entry_t) smbfs_fsync },
97 { &vop_getattr_desc, (vnodeopv_entry_t) smbfs_getattr },
98 { &vop_getpages_desc, (vnodeopv_entry_t) smbfs_getpages },
99 { &vop_inactive_desc, (vnodeopv_entry_t) smbfs_inactive },
100 { &vop_ioctl_desc, (vnodeopv_entry_t) smbfs_ioctl },
101 { &vop_islocked_desc, (vnodeopv_entry_t) vop_stdislocked },
102 { &vop_old_link_desc, (vnodeopv_entry_t) smbfs_link },
103 { &vop_lock_desc, (vnodeopv_entry_t) vop_stdlock },
104 { &vop_old_lookup_desc, (vnodeopv_entry_t) smbfs_lookup },
105 { &vop_old_mkdir_desc, (vnodeopv_entry_t) smbfs_mkdir },
106 { &vop_old_mknod_desc, (vnodeopv_entry_t) smbfs_mknod },
107 { &vop_open_desc, (vnodeopv_entry_t) smbfs_open },
108 { &vop_pathconf_desc, (vnodeopv_entry_t) smbfs_pathconf },
109 { &vop_print_desc, (vnodeopv_entry_t) smbfs_print },
110 { &vop_putpages_desc, (vnodeopv_entry_t) smbfs_putpages },
111 { &vop_read_desc, (vnodeopv_entry_t) smbfs_read },
112 { &vop_readdir_desc, (vnodeopv_entry_t) smbfs_readdir },
113 { &vop_reclaim_desc, (vnodeopv_entry_t) smbfs_reclaim },
114 { &vop_old_remove_desc, (vnodeopv_entry_t) smbfs_remove },
115 { &vop_old_rename_desc, (vnodeopv_entry_t) smbfs_rename },
116 { &vop_old_rmdir_desc, (vnodeopv_entry_t) smbfs_rmdir },
117 { &vop_setattr_desc, (vnodeopv_entry_t) smbfs_setattr },
118 { &vop_strategy_desc, (vnodeopv_entry_t) smbfs_strategy },
119 { &vop_old_symlink_desc, (vnodeopv_entry_t) smbfs_symlink },
120 { &vop_unlock_desc, (vnodeopv_entry_t) vop_stdunlock },
121 { &vop_write_desc, (vnodeopv_entry_t) smbfs_write },
122 { &vop_getextattr_desc, (vnodeopv_entry_t) smbfs_getextattr },
123 /* { &vop_setextattr_desc, (vnodeopv_entry_t) smbfs_setextattr },*/
128 * smbfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
129 * struct thread *a_td)
132 smbfs_access(struct vop_access_args *ap)
134 struct vnode *vp = ap->a_vp;
135 struct ucred *cred = ap->a_cred;
136 u_int mode = ap->a_mode;
137 struct smbmount *smp = VTOSMBFS(vp);
141 if ((mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
142 switch (vp->v_type) {
143 case VREG: case VDIR: case VLNK:
149 if (cred->cr_uid == 0)
151 if (cred->cr_uid != smp->sm_args.uid) {
153 if (!groupmember(smp->sm_args.gid, cred))
156 error = (((vp->v_type == VREG) ? smp->sm_args.file_mode : smp->sm_args.dir_mode) & mode) == mode ? 0 : EACCES;
161 * smbfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
162 * struct thread *a_td)
166 smbfs_open(struct vop_open_args *ap)
168 struct vnode *vp = ap->a_vp;
169 struct smbnode *np = VTOSMB(vp);
170 struct smb_cred scred;
172 int mode = ap->a_mode;
175 SMBVDEBUG("%s,%d\n", np->n_name, np->n_opencount);
176 if (vp->v_type != VREG && vp->v_type != VDIR) {
177 SMBFSERR("open eacces vtype=%d\n", vp->v_type);
180 if (vp->v_type == VDIR) {
181 if (np->n_opencount == 0)
182 np->n_cached_cred = crhold(ap->a_cred);
184 return (vop_stdopen(ap));
186 if (np->n_flag & NMODIFIED) {
187 if ((error = smbfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
189 smbfs_attr_cacheremove(vp);
190 error = VOP_GETATTR(vp, &vattr);
193 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
195 error = VOP_GETATTR(vp, &vattr);
198 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
199 error = smbfs_vinvalbuf(vp, V_SAVE, 1);
202 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
205 if (np->n_opencount) {
207 return (vop_stdopen(ap));
209 accmode = SMB_AM_OPENREAD;
210 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
211 accmode = SMB_AM_OPENRW;
212 smb_makescred(&scred, curthread, ap->a_cred);
213 error = smbfs_smb_open(np, accmode, &scred);
217 accmode = SMB_AM_OPENREAD;
218 error = smbfs_smb_open(np, accmode, &scred);
221 np->n_cached_cred = crhold(ap->a_cred);
224 smbfs_attr_cacheremove(vp);
231 smbfs_closel(struct vop_close_args *ap)
233 struct vnode *vp = ap->a_vp;
234 struct smbnode *np = VTOSMB(vp);
235 struct smb_cred scred;
239 SMBVDEBUG("name=%s, pid=%d, c=%d\n",np->n_name, p->p_pid, np->n_opencount);
241 smb_makescred(&scred, curthread, proc0.p_ucred);
244 if (np->n_opencount == 0) {
245 if (vp->v_type != VDIR)
246 SMBERROR("Negative opencount\n");
250 if (vp->v_type == VDIR) {
254 smbfs_findclose(np->n_dirseq, &scred);
258 error = smbfs_vinvalbuf(vp, V_SAVE, 1);
261 VOP_GETATTR(vp, &vattr);
262 error = smbfs_smb_close(np->n_mount->sm_share, np->n_fid,
263 &np->n_mtime, &scred);
265 crfree(np->n_cached_cred);
266 np->n_cached_cred = NULL;
267 smbfs_attr_cacheremove(vp);
274 * smbfs_getattr call from vfs.
276 * smbfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct thread *a_td)
279 smbfs_getattr(struct vop_getattr_args *ap)
281 struct vnode *vp = ap->a_vp;
282 struct smbnode *np = VTOSMB(vp);
283 struct vattr *va=ap->a_vap;
284 struct smbfattr fattr;
285 struct smb_cred scred;
289 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_flag & VROOT) != 0);
290 error = smbfs_attr_cachelookup(vp, va);
293 SMBVDEBUG("not in the cache\n");
294 smb_makescred(&scred, curthread, proc0.p_ucred);
295 oldsize = np->n_size;
296 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred);
298 SMBVDEBUG("error %d\n", error);
301 smbfs_attr_cacheenter(vp, &fattr);
302 smbfs_attr_cachelookup(vp, va);
304 np->n_size = oldsize;
309 * smbfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
310 * struct thread *a_td)
313 smbfs_setattr(struct vop_setattr_args *ap)
315 struct vnode *vp = ap->a_vp;
316 struct smbnode *np = VTOSMB(vp);
317 struct vattr *vap = ap->a_vap;
318 struct timespec *mtime, *atime;
319 struct smb_cred scred;
320 struct smb_share *ssp = np->n_mount->sm_share;
321 struct smb_vc *vcp = SSTOVC(ssp);
323 int isreadonly, doclose, error = 0;
326 if (vap->va_flags != VNOVAL)
328 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
330 * Disallow write attempts if the filesystem is mounted read-only.
332 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
333 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
334 vap->va_mode != (mode_t)VNOVAL) && isreadonly)
336 smb_makescred(&scred, curthread, ap->a_cred);
337 if (vap->va_size != VNOVAL) {
338 switch (vp->v_type) {
349 vnode_pager_setsize(vp, (u_long)vap->va_size);
351 np->n_size = vap->va_size;
352 if (np->n_opencount == 0) {
353 error = smbfs_smb_open(np, SMB_AM_OPENRW, &scred);
358 error = smbfs_smb_setfsize(np, vap->va_size, &scred);
360 smbfs_smb_close(ssp, np->n_fid, NULL, &scred);
363 vnode_pager_setsize(vp, (u_long)tsize);
367 mtime = atime = NULL;
368 if (vap->va_mtime.tv_sec != VNOVAL)
369 mtime = &vap->va_mtime;
370 if (vap->va_atime.tv_sec != VNOVAL)
371 atime = &vap->va_atime;
372 if (mtime != atime) {
373 if (ap->a_cred->cr_uid != VTOSMBFS(vp)->sm_args.uid &&
374 (error = suser_cred(ap->a_cred, PRISON_ROOT)) &&
375 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
376 (error = VOP_ACCESS(vp, VWRITE, ap->a_cred))))
380 mtime = &np->n_mtime;
382 atime = &np->n_atime;
385 * If file is opened, then we can use handle based calls.
386 * If not, use path based ones.
388 if (np->n_opencount == 0) {
389 if (vcp->vc_flags & SMBV_WIN95) {
390 error = VOP_OPEN(vp, FWRITE, ap->a_cred, NULL);
392 /* error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
393 VOP_GETATTR(vp, &vattr);*/
395 np->n_mtime = *mtime;
396 VOP_CLOSE(vp, FWRITE);
398 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
399 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
400 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/
401 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
402 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
404 error = smbfs_smb_setpattr(np, 0, mtime, &scred);
407 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
408 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
409 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
410 error = smbfs_smb_setftime(np, mtime, atime, &scred);
413 * I have no idea how to handle this for core
414 * level servers. The possible solution is to
415 * update mtime after file is closed.
417 SMBERROR("can't update times on an opened file\n");
422 * Invalidate attribute cache in case if server doesn't set
423 * required attributes.
425 smbfs_attr_cacheremove(vp); /* invalidate cache */
426 VOP_GETATTR(vp, vap);
427 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
433 * smbfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
434 * struct ucred *a_cred)
437 smbfs_read(struct vop_read_args *ap)
439 struct vnode *vp = ap->a_vp;
440 struct uio *uio = ap->a_uio;
443 if (vp->v_type != VREG && vp->v_type != VDIR)
445 return smbfs_readvnode(vp, uio, ap->a_cred);
449 * smbfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
450 * struct ucred *a_cred)
453 smbfs_write(struct vop_write_args *ap)
455 struct vnode *vp = ap->a_vp;
456 struct uio *uio = ap->a_uio;
458 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
459 if (vp->v_type != VREG)
461 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
465 * Create a regular file. On entry the directory to contain the file being
466 * created is locked. We must release before we return.
468 * smbfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
469 * struct componentname *a_cnp, struct vattr *a_vap)
472 smbfs_create(struct vop_old_create_args *ap)
474 struct vnode *dvp = ap->a_dvp;
475 struct vattr *vap = ap->a_vap;
476 struct vnode **vpp=ap->a_vpp;
477 struct componentname *cnp = ap->a_cnp;
478 struct smbnode *dnp = VTOSMB(dvp);
481 struct smbfattr fattr;
482 struct smb_cred scred;
483 char *name = cnp->cn_nameptr;
484 int nmlen = cnp->cn_namelen;
490 if (vap->va_type != VREG)
492 if ((error = VOP_GETATTR(dvp, &vattr)))
494 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
496 error = smbfs_smb_create(dnp, name, nmlen, &scred);
499 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred);
502 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
510 * smbfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
511 * struct vnode *a_vp, struct componentname *a_cnp)
514 smbfs_remove(struct vop_old_remove_args *ap)
516 struct vnode *vp = ap->a_vp;
517 /* struct vnode *dvp = ap->a_dvp;*/
518 struct componentname *cnp = ap->a_cnp;
519 struct smbnode *np = VTOSMB(vp);
520 struct smb_cred scred;
523 if (vp->v_type == VDIR || np->n_opencount || vp->v_usecount != 1)
525 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
526 error = smbfs_smb_delete(np, &scred);
531 * smbfs_file rename call
533 * smbfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
534 * struct componentname *a_fcnp, struct vnode *a_tdvp,
535 * struct vnode *a_tvp, struct componentname *a_tcnp)
538 smbfs_rename(struct vop_old_rename_args *ap)
540 struct vnode *fvp = ap->a_fvp;
541 struct vnode *tvp = ap->a_tvp;
542 struct vnode *fdvp = ap->a_fdvp;
543 struct vnode *tdvp = ap->a_tdvp;
544 struct componentname *tcnp = ap->a_tcnp;
545 /* struct componentname *fcnp = ap->a_fcnp;*/
546 struct smb_cred scred;
550 /* Check for cross-device rename */
551 if ((fvp->v_mount != tdvp->v_mount) ||
552 (tvp && (fvp->v_mount != tvp->v_mount))) {
557 if (tvp && tvp->v_usecount > 1) {
561 flags = 0x10; /* verify all writes */
562 if (fvp->v_type == VDIR) {
564 } else if (fvp->v_type == VREG) {
570 smb_makescred(&scred, tcnp->cn_td, tcnp->cn_cred);
572 * It seems that Samba doesn't implement SMB_COM_MOVE call...
575 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
576 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
577 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred);
582 * We have to do the work atomicaly
584 if (tvp && tvp != fvp) {
585 error = smbfs_smb_delete(VTOSMB(tvp), &scred);
589 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
590 tcnp->cn_nameptr, tcnp->cn_namelen, &scred);
594 smbfs_attr_cacheremove(fdvp);
595 smbfs_attr_cacheremove(tdvp);
605 #ifdef possible_mistake
615 * somtime it will come true...
617 * smbfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
618 * struct componentname *a_cnp)
621 smbfs_link(struct vop_old_link_args *ap)
627 * smbfs_symlink link create call.
628 * Sometime it will be functional...
630 * smbfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
631 * struct componentname *a_cnp, struct vattr *a_vap,
635 smbfs_symlink(struct vop_old_symlink_args *ap)
641 smbfs_mknod(struct vop_old_mknod_args *ap)
647 * smbfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
648 * struct componentname *a_cnp, struct vattr *a_vap)
651 smbfs_mkdir(struct vop_old_mkdir_args *ap)
653 struct vnode *dvp = ap->a_dvp;
654 /* struct vattr *vap = ap->a_vap;*/
656 struct componentname *cnp = ap->a_cnp;
657 struct smbnode *dnp = VTOSMB(dvp);
659 struct smb_cred scred;
660 struct smbfattr fattr;
661 char *name = cnp->cn_nameptr;
662 int len = cnp->cn_namelen;
665 if ((error = VOP_GETATTR(dvp, &vattr))) {
668 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
670 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
671 error = smbfs_smb_mkdir(dnp, name, len, &scred);
674 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred);
677 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
685 * smbfs_remove directory call
687 * smbfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
688 * struct componentname *a_cnp)
691 smbfs_rmdir(struct vop_old_rmdir_args *ap)
693 struct vnode *vp = ap->a_vp;
694 struct vnode *dvp = ap->a_dvp;
695 struct componentname *cnp = ap->a_cnp;
696 /* struct smbmount *smp = VTOSMBFS(vp);*/
697 struct smbnode *dnp = VTOSMB(dvp);
698 struct smbnode *np = VTOSMB(vp);
699 struct smb_cred scred;
705 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
706 error = smbfs_smb_rmdir(np, &scred);
707 dnp->n_flag |= NMODIFIED;
708 smbfs_attr_cacheremove(dvp);
715 * smbfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
716 * int *a_eofflag, u_long *a_cookies, int a_ncookies)
719 smbfs_readdir(struct vop_readdir_args *ap)
721 struct vnode *vp = ap->a_vp;
722 struct uio *uio = ap->a_uio;
725 if (vp->v_type != VDIR)
728 if (ap->a_ncookies) {
729 printf("smbfs_readdir: no support for cookies now...");
733 error = smbfs_readvnode(vp, uio, ap->a_cred);
738 * smbfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp,
739 * struct ucred *a_cred, int a_waitfor, struct thread *a_td)
743 smbfs_fsync(struct vop_fsync_args *ap)
745 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
750 * smbfs_print(struct vnode *a_vp)
753 smbfs_print(struct vop_print_args *ap)
755 struct vnode *vp = ap->a_vp;
756 struct smbnode *np = VTOSMB(vp);
759 printf("no smbnode data\n");
762 printf("tag VT_SMBFS, name = %s, parent = %p, opencount = %d",
763 np->n_name, np->n_parent ? np->n_parent : NULL,
765 lockmgr_printinfo(&vp->v_lock);
771 * smbfs_pathconf(struct vnode *vp, int name, register_t *retval)
774 smbfs_pathconf(struct vop_pathconf_args *ap)
776 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
777 struct smb_vc *vcp = SSTOVC(smp->sm_share);
778 register_t *retval = ap->a_retval;
781 switch (ap->a_name) {
786 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
789 *retval = 800; /* XXX: a correct one ? */
798 * smbfs_strategy(struct vnode *a_vp, struct bio *a_bio)
801 smbfs_strategy(struct vop_strategy_args *ap)
803 struct bio *bio = ap->a_bio;
804 struct buf *bp = bio->bio_buf;
805 struct thread *td = NULL;
809 if ((bp->b_flags & B_ASYNC) == 0)
810 td = curthread; /* XXX */
812 if ((bp->b_flags & B_ASYNC) == 0 )
813 error = smbfs_doio(ap->a_vp, bio, proc0.p_ucred, td);
818 * smbfs_bmap(struct vnode *a_vp, off_t a_loffset, struct vnode **a_vpp,
819 * off_t *a_doffsetp, int *a_runp, int *a_runb)
822 smbfs_bmap(struct vop_bmap_args *ap)
824 struct vnode *vp = ap->a_vp;
826 if (ap->a_vpp != NULL)
828 if (ap->a_doffsetp != NULL)
829 *ap->a_doffsetp = ap->a_loffset;
830 if (ap->a_runp != NULL)
832 if (ap->a_runb != NULL)
838 * smbfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
839 * int fflag, struct ucred *cred, struct proc *p)
842 smbfs_ioctl(struct vop_ioctl_args *ap)
847 static char smbfs_atl[] = "rhsvda";
849 smbfs_getextattr(struct vop_getextattr_args *ap)
851 IN struct vnode *a_vp;
853 INOUT struct uio *a_uio;
854 IN struct ucred *a_cred;
855 IN struct thread *a_td;
859 struct vnode *vp = ap->a_vp;
860 struct ucred *cred = ap->a_cred;
861 struct uio *uio = ap->a_uio;
862 const char *name = ap->a_name;
863 struct smbnode *np = VTOSMB(vp);
868 error = VOP_ACCESS(vp, VREAD, cred);
871 error = VOP_GETATTR(vp, &vattr);
874 if (strcmp(name, "dosattr") == 0) {
875 attr = np->n_dosattr;
876 for (i = 0; i < 6; i++, attr >>= 1)
877 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
879 error = uiomove(buf, i, uio);
887 * Since we expected to support F_GETLK (and SMB protocol has no such function),
888 * it is necessary to use lf_advlock(). It would be nice if this function had
889 * a callback mechanism because it will help to improve a level of consistency.
891 * smbfs_advlock(struct vnode *a_vp, caddr_t a_id, int a_op,
892 * struct flock *a_fl, int a_flags)
895 smbfs_advlock(struct vop_advlock_args *ap)
897 struct vnode *vp = ap->a_vp;
898 struct smbnode *np = VTOSMB(vp);
899 struct flock *fl = ap->a_fl;
900 caddr_t id = (caddr_t)1 /* ap->a_id */;
901 /* int flags = ap->a_flags;*/
902 struct thread *td = curthread; /* XXX */
903 struct smb_cred scred;
904 off_t start, end, size;
907 if (vp->v_type == VDIR) {
909 * SMB protocol have no support for directory locking.
910 * Although locks can be processed on local machine, I don't
911 * think that this is a good idea, because some programs
912 * can work wrong assuming directory is locked. So, we just
913 * return 'operation not supported
918 switch (fl->l_whence) {
924 start = fl->l_start + size;
933 end = start + fl->l_len - 1;
937 smb_makescred(&scred, td, td->td_proc ? td->td_proc->p_ucred : NULL);
940 switch (fl->l_type) {
942 lkop = SMB_LOCK_EXCL;
945 lkop = SMB_LOCK_SHARED;
948 lkop = SMB_LOCK_RELEASE;
953 error = lf_advlock(ap, &np->n_lockf, size);
956 lkop = SMB_LOCK_EXCL;
957 error = smbfs_smb_lock(np, lkop, id, start, end, &scred);
960 lf_advlock(ap, &np->n_lockf, size);
964 lf_advlock(ap, &np->n_lockf, size);
965 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred);
968 error = lf_advlock(ap, &np->n_lockf, size);
977 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
979 static const char *badchars = "*/:<>;?";
980 static const char *badchars83 = " +|,";
985 * Backslash characters, being a path delimiter, are prohibited
986 * within a path component even for LOOKUP operations.
988 if (index(name, '\\') != NULL)
991 if (nameiop == NAMEI_LOOKUP)
994 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
996 * Name should conform 8.3 format
1000 cp = index(name, '.');
1003 if (cp == name || (cp - name) > 8)
1005 cp = index(cp + 1, '.');
1008 for (cp = name, i = 0; i < nmlen; i++, cp++)
1009 if (index(badchars83, *cp) != NULL)
1012 for (cp = name, i = 0; i < nmlen; i++, cp++)
1013 if (index(badchars, *cp) != NULL)
1019 * Things go even weird without fixed inode numbers...
1021 * smbfs_lookup(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
1022 * struct vnode **a_vpp, struct componentname *a_cnp)
1025 smbfs_lookup(struct vop_old_lookup_args *ap)
1027 struct componentname *cnp = ap->a_cnp;
1028 struct thread *td = cnp->cn_td;
1029 struct vnode *dvp = ap->a_dvp;
1030 struct vnode **vpp = ap->a_vpp;
1032 struct smbmount *smp;
1033 struct mount *mp = dvp->v_mount;
1034 struct smbnode *dnp;
1035 struct smbfattr fattr, *fap;
1036 struct smb_cred scred;
1037 char *name = cnp->cn_nameptr;
1038 int flags = cnp->cn_flags;
1039 int nameiop = cnp->cn_nameiop;
1040 int nmlen = cnp->cn_namelen;
1041 int lockparent, wantparent, error, isdot;
1044 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1045 if (dvp->v_type != VDIR)
1047 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
1048 SMBFSERR("invalid '..'\n");
1051 #ifdef SMB_VNODE_DEBUG
1058 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name,
1059 VTOSMB(dvp)->n_name);
1063 if ((mp->mnt_flag & MNT_RDONLY) && nameiop != NAMEI_LOOKUP)
1065 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred)) != 0)
1067 lockparent = flags & CNP_LOCKPARENT;
1068 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1069 smp = VFSTOSMBFS(mp);
1071 isdot = (nmlen == 1 && name[0] == '.');
1073 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1080 smb_makescred(&scred, td, cnp->cn_cred);
1082 if (flags & CNP_ISDOTDOT) {
1083 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1085 SMBVDEBUG("result of dotdot lookup: %d\n", error);
1088 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred);
1089 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/
1090 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1092 if (error && error != ENOENT)
1094 if (error) { /* entry not found */
1096 * Handle RENAME or CREATE case...
1098 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent) {
1099 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
1104 cnp->cn_flags |= CNP_PDIRUNLOCK;
1106 return (EJUSTRETURN);
1110 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1113 * handle DELETE case ...
1115 if (nameiop == NAMEI_DELETE) { /* delete last component */
1116 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
1124 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1130 cnp->cn_flags |= CNP_PDIRUNLOCK;
1134 if (nameiop == NAMEI_RENAME && wantparent) {
1135 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
1140 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1146 cnp->cn_flags |= CNP_PDIRUNLOCK;
1150 if (flags & CNP_ISDOTDOT) {
1152 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1154 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1158 error = vn_lock(dvp, LK_EXCLUSIVE);
1160 cnp->cn_flags |= CNP_PDIRUNLOCK;
1170 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1174 SMBVDEBUG("lookup: getnewvp!\n");
1177 cnp->cn_flags |= CNP_PDIRUNLOCK;