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 1.20 2004/10/12 19:21:08 dillon 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_create_args *);
65 static int smbfs_mknod(struct vop_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_remove_args *);
75 static int smbfs_link(struct vop_link_args *);
76 static int smbfs_lookup(struct vop_lookup_args *);
77 static int smbfs_rename(struct vop_rename_args *);
78 static int smbfs_mkdir(struct vop_mkdir_args *);
79 static int smbfs_rmdir(struct vop_rmdir_args *);
80 static int smbfs_symlink(struct vop_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, (void *) smbfs_access },
92 { &vop_advlock_desc, (void *) smbfs_advlock },
93 { &vop_bmap_desc, (void *) smbfs_bmap },
94 { &vop_close_desc, (void *) smbfs_closel },
95 { &vop_create_desc, (void *) smbfs_create },
96 { &vop_fsync_desc, (void *) smbfs_fsync },
97 { &vop_getattr_desc, (void *) smbfs_getattr },
98 { &vop_getpages_desc, (void *) smbfs_getpages },
99 { &vop_inactive_desc, (void *) smbfs_inactive },
100 { &vop_ioctl_desc, (void *) smbfs_ioctl },
101 { &vop_islocked_desc, (void *) vop_stdislocked },
102 { &vop_link_desc, (void *) smbfs_link },
103 { &vop_lock_desc, (void *) vop_stdlock },
104 { &vop_lookup_desc, (void *) smbfs_lookup },
105 { &vop_mkdir_desc, (void *) smbfs_mkdir },
106 { &vop_mknod_desc, (void *) smbfs_mknod },
107 { &vop_open_desc, (void *) smbfs_open },
108 { &vop_pathconf_desc, (void *) smbfs_pathconf },
109 { &vop_print_desc, (void *) smbfs_print },
110 { &vop_putpages_desc, (void *) smbfs_putpages },
111 { &vop_read_desc, (void *) smbfs_read },
112 { &vop_readdir_desc, (void *) smbfs_readdir },
113 { &vop_reclaim_desc, (void *) smbfs_reclaim },
114 { &vop_remove_desc, (void *) smbfs_remove },
115 { &vop_rename_desc, (void *) smbfs_rename },
116 { &vop_rmdir_desc, (void *) smbfs_rmdir },
117 { &vop_setattr_desc, (void *) smbfs_setattr },
118 { &vop_strategy_desc, (void *) smbfs_strategy },
119 { &vop_symlink_desc, (void *) smbfs_symlink },
120 { &vop_unlock_desc, (void *) vop_stdunlock },
121 { &vop_write_desc, (void *) smbfs_write },
122 { &vop_getextattr_desc, (void *) smbfs_getextattr },
123 /* { &vop_setextattr_desc, (void *) 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) {
184 if (np->n_flag & NMODIFIED) {
185 if ((error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1)) == EINTR)
187 smbfs_attr_cacheremove(vp);
188 error = VOP_GETATTR(vp, &vattr, ap->a_td);
191 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
193 error = VOP_GETATTR(vp, &vattr, ap->a_td);
196 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
197 error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
200 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
203 if (np->n_opencount) {
207 accmode = SMB_AM_OPENREAD;
208 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
209 accmode = SMB_AM_OPENRW;
210 smb_makescred(&scred, ap->a_td, ap->a_cred);
211 error = smbfs_smb_open(np, accmode, &scred);
215 accmode = SMB_AM_OPENREAD;
216 error = smbfs_smb_open(np, accmode, &scred);
221 smbfs_attr_cacheremove(vp);
226 smbfs_closel(struct vop_close_args *ap)
228 struct vnode *vp = ap->a_vp;
229 struct smbnode *np = VTOSMB(vp);
230 struct thread *td = ap->a_td;
231 struct smb_cred scred;
235 SMBVDEBUG("name=%s, pid=%d, c=%d\n",np->n_name, p->p_pid, np->n_opencount);
237 smb_makescred(&scred, td, proc0.p_ucred);
239 if (np->n_opencount == 0) {
240 if (vp->v_type != VDIR)
241 SMBERROR("Negative opencount\n");
245 if (vp->v_type == VDIR) {
249 smbfs_findclose(np->n_dirseq, &scred);
254 error = smbfs_vinvalbuf(vp, V_SAVE, td, 1);
257 VOP_GETATTR(vp, &vattr, td);
258 error = smbfs_smb_close(np->n_mount->sm_share, np->n_fid,
259 &np->n_mtime, &scred);
261 smbfs_attr_cacheremove(vp);
266 * smbfs_getattr call from vfs.
268 * smbfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct thread *a_td)
271 smbfs_getattr(struct vop_getattr_args *ap)
273 struct vnode *vp = ap->a_vp;
274 struct smbnode *np = VTOSMB(vp);
275 struct vattr *va=ap->a_vap;
276 struct smbfattr fattr;
277 struct smb_cred scred;
281 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_flag & VROOT) != 0);
282 error = smbfs_attr_cachelookup(vp, va);
285 SMBVDEBUG("not in the cache\n");
286 smb_makescred(&scred, ap->a_td, proc0.p_ucred);
287 oldsize = np->n_size;
288 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred);
290 SMBVDEBUG("error %d\n", error);
293 smbfs_attr_cacheenter(vp, &fattr);
294 smbfs_attr_cachelookup(vp, va);
296 np->n_size = oldsize;
301 * smbfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
302 * struct thread *a_td)
305 smbfs_setattr(struct vop_setattr_args *ap)
307 struct vnode *vp = ap->a_vp;
308 struct smbnode *np = VTOSMB(vp);
309 struct vattr *vap = ap->a_vap;
310 struct timespec *mtime, *atime;
311 struct smb_cred scred;
312 struct smb_share *ssp = np->n_mount->sm_share;
313 struct smb_vc *vcp = SSTOVC(ssp);
315 int isreadonly, doclose, error = 0;
318 if (vap->va_flags != VNOVAL)
320 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
322 * Disallow write attempts if the filesystem is mounted read-only.
324 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
325 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
326 vap->va_mode != (mode_t)VNOVAL) && isreadonly)
328 smb_makescred(&scred, ap->a_td, ap->a_cred);
329 if (vap->va_size != VNOVAL) {
330 switch (vp->v_type) {
341 vnode_pager_setsize(vp, (u_long)vap->va_size);
343 np->n_size = vap->va_size;
344 if (np->n_opencount == 0) {
345 error = smbfs_smb_open(np, SMB_AM_OPENRW, &scred);
350 error = smbfs_smb_setfsize(np, vap->va_size, &scred);
352 smbfs_smb_close(ssp, np->n_fid, NULL, &scred);
355 vnode_pager_setsize(vp, (u_long)tsize);
359 mtime = atime = NULL;
360 if (vap->va_mtime.tv_sec != VNOVAL)
361 mtime = &vap->va_mtime;
362 if (vap->va_atime.tv_sec != VNOVAL)
363 atime = &vap->va_atime;
364 if (mtime != atime) {
365 if (ap->a_cred->cr_uid != VTOSMBFS(vp)->sm_args.uid &&
366 (error = suser_cred(ap->a_cred, PRISON_ROOT)) &&
367 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
368 (error = VOP_ACCESS(vp, VWRITE, ap->a_cred, ap->a_td))))
372 mtime = &np->n_mtime;
374 atime = &np->n_atime;
377 * If file is opened, then we can use handle based calls.
378 * If not, use path based ones.
380 if (np->n_opencount == 0) {
381 if (vcp->vc_flags & SMBV_WIN95) {
382 error = VOP_OPEN(vp, FWRITE, ap->a_cred, ap->a_td);
384 /* error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
385 VOP_GETATTR(vp, &vattr, ap->a_td);*/
387 np->n_mtime = *mtime;
388 VOP_CLOSE(vp, FWRITE, ap->a_td);
390 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
391 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
392 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/
393 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
394 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
396 error = smbfs_smb_setpattr(np, 0, mtime, &scred);
399 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
400 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
401 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
402 error = smbfs_smb_setftime(np, mtime, atime, &scred);
405 * I have no idea how to handle this for core
406 * level servers. The possible solution is to
407 * update mtime after file is closed.
409 SMBERROR("can't update times on an opened file\n");
414 * Invalidate attribute cache in case if server doesn't set
415 * required attributes.
417 smbfs_attr_cacheremove(vp); /* invalidate cache */
418 VOP_GETATTR(vp, vap, ap->a_td);
419 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
425 * smbfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
426 * struct ucred *a_cred)
429 smbfs_read(struct vop_read_args *ap)
431 struct vnode *vp = ap->a_vp;
432 struct uio *uio = ap->a_uio;
435 if (vp->v_type != VREG && vp->v_type != VDIR)
437 return smbfs_readvnode(vp, uio, ap->a_cred);
441 * smbfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
442 * struct ucred *a_cred)
445 smbfs_write(struct vop_write_args *ap)
447 struct vnode *vp = ap->a_vp;
448 struct uio *uio = ap->a_uio;
450 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
451 if (vp->v_type != VREG)
453 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
457 * Create a regular file. On entry the directory to contain the file being
458 * created is locked. We must release before we return. We must also free
459 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
460 * only if the SAVESTART bit in cn_flags is clear on success.
462 * smbfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
463 * struct componentname *a_cnp, struct vattr *a_vap)
466 smbfs_create(struct vop_create_args *ap)
468 struct vnode *dvp = ap->a_dvp;
469 struct vattr *vap = ap->a_vap;
470 struct vnode **vpp=ap->a_vpp;
471 struct componentname *cnp = ap->a_cnp;
472 struct smbnode *dnp = VTOSMB(dvp);
475 struct smbfattr fattr;
476 struct smb_cred scred;
477 char *name = cnp->cn_nameptr;
478 int nmlen = cnp->cn_namelen;
484 if (vap->va_type != VREG)
486 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td)))
488 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
490 error = smbfs_smb_create(dnp, name, nmlen, &scred);
493 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred);
496 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
500 if (cnp->cn_flags & CNP_MAKEENTRY)
501 cache_enter(dvp, vp, cnp);
506 * smbfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
507 * struct vnode *a_vp, struct componentname *a_cnp)
510 smbfs_remove(struct vop_remove_args *ap)
512 struct vnode *vp = ap->a_vp;
513 /* struct vnode *dvp = ap->a_dvp;*/
514 struct componentname *cnp = ap->a_cnp;
515 struct smbnode *np = VTOSMB(vp);
516 struct smb_cred scred;
519 if (vp->v_type == VDIR || np->n_opencount || vp->v_usecount != 1)
521 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
522 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_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_usecount > 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);
590 if (fvp->v_type == VDIR) {
591 if (tvp != NULL && tvp->v_type == VDIR)
597 smbfs_attr_cacheremove(fdvp);
598 smbfs_attr_cacheremove(tdvp);
608 #ifdef possible_mistake
618 * somtime it will come true...
620 * smbfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
621 * struct componentname *a_cnp)
624 smbfs_link(struct vop_link_args *ap)
630 * smbfs_symlink link create call.
631 * Sometime it will be functional...
633 * smbfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
634 * struct componentname *a_cnp, struct vattr *a_vap,
638 smbfs_symlink(struct vop_symlink_args *ap)
644 smbfs_mknod(struct vop_mknod_args *ap)
650 * smbfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
651 * struct componentname *a_cnp, struct vattr *a_vap)
654 smbfs_mkdir(struct vop_mkdir_args *ap)
656 struct vnode *dvp = ap->a_dvp;
657 /* struct vattr *vap = ap->a_vap;*/
659 struct componentname *cnp = ap->a_cnp;
660 struct smbnode *dnp = VTOSMB(dvp);
662 struct smb_cred scred;
663 struct smbfattr fattr;
664 char *name = cnp->cn_nameptr;
665 int len = cnp->cn_namelen;
668 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) {
671 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
673 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
674 error = smbfs_smb_mkdir(dnp, name, len, &scred);
677 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred);
680 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
688 * smbfs_remove directory call
690 * smbfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
691 * struct componentname *a_cnp)
694 smbfs_rmdir(struct vop_rmdir_args *ap)
696 struct vnode *vp = ap->a_vp;
697 struct vnode *dvp = ap->a_dvp;
698 struct componentname *cnp = ap->a_cnp;
699 /* struct smbmount *smp = VTOSMBFS(vp);*/
700 struct smbnode *dnp = VTOSMB(dvp);
701 struct smbnode *np = VTOSMB(vp);
702 struct smb_cred scred;
708 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
709 error = smbfs_smb_rmdir(np, &scred);
710 dnp->n_flag |= NMODIFIED;
711 smbfs_attr_cacheremove(dvp);
712 /* cache_purge(dvp);*/
720 * smbfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
721 * int *a_eofflag, u_long *a_cookies, int a_ncookies)
724 smbfs_readdir(struct vop_readdir_args *ap)
726 struct vnode *vp = ap->a_vp;
727 struct uio *uio = ap->a_uio;
730 if (vp->v_type != VDIR)
733 if (ap->a_ncookies) {
734 printf("smbfs_readdir: no support for cookies now...");
738 error = smbfs_readvnode(vp, uio, ap->a_cred);
743 * smbfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp,
744 * struct ucred *a_cred, int a_waitfor, struct thread *a_td)
748 smbfs_fsync(struct vop_fsync_args *ap)
750 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
755 * smbfs_print(struct vnode *a_vp)
758 smbfs_print(struct vop_print_args *ap)
760 struct vnode *vp = ap->a_vp;
761 struct smbnode *np = VTOSMB(vp);
764 printf("no smbnode data\n");
767 printf("tag VT_SMBFS, name = %s, parent = %p, opencount = %d",
768 np->n_name, np->n_parent ? np->n_parent : NULL,
770 lockmgr_printinfo(&vp->v_lock);
776 * smbfs_pathconf(struct vnode *vp, int name, register_t *retval)
779 smbfs_pathconf(struct vop_pathconf_args *ap)
781 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
782 struct smb_vc *vcp = SSTOVC(smp->sm_share);
783 register_t *retval = ap->a_retval;
786 switch (ap->a_name) {
791 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
794 *retval = 800; /* XXX: a correct one ? */
803 * smbfs_strategy(struct buf *a_bp)
806 smbfs_strategy(struct vop_strategy_args *ap)
808 struct buf *bp=ap->a_bp;
809 struct thread *td = NULL;
813 if (bp->b_flags & B_PHYS)
814 panic("smbfs physio");
815 if ((bp->b_flags & B_ASYNC) == 0)
816 td = curthread; /* XXX */
818 if ((bp->b_flags & B_ASYNC) == 0 )
819 error = smbfs_doio(bp, proc0.p_ucred, td);
824 * smbfs_bmap(struct vnode *a_vp, daddr_t a_bn, struct vnode **a_vpp,
825 * daddr_t *a_bnp, int *a_runp, int *a_runb)
828 smbfs_bmap(struct vop_bmap_args *ap)
830 struct vnode *vp = ap->a_vp;
832 if (ap->a_vpp != NULL)
834 if (ap->a_bnp != NULL)
835 *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize);
836 if (ap->a_runp != NULL)
838 if (ap->a_runb != NULL)
844 * smbfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
845 * int fflag, struct ucred *cred, struct proc *p)
848 smbfs_ioctl(struct vop_ioctl_args *ap)
853 static char smbfs_atl[] = "rhsvda";
855 smbfs_getextattr(struct vop_getextattr_args *ap)
857 IN struct vnode *a_vp;
859 INOUT struct uio *a_uio;
860 IN struct ucred *a_cred;
861 IN struct thread *a_td;
865 struct vnode *vp = ap->a_vp;
866 struct thread *td = ap->a_td;
867 struct ucred *cred = ap->a_cred;
868 struct uio *uio = ap->a_uio;
869 const char *name = ap->a_name;
870 struct smbnode *np = VTOSMB(vp);
875 error = VOP_ACCESS(vp, VREAD, cred, td);
878 error = VOP_GETATTR(vp, &vattr, td);
881 if (strcmp(name, "dosattr") == 0) {
882 attr = np->n_dosattr;
883 for (i = 0; i < 6; i++, attr >>= 1)
884 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
886 error = uiomove(buf, i, uio);
894 * Since we expected to support F_GETLK (and SMB protocol has no such function),
895 * it is necessary to use lf_advlock(). It would be nice if this function had
896 * a callback mechanism because it will help to improve a level of consistency.
898 * smbfs_advlock(struct vnode *a_vp, caddr_t a_id, int a_op,
899 * struct flock *a_fl, int a_flags)
902 smbfs_advlock(struct vop_advlock_args *ap)
904 struct vnode *vp = ap->a_vp;
905 struct smbnode *np = VTOSMB(vp);
906 struct flock *fl = ap->a_fl;
907 caddr_t id = (caddr_t)1 /* ap->a_id */;
908 /* int flags = ap->a_flags;*/
909 struct thread *td = curthread; /* XXX */
910 struct smb_cred scred;
911 off_t start, end, size;
914 if (vp->v_type == VDIR) {
916 * SMB protocol have no support for directory locking.
917 * Although locks can be processed on local machine, I don't
918 * think that this is a good idea, because some programs
919 * can work wrong assuming directory is locked. So, we just
920 * return 'operation not supported
925 switch (fl->l_whence) {
931 start = fl->l_start + size;
940 end = start + fl->l_len - 1;
944 smb_makescred(&scred, td, td->td_proc ? td->td_proc->p_ucred : NULL);
947 switch (fl->l_type) {
949 lkop = SMB_LOCK_EXCL;
952 lkop = SMB_LOCK_SHARED;
955 lkop = SMB_LOCK_RELEASE;
960 error = lf_advlock(ap, &np->n_lockf, size);
963 lkop = SMB_LOCK_EXCL;
964 error = smbfs_smb_lock(np, lkop, id, start, end, &scred);
967 lf_advlock(ap, &np->n_lockf, size);
971 lf_advlock(ap, &np->n_lockf, size);
972 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred);
975 error = lf_advlock(ap, &np->n_lockf, size);
984 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
986 static const char *badchars = "*/\[]:<>=;?";
987 static const char *badchars83 = " +|,";
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_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, islastcn, 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 islastcn = flags & CNP_ISLASTCN;
1064 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != NAMEI_LOOKUP))
1066 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1068 lockparent = flags & CNP_LOCKPARENT;
1069 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1070 smp = VFSTOSMBFS(mp);
1072 isdot = (nmlen == 1 && name[0] == '.');
1074 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1079 error = cache_lookup(dvp, vpp, cnp);
1080 SMBVDEBUG("cache_lookup returned %d\n", error);
1083 if (error) { /* name was found */
1089 if (dvp == vp) { /* lookup on current */
1090 /* vp already refd from cache_lookup() */
1092 SMBVDEBUG("cached '.'\n");
1093 } else if (flags & CNP_ISDOTDOT) {
1094 VOP_UNLOCK(dvp, 0, td); /* unlock parent */
1095 cnp->cn_flags |= CNP_PDIRUNLOCK;
1096 error = vget(vp, LK_EXCLUSIVE, td);
1098 if (!error && lockparent && islastcn) {
1099 error = vn_lock(dvp, LK_EXCLUSIVE, td);
1101 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1104 error = vget(vp, LK_EXCLUSIVE, td);
1106 if (!lockparent || error || !islastcn) {
1107 VOP_UNLOCK(dvp, 0, td);
1108 cnp->cn_flags |= CNP_PDIRUNLOCK;
1112 if (vpid == vp->v_id) {
1113 if (!VOP_GETATTR(vp, &vattr, td)
1114 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1115 if (nameiop != NAMEI_LOOKUP && islastcn)
1116 cnp->cn_flags |= CNP_SAVENAME;
1117 SMBVDEBUG("use cached vnode\n");
1123 if (lockparent && dvp != vp && islastcn)
1124 VOP_UNLOCK(dvp, 0, td);
1126 error = vn_lock(dvp, LK_EXCLUSIVE, td);
1129 cnp->cn_flags |= CNP_PDIRUNLOCK;
1132 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1135 * entry is not in the cache or has been expired
1139 smb_makescred(&scred, td, cnp->cn_cred);
1141 if (flags & CNP_ISDOTDOT) {
1142 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1144 SMBVDEBUG("result of dotdot lookup: %d\n", error);
1147 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred);
1148 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/
1149 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1151 if (error && error != ENOENT)
1153 if (error) { /* entry not found */
1155 * Handle RENAME or CREATE case...
1157 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent && islastcn) {
1158 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1161 cnp->cn_flags |= CNP_SAVENAME;
1163 VOP_UNLOCK(dvp, 0, td);
1164 cnp->cn_flags |= CNP_PDIRUNLOCK;
1166 return (EJUSTRETURN);
1170 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1173 * handle DELETE case ...
1175 if (nameiop == NAMEI_DELETE && islastcn) { /* delete last component */
1176 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1184 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1188 cnp->cn_flags |= CNP_SAVENAME;
1190 VOP_UNLOCK(dvp, 0, td);
1191 cnp->cn_flags |= CNP_PDIRUNLOCK;
1195 if (nameiop == NAMEI_RENAME && islastcn && wantparent) {
1196 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1201 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1205 cnp->cn_flags |= CNP_SAVENAME;
1207 VOP_UNLOCK(dvp, 0, td);
1208 cnp->cn_flags |= CNP_PDIRUNLOCK;
1212 if (flags & CNP_ISDOTDOT) {
1213 VOP_UNLOCK(dvp, 0, td);
1214 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1216 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, td);
1219 if (lockparent && islastcn) {
1220 error = vn_lock(dvp, LK_EXCLUSIVE, td);
1222 cnp->cn_flags |= CNP_PDIRUNLOCK;
1232 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1236 SMBVDEBUG("lookup: getnewvp!\n");
1237 if (!lockparent || !islastcn) {
1238 VOP_UNLOCK(dvp, 0, td);
1239 cnp->cn_flags |= CNP_PDIRUNLOCK;
1242 if ((cnp->cn_flags & CNP_MAKEENTRY)/* && !islastcn*/) {
1243 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1244 cache_enter(dvp, *vpp, cnp);