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 1.17 2004/09/26 01:25:00 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_close(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_close },
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 * XXX: VOP_CLOSE() usually called without lock held which is suck. Here we
267 * do some heruistic to determine if vnode should be locked.
269 * smbfs_close(struct vnodeop_desc *a_desc, struct vnode *a_vp, int a_fflag,
270 * struct ucred *a_cred, struct thread *a_td)
273 smbfs_close(struct vop_close_args *ap)
275 struct vnode *vp = ap->a_vp;
276 struct thread *td = ap->a_td;
281 dolock = (vp->v_flag & VXLOCK) == 0;
283 vn_lock(vp, &vlock, LK_EXCLUSIVE | LK_RETRY | LK_INTERLOCK, td);
285 VI_UNLOCK(&vlock, vp);
286 error = smbfs_closel(ap);
288 VOP_UNLOCK(vp, NULL, 0, td);
293 * smbfs_getattr call from vfs.
295 * smbfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct thread *a_td)
298 smbfs_getattr(struct vop_getattr_args *ap)
300 struct vnode *vp = ap->a_vp;
301 struct smbnode *np = VTOSMB(vp);
302 struct vattr *va=ap->a_vap;
303 struct smbfattr fattr;
304 struct smb_cred scred;
308 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_flag & VROOT) != 0);
309 error = smbfs_attr_cachelookup(vp, va);
312 SMBVDEBUG("not in the cache\n");
313 smb_makescred(&scred, ap->a_td, proc0.p_ucred);
314 oldsize = np->n_size;
315 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred);
317 SMBVDEBUG("error %d\n", error);
320 smbfs_attr_cacheenter(vp, &fattr);
321 smbfs_attr_cachelookup(vp, va);
323 np->n_size = oldsize;
328 * smbfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
329 * struct thread *a_td)
332 smbfs_setattr(struct vop_setattr_args *ap)
334 struct vnode *vp = ap->a_vp;
335 struct smbnode *np = VTOSMB(vp);
336 struct vattr *vap = ap->a_vap;
337 struct timespec *mtime, *atime;
338 struct smb_cred scred;
339 struct smb_share *ssp = np->n_mount->sm_share;
340 struct smb_vc *vcp = SSTOVC(ssp);
342 int isreadonly, doclose, error = 0;
345 if (vap->va_flags != VNOVAL)
347 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
349 * Disallow write attempts if the filesystem is mounted read-only.
351 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
352 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
353 vap->va_mode != (mode_t)VNOVAL) && isreadonly)
355 smb_makescred(&scred, ap->a_td, ap->a_cred);
356 if (vap->va_size != VNOVAL) {
357 switch (vp->v_type) {
368 vnode_pager_setsize(vp, (u_long)vap->va_size);
370 np->n_size = vap->va_size;
371 if (np->n_opencount == 0) {
372 error = smbfs_smb_open(np, SMB_AM_OPENRW, &scred);
377 error = smbfs_smb_setfsize(np, vap->va_size, &scred);
379 smbfs_smb_close(ssp, np->n_fid, NULL, &scred);
382 vnode_pager_setsize(vp, (u_long)tsize);
386 mtime = atime = NULL;
387 if (vap->va_mtime.tv_sec != VNOVAL)
388 mtime = &vap->va_mtime;
389 if (vap->va_atime.tv_sec != VNOVAL)
390 atime = &vap->va_atime;
391 if (mtime != atime) {
392 if (ap->a_cred->cr_uid != VTOSMBFS(vp)->sm_args.uid &&
393 (error = suser_cred(ap->a_cred, PRISON_ROOT)) &&
394 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
395 (error = VOP_ACCESS(vp, VWRITE, ap->a_cred, ap->a_td))))
399 mtime = &np->n_mtime;
401 atime = &np->n_atime;
404 * If file is opened, then we can use handle based calls.
405 * If not, use path based ones.
407 if (np->n_opencount == 0) {
408 if (vcp->vc_flags & SMBV_WIN95) {
409 error = VOP_OPEN(vp, FWRITE, ap->a_cred, ap->a_td);
411 /* error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
412 VOP_GETATTR(vp, &vattr, ap->a_td);*/
414 np->n_mtime = *mtime;
415 VOP_CLOSE(vp, FWRITE, ap->a_td);
417 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
418 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
419 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/
420 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
421 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred);
423 error = smbfs_smb_setpattr(np, 0, mtime, &scred);
426 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
427 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred);
428 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
429 error = smbfs_smb_setftime(np, mtime, atime, &scred);
432 * I have no idea how to handle this for core
433 * level servers. The possible solution is to
434 * update mtime after file is closed.
436 SMBERROR("can't update times on an opened file\n");
441 * Invalidate attribute cache in case if server doesn't set
442 * required attributes.
444 smbfs_attr_cacheremove(vp); /* invalidate cache */
445 VOP_GETATTR(vp, vap, ap->a_td);
446 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
452 * smbfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
453 * struct ucred *a_cred)
456 smbfs_read(struct vop_read_args *ap)
458 struct vnode *vp = ap->a_vp;
459 struct uio *uio = ap->a_uio;
462 if (vp->v_type != VREG && vp->v_type != VDIR)
464 return smbfs_readvnode(vp, uio, ap->a_cred);
468 * smbfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
469 * struct ucred *a_cred)
472 smbfs_write(struct vop_write_args *ap)
474 struct vnode *vp = ap->a_vp;
475 struct uio *uio = ap->a_uio;
477 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
478 if (vp->v_type != VREG)
480 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
484 * Create a regular file. On entry the directory to contain the file being
485 * created is locked. We must release before we return. We must also free
486 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
487 * only if the SAVESTART bit in cn_flags is clear on success.
489 * smbfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
490 * struct componentname *a_cnp, struct vattr *a_vap)
493 smbfs_create(struct vop_create_args *ap)
495 struct vnode *dvp = ap->a_dvp;
496 struct vattr *vap = ap->a_vap;
497 struct vnode **vpp=ap->a_vpp;
498 struct componentname *cnp = ap->a_cnp;
499 struct smbnode *dnp = VTOSMB(dvp);
502 struct smbfattr fattr;
503 struct smb_cred scred;
504 char *name = cnp->cn_nameptr;
505 int nmlen = cnp->cn_namelen;
511 if (vap->va_type != VREG)
513 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td)))
515 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
517 error = smbfs_smb_create(dnp, name, nmlen, &scred);
520 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred);
523 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
527 if (cnp->cn_flags & CNP_MAKEENTRY)
528 cache_enter(dvp, NCPNULL, vp, cnp);
533 * smbfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
534 * struct vnode *a_vp, struct componentname *a_cnp)
537 smbfs_remove(struct vop_remove_args *ap)
539 struct vnode *vp = ap->a_vp;
540 /* struct vnode *dvp = ap->a_dvp;*/
541 struct componentname *cnp = ap->a_cnp;
542 struct smbnode *np = VTOSMB(vp);
543 struct smb_cred scred;
546 if (vp->v_type == VDIR || np->n_opencount || vp->v_usecount != 1)
548 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
549 error = smbfs_smb_delete(np, &scred);
555 * smbfs_file rename call
557 * smbfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
558 * struct componentname *a_fcnp, struct vnode *a_tdvp,
559 * struct vnode *a_tvp, struct componentname *a_tcnp)
562 smbfs_rename(struct vop_rename_args *ap)
564 struct vnode *fvp = ap->a_fvp;
565 struct vnode *tvp = ap->a_tvp;
566 struct vnode *fdvp = ap->a_fdvp;
567 struct vnode *tdvp = ap->a_tdvp;
568 struct componentname *tcnp = ap->a_tcnp;
569 /* struct componentname *fcnp = ap->a_fcnp;*/
570 struct smb_cred scred;
574 /* Check for cross-device rename */
575 if ((fvp->v_mount != tdvp->v_mount) ||
576 (tvp && (fvp->v_mount != tvp->v_mount))) {
581 if (tvp && tvp->v_usecount > 1) {
585 flags = 0x10; /* verify all writes */
586 if (fvp->v_type == VDIR) {
588 } else if (fvp->v_type == VREG) {
594 smb_makescred(&scred, tcnp->cn_td, tcnp->cn_cred);
596 * It seems that Samba doesn't implement SMB_COM_MOVE call...
599 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
600 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
601 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred);
606 * We have to do the work atomicaly
608 if (tvp && tvp != fvp) {
609 error = smbfs_smb_delete(VTOSMB(tvp), &scred);
613 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
614 tcnp->cn_nameptr, tcnp->cn_namelen, &scred);
617 if (fvp->v_type == VDIR) {
618 if (tvp != NULL && tvp->v_type == VDIR)
624 smbfs_attr_cacheremove(fdvp);
625 smbfs_attr_cacheremove(tdvp);
635 #ifdef possible_mistake
644 * somtime it will come true...
646 * smbfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
647 * struct componentname *a_cnp)
650 smbfs_link(struct vop_link_args *ap)
656 * smbfs_symlink link create call.
657 * Sometime it will be functional...
659 * smbfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
660 * struct componentname *a_cnp, struct vattr *a_vap,
664 smbfs_symlink(struct vop_symlink_args *ap)
670 smbfs_mknod(struct vop_mknod_args *ap)
676 * smbfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
677 * struct componentname *a_cnp, struct vattr *a_vap)
680 smbfs_mkdir(struct vop_mkdir_args *ap)
682 struct vnode *dvp = ap->a_dvp;
683 /* struct vattr *vap = ap->a_vap;*/
685 struct componentname *cnp = ap->a_cnp;
686 struct smbnode *dnp = VTOSMB(dvp);
688 struct smb_cred scred;
689 struct smbfattr fattr;
690 char *name = cnp->cn_nameptr;
691 int len = cnp->cn_namelen;
694 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) {
697 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
699 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
700 error = smbfs_smb_mkdir(dnp, name, len, &scred);
703 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred);
706 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
714 * smbfs_remove directory call
716 * smbfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
717 * struct componentname *a_cnp)
720 smbfs_rmdir(struct vop_rmdir_args *ap)
722 struct vnode *vp = ap->a_vp;
723 struct vnode *dvp = ap->a_dvp;
724 struct componentname *cnp = ap->a_cnp;
725 /* struct smbmount *smp = VTOSMBFS(vp);*/
726 struct smbnode *dnp = VTOSMB(dvp);
727 struct smbnode *np = VTOSMB(vp);
728 struct smb_cred scred;
734 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred);
735 error = smbfs_smb_rmdir(np, &scred);
736 dnp->n_flag |= NMODIFIED;
737 smbfs_attr_cacheremove(dvp);
738 /* cache_purge(dvp);*/
746 * smbfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
747 * int *a_eofflag, u_long *a_cookies, int a_ncookies)
750 smbfs_readdir(struct vop_readdir_args *ap)
752 struct vnode *vp = ap->a_vp;
753 struct uio *uio = ap->a_uio;
756 if (vp->v_type != VDIR)
759 if (ap->a_ncookies) {
760 printf("smbfs_readdir: no support for cookies now...");
764 error = smbfs_readvnode(vp, uio, ap->a_cred);
769 * smbfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp,
770 * struct ucred *a_cred, int a_waitfor, struct thread *a_td)
774 smbfs_fsync(struct vop_fsync_args *ap)
776 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
781 * smbfs_print(struct vnode *a_vp)
784 smbfs_print(struct vop_print_args *ap)
786 struct vnode *vp = ap->a_vp;
787 struct smbnode *np = VTOSMB(vp);
790 printf("no smbnode data\n");
793 printf("tag VT_SMBFS, name = %s, parent = %p, opencount = %d",
794 np->n_name, np->n_parent ? np->n_parent : NULL,
796 lockmgr_printinfo(&vp->v_lock);
802 * smbfs_pathconf(struct vnode *vp, int name, register_t *retval)
805 smbfs_pathconf(struct vop_pathconf_args *ap)
807 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
808 struct smb_vc *vcp = SSTOVC(smp->sm_share);
809 register_t *retval = ap->a_retval;
812 switch (ap->a_name) {
817 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
820 *retval = 800; /* XXX: a correct one ? */
829 * smbfs_strategy(struct buf *a_bp)
832 smbfs_strategy(struct vop_strategy_args *ap)
834 struct buf *bp=ap->a_bp;
835 struct thread *td = NULL;
839 if (bp->b_flags & B_PHYS)
840 panic("smbfs physio");
841 if ((bp->b_flags & B_ASYNC) == 0)
842 td = curthread; /* XXX */
844 if ((bp->b_flags & B_ASYNC) == 0 )
845 error = smbfs_doio(bp, proc0.p_ucred, td);
850 * smbfs_bmap(struct vnode *a_vp, daddr_t a_bn, struct vnode **a_vpp,
851 * daddr_t *a_bnp, int *a_runp, int *a_runb)
854 smbfs_bmap(struct vop_bmap_args *ap)
856 struct vnode *vp = ap->a_vp;
858 if (ap->a_vpp != NULL)
860 if (ap->a_bnp != NULL)
861 *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize);
862 if (ap->a_runp != NULL)
864 if (ap->a_runb != NULL)
870 * smbfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
871 * int fflag, struct ucred *cred, struct proc *p)
874 smbfs_ioctl(struct vop_ioctl_args *ap)
879 static char smbfs_atl[] = "rhsvda";
881 smbfs_getextattr(struct vop_getextattr_args *ap)
883 IN struct vnode *a_vp;
885 INOUT struct uio *a_uio;
886 IN struct ucred *a_cred;
887 IN struct thread *a_td;
891 struct vnode *vp = ap->a_vp;
892 struct thread *td = ap->a_td;
893 struct ucred *cred = ap->a_cred;
894 struct uio *uio = ap->a_uio;
895 const char *name = ap->a_name;
896 struct smbnode *np = VTOSMB(vp);
901 error = VOP_ACCESS(vp, VREAD, cred, td);
904 error = VOP_GETATTR(vp, &vattr, td);
907 if (strcmp(name, "dosattr") == 0) {
908 attr = np->n_dosattr;
909 for (i = 0; i < 6; i++, attr >>= 1)
910 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
912 error = uiomove(buf, i, uio);
920 * Since we expected to support F_GETLK (and SMB protocol has no such function),
921 * it is necessary to use lf_advlock(). It would be nice if this function had
922 * a callback mechanism because it will help to improve a level of consistency.
924 * smbfs_advlock(struct vnode *a_vp, caddr_t a_id, int a_op,
925 * struct flock *a_fl, int a_flags)
928 smbfs_advlock(struct vop_advlock_args *ap)
930 struct vnode *vp = ap->a_vp;
931 struct smbnode *np = VTOSMB(vp);
932 struct flock *fl = ap->a_fl;
933 caddr_t id = (caddr_t)1 /* ap->a_id */;
934 /* int flags = ap->a_flags;*/
935 struct thread *td = curthread; /* XXX */
936 struct smb_cred scred;
937 off_t start, end, size;
940 if (vp->v_type == VDIR) {
942 * SMB protocol have no support for directory locking.
943 * Although locks can be processed on local machine, I don't
944 * think that this is a good idea, because some programs
945 * can work wrong assuming directory is locked. So, we just
946 * return 'operation not supported
951 switch (fl->l_whence) {
957 start = fl->l_start + size;
966 end = start + fl->l_len - 1;
970 smb_makescred(&scred, td, td->td_proc ? td->td_proc->p_ucred : NULL);
973 switch (fl->l_type) {
975 lkop = SMB_LOCK_EXCL;
978 lkop = SMB_LOCK_SHARED;
981 lkop = SMB_LOCK_RELEASE;
986 error = lf_advlock(ap, &np->n_lockf, size);
989 lkop = SMB_LOCK_EXCL;
990 error = smbfs_smb_lock(np, lkop, id, start, end, &scred);
993 lf_advlock(ap, &np->n_lockf, size);
997 lf_advlock(ap, &np->n_lockf, size);
998 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred);
1001 error = lf_advlock(ap, &np->n_lockf, size);
1010 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1012 static const char *badchars = "*/\[]:<>=;?";
1013 static const char *badchars83 = " +|,";
1017 if (nameiop == NAMEI_LOOKUP)
1020 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1022 * Name should conform 8.3 format
1025 return ENAMETOOLONG;
1026 cp = index(name, '.');
1029 if (cp == name || (cp - name) > 8)
1031 cp = index(cp + 1, '.');
1034 for (cp = name, i = 0; i < nmlen; i++, cp++)
1035 if (index(badchars83, *cp) != NULL)
1038 for (cp = name, i = 0; i < nmlen; i++, cp++)
1039 if (index(badchars, *cp) != NULL)
1045 * Things go even weird without fixed inode numbers...
1047 * smbfs_lookup(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
1048 * struct vnode **a_vpp, struct componentname *a_cnp)
1051 smbfs_lookup(struct vop_lookup_args *ap)
1053 struct componentname *cnp = ap->a_cnp;
1054 struct thread *td = cnp->cn_td;
1055 struct vnode *dvp = ap->a_dvp;
1056 struct vnode **vpp = ap->a_vpp;
1058 struct smbmount *smp;
1059 struct mount *mp = dvp->v_mount;
1060 struct smbnode *dnp;
1061 struct smbfattr fattr, *fap;
1062 struct smb_cred scred;
1063 char *name = cnp->cn_nameptr;
1064 int flags = cnp->cn_flags;
1065 int nameiop = cnp->cn_nameiop;
1066 int nmlen = cnp->cn_namelen;
1067 int lockparent, wantparent, error, islastcn, isdot;
1070 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1071 if (dvp->v_type != VDIR)
1073 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
1074 SMBFSERR("invalid '..'\n");
1077 #ifdef SMB_VNODE_DEBUG
1084 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name,
1085 VTOSMB(dvp)->n_name);
1089 islastcn = flags & CNP_ISLASTCN;
1090 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != NAMEI_LOOKUP))
1092 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1094 lockparent = flags & CNP_LOCKPARENT;
1095 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1096 smp = VFSTOSMBFS(mp);
1098 isdot = (nmlen == 1 && name[0] == '.');
1100 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1105 error = cache_lookup(dvp, vpp, cnp);
1106 SMBVDEBUG("cache_lookup returned %d\n", error);
1109 if (error) { /* name was found */
1115 if (dvp == vp) { /* lookup on current */
1118 SMBVDEBUG("cached '.'\n");
1119 } else if (flags & CNP_ISDOTDOT) {
1120 VOP_UNLOCK(dvp, NULL, 0, td); /* unlock parent */
1121 cnp->cn_flags |= CNP_PDIRUNLOCK;
1122 error = vget(vp, NULL, LK_EXCLUSIVE, td);
1123 if (!error && lockparent && islastcn) {
1124 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td);
1126 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1129 error = vget(vp, NULL, LK_EXCLUSIVE, td);
1130 if (!lockparent || error || !islastcn) {
1131 VOP_UNLOCK(dvp, NULL, 0, td);
1132 cnp->cn_flags |= CNP_PDIRUNLOCK;
1136 if (vpid == vp->v_id) {
1137 if (!VOP_GETATTR(vp, &vattr, td)
1138 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1139 if (nameiop != NAMEI_LOOKUP && islastcn)
1140 cnp->cn_flags |= CNP_SAVENAME;
1141 SMBVDEBUG("use cached vnode\n");
1147 if (lockparent && dvp != vp && islastcn)
1148 VOP_UNLOCK(dvp, NULL, 0, td);
1150 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td);
1153 cnp->cn_flags |= CNP_PDIRUNLOCK;
1156 cnp->cn_flags &= ~CNP_PDIRUNLOCK;
1159 * entry is not in the cache or has been expired
1163 smb_makescred(&scred, td, cnp->cn_cred);
1165 if (flags & CNP_ISDOTDOT) {
1166 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1168 SMBVDEBUG("result of dotdot lookup: %d\n", error);
1171 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred);
1172 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/
1173 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1175 if (error && error != ENOENT)
1177 if (error) { /* entry not found */
1179 * Handle RENAME or CREATE case...
1181 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent && islastcn) {
1182 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1185 cnp->cn_flags |= CNP_SAVENAME;
1187 VOP_UNLOCK(dvp, NULL, 0, td);
1188 cnp->cn_flags |= CNP_PDIRUNLOCK;
1190 return (EJUSTRETURN);
1194 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1197 * handle DELETE case ...
1199 if (nameiop == NAMEI_DELETE && islastcn) { /* delete last component */
1200 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1208 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1212 cnp->cn_flags |= CNP_SAVENAME;
1214 VOP_UNLOCK(dvp, NULL, 0, td);
1215 cnp->cn_flags |= CNP_PDIRUNLOCK;
1219 if (nameiop == NAMEI_RENAME && islastcn && wantparent) {
1220 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1225 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1229 cnp->cn_flags |= CNP_SAVENAME;
1231 VOP_UNLOCK(dvp, NULL, 0, td);
1232 cnp->cn_flags |= CNP_PDIRUNLOCK;
1236 if (flags & CNP_ISDOTDOT) {
1237 VOP_UNLOCK(dvp, NULL, 0, td);
1238 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1240 vn_lock(dvp, NULL, LK_EXCLUSIVE | LK_RETRY, td);
1243 if (lockparent && islastcn) {
1244 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td);
1246 cnp->cn_flags |= CNP_PDIRUNLOCK;
1256 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1260 SMBVDEBUG("lookup: getnewvp!\n");
1261 if (!lockparent || !islastcn) {
1262 VOP_UNLOCK(dvp, NULL, 0, td);
1263 cnp->cn_flags |= CNP_PDIRUNLOCK;
1266 if ((cnp->cn_flags & CNP_MAKEENTRY)/* && !islastcn*/) {
1267 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1268 cache_enter(dvp, NCPNULL, *vpp, cnp);