2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2000-2001 Boris Popov
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/namei.h>
33 #include <sys/kernel.h>
37 #include <sys/fcntl.h>
38 #include <sys/mount.h>
39 #include <sys/unistd.h>
40 #include <sys/vnode.h>
41 #include <sys/limits.h>
42 #include <sys/lockf.h>
46 #include <vm/vm_extern.h>
48 #include <netsmb/smb.h>
49 #include <netsmb/smb_conn.h>
50 #include <netsmb/smb_subr.h>
52 #include <fs/smbfs/smbfs.h>
53 #include <fs/smbfs/smbfs_node.h>
54 #include <fs/smbfs/smbfs_subr.h>
57 * Prototypes for SMBFS vnode operations
59 static vop_create_t smbfs_create;
60 static vop_mknod_t smbfs_mknod;
61 static vop_open_t smbfs_open;
62 static vop_close_t smbfs_close;
63 static vop_access_t smbfs_access;
64 static vop_getattr_t smbfs_getattr;
65 static vop_setattr_t smbfs_setattr;
66 static vop_read_t smbfs_read;
67 static vop_write_t smbfs_write;
68 static vop_fsync_t smbfs_fsync;
69 static vop_remove_t smbfs_remove;
70 static vop_link_t smbfs_link;
71 static vop_lookup_t smbfs_lookup;
72 static vop_rename_t smbfs_rename;
73 static vop_mkdir_t smbfs_mkdir;
74 static vop_rmdir_t smbfs_rmdir;
75 static vop_symlink_t smbfs_symlink;
76 static vop_readdir_t smbfs_readdir;
77 static vop_strategy_t smbfs_strategy;
78 static vop_print_t smbfs_print;
79 static vop_pathconf_t smbfs_pathconf;
80 static vop_advlock_t smbfs_advlock;
81 static vop_getextattr_t smbfs_getextattr;
83 struct vop_vector smbfs_vnodeops = {
84 .vop_default = &default_vnodeops,
86 .vop_access = smbfs_access,
87 .vop_advlock = smbfs_advlock,
88 .vop_close = smbfs_close,
89 .vop_create = smbfs_create,
90 .vop_fsync = smbfs_fsync,
91 .vop_getattr = smbfs_getattr,
92 .vop_getextattr = smbfs_getextattr,
93 .vop_getpages = smbfs_getpages,
94 .vop_inactive = smbfs_inactive,
95 .vop_ioctl = smbfs_ioctl,
96 .vop_link = smbfs_link,
97 .vop_lookup = smbfs_lookup,
98 .vop_mkdir = smbfs_mkdir,
99 .vop_mknod = smbfs_mknod,
100 .vop_open = smbfs_open,
101 .vop_pathconf = smbfs_pathconf,
102 .vop_print = smbfs_print,
103 .vop_putpages = smbfs_putpages,
104 .vop_read = smbfs_read,
105 .vop_readdir = smbfs_readdir,
106 .vop_reclaim = smbfs_reclaim,
107 .vop_remove = smbfs_remove,
108 .vop_rename = smbfs_rename,
109 .vop_rmdir = smbfs_rmdir,
110 .vop_setattr = smbfs_setattr,
111 /* .vop_setextattr = smbfs_setextattr,*/
112 .vop_strategy = smbfs_strategy,
113 .vop_symlink = smbfs_symlink,
114 .vop_write = smbfs_write,
116 VFS_VOP_VECTOR_REGISTER(smbfs_vnodeops);
119 smbfs_access(struct vop_access_args *ap)
121 struct vnode *vp = ap->a_vp;
122 accmode_t accmode = ap->a_accmode;
124 struct smbmount *smp = VTOSMBFS(vp);
127 if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
128 switch (vp->v_type) {
129 case VREG: case VDIR: case VLNK:
135 mpmode = vp->v_type == VREG ? smp->sm_file_mode : smp->sm_dir_mode;
136 return (vaccess(vp->v_type, mpmode, smp->sm_uid,
137 smp->sm_gid, ap->a_accmode, ap->a_cred));
142 smbfs_open(struct vop_open_args *ap)
144 struct vnode *vp = ap->a_vp;
145 struct smbnode *np = VTOSMB(vp);
146 struct smb_cred *scred;
148 int mode = ap->a_mode;
151 SMBVDEBUG("%s,%d\n", np->n_name, (np->n_flag & NOPEN) != 0);
152 if (vp->v_type != VREG && vp->v_type != VDIR) {
153 SMBFSERR("open eacces vtype=%d\n", vp->v_type);
156 if (vp->v_type == VDIR) {
160 if (np->n_flag & NMODIFIED) {
161 if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
163 smbfs_attr_cacheremove(vp);
164 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
167 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
169 error = VOP_GETATTR(vp, &vattr, ap->a_cred);
172 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
173 error = smbfs_vinvalbuf(vp, ap->a_td);
176 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
179 if ((np->n_flag & NOPEN) != 0)
182 * Use DENYNONE to give unixy semantics of permitting
183 * everything not forbidden by permissions. Ie denial
184 * is up to server with clients/openers needing to use
185 * advisory locks for further control.
187 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
188 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
189 accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
190 scred = smbfs_malloc_scred();
191 smb_makescred(scred, ap->a_td, ap->a_cred);
192 error = smbfs_smb_open(np, accmode, scred);
196 else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
197 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
198 error = smbfs_smb_open(np, accmode, scred);
203 vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
205 smbfs_attr_cacheremove(vp);
206 smbfs_free_scred(scred);
211 smbfs_close(struct vop_close_args *ap)
213 struct vnode *vp = ap->a_vp;
214 struct thread *td = ap->a_td;
215 struct smbnode *np = VTOSMB(vp);
216 struct smb_cred *scred;
218 if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
219 np->n_dirseq != NULL) {
220 scred = smbfs_malloc_scred();
221 smb_makescred(scred, td, ap->a_cred);
222 smbfs_findclose(np->n_dirseq, scred);
223 smbfs_free_scred(scred);
230 * smbfs_getattr call from vfs.
233 smbfs_getattr(struct vop_getattr_args *ap)
235 struct vnode *vp = ap->a_vp;
236 struct smbnode *np = VTOSMB(vp);
237 struct vattr *va=ap->a_vap;
238 struct smbfattr fattr;
239 struct smb_cred *scred;
243 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
244 error = smbfs_attr_cachelookup(vp, va);
247 SMBVDEBUG("not in the cache\n");
248 scred = smbfs_malloc_scred();
249 smb_makescred(scred, curthread, ap->a_cred);
250 oldsize = np->n_size;
251 error = smbfs_smb_lookup(np, NULL, 0, &fattr, scred);
253 SMBVDEBUG("error %d\n", error);
254 smbfs_free_scred(scred);
257 smbfs_attr_cacheenter(vp, &fattr);
258 smbfs_attr_cachelookup(vp, va);
259 if (np->n_flag & NOPEN)
260 np->n_size = oldsize;
261 smbfs_free_scred(scred);
266 smbfs_setattr(struct vop_setattr_args *ap)
268 struct vnode *vp = ap->a_vp;
269 struct smbnode *np = VTOSMB(vp);
270 struct vattr *vap = ap->a_vap;
271 struct timespec *mtime, *atime;
272 struct smb_cred *scred;
273 struct smb_share *ssp = np->n_mount->sm_share;
274 struct smb_vc *vcp = SSTOVC(ssp);
275 struct thread *td = curthread;
277 int isreadonly, doclose, error = 0;
281 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
283 * Disallow write attempts if the filesystem is mounted read-only.
285 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
286 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
287 vap->va_mode != (mode_t)VNOVAL || vap->va_flags != VNOVAL) &&
292 * We only support setting four flags. Don't allow setting others.
294 * We map UF_READONLY to SMB_FA_RDONLY, unlike the MacOS X version
295 * of this code, which maps both UF_IMMUTABLE AND SF_IMMUTABLE to
296 * SMB_FA_RDONLY. The immutable flags have different semantics
297 * than readonly, which is the reason for the difference.
299 if (vap->va_flags != VNOVAL) {
300 if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
305 scred = smbfs_malloc_scred();
306 smb_makescred(scred, td, ap->a_cred);
307 if (vap->va_size != VNOVAL) {
308 switch (vp->v_type) {
323 vnode_pager_setsize(vp, (u_long)vap->va_size);
325 np->n_size = vap->va_size;
326 if ((np->n_flag & NOPEN) == 0) {
327 error = smbfs_smb_open(np,
328 SMB_SM_DENYNONE|SMB_AM_OPENRW,
334 error = smbfs_smb_setfsize(np,
335 (int64_t)vap->va_size, scred);
337 smbfs_smb_close(ssp, np->n_fid, NULL, scred);
340 vnode_pager_setsize(vp, (u_long)tsize);
344 if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
345 old_n_dosattr = np->n_dosattr;
347 if (vap->va_mode != (mode_t)VNOVAL) {
348 if (vap->va_mode & S_IWUSR)
349 np->n_dosattr &= ~SMB_FA_RDONLY;
351 np->n_dosattr |= SMB_FA_RDONLY;
354 if (vap->va_flags != VNOVAL) {
355 if (vap->va_flags & UF_HIDDEN)
356 np->n_dosattr |= SMB_FA_HIDDEN;
358 np->n_dosattr &= ~SMB_FA_HIDDEN;
360 if (vap->va_flags & UF_SYSTEM)
361 np->n_dosattr |= SMB_FA_SYSTEM;
363 np->n_dosattr &= ~SMB_FA_SYSTEM;
365 if (vap->va_flags & UF_ARCHIVE)
366 np->n_dosattr |= SMB_FA_ARCHIVE;
368 np->n_dosattr &= ~SMB_FA_ARCHIVE;
371 * We only support setting the immutable / readonly
372 * bit for regular files. According to comments in
373 * the MacOS X version of this code, supporting the
374 * readonly bit on directories doesn't do the same
375 * thing in Windows as in Unix.
377 if (vp->v_type == VREG) {
378 if (vap->va_flags & UF_READONLY)
379 np->n_dosattr |= SMB_FA_RDONLY;
381 np->n_dosattr &= ~SMB_FA_RDONLY;
385 if (np->n_dosattr != old_n_dosattr) {
386 error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
391 mtime = atime = NULL;
392 if (vap->va_mtime.tv_sec != VNOVAL)
393 mtime = &vap->va_mtime;
394 if (vap->va_atime.tv_sec != VNOVAL)
395 atime = &vap->va_atime;
396 if (mtime != atime) {
397 if (vap->va_vaflags & VA_UTIMES_NULL) {
398 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
400 error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
402 error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
405 mtime = &np->n_mtime;
407 atime = &np->n_atime;
410 * If file is opened, then we can use handle based calls.
411 * If not, use path based ones.
413 if ((np->n_flag & NOPEN) == 0) {
414 if (vcp->vc_flags & SMBV_WIN95) {
415 error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
418 /* error = smbfs_smb_setfattrNT(np, 0,
419 mtime, atime, scred);
420 VOP_GETATTR(vp, &vattr, ap->a_cred); */
422 np->n_mtime = *mtime;
423 VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
425 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
426 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
427 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, scred);*/
428 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
429 error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
431 error = smbfs_smb_setpattr(np, 0, mtime, scred);
434 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
435 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, scred);
436 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
437 error = smbfs_smb_setftime(np, mtime, atime, scred);
440 * I have no idea how to handle this for core
441 * level servers. The possible solution is to
442 * update mtime after file is closed.
444 SMBERROR("can't update times on an opened file\n");
449 * Invalidate attribute cache in case if server doesn't set
450 * required attributes.
452 smbfs_attr_cacheremove(vp); /* invalidate cache */
453 VOP_GETATTR(vp, vap, ap->a_cred);
454 np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
456 smbfs_free_scred(scred);
463 smbfs_read(struct vop_read_args *ap)
465 struct vnode *vp = ap->a_vp;
466 struct uio *uio = ap->a_uio;
469 if (vp->v_type != VREG && vp->v_type != VDIR)
471 return smbfs_readvnode(vp, uio, ap->a_cred);
475 smbfs_write(struct vop_write_args *ap)
477 struct vnode *vp = ap->a_vp;
478 struct uio *uio = ap->a_uio;
480 SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset,
482 if (vp->v_type != VREG)
484 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
488 * Create a regular file. On entry the directory to contain the file being
489 * created is locked. We must release before we return. We must also free
490 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error.
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;
510 if (vap->va_type != VREG)
512 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
514 scred = smbfs_malloc_scred();
515 smb_makescred(scred, curthread, 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 & MAKEENTRY)
528 cache_enter(dvp, vp, cnp);
530 smbfs_free_scred(scred);
535 smbfs_remove(struct vop_remove_args *ap)
537 struct vnode *vp = ap->a_vp;
538 /* struct vnode *dvp = ap->a_dvp;*/
539 struct componentname *cnp = ap->a_cnp;
540 struct smbnode *np = VTOSMB(vp);
541 struct smb_cred *scred;
544 if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
546 scred = smbfs_malloc_scred();
547 smb_makescred(scred, curthread, cnp->cn_cred);
548 error = smbfs_smb_delete(np, scred);
552 smbfs_free_scred(scred);
557 * smbfs_file rename call
560 smbfs_rename(struct vop_rename_args *ap)
562 struct vnode *fvp = ap->a_fvp;
563 struct vnode *tvp = ap->a_tvp;
564 struct vnode *fdvp = ap->a_fdvp;
565 struct vnode *tdvp = ap->a_tdvp;
566 struct componentname *tcnp = ap->a_tcnp;
567 /* struct componentname *fcnp = ap->a_fcnp;*/
568 struct smb_cred *scred;
575 /* Check for cross-device rename */
576 if ((fvp->v_mount != tdvp->v_mount) ||
577 (tvp && (fvp->v_mount != tvp->v_mount))) {
582 if (tvp && vrefcnt(tvp) > 1) {
587 flags = 0x10; /* verify all writes */
589 if (fvp->v_type == VDIR) {
593 } else if (fvp->v_type == VREG) {
600 scred = smbfs_malloc_scred();
601 smb_makescred(scred, curthread, tcnp->cn_cred);
603 * It seems that Samba doesn't implement SMB_COM_MOVE call...
606 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
607 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
608 tcnp->cn_nameptr, tcnp->cn_namelen, flags, scred);
613 * We have to do the work atomicaly
615 if (tvp && tvp != fvp) {
616 error = smbfs_smb_delete(VTOSMB(tvp), scred);
619 VTOSMB(fvp)->n_flag |= NGONE;
621 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
622 tcnp->cn_nameptr, tcnp->cn_namelen, scred);
625 if (fvp->v_type == VDIR) {
626 if (tvp != NULL && tvp->v_type == VDIR)
632 smbfs_attr_cacheremove(fdvp);
633 smbfs_attr_cacheremove(tdvp);
635 smbfs_free_scred(scred);
644 #ifdef possible_mistake
653 * somtime it will come true...
656 smbfs_link(struct vop_link_args *ap)
662 * smbfs_symlink link create call.
663 * Sometime it will be functional...
666 smbfs_symlink(struct vop_symlink_args *ap)
672 smbfs_mknod(struct vop_mknod_args *ap)
678 smbfs_mkdir(struct vop_mkdir_args *ap)
680 struct vnode *dvp = ap->a_dvp;
681 /* struct vattr *vap = ap->a_vap;*/
683 struct componentname *cnp = ap->a_cnp;
684 struct smbnode *dnp = VTOSMB(dvp);
686 struct smb_cred *scred;
687 struct smbfattr fattr;
688 char *name = cnp->cn_nameptr;
689 int len = cnp->cn_namelen;
692 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
695 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
697 scred = smbfs_malloc_scred();
698 smb_makescred(scred, curthread, cnp->cn_cred);
699 error = smbfs_smb_mkdir(dnp, name, len, scred);
702 error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
705 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
710 smbfs_free_scred(scred);
715 * smbfs_remove directory call
718 smbfs_rmdir(struct vop_rmdir_args *ap)
720 struct vnode *vp = ap->a_vp;
721 struct vnode *dvp = ap->a_dvp;
722 struct componentname *cnp = ap->a_cnp;
723 /* struct smbmount *smp = VTOSMBFS(vp);*/
724 struct smbnode *dnp = VTOSMB(dvp);
725 struct smbnode *np = VTOSMB(vp);
726 struct smb_cred *scred;
732 scred = smbfs_malloc_scred();
733 smb_makescred(scred, curthread, cnp->cn_cred);
734 error = smbfs_smb_rmdir(np, scred);
737 dnp->n_flag |= NMODIFIED;
738 smbfs_attr_cacheremove(dvp);
739 /* cache_purge(dvp);*/
741 smbfs_free_scred(scred);
749 smbfs_readdir(struct vop_readdir_args *ap)
751 struct vnode *vp = ap->a_vp;
752 struct uio *uio = ap->a_uio;
755 if (vp->v_type != VDIR)
758 if (ap->a_ncookies) {
759 printf("smbfs_readdir: no support for cookies now...");
763 error = smbfs_readvnode(vp, uio, ap->a_cred);
769 smbfs_fsync(struct vop_fsync_args *ap)
771 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
776 int smbfs_print(struct vop_print_args *ap)
778 struct vnode *vp = ap->a_vp;
779 struct smbnode *np = VTOSMB(vp);
782 printf("no smbnode data\n");
785 printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
786 np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
791 smbfs_pathconf(struct vop_pathconf_args *ap)
793 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
794 struct smb_vc *vcp = SSTOVC(smp->sm_share);
795 long *retval = ap->a_retval;
798 switch (ap->a_name) {
799 case _PC_FILESIZEBITS:
800 if (vcp->vc_sopt.sv_caps & (SMB_CAP_LARGE_READX |
801 SMB_CAP_LARGE_WRITEX))
807 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
810 *retval = 800; /* XXX: a correct one ? */
816 error = vop_stdpathconf(ap);
822 smbfs_strategy(struct vop_strategy_args *ap)
824 struct buf *bp=ap->a_bp;
829 if (bp->b_flags & B_ASYNC)
830 td = (struct thread *)0;
832 td = curthread; /* XXX */
833 if (bp->b_iocmd == BIO_READ)
838 if ((bp->b_flags & B_ASYNC) == 0 )
839 (void)smbfs_doio(ap->a_vp, bp, cr, td);
844 smbfs_ioctl(struct vop_ioctl_args *ap)
849 static char smbfs_atl[] = "rhsvda";
851 smbfs_getextattr(struct vop_getextattr_args *ap)
853 IN struct vnode *a_vp;
855 INOUT struct uio *a_uio;
856 IN struct ucred *a_cred;
857 IN struct thread *a_td;
861 struct vnode *vp = ap->a_vp;
862 struct thread *td = ap->a_td;
863 struct ucred *cred = ap->a_cred;
864 struct uio *uio = ap->a_uio;
865 const char *name = ap->a_name;
866 struct smbnode *np = VTOSMB(vp);
871 error = VOP_ACCESS(vp, VREAD, cred, td);
874 error = VOP_GETATTR(vp, &vattr, cred);
877 if (strcmp(name, "dosattr") == 0) {
878 attr = np->n_dosattr;
879 for (i = 0; i < 6; i++, attr >>= 1)
880 buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
882 error = uiomove(buf, i, uio);
889 * Since we expected to support F_GETLK (and SMB protocol has no such function),
890 * it is necessary to use lf_advlock(). It would be nice if this function had
891 * a callback mechanism because it will help to improve a level of consistency.
894 smbfs_advlock(struct vop_advlock_args *ap)
896 struct vnode *vp = ap->a_vp;
897 struct smbnode *np = VTOSMB(vp);
898 struct flock *fl = ap->a_fl;
899 caddr_t id = (caddr_t)1 /* ap->a_id */;
900 /* int flags = ap->a_flags;*/
901 struct thread *td = curthread;
902 struct smb_cred *scred;
904 off_t start, end, oadd;
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) {
925 if (size > OFF_MAX ||
926 (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
928 start = size + fl->l_start;
943 } else if (fl->l_len == 0)
946 oadd = fl->l_len - 1;
947 if (oadd > OFF_MAX - start)
951 scred = smbfs_malloc_scred();
952 smb_makescred(scred, td, td->td_ucred);
955 switch (fl->l_type) {
957 lkop = SMB_LOCK_EXCL;
960 lkop = SMB_LOCK_SHARED;
963 lkop = SMB_LOCK_RELEASE;
966 smbfs_free_scred(scred);
969 error = lf_advlock(ap, &vp->v_lockf, size);
972 lkop = SMB_LOCK_EXCL;
973 error = smbfs_smb_lock(np, lkop, id, start, end, scred);
975 int oldtype = fl->l_type;
976 fl->l_type = F_UNLCK;
978 lf_advlock(ap, &vp->v_lockf, size);
979 fl->l_type = oldtype;
983 lf_advlock(ap, &vp->v_lockf, size);
984 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
987 error = lf_advlock(ap, &vp->v_lockf, size);
990 smbfs_free_scred(scred);
993 smbfs_free_scred(scred);
998 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1000 static const char *badchars = "*/:<>?";
1001 static const char *badchars83 = " +|,[]=;";
1006 * Backslash characters, being a path delimiter, are prohibited
1007 * within a path component even for LOOKUP operations.
1009 if (strchr(name, '\\') != NULL)
1012 if (nameiop == LOOKUP)
1015 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1017 * Name should conform 8.3 format
1020 return ENAMETOOLONG;
1021 cp = strchr(name, '.');
1024 if (cp == name || (cp - name) > 8)
1026 cp = strchr(cp + 1, '.');
1029 for (cp = name, i = 0; i < nmlen; i++, cp++)
1030 if (strchr(badchars83, *cp) != NULL)
1033 for (cp = name, i = 0; i < nmlen; i++, cp++)
1034 if (strchr(badchars, *cp) != NULL)
1040 * Things go even weird without fixed inode numbers...
1043 smbfs_lookup(struct vop_lookup_args *ap)
1045 struct componentname *cnp = ap->a_cnp;
1046 struct thread *td = curthread;
1047 struct vnode *dvp = ap->a_dvp;
1048 struct vnode **vpp = ap->a_vpp;
1050 struct smbmount *smp;
1051 struct mount *mp = dvp->v_mount;
1052 struct smbnode *dnp;
1053 struct smbfattr fattr, *fap;
1054 struct smb_cred *scred;
1055 char *name = cnp->cn_nameptr;
1056 int flags = cnp->cn_flags;
1057 int nameiop = cnp->cn_nameiop;
1058 int nmlen = cnp->cn_namelen;
1059 int error, islastcn, isdot;
1063 if (dvp->v_type != VDIR)
1065 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1066 SMBFSERR("invalid '..'\n");
1069 islastcn = flags & ISLASTCN;
1070 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1072 error = vn_dir_check_exec(dvp, cnp);
1075 smp = VFSTOSMBFS(mp);
1077 isdot = (nmlen == 1 && name[0] == '.');
1079 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1084 error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
1085 SMBVDEBUG("cache_lookup returned %d\n", error);
1088 if (error) { /* name was found */
1093 error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1095 * If the file type on the server is inconsistent
1096 * with what it was when we created the vnode,
1097 * kill the bogus vnode now and fall through to
1098 * the code below to create a new one with the
1102 ((vp->v_type == VDIR &&
1103 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1104 (vp->v_type == VREG &&
1105 (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1108 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1109 SMBVDEBUG("use cached vnode\n");
1114 * XXX This is not quite right, if '.' is
1115 * inconsistent, we really need to start the lookup
1116 * all over again. Hopefully there is some other
1117 * guarantee that prevents this case from happening.
1119 if (killit && vp != dvp)
1128 * entry is not in the cache or has been expired
1132 scred = smbfs_malloc_scred();
1133 smb_makescred(scred, td, cnp->cn_cred);
1135 if (flags & ISDOTDOT) {
1137 * In the DOTDOT case, don't go over-the-wire
1138 * in order to request attributes. We already
1139 * know it's a directory and subsequent call to
1140 * smbfs_getattr() will restore consistency.
1143 SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
1145 error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1146 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1149 error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
1150 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1152 if (error && error != ENOENT)
1154 if (error) { /* entry not found */
1156 * Handle RENAME or CREATE case...
1158 if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1159 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1162 error = EJUSTRETURN;
1168 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1171 * handle DELETE case ...
1173 if (nameiop == DELETE && islastcn) { /* delete last component */
1174 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1182 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1188 if (nameiop == RENAME && islastcn) {
1189 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1196 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1202 if (flags & ISDOTDOT) {
1204 error = vfs_busy(mp, MBF_NOWAIT);
1208 error = vfs_busy(mp, 0);
1209 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1215 if (VN_IS_DOOMED(dvp)) {
1222 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1224 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1225 if (VN_IS_DOOMED(dvp)) {
1237 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1241 SMBVDEBUG("lookup: getnewvp!\n");
1243 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1244 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1245 cache_enter(dvp, *vpp, cnp);
1248 smbfs_free_scred(scred);