2 * CAP VFS module for Samba 3.x Version 0.3
4 * Copyright (C) Tim Potter, 1999-2000
5 * Copyright (C) Alexander Bokovoy, 2002-2003
6 * Copyright (C) Stefan (metze) Metzmacher, 2003
7 * Copyright (C) TAKAHASHI Motonobu (monyo), 2003
8 * Copyright (C) Jeremy Allison, 2007
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, see <http://www.gnu.org/licenses/>.
28 static char *capencode(TALLOC_CTX *ctx, const char *from);
29 static char *capdecode(TALLOC_CTX *ctx, const char *from);
31 static uint64_t cap_disk_free(vfs_handle_struct *handle, const char *path,
32 bool small_query, uint64_t *bsize,
33 uint64_t *dfree, uint64_t *dsize)
35 char *cappath = capencode(talloc_tos(), path);
41 return SMB_VFS_NEXT_DISK_FREE(handle, cappath, small_query, bsize,
45 static SMB_STRUCT_DIR *cap_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
47 char *capname = capencode(talloc_tos(), fname);
53 return SMB_VFS_NEXT_OPENDIR(handle, capname, mask, attr);
56 static SMB_STRUCT_DIRENT *cap_readdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
58 SMB_STRUCT_DIRENT *result;
59 SMB_STRUCT_DIRENT *newdirent;
62 DEBUG(3,("cap: cap_readdir\n"));
64 result = SMB_VFS_NEXT_READDIR(handle, dirp, NULL);
69 newname = capdecode(talloc_tos(), result->d_name);
73 DEBUG(3,("cap: cap_readdir: %s\n", newname));
74 newnamelen = strlen(newname)+1;
75 newdirent = (SMB_STRUCT_DIRENT *)TALLOC_ARRAY(talloc_tos(),
77 sizeof(SMB_STRUCT_DIRENT)+
82 memcpy(newdirent, result, sizeof(SMB_STRUCT_DIRENT));
83 memcpy(&newdirent->d_name, newname, newnamelen);
87 static int cap_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
89 char *cappath = capencode(talloc_tos(), path);
95 return SMB_VFS_NEXT_MKDIR(handle, cappath, mode);
98 static int cap_rmdir(vfs_handle_struct *handle, const char *path)
100 char *cappath = capencode(talloc_tos(), path);
106 return SMB_VFS_NEXT_RMDIR(handle, cappath);
109 static int cap_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
110 files_struct *fsp, int flags, mode_t mode)
113 char *tmp_base_name = NULL;
116 cappath = capencode(talloc_tos(), smb_fname->base_name);
123 tmp_base_name = smb_fname->base_name;
124 smb_fname->base_name = cappath;
126 DEBUG(3,("cap: cap_open for %s\n", smb_fname_str_dbg(smb_fname)));
127 ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
129 smb_fname->base_name = tmp_base_name;
130 TALLOC_FREE(cappath);
135 static int cap_rename(vfs_handle_struct *handle,
136 const struct smb_filename *smb_fname_src,
137 const struct smb_filename *smb_fname_dst)
141 struct smb_filename *smb_fname_src_tmp = NULL;
142 struct smb_filename *smb_fname_dst_tmp = NULL;
146 capold = capencode(talloc_tos(), smb_fname_src->base_name);
147 capnew = capencode(talloc_tos(), smb_fname_dst->base_name);
148 if (!capold || !capnew) {
153 /* Setup temporary smb_filename structs. */
154 status = copy_smb_filename(talloc_tos(), smb_fname_src,
156 if (!NT_STATUS_IS_OK(status)) {
157 errno = map_errno_from_nt_status(status);
160 status = copy_smb_filename(talloc_tos(), smb_fname_dst,
162 if (!NT_STATUS_IS_OK(status)) {
163 errno = map_errno_from_nt_status(status);
167 smb_fname_src_tmp->base_name = capold;
168 smb_fname_dst_tmp->base_name = capnew;
170 ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src_tmp,
175 TALLOC_FREE(smb_fname_src_tmp);
176 TALLOC_FREE(smb_fname_dst_tmp);
181 static int cap_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
184 char *tmp_base_name = NULL;
187 cappath = capencode(talloc_tos(), smb_fname->base_name);
194 tmp_base_name = smb_fname->base_name;
195 smb_fname->base_name = cappath;
197 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
199 smb_fname->base_name = tmp_base_name;
200 TALLOC_FREE(cappath);
205 static int cap_lstat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
208 char *tmp_base_name = NULL;
211 cappath = capencode(talloc_tos(), smb_fname->base_name);
218 tmp_base_name = smb_fname->base_name;
219 smb_fname->base_name = cappath;
221 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
223 smb_fname->base_name = tmp_base_name;
224 TALLOC_FREE(cappath);
229 static int cap_unlink(vfs_handle_struct *handle,
230 const struct smb_filename *smb_fname)
232 struct smb_filename *smb_fname_tmp = NULL;
233 char *cappath = NULL;
237 cappath = capencode(talloc_tos(), smb_fname->base_name);
243 /* Setup temporary smb_filename structs. */
244 status = copy_smb_filename(talloc_tos(), smb_fname,
246 if (!NT_STATUS_IS_OK(status)) {
247 errno = map_errno_from_nt_status(status);
251 smb_fname_tmp->base_name = cappath;
253 ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname_tmp);
255 TALLOC_FREE(smb_fname_tmp);
259 static int cap_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
261 char *cappath = capencode(talloc_tos(), path);
267 return SMB_VFS_NEXT_CHMOD(handle, cappath, mode);
270 static int cap_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
272 char *cappath = capencode(talloc_tos(), path);
278 return SMB_VFS_NEXT_CHOWN(handle, cappath, uid, gid);
281 static int cap_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
283 char *cappath = capencode(talloc_tos(), path);
289 return SMB_VFS_NEXT_LCHOWN(handle, cappath, uid, gid);
292 static int cap_chdir(vfs_handle_struct *handle, const char *path)
294 char *cappath = capencode(talloc_tos(), path);
300 DEBUG(3,("cap: cap_chdir for %s\n", path));
301 return SMB_VFS_NEXT_CHDIR(handle, cappath);
304 static int cap_ntimes(vfs_handle_struct *handle,
305 const struct smb_filename *smb_fname,
306 struct smb_file_time *ft)
308 struct smb_filename *smb_fname_tmp = NULL;
309 char *cappath = NULL;
313 cappath = capencode(talloc_tos(), smb_fname->base_name);
320 /* Setup temporary smb_filename structs. */
321 status = copy_smb_filename(talloc_tos(), smb_fname,
323 if (!NT_STATUS_IS_OK(status)) {
324 errno = map_errno_from_nt_status(status);
328 smb_fname_tmp->base_name = cappath;
330 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname_tmp, ft);
332 TALLOC_FREE(smb_fname_tmp);
337 static bool cap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
339 char *capold = capencode(talloc_tos(), oldpath);
340 char *capnew = capencode(talloc_tos(), newpath);
342 if (!capold || !capnew) {
346 return SMB_VFS_NEXT_SYMLINK(handle, capold, capnew);
349 static bool cap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
351 char *cappath = capencode(talloc_tos(), path);
357 return SMB_VFS_NEXT_READLINK(handle, cappath, buf, bufsiz);
360 static int cap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
362 char *capold = capencode(talloc_tos(), oldpath);
363 char *capnew = capencode(talloc_tos(), newpath);
365 if (!capold || !capnew) {
369 return SMB_VFS_NEXT_LINK(handle, capold, capnew);
372 static int cap_mknod(vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev)
374 char *cappath = capencode(talloc_tos(), path);
380 return SMB_VFS_NEXT_MKNOD(handle, cappath, mode, dev);
383 static char *cap_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path)
385 /* monyo need capencode'ed and capdecode'ed? */
386 char *cappath = capencode(talloc_tos(), path);
392 return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
395 static int cap_chmod_acl(vfs_handle_struct *handle, const char *path, mode_t mode)
397 char *cappath = capencode(talloc_tos(), path);
399 /* If the underlying VFS doesn't have ACL support... */
400 if (!handle->vfs_next.ops.chmod_acl) {
408 return SMB_VFS_NEXT_CHMOD_ACL(handle, cappath, mode);
411 static SMB_ACL_T cap_sys_acl_get_file(vfs_handle_struct *handle, const char *path, SMB_ACL_TYPE_T type)
413 char *cappath = capencode(talloc_tos(), path);
417 return (SMB_ACL_T)NULL;
419 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, cappath, type);
422 static int cap_sys_acl_set_file(vfs_handle_struct *handle, const char *path, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
424 char *cappath = capencode(talloc_tos(), path);
430 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, cappath, acltype, theacl);
433 static int cap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
435 char *cappath = capencode(talloc_tos(), path);
441 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, cappath);
444 static ssize_t cap_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
446 char *cappath = capencode(talloc_tos(), path);
447 char *capname = capencode(talloc_tos(), name);
449 if (!cappath || !capname) {
453 return SMB_VFS_NEXT_GETXATTR(handle, cappath, capname, value, size);
456 static ssize_t cap_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
459 char *cappath = capencode(talloc_tos(), path);
460 char *capname = capencode(talloc_tos(), name);
462 if (!cappath || !capname) {
466 return SMB_VFS_NEXT_LGETXATTR(handle, cappath, capname, value, size);
469 static ssize_t cap_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *path, void *value, size_t size)
471 char *cappath = capencode(talloc_tos(), path);
477 return SMB_VFS_NEXT_FGETXATTR(handle, fsp, cappath, value, size);
480 static ssize_t cap_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
482 char *cappath = capencode(talloc_tos(), path);
488 return SMB_VFS_NEXT_LISTXATTR(handle, cappath, list, size);
491 static ssize_t cap_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
493 char *cappath = capencode(talloc_tos(), path);
499 return SMB_VFS_NEXT_LLISTXATTR(handle, cappath, list, size);
502 static int cap_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
504 char *cappath = capencode(talloc_tos(), path);
505 char *capname = capencode(talloc_tos(), name);
507 if (!cappath || !capname) {
511 return SMB_VFS_NEXT_REMOVEXATTR(handle, cappath, capname);
514 static int cap_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
516 char *cappath = capencode(talloc_tos(), path);
517 char *capname = capencode(talloc_tos(), name);
519 if (!cappath || !capname) {
523 return SMB_VFS_NEXT_LREMOVEXATTR(handle, cappath, capname);
526 static int cap_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *path)
528 char *cappath = capencode(talloc_tos(), path);
534 return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, cappath);
537 static int cap_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
539 char *cappath = capencode(talloc_tos(), path);
540 char *capname = capencode(talloc_tos(), name);
542 if (!cappath || !capname) {
546 return SMB_VFS_NEXT_SETXATTR(handle, cappath, capname, value, size, flags);
549 static int cap_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
551 char *cappath = capencode(talloc_tos(), path);
552 char *capname = capencode(talloc_tos(), name);
554 if (!cappath || !capname) {
558 return SMB_VFS_NEXT_LSETXATTR(handle, cappath, capname, value, size, flags);
561 static int cap_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *path, const void *value, size_t size, int flags)
563 char *cappath = capencode(talloc_tos(), path);
569 return SMB_VFS_NEXT_FSETXATTR(handle, fsp, cappath, value, size, flags);
572 /* VFS operations structure */
574 static vfs_op_tuple cap_op_tuples[] = {
576 /* Disk operations */
578 {SMB_VFS_OP(cap_disk_free), SMB_VFS_OP_DISK_FREE, SMB_VFS_LAYER_TRANSPARENT},
580 /* Directory operations */
582 {SMB_VFS_OP(cap_opendir), SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT},
583 {SMB_VFS_OP(cap_readdir), SMB_VFS_OP_READDIR, SMB_VFS_LAYER_TRANSPARENT},
584 {SMB_VFS_OP(cap_mkdir), SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_TRANSPARENT},
585 {SMB_VFS_OP(cap_rmdir), SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_TRANSPARENT},
587 /* File operations */
589 {SMB_VFS_OP(cap_open), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_TRANSPARENT},
590 {SMB_VFS_OP(cap_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT},
591 {SMB_VFS_OP(cap_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},
592 {SMB_VFS_OP(cap_lstat), SMB_VFS_OP_LSTAT, SMB_VFS_LAYER_TRANSPARENT},
593 {SMB_VFS_OP(cap_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT},
594 {SMB_VFS_OP(cap_chmod), SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT},
595 {SMB_VFS_OP(cap_chown), SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT},
596 {SMB_VFS_OP(cap_lchown), SMB_VFS_OP_LCHOWN, SMB_VFS_LAYER_TRANSPARENT},
597 {SMB_VFS_OP(cap_chdir), SMB_VFS_OP_CHDIR, SMB_VFS_LAYER_TRANSPARENT},
598 {SMB_VFS_OP(cap_ntimes), SMB_VFS_OP_NTIMES, SMB_VFS_LAYER_TRANSPARENT},
599 {SMB_VFS_OP(cap_symlink), SMB_VFS_OP_SYMLINK, SMB_VFS_LAYER_TRANSPARENT},
600 {SMB_VFS_OP(cap_readlink), SMB_VFS_OP_READLINK, SMB_VFS_LAYER_TRANSPARENT},
601 {SMB_VFS_OP(cap_link), SMB_VFS_OP_LINK, SMB_VFS_LAYER_TRANSPARENT},
602 {SMB_VFS_OP(cap_mknod), SMB_VFS_OP_MKNOD, SMB_VFS_LAYER_TRANSPARENT},
603 {SMB_VFS_OP(cap_realpath), SMB_VFS_OP_REALPATH, SMB_VFS_LAYER_TRANSPARENT},
605 /* POSIX ACL operations */
607 {SMB_VFS_OP(cap_chmod_acl), SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_TRANSPARENT},
609 {SMB_VFS_OP(cap_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE, SMB_VFS_LAYER_TRANSPARENT},
610 {SMB_VFS_OP(cap_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE, SMB_VFS_LAYER_TRANSPARENT},
611 {SMB_VFS_OP(cap_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, SMB_VFS_LAYER_TRANSPARENT},
614 {SMB_VFS_OP(cap_getxattr), SMB_VFS_OP_GETXATTR, SMB_VFS_LAYER_TRANSPARENT},
615 {SMB_VFS_OP(cap_lgetxattr), SMB_VFS_OP_LGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
616 {SMB_VFS_OP(cap_fgetxattr), SMB_VFS_OP_FGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
617 {SMB_VFS_OP(cap_listxattr), SMB_VFS_OP_LISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
618 {SMB_VFS_OP(cap_llistxattr), SMB_VFS_OP_LLISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
619 {SMB_VFS_OP(cap_removexattr), SMB_VFS_OP_REMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
620 {SMB_VFS_OP(cap_lremovexattr), SMB_VFS_OP_LREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
621 {SMB_VFS_OP(cap_fremovexattr), SMB_VFS_OP_FREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
622 {SMB_VFS_OP(cap_setxattr), SMB_VFS_OP_SETXATTR, SMB_VFS_LAYER_TRANSPARENT},
623 {SMB_VFS_OP(cap_lsetxattr), SMB_VFS_OP_LSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
624 {SMB_VFS_OP(cap_fsetxattr), SMB_VFS_OP_FSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
626 {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
629 NTSTATUS vfs_cap_init(void);
630 NTSTATUS vfs_cap_init(void)
632 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "cap", cap_op_tuples);
635 /* For CAP functions */
637 #define hex2bin(c) hex2bin_table[(unsigned char)(c)]
638 #define bin2hex(c) bin2hex_table[(unsigned char)(c)]
639 #define is_hex(s) ((s)[0] == hex_tag)
641 static unsigned char hex2bin_table[256] = {
642 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 */
643 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 */
644 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 */
645 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, /* 0x30 */
646 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x40 */
647 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
648 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 */
649 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x60 */
650 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
651 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x70 */
652 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 */
653 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 */
654 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0 */
655 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xb0 */
656 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xc0 */
657 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0 */
658 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0 */
659 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xf0 */
661 static unsigned char bin2hex_table[256] = "0123456789abcdef";
663 /*******************************************************************
664 original code -> ":xx" - CAP format
665 ********************************************************************/
667 static char *capencode(TALLOC_CTX *ctx, const char *from)
674 for (p1 = from; *p1; p1++) {
675 if ((unsigned char)*p1 >= 0x80) {
683 to = TALLOC_ARRAY(ctx, char, len);
688 for (out = to; *from;) {
689 /* buffer husoku error */
690 if ((unsigned char)*from >= 0x80) {
692 *out++ = bin2hex (((*from)>>4)&0x0f);
693 *out++ = bin2hex ((*from)&0x0f);
703 /*******************************************************************
705 ********************************************************************/
706 /* ":xx" -> a byte */
708 static char *capdecode(TALLOC_CTX *ctx, const char *from)
715 for (p1 = from; *p1; len++) {
723 to = TALLOC_ARRAY(ctx, char, len);
728 for (out = to; *from;) {
730 *out++ = (hex2bin(from[1])<<4) | (hex2bin(from[2]));