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);
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, const char *fname, files_struct *fsp, int flags, mode_t mode)
111 char *cappath = capencode(talloc_tos(), fname);
117 DEBUG(3,("cap: cap_open for %s\n", fname));
118 return SMB_VFS_NEXT_OPEN(handle, cappath, fsp, flags, mode);
121 static int cap_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
123 char *capold = capencode(talloc_tos(), oldname);
124 char *capnew = capencode(talloc_tos(), newname);
126 if (!capold || !capnew) {
130 return SMB_VFS_NEXT_RENAME(handle, capold, capnew);
133 static int cap_stat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
135 char *cappath = capencode(talloc_tos(), path);
141 return SMB_VFS_NEXT_STAT(handle, cappath, sbuf);
144 static int cap_lstat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
146 char *cappath = capencode(talloc_tos(), path);
152 return SMB_VFS_NEXT_LSTAT(handle, cappath, sbuf);
155 static int cap_unlink(vfs_handle_struct *handle, const char *path)
157 char *cappath = capencode(talloc_tos(), path);
163 return SMB_VFS_NEXT_UNLINK(handle, cappath);
166 static int cap_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
168 char *cappath = capencode(talloc_tos(), path);
174 return SMB_VFS_NEXT_CHMOD(handle, cappath, mode);
177 static int cap_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
179 char *cappath = capencode(talloc_tos(), path);
185 return SMB_VFS_NEXT_CHOWN(handle, cappath, uid, gid);
188 static int cap_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
190 char *cappath = capencode(talloc_tos(), path);
196 return SMB_VFS_NEXT_LCHOWN(handle, cappath, uid, gid);
199 static int cap_chdir(vfs_handle_struct *handle, const char *path)
201 char *cappath = capencode(talloc_tos(), path);
207 DEBUG(3,("cap: cap_chdir for %s\n", path));
208 return SMB_VFS_NEXT_CHDIR(handle, cappath);
211 static int cap_ntimes(vfs_handle_struct *handle, const char *path,
212 struct smb_file_time *ft)
214 char *cappath = capencode(talloc_tos(), path);
220 return SMB_VFS_NEXT_NTIMES(handle, cappath, ft);
224 static bool cap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
226 char *capold = capencode(talloc_tos(), oldpath);
227 char *capnew = capencode(talloc_tos(), newpath);
229 if (!capold || !capnew) {
233 return SMB_VFS_NEXT_SYMLINK(handle, capold, capnew);
236 static bool cap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
238 char *cappath = capencode(talloc_tos(), path);
244 return SMB_VFS_NEXT_READLINK(handle, cappath, buf, bufsiz);
247 static int cap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
249 char *capold = capencode(talloc_tos(), oldpath);
250 char *capnew = capencode(talloc_tos(), newpath);
252 if (!capold || !capnew) {
256 return SMB_VFS_NEXT_LINK(handle, capold, capnew);
259 static int cap_mknod(vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev)
261 char *cappath = capencode(talloc_tos(), path);
267 return SMB_VFS_NEXT_MKNOD(handle, cappath, mode, dev);
270 static char *cap_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path)
272 /* monyo need capencode'ed and capdecode'ed? */
273 char *cappath = capencode(talloc_tos(), path);
279 return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
282 static int cap_chmod_acl(vfs_handle_struct *handle, const char *path, mode_t mode)
284 char *cappath = capencode(talloc_tos(), path);
286 /* If the underlying VFS doesn't have ACL support... */
287 if (!handle->vfs_next.ops.chmod_acl) {
295 return SMB_VFS_NEXT_CHMOD_ACL(handle, cappath, mode);
298 static SMB_ACL_T cap_sys_acl_get_file(vfs_handle_struct *handle, const char *path, SMB_ACL_TYPE_T type)
300 char *cappath = capencode(talloc_tos(), path);
304 return (SMB_ACL_T)NULL;
306 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, cappath, type);
309 static int cap_sys_acl_set_file(vfs_handle_struct *handle, const char *path, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
311 char *cappath = capencode(talloc_tos(), path);
317 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, cappath, acltype, theacl);
320 static int cap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
322 char *cappath = capencode(talloc_tos(), path);
328 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, cappath);
331 static ssize_t cap_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
333 char *cappath = capencode(talloc_tos(), path);
334 char *capname = capencode(talloc_tos(), name);
336 if (!cappath || !capname) {
340 return SMB_VFS_NEXT_GETXATTR(handle, cappath, capname, value, size);
343 static ssize_t cap_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
346 char *cappath = capencode(talloc_tos(), path);
347 char *capname = capencode(talloc_tos(), name);
349 if (!cappath || !capname) {
353 return SMB_VFS_NEXT_LGETXATTR(handle, cappath, capname, value, size);
356 static ssize_t cap_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *path, void *value, size_t size)
358 char *cappath = capencode(talloc_tos(), path);
364 return SMB_VFS_NEXT_FGETXATTR(handle, fsp, cappath, value, size);
367 static ssize_t cap_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
369 char *cappath = capencode(talloc_tos(), path);
375 return SMB_VFS_NEXT_LISTXATTR(handle, cappath, list, size);
378 static ssize_t cap_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
380 char *cappath = capencode(talloc_tos(), path);
386 return SMB_VFS_NEXT_LLISTXATTR(handle, cappath, list, size);
389 static int cap_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
391 char *cappath = capencode(talloc_tos(), path);
392 char *capname = capencode(talloc_tos(), name);
394 if (!cappath || !capname) {
398 return SMB_VFS_NEXT_REMOVEXATTR(handle, cappath, capname);
401 static int cap_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
403 char *cappath = capencode(talloc_tos(), path);
404 char *capname = capencode(talloc_tos(), name);
406 if (!cappath || !capname) {
410 return SMB_VFS_NEXT_LREMOVEXATTR(handle, cappath, capname);
413 static int cap_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *path)
415 char *cappath = capencode(talloc_tos(), path);
421 return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, cappath);
424 static int cap_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
426 char *cappath = capencode(talloc_tos(), path);
427 char *capname = capencode(talloc_tos(), name);
429 if (!cappath || !capname) {
433 return SMB_VFS_NEXT_SETXATTR(handle, cappath, capname, value, size, flags);
436 static int cap_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
438 char *cappath = capencode(talloc_tos(), path);
439 char *capname = capencode(talloc_tos(), name);
441 if (!cappath || !capname) {
445 return SMB_VFS_NEXT_LSETXATTR(handle, cappath, capname, value, size, flags);
448 static int cap_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *path, const void *value, size_t size, int flags)
450 char *cappath = capencode(talloc_tos(), path);
456 return SMB_VFS_NEXT_FSETXATTR(handle, fsp, cappath, value, size, flags);
459 /* VFS operations structure */
461 static vfs_op_tuple cap_op_tuples[] = {
463 /* Disk operations */
465 {SMB_VFS_OP(cap_disk_free), SMB_VFS_OP_DISK_FREE, SMB_VFS_LAYER_TRANSPARENT},
467 /* Directory operations */
469 {SMB_VFS_OP(cap_opendir), SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT},
470 {SMB_VFS_OP(cap_readdir), SMB_VFS_OP_READDIR, SMB_VFS_LAYER_TRANSPARENT},
471 {SMB_VFS_OP(cap_mkdir), SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_TRANSPARENT},
472 {SMB_VFS_OP(cap_rmdir), SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_TRANSPARENT},
474 /* File operations */
476 {SMB_VFS_OP(cap_open), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_TRANSPARENT},
477 {SMB_VFS_OP(cap_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT},
478 {SMB_VFS_OP(cap_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},
479 {SMB_VFS_OP(cap_lstat), SMB_VFS_OP_LSTAT, SMB_VFS_LAYER_TRANSPARENT},
480 {SMB_VFS_OP(cap_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT},
481 {SMB_VFS_OP(cap_chmod), SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT},
482 {SMB_VFS_OP(cap_chown), SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT},
483 {SMB_VFS_OP(cap_lchown), SMB_VFS_OP_LCHOWN, SMB_VFS_LAYER_TRANSPARENT},
484 {SMB_VFS_OP(cap_chdir), SMB_VFS_OP_CHDIR, SMB_VFS_LAYER_TRANSPARENT},
485 {SMB_VFS_OP(cap_ntimes), SMB_VFS_OP_NTIMES, SMB_VFS_LAYER_TRANSPARENT},
486 {SMB_VFS_OP(cap_symlink), SMB_VFS_OP_SYMLINK, SMB_VFS_LAYER_TRANSPARENT},
487 {SMB_VFS_OP(cap_readlink), SMB_VFS_OP_READLINK, SMB_VFS_LAYER_TRANSPARENT},
488 {SMB_VFS_OP(cap_link), SMB_VFS_OP_LINK, SMB_VFS_LAYER_TRANSPARENT},
489 {SMB_VFS_OP(cap_mknod), SMB_VFS_OP_MKNOD, SMB_VFS_LAYER_TRANSPARENT},
490 {SMB_VFS_OP(cap_realpath), SMB_VFS_OP_REALPATH, SMB_VFS_LAYER_TRANSPARENT},
492 /* POSIX ACL operations */
494 {SMB_VFS_OP(cap_chmod_acl), SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_TRANSPARENT},
496 {SMB_VFS_OP(cap_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE, SMB_VFS_LAYER_TRANSPARENT},
497 {SMB_VFS_OP(cap_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE, SMB_VFS_LAYER_TRANSPARENT},
498 {SMB_VFS_OP(cap_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, SMB_VFS_LAYER_TRANSPARENT},
501 {SMB_VFS_OP(cap_getxattr), SMB_VFS_OP_GETXATTR, SMB_VFS_LAYER_TRANSPARENT},
502 {SMB_VFS_OP(cap_lgetxattr), SMB_VFS_OP_LGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
503 {SMB_VFS_OP(cap_fgetxattr), SMB_VFS_OP_FGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
504 {SMB_VFS_OP(cap_listxattr), SMB_VFS_OP_LISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
505 {SMB_VFS_OP(cap_llistxattr), SMB_VFS_OP_LLISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
506 {SMB_VFS_OP(cap_removexattr), SMB_VFS_OP_REMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
507 {SMB_VFS_OP(cap_lremovexattr), SMB_VFS_OP_LREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
508 {SMB_VFS_OP(cap_fremovexattr), SMB_VFS_OP_FREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
509 {SMB_VFS_OP(cap_setxattr), SMB_VFS_OP_SETXATTR, SMB_VFS_LAYER_TRANSPARENT},
510 {SMB_VFS_OP(cap_lsetxattr), SMB_VFS_OP_LSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
511 {SMB_VFS_OP(cap_fsetxattr), SMB_VFS_OP_FSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
513 {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
516 NTSTATUS vfs_cap_init(void);
517 NTSTATUS vfs_cap_init(void)
519 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "cap", cap_op_tuples);
522 /* For CAP functions */
524 #define hex2bin(c) hex2bin_table[(unsigned char)(c)]
525 #define bin2hex(c) bin2hex_table[(unsigned char)(c)]
526 #define is_hex(s) ((s)[0] == hex_tag)
528 static unsigned char hex2bin_table[256] = {
529 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 */
530 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 */
531 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 */
532 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, /* 0x30 */
533 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x40 */
534 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
535 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 */
536 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x60 */
537 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
538 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x70 */
539 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 */
540 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 */
541 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0 */
542 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xb0 */
543 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xc0 */
544 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0 */
545 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0 */
546 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xf0 */
548 static unsigned char bin2hex_table[256] = "0123456789abcdef";
550 /*******************************************************************
551 original code -> ":xx" - CAP format
552 ********************************************************************/
554 static char *capencode(TALLOC_CTX *ctx, const char *from)
561 for (p1 = from; *p1; p1++) {
562 if ((unsigned char)*p1 >= 0x80) {
570 to = TALLOC_ARRAY(ctx, char, len);
575 for (out = to; *from;) {
576 /* buffer husoku error */
577 if ((unsigned char)*from >= 0x80) {
579 *out++ = bin2hex (((*from)>>4)&0x0f);
580 *out++ = bin2hex ((*from)&0x0f);
590 /*******************************************************************
592 ********************************************************************/
593 /* ":xx" -> a byte */
595 static char *capdecode(TALLOC_CTX *ctx, const char *from)
602 for (p1 = from; *p1; len++) {
610 to = TALLOC_ARRAY(ctx, char, len);
615 for (out = to; *from;) {
617 *out++ = (hex2bin(from[1])<<4) | (hex2bin(from[2]));