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
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
27 static char *capencode(char *to, const char *from);
28 static char *capdecode(char *to, const char *from);
30 static SMB_BIG_UINT cap_disk_free(vfs_handle_struct *handle, const char *path,
31 BOOL small_query, SMB_BIG_UINT *bsize,
32 SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
35 capencode(cappath, path);
36 return SMB_VFS_NEXT_DISK_FREE(handle, cappath, small_query, bsize,
40 static SMB_STRUCT_DIR *cap_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
43 capencode(capname, fname);
44 return SMB_VFS_NEXT_OPENDIR(handle, capname, mask, attr);
47 static SMB_STRUCT_DIRENT *cap_readdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
49 SMB_STRUCT_DIRENT *result;
50 DEBUG(3,("cap: cap_readdir\n"));
51 result = SMB_VFS_NEXT_READDIR(handle, dirp);
53 DEBUG(3,("cap: cap_readdir: %s\n", result->d_name));
54 capdecode(result->d_name, result->d_name);
59 static int cap_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
62 capencode(cappath, path);
63 return SMB_VFS_NEXT_MKDIR(handle, cappath, mode);
66 static int cap_rmdir(vfs_handle_struct *handle, const char *path)
69 capencode(cappath, path);
70 return SMB_VFS_NEXT_RMDIR(handle, cappath);
73 static int cap_open(vfs_handle_struct *handle, const char *fname, files_struct *fsp, int flags, mode_t mode)
76 DEBUG(3,("cap: cap_open for %s\n", fname));
77 capencode(capname, fname);
78 return SMB_VFS_NEXT_OPEN(handle, capname, fsp, flags, mode);
81 static int cap_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
83 pstring capold, capnew;
84 capencode(capold, oldname);
85 capencode(capnew, newname);
87 return SMB_VFS_NEXT_RENAME(handle, capold, capnew);
90 static int cap_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf)
93 capencode(capname, fname);
94 return SMB_VFS_NEXT_STAT(handle, capname, sbuf);
97 static int cap_lstat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
100 capencode(cappath, path);
101 return SMB_VFS_NEXT_LSTAT(handle, cappath, sbuf);
104 static int cap_unlink(vfs_handle_struct *handle, const char *path)
107 capencode(cappath, path);
108 return SMB_VFS_NEXT_UNLINK(handle, cappath);
111 static int cap_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
114 capencode(cappath, path);
115 return SMB_VFS_NEXT_CHMOD(handle, cappath, mode);
118 static int cap_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
121 capencode(cappath, path);
122 return SMB_VFS_NEXT_CHOWN(handle, cappath, uid, gid);
125 static int cap_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
128 capencode(cappath, path);
129 return SMB_VFS_NEXT_LCHOWN(handle, cappath, uid, gid);
132 static int cap_chdir(vfs_handle_struct *handle, const char *path)
135 DEBUG(3,("cap: cap_chdir for %s\n", path));
136 capencode(cappath, path);
137 return SMB_VFS_NEXT_CHDIR(handle, cappath);
140 static int cap_ntimes(vfs_handle_struct *handle, const char *path, const struct timespec ts[2])
143 capencode(cappath, path);
144 return SMB_VFS_NEXT_NTIMES(handle, cappath, ts);
148 static BOOL cap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
150 pstring capoldpath, capnewpath;
151 capencode(capoldpath, oldpath);
152 capencode(capnewpath, newpath);
153 return SMB_VFS_NEXT_SYMLINK(handle, capoldpath, capnewpath);
156 static BOOL cap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
159 capencode(cappath, path);
160 return SMB_VFS_NEXT_READLINK(handle, cappath, buf, bufsiz);
163 static int cap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
165 pstring capoldpath, capnewpath;
166 capencode(capoldpath, oldpath);
167 capencode(capnewpath, newpath);
168 return SMB_VFS_NEXT_LINK(handle, capoldpath, capnewpath);
171 static int cap_mknod(vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev)
174 capencode(cappath, path);
175 return SMB_VFS_NEXT_MKNOD(handle, cappath, mode, dev);
178 static char *cap_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path)
180 /* monyo need capencode'ed and capdecode'ed? */
182 capencode(cappath, path);
183 return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
186 static NTSTATUS cap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor *psd)
189 capencode(capname, name);
190 return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, capname, security_info_sent, psd);
193 static int cap_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode)
196 capencode(capname, name);
198 /* If the underlying VFS doesn't have ACL support... */
199 if (!handle->vfs_next.ops.chmod_acl) {
203 return SMB_VFS_NEXT_CHMOD_ACL(handle, capname, mode);
206 static SMB_ACL_T cap_sys_acl_get_file(vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type)
209 capencode(cappath_p, path_p);
210 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, cappath_p, type);
213 static int cap_sys_acl_set_file(vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
216 capencode(capname, name);
217 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, capname, acltype, theacl);
220 static int cap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
223 capencode(cappath, path);
224 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, cappath);
227 static ssize_t cap_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
229 pstring cappath, capname;
230 capencode(cappath, path);
231 capencode(capname, name);
232 return SMB_VFS_NEXT_GETXATTR(handle, cappath, capname, value, size);
235 static ssize_t cap_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
238 pstring cappath, capname;
239 capencode(cappath, path);
240 capencode(capname, name);
241 return SMB_VFS_NEXT_LGETXATTR(handle, cappath, capname, value, size);
244 static ssize_t cap_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, void *value, size_t size)
247 capencode(capname, name);
248 return SMB_VFS_NEXT_FGETXATTR(handle, fsp, fd, capname, value, size);
251 static ssize_t cap_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
254 capencode(cappath, path);
255 return SMB_VFS_NEXT_LISTXATTR(handle, cappath, list, size);
258 static ssize_t cap_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
261 capencode(cappath, path);
262 return SMB_VFS_NEXT_LLISTXATTR(handle, cappath, list, size);
265 static int cap_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
267 pstring cappath, capname;
268 capencode(cappath, path);
269 capencode(capname, name);
270 return SMB_VFS_NEXT_REMOVEXATTR(handle, cappath, capname);
273 static int cap_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
275 pstring cappath, capname;
276 capencode(cappath, path);
277 capencode(capname, name);
278 return SMB_VFS_NEXT_LREMOVEXATTR(handle, cappath, capname);
281 static int cap_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name)
284 capencode(capname, name);
285 return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, fd, capname);
288 static int cap_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
290 pstring cappath, capname;
291 capencode(cappath, path);
292 capencode(capname, name);
293 return SMB_VFS_NEXT_SETXATTR(handle, cappath, capname, value, size, flags);
296 static int cap_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
298 pstring cappath, capname;
299 capencode(cappath, path);
300 capencode(capname, name);
301 return SMB_VFS_NEXT_LSETXATTR(handle, cappath, capname, value, size, flags);
304 static int cap_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, const void *value, size_t size, int flags)
307 capencode(capname, name);
308 return SMB_VFS_NEXT_FSETXATTR(handle, fsp, fd, capname, value, size, flags);
311 /* VFS operations structure */
313 static vfs_op_tuple cap_op_tuples[] = {
315 /* Disk operations */
317 {SMB_VFS_OP(cap_disk_free), SMB_VFS_OP_DISK_FREE, SMB_VFS_LAYER_TRANSPARENT},
319 /* Directory operations */
321 {SMB_VFS_OP(cap_opendir), SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT},
322 {SMB_VFS_OP(cap_readdir), SMB_VFS_OP_READDIR, SMB_VFS_LAYER_TRANSPARENT},
323 {SMB_VFS_OP(cap_mkdir), SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_TRANSPARENT},
324 {SMB_VFS_OP(cap_rmdir), SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_TRANSPARENT},
326 /* File operations */
328 {SMB_VFS_OP(cap_open), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_TRANSPARENT},
329 {SMB_VFS_OP(cap_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT},
330 {SMB_VFS_OP(cap_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},
331 {SMB_VFS_OP(cap_lstat), SMB_VFS_OP_LSTAT, SMB_VFS_LAYER_TRANSPARENT},
332 {SMB_VFS_OP(cap_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT},
333 {SMB_VFS_OP(cap_chmod), SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT},
334 {SMB_VFS_OP(cap_chown), SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT},
335 {SMB_VFS_OP(cap_lchown), SMB_VFS_OP_LCHOWN, SMB_VFS_LAYER_TRANSPARENT},
336 {SMB_VFS_OP(cap_chdir), SMB_VFS_OP_CHDIR, SMB_VFS_LAYER_TRANSPARENT},
337 {SMB_VFS_OP(cap_ntimes), SMB_VFS_OP_NTIMES, SMB_VFS_LAYER_TRANSPARENT},
338 {SMB_VFS_OP(cap_symlink), SMB_VFS_OP_SYMLINK, SMB_VFS_LAYER_TRANSPARENT},
339 {SMB_VFS_OP(cap_readlink), SMB_VFS_OP_READLINK, SMB_VFS_LAYER_TRANSPARENT},
340 {SMB_VFS_OP(cap_link), SMB_VFS_OP_LINK, SMB_VFS_LAYER_TRANSPARENT},
341 {SMB_VFS_OP(cap_mknod), SMB_VFS_OP_MKNOD, SMB_VFS_LAYER_TRANSPARENT},
342 {SMB_VFS_OP(cap_realpath), SMB_VFS_OP_REALPATH, SMB_VFS_LAYER_TRANSPARENT},
344 /* NT File ACL operations */
346 {SMB_VFS_OP(cap_set_nt_acl), SMB_VFS_OP_SET_NT_ACL, SMB_VFS_LAYER_TRANSPARENT},
348 /* POSIX ACL operations */
350 {SMB_VFS_OP(cap_chmod_acl), SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_TRANSPARENT},
352 {SMB_VFS_OP(cap_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE, SMB_VFS_LAYER_TRANSPARENT},
353 {SMB_VFS_OP(cap_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE, SMB_VFS_LAYER_TRANSPARENT},
354 {SMB_VFS_OP(cap_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, SMB_VFS_LAYER_TRANSPARENT},
357 {SMB_VFS_OP(cap_getxattr), SMB_VFS_OP_GETXATTR, SMB_VFS_LAYER_TRANSPARENT},
358 {SMB_VFS_OP(cap_lgetxattr), SMB_VFS_OP_LGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
359 {SMB_VFS_OP(cap_fgetxattr), SMB_VFS_OP_FGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
360 {SMB_VFS_OP(cap_listxattr), SMB_VFS_OP_LISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
361 {SMB_VFS_OP(cap_llistxattr), SMB_VFS_OP_LLISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
362 {SMB_VFS_OP(cap_removexattr), SMB_VFS_OP_REMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
363 {SMB_VFS_OP(cap_lremovexattr), SMB_VFS_OP_LREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
364 {SMB_VFS_OP(cap_fremovexattr), SMB_VFS_OP_FREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
365 {SMB_VFS_OP(cap_setxattr), SMB_VFS_OP_SETXATTR, SMB_VFS_LAYER_TRANSPARENT},
366 {SMB_VFS_OP(cap_lsetxattr), SMB_VFS_OP_LSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
367 {SMB_VFS_OP(cap_fsetxattr), SMB_VFS_OP_FSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
369 {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
372 NTSTATUS vfs_cap_init(void);
373 NTSTATUS vfs_cap_init(void)
375 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "cap", cap_op_tuples);
378 /* For CAP functions */
380 #define hex2bin(c) hex2bin_table[(unsigned char)(c)]
381 #define bin2hex(c) bin2hex_table[(unsigned char)(c)]
382 #define is_hex(s) ((s)[0] == hex_tag)
384 static unsigned char hex2bin_table[256] = {
385 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 */
386 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 */
387 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 */
388 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, /* 0x30 */
389 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x40 */
390 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
391 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 */
392 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x60 */
393 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
394 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x70 */
395 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 */
396 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 */
397 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0 */
398 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xb0 */
399 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xc0 */
400 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0 */
401 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0 */
402 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xf0 */
404 static unsigned char bin2hex_table[256] = "0123456789abcdef";
406 /*******************************************************************
407 original code -> ":xx" - CAP format
408 ********************************************************************/
409 static char *capencode(char *to, const char *from)
415 from = pstrcpy ((char *) cvtbuf, from);
418 for (out = to; *from && (out - to < sizeof(pstring)-7);) {
419 /* buffer husoku error */
420 if ((unsigned char)*from >= 0x80) {
422 *out++ = bin2hex (((*from)>>4)&0x0f);
423 *out++ = bin2hex ((*from)&0x0f);
434 /*******************************************************************
436 ********************************************************************/
437 /* ":xx" -> a byte */
438 static char *capdecode(char *to, const char *from)
444 from = pstrcpy ((char *) cvtbuf, from);
446 for (out = to; *from && (out - to < sizeof(pstring)-3);) {
448 *out++ = (hex2bin (from[1])<<4) | (hex2bin (from[2]));