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 2 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, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 static char *capencode(char *to, const char *from);
29 static char *capdecode(char *to, const char *from);
31 static SMB_BIG_UINT skel_disk_free(vfs_handle_struct *handle, connection_struct *conn, const char *path,
32 BOOL small_query, SMB_BIG_UINT *bsize,
33 SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
36 capencode(cappath, path);
37 return SMB_VFS_NEXT_DISK_FREE(handle, conn, cappath, small_query, bsize,
41 static int skel_set_quota(vfs_handle_struct *handle, connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
43 return SMB_VFS_NEXT_SET_QUOTA(handle, conn, qtype, id, dq);
46 static DIR *cap_opendir(vfs_handle_struct *handle, connection_struct *conn, const char *fname)
49 capencode(capname, fname);
50 return SMB_VFS_NEXT_OPENDIR(handle, conn, capname);
53 static struct dirent *cap_readdir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp)
55 struct dirent *result;
56 DEBUG(3,("cap: cap_readdir\n"));
57 result = SMB_VFS_NEXT_READDIR(handle, conn, dirp);
59 DEBUG(3,("cap: cap_readdir: %s\n", result->d_name));
60 capdecode(result->d_name, result->d_name);
65 static int cap_mkdir(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
68 capencode(cappath, path);
69 return SMB_VFS_NEXT_MKDIR(handle, conn, cappath, mode);
72 static int cap_rmdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
75 capencode(cappath, path);
76 return SMB_VFS_NEXT_RMDIR(handle, conn, cappath);
79 static int cap_open(vfs_handle_struct *handle, connection_struct *conn, const char *fname, int flags, mode_t mode)
82 DEBUG(3,("cap: cap_open for %s\n", fname));
83 capencode(capname, fname);
84 return SMB_VFS_NEXT_OPEN(handle, conn, capname, flags, mode);
87 static int cap_rename(vfs_handle_struct *handle, connection_struct *conn, const char *old, const char *new)
89 pstring capold, capnew;
90 capencode(capold, old);
91 capencode(capnew, new);
93 return SMB_VFS_NEXT_RENAME(handle, conn, capold, capnew);
96 static int cap_stat(vfs_handle_struct *handle, connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
99 capencode(capname, fname);
100 return SMB_VFS_NEXT_STAT(handle, conn, capname, sbuf);
103 static int skel_lstat(vfs_handle_struct *handle, connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf)
106 capencode(cappath, path);
107 return SMB_VFS_NEXT_LSTAT(handle, conn, cappath, sbuf);
110 static int skel_unlink(vfs_handle_struct *handle, connection_struct *conn, const char *path)
113 capencode(cappath, path);
114 return SMB_VFS_NEXT_UNLINK(handle, conn, cappath);
117 static int cap_chmod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
120 capencode(cappath, path);
121 return SMB_VFS_NEXT_CHMOD(handle, conn, cappath, mode);
124 static int cap_chown(vfs_handle_struct *handle, connection_struct *conn, const char *path, uid_t uid, gid_t gid)
127 capencode(cappath, path);
128 return SMB_VFS_NEXT_CHOWN(handle, conn, cappath, uid, gid);
131 static int cap_chdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
134 DEBUG(3,("cap: cap_chdir for %s\n", path));
135 capencode(cappath, path);
136 return SMB_VFS_NEXT_CHDIR(handle, conn, cappath);
139 static int skel_utime(vfs_handle_struct *handle, connection_struct *conn, const char *path, struct utimbuf *times)
142 capencode(cappath, path);
143 return SMB_VFS_NEXT_UTIME(handle, conn, cappath, times);
147 static BOOL skel_symlink(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
149 pstring capoldpath, capnewpath;
150 capencode(capoldpath, oldpath);
151 capencode(capnewpath, newpath);
152 return SMB_VFS_NEXT_SYMLINK(handle, conn, capoldpath, capnewpath);
155 static BOOL skel_readlink(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *buf, size_t bufsiz)
158 capencode(cappath, path);
159 return SMB_VFS_NEXT_READLINK(handle, conn, cappath, buf, bufsiz);
162 static int skel_link(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
164 pstring capoldpath, capnewpath;
165 capencode(capoldpath, oldpath);
166 capencode(capnewpath, newpath);
167 return SMB_VFS_NEXT_LINK(handle, conn, capoldpath, capnewpath);
170 static int skel_mknod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev)
173 capencode(cappath, path);
174 return SMB_VFS_NEXT_MKNOD(handle, conn, cappath, mode, dev);
177 static char *skel_realpath(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *resolved_path)
179 /* monyo need capencode'ed and capdecode'ed? */
181 capencode(cappath, path);
182 return SMB_VFS_NEXT_REALPATH(handle, conn, path, resolved_path);
185 static BOOL skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd)
188 capencode(capname, name);
189 return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, capname, security_info_sent, psd);
192 static int skel_chmod_acl(vfs_handle_struct *handle, connection_struct *conn, const char *name, mode_t mode)
195 capencode(capname, name);
197 /* If the underlying VFS doesn't have ACL support... */
198 if (!handle->vfs_next.ops.chmod_acl) {
202 return SMB_VFS_NEXT_CHMOD_ACL(handle, conn, capname, mode);
205 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle, connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type)
208 capencode(cappath_p, path_p);
209 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, conn, cappath_p, type);
212 static int skel_sys_acl_set_file(vfs_handle_struct *handle, connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
215 capencode(capname, name);
216 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, conn, capname, acltype, theacl);
219 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle, connection_struct *conn, const char *path)
222 capencode(cappath, path);
223 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, conn, cappath);
226 static ssize_t skel_getxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, void *value, size_t size)
228 pstring cappath, capname;
229 capencode(cappath, path);
230 capencode(capname, name);
231 return SMB_VFS_NEXT_GETXATTR(handle, conn, cappath, capname, value, size);
234 static ssize_t skel_lgetxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, void *value, size_t
237 pstring cappath, capname;
238 capencode(cappath, path);
239 capencode(capname, name);
240 return SMB_VFS_NEXT_LGETXATTR(handle, conn, cappath, capname, value, size);
243 static ssize_t skel_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, void *value, size_t size)
246 capencode(capname, name);
247 return SMB_VFS_NEXT_FGETXATTR(handle, fsp, fd, capname, value, size);
250 static ssize_t skel_listxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, char *list, size_t size)
253 capencode(cappath, path);
254 return SMB_VFS_NEXT_LISTXATTR(handle, conn, cappath, list, size);
257 static ssize_t skel_llistxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, char *list, size_t size)
260 capencode(cappath, path);
261 return SMB_VFS_NEXT_LLISTXATTR(handle, conn, cappath, list, size);
264 static int skel_removexattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name)
266 pstring cappath, capname;
267 capencode(cappath, path);
268 capencode(capname, name);
269 return SMB_VFS_NEXT_REMOVEXATTR(handle, conn, cappath, capname);
272 static int skel_lremovexattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name)
274 pstring cappath, capname;
275 capencode(cappath, path);
276 capencode(capname, name);
277 return SMB_VFS_NEXT_LREMOVEXATTR(handle, conn, cappath, capname);
280 static int skel_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name)
283 capencode(capname, name);
284 return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, fd, capname);
287 static int skel_setxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, const void *value, size_t size, int flags)
289 pstring cappath, capname;
290 capencode(cappath, path);
291 capencode(capname, name);
292 return SMB_VFS_NEXT_SETXATTR(handle, conn, cappath, capname, value, size, flags);
295 static int skel_lsetxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, const void *value, size_t size, int flags)
297 pstring cappath, capname;
298 capencode(cappath, path);
299 capencode(capname, name);
300 return SMB_VFS_NEXT_LSETXATTR(handle, conn, cappath, capname, value, size, flags);
303 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, const void *value, size_t size, int flags)
306 capencode(capname, name);
307 return SMB_VFS_NEXT_FSETXATTR(handle, fsp, fd, capname, value, size, flags);
310 /* VFS operations structure */
312 static vfs_op_tuple cap_op_tuples[] = {
314 /* Disk operations */
316 {SMB_VFS_OP(skel_disk_free), SMB_VFS_OP_DISK_FREE, SMB_VFS_LAYER_TRANSPARENT},
318 /* Directory operations */
320 {SMB_VFS_OP(cap_opendir), SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT},
321 {SMB_VFS_OP(cap_readdir), SMB_VFS_OP_READDIR, SMB_VFS_LAYER_TRANSPARENT},
322 {SMB_VFS_OP(cap_mkdir), SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_TRANSPARENT},
323 {SMB_VFS_OP(cap_rmdir), SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_TRANSPARENT},
325 /* File operations */
327 {SMB_VFS_OP(cap_open), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_TRANSPARENT},
328 {SMB_VFS_OP(cap_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT},
329 {SMB_VFS_OP(cap_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},
330 {SMB_VFS_OP(skel_lstat), SMB_VFS_OP_LSTAT, SMB_VFS_LAYER_TRANSPARENT},
331 {SMB_VFS_OP(skel_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT},
332 {SMB_VFS_OP(cap_chmod), SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT},
333 {SMB_VFS_OP(cap_chown), SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT},
334 {SMB_VFS_OP(cap_chdir), SMB_VFS_OP_CHDIR, SMB_VFS_LAYER_TRANSPARENT},
335 {SMB_VFS_OP(skel_utime), SMB_VFS_OP_UTIME, SMB_VFS_LAYER_TRANSPARENT},
336 {SMB_VFS_OP(skel_symlink), SMB_VFS_OP_SYMLINK, SMB_VFS_LAYER_TRANSPARENT},
337 {SMB_VFS_OP(skel_readlink), SMB_VFS_OP_READLINK, SMB_VFS_LAYER_TRANSPARENT},
338 {SMB_VFS_OP(skel_link), SMB_VFS_OP_LINK, SMB_VFS_LAYER_TRANSPARENT},
339 {SMB_VFS_OP(skel_mknod), SMB_VFS_OP_MKNOD, SMB_VFS_LAYER_TRANSPARENT},
340 {SMB_VFS_OP(skel_realpath), SMB_VFS_OP_REALPATH, SMB_VFS_LAYER_TRANSPARENT},
342 /* NT File ACL operations */
344 {SMB_VFS_OP(skel_set_nt_acl), SMB_VFS_OP_SET_NT_ACL, SMB_VFS_LAYER_TRANSPARENT},
346 /* POSIX ACL operations */
348 {SMB_VFS_OP(skel_chmod_acl), SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_TRANSPARENT},
350 {SMB_VFS_OP(skel_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE, SMB_VFS_LAYER_TRANSPARENT},
351 {SMB_VFS_OP(skel_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE, SMB_VFS_LAYER_TRANSPARENT},
352 {SMB_VFS_OP(skel_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, SMB_VFS_LAYER_TRANSPARENT},
355 {SMB_VFS_OP(skel_getxattr), SMB_VFS_OP_GETXATTR, SMB_VFS_LAYER_TRANSPARENT},
356 {SMB_VFS_OP(skel_lgetxattr), SMB_VFS_OP_LGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
357 {SMB_VFS_OP(skel_fgetxattr), SMB_VFS_OP_FGETXATTR, SMB_VFS_LAYER_TRANSPARENT},
358 {SMB_VFS_OP(skel_listxattr), SMB_VFS_OP_LISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
359 {SMB_VFS_OP(skel_llistxattr), SMB_VFS_OP_LLISTXATTR, SMB_VFS_LAYER_TRANSPARENT},
360 {SMB_VFS_OP(skel_removexattr), SMB_VFS_OP_REMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
361 {SMB_VFS_OP(skel_lremovexattr), SMB_VFS_OP_LREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
362 {SMB_VFS_OP(skel_fremovexattr), SMB_VFS_OP_FREMOVEXATTR, SMB_VFS_LAYER_TRANSPARENT},
363 {SMB_VFS_OP(skel_setxattr), SMB_VFS_OP_SETXATTR, SMB_VFS_LAYER_TRANSPARENT},
364 {SMB_VFS_OP(skel_lsetxattr), SMB_VFS_OP_LSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
365 {SMB_VFS_OP(skel_fsetxattr), SMB_VFS_OP_FSETXATTR, SMB_VFS_LAYER_TRANSPARENT},
367 {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
370 NTSTATUS vfs_cap_init(void)
372 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "cap", cap_op_tuples);
375 /* For CAP functions */
377 #define hex2bin(c) hex2bin_table[(unsigned char)(c)]
378 #define bin2hex(c) bin2hex_table[(unsigned char)(c)]
379 #define is_hex(s) ((s)[0] == hex_tag)
381 static unsigned char hex2bin_table[256] = {
382 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 */
383 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 */
384 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 */
385 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, /* 0x30 */
386 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x40 */
387 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000,
388 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 */
389 0000, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0000, /* 0x60 */
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, /* 0x70 */
392 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 */
393 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 */
394 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0 */
395 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xb0 */
396 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xc0 */
397 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0 */
398 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0 */
399 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xf0 */
401 static unsigned char bin2hex_table[256] = "0123456789abcdef";
403 /*******************************************************************
404 original code -> ":xx" - CAP format
405 ********************************************************************/
406 static char *capencode(char *to, const char *from)
412 from = pstrcpy ((char *) cvtbuf, from);
415 for (out = to; *from && (out - to < sizeof(pstring)-7);) {
416 /* buffer husoku error */
417 if ((unsigned char)*from >= 0x80) {
419 *out++ = bin2hex (((*from)>>4)&0x0f);
420 *out++ = bin2hex ((*from)&0x0f);
431 /*******************************************************************
433 ********************************************************************/
434 /* ":xx" -> a byte */
435 static char *capdecode(char *to, const char *from)
441 from = pstrcpy ((char *) cvtbuf, from);
443 for (out = to; *from && (out - to < sizeof(pstring)-3);) {
445 *out++ = (hex2bin (from[1])<<4) | (hex2bin (from[2]));