2 * AppleTalk VFS module for Samba-3.x
4 * Copyright (C) Alexei Kotovich, 2002
5 * Copyright (C) Stefan (metze) Metzmacher, 2003
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 #define DBGC_CLASS DBGC_VFS
26 #define APPLEDOUBLE ".AppleDouble"
27 #define ADOUBLEMODE 0777
31 static int atalk_build_paths(TALLOC_CTX *ctx, const char *path,
33 char **adbl_path, char **orig_path,
34 SMB_STRUCT_STAT *adbl_info,
35 SMB_STRUCT_STAT *orig_info,
36 bool fake_dir_create_times);
38 static int atalk_unlink_file(const char *path);
40 static int atalk_get_path_ptr(char *path)
45 for (i = 0; path[i]; i ++) {
48 /* get out some 'spam';) from win32's file name */
49 else if (path[i] == ':') {
58 static int atalk_build_paths(TALLOC_CTX *ctx, const char *path,
60 char **adbl_path, char **orig_path,
61 SMB_STRUCT_STAT *adbl_info,
62 SMB_STRUCT_STAT *orig_info,
63 bool fake_dir_create_times)
70 if (!ctx || !path || !fname || !adbl_path || !orig_path ||
71 !adbl_info || !orig_info)
74 DEBUG(3, ("ATALK: PATH: %s[%s]\n", path, fname));
76 if (strstr(path, APPLEDOUBLE) || strstr(fname, APPLEDOUBLE)) {
77 DEBUG(3, ("ATALK: path %s[%s] already contains %s\n", path, fname, APPLEDOUBLE));
81 if (fname[0] == '.') ptr0 ++;
82 if (fname[1] == '/') ptr0 ++;
84 *orig_path = talloc_asprintf(ctx, "%s/%s", path, &fname[ptr0]);
86 /* get pointer to last '/' */
87 ptr1 = atalk_get_path_ptr(*orig_path);
89 sys_lstat(*orig_path, orig_info, fake_dir_create_times);
91 if (S_ISDIR(orig_info->st_ex_mode)) {
92 *adbl_path = talloc_asprintf(ctx, "%s/%s/%s/",
93 path, &fname[ptr0], APPLEDOUBLE);
95 dname = talloc_strdup(ctx, *orig_path);
98 *adbl_path = talloc_asprintf(ctx, "%s/%s/%s",
99 dname, APPLEDOUBLE, &name[ptr1 + 1]);
102 DEBUG(3, ("ATALK: DEBUG:\n%s\n%s\n", *orig_path, *adbl_path));
104 sys_lstat(*adbl_path, adbl_info, fake_dir_create_times);
108 static int atalk_unlink_file(const char *path)
119 static void atalk_add_to_list(name_compare_entry **list)
122 name_compare_entry *new_list = 0;
123 name_compare_entry *cur_list = 0;
128 for (i = 0, count = 0; cur_list[i].name; i ++, count ++) {
129 if (strstr(cur_list[i].name, APPLEDOUBLE))
134 if (!(new_list = SMB_CALLOC_ARRAY(name_compare_entry, (count == 0 ? 1 : count + 1))))
137 for (i = 0; i < count; i ++) {
138 new_list[i].name = SMB_STRDUP(cur_list[i].name);
139 new_list[i].is_wild = cur_list[i].is_wild;
142 new_list[i].name = SMB_STRDUP(APPLEDOUBLE);
143 new_list[i].is_wild = False;
145 free_namearray(*list);
152 static void atalk_rrmdir(TALLOC_CTX *ctx, char *path)
155 SMB_STRUCT_DIRENT *dent = 0;
160 dir = sys_opendir(path);
163 while (NULL != (dent = sys_readdir(dir))) {
164 if (strcmp(dent->d_name, ".") == 0 ||
165 strcmp(dent->d_name, "..") == 0)
167 if (!(dpath = talloc_asprintf(ctx, "%s/%s",
168 path, dent->d_name)))
170 atalk_unlink_file(dpath);
176 /* Disk operations */
178 /* Directory operations */
180 static SMB_STRUCT_DIR *atalk_opendir(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
182 SMB_STRUCT_DIR *ret = 0;
184 ret = SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
187 * when we try to perform delete operation upon file which has fork
188 * in ./.AppleDouble and this directory wasn't hidden by Samba,
189 * MS Windows explorer causes the error: "Cannot find the specified file"
190 * There is some workaround to avoid this situation, i.e. if
191 * connection has not .AppleDouble entry in either veto or hide
192 * list then it would be nice to add one.
195 atalk_add_to_list(&handle->conn->hide_list);
196 atalk_add_to_list(&handle->conn->veto_list);
201 static int atalk_rmdir(struct vfs_handle_struct *handle, const char *path)
207 if (!handle->conn->origpath || !path) goto exit_rmdir;
209 /* due to there is no way to change bDeleteVetoFiles variable
210 * from this module, gotta use talloc stuff..
213 strstr(path, APPLEDOUBLE) ? (add = False) : (add = True);
215 if (!(ctx = talloc_init("remove_directory")))
218 if (!(dpath = talloc_asprintf(ctx, "%s/%s%s",
219 handle->conn->origpath, path, add ? "/"APPLEDOUBLE : "")))
222 atalk_rrmdir(ctx, dpath);
226 return SMB_VFS_NEXT_RMDIR(handle, path);
229 /* File operations */
231 static int atalk_rename(struct vfs_handle_struct *handle,
232 const struct smb_filename *smb_fname_src,
233 const struct smb_filename *smb_fname_dst)
236 char *oldname = NULL;
237 char *adbl_path = NULL;
238 char *orig_path = NULL;
239 SMB_STRUCT_STAT adbl_info;
240 SMB_STRUCT_STAT orig_info;
243 ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
245 status = get_full_smb_filename(talloc_tos(), smb_fname_src, &oldname);
246 if (!NT_STATUS_IS_OK(status)) {
250 if (atalk_build_paths(talloc_tos(), handle->conn->origpath, oldname,
251 &adbl_path, &orig_path, &adbl_info,
252 &orig_info, false) != 0)
255 if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
256 DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
260 atalk_unlink_file(adbl_path);
263 TALLOC_FREE(oldname);
264 TALLOC_FREE(adbl_path);
265 TALLOC_FREE(orig_path);
269 static int atalk_unlink(struct vfs_handle_struct *handle,
270 const struct smb_filename *smb_fname)
274 char *adbl_path = NULL;
275 char *orig_path = NULL;
276 SMB_STRUCT_STAT adbl_info;
277 SMB_STRUCT_STAT orig_info;
280 ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
282 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
283 if (!NT_STATUS_IS_OK(status)) {
287 /* no .AppleDouble sync if veto or hide list is empty,
288 * otherwise "Cannot find the specified file" error will be caused
291 if (!handle->conn->veto_list) return ret;
292 if (!handle->conn->hide_list) return ret;
294 for (i = 0; handle->conn->veto_list[i].name; i ++) {
295 if (strstr(handle->conn->veto_list[i].name, APPLEDOUBLE))
299 if (!handle->conn->veto_list[i].name) {
300 for (i = 0; handle->conn->hide_list[i].name; i ++) {
301 if (strstr(handle->conn->hide_list[i].name, APPLEDOUBLE))
304 DEBUG(3, ("ATALK: %s is not hidden, skipped..\n",
311 if (atalk_build_paths(talloc_tos(), handle->conn->origpath, path,
312 &adbl_path, &orig_path,
313 &adbl_info, &orig_info, false) != 0)
316 if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
317 DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
321 atalk_unlink_file(adbl_path);
325 TALLOC_FREE(adbl_path);
326 TALLOC_FREE(orig_path);
330 static int atalk_chmod(struct vfs_handle_struct *handle, const char *path, mode_t mode)
335 SMB_STRUCT_STAT adbl_info;
336 SMB_STRUCT_STAT orig_info;
339 ret = SMB_VFS_NEXT_CHMOD(handle, path, mode);
341 if (!path) return ret;
343 if (!(ctx = talloc_init("chmod_file")))
346 if (atalk_build_paths(ctx, handle->conn->origpath, path, &adbl_path,
347 &orig_path, &adbl_info, &orig_info,
351 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
352 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
356 chmod(adbl_path, ADOUBLEMODE);
363 static int atalk_chown(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
368 SMB_STRUCT_STAT adbl_info;
369 SMB_STRUCT_STAT orig_info;
372 ret = SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
374 if (!path) return ret;
376 if (!(ctx = talloc_init("chown_file")))
379 if (atalk_build_paths(ctx, handle->conn->origpath, path,
380 &adbl_path, &orig_path,
381 &adbl_info, &orig_info, false) != 0)
384 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
385 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
389 if (chown(adbl_path, uid, gid) == -1) {
390 DEBUG(3, ("ATALK: chown error %s\n", strerror(errno)));
398 static int atalk_lchown(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
403 SMB_STRUCT_STAT adbl_info;
404 SMB_STRUCT_STAT orig_info;
407 ret = SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
409 if (!path) return ret;
411 if (!(ctx = talloc_init("lchown_file")))
414 if (atalk_build_paths(ctx, handle->conn->origpath, path,
415 &adbl_path, &orig_path,
416 &adbl_info, &orig_info, false) != 0)
419 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
420 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
424 if (lchown(adbl_path, uid, gid) == -1) {
425 DEBUG(3, ("ATALK: lchown error %s\n", strerror(errno)));
433 static struct vfs_fn_pointers vfs_netatalk_fns = {
434 .opendir = atalk_opendir,
435 .rmdir = atalk_rmdir,
436 .rename = atalk_rename,
437 .unlink = atalk_unlink,
438 .chmod = atalk_chmod,
439 .chown = atalk_chown,
440 .lchown = atalk_lchown,
443 NTSTATUS vfs_netatalk_init(void);
444 NTSTATUS vfs_netatalk_init(void)
446 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "netatalk",