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,
32 const char *fname, char **adbl_path, char **orig_path,
33 SMB_STRUCT_STAT *adbl_info, SMB_STRUCT_STAT *orig_info);
35 static int atalk_unlink_file(const char *path);
37 static int atalk_get_path_ptr(char *path)
42 for (i = 0; path[i]; i ++) {
45 /* get out some 'spam';) from win32's file name */
46 else if (path[i] == ':') {
55 static int atalk_build_paths(TALLOC_CTX *ctx, const char *path, const char *fname,
56 char **adbl_path, char **orig_path,
57 SMB_STRUCT_STAT *adbl_info, SMB_STRUCT_STAT *orig_info)
64 if (!ctx || !path || !fname || !adbl_path || !orig_path ||
65 !adbl_info || !orig_info)
68 DEBUG(3, ("ATALK: PATH: %s[%s]\n", path, fname));
70 if (strstr(path, APPLEDOUBLE) || strstr(fname, APPLEDOUBLE)) {
71 DEBUG(3, ("ATALK: path %s[%s] already contains %s\n", path, fname, APPLEDOUBLE));
75 if (fname[0] == '.') ptr0 ++;
76 if (fname[1] == '/') ptr0 ++;
78 *orig_path = talloc_asprintf(ctx, "%s/%s", path, &fname[ptr0]);
80 /* get pointer to last '/' */
81 ptr1 = atalk_get_path_ptr(*orig_path);
83 sys_lstat(*orig_path, orig_info);
85 if (S_ISDIR(orig_info->st_ex_mode)) {
86 *adbl_path = talloc_asprintf(ctx, "%s/%s/%s/",
87 path, &fname[ptr0], APPLEDOUBLE);
89 dname = talloc_strdup(ctx, *orig_path);
92 *adbl_path = talloc_asprintf(ctx, "%s/%s/%s",
93 dname, APPLEDOUBLE, &name[ptr1 + 1]);
96 DEBUG(3, ("ATALK: DEBUG:\n%s\n%s\n", *orig_path, *adbl_path));
98 sys_lstat(*adbl_path, adbl_info);
102 static int atalk_unlink_file(const char *path)
113 static void atalk_add_to_list(name_compare_entry **list)
116 name_compare_entry *new_list = 0;
117 name_compare_entry *cur_list = 0;
122 for (i = 0, count = 0; cur_list[i].name; i ++, count ++) {
123 if (strstr(cur_list[i].name, APPLEDOUBLE))
128 if (!(new_list = SMB_CALLOC_ARRAY(name_compare_entry, (count == 0 ? 1 : count + 1))))
131 for (i = 0; i < count; i ++) {
132 new_list[i].name = SMB_STRDUP(cur_list[i].name);
133 new_list[i].is_wild = cur_list[i].is_wild;
136 new_list[i].name = SMB_STRDUP(APPLEDOUBLE);
137 new_list[i].is_wild = False;
139 free_namearray(*list);
146 static void atalk_rrmdir(TALLOC_CTX *ctx, char *path)
149 SMB_STRUCT_DIRENT *dent = 0;
154 dir = sys_opendir(path);
157 while (NULL != (dent = sys_readdir(dir))) {
158 if (strcmp(dent->d_name, ".") == 0 ||
159 strcmp(dent->d_name, "..") == 0)
161 if (!(dpath = talloc_asprintf(ctx, "%s/%s",
162 path, dent->d_name)))
164 atalk_unlink_file(dpath);
170 /* Disk operations */
172 /* Directory operations */
174 static SMB_STRUCT_DIR *atalk_opendir(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
176 SMB_STRUCT_DIR *ret = 0;
178 ret = SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
181 * when we try to perform delete operation upon file which has fork
182 * in ./.AppleDouble and this directory wasn't hidden by Samba,
183 * MS Windows explorer causes the error: "Cannot find the specified file"
184 * There is some workaround to avoid this situation, i.e. if
185 * connection has not .AppleDouble entry in either veto or hide
186 * list then it would be nice to add one.
189 atalk_add_to_list(&handle->conn->hide_list);
190 atalk_add_to_list(&handle->conn->veto_list);
195 static int atalk_rmdir(struct vfs_handle_struct *handle, const char *path)
201 if (!handle->conn->origpath || !path) goto exit_rmdir;
203 /* due to there is no way to change bDeleteVetoFiles variable
204 * from this module, gotta use talloc stuff..
207 strstr(path, APPLEDOUBLE) ? (add = False) : (add = True);
209 if (!(ctx = talloc_init("remove_directory")))
212 if (!(dpath = talloc_asprintf(ctx, "%s/%s%s",
213 handle->conn->origpath, path, add ? "/"APPLEDOUBLE : "")))
216 atalk_rrmdir(ctx, dpath);
220 return SMB_VFS_NEXT_RMDIR(handle, path);
223 /* File operations */
225 static int atalk_rename(struct vfs_handle_struct *handle,
226 const struct smb_filename *smb_fname_src,
227 const struct smb_filename *smb_fname_dst)
230 char *oldname = NULL;
231 char *adbl_path = NULL;
232 char *orig_path = NULL;
233 SMB_STRUCT_STAT adbl_info;
234 SMB_STRUCT_STAT orig_info;
237 ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
239 status = get_full_smb_filename(talloc_tos(), smb_fname_src, &oldname);
240 if (!NT_STATUS_IS_OK(status)) {
244 if (atalk_build_paths(talloc_tos(), handle->conn->origpath, oldname,
245 &adbl_path, &orig_path, &adbl_info,
249 if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
250 DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
254 atalk_unlink_file(adbl_path);
257 TALLOC_FREE(oldname);
258 TALLOC_FREE(adbl_path);
259 TALLOC_FREE(orig_path);
263 static int atalk_unlink(struct vfs_handle_struct *handle,
264 const struct smb_filename *smb_fname)
268 char *adbl_path = NULL;
269 char *orig_path = NULL;
270 SMB_STRUCT_STAT adbl_info;
271 SMB_STRUCT_STAT orig_info;
274 ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
276 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
277 if (!NT_STATUS_IS_OK(status)) {
281 /* no .AppleDouble sync if veto or hide list is empty,
282 * otherwise "Cannot find the specified file" error will be caused
285 if (!handle->conn->veto_list) return ret;
286 if (!handle->conn->hide_list) return ret;
288 for (i = 0; handle->conn->veto_list[i].name; i ++) {
289 if (strstr(handle->conn->veto_list[i].name, APPLEDOUBLE))
293 if (!handle->conn->veto_list[i].name) {
294 for (i = 0; handle->conn->hide_list[i].name; i ++) {
295 if (strstr(handle->conn->hide_list[i].name, APPLEDOUBLE))
298 DEBUG(3, ("ATALK: %s is not hidden, skipped..\n",
305 if (atalk_build_paths(talloc_tos(), handle->conn->origpath, path,
306 &adbl_path, &orig_path,
307 &adbl_info, &orig_info) != 0)
310 if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
311 DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
315 atalk_unlink_file(adbl_path);
319 TALLOC_FREE(adbl_path);
320 TALLOC_FREE(orig_path);
324 static int atalk_chmod(struct vfs_handle_struct *handle, const char *path, mode_t mode)
329 SMB_STRUCT_STAT adbl_info;
330 SMB_STRUCT_STAT orig_info;
333 ret = SMB_VFS_NEXT_CHMOD(handle, path, mode);
335 if (!path) return ret;
337 if (!(ctx = talloc_init("chmod_file")))
340 if (atalk_build_paths(ctx, handle->conn->origpath, path, &adbl_path, &orig_path,
341 &adbl_info, &orig_info) != 0)
344 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
345 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
349 chmod(adbl_path, ADOUBLEMODE);
356 static int atalk_chown(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
361 SMB_STRUCT_STAT adbl_info;
362 SMB_STRUCT_STAT orig_info;
365 ret = SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
367 if (!path) return ret;
369 if (!(ctx = talloc_init("chown_file")))
372 if (atalk_build_paths(ctx, handle->conn->origpath, path, &adbl_path, &orig_path,
373 &adbl_info, &orig_info) != 0)
376 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
377 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
381 if (chown(adbl_path, uid, gid) == -1) {
382 DEBUG(3, ("ATALK: chown error %s\n", strerror(errno)));
390 static int atalk_lchown(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
395 SMB_STRUCT_STAT adbl_info;
396 SMB_STRUCT_STAT orig_info;
399 ret = SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
401 if (!path) return ret;
403 if (!(ctx = talloc_init("lchown_file")))
406 if (atalk_build_paths(ctx, handle->conn->origpath, path, &adbl_path, &orig_path,
407 &adbl_info, &orig_info) != 0)
410 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
411 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
415 if (lchown(adbl_path, uid, gid) == -1) {
416 DEBUG(3, ("ATALK: lchown error %s\n", strerror(errno)));
424 static struct vfs_fn_pointers vfs_netatalk_fns = {
425 .opendir = atalk_opendir,
426 .rmdir = atalk_rmdir,
427 .rename = atalk_rename,
428 .unlink = atalk_unlink,
429 .chmod = atalk_chmod,
430 .chown = atalk_chown,
431 .lchown = atalk_lchown,
434 NTSTATUS vfs_netatalk_init(void);
435 NTSTATUS vfs_netatalk_init(void)
437 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "netatalk",