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/>.
22 #include "smbd/smbd.h"
23 #include "system/filesys.h"
26 #define DBGC_CLASS DBGC_VFS
28 #define APPLEDOUBLE ".AppleDouble"
29 #define ADOUBLEMODE 0777
33 static int atalk_build_paths(TALLOC_CTX *ctx, const char *path,
35 char **adbl_path, char **orig_path,
36 SMB_STRUCT_STAT *adbl_info,
37 SMB_STRUCT_STAT *orig_info);
39 static int atalk_unlink_file(const char *path);
41 static int atalk_get_path_ptr(char *path)
46 for (i = 0; path[i]; i ++) {
49 /* get out some 'spam';) from win32's file name */
50 else if (path[i] == ':') {
59 static int atalk_build_paths(TALLOC_CTX *ctx, const char *path,
61 char **adbl_path, char **orig_path,
62 SMB_STRUCT_STAT *adbl_info,
63 SMB_STRUCT_STAT *orig_info)
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_m(path, APPLEDOUBLE) || strstr_m(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, false);
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, false);
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_m(cur_list[i].name, APPLEDOUBLE))
134 if (!(new_list = SMB_CALLOC_ARRAY(name_compare_entry, count + 2)))
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 struct dirent *dent = 0;
163 while (NULL != (dent = 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 DIR *atalk_opendir(struct vfs_handle_struct *handle,
181 const struct smb_filename *smb_fname,
187 ret = SMB_VFS_NEXT_OPENDIR(handle, smb_fname, mask, attr);
190 * when we try to perform delete operation upon file which has fork
191 * in ./.AppleDouble and this directory wasn't hidden by Samba,
192 * MS Windows explorer causes the error: "Cannot find the specified file"
193 * There is some workaround to avoid this situation, i.e. if
194 * connection has not .AppleDouble entry in either veto or hide
195 * list then it would be nice to add one.
198 atalk_add_to_list(&handle->conn->hide_list);
199 atalk_add_to_list(&handle->conn->veto_list);
204 static DIR *atalk_fdopendir(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attr)
208 ret = SMB_VFS_NEXT_FDOPENDIR(handle, fsp, mask, attr);
215 * when we try to perform delete operation upon file which has fork
216 * in ./.AppleDouble and this directory wasn't hidden by Samba,
217 * MS Windows explorer causes the error: "Cannot find the specified file"
218 * There is some workaround to avoid this situation, i.e. if
219 * connection has not .AppleDouble entry in either veto or hide
220 * list then it would be nice to add one.
223 atalk_add_to_list(&handle->conn->hide_list);
224 atalk_add_to_list(&handle->conn->veto_list);
229 static int atalk_rmdir(struct vfs_handle_struct *handle,
230 const struct smb_filename *smb_fname)
234 const char *path = smb_fname->base_name;
237 if (!handle->conn->cwd_fname->base_name || !path) goto exit_rmdir;
239 /* due to there is no way to change bDeleteVetoFiles variable
240 * from this module, gotta use talloc stuff..
243 strstr_m(path, APPLEDOUBLE) ? (add = False) : (add = True);
245 if (!(ctx = talloc_init("remove_directory")))
248 if (!(dpath = talloc_asprintf(ctx, "%s/%s%s",
249 handle->conn->cwd_fname->base_name, path, add ? "/"APPLEDOUBLE : "")))
252 atalk_rrmdir(ctx, dpath);
256 return SMB_VFS_NEXT_RMDIR(handle, smb_fname);
259 /* File operations */
261 static int atalk_rename(struct vfs_handle_struct *handle,
262 const struct smb_filename *smb_fname_src,
263 const struct smb_filename *smb_fname_dst)
266 char *oldname = NULL;
267 char *adbl_path = NULL;
268 char *orig_path = NULL;
269 SMB_STRUCT_STAT adbl_info;
270 SMB_STRUCT_STAT orig_info;
273 ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
275 status = get_full_smb_filename(talloc_tos(), smb_fname_src, &oldname);
276 if (!NT_STATUS_IS_OK(status)) {
280 if (atalk_build_paths(talloc_tos(), handle->conn->cwd_fname->base_name, oldname,
281 &adbl_path, &orig_path, &adbl_info,
285 if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
286 DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
290 atalk_unlink_file(adbl_path);
293 TALLOC_FREE(oldname);
294 TALLOC_FREE(adbl_path);
295 TALLOC_FREE(orig_path);
299 static int atalk_unlink(struct vfs_handle_struct *handle,
300 const struct smb_filename *smb_fname)
304 char *adbl_path = NULL;
305 char *orig_path = NULL;
306 SMB_STRUCT_STAT adbl_info;
307 SMB_STRUCT_STAT orig_info;
310 ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
312 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
313 if (!NT_STATUS_IS_OK(status)) {
317 /* no .AppleDouble sync if veto or hide list is empty,
318 * otherwise "Cannot find the specified file" error will be caused
321 if (!handle->conn->veto_list) return ret;
322 if (!handle->conn->hide_list) return ret;
324 for (i = 0; handle->conn->veto_list[i].name; i ++) {
325 if (strstr_m(handle->conn->veto_list[i].name, APPLEDOUBLE))
329 if (!handle->conn->veto_list[i].name) {
330 for (i = 0; handle->conn->hide_list[i].name; i ++) {
331 if (strstr_m(handle->conn->hide_list[i].name, APPLEDOUBLE))
334 DEBUG(3, ("ATALK: %s is not hidden, skipped..\n",
341 if (atalk_build_paths(talloc_tos(),
342 handle->conn->cwd_fname->base_name, path,
343 &adbl_path, &orig_path,
344 &adbl_info, &orig_info) != 0)
347 if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
348 DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
352 atalk_unlink_file(adbl_path);
356 TALLOC_FREE(adbl_path);
357 TALLOC_FREE(orig_path);
361 static int atalk_chmod(struct vfs_handle_struct *handle,
362 const struct smb_filename *smb_fname,
369 SMB_STRUCT_STAT adbl_info;
370 SMB_STRUCT_STAT orig_info;
373 ret = SMB_VFS_NEXT_CHMOD(handle, smb_fname, mode);
375 if (!(ctx = talloc_init("chmod_file")))
378 ret1 = atalk_build_paths(ctx,
379 handle->conn->cwd_fname->base_name,
380 smb_fname->base_name,
389 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
390 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
394 chmod(adbl_path, ADOUBLEMODE);
401 static int atalk_chown(struct vfs_handle_struct *handle,
402 const struct smb_filename *smb_fname,
409 SMB_STRUCT_STAT adbl_info;
410 SMB_STRUCT_STAT orig_info;
413 ret = SMB_VFS_NEXT_CHOWN(handle, smb_fname, uid, gid);
415 if (!(ctx = talloc_init("chown_file")))
418 if (atalk_build_paths(ctx, handle->conn->cwd_fname->base_name,
419 smb_fname->base_name,
420 &adbl_path, &orig_path,
421 &adbl_info, &orig_info) != 0)
424 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
425 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
429 if (chown(adbl_path, uid, gid) == -1) {
430 DEBUG(3, ("ATALK: chown error %s\n", strerror(errno)));
438 static int atalk_lchown(struct vfs_handle_struct *handle,
439 const struct smb_filename *smb_fname,
446 SMB_STRUCT_STAT adbl_info;
447 SMB_STRUCT_STAT orig_info;
450 ret = SMB_VFS_NEXT_LCHOWN(handle, smb_fname, uid, gid);
452 if (!(ctx = talloc_init("lchown_file")))
455 if (atalk_build_paths(ctx, handle->conn->cwd_fname->base_name,
456 smb_fname->base_name,
457 &adbl_path, &orig_path,
458 &adbl_info, &orig_info) != 0)
461 if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
462 DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
466 if (lchown(adbl_path, uid, gid) == -1) {
467 DEBUG(3, ("ATALK: lchown error %s\n", strerror(errno)));
475 static struct vfs_fn_pointers vfs_netatalk_fns = {
476 .opendir_fn = atalk_opendir,
477 .fdopendir_fn = atalk_fdopendir,
478 .rmdir_fn = atalk_rmdir,
479 .rename_fn = atalk_rename,
480 .unlink_fn = atalk_unlink,
481 .chmod_fn = atalk_chmod,
482 .chown_fn = atalk_chown,
483 .lchown_fn = atalk_lchown,
487 NTSTATUS vfs_netatalk_init(TALLOC_CTX *ctx)
489 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "netatalk",