2 Unix SMB/CIFS implementation.
4 POSIX NTVFS backend - rename
6 Copyright (C) Andrew Tridgell 2004
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "vfs_posix.h"
24 #include "librpc/gen_ndr/security.h"
25 #include "param/param.h"
29 do a file rename, and send any notify triggers
31 NTSTATUS pvfs_do_rename(struct pvfs_state *pvfs, const struct pvfs_filename *name1,
37 if (rename(name1->full_name, name2) == -1) {
38 return pvfs_map_errno(pvfs, errno);
41 if (name1->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
42 mask = FILE_NOTIFY_CHANGE_DIR_NAME;
44 mask = FILE_NOTIFY_CHANGE_FILE_NAME;
47 renames to the same directory cause a OLD_NAME->NEW_NAME notify.
48 renames to a different directory are considered a remove/add
50 r1 = strrchr_m(name1->full_name, '/');
51 r2 = strrchr_m(name2, '/');
53 if ((r1-name1->full_name) != (r2-name2) ||
54 strncmp(name1->full_name, name2, r1-name1->full_name) != 0) {
55 notify_trigger(pvfs->notify_context,
56 NOTIFY_ACTION_REMOVED,
59 notify_trigger(pvfs->notify_context,
64 notify_trigger(pvfs->notify_context,
65 NOTIFY_ACTION_OLD_NAME,
68 notify_trigger(pvfs->notify_context,
69 NOTIFY_ACTION_NEW_NAME,
74 /* this is a strange one. w2k3 gives an additional event for CHANGE_ATTRIBUTES
75 and CHANGE_CREATION on the new file when renaming files, but not
77 if ((name1->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) == 0) {
78 notify_trigger(pvfs->notify_context,
79 NOTIFY_ACTION_MODIFIED,
80 FILE_NOTIFY_CHANGE_ATTRIBUTES|FILE_NOTIFY_CHANGE_CREATION,
89 resolve a wildcard rename pattern. This works on one component of the name
91 static const char *pvfs_resolve_wildcard_component(TALLOC_CTX *mem_ctx,
98 /* the length is bounded by the length of the two strings combined */
99 dest = talloc_size(mem_ctx, strlen(fname) + strlen(pattern) + 1);
110 size_t c_size1, c_size2;
111 c1 = next_codepoint(lp_iconv_convenience(global_loadparm), p1, &c_size1);
112 c2 = next_codepoint(lp_iconv_convenience(global_loadparm), p2, &c_size2);
114 d += push_codepoint(lp_iconv_convenience(global_loadparm), d, c1);
115 } else if (c2 == '*') {
116 memcpy(d, p1, strlen(p1));
120 d += push_codepoint(lp_iconv_convenience(global_loadparm), d, c2);
133 resolve a wildcard rename pattern.
135 static const char *pvfs_resolve_wildcard(TALLOC_CTX *mem_ctx,
139 const char *base1, *base2;
140 const char *ext1, *ext2;
143 /* break into base part plus extension */
144 p = strrchr_m(fname, '.');
149 ext1 = talloc_strdup(mem_ctx, p+1);
150 base1 = talloc_strndup(mem_ctx, fname, p-fname);
152 if (ext1 == NULL || base1 == NULL) {
156 p = strrchr_m(pattern, '.');
161 ext2 = talloc_strdup(mem_ctx, p+1);
162 base2 = talloc_strndup(mem_ctx, pattern, p-pattern);
164 if (ext2 == NULL || base2 == NULL) {
168 base1 = pvfs_resolve_wildcard_component(mem_ctx, base1, base2);
169 ext1 = pvfs_resolve_wildcard_component(mem_ctx, ext1, ext2);
170 if (base1 == NULL || ext1 == NULL) {
178 return talloc_asprintf(mem_ctx, "%s.%s", base1, ext1);
182 rename one file from a wildcard set
184 static NTSTATUS pvfs_rename_one(struct pvfs_state *pvfs,
185 struct ntvfs_request *req,
186 const char *dir_path,
191 struct pvfs_filename *name1, *name2;
192 TALLOC_CTX *mem_ctx = talloc_new(req);
194 struct odb_lock *lck, *lck2;
196 /* resolve the wildcard pattern for this name */
197 fname2 = pvfs_resolve_wildcard(mem_ctx, fname1, fname2);
198 if (fname2 == NULL) {
199 return NT_STATUS_NO_MEMORY;
202 /* get a pvfs_filename source object */
203 status = pvfs_resolve_partial(pvfs, mem_ctx,
204 dir_path, fname1, &name1);
205 if (!NT_STATUS_IS_OK(status)) {
209 /* make sure its matches the given attributes */
210 status = pvfs_match_attrib(pvfs, name1, attrib, 0);
211 if (!NT_STATUS_IS_OK(status)) {
215 status = pvfs_can_rename(pvfs, req, name1, &lck);
216 if (!NT_STATUS_IS_OK(status)) {
220 /* get a pvfs_filename dest object */
221 status = pvfs_resolve_partial(pvfs, mem_ctx,
222 dir_path, fname2, &name2);
223 if (NT_STATUS_IS_OK(status)) {
224 status = pvfs_can_delete(pvfs, req, name2, &lck2);
225 if (!NT_STATUS_IS_OK(status)) {
230 status = NT_STATUS_OK;
232 fname2 = talloc_asprintf(mem_ctx, "%s/%s", dir_path, fname2);
233 if (fname2 == NULL) {
234 return NT_STATUS_NO_MEMORY;
237 status = pvfs_do_rename(pvfs, name1, fname2);
239 if (NT_STATUS_IS_OK(status)) {
240 status = odb_rename(lck, fname2);
244 talloc_free(mem_ctx);
250 rename a set of files with wildcards
252 static NTSTATUS pvfs_rename_wildcard(struct pvfs_state *pvfs,
253 struct ntvfs_request *req,
254 union smb_rename *ren,
255 struct pvfs_filename *name1,
256 struct pvfs_filename *name2)
258 struct pvfs_dir *dir;
261 const char *fname, *fname2, *dir_path;
262 uint16_t attrib = ren->rename.in.attrib;
263 int total_renamed = 0;
265 /* get list of matching files */
266 status = pvfs_list_start(pvfs, name1, req, &dir);
267 if (!NT_STATUS_IS_OK(status)) {
271 status = NT_STATUS_NO_SUCH_FILE;
273 dir_path = pvfs_list_unix_path(dir);
275 /* only allow wildcard renames within a directory */
276 if (strncmp(dir_path, name2->full_name, strlen(dir_path)) != 0 ||
277 name2->full_name[strlen(dir_path)] != '/' ||
278 strchr(name2->full_name + strlen(dir_path) + 1, '/')) {
279 return NT_STATUS_INVALID_PARAMETER;
282 fname2 = talloc_strdup(name2, name2->full_name + strlen(dir_path) + 1);
283 if (fname2 == NULL) {
284 return NT_STATUS_NO_MEMORY;
287 while ((fname = pvfs_list_next(dir, &ofs))) {
288 status = pvfs_rename_one(pvfs, req,
290 fname, fname2, attrib);
291 if (NT_STATUS_IS_OK(status)) {
296 if (total_renamed == 0) {
304 rename a set of files - SMBmv interface
306 static NTSTATUS pvfs_rename_mv(struct ntvfs_module_context *ntvfs,
307 struct ntvfs_request *req, union smb_rename *ren)
309 struct pvfs_state *pvfs = ntvfs->private_data;
311 struct pvfs_filename *name1, *name2;
312 struct odb_lock *lck;
314 /* resolve the cifs name to a posix name */
315 status = pvfs_resolve_name(pvfs, req, ren->rename.in.pattern1,
316 PVFS_RESOLVE_WILDCARD, &name1);
317 if (!NT_STATUS_IS_OK(status)) {
321 status = pvfs_resolve_name(pvfs, req, ren->rename.in.pattern2,
322 PVFS_RESOLVE_WILDCARD, &name2);
323 if (!NT_STATUS_IS_OK(status)) {
327 if (name1->has_wildcard || name2->has_wildcard) {
328 return pvfs_rename_wildcard(pvfs, req, ren, name1, name2);
331 if (!name1->exists) {
332 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
335 if (strcmp(name1->full_name, name2->full_name) == 0) {
340 return NT_STATUS_OBJECT_NAME_COLLISION;
343 status = pvfs_match_attrib(pvfs, name1, ren->rename.in.attrib, 0);
344 if (!NT_STATUS_IS_OK(status)) {
348 status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
349 if (!NT_STATUS_IS_OK(status)) {
353 status = pvfs_can_rename(pvfs, req, name1, &lck);
354 if (!NT_STATUS_IS_OK(status)) {
358 status = pvfs_do_rename(pvfs, name1, name2->full_name);
359 if (NT_STATUS_IS_OK(status)) {
360 status = odb_rename(lck, name2->full_name);
368 rename a set of files - ntrename interface
370 static NTSTATUS pvfs_rename_nt(struct ntvfs_module_context *ntvfs,
371 struct ntvfs_request *req, union smb_rename *ren)
373 struct pvfs_state *pvfs = ntvfs->private_data;
375 struct pvfs_filename *name1, *name2;
376 struct odb_lock *lck;
378 switch (ren->ntrename.in.flags) {
379 case RENAME_FLAG_RENAME:
380 case RENAME_FLAG_HARD_LINK:
381 case RENAME_FLAG_COPY:
382 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
385 return NT_STATUS_ACCESS_DENIED;
388 /* resolve the cifs name to a posix name */
389 status = pvfs_resolve_name(pvfs, req, ren->ntrename.in.old_name,
390 PVFS_RESOLVE_WILDCARD, &name1);
391 if (!NT_STATUS_IS_OK(status)) {
395 status = pvfs_resolve_name(pvfs, req, ren->ntrename.in.new_name,
396 PVFS_RESOLVE_WILDCARD, &name2);
397 if (!NT_STATUS_IS_OK(status)) {
401 if (name1->has_wildcard || name2->has_wildcard) {
402 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
405 if (!name1->exists) {
406 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
409 if (strcmp(name1->full_name, name2->full_name) == 0) {
414 return NT_STATUS_OBJECT_NAME_COLLISION;
417 status = pvfs_match_attrib(pvfs, name1, ren->ntrename.in.attrib, 0);
418 if (!NT_STATUS_IS_OK(status)) {
422 status = pvfs_can_rename(pvfs, req, name1, &lck);
423 if (!NT_STATUS_IS_OK(status)) {
427 switch (ren->ntrename.in.flags) {
428 case RENAME_FLAG_RENAME:
429 status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
430 NT_STATUS_NOT_OK_RETURN(status);
431 status = pvfs_do_rename(pvfs, name1, name2->full_name);
432 NT_STATUS_NOT_OK_RETURN(status);
435 case RENAME_FLAG_HARD_LINK:
436 status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
437 NT_STATUS_NOT_OK_RETURN(status);
438 if (link(name1->full_name, name2->full_name) == -1) {
439 return pvfs_map_errno(pvfs, errno);
443 case RENAME_FLAG_COPY:
444 status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
445 NT_STATUS_NOT_OK_RETURN(status);
446 return pvfs_copy_file(pvfs, name1, name2);
448 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
449 return NT_STATUS_INVALID_PARAMETER;
452 return NT_STATUS_ACCESS_DENIED;
460 rename a set of files - ntrename interface
462 NTSTATUS pvfs_rename(struct ntvfs_module_context *ntvfs,
463 struct ntvfs_request *req, union smb_rename *ren)
465 switch (ren->generic.level) {
466 case RAW_RENAME_RENAME:
467 return pvfs_rename_mv(ntvfs, req, ren);
469 case RAW_RENAME_NTRENAME:
470 return pvfs_rename_nt(ntvfs, req, ren);
476 return NT_STATUS_INVALID_LEVEL;