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talloc: Bump version number after pytalloc changes.
[Samba.git] / source3 / libsmb / libsmb_dir.c
blobfdaf949c08ac3a52ffa29028ee62b43eb428ad40
1 /*
2 Unix SMB/Netbios implementation.
3 SMB client library implementation
4 Copyright (C) Andrew Tridgell 1998
5 Copyright (C) Richard Sharpe 2000, 2002
6 Copyright (C) John Terpstra 2000
7 Copyright (C) Tom Jansen (Ninja ISD) 2002
8 Copyright (C) Derrell Lipman 2003-2008
9 Copyright (C) Jeremy Allison 2007, 2008
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "includes.h"
26 #include "popt_common.h"
27 #include "libsmbclient.h"
28 #include "libsmb_internal.h"
29 #include "../librpc/gen_ndr/cli_srvsvc.h"
30
31 /*
32 * Routine to open a directory
33 * We accept the URL syntax explained in SMBC_parse_path(), above.
34 */
35
36 static void
37 remove_dir(SMBCFILE *dir)
38 {
39 struct smbc_dir_list *d,*f;
40
41 d = dir->dir_list;
42 while (d) {
43
44 f = d; d = d->next;
45
46 SAFE_FREE(f->dirent);
47 SAFE_FREE(f);
48
49 }
50
51 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
52
53 }
54
55 static int
56 add_dirent(SMBCFILE *dir,
57 const char *name,
58 const char *comment,
59 uint32 type)
60 {
61 struct smbc_dirent *dirent;
62 int size;
63 int name_length = (name == NULL ? 0 : strlen(name));
64 int comment_len = (comment == NULL ? 0 : strlen(comment));
65
66 /*
67 * Allocate space for the dirent, which must be increased by the
68 * size of the name and the comment and 1 each for the null terminator.
69 */
70
71 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
72
73 dirent = (struct smbc_dirent *)SMB_MALLOC(size);
74
75 if (!dirent) {
76
77 dir->dir_error = ENOMEM;
78 return -1;
79
80 }
81
82 ZERO_STRUCTP(dirent);
83
84 if (dir->dir_list == NULL) {
85
86 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
87 if (!dir->dir_list) {
88
89 SAFE_FREE(dirent);
90 dir->dir_error = ENOMEM;
91 return -1;
92
93 }
94 ZERO_STRUCTP(dir->dir_list);
95
96 dir->dir_end = dir->dir_next = dir->dir_list;
97 }
98 else {
99
100 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
101
102 if (!dir->dir_end->next) {
103
104 SAFE_FREE(dirent);
105 dir->dir_error = ENOMEM;
106 return -1;
107
108 }
109 ZERO_STRUCTP(dir->dir_end->next);
110
111 dir->dir_end = dir->dir_end->next;
112 }
113
114 dir->dir_end->next = NULL;
115 dir->dir_end->dirent = dirent;
116
117 dirent->smbc_type = type;
118 dirent->namelen = name_length;
119 dirent->commentlen = comment_len;
120 dirent->dirlen = size;
121
122 /*
123 * dirent->namelen + 1 includes the null (no null termination needed)
124 * Ditto for dirent->commentlen.
125 * The space for the two null bytes was allocated.
126 */
127 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
128 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
129 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
130
131 return 0;
132
133 }
134
135 static void
136 list_unique_wg_fn(const char *name,
137 uint32 type,
138 const char *comment,
139 void *state)
140 {
141 SMBCFILE *dir = (SMBCFILE *)state;
142 struct smbc_dir_list *dir_list;
143 struct smbc_dirent *dirent;
144 int dirent_type;
145 int do_remove = 0;
146
147 dirent_type = dir->dir_type;
148
149 if (add_dirent(dir, name, comment, dirent_type) < 0) {
150 /* An error occurred, what do we do? */
151 /* FIXME: Add some code here */
152 /* Change cli_NetServerEnum to take a fn
153 returning NTSTATUS... JRA. */
154 }
155
156 /* Point to the one just added */
157 dirent = dir->dir_end->dirent;
158
159 /* See if this was a duplicate */
160 for (dir_list = dir->dir_list;
161 dir_list != dir->dir_end;
162 dir_list = dir_list->next) {
163 if (! do_remove &&
164 strcmp(dir_list->dirent->name, dirent->name) == 0) {
165 /* Duplicate. End end of list need to be removed. */
166 do_remove = 1;
167 }
168
169 if (do_remove && dir_list->next == dir->dir_end) {
170 /* Found the end of the list. Remove it. */
171 dir->dir_end = dir_list;
172 free(dir_list->next);
173 free(dirent);
174 dir_list->next = NULL;
175 break;
176 }
177 }
178 }
179
180 static void
181 list_fn(const char *name,
182 uint32 type,
183 const char *comment,
184 void *state)
185 {
186 SMBCFILE *dir = (SMBCFILE *)state;
187 int dirent_type;
188
189 /*
190 * We need to process the type a little ...
191 *
192 * Disk share = 0x00000000
193 * Print share = 0x00000001
194 * Comms share = 0x00000002 (obsolete?)
195 * IPC$ share = 0x00000003
196 *
197 * administrative shares:
198 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
199 */
200
201 if (dir->dir_type == SMBC_FILE_SHARE) {
202 switch (type) {
203 case 0 | 0x80000000:
204 case 0:
205 dirent_type = SMBC_FILE_SHARE;
206 break;
207
208 case 1:
209 dirent_type = SMBC_PRINTER_SHARE;
210 break;
211
212 case 2:
213 dirent_type = SMBC_COMMS_SHARE;
214 break;
215
216 case 3 | 0x80000000:
217 case 3:
218 dirent_type = SMBC_IPC_SHARE;
219 break;
220
221 default:
222 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
223 break;
224 }
225 }
226 else {
227 dirent_type = dir->dir_type;
228 }
229
230 if (add_dirent(dir, name, comment, dirent_type) < 0) {
231 /* An error occurred, what do we do? */
232 /* FIXME: Add some code here */
233 /* Change cli_NetServerEnum to take a fn
234 returning NTSTATUS... JRA. */
235 }
236 }
237
238 static NTSTATUS
239 dir_list_fn(const char *mnt,
240 struct file_info *finfo,
241 const char *mask,
242 void *state)
243 {
244
245 if (add_dirent((SMBCFILE *)state, finfo->name, "",
246 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
247 SMBCFILE *dir = (SMBCFILE *)state;
248 return map_nt_error_from_unix(dir->dir_error);
249 }
250 return NT_STATUS_OK;
251 }
252
253 static int
254 net_share_enum_rpc(struct cli_state *cli,
255 void (*fn)(const char *name,
256 uint32 type,
257 const char *comment,
258 void *state),
259 void *state)
260 {
261 int i;
262 WERROR result;
263 uint32 preferred_len = 0xffffffff;
264 uint32 type;
265 struct srvsvc_NetShareInfoCtr info_ctr;
266 struct srvsvc_NetShareCtr1 ctr1;
267 fstring name = "";
268 fstring comment = "";
269 struct rpc_pipe_client *pipe_hnd = NULL;
270 NTSTATUS nt_status;
271 uint32_t resume_handle = 0;
272 uint32_t total_entries = 0;
273
274 /* Open the server service pipe */
275 nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
276 &pipe_hnd);
277 if (!NT_STATUS_IS_OK(nt_status)) {
278 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
279 return -1;
280 }
281
282 ZERO_STRUCT(info_ctr);
283 ZERO_STRUCT(ctr1);
284
285 info_ctr.level = 1;
286 info_ctr.ctr.ctr1 = &ctr1;
287
288 /* Issue the NetShareEnum RPC call and retrieve the response */
289 nt_status = rpccli_srvsvc_NetShareEnumAll(pipe_hnd, talloc_tos(),
290 pipe_hnd->desthost,
291 &info_ctr,
292 preferred_len,
293 &total_entries,
294 &resume_handle,
295 &result);
296
297 /* Was it successful? */
298 if (!NT_STATUS_IS_OK(nt_status) || !W_ERROR_IS_OK(result) ||
299 total_entries == 0) {
300 /* Nope. Go clean up. */
301 goto done;
302 }
303
304 /* For each returned entry... */
305 for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
306
307 /* pull out the share name */
308 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
309
310 /* pull out the share's comment */
311 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
312
313 /* Get the type value */
314 type = info_ctr.ctr.ctr1->array[i].type;
315
316 /* Add this share to the list */
317 (*fn)(name, type, comment, state);
318 }
319
320 done:
321 /* Close the server service pipe */
322 TALLOC_FREE(pipe_hnd);
323
324 /* Tell 'em if it worked */
325 return W_ERROR_IS_OK(result) ? 0 : -1;
326 }
327
328
329 /*
330 * Verify that the options specified in a URL are valid
331 */
332 int
333 SMBC_check_options(char *server,
334 char *share,
335 char *path,
336 char *options)
337 {
338 DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
339 "path='%s' options='%s'\n",
340 server, share, path, options));
341
342 /* No options at all is always ok */
343 if (! *options) return 0;
344
345 /* Currently, we don't support any options. */
346 return -1;
347 }
348
349
350 SMBCFILE *
351 SMBC_opendir_ctx(SMBCCTX *context,
352 const char *fname)
353 {
354 int saved_errno;
355 char *server = NULL;
356 char *share = NULL;
357 char *user = NULL;
358 char *password = NULL;
359 char *options = NULL;
360 char *workgroup = NULL;
361 char *path = NULL;
362 uint16 mode;
363 char *p = NULL;
364 SMBCSRV *srv = NULL;
365 SMBCFILE *dir = NULL;
366 struct sockaddr_storage rem_ss;
367 TALLOC_CTX *frame = talloc_stackframe();
368
369 if (!context || !context->internal->initialized) {
370 DEBUG(4, ("no valid context\n"));
371 errno = EINVAL + 8192;
372 TALLOC_FREE(frame);
373 return NULL;
374
375 }
376
377 if (!fname) {
378 DEBUG(4, ("no valid fname\n"));
379 errno = EINVAL + 8193;
380 TALLOC_FREE(frame);
381 return NULL;
382 }
383
384 if (SMBC_parse_path(frame,
385 context,
386 fname,
387 &workgroup,
388 &server,
389 &share,
390 &path,
391 &user,
392 &password,
393 &options)) {
394 DEBUG(4, ("no valid path\n"));
395 errno = EINVAL + 8194;
396 TALLOC_FREE(frame);
397 return NULL;
398 }
399
400 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
401 "path='%s' options='%s'\n",
402 fname, server, share, path, options));
403
404 /* Ensure the options are valid */
405 if (SMBC_check_options(server, share, path, options)) {
406 DEBUG(4, ("unacceptable options (%s)\n", options));
407 errno = EINVAL + 8195;
408 TALLOC_FREE(frame);
409 return NULL;
410 }
411
412 if (!user || user[0] == (char)0) {
413 user = talloc_strdup(frame, smbc_getUser(context));
414 if (!user) {
415 errno = ENOMEM;
416 TALLOC_FREE(frame);
417 return NULL;
418 }
419 }
420
421 dir = SMB_MALLOC_P(SMBCFILE);
422
423 if (!dir) {
424 errno = ENOMEM;
425 TALLOC_FREE(frame);
426 return NULL;
427 }
428
429 ZERO_STRUCTP(dir);
430
431 dir->cli_fd = 0;
432 dir->fname = SMB_STRDUP(fname);
433 dir->srv = NULL;
434 dir->offset = 0;
435 dir->file = False;
436 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
437
438 if (server[0] == (char)0) {
439
440 int i;
441 int count;
442 int max_lmb_count;
443 struct ip_service *ip_list;
444 struct ip_service server_addr;
445 struct user_auth_info u_info;
446
447 if (share[0] != (char)0 || path[0] != (char)0) {
448
449 errno = EINVAL + 8196;
450 if (dir) {
451 SAFE_FREE(dir->fname);
452 SAFE_FREE(dir);
453 }
454 TALLOC_FREE(frame);
455 return NULL;
456 }
457
458 /* Determine how many local master browsers to query */
459 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
460 ? INT_MAX
461 : smbc_getOptionBrowseMaxLmbCount(context));
462
463 memset(&u_info, '\0', sizeof(u_info));
464 u_info.username = talloc_strdup(frame,user);
465 u_info.password = talloc_strdup(frame,password);
466 if (!u_info.username || !u_info.password) {
467 if (dir) {
468 SAFE_FREE(dir->fname);
469 SAFE_FREE(dir);
470 }
471 TALLOC_FREE(frame);
472 return NULL;
473 }
474
475 /*
476 * We have server and share and path empty but options
477 * requesting that we scan all master browsers for their list
478 * of workgroups/domains. This implies that we must first try
479 * broadcast queries to find all master browsers, and if that
480 * doesn't work, then try our other methods which return only
481 * a single master browser.
482 */
483
484 ip_list = NULL;
485 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
486 &count)))
487 {
488
489 SAFE_FREE(ip_list);
490
491 if (!find_master_ip(workgroup, &server_addr.ss)) {
492
493 if (dir) {
494 SAFE_FREE(dir->fname);
495 SAFE_FREE(dir);
496 }
497 errno = ENOENT;
498 TALLOC_FREE(frame);
499 return NULL;
500 }
501
502 ip_list = (struct ip_service *)memdup(
503 &server_addr, sizeof(server_addr));
504 if (ip_list == NULL) {
505 errno = ENOMEM;
506 TALLOC_FREE(frame);
507 return NULL;
508 }
509 count = 1;
510 }
511
512 for (i = 0; i < count && i < max_lmb_count; i++) {
513 char addr[INET6_ADDRSTRLEN];
514 char *wg_ptr = NULL;
515 struct cli_state *cli = NULL;
516
517 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
518 DEBUG(99, ("Found master browser %d of %d: %s\n",
519 i+1, MAX(count, max_lmb_count),
520 addr));
521
522 cli = get_ipc_connect_master_ip(talloc_tos(),
523 &ip_list[i],
524 &u_info,
525 &wg_ptr);
526 /* cli == NULL is the master browser refused to talk or
527 could not be found */
528 if (!cli) {
529 continue;
530 }
531
532 workgroup = talloc_strdup(frame, wg_ptr);
533 server = talloc_strdup(frame, cli->desthost);
534
535 cli_shutdown(cli);
536
537 if (!workgroup || !server) {
538 errno = ENOMEM;
539 TALLOC_FREE(frame);
540 return NULL;
541 }
542
543 DEBUG(4, ("using workgroup %s %s\n",
544 workgroup, server));
545
546 /*
547 * For each returned master browser IP address, get a
548 * connection to IPC$ on the server if we do not
549 * already have one, and determine the
550 * workgroups/domains that it knows about.
551 */
552
553 srv = SMBC_server(frame, context, True, server, "IPC$",
554 &workgroup, &user, &password);
555 if (!srv) {
556 continue;
557 }
558
559 dir->srv = srv;
560 dir->dir_type = SMBC_WORKGROUP;
561
562 /* Now, list the stuff ... */
563
564 if (!cli_NetServerEnum(srv->cli,
565 workgroup,
566 SV_TYPE_DOMAIN_ENUM,
567 list_unique_wg_fn,
568 (void *)dir)) {
569 continue;
570 }
571 }
572
573 SAFE_FREE(ip_list);
574 } else {
575 /*
576 * Server not an empty string ... Check the rest and see what
577 * gives
578 */
579 if (*share == '\0') {
580 if (*path != '\0') {
581
582 /* Should not have empty share with path */
583 errno = EINVAL + 8197;
584 if (dir) {
585 SAFE_FREE(dir->fname);
586 SAFE_FREE(dir);
587 }
588 TALLOC_FREE(frame);
589 return NULL;
590
591 }
592
593 /*
594 * We don't know if <server> is really a server name
595 * or is a workgroup/domain name. If we already have
596 * a server structure for it, we'll use it.
597 * Otherwise, check to see if <server><1D>,
598 * <server><1B>, or <server><20> translates. We check
599 * to see if <server> is an IP address first.
600 */
601
602 /*
603 * See if we have an existing server. Do not
604 * establish a connection if one does not already
605 * exist.
606 */
607 srv = SMBC_server(frame, context, False,
608 server, "IPC$",
609 &workgroup, &user, &password);
610
611 /*
612 * If no existing server and not an IP addr, look for
613 * LMB or DMB
614 */
615 if (!srv &&
616 !is_ipaddress(server) &&
617 (resolve_name(server, &rem_ss, 0x1d, false) || /* LMB */
618 resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
619 /*
620 * "server" is actually a workgroup name,
621 * not a server. Make this clear.
622 */
623 char *wgroup = server;
624 fstring buserver;
625
626 dir->dir_type = SMBC_SERVER;
627
628 /*
629 * Get the backup list ...
630 */
631 if (!name_status_find(wgroup, 0, 0,
632 &rem_ss, buserver)) {
633 char addr[INET6_ADDRSTRLEN];
634
635 print_sockaddr(addr, sizeof(addr), &rem_ss);
636 DEBUG(0,("Could not get name of "
637 "local/domain master browser "
638 "for workgroup %s from "
639 "address %s\n",
640 wgroup,
641 addr));
642 if (dir) {
643 SAFE_FREE(dir->fname);
644 SAFE_FREE(dir);
645 }
646 errno = EPERM;
647 TALLOC_FREE(frame);
648 return NULL;
649
650 }
651
652 /*
653 * Get a connection to IPC$ on the server if
654 * we do not already have one
655 */
656 srv = SMBC_server(frame, context, True,
657 buserver, "IPC$",
658 &workgroup,
659 &user, &password);
660 if (!srv) {
661 DEBUG(0, ("got no contact to IPC$\n"));
662 if (dir) {
663 SAFE_FREE(dir->fname);
664 SAFE_FREE(dir);
665 }
666 TALLOC_FREE(frame);
667 return NULL;
668
669 }
670
671 dir->srv = srv;
672
673 /* Now, list the servers ... */
674 if (!cli_NetServerEnum(srv->cli, wgroup,
675 0x0000FFFE, list_fn,
676 (void *)dir)) {
677
678 if (dir) {
679 SAFE_FREE(dir->fname);
680 SAFE_FREE(dir);
681 }
682 TALLOC_FREE(frame);
683 return NULL;
684 }
685 } else if (srv ||
686 (resolve_name(server, &rem_ss, 0x20, false))) {
687
688 /*
689 * If we hadn't found the server, get one now
690 */
691 if (!srv) {
692 srv = SMBC_server(frame, context, True,
693 server, "IPC$",
694 &workgroup,
695 &user, &password);
696 }
697
698 if (!srv) {
699 if (dir) {
700 SAFE_FREE(dir->fname);
701 SAFE_FREE(dir);
702 }
703 TALLOC_FREE(frame);
704 return NULL;
705
706 }
707
708 dir->dir_type = SMBC_FILE_SHARE;
709 dir->srv = srv;
710
711 /* List the shares ... */
712
713 if (net_share_enum_rpc(
714 srv->cli,
715 list_fn,
716 (void *) dir) < 0 &&
717 cli_RNetShareEnum(
718 srv->cli,
719 list_fn,
720 (void *)dir) < 0) {
721
722 errno = cli_errno(srv->cli);
723 if (dir) {
724 SAFE_FREE(dir->fname);
725 SAFE_FREE(dir);
726 }
727 TALLOC_FREE(frame);
728 return NULL;
729
730 }
731 } else {
732 /* Neither the workgroup nor server exists */
733 errno = ECONNREFUSED;
734 if (dir) {
735 SAFE_FREE(dir->fname);
736 SAFE_FREE(dir);
737 }
738 TALLOC_FREE(frame);
739 return NULL;
740 }
741
742 }
743 else {
744 /*
745 * The server and share are specified ... work from
746 * there ...
747 */
748 char *targetpath;
749 struct cli_state *targetcli;
750 NTSTATUS status;
751
752 /* We connect to the server and list the directory */
753 dir->dir_type = SMBC_FILE_SHARE;
754
755 srv = SMBC_server(frame, context, True, server, share,
756 &workgroup, &user, &password);
757
758 if (!srv) {
759 if (dir) {
760 SAFE_FREE(dir->fname);
761 SAFE_FREE(dir);
762 }
763 TALLOC_FREE(frame);
764 return NULL;
765 }
766
767 dir->srv = srv;
768
769 /* Now, list the files ... */
770
771 p = path + strlen(path);
772 path = talloc_asprintf_append(path, "\\*");
773 if (!path) {
774 if (dir) {
775 SAFE_FREE(dir->fname);
776 SAFE_FREE(dir);
777 }
778 TALLOC_FREE(frame);
779 return NULL;
780 }
781
782 if (!cli_resolve_path(frame, "", context->internal->auth_info,
783 srv->cli, path,
784 &targetcli, &targetpath)) {
785 d_printf("Could not resolve %s\n", path);
786 if (dir) {
787 SAFE_FREE(dir->fname);
788 SAFE_FREE(dir);
789 }
790 TALLOC_FREE(frame);
791 return NULL;
792 }
793
794 status = cli_list(targetcli, targetpath,
795 aDIR | aSYSTEM | aHIDDEN,
796 dir_list_fn, (void *)dir);
797 if (!NT_STATUS_IS_OK(status)) {
798 if (dir) {
799 SAFE_FREE(dir->fname);
800 SAFE_FREE(dir);
801 }
802 saved_errno = SMBC_errno(context, targetcli);
803
804 if (saved_errno == EINVAL) {
805 /*
806 * See if they asked to opendir
807 * something other than a directory.
808 * If so, the converted error value we
809 * got would have been EINVAL rather
810 * than ENOTDIR.
811 */
812 *p = '\0'; /* restore original path */
813
814 if (SMBC_getatr(context, srv, path,
815 &mode, NULL,
816 NULL, NULL, NULL, NULL,
817 NULL) &&
818 ! IS_DOS_DIR(mode)) {
819
820 /* It is. Correct the error value */
821 saved_errno = ENOTDIR;
822 }
823 }
824
825 /*
826 * If there was an error and the server is no
827 * good any more...
828 */
829 if (cli_is_error(targetcli) &&
830 smbc_getFunctionCheckServer(context)(context, srv)) {
831
832 /* ... then remove it. */
833 if (smbc_getFunctionRemoveUnusedServer(context)(context,
834 srv)) {
835 /*
836 * We could not remove the
837 * server completely, remove
838 * it from the cache so we
839 * will not get it again. It
840 * will be removed when the
841 * last file/dir is closed.
842 */
843 smbc_getFunctionRemoveCachedServer(context)(context, srv);
844 }
845 }
846
847 errno = saved_errno;
848 TALLOC_FREE(frame);
849 return NULL;
850 }
851 }
852
853 }
854
855 DLIST_ADD(context->internal->files, dir);
856 TALLOC_FREE(frame);
857 return dir;
858
859 }
860
861 /*
862 * Routine to close a directory
863 */
864
865 int
866 SMBC_closedir_ctx(SMBCCTX *context,
867 SMBCFILE *dir)
868 {
869 TALLOC_CTX *frame = talloc_stackframe();
870
871 if (!context || !context->internal->initialized) {
872 errno = EINVAL;
873 TALLOC_FREE(frame);
874 return -1;
875 }
876
877 if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
878 errno = EBADF;
879 TALLOC_FREE(frame);
880 return -1;
881 }
882
883 remove_dir(dir); /* Clean it up */
884
885 DLIST_REMOVE(context->internal->files, dir);
886
887 if (dir) {
888
889 SAFE_FREE(dir->fname);
890 SAFE_FREE(dir); /* Free the space too */
891 }
892
893 TALLOC_FREE(frame);
894 return 0;
895
896 }
897
898 static void
899 smbc_readdir_internal(SMBCCTX * context,
900 struct smbc_dirent *dest,
901 struct smbc_dirent *src,
902 int max_namebuf_len)
903 {
904 if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
905
906 /* url-encode the name. get back remaining buffer space */
907 max_namebuf_len =
908 smbc_urlencode(dest->name, src->name, max_namebuf_len);
909
910 /* We now know the name length */
911 dest->namelen = strlen(dest->name);
912
913 /* Save the pointer to the beginning of the comment */
914 dest->comment = dest->name + dest->namelen + 1;
915
916 /* Copy the comment */
917 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
918 dest->comment[max_namebuf_len - 1] = '\0';
919
920 /* Save other fields */
921 dest->smbc_type = src->smbc_type;
922 dest->commentlen = strlen(dest->comment);
923 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
924 (char *) dest);
925 } else {
926
927 /* No encoding. Just copy the entry as is. */
928 memcpy(dest, src, src->dirlen);
929 dest->comment = (char *)(&dest->name + src->namelen + 1);
930 }
931
932 }
933
934 /*
935 * Routine to get a directory entry
936 */
937
938 struct smbc_dirent *
939 SMBC_readdir_ctx(SMBCCTX *context,
940 SMBCFILE *dir)
941 {
942 int maxlen;
943 struct smbc_dirent *dirp, *dirent;
944 TALLOC_CTX *frame = talloc_stackframe();
945
946 /* Check that all is ok first ... */
947
948 if (!context || !context->internal->initialized) {
949
950 errno = EINVAL;
951 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
952 TALLOC_FREE(frame);
953 return NULL;
954
955 }
956
957 if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
958
959 errno = EBADF;
960 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
961 TALLOC_FREE(frame);
962 return NULL;
963
964 }
965
966 if (dir->file != False) { /* FIXME, should be dir, perhaps */
967
968 errno = ENOTDIR;
969 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
970 TALLOC_FREE(frame);
971 return NULL;
972
973 }
974
975 if (!dir->dir_next) {
976 TALLOC_FREE(frame);
977 return NULL;
978 }
979
980 dirent = dir->dir_next->dirent;
981 if (!dirent) {
982
983 errno = ENOENT;
984 TALLOC_FREE(frame);
985 return NULL;
986
987 }
988
989 dirp = &context->internal->dirent;
990 maxlen = sizeof(context->internal->_dirent_name);
991
992 smbc_readdir_internal(context, dirp, dirent, maxlen);
993
994 dir->dir_next = dir->dir_next->next;
995
996 TALLOC_FREE(frame);
997 return dirp;
998 }
999
1000 /*
1001 * Routine to get directory entries
1002 */
1003
1004 int
1005 SMBC_getdents_ctx(SMBCCTX *context,
1006 SMBCFILE *dir,
1007 struct smbc_dirent *dirp,
1008 int count)
1009 {
1010 int rem = count;
1011 int reqd;
1012 int maxlen;
1013 char *ndir = (char *)dirp;
1014 struct smbc_dir_list *dirlist;
1015 TALLOC_CTX *frame = talloc_stackframe();
1016
1017 /* Check that all is ok first ... */
1018
1019 if (!context || !context->internal->initialized) {
1020
1021 errno = EINVAL;
1022 TALLOC_FREE(frame);
1023 return -1;
1024
1025 }
1026
1027 if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1028
1029 errno = EBADF;
1030 TALLOC_FREE(frame);
1031 return -1;
1032
1033 }
1034
1035 if (dir->file != False) { /* FIXME, should be dir, perhaps */
1036
1037 errno = ENOTDIR;
1038 TALLOC_FREE(frame);
1039 return -1;
1040
1041 }
1042
1043 /*
1044 * Now, retrieve the number of entries that will fit in what was passed
1045 * We have to figure out if the info is in the list, or we need to
1046 * send a request to the server to get the info.
1047 */
1048
1049 while ((dirlist = dir->dir_next)) {
1050 struct smbc_dirent *dirent;
1051 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1052
1053 if (!dirlist->dirent) {
1054
1055 errno = ENOENT; /* Bad error */
1056 TALLOC_FREE(frame);
1057 return -1;
1058
1059 }
1060
1061 /* Do urlencoding of next entry, if so selected */
1062 dirent = &context->internal->dirent;
1063 maxlen = sizeof(context->internal->_dirent_name);
1064 smbc_readdir_internal(context, dirent,
1065 dirlist->dirent, maxlen);
1066
1067 reqd = dirent->dirlen;
1068
1069 if (rem < reqd) {
1070
1071 if (rem < count) { /* We managed to copy something */
1072
1073 errno = 0;
1074 TALLOC_FREE(frame);
1075 return count - rem;
1076
1077 }
1078 else { /* Nothing copied ... */
1079
1080 errno = EINVAL; /* Not enough space ... */
1081 TALLOC_FREE(frame);
1082 return -1;
1083
1084 }
1085
1086 }
1087
1088 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1089
1090 currentEntry->comment = &currentEntry->name[0] +
1091 dirent->namelen + 1;
1092
1093 ndir += reqd;
1094 rem -= reqd;
1095
1096 /* Try and align the struct for the next entry
1097 on a valid pointer boundary by appending zeros */
1098 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1099 *ndir = '\0';
1100 rem--;
1101 ndir++;
1102 currentEntry->dirlen++;
1103 }
1104
1105 dir->dir_next = dirlist = dirlist -> next;
1106 }
1107
1108 TALLOC_FREE(frame);
1109
1110 if (rem == count)
1111 return 0;
1112 else
1113 return count - rem;
1114
1115 }
1116
1117 /*
1118 * Routine to create a directory ...
1119 */
1120
1121 int
1122 SMBC_mkdir_ctx(SMBCCTX *context,
1123 const char *fname,
1124 mode_t mode)
1125 {
1126 SMBCSRV *srv = NULL;
1127 char *server = NULL;
1128 char *share = NULL;
1129 char *user = NULL;
1130 char *password = NULL;
1131 char *workgroup = NULL;
1132 char *path = NULL;
1133 char *targetpath = NULL;
1134 struct cli_state *targetcli = NULL;
1135 TALLOC_CTX *frame = talloc_stackframe();
1136
1137 if (!context || !context->internal->initialized) {
1138 errno = EINVAL;
1139 TALLOC_FREE(frame);
1140 return -1;
1141 }
1142
1143 if (!fname) {
1144 errno = EINVAL;
1145 TALLOC_FREE(frame);
1146 return -1;
1147 }
1148
1149 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1150
1151 if (SMBC_parse_path(frame,
1152 context,
1153 fname,
1154 &workgroup,
1155 &server,
1156 &share,
1157 &path,
1158 &user,
1159 &password,
1160 NULL)) {
1161 errno = EINVAL;
1162 TALLOC_FREE(frame);
1163 return -1;
1164 }
1165
1166 if (!user || user[0] == (char)0) {
1167 user = talloc_strdup(frame, smbc_getUser(context));
1168 if (!user) {
1169 errno = ENOMEM;
1170 TALLOC_FREE(frame);
1171 return -1;
1172 }
1173 }
1174
1175 srv = SMBC_server(frame, context, True,
1176 server, share, &workgroup, &user, &password);
1177
1178 if (!srv) {
1179
1180 TALLOC_FREE(frame);
1181 return -1; /* errno set by SMBC_server */
1182
1183 }
1184
1185 /*d_printf(">>>mkdir: resolving %s\n", path);*/
1186 if (!cli_resolve_path(frame, "", context->internal->auth_info,
1187 srv->cli, path,
1188 &targetcli, &targetpath)) {
1189 d_printf("Could not resolve %s\n", path);
1190 errno = ENOENT;
1191 TALLOC_FREE(frame);
1192 return -1;
1193 }
1194 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1195
1196 if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1197 errno = SMBC_errno(context, targetcli);
1198 TALLOC_FREE(frame);
1199 return -1;
1200
1201 }
1202
1203 TALLOC_FREE(frame);
1204 return 0;
1205
1206 }
1207
1208 /*
1209 * Our list function simply checks to see if a directory is not empty
1210 */
1211
1212 static NTSTATUS
1213 rmdir_list_fn(const char *mnt,
1214 struct file_info *finfo,
1215 const char *mask,
1216 void *state)
1217 {
1218 if (strncmp(finfo->name, ".", 1) != 0 &&
1219 strncmp(finfo->name, "..", 2) != 0) {
1220 bool *smbc_rmdir_dirempty = (bool *)state;
1221 *smbc_rmdir_dirempty = false;
1222 }
1223 return NT_STATUS_OK;
1224 }
1225
1226 /*
1227 * Routine to remove a directory
1228 */
1229
1230 int
1231 SMBC_rmdir_ctx(SMBCCTX *context,
1232 const char *fname)
1233 {
1234 SMBCSRV *srv = NULL;
1235 char *server = NULL;
1236 char *share = NULL;
1237 char *user = NULL;
1238 char *password = NULL;
1239 char *workgroup = NULL;
1240 char *path = NULL;
1241 char *targetpath = NULL;
1242 struct cli_state *targetcli = NULL;
1243 TALLOC_CTX *frame = talloc_stackframe();
1244
1245 if (!context || !context->internal->initialized) {
1246 errno = EINVAL;
1247 TALLOC_FREE(frame);
1248 return -1;
1249 }
1250
1251 if (!fname) {
1252 errno = EINVAL;
1253 TALLOC_FREE(frame);
1254 return -1;
1255 }
1256
1257 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1258
1259 if (SMBC_parse_path(frame,
1260 context,
1261 fname,
1262 &workgroup,
1263 &server,
1264 &share,
1265 &path,
1266 &user,
1267 &password,
1268 NULL)) {
1269 errno = EINVAL;
1270 TALLOC_FREE(frame);
1271 return -1;
1272 }
1273
1274 if (!user || user[0] == (char)0) {
1275 user = talloc_strdup(frame, smbc_getUser(context));
1276 if (!user) {
1277 errno = ENOMEM;
1278 TALLOC_FREE(frame);
1279 return -1;
1280 }
1281 }
1282
1283 srv = SMBC_server(frame, context, True,
1284 server, share, &workgroup, &user, &password);
1285
1286 if (!srv) {
1287
1288 TALLOC_FREE(frame);
1289 return -1; /* errno set by SMBC_server */
1290
1291 }
1292
1293 /*d_printf(">>>rmdir: resolving %s\n", path);*/
1294 if (!cli_resolve_path(frame, "", context->internal->auth_info,
1295 srv->cli, path,
1296 &targetcli, &targetpath)) {
1297 d_printf("Could not resolve %s\n", path);
1298 errno = ENOENT;
1299 TALLOC_FREE(frame);
1300 return -1;
1301 }
1302 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1303
1304 if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1305
1306 errno = SMBC_errno(context, targetcli);
1307
1308 if (errno == EACCES) { /* Check if the dir empty or not */
1309
1310 /* Local storage to avoid buffer overflows */
1311 char *lpath;
1312 bool smbc_rmdir_dirempty = true;
1313 NTSTATUS status;
1314
1315 lpath = talloc_asprintf(frame, "%s\\*",
1316 targetpath);
1317 if (!lpath) {
1318 errno = ENOMEM;
1319 TALLOC_FREE(frame);
1320 return -1;
1321 }
1322
1323 status = cli_list(targetcli, lpath,
1324 aDIR | aSYSTEM | aHIDDEN,
1325 rmdir_list_fn,
1326 &smbc_rmdir_dirempty);
1327
1328 if (!NT_STATUS_IS_OK(status)) {
1329 /* Fix errno to ignore latest error ... */
1330 DEBUG(5, ("smbc_rmdir: "
1331 "cli_list returned an error: %d\n",
1332 SMBC_errno(context, targetcli)));
1333 errno = EACCES;
1334
1335 }
1336
1337 if (smbc_rmdir_dirempty)
1338 errno = EACCES;
1339 else
1340 errno = ENOTEMPTY;
1341
1342 }
1343
1344 TALLOC_FREE(frame);
1345 return -1;
1346
1347 }
1348
1349 TALLOC_FREE(frame);
1350 return 0;
1351
1352 }
1353
1354 /*
1355 * Routine to return the current directory position
1356 */
1357
1358 off_t
1359 SMBC_telldir_ctx(SMBCCTX *context,
1360 SMBCFILE *dir)
1361 {
1362 TALLOC_CTX *frame = talloc_stackframe();
1363
1364 if (!context || !context->internal->initialized) {
1365
1366 errno = EINVAL;
1367 TALLOC_FREE(frame);
1368 return -1;
1369
1370 }
1371
1372 if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1373
1374 errno = EBADF;
1375 TALLOC_FREE(frame);
1376 return -1;
1377
1378 }
1379
1380 if (dir->file != False) { /* FIXME, should be dir, perhaps */
1381
1382 errno = ENOTDIR;
1383 TALLOC_FREE(frame);
1384 return -1;
1385
1386 }
1387
1388 /* See if we're already at the end. */
1389 if (dir->dir_next == NULL) {
1390 /* We are. */
1391 TALLOC_FREE(frame);
1392 return -1;
1393 }
1394
1395 /*
1396 * We return the pointer here as the offset
1397 */
1398 TALLOC_FREE(frame);
1399 return (off_t)(long)dir->dir_next->dirent;
1400 }
1401
1402 /*
1403 * A routine to run down the list and see if the entry is OK
1404 */
1405
1406 static struct smbc_dir_list *
1407 check_dir_ent(struct smbc_dir_list *list,
1408 struct smbc_dirent *dirent)
1409 {
1410
1411 /* Run down the list looking for what we want */
1412
1413 if (dirent) {
1414
1415 struct smbc_dir_list *tmp = list;
1416
1417 while (tmp) {
1418
1419 if (tmp->dirent == dirent)
1420 return tmp;
1421
1422 tmp = tmp->next;
1423
1424 }
1425
1426 }
1427
1428 return NULL; /* Not found, or an error */
1429
1430 }
1431
1432
1433 /*
1434 * Routine to seek on a directory
1435 */
1436
1437 int
1438 SMBC_lseekdir_ctx(SMBCCTX *context,
1439 SMBCFILE *dir,
1440 off_t offset)
1441 {
1442 long int l_offset = offset; /* Handle problems of size */
1443 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1444 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1445 TALLOC_CTX *frame = talloc_stackframe();
1446
1447 if (!context || !context->internal->initialized) {
1448
1449 errno = EINVAL;
1450 TALLOC_FREE(frame);
1451 return -1;
1452
1453 }
1454
1455 if (dir->file != False) { /* FIXME, should be dir, perhaps */
1456
1457 errno = ENOTDIR;
1458 TALLOC_FREE(frame);
1459 return -1;
1460
1461 }
1462
1463 /* Now, check what we were passed and see if it is OK ... */
1464
1465 if (dirent == NULL) { /* Seek to the begining of the list */
1466
1467 dir->dir_next = dir->dir_list;
1468 TALLOC_FREE(frame);
1469 return 0;
1470
1471 }
1472
1473 if (offset == -1) { /* Seek to the end of the list */
1474 dir->dir_next = NULL;
1475 TALLOC_FREE(frame);
1476 return 0;
1477 }
1478
1479 /* Now, run down the list and make sure that the entry is OK */
1480 /* This may need to be changed if we change the format of the list */
1481
1482 if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1483 errno = EINVAL; /* Bad entry */
1484 TALLOC_FREE(frame);
1485 return -1;
1486 }
1487
1488 dir->dir_next = list_ent;
1489
1490 TALLOC_FREE(frame);
1491 return 0;
1492 }
1493
1494 /*
1495 * Routine to fstat a dir
1496 */
1497
1498 int
1499 SMBC_fstatdir_ctx(SMBCCTX *context,
1500 SMBCFILE *dir,
1501 struct stat *st)
1502 {
1503
1504 if (!context || !context->internal->initialized) {
1505
1506 errno = EINVAL;
1507 return -1;
1508 }
1509
1510 /* No code yet ... */
1511 return 0;
1512 }
1513
1514 int
1515 SMBC_chmod_ctx(SMBCCTX *context,
1516 const char *fname,
1517 mode_t newmode)
1518 {
1519 SMBCSRV *srv = NULL;
1520 char *server = NULL;
1521 char *share = NULL;
1522 char *user = NULL;
1523 char *password = NULL;
1524 char *workgroup = NULL;
1525 char *targetpath = NULL;
1526 struct cli_state *targetcli = NULL;
1527 char *path = NULL;
1528 uint16 mode;
1529 TALLOC_CTX *frame = talloc_stackframe();
1530
1531 if (!context || !context->internal->initialized) {
1532
1533 errno = EINVAL; /* Best I can think of ... */
1534 TALLOC_FREE(frame);
1535 return -1;
1536 }
1537
1538 if (!fname) {
1539 errno = EINVAL;
1540 TALLOC_FREE(frame);
1541 return -1;
1542 }
1543
1544 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1545
1546 if (SMBC_parse_path(frame,
1547 context,
1548 fname,
1549 &workgroup,
1550 &server,
1551 &share,
1552 &path,
1553 &user,
1554 &password,
1555 NULL)) {
1556 errno = EINVAL;
1557 TALLOC_FREE(frame);
1558 return -1;
1559 }
1560
1561 if (!user || user[0] == (char)0) {
1562 user = talloc_strdup(frame, smbc_getUser(context));
1563 if (!user) {
1564 errno = ENOMEM;
1565 TALLOC_FREE(frame);
1566 return -1;
1567 }
1568 }
1569
1570 srv = SMBC_server(frame, context, True,
1571 server, share, &workgroup, &user, &password);
1572
1573 if (!srv) {
1574 TALLOC_FREE(frame);
1575 return -1; /* errno set by SMBC_server */
1576 }
1577
1578 /*d_printf(">>>unlink: resolving %s\n", path);*/
1579 if (!cli_resolve_path(frame, "", context->internal->auth_info,
1580 srv->cli, path,
1581 &targetcli, &targetpath)) {
1582 d_printf("Could not resolve %s\n", path);
1583 errno = ENOENT;
1584 TALLOC_FREE(frame);
1585 return -1;
1586 }
1587
1588 mode = 0;
1589
1590 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
1591 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
1592 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
1593 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
1594
1595 if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1596 errno = SMBC_errno(context, targetcli);
1597 TALLOC_FREE(frame);
1598 return -1;
1599 }
1600
1601 TALLOC_FREE(frame);
1602 return 0;
1603 }
1604
1605 int
1606 SMBC_utimes_ctx(SMBCCTX *context,
1607 const char *fname,
1608 struct timeval *tbuf)
1609 {
1610 SMBCSRV *srv = NULL;
1611 char *server = NULL;
1612 char *share = NULL;
1613 char *user = NULL;
1614 char *password = NULL;
1615 char *workgroup = NULL;
1616 char *path = NULL;
1617 time_t access_time;
1618 time_t write_time;
1619 TALLOC_CTX *frame = talloc_stackframe();
1620
1621 if (!context || !context->internal->initialized) {
1622
1623 errno = EINVAL; /* Best I can think of ... */
1624 TALLOC_FREE(frame);
1625 return -1;
1626 }
1627
1628 if (!fname) {
1629 errno = EINVAL;
1630 TALLOC_FREE(frame);
1631 return -1;
1632 }
1633
1634 if (tbuf == NULL) {
1635 access_time = write_time = time(NULL);
1636 } else {
1637 access_time = tbuf[0].tv_sec;
1638 write_time = tbuf[1].tv_sec;
1639 }
1640
1641 if (DEBUGLVL(4)) {
1642 char *p;
1643 char atimebuf[32];
1644 char mtimebuf[32];
1645
1646 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1647 atimebuf[sizeof(atimebuf) - 1] = '\0';
1648 if ((p = strchr(atimebuf, '\n')) != NULL) {
1649 *p = '\0';
1650 }
1651
1652 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1653 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1654 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1655 *p = '\0';
1656 }
1657
1658 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1659 fname, atimebuf, mtimebuf);
1660 }
1661
1662 if (SMBC_parse_path(frame,
1663 context,
1664 fname,
1665 &workgroup,
1666 &server,
1667 &share,
1668 &path,
1669 &user,
1670 &password,
1671 NULL)) {
1672 errno = EINVAL;
1673 TALLOC_FREE(frame);
1674 return -1;
1675 }
1676
1677 if (!user || user[0] == (char)0) {
1678 user = talloc_strdup(frame, smbc_getUser(context));
1679 if (!user) {
1680 errno = ENOMEM;
1681 TALLOC_FREE(frame);
1682 return -1;
1683 }
1684 }
1685
1686 srv = SMBC_server(frame, context, True,
1687 server, share, &workgroup, &user, &password);
1688
1689 if (!srv) {
1690 TALLOC_FREE(frame);
1691 return -1; /* errno set by SMBC_server */
1692 }
1693
1694 if (!SMBC_setatr(context, srv, path,
1695 0, access_time, write_time, 0, 0)) {
1696 TALLOC_FREE(frame);
1697 return -1; /* errno set by SMBC_setatr */
1698 }
1699
1700 TALLOC_FREE(frame);
1701 return 0;
1702 }
1703
1704 /*
1705 * Routine to unlink() a file
1706 */
1707
1708 int
1709 SMBC_unlink_ctx(SMBCCTX *context,
1710 const char *fname)
1711 {
1712 char *server = NULL;
1713 char *share = NULL;
1714 char *user = NULL;
1715 char *password = NULL;
1716 char *workgroup = NULL;
1717 char *path = NULL;
1718 char *targetpath = NULL;
1719 struct cli_state *targetcli = NULL;
1720 SMBCSRV *srv = NULL;
1721 TALLOC_CTX *frame = talloc_stackframe();
1722
1723 if (!context || !context->internal->initialized) {
1724
1725 errno = EINVAL; /* Best I can think of ... */
1726 TALLOC_FREE(frame);
1727 return -1;
1728
1729 }
1730
1731 if (!fname) {
1732 errno = EINVAL;
1733 TALLOC_FREE(frame);
1734 return -1;
1735
1736 }
1737
1738 if (SMBC_parse_path(frame,
1739 context,
1740 fname,
1741 &workgroup,
1742 &server,
1743 &share,
1744 &path,
1745 &user,
1746 &password,
1747 NULL)) {
1748 errno = EINVAL;
1749 TALLOC_FREE(frame);
1750 return -1;
1751 }
1752
1753 if (!user || user[0] == (char)0) {
1754 user = talloc_strdup(frame, smbc_getUser(context));
1755 if (!user) {
1756 errno = ENOMEM;
1757 TALLOC_FREE(frame);
1758 return -1;
1759 }
1760 }
1761
1762 srv = SMBC_server(frame, context, True,
1763 server, share, &workgroup, &user, &password);
1764
1765 if (!srv) {
1766 TALLOC_FREE(frame);
1767 return -1; /* SMBC_server sets errno */
1768
1769 }
1770
1771 /*d_printf(">>>unlink: resolving %s\n", path);*/
1772 if (!cli_resolve_path(frame, "", context->internal->auth_info,
1773 srv->cli, path,
1774 &targetcli, &targetpath)) {
1775 d_printf("Could not resolve %s\n", path);
1776 errno = ENOENT;
1777 TALLOC_FREE(frame);
1778 return -1;
1779 }
1780 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1781
1782 if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, aSYSTEM | aHIDDEN))) {
1783
1784 errno = SMBC_errno(context, targetcli);
1785
1786 if (errno == EACCES) { /* Check if the file is a directory */
1787
1788 int saverr = errno;
1789 SMB_OFF_T size = 0;
1790 uint16 mode = 0;
1791 struct timespec write_time_ts;
1792 struct timespec access_time_ts;
1793 struct timespec change_time_ts;
1794 SMB_INO_T ino = 0;
1795
1796 if (!SMBC_getatr(context, srv, path, &mode, &size,
1797 NULL,
1798 &access_time_ts,
1799 &write_time_ts,
1800 &change_time_ts,
1801 &ino)) {
1802
1803 /* Hmmm, bad error ... What? */
1804
1805 errno = SMBC_errno(context, targetcli);
1806 TALLOC_FREE(frame);
1807 return -1;
1808
1809 }
1810 else {
1811
1812 if (IS_DOS_DIR(mode))
1813 errno = EISDIR;
1814 else
1815 errno = saverr; /* Restore this */
1816
1817 }
1818 }
1819
1820 TALLOC_FREE(frame);
1821 return -1;
1822
1823 }
1824
1825 TALLOC_FREE(frame);
1826 return 0; /* Success ... */
1827
1828 }
1829
1830 /*
1831 * Routine to rename() a file
1832 */
1833
1834 int
1835 SMBC_rename_ctx(SMBCCTX *ocontext,
1836 const char *oname,
1837 SMBCCTX *ncontext,
1838 const char *nname)
1839 {
1840 char *server1 = NULL;
1841 char *share1 = NULL;
1842 char *server2 = NULL;
1843 char *share2 = NULL;
1844 char *user1 = NULL;
1845 char *user2 = NULL;
1846 char *password1 = NULL;
1847 char *password2 = NULL;
1848 char *workgroup = NULL;
1849 char *path1 = NULL;
1850 char *path2 = NULL;
1851 char *targetpath1 = NULL;
1852 char *targetpath2 = NULL;
1853 struct cli_state *targetcli1 = NULL;
1854 struct cli_state *targetcli2 = NULL;
1855 SMBCSRV *srv = NULL;
1856 TALLOC_CTX *frame = talloc_stackframe();
1857
1858 if (!ocontext || !ncontext ||
1859 !ocontext->internal->initialized ||
1860 !ncontext->internal->initialized) {
1861
1862 errno = EINVAL; /* Best I can think of ... */
1863 TALLOC_FREE(frame);
1864 return -1;
1865 }
1866
1867 if (!oname || !nname) {
1868 errno = EINVAL;
1869 TALLOC_FREE(frame);
1870 return -1;
1871 }
1872
1873 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1874
1875 if (SMBC_parse_path(frame,
1876 ocontext,
1877 oname,
1878 &workgroup,
1879 &server1,
1880 &share1,
1881 &path1,
1882 &user1,
1883 &password1,
1884 NULL)) {
1885 errno = EINVAL;
1886 TALLOC_FREE(frame);
1887 return -1;
1888 }
1889
1890 if (!user1 || user1[0] == (char)0) {
1891 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1892 if (!user1) {
1893 errno = ENOMEM;
1894 TALLOC_FREE(frame);
1895 return -1;
1896 }
1897 }
1898
1899 if (SMBC_parse_path(frame,
1900 ncontext,
1901 nname,
1902 NULL,
1903 &server2,
1904 &share2,
1905 &path2,
1906 &user2,
1907 &password2,
1908 NULL)) {
1909 errno = EINVAL;
1910 TALLOC_FREE(frame);
1911 return -1;
1912 }
1913
1914 if (!user2 || user2[0] == (char)0) {
1915 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1916 if (!user2) {
1917 errno = ENOMEM;
1918 TALLOC_FREE(frame);
1919 return -1;
1920 }
1921 }
1922
1923 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1924 strcmp(user1, user2)) {
1925 /* Can't rename across file systems, or users?? */
1926 errno = EXDEV;
1927 TALLOC_FREE(frame);
1928 return -1;
1929 }
1930
1931 srv = SMBC_server(frame, ocontext, True,
1932 server1, share1, &workgroup, &user1, &password1);
1933 if (!srv) {
1934 TALLOC_FREE(frame);
1935 return -1;
1936
1937 }
1938
1939 /* set the credentials to make DFS work */
1940 smbc_set_credentials_with_fallback(ocontext,
1941 workgroup,
1942 user1,
1943 password1);
1944
1945 /*d_printf(">>>rename: resolving %s\n", path1);*/
1946 if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1947 srv->cli,
1948 path1,
1949 &targetcli1, &targetpath1)) {
1950 d_printf("Could not resolve %s\n", path1);
1951 errno = ENOENT;
1952 TALLOC_FREE(frame);
1953 return -1;
1954 }
1955
1956 /* set the credentials to make DFS work */
1957 smbc_set_credentials_with_fallback(ncontext,
1958 workgroup,
1959 user2,
1960 password2);
1961
1962 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1963 /*d_printf(">>>rename: resolving %s\n", path2);*/
1964 if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1965 srv->cli,
1966 path2,
1967 &targetcli2, &targetpath2)) {
1968 d_printf("Could not resolve %s\n", path2);
1969 errno = ENOENT;
1970 TALLOC_FREE(frame);
1971 return -1;
1972 }
1973 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1974
1975 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1976 strcmp(targetcli1->share, targetcli2->share))
1977 {
1978 /* can't rename across file systems */
1979 errno = EXDEV;
1980 TALLOC_FREE(frame);
1981 return -1;
1982 }
1983
1984 if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
1985 int eno = SMBC_errno(ocontext, targetcli1);
1986
1987 if (eno != EEXIST ||
1988 !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, aSYSTEM | aHIDDEN)) ||
1989 !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
1990
1991 errno = eno;
1992 TALLOC_FREE(frame);
1993 return -1;
1994
1995 }
1996 }
1997
1998 TALLOC_FREE(frame);
1999 return 0; /* Success */
2000 }
2001
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