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Fix an uninitialized variable
[Samba.git] / source / libsmb / libsmbclient.c
blobb654ea07f0f7810a56d31a96f79056b7c1f9c1d2
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, 2004
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "includes.h"
25
26 #include "include/libsmb_internal.h"
27
28 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir);
29 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
30 struct smbc_dirent *dirent);
31
32 /*
33 * DOS Attribute values (used internally)
34 */
35 typedef struct DOS_ATTR_DESC {
36 int mode;
37 SMB_OFF_T size;
38 time_t create_time;
39 time_t access_time;
40 time_t write_time;
41 time_t change_time;
42 SMB_INO_T inode;
43 } DOS_ATTR_DESC;
44
45
46 /*
47 * Internal flags for extended attributes
48 */
49
50 /* internal mode values */
51 #define SMBC_XATTR_MODE_ADD 1
52 #define SMBC_XATTR_MODE_REMOVE 2
53 #define SMBC_XATTR_MODE_REMOVE_ALL 3
54 #define SMBC_XATTR_MODE_SET 4
55 #define SMBC_XATTR_MODE_CHOWN 5
56 #define SMBC_XATTR_MODE_CHGRP 6
57
58 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
59
60 /*We should test for this in configure ... */
61 #ifndef ENOTSUP
62 #define ENOTSUP EOPNOTSUPP
63 #endif
64
65 /*
66 * Functions exported by libsmb_cache.c that we need here
67 */
68 int smbc_default_cache_functions(SMBCCTX *context);
69
70 /*
71 * check if an element is part of the list.
72 * FIXME: Does not belong here !
73 * Can anyone put this in a macro in dlinklist.h ?
74 * -- Tom
75 */
76 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
77 if (!p || !list) return False;
78 do {
79 if (p == list) return True;
80 list = list->next;
81 } while (list);
82 return False;
83 }
84
85 /*
86 * Find an lsa pipe handle associated with a cli struct.
87 */
88 static struct rpc_pipe_client *
89 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
90 {
91 struct rpc_pipe_client *pipe_hnd;
92
93 for (pipe_hnd = ipc_cli->pipe_list;
94 pipe_hnd;
95 pipe_hnd = pipe_hnd->next) {
96
97 if (pipe_hnd->pipe_idx == PI_LSARPC) {
98 return pipe_hnd;
99 }
100 }
101
102 return NULL;
103 }
104
105 static int
106 smbc_close_ctx(SMBCCTX *context,
107 SMBCFILE *file);
108 static off_t
109 smbc_lseek_ctx(SMBCCTX *context,
110 SMBCFILE *file,
111 off_t offset,
112 int whence);
113
114 extern bool in_client;
115
116 /*
117 * Is the logging working / configfile read ?
118 */
119 static int smbc_initialized = 0;
120
121 static int
122 hex2int( unsigned int _char )
123 {
124 if ( _char >= 'A' && _char <='F')
125 return _char - 'A' + 10;
126 if ( _char >= 'a' && _char <='f')
127 return _char - 'a' + 10;
128 if ( _char >= '0' && _char <='9')
129 return _char - '0';
130 return -1;
131 }
132
133 /*
134 * smbc_urldecode()
135 * and smbc_urldecode_talloc() (internal fn.)
136 *
137 * Convert strings of %xx to their single character equivalent. Each 'x' must
138 * be a valid hexadecimal digit, or that % sequence is left undecoded.
139 *
140 * dest may, but need not be, the same pointer as src.
141 *
142 * Returns the number of % sequences which could not be converted due to lack
143 * of two following hexadecimal digits.
144 */
145 static int
146 smbc_urldecode_talloc(TALLOC_CTX *ctx, char **pp_dest, const char *src)
147 {
148 int old_length = strlen(src);
149 int i = 0;
150 int err_count = 0;
151 size_t newlen = 1;
152 char *p, *dest;
153
154 if (old_length == 0) {
155 return 0;
156 }
157
158 *pp_dest = NULL;
159 for (i = 0; i < old_length; ) {
160 unsigned char character = src[i++];
161
162 if (character == '%') {
163 int a = i+1 < old_length ? hex2int(src[i]) : -1;
164 int b = i+1 < old_length ? hex2int(src[i+1]) : -1;
165
166 /* Replace valid sequence */
167 if (a != -1 && b != -1) {
168 /* Replace valid %xx sequence with %dd */
169 character = (a * 16) + b;
170 if (character == '\0') {
171 break; /* Stop at %00 */
172 }
173 i += 2;
174 } else {
175 err_count++;
176 }
177 }
178 newlen++;
179 }
180
181 dest = TALLOC_ARRAY(ctx, char, newlen);
182 if (!dest) {
183 return err_count;
184 }
185
186 err_count = 0;
187 for (p = dest, i = 0; i < old_length; ) {
188 unsigned char character = src[i++];
189
190 if (character == '%') {
191 int a = i+1 < old_length ? hex2int(src[i]) : -1;
192 int b = i+1 < old_length ? hex2int(src[i+1]) : -1;
193
194 /* Replace valid sequence */
195 if (a != -1 && b != -1) {
196 /* Replace valid %xx sequence with %dd */
197 character = (a * 16) + b;
198 if (character == '\0') {
199 break; /* Stop at %00 */
200 }
201 i += 2;
202 } else {
203 err_count++;
204 }
205 }
206 *p++ = character;
207 }
208
209 *p = '\0';
210 *pp_dest = dest;
211 return err_count;
212 }
213
214 int
215 smbc_urldecode(char *dest, char *src, size_t max_dest_len)
216 {
217 TALLOC_CTX *frame = talloc_stackframe();
218 char *pdest;
219 int ret = smbc_urldecode_talloc(frame, &pdest, src);
220
221 if (pdest) {
222 strlcpy(dest, pdest, max_dest_len);
223 }
224 TALLOC_FREE(frame);
225 return ret;
226 }
227
228 /*
229 * smbc_urlencode()
230 *
231 * Convert any characters not specifically allowed in a URL into their %xx
232 * equivalent.
233 *
234 * Returns the remaining buffer length.
235 */
236 int
237 smbc_urlencode(char *dest, char *src, int max_dest_len)
238 {
239 char hex[] = "0123456789ABCDEF";
240
241 for (; *src != '\0' && max_dest_len >= 3; src++) {
242
243 if ((*src < '0' &&
244 *src != '-' &&
245 *src != '.') ||
246 (*src > '9' &&
247 *src < 'A') ||
248 (*src > 'Z' &&
249 *src < 'a' &&
250 *src != '_') ||
251 (*src > 'z')) {
252 *dest++ = '%';
253 *dest++ = hex[(*src >> 4) & 0x0f];
254 *dest++ = hex[*src & 0x0f];
255 max_dest_len -= 3;
256 } else {
257 *dest++ = *src;
258 max_dest_len--;
259 }
260 }
261
262 *dest++ = '\0';
263 max_dest_len--;
264
265 return max_dest_len;
266 }
267
268 /*
269 * Function to parse a path and turn it into components
270 *
271 * The general format of an SMB URI is explain in Christopher Hertel's CIFS
272 * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the
273 * general format ("smb:" only; we do not look for "cifs:").
274 *
275 *
276 * We accept:
277 * smb://[[[domain;]user[:password]@]server[/share[/path[/file]]]][?options]
278 *
279 * Meaning of URLs:
280 *
281 * smb:// Show all workgroups.
282 *
283 * The method of locating the list of workgroups varies
284 * depending upon the setting of the context variable
285 * context->options.browse_max_lmb_count. This value
286 * determine the maximum number of local master browsers to
287 * query for the list of workgroups. In order to ensure that
288 * a complete list of workgroups is obtained, all master
289 * browsers must be queried, but if there are many
290 * workgroups, the time spent querying can begin to add up.
291 * For small networks (not many workgroups), it is suggested
292 * that this variable be set to 0, indicating query all local
293 * master browsers. When the network has many workgroups, a
294 * reasonable setting for this variable might be around 3.
295 *
296 * smb://name/ if name<1D> or name<1B> exists, list servers in
297 * workgroup, else, if name<20> exists, list all shares
298 * for server ...
299 *
300 * If "options" are provided, this function returns the entire option list as a
301 * string, for later parsing by the caller. Note that currently, no options
302 * are supported.
303 */
304
305 static const char *smbc_prefix = "smb:";
306
307 static int
308 smbc_parse_path(TALLOC_CTX *ctx,
309 SMBCCTX *context,
310 const char *fname,
311 char **pp_workgroup,
312 char **pp_server,
313 char **pp_share,
314 char **pp_path,
315 char **pp_user,
316 char **pp_password,
317 char **pp_options)
318 {
319 char *s;
320 const char *p;
321 char *q, *r;
322 int len;
323
324 /* Ensure these returns are at least valid pointers. */
325 *pp_server = talloc_strdup(ctx, "");
326 *pp_share = talloc_strdup(ctx, "");
327 *pp_path = talloc_strdup(ctx, "");
328 *pp_user = talloc_strdup(ctx, "");
329 *pp_password = talloc_strdup(ctx, "");
330
331 if (!*pp_server || !*pp_share || !*pp_path ||
332 !*pp_user || !*pp_password) {
333 return -1;
334 }
335
336 /*
337 * Assume we wont find an authentication domain to parse, so default
338 * to the workgroup in the provided context.
339 */
340 if (pp_workgroup != NULL) {
341 *pp_workgroup = talloc_strdup(ctx, context->workgroup);
342 }
343
344 if (pp_options) {
345 *pp_options = talloc_strdup(ctx, "");
346 }
347 s = talloc_strdup(ctx, fname);
348
349 /* see if it has the right prefix */
350 len = strlen(smbc_prefix);
351 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
352 return -1; /* What about no smb: ? */
353 }
354
355 p = s + len;
356
357 /* Watch the test below, we are testing to see if we should exit */
358
359 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
360 DEBUG(1, ("Invalid path (does not begin with smb://"));
361 return -1;
362 }
363
364 p += 2; /* Skip the double slash */
365
366 /* See if any options were specified */
367 if ((q = strrchr(p, '?')) != NULL ) {
368 /* There are options. Null terminate here and point to them */
369 *q++ = '\0';
370
371 DEBUG(4, ("Found options '%s'", q));
372
373 /* Copy the options */
374 if (*pp_options != NULL) {
375 TALLOC_FREE(*pp_options);
376 *pp_options = talloc_strdup(ctx, q);
377 }
378 }
379
380 if (*p == '\0') {
381 goto decoding;
382 }
383
384 if (*p == '/') {
385 int wl = strlen(context->workgroup);
386
387 if (wl > 16) {
388 wl = 16;
389 }
390
391 *pp_server = talloc_strdup(ctx, context->workgroup);
392 if (!*pp_server) {
393 return -1;
394 }
395 *pp_server[wl] = '\0';
396 return 0;
397 }
398
399 /*
400 * ok, its for us. Now parse out the server, share etc.
401 *
402 * However, we want to parse out [[domain;]user[:password]@] if it
403 * exists ...
404 */
405
406 /* check that '@' occurs before '/', if '/' exists at all */
407 q = strchr_m(p, '@');
408 r = strchr_m(p, '/');
409 if (q && (!r || q < r)) {
410 char *userinfo = NULL;
411 const char *u;
412
413 next_token_no_ltrim_talloc(ctx, &p, &userinfo, "@");
414 if (!userinfo) {
415 return -1;
416 }
417 u = userinfo;
418
419 if (strchr_m(u, ';')) {
420 char *workgroup;
421 next_token_no_ltrim_talloc(ctx, &u, &workgroup, ";");
422 if (!workgroup) {
423 return -1;
424 }
425 if (pp_workgroup) {
426 *pp_workgroup = workgroup;
427 }
428 }
429
430 if (strchr_m(u, ':')) {
431 next_token_no_ltrim_talloc(ctx, &u, pp_user, ":");
432 if (!*pp_user) {
433 return -1;
434 }
435 *pp_password = talloc_strdup(ctx, u);
436 if (!*pp_password) {
437 return -1;
438 }
439 } else {
440 *pp_user = talloc_strdup(ctx, u);
441 if (!*pp_user) {
442 return -1;
443 }
444 }
445 }
446
447 if (!next_token_talloc(ctx, &p, pp_server, "/")) {
448 return -1;
449 }
450
451 if (*p == (char)0) {
452 goto decoding; /* That's it ... */
453 }
454
455 if (!next_token_talloc(ctx, &p, pp_share, "/")) {
456 return -1;
457 }
458
459 /*
460 * Prepend a leading slash if there's a file path, as required by
461 * NetApp filers.
462 */
463 if (*p != '\0') {
464 *pp_path = talloc_asprintf(ctx,
465 "\\%s",
466 p);
467 } else {
468 *pp_path = talloc_strdup(ctx, "");
469 }
470 if (!*pp_path) {
471 return -1;
472 }
473 string_replace(*pp_path, '/', '\\');
474
475 decoding:
476
477 (void) smbc_urldecode_talloc(ctx, pp_path, *pp_path);
478 (void) smbc_urldecode_talloc(ctx, pp_server, *pp_server);
479 (void) smbc_urldecode_talloc(ctx, pp_share, *pp_share);
480 (void) smbc_urldecode_talloc(ctx, pp_user, *pp_user);
481 (void) smbc_urldecode_talloc(ctx, pp_password, *pp_password);
482
483 return 0;
484 }
485
486 /*
487 * Verify that the options specified in a URL are valid
488 */
489 static int
490 smbc_check_options(char *server,
491 char *share,
492 char *path,
493 char *options)
494 {
495 DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
496 "path='%s' options='%s'\n",
497 server, share, path, options));
498
499 /* No options at all is always ok */
500 if (! *options) return 0;
501
502 /* Currently, we don't support any options. */
503 return -1;
504 }
505
506 /*
507 * Convert an SMB error into a UNIX error ...
508 */
509 static int
510 smbc_errno(SMBCCTX *context,
511 struct cli_state *c)
512 {
513 int ret = cli_errno(c);
514
515 if (cli_is_dos_error(c)) {
516 uint8 eclass;
517 uint32 ecode;
518
519 cli_dos_error(c, &eclass, &ecode);
520
521 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
522 (int)eclass, (int)ecode, (int)ecode, ret));
523 } else {
524 NTSTATUS status;
525
526 status = cli_nt_error(c);
527
528 DEBUG(3,("smbc errno %s -> %d\n",
529 nt_errstr(status), ret));
530 }
531
532 return ret;
533 }
534
535 /*
536 * Check a server for being alive and well.
537 * returns 0 if the server is in shape. Returns 1 on error
538 *
539 * Also useable outside libsmbclient to enable external cache
540 * to do some checks too.
541 */
542 static int
543 smbc_check_server(SMBCCTX * context,
544 SMBCSRV * server)
545 {
546 socklen_t size;
547 struct sockaddr addr;
548
549 size = sizeof(addr);
550 return (getpeername(server->cli->fd, &addr, &size) == -1);
551 }
552
553 /*
554 * Remove a server from the cached server list it's unused.
555 * On success, 0 is returned. 1 is returned if the server could not be removed.
556 *
557 * Also useable outside libsmbclient
558 */
559 int
560 smbc_remove_unused_server(SMBCCTX * context,
561 SMBCSRV * srv)
562 {
563 SMBCFILE * file;
564
565 /* are we being fooled ? */
566 if (!context || !context->internal ||
567 !context->internal->_initialized || !srv) return 1;
568
569
570 /* Check all open files/directories for a relation with this server */
571 for (file = context->internal->_files; file; file=file->next) {
572 if (file->srv == srv) {
573 /* Still used */
574 DEBUG(3, ("smbc_remove_usused_server: "
575 "%p still used by %p.\n",
576 srv, file));
577 return 1;
578 }
579 }
580
581 DLIST_REMOVE(context->internal->_servers, srv);
582
583 cli_shutdown(srv->cli);
584 srv->cli = NULL;
585
586 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
587
588 (context->callbacks.remove_cached_srv_fn)(context, srv);
589
590 SAFE_FREE(srv);
591 return 0;
592 }
593
594 static SMBCSRV *
595 find_server(SMBCCTX *context,
596 const char *server,
597 const char *share,
598 char *workgroup,
599 char *username,
600 char *password)
601 {
602 SMBCSRV *srv;
603 int auth_called = 0;
604
605 check_server_cache:
606
607 srv = (context->callbacks.get_cached_srv_fn)(context, server, share,
608 workgroup, username);
609
610 if (!auth_called && !srv && (!username[0] || !password[0])) {
611 if (context->internal->_auth_fn_with_context != NULL) {
612 (context->internal->_auth_fn_with_context)(
613 context,
614 server, share,
615 workgroup, strlen(workgroup)+1,
616 username, strlen(username)+1,
617 password, strlen(password)+1);
618 } else {
619 (context->callbacks.auth_fn)(
620 server, share,
621 workgroup, strlen(workgroup)+1,
622 username, strlen(username)+1,
623 password, strlen(password)+1);
624 }
625
626 /*
627 * However, smbc_auth_fn may have picked up info relating to
628 * an existing connection, so try for an existing connection
629 * again ...
630 */
631 auth_called = 1;
632 goto check_server_cache;
633
634 }
635
636 if (srv) {
637 if ((context->callbacks.check_server_fn)(context, srv)) {
638 /*
639 * This server is no good anymore
640 * Try to remove it and check for more possible
641 * servers in the cache
642 */
643 if ((context->callbacks.remove_unused_server_fn)(context,
644 srv)) {
645 /*
646 * We could not remove the server completely,
647 * remove it from the cache so we will not get
648 * it again. It will be removed when the last
649 * file/dir is closed.
650 */
651 (context->callbacks.remove_cached_srv_fn)(context,
652 srv);
653 }
654
655 /*
656 * Maybe there are more cached connections to this
657 * server
658 */
659 goto check_server_cache;
660 }
661
662 return srv;
663 }
664
665 return NULL;
666 }
667
668 /*
669 * Connect to a server, possibly on an existing connection
670 *
671 * Here, what we want to do is: If the server and username
672 * match an existing connection, reuse that, otherwise, establish a
673 * new connection.
674 *
675 * If we have to create a new connection, call the auth_fn to get the
676 * info we need, unless the username and password were passed in.
677 */
678
679 static SMBCSRV *
680 smbc_server(SMBCCTX *context,
681 bool connect_if_not_found,
682 const char *server,
683 const char *share,
684 char *workgroup,
685 char *username,
686 char *password)
687 {
688 SMBCSRV *srv=NULL;
689 struct cli_state *c;
690 struct nmb_name called, calling;
691 const char *server_n = server;
692 struct sockaddr_storage ss;
693 int tried_reverse = 0;
694 int port_try_first;
695 int port_try_next;
696 const char *username_used;
697 NTSTATUS status;
698
699 zero_addr(&ss);
700 ZERO_STRUCT(c);
701
702 if (server[0] == 0) {
703 errno = EPERM;
704 return NULL;
705 }
706
707 /* Look for a cached connection */
708 srv = find_server(context, server, share,
709 workgroup, username, password);
710
711 /*
712 * If we found a connection and we're only allowed one share per
713 * server...
714 */
715 if (srv && *share != '\0' && context->options.one_share_per_server) {
716
717 /*
718 * ... then if there's no current connection to the share,
719 * connect to it. find_server(), or rather the function
720 * pointed to by context->callbacks.get_cached_srv_fn which
721 * was called by find_server(), will have issued a tree
722 * disconnect if the requested share is not the same as the
723 * one that was already connected.
724 */
725 if (srv->cli->cnum == (uint16) -1) {
726 /* Ensure we have accurate auth info */
727 if (context->internal->_auth_fn_with_context != NULL) {
728 (context->internal->_auth_fn_with_context)(
729 context,
730 server, share,
731 workgroup, strlen(workgroup)+1,
732 username, strlen(username)+1,
733 password, strlen(password)+1);
734 } else {
735 (context->callbacks.auth_fn)(
736 server, share,
737 workgroup, strlen(workgroup)+1,
738 username, strlen(username)+1,
739 password, strlen(password)+1);
740 }
741
742 if (! cli_send_tconX(srv->cli, share, "?????",
743 password, strlen(password)+1)) {
744
745 errno = smbc_errno(context, srv->cli);
746 cli_shutdown(srv->cli);
747 srv->cli = NULL;
748 (context->callbacks.remove_cached_srv_fn)(context,
749 srv);
750 srv = NULL;
751 }
752
753 /*
754 * Regenerate the dev value since it's based on both
755 * server and share
756 */
757 if (srv) {
758 srv->dev = (dev_t)(str_checksum(server) ^
759 str_checksum(share));
760 }
761 }
762 }
763
764 /* If we have a connection... */
765 if (srv) {
766
767 /* ... then we're done here. Give 'em what they came for. */
768 return srv;
769 }
770
771 /* If we're not asked to connect when a connection doesn't exist... */
772 if (! connect_if_not_found) {
773 /* ... then we're done here. */
774 return NULL;
775 }
776
777 make_nmb_name(&calling, context->netbios_name, 0x0);
778 make_nmb_name(&called , server, 0x20);
779
780 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
781
782 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
783
784 again:
785
786 zero_addr(&ss);
787
788 /* have to open a new connection */
789 if ((c = cli_initialise()) == NULL) {
790 errno = ENOMEM;
791 return NULL;
792 }
793
794 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
795 c->use_kerberos = True;
796 }
797 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
798 c->fallback_after_kerberos = True;
799 }
800
801 c->timeout = context->timeout;
802
803 /*
804 * Force use of port 139 for first try if share is $IPC, empty, or
805 * null, so browse lists can work
806 */
807 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
808 port_try_first = 139;
809 port_try_next = 445;
810 } else {
811 port_try_first = 445;
812 port_try_next = 139;
813 }
814
815 c->port = port_try_first;
816
817 status = cli_connect(c, server_n, &ss);
818 if (!NT_STATUS_IS_OK(status)) {
819
820 /* First connection attempt failed. Try alternate port. */
821 c->port = port_try_next;
822
823 status = cli_connect(c, server_n, &ss);
824 if (!NT_STATUS_IS_OK(status)) {
825 cli_shutdown(c);
826 errno = ETIMEDOUT;
827 return NULL;
828 }
829 }
830
831 if (!cli_session_request(c, &calling, &called)) {
832 cli_shutdown(c);
833 if (strcmp(called.name, "*SMBSERVER")) {
834 make_nmb_name(&called , "*SMBSERVER", 0x20);
835 goto again;
836 } else { /* Try one more time, but ensure we don't loop */
837
838 /* Only try this if server is an IP address ... */
839
840 if (is_ipaddress(server) && !tried_reverse) {
841 fstring remote_name;
842 struct sockaddr_storage rem_ss;
843
844 if (!interpret_string_addr(&rem_ss, server,
845 NI_NUMERICHOST)) {
846 DEBUG(4, ("Could not convert IP address "
847 "%s to struct sockaddr_storage\n",
848 server));
849 errno = ETIMEDOUT;
850 return NULL;
851 }
852
853 tried_reverse++; /* Yuck */
854
855 if (name_status_find("*", 0, 0, &rem_ss, remote_name)) {
856 make_nmb_name(&called, remote_name, 0x20);
857 goto again;
858 }
859 }
860 }
861 errno = ETIMEDOUT;
862 return NULL;
863 }
864
865 DEBUG(4,(" session request ok\n"));
866
867 if (!cli_negprot(c)) {
868 cli_shutdown(c);
869 errno = ETIMEDOUT;
870 return NULL;
871 }
872
873 username_used = username;
874
875 if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
876 password, strlen(password),
877 password, strlen(password),
878 workgroup))) {
879
880 /* Failed. Try an anonymous login, if allowed by flags. */
881 username_used = "";
882
883 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
884 !NT_STATUS_IS_OK(cli_session_setup(c, username_used,
885 password, 1,
886 password, 0,
887 workgroup))) {
888
889 cli_shutdown(c);
890 errno = EPERM;
891 return NULL;
892 }
893 }
894
895 DEBUG(4,(" session setup ok\n"));
896
897 if (!cli_send_tconX(c, share, "?????",
898 password, strlen(password)+1)) {
899 errno = smbc_errno(context, c);
900 cli_shutdown(c);
901 return NULL;
902 }
903
904 DEBUG(4,(" tconx ok\n"));
905
906 /*
907 * Ok, we have got a nice connection
908 * Let's allocate a server structure.
909 */
910
911 srv = SMB_MALLOC_P(SMBCSRV);
912 if (!srv) {
913 errno = ENOMEM;
914 goto failed;
915 }
916
917 ZERO_STRUCTP(srv);
918 srv->cli = c;
919 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
920 srv->no_pathinfo = False;
921 srv->no_pathinfo2 = False;
922 srv->no_nt_session = False;
923
924 /* now add it to the cache (internal or external) */
925 /* Let the cache function set errno if it wants to */
926 errno = 0;
927 if ((context->callbacks.add_cached_srv_fn)(context, srv,
928 server, share,
929 workgroup, username)) {
930 int saved_errno = errno;
931 DEBUG(3, (" Failed to add server to cache\n"));
932 errno = saved_errno;
933 if (errno == 0) {
934 errno = ENOMEM;
935 }
936 goto failed;
937 }
938
939 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
940 server, share, srv));
941
942 DLIST_ADD(context->internal->_servers, srv);
943 return srv;
944
945 failed:
946 cli_shutdown(c);
947 if (!srv) {
948 return NULL;
949 }
950
951 SAFE_FREE(srv);
952 return NULL;
953 }
954
955 /*
956 * Connect to a server for getting/setting attributes, possibly on an existing
957 * connection. This works similarly to smbc_server().
958 */
959 static SMBCSRV *
960 smbc_attr_server(SMBCCTX *context,
961 const char *server,
962 const char *share,
963 char *workgroup,
964 char *username,
965 char *password,
966 POLICY_HND *pol)
967 {
968 int flags;
969 struct sockaddr_storage ss;
970 struct cli_state *ipc_cli;
971 struct rpc_pipe_client *pipe_hnd;
972 NTSTATUS nt_status;
973 SMBCSRV *ipc_srv=NULL;
974
975 /*
976 * See if we've already created this special connection. Reference
977 * our "special" share name '*IPC$', which is an impossible real share
978 * name due to the leading asterisk.
979 */
980 ipc_srv = find_server(context, server, "*IPC$",
981 workgroup, username, password);
982 if (!ipc_srv) {
983
984 /* We didn't find a cached connection. Get the password */
985 if (*password == '\0') {
986 /* ... then retrieve it now. */
987 if (context->internal->_auth_fn_with_context != NULL) {
988 (context->internal->_auth_fn_with_context)(
989 context,
990 server, share,
991 workgroup, strlen(workgroup)+1,
992 username, strlen(username)+1,
993 password, strlen(password)+1);
994 } else {
995 (context->callbacks.auth_fn)(
996 server, share,
997 workgroup, strlen(workgroup)+1,
998 username, strlen(username)+1,
999 password, strlen(password)+1);
1000 }
1001 }
1002
1003 flags = 0;
1004 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
1005 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
1006 }
1007
1008 zero_addr(&ss);
1009 nt_status = cli_full_connection(&ipc_cli,
1010 global_myname(), server,
1011 &ss, 0, "IPC$", "?????",
1012 username, workgroup,
1013 password, flags,
1014 Undefined, NULL);
1015 if (! NT_STATUS_IS_OK(nt_status)) {
1016 DEBUG(1,("cli_full_connection failed! (%s)\n",
1017 nt_errstr(nt_status)));
1018 errno = ENOTSUP;
1019 return NULL;
1020 }
1021
1022 ipc_srv = SMB_MALLOC_P(SMBCSRV);
1023 if (!ipc_srv) {
1024 errno = ENOMEM;
1025 cli_shutdown(ipc_cli);
1026 return NULL;
1027 }
1028
1029 ZERO_STRUCTP(ipc_srv);
1030 ipc_srv->cli = ipc_cli;
1031
1032 if (pol) {
1033 pipe_hnd = cli_rpc_pipe_open_noauth(ipc_srv->cli,
1034 PI_LSARPC,
1035 &nt_status);
1036 if (!pipe_hnd) {
1037 DEBUG(1, ("cli_nt_session_open fail!\n"));
1038 errno = ENOTSUP;
1039 cli_shutdown(ipc_srv->cli);
1040 free(ipc_srv);
1041 return NULL;
1042 }
1043
1044 /*
1045 * Some systems don't support
1046 * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
1047 * so we might as well do it too.
1048 */
1049
1050 nt_status = rpccli_lsa_open_policy(
1051 pipe_hnd,
1052 talloc_tos(),
1053 True,
1054 GENERIC_EXECUTE_ACCESS,
1055 pol);
1056
1057 if (!NT_STATUS_IS_OK(nt_status)) {
1058 errno = smbc_errno(context, ipc_srv->cli);
1059 cli_shutdown(ipc_srv->cli);
1060 return NULL;
1061 }
1062 }
1063
1064 /* now add it to the cache (internal or external) */
1065
1066 errno = 0; /* let cache function set errno if it likes */
1067 if ((context->callbacks.add_cached_srv_fn)(context, ipc_srv,
1068 server,
1069 "*IPC$",
1070 workgroup,
1071 username)) {
1072 DEBUG(3, (" Failed to add server to cache\n"));
1073 if (errno == 0) {
1074 errno = ENOMEM;
1075 }
1076 cli_shutdown(ipc_srv->cli);
1077 free(ipc_srv);
1078 return NULL;
1079 }
1080
1081 DLIST_ADD(context->internal->_servers, ipc_srv);
1082 }
1083
1084 return ipc_srv;
1085 }
1086
1087 /*
1088 * Routine to open() a file ...
1089 */
1090
1091 static SMBCFILE *
1092 smbc_open_ctx(SMBCCTX *context,
1093 const char *fname,
1094 int flags,
1095 mode_t mode)
1096 {
1097 char *server, *share, *user, *password, *workgroup;
1098 char *path;
1099 char *targetpath = NULL;
1100 struct cli_state *targetcli;
1101 SMBCSRV *srv = NULL;
1102 SMBCFILE *file = NULL;
1103 int fd;
1104 TALLOC_CTX *frame = talloc_stackframe();
1105
1106 if (!context || !context->internal ||
1107 !context->internal->_initialized) {
1108
1109 errno = EINVAL; /* Best I can think of ... */
1110 TALLOC_FREE(frame);
1111 return NULL;
1112
1113 }
1114
1115 if (!fname) {
1116
1117 errno = EINVAL;
1118 TALLOC_FREE(frame);
1119 return NULL;
1120
1121 }
1122
1123 if (smbc_parse_path(frame,
1124 context,
1125 fname,
1126 &workgroup,
1127 &server,
1128 &share,
1129 &path,
1130 &user,
1131 &password,
1132 NULL)) {
1133 errno = EINVAL;
1134 TALLOC_FREE(frame);
1135 return NULL;
1136 }
1137
1138 if (!user || user[0] == (char)0) {
1139 user = talloc_strdup(frame, context->user);
1140 if (!user) {
1141 errno = ENOMEM;
1142 TALLOC_FREE(frame);
1143 return NULL;
1144 }
1145 }
1146
1147 srv = smbc_server(context, True,
1148 server, share, workgroup, user, password);
1149
1150 if (!srv) {
1151 if (errno == EPERM) errno = EACCES;
1152 TALLOC_FREE(frame);
1153 return NULL; /* smbc_server sets errno */
1154 }
1155
1156 /* Hmmm, the test for a directory is suspect here ... FIXME */
1157
1158 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1159 fd = -1;
1160 } else {
1161 file = SMB_MALLOC_P(SMBCFILE);
1162
1163 if (!file) {
1164 errno = ENOMEM;
1165 TALLOC_FREE(frame);
1166 return NULL;
1167 }
1168
1169 ZERO_STRUCTP(file);
1170
1171 /*d_printf(">>>open: resolving %s\n", path);*/
1172 if (!cli_resolve_path(frame, "", srv->cli, path, &targetcli, &targetpath)) {
1173 d_printf("Could not resolve %s\n", path);
1174 SAFE_FREE(file);
1175 TALLOC_FREE(frame);
1176 return NULL;
1177 }
1178 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1179
1180 if ((fd = cli_open(targetcli, targetpath, flags,
1181 context->internal->_share_mode)) < 0) {
1182
1183 /* Handle the error ... */
1184
1185 SAFE_FREE(file);
1186 errno = smbc_errno(context, targetcli);
1187 TALLOC_FREE(frame);
1188 return NULL;
1189
1190 }
1191
1192 /* Fill in file struct */
1193
1194 file->cli_fd = fd;
1195 file->fname = SMB_STRDUP(fname);
1196 file->srv = srv;
1197 file->offset = 0;
1198 file->file = True;
1199
1200 DLIST_ADD(context->internal->_files, file);
1201
1202 /*
1203 * If the file was opened in O_APPEND mode, all write
1204 * operations should be appended to the file. To do that,
1205 * though, using this protocol, would require a getattrE()
1206 * call for each and every write, to determine where the end
1207 * of the file is. (There does not appear to be an append flag
1208 * in the protocol.) Rather than add all of that overhead of
1209 * retrieving the current end-of-file offset prior to each
1210 * write operation, we'll assume that most append operations
1211 * will continuously write, so we'll just set the offset to
1212 * the end of the file now and hope that's adequate.
1213 *
1214 * Note to self: If this proves inadequate, and O_APPEND
1215 * should, in some cases, be forced for each write, add a
1216 * field in the context options structure, for
1217 * "strict_append_mode" which would select between the current
1218 * behavior (if FALSE) or issuing a getattrE() prior to each
1219 * write and forcing the write to the end of the file (if
1220 * TRUE). Adding that capability will likely require adding
1221 * an "append" flag into the _SMBCFILE structure to track
1222 * whether a file was opened in O_APPEND mode. -- djl
1223 */
1224 if (flags & O_APPEND) {
1225 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1226 (void) smbc_close_ctx(context, file);
1227 errno = ENXIO;
1228 TALLOC_FREE(frame);
1229 return NULL;
1230 }
1231 }
1232
1233 TALLOC_FREE(frame);
1234 return file;
1235
1236 }
1237
1238 /* Check if opendir needed ... */
1239
1240 if (fd == -1) {
1241 int eno = 0;
1242
1243 eno = smbc_errno(context, srv->cli);
1244 file = (context->opendir)(context, fname);
1245 if (!file) errno = eno;
1246 TALLOC_FREE(frame);
1247 return file;
1248
1249 }
1250
1251 errno = EINVAL; /* FIXME, correct errno ? */
1252 TALLOC_FREE(frame);
1253 return NULL;
1254
1255 }
1256
1257 /*
1258 * Routine to create a file
1259 */
1260
1261 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1262
1263 static SMBCFILE *
1264 smbc_creat_ctx(SMBCCTX *context,
1265 const char *path,
1266 mode_t mode)
1267 {
1268
1269 if (!context || !context->internal ||
1270 !context->internal->_initialized) {
1271
1272 errno = EINVAL;
1273 return NULL;
1274
1275 }
1276
1277 return smbc_open_ctx(context, path, creat_bits, mode);
1278 }
1279
1280 /*
1281 * Routine to read() a file ...
1282 */
1283
1284 static ssize_t
1285 smbc_read_ctx(SMBCCTX *context,
1286 SMBCFILE *file,
1287 void *buf,
1288 size_t count)
1289 {
1290 int ret;
1291 char *server, *share, *user, *password;
1292 char *path;
1293 char *targetpath = NULL;
1294 struct cli_state *targetcli;
1295 TALLOC_CTX *frame = talloc_stackframe();
1296
1297 /*
1298 * offset:
1299 *
1300 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1301 * appears to pass file->offset (which is type off_t) differently than
1302 * a local variable of type off_t. Using local variable "offset" in
1303 * the call to cli_read() instead of file->offset fixes a problem
1304 * retrieving data at an offset greater than 4GB.
1305 */
1306 off_t offset;
1307
1308 if (!context || !context->internal ||
1309 !context->internal->_initialized) {
1310 errno = EINVAL;
1311 TALLOC_FREE(frame);
1312 return -1;
1313
1314 }
1315
1316 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1317
1318 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1319 errno = EBADF;
1320 TALLOC_FREE(frame);
1321 return -1;
1322
1323 }
1324
1325 offset = file->offset;
1326
1327 /* Check that the buffer exists ... */
1328
1329 if (buf == NULL) {
1330 errno = EINVAL;
1331 TALLOC_FREE(frame);
1332 return -1;
1333
1334 }
1335
1336 /*d_printf(">>>read: parsing %s\n", file->fname);*/
1337 if (smbc_parse_path(frame,
1338 context,
1339 file->fname,
1340 NULL,
1341 &server,
1342 &share,
1343 &path,
1344 &user,
1345 &password,
1346 NULL)) {
1347 errno = EINVAL;
1348 TALLOC_FREE(frame);
1349 return -1;
1350 }
1351
1352 /*d_printf(">>>read: resolving %s\n", path);*/
1353 if (!cli_resolve_path(frame, "", file->srv->cli, path,
1354 &targetcli, &targetpath)) {
1355 d_printf("Could not resolve %s\n", path);
1356 TALLOC_FREE(frame);
1357 return -1;
1358 }
1359 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1360
1361 ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
1362
1363 if (ret < 0) {
1364
1365 errno = smbc_errno(context, targetcli);
1366 TALLOC_FREE(frame);
1367 return -1;
1368
1369 }
1370
1371 file->offset += ret;
1372
1373 DEBUG(4, (" --> %d\n", ret));
1374
1375 TALLOC_FREE(frame);
1376 return ret; /* Success, ret bytes of data ... */
1377
1378 }
1379
1380 /*
1381 * Routine to write() a file ...
1382 */
1383
1384 static ssize_t
1385 smbc_write_ctx(SMBCCTX *context,
1386 SMBCFILE *file,
1387 void *buf,
1388 size_t count)
1389 {
1390 int ret;
1391 off_t offset;
1392 char *server, *share, *user, *password;
1393 char *path;
1394 char *targetpath = NULL;
1395 struct cli_state *targetcli;
1396 TALLOC_CTX *frame = talloc_stackframe();
1397
1398 /* First check all pointers before dereferencing them */
1399
1400 if (!context || !context->internal ||
1401 !context->internal->_initialized) {
1402 errno = EINVAL;
1403 TALLOC_FREE(frame);
1404 return -1;
1405
1406 }
1407
1408 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1409 errno = EBADF;
1410 TALLOC_FREE(frame);
1411 return -1;
1412 }
1413
1414 /* Check that the buffer exists ... */
1415
1416 if (buf == NULL) {
1417 errno = EINVAL;
1418 TALLOC_FREE(frame);
1419 return -1;
1420
1421 }
1422
1423 offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1424
1425 /*d_printf(">>>write: parsing %s\n", file->fname);*/
1426 if (smbc_parse_path(frame,
1427 context,
1428 file->fname,
1429 NULL,
1430 &server,
1431 &share,
1432 &path,
1433 &user,
1434 &password,
1435 NULL)) {
1436 errno = EINVAL;
1437 TALLOC_FREE(frame);
1438 return -1;
1439 }
1440
1441 /*d_printf(">>>write: resolving %s\n", path);*/
1442 if (!cli_resolve_path(frame, "", file->srv->cli, path,
1443 &targetcli, &targetpath)) {
1444 d_printf("Could not resolve %s\n", path);
1445 TALLOC_FREE(frame);
1446 return -1;
1447 }
1448 /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1449
1450 ret = cli_write(targetcli, file->cli_fd, 0, (char *)buf, offset, count);
1451
1452 if (ret <= 0) {
1453 errno = smbc_errno(context, targetcli);
1454 TALLOC_FREE(frame);
1455 return -1;
1456
1457 }
1458
1459 file->offset += ret;
1460
1461 TALLOC_FREE(frame);
1462 return ret; /* Success, 0 bytes of data ... */
1463 }
1464
1465 /*
1466 * Routine to close() a file ...
1467 */
1468
1469 static int
1470 smbc_close_ctx(SMBCCTX *context,
1471 SMBCFILE *file)
1472 {
1473 SMBCSRV *srv;
1474 char *server, *share, *user, *password;
1475 char *path;
1476 char *targetpath = NULL;
1477 struct cli_state *targetcli;
1478 TALLOC_CTX *frame = talloc_stackframe();
1479
1480 if (!context || !context->internal ||
1481 !context->internal->_initialized) {
1482
1483 errno = EINVAL;
1484 TALLOC_FREE(frame);
1485 return -1;
1486 }
1487
1488 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1489 errno = EBADF;
1490 TALLOC_FREE(frame);
1491 return -1;
1492 }
1493
1494 /* IS a dir ... */
1495 if (!file->file) {
1496 TALLOC_FREE(frame);
1497 return (context->closedir)(context, file);
1498 }
1499
1500 /*d_printf(">>>close: parsing %s\n", file->fname);*/
1501 if (smbc_parse_path(frame,
1502 context,
1503 file->fname,
1504 NULL,
1505 &server,
1506 &share,
1507 &path,
1508 &user,
1509 &password,
1510 NULL)) {
1511 errno = EINVAL;
1512 TALLOC_FREE(frame);
1513 return -1;
1514 }
1515
1516 /*d_printf(">>>close: resolving %s\n", path);*/
1517 if (!cli_resolve_path(frame, "", file->srv->cli, path,
1518 &targetcli, &targetpath)) {
1519 d_printf("Could not resolve %s\n", path);
1520 TALLOC_FREE(frame);
1521 return -1;
1522 }
1523 /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1524
1525 if (!cli_close(targetcli, file->cli_fd)) {
1526
1527 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1528 file->fname));
1529 /* Deallocate slot and remove the server
1530 * from the server cache if unused */
1531 errno = smbc_errno(context, targetcli);
1532 srv = file->srv;
1533 DLIST_REMOVE(context->internal->_files, file);
1534 SAFE_FREE(file->fname);
1535 SAFE_FREE(file);
1536 (context->callbacks.remove_unused_server_fn)(context, srv);
1537 TALLOC_FREE(frame);
1538 return -1;
1539
1540 }
1541
1542 DLIST_REMOVE(context->internal->_files, file);
1543 SAFE_FREE(file->fname);
1544 SAFE_FREE(file);
1545 TALLOC_FREE(frame);
1546
1547 return 0;
1548 }
1549
1550 /*
1551 * Get info from an SMB server on a file. Use a qpathinfo call first
1552 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1553 */
1554 static bool
1555 smbc_getatr(SMBCCTX * context,
1556 SMBCSRV *srv,
1557 char *path,
1558 uint16 *mode,
1559 SMB_OFF_T *size,
1560 struct timespec *create_time_ts,
1561 struct timespec *access_time_ts,
1562 struct timespec *write_time_ts,
1563 struct timespec *change_time_ts,
1564 SMB_INO_T *ino)
1565 {
1566 char *fixedpath;
1567 char *targetpath = NULL;
1568 struct cli_state *targetcli;
1569 time_t write_time;
1570 TALLOC_CTX *frame = talloc_stackframe();
1571
1572 if (!context || !context->internal ||
1573 !context->internal->_initialized) {
1574 errno = EINVAL;
1575 TALLOC_FREE(frame);
1576 return -1;
1577 }
1578
1579 /* path fixup for . and .. */
1580 if (strequal(path, ".") || strequal(path, "..")) {
1581 fixedpath = talloc_strdup(frame, "\\");
1582 if (!fixedpath) {
1583 errno = ENOMEM;
1584 TALLOC_FREE(frame);
1585 return -1;
1586 }
1587 } else {
1588 fixedpath = talloc_strdup(frame, path);
1589 if (!fixedpath) {
1590 errno = ENOMEM;
1591 TALLOC_FREE(frame);
1592 return -1;
1593 }
1594 trim_string(fixedpath, NULL, "\\..");
1595 trim_string(fixedpath, NULL, "\\.");
1596 }
1597 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1598
1599 if (!cli_resolve_path(frame, "", srv->cli, fixedpath,
1600 &targetcli, &targetpath)) {
1601 d_printf("Couldn't resolve %s\n", path);
1602 TALLOC_FREE(frame);
1603 return False;
1604 }
1605
1606 if (!srv->no_pathinfo2 &&
1607 cli_qpathinfo2(targetcli, targetpath,
1608 create_time_ts,
1609 access_time_ts,
1610 write_time_ts,
1611 change_time_ts,
1612 size, mode, ino)) {
1613 TALLOC_FREE(frame);
1614 return True;
1615 }
1616
1617 /* if this is NT then don't bother with the getatr */
1618 if (targetcli->capabilities & CAP_NT_SMBS) {
1619 errno = EPERM;
1620 TALLOC_FREE(frame);
1621 return False;
1622 }
1623
1624 if (cli_getatr(targetcli, targetpath, mode, size, &write_time)) {
1625
1626 struct timespec w_time_ts;
1627
1628 w_time_ts = convert_time_t_to_timespec(write_time);
1629
1630 if (write_time_ts != NULL) {
1631 *write_time_ts = w_time_ts;
1632 }
1633
1634 if (create_time_ts != NULL) {
1635 *create_time_ts = w_time_ts;
1636 }
1637
1638 if (access_time_ts != NULL) {
1639 *access_time_ts = w_time_ts;
1640 }
1641
1642 if (change_time_ts != NULL) {
1643 *change_time_ts = w_time_ts;
1644 }
1645
1646 srv->no_pathinfo2 = True;
1647 TALLOC_FREE(frame);
1648 return True;
1649 }
1650
1651 errno = EPERM;
1652 TALLOC_FREE(frame);
1653 return False;
1654
1655 }
1656
1657 /*
1658 * Set file info on an SMB server. Use setpathinfo call first. If that
1659 * fails, use setattrE..
1660 *
1661 * Access and modification time parameters are always used and must be
1662 * provided. Create time, if zero, will be determined from the actual create
1663 * time of the file. If non-zero, the create time will be set as well.
1664 *
1665 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1666 */
1667 static bool
1668 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1669 time_t create_time,
1670 time_t access_time,
1671 time_t write_time,
1672 time_t change_time,
1673 uint16 mode)
1674 {
1675 int fd;
1676 int ret;
1677 TALLOC_CTX *frame = talloc_stackframe();
1678
1679 /*
1680 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1681 * modern function for "new code" to be using, and it works given a
1682 * filename rather than requiring that the file be opened to have its
1683 * attributes manipulated.
1684 */
1685 if (srv->no_pathinfo ||
1686 ! cli_setpathinfo(srv->cli, path,
1687 create_time,
1688 access_time,
1689 write_time,
1690 change_time,
1691 mode)) {
1692
1693 /*
1694 * setpathinfo is not supported; go to plan B.
1695 *
1696 * cli_setatr() does not work on win98, and it also doesn't
1697 * support setting the access time (only the modification
1698 * time), so in all cases, we open the specified file and use
1699 * cli_setattrE() which should work on all OS versions, and
1700 * supports both times.
1701 */
1702
1703 /* Don't try {q,set}pathinfo() again, with this server */
1704 srv->no_pathinfo = True;
1705
1706 /* Open the file */
1707 if ((fd = cli_open(srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1708
1709 errno = smbc_errno(context, srv->cli);
1710 TALLOC_FREE(frame);
1711 return -1;
1712 }
1713
1714 /* Set the new attributes */
1715 ret = cli_setattrE(srv->cli, fd,
1716 change_time,
1717 access_time,
1718 write_time);
1719
1720 /* Close the file */
1721 cli_close(srv->cli, fd);
1722
1723 /*
1724 * Unfortunately, setattrE() doesn't have a provision for
1725 * setting the access mode (attributes). We'll have to try
1726 * cli_setatr() for that, and with only this parameter, it
1727 * seems to work on win98.
1728 */
1729 if (ret && mode != (uint16) -1) {
1730 ret = cli_setatr(srv->cli, path, mode, 0);
1731 }
1732
1733 if (! ret) {
1734 errno = smbc_errno(context, srv->cli);
1735 TALLOC_FREE(frame);
1736 return False;
1737 }
1738 }
1739
1740 TALLOC_FREE(frame);
1741 return True;
1742 }
1743
1744 /*
1745 * Routine to unlink() a file
1746 */
1747
1748 static int
1749 smbc_unlink_ctx(SMBCCTX *context,
1750 const char *fname)
1751 {
1752 char *server, *share, *user, *password, *workgroup;
1753 char *path;
1754 char *targetpath;
1755 struct cli_state *targetcli;
1756 SMBCSRV *srv = NULL;
1757 TALLOC_CTX *frame = talloc_stackframe();
1758
1759 if (!context || !context->internal ||
1760 !context->internal->_initialized) {
1761 errno = EINVAL; /* Best I can think of ... */
1762 TALLOC_FREE(frame);
1763 return -1;
1764
1765 }
1766
1767 if (!fname) {
1768 errno = EINVAL;
1769 TALLOC_FREE(frame);
1770 return -1;
1771
1772 }
1773
1774 if (smbc_parse_path(frame,
1775 context,
1776 fname,
1777 &workgroup,
1778 &server,
1779 &share,
1780 &path,
1781 &user,
1782 &password,
1783 NULL)) {
1784 errno = EINVAL;
1785 TALLOC_FREE(frame);
1786 return -1;
1787 }
1788
1789 if (!user || user[0] == (char)0) {
1790 user = talloc_strdup(frame, context->user);
1791 if (!user) {
1792 errno = ENOMEM;
1793 TALLOC_FREE(frame);
1794 return -1;
1795 }
1796 }
1797
1798 srv = smbc_server(context, True,
1799 server, share, workgroup, user, password);
1800
1801 if (!srv) {
1802 TALLOC_FREE(frame);
1803 return -1; /* smbc_server sets errno */
1804
1805 }
1806
1807 /*d_printf(">>>unlink: resolving %s\n", path);*/
1808 if (!cli_resolve_path(frame, "", srv->cli, path,
1809 &targetcli, &targetpath)) {
1810 d_printf("Could not resolve %s\n", path);
1811 TALLOC_FREE(frame);
1812 return -1;
1813 }
1814 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1815
1816 if (!cli_unlink(targetcli, targetpath)) {
1817
1818 errno = smbc_errno(context, targetcli);
1819
1820 if (errno == EACCES) { /* Check if the file is a directory */
1821
1822 int saverr = errno;
1823 SMB_OFF_T size = 0;
1824 uint16 mode = 0;
1825 struct timespec write_time_ts;
1826 struct timespec access_time_ts;
1827 struct timespec change_time_ts;
1828 SMB_INO_T ino = 0;
1829
1830 if (!smbc_getatr(context, srv, path, &mode, &size,
1831 NULL,
1832 &access_time_ts,
1833 &write_time_ts,
1834 &change_time_ts,
1835 &ino)) {
1836
1837 /* Hmmm, bad error ... What? */
1838
1839 errno = smbc_errno(context, targetcli);
1840 TALLOC_FREE(frame);
1841 return -1;
1842
1843 }
1844 else {
1845
1846 if (IS_DOS_DIR(mode))
1847 errno = EISDIR;
1848 else
1849 errno = saverr; /* Restore this */
1850
1851 }
1852 }
1853
1854 TALLOC_FREE(frame);
1855 return -1;
1856
1857 }
1858
1859 TALLOC_FREE(frame);
1860 return 0; /* Success ... */
1861
1862 }
1863
1864 /*
1865 * Routine to rename() a file
1866 */
1867
1868 static int
1869 smbc_rename_ctx(SMBCCTX *ocontext,
1870 const char *oname,
1871 SMBCCTX *ncontext,
1872 const char *nname)
1873 {
1874 char *server1;
1875 char *share1;
1876 char *server2;
1877 char *share2;
1878 char *user1;
1879 char *user2;
1880 char *password1;
1881 char *password2;
1882 char *workgroup;
1883 char *path1;
1884 char *path2;
1885 char *targetpath1;
1886 char *targetpath2;
1887 struct cli_state *targetcli1;
1888 struct cli_state *targetcli2;
1889 SMBCSRV *srv = NULL;
1890 TALLOC_CTX *frame = talloc_stackframe();
1891
1892 if (!ocontext || !ncontext ||
1893 !ocontext->internal || !ncontext->internal ||
1894 !ocontext->internal->_initialized ||
1895 !ncontext->internal->_initialized) {
1896 errno = EINVAL; /* Best I can think of ... */
1897 TALLOC_FREE(frame);
1898 return -1;
1899 }
1900
1901 if (!oname || !nname) {
1902 errno = EINVAL;
1903 TALLOC_FREE(frame);
1904 return -1;
1905 }
1906
1907 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1908
1909 if (smbc_parse_path(frame,
1910 ocontext,
1911 oname,
1912 &workgroup,
1913 &server1,
1914 &share1,
1915 &path1,
1916 &user1,
1917 &password1,
1918 NULL)) {
1919 errno = EINVAL;
1920 TALLOC_FREE(frame);
1921 return -1;
1922 }
1923
1924 if (!user1 || user1[0] == (char)0) {
1925 user1 = talloc_strdup(frame, ocontext->user);
1926 if (!user1) {
1927 errno = ENOMEM;
1928 TALLOC_FREE(frame);
1929 return -1;
1930 }
1931 }
1932
1933 if (smbc_parse_path(frame,
1934 ncontext,
1935 nname,
1936 NULL,
1937 &server2,
1938 &share2,
1939 &path2,
1940 &user2,
1941 &password2,
1942 NULL)) {
1943 errno = EINVAL;
1944 TALLOC_FREE(frame);
1945 return -1;
1946 }
1947
1948 if (!user2 || user2[0] == (char)0) {
1949 user2 = talloc_strdup(frame, ncontext->user);
1950 if (!user2) {
1951 errno = ENOMEM;
1952 TALLOC_FREE(frame);
1953 return -1;
1954 }
1955 }
1956
1957 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1958 strcmp(user1, user2)) {
1959 /* Can't rename across file systems, or users?? */
1960 errno = EXDEV;
1961 TALLOC_FREE(frame);
1962 return -1;
1963 }
1964
1965 srv = smbc_server(ocontext, True,
1966 server1, share1, workgroup, user1, password1);
1967 if (!srv) {
1968 TALLOC_FREE(frame);
1969 return -1;
1970
1971 }
1972
1973 /*d_printf(">>>rename: resolving %s\n", path1);*/
1974 if (!cli_resolve_path(frame, "", srv->cli, path1,
1975 &targetcli1, &targetpath1)) {
1976 d_printf("Could not resolve %s\n", path1);
1977 TALLOC_FREE(frame);
1978 return -1;
1979 }
1980 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1981 /*d_printf(">>>rename: resolving %s\n", path2);*/
1982 if (!cli_resolve_path(frame, "", srv->cli, path2,
1983 &targetcli2, &targetpath2)) {
1984 d_printf("Could not resolve %s\n", path2);
1985 TALLOC_FREE(frame);
1986 return -1;
1987 }
1988 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1989
1990 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1991 strcmp(targetcli1->share, targetcli2->share))
1992 {
1993 /* can't rename across file systems */
1994 errno = EXDEV;
1995 TALLOC_FREE(frame);
1996 return -1;
1997 }
1998
1999 if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
2000 int eno = smbc_errno(ocontext, targetcli1);
2001
2002 if (eno != EEXIST ||
2003 !cli_unlink(targetcli1, targetpath2) ||
2004 !cli_rename(targetcli1, targetpath1, targetpath2)) {
2005
2006 errno = eno;
2007 TALLOC_FREE(frame);
2008 return -1;
2009
2010 }
2011 }
2012
2013 TALLOC_FREE(frame);
2014 return 0; /* Success */
2015 }
2016
2017 /*
2018 * A routine to lseek() a file
2019 */
2020
2021 static off_t
2022 smbc_lseek_ctx(SMBCCTX *context,
2023 SMBCFILE *file,
2024 off_t offset,
2025 int whence)
2026 {
2027 SMB_OFF_T size;
2028 char *server, *share, *user, *password;
2029 char *path;
2030 char *targetpath;
2031 struct cli_state *targetcli;
2032 TALLOC_CTX *frame = talloc_stackframe();
2033
2034 if (!context || !context->internal ||
2035 !context->internal->_initialized) {
2036 errno = EINVAL;
2037 TALLOC_FREE(frame);
2038 return -1;
2039 }
2040
2041 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2042
2043 errno = EBADF;
2044 TALLOC_FREE(frame);
2045 return -1;
2046
2047 }
2048
2049 if (!file->file) {
2050
2051 errno = EINVAL;
2052 TALLOC_FREE(frame);
2053 return -1; /* Can't lseek a dir ... */
2054
2055 }
2056
2057 switch (whence) {
2058 case SEEK_SET:
2059 file->offset = offset;
2060 break;
2061
2062 case SEEK_CUR:
2063 file->offset += offset;
2064 break;
2065
2066 case SEEK_END:
2067 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
2068 if (smbc_parse_path(frame,
2069 context,
2070 file->fname,
2071 NULL,
2072 &server,
2073 &share,
2074 &path,
2075 &user,
2076 &password,
2077 NULL)) {
2078 errno = EINVAL;
2079 TALLOC_FREE(frame);
2080 return -1;
2081 }
2082
2083 /*d_printf(">>>lseek: resolving %s\n", path);*/
2084 if (!cli_resolve_path(frame, "", file->srv->cli, path,
2085 &targetcli, &targetpath)) {
2086 d_printf("Could not resolve %s\n", path);
2087 TALLOC_FREE(frame);
2088 return -1;
2089 }
2090 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
2091
2092 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
2093 &size, NULL, NULL, NULL, NULL, NULL))
2094 {
2095 SMB_OFF_T b_size = size;
2096 if (!cli_getattrE(targetcli, file->cli_fd,
2097 NULL, &b_size, NULL, NULL, NULL))
2098 {
2099 errno = EINVAL;
2100 TALLOC_FREE(frame);
2101 return -1;
2102 } else
2103 size = b_size;
2104 }
2105 file->offset = size + offset;
2106 break;
2107
2108 default:
2109 errno = EINVAL;
2110 break;
2111
2112 }
2113
2114 TALLOC_FREE(frame);
2115 return file->offset;
2116
2117 }
2118
2119 /*
2120 * Generate an inode number from file name for those things that need it
2121 */
2122
2123 static ino_t
2124 smbc_inode(SMBCCTX *context,
2125 const char *name)
2126 {
2127 if (!context || !context->internal ||
2128 !context->internal->_initialized) {
2129
2130 errno = EINVAL;
2131 return -1;
2132
2133 }
2134
2135 if (!*name) return 2; /* FIXME, why 2 ??? */
2136 return (ino_t)str_checksum(name);
2137
2138 }
2139
2140 /*
2141 * Routine to put basic stat info into a stat structure ... Used by stat and
2142 * fstat below.
2143 */
2144
2145 static int
2146 smbc_setup_stat(SMBCCTX *context,
2147 struct stat *st,
2148 char *fname,
2149 SMB_OFF_T size,
2150 int mode)
2151 {
2152 TALLOC_CTX *frame = talloc_stackframe();
2153
2154 st->st_mode = 0;
2155
2156 if (IS_DOS_DIR(mode)) {
2157 st->st_mode = SMBC_DIR_MODE;
2158 } else {
2159 st->st_mode = SMBC_FILE_MODE;
2160 }
2161
2162 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2163 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2164 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2165 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2166
2167 st->st_size = size;
2168 #ifdef HAVE_STAT_ST_BLKSIZE
2169 st->st_blksize = 512;
2170 #endif
2171 #ifdef HAVE_STAT_ST_BLOCKS
2172 st->st_blocks = (size+511)/512;
2173 #endif
2174 st->st_uid = getuid();
2175 st->st_gid = getgid();
2176
2177 if (IS_DOS_DIR(mode)) {
2178 st->st_nlink = 2;
2179 } else {
2180 st->st_nlink = 1;
2181 }
2182
2183 if (st->st_ino == 0) {
2184 st->st_ino = smbc_inode(context, fname);
2185 }
2186
2187 TALLOC_FREE(frame);
2188 return True; /* FIXME: Is this needed ? */
2189
2190 }
2191
2192 /*
2193 * Routine to stat a file given a name
2194 */
2195
2196 static int
2197 smbc_stat_ctx(SMBCCTX *context,
2198 const char *fname,
2199 struct stat *st)
2200 {
2201 SMBCSRV *srv;
2202 char *server;
2203 char *share;
2204 char *user;
2205 char *password;
2206 char *workgroup;
2207 char *path;
2208 struct timespec write_time_ts;
2209 struct timespec access_time_ts;
2210 struct timespec change_time_ts;
2211 SMB_OFF_T size = 0;
2212 uint16 mode = 0;
2213 SMB_INO_T ino = 0;
2214 TALLOC_CTX *frame = talloc_stackframe();
2215
2216 if (!context || !context->internal ||
2217 !context->internal->_initialized) {
2218
2219 errno = EINVAL; /* Best I can think of ... */
2220 TALLOC_FREE(frame);
2221 return -1;
2222 }
2223
2224 if (!fname) {
2225 errno = EINVAL;
2226 TALLOC_FREE(frame);
2227 return -1;
2228 }
2229
2230 DEBUG(4, ("smbc_stat(%s)\n", fname));
2231
2232 if (smbc_parse_path(frame,
2233 context,
2234 fname,
2235 &workgroup,
2236 &server,
2237 &share,
2238 &path,
2239 &user,
2240 &password,
2241 NULL)) {
2242 errno = EINVAL;
2243 TALLOC_FREE(frame);
2244 return -1;
2245 }
2246
2247 if (!user || user[0] == (char)0) {
2248 user = talloc_strdup(frame,context->user);
2249 if (!user) {
2250 errno = ENOMEM;
2251 TALLOC_FREE(frame);
2252 return -1;
2253 }
2254 }
2255
2256 srv = smbc_server(context, True,
2257 server, share, workgroup, user, password);
2258
2259 if (!srv) {
2260 TALLOC_FREE(frame);
2261 return -1; /* errno set by smbc_server */
2262 }
2263
2264 if (!smbc_getatr(context, srv, path, &mode, &size,
2265 NULL,
2266 &access_time_ts,
2267 &write_time_ts,
2268 &change_time_ts,
2269 &ino)) {
2270 errno = smbc_errno(context, srv->cli);
2271 TALLOC_FREE(frame);
2272 return -1;
2273 }
2274
2275 st->st_ino = ino;
2276
2277 smbc_setup_stat(context, st, path, size, mode);
2278
2279 set_atimespec(st, access_time_ts);
2280 set_ctimespec(st, change_time_ts);
2281 set_mtimespec(st, write_time_ts);
2282 st->st_dev = srv->dev;
2283
2284 TALLOC_FREE(frame);
2285 return 0;
2286
2287 }
2288
2289 /*
2290 * Routine to stat a file given an fd
2291 */
2292
2293 static int
2294 smbc_fstat_ctx(SMBCCTX *context,
2295 SMBCFILE *file,
2296 struct stat *st)
2297 {
2298 struct timespec change_time_ts;
2299 struct timespec access_time_ts;
2300 struct timespec write_time_ts;
2301 SMB_OFF_T size;
2302 uint16 mode;
2303 char *server;
2304 char *share;
2305 char *user;
2306 char *password;
2307 char *path;
2308 char *targetpath;
2309 struct cli_state *targetcli;
2310 SMB_INO_T ino = 0;
2311 TALLOC_CTX *frame = talloc_stackframe();
2312
2313 if (!context || !context->internal ||
2314 !context->internal->_initialized) {
2315 errno = EINVAL;
2316 TALLOC_FREE(frame);
2317 return -1;
2318 }
2319
2320 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2321 errno = EBADF;
2322 TALLOC_FREE(frame);
2323 return -1;
2324 }
2325
2326 if (!file->file) {
2327 TALLOC_FREE(frame);
2328 return (context->fstatdir)(context, file, st);
2329 }
2330
2331 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2332 if (smbc_parse_path(frame,
2333 context,
2334 file->fname,
2335 NULL,
2336 &server,
2337 &share,
2338 &path,
2339 &user,
2340 &password,
2341 NULL)) {
2342 errno = EINVAL;
2343 TALLOC_FREE(frame);
2344 return -1;
2345 }
2346
2347 /*d_printf(">>>fstat: resolving %s\n", path);*/
2348 if (!cli_resolve_path(frame, "", file->srv->cli, path,
2349 &targetcli, &targetpath)) {
2350 d_printf("Could not resolve %s\n", path);
2351 TALLOC_FREE(frame);
2352 return -1;
2353 }
2354 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2355
2356 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2357 NULL,
2358 &access_time_ts,
2359 &write_time_ts,
2360 &change_time_ts,
2361 &ino)) {
2362
2363 time_t change_time, access_time, write_time;
2364
2365 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2366 &change_time, &access_time, &write_time)) {
2367
2368 errno = EINVAL;
2369 TALLOC_FREE(frame);
2370 return -1;
2371 }
2372
2373 change_time_ts = convert_time_t_to_timespec(change_time);
2374 access_time_ts = convert_time_t_to_timespec(access_time);
2375 write_time_ts = convert_time_t_to_timespec(write_time);
2376 }
2377
2378 st->st_ino = ino;
2379
2380 smbc_setup_stat(context, st, file->fname, size, mode);
2381
2382 set_atimespec(st, access_time_ts);
2383 set_ctimespec(st, change_time_ts);
2384 set_mtimespec(st, write_time_ts);
2385 st->st_dev = file->srv->dev;
2386
2387 TALLOC_FREE(frame);
2388 return 0;
2389
2390 }
2391
2392 /*
2393 * Routine to open a directory
2394 * We accept the URL syntax explained in smbc_parse_path(), above.
2395 */
2396
2397 static void
2398 smbc_remove_dir(SMBCFILE *dir)
2399 {
2400 struct smbc_dir_list *d,*f;
2401
2402 d = dir->dir_list;
2403 while (d) {
2404
2405 f = d; d = d->next;
2406
2407 SAFE_FREE(f->dirent);
2408 SAFE_FREE(f);
2409
2410 }
2411
2412 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2413
2414 }
2415
2416 static int
2417 add_dirent(SMBCFILE *dir,
2418 const char *name,
2419 const char *comment,
2420 uint32 type)
2421 {
2422 struct smbc_dirent *dirent;
2423 int size;
2424 int name_length = (name == NULL ? 0 : strlen(name));
2425 int comment_len = (comment == NULL ? 0 : strlen(comment));
2426
2427 /*
2428 * Allocate space for the dirent, which must be increased by the
2429 * size of the name and the comment and 1 each for the null terminator.
2430 */
2431
2432 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2433
2434 dirent = (struct smbc_dirent *)SMB_MALLOC(size);
2435
2436 if (!dirent) {
2437
2438 dir->dir_error = ENOMEM;
2439 return -1;
2440
2441 }
2442
2443 ZERO_STRUCTP(dirent);
2444
2445 if (dir->dir_list == NULL) {
2446
2447 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2448 if (!dir->dir_list) {
2449
2450 SAFE_FREE(dirent);
2451 dir->dir_error = ENOMEM;
2452 return -1;
2453
2454 }
2455 ZERO_STRUCTP(dir->dir_list);
2456
2457 dir->dir_end = dir->dir_next = dir->dir_list;
2458 }
2459 else {
2460
2461 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2462
2463 if (!dir->dir_end->next) {
2464
2465 SAFE_FREE(dirent);
2466 dir->dir_error = ENOMEM;
2467 return -1;
2468
2469 }
2470 ZERO_STRUCTP(dir->dir_end->next);
2471
2472 dir->dir_end = dir->dir_end->next;
2473 }
2474
2475 dir->dir_end->next = NULL;
2476 dir->dir_end->dirent = dirent;
2477
2478 dirent->smbc_type = type;
2479 dirent->namelen = name_length;
2480 dirent->commentlen = comment_len;
2481 dirent->dirlen = size;
2482
2483 /*
2484 * dirent->namelen + 1 includes the null (no null termination needed)
2485 * Ditto for dirent->commentlen.
2486 * The space for the two null bytes was allocated.
2487 */
2488 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2489 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2490 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2491
2492 return 0;
2493
2494 }
2495
2496 static void
2497 list_unique_wg_fn(const char *name,
2498 uint32 type,
2499 const char *comment,
2500 void *state)
2501 {
2502 SMBCFILE *dir = (SMBCFILE *)state;
2503 struct smbc_dir_list *dir_list;
2504 struct smbc_dirent *dirent;
2505 int dirent_type;
2506 int do_remove = 0;
2507
2508 dirent_type = dir->dir_type;
2509
2510 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2511
2512 /* An error occurred, what do we do? */
2513 /* FIXME: Add some code here */
2514 }
2515
2516 /* Point to the one just added */
2517 dirent = dir->dir_end->dirent;
2518
2519 /* See if this was a duplicate */
2520 for (dir_list = dir->dir_list;
2521 dir_list != dir->dir_end;
2522 dir_list = dir_list->next) {
2523 if (! do_remove &&
2524 strcmp(dir_list->dirent->name, dirent->name) == 0) {
2525 /* Duplicate. End end of list need to be removed. */
2526 do_remove = 1;
2527 }
2528
2529 if (do_remove && dir_list->next == dir->dir_end) {
2530 /* Found the end of the list. Remove it. */
2531 dir->dir_end = dir_list;
2532 free(dir_list->next);
2533 free(dirent);
2534 dir_list->next = NULL;
2535 break;
2536 }
2537 }
2538 }
2539
2540 static void
2541 list_fn(const char *name,
2542 uint32 type,
2543 const char *comment,
2544 void *state)
2545 {
2546 SMBCFILE *dir = (SMBCFILE *)state;
2547 int dirent_type;
2548
2549 /*
2550 * We need to process the type a little ...
2551 *
2552 * Disk share = 0x00000000
2553 * Print share = 0x00000001
2554 * Comms share = 0x00000002 (obsolete?)
2555 * IPC$ share = 0x00000003
2556 *
2557 * administrative shares:
2558 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
2559 */
2560
2561 if (dir->dir_type == SMBC_FILE_SHARE) {
2562 switch (type) {
2563 case 0 | 0x80000000:
2564 case 0:
2565 dirent_type = SMBC_FILE_SHARE;
2566 break;
2567
2568 case 1:
2569 dirent_type = SMBC_PRINTER_SHARE;
2570 break;
2571
2572 case 2:
2573 dirent_type = SMBC_COMMS_SHARE;
2574 break;
2575
2576 case 3 | 0x80000000:
2577 case 3:
2578 dirent_type = SMBC_IPC_SHARE;
2579 break;
2580
2581 default:
2582 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2583 break;
2584 }
2585 }
2586 else {
2587 dirent_type = dir->dir_type;
2588 }
2589
2590 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2591
2592 /* An error occurred, what do we do? */
2593 /* FIXME: Add some code here */
2594
2595 }
2596 }
2597
2598 static void
2599 dir_list_fn(const char *mnt,
2600 file_info *finfo,
2601 const char *mask,
2602 void *state)
2603 {
2604
2605 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2606 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2607
2608 /* Handle an error ... */
2609
2610 /* FIXME: Add some code ... */
2611
2612 }
2613
2614 }
2615
2616 static int
2617 net_share_enum_rpc(struct cli_state *cli,
2618 void (*fn)(const char *name,
2619 uint32 type,
2620 const char *comment,
2621 void *state),
2622 void *state)
2623 {
2624 int i;
2625 WERROR result;
2626 ENUM_HND enum_hnd;
2627 uint32 info_level = 1;
2628 uint32 preferred_len = 0xffffffff;
2629 uint32 type;
2630 SRV_SHARE_INFO_CTR ctr;
2631 fstring name = "";
2632 fstring comment = "";
2633 struct rpc_pipe_client *pipe_hnd;
2634 NTSTATUS nt_status;
2635
2636 /* Open the server service pipe */
2637 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2638 if (!pipe_hnd) {
2639 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2640 return -1;
2641 }
2642
2643 /* Issue the NetShareEnum RPC call and retrieve the response */
2644 init_enum_hnd(&enum_hnd, 0);
2645 result = rpccli_srvsvc_net_share_enum(pipe_hnd,
2646 talloc_tos(),
2647 info_level,
2648 &ctr,
2649 preferred_len,
2650 &enum_hnd);
2651
2652 /* Was it successful? */
2653 if (!W_ERROR_IS_OK(result) || ctr.num_entries == 0) {
2654 /* Nope. Go clean up. */
2655 goto done;
2656 }
2657
2658 /* For each returned entry... */
2659 for (i = 0; i < ctr.num_entries; i++) {
2660
2661 /* pull out the share name */
2662 rpcstr_pull_unistr2_fstring(
2663 name, &ctr.share.info1[i].info_1_str.uni_netname);
2664
2665 /* pull out the share's comment */
2666 rpcstr_pull_unistr2_fstring(
2667 comment, &ctr.share.info1[i].info_1_str.uni_remark);
2668
2669 /* Get the type value */
2670 type = ctr.share.info1[i].info_1.type;
2671
2672 /* Add this share to the list */
2673 (*fn)(name, type, comment, state);
2674 }
2675
2676 done:
2677 /* Close the server service pipe */
2678 cli_rpc_pipe_close(pipe_hnd);
2679
2680 /* Tell 'em if it worked */
2681 return W_ERROR_IS_OK(result) ? 0 : -1;
2682 }
2683
2684
2685
2686 static SMBCFILE *
2687 smbc_opendir_ctx(SMBCCTX *context,
2688 const char *fname)
2689 {
2690 int saved_errno;
2691 char *server, *share, *user, *password, *options;
2692 char *workgroup;
2693 char *path;
2694 uint16 mode;
2695 char *p;
2696 SMBCSRV *srv = NULL;
2697 SMBCFILE *dir = NULL;
2698 struct _smbc_callbacks *cb;
2699 struct sockaddr_storage rem_ss;
2700 TALLOC_CTX *frame = talloc_stackframe();
2701
2702 if (!context || !context->internal ||
2703 !context->internal->_initialized) {
2704 DEBUG(4, ("no valid context\n"));
2705 errno = EINVAL + 8192;
2706 TALLOC_FREE(frame);
2707 return NULL;
2708
2709 }
2710
2711 if (!fname) {
2712 DEBUG(4, ("no valid fname\n"));
2713 errno = EINVAL + 8193;
2714 TALLOC_FREE(frame);
2715 return NULL;
2716 }
2717
2718 if (smbc_parse_path(frame,
2719 context,
2720 fname,
2721 &workgroup,
2722 &server,
2723 &share,
2724 &path,
2725 &user,
2726 &password,
2727 &options)) {
2728 DEBUG(4, ("no valid path\n"));
2729 errno = EINVAL + 8194;
2730 TALLOC_FREE(frame);
2731 return NULL;
2732 }
2733
2734 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2735 "path='%s' options='%s'\n",
2736 fname, server, share, path, options));
2737
2738 /* Ensure the options are valid */
2739 if (smbc_check_options(server, share, path, options)) {
2740 DEBUG(4, ("unacceptable options (%s)\n", options));
2741 errno = EINVAL + 8195;
2742 TALLOC_FREE(frame);
2743 return NULL;
2744 }
2745
2746 if (!user || user[0] == (char)0) {
2747 user = talloc_strdup(frame, context->user);
2748 if (!user) {
2749 errno = ENOMEM;
2750 TALLOC_FREE(frame);
2751 return NULL;
2752 }
2753 }
2754
2755 dir = SMB_MALLOC_P(SMBCFILE);
2756
2757 if (!dir) {
2758 errno = ENOMEM;
2759 TALLOC_FREE(frame);
2760 return NULL;
2761 }
2762
2763 ZERO_STRUCTP(dir);
2764
2765 dir->cli_fd = 0;
2766 dir->fname = SMB_STRDUP(fname);
2767 dir->srv = NULL;
2768 dir->offset = 0;
2769 dir->file = False;
2770 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2771
2772 if (server[0] == (char)0) {
2773
2774 int i;
2775 int count;
2776 int max_lmb_count;
2777 struct ip_service *ip_list;
2778 struct ip_service server_addr;
2779 struct user_auth_info u_info;
2780
2781 if (share[0] != (char)0 || path[0] != (char)0) {
2782
2783 errno = EINVAL + 8196;
2784 if (dir) {
2785 SAFE_FREE(dir->fname);
2786 SAFE_FREE(dir);
2787 }
2788 TALLOC_FREE(frame);
2789 return NULL;
2790 }
2791
2792 /* Determine how many local master browsers to query */
2793 max_lmb_count = (context->options.browse_max_lmb_count == 0
2794 ? INT_MAX
2795 : context->options.browse_max_lmb_count);
2796
2797 pstrcpy(u_info.username, user);
2798 pstrcpy(u_info.password, password);
2799
2800 /*
2801 * We have server and share and path empty but options
2802 * requesting that we scan all master browsers for their list
2803 * of workgroups/domains. This implies that we must first try
2804 * broadcast queries to find all master browsers, and if that
2805 * doesn't work, then try our other methods which return only
2806 * a single master browser.
2807 */
2808
2809 ip_list = NULL;
2810 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
2811 &count)))
2812 {
2813
2814 SAFE_FREE(ip_list);
2815
2816 if (!find_master_ip(workgroup, &server_addr.ss)) {
2817
2818 if (dir) {
2819 SAFE_FREE(dir->fname);
2820 SAFE_FREE(dir);
2821 }
2822 errno = ENOENT;
2823 TALLOC_FREE(frame);
2824 return NULL;
2825 }
2826
2827 ip_list = (struct ip_service *)memdup(
2828 &server_addr, sizeof(server_addr));
2829 if (ip_list == NULL) {
2830 errno = ENOMEM;
2831 TALLOC_FREE(frame);
2832 return NULL;
2833 }
2834 count = 1;
2835 }
2836
2837 for (i = 0; i < count && i < max_lmb_count; i++) {
2838 char addr[INET6_ADDRSTRLEN];
2839 char *wg_ptr = NULL;
2840 struct cli_state *cli = NULL;
2841
2842 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
2843 DEBUG(99, ("Found master browser %d of %d: %s\n",
2844 i+1, MAX(count, max_lmb_count),
2845 addr));
2846
2847 cli = get_ipc_connect_master_ip(talloc_tos(),
2848 &ip_list[i],
2849 &u_info,
2850 &wg_ptr);
2851 /* cli == NULL is the master browser refused to talk or
2852 could not be found */
2853 if (!cli) {
2854 continue;
2855 }
2856
2857 workgroup = talloc_strdup(frame, wg_ptr);
2858 server = talloc_strdup(frame, cli->desthost);
2859
2860 cli_shutdown(cli);
2861
2862 if (!workgroup || !server) {
2863 errno = ENOMEM;
2864 TALLOC_FREE(frame);
2865 return NULL;
2866 }
2867
2868 DEBUG(4, ("using workgroup %s %s\n",
2869 workgroup, server));
2870
2871 /*
2872 * For each returned master browser IP address, get a
2873 * connection to IPC$ on the server if we do not
2874 * already have one, and determine the
2875 * workgroups/domains that it knows about.
2876 */
2877
2878 srv = smbc_server(context, True, server, "IPC$",
2879 workgroup, user, password);
2880 if (!srv) {
2881 continue;
2882 }
2883
2884 dir->srv = srv;
2885 dir->dir_type = SMBC_WORKGROUP;
2886
2887 /* Now, list the stuff ... */
2888
2889 if (!cli_NetServerEnum(srv->cli,
2890 workgroup,
2891 SV_TYPE_DOMAIN_ENUM,
2892 list_unique_wg_fn,
2893 (void *)dir)) {
2894 continue;
2895 }
2896 }
2897
2898 SAFE_FREE(ip_list);
2899 } else {
2900 /*
2901 * Server not an empty string ... Check the rest and see what
2902 * gives
2903 */
2904 if (*share == '\0') {
2905 if (*path != '\0') {
2906
2907 /* Should not have empty share with path */
2908 errno = EINVAL + 8197;
2909 if (dir) {
2910 SAFE_FREE(dir->fname);
2911 SAFE_FREE(dir);
2912 }
2913 TALLOC_FREE(frame);
2914 return NULL;
2915
2916 }
2917
2918 /*
2919 * We don't know if <server> is really a server name
2920 * or is a workgroup/domain name. If we already have
2921 * a server structure for it, we'll use it.
2922 * Otherwise, check to see if <server><1D>,
2923 * <server><1B>, or <server><20> translates. We check
2924 * to see if <server> is an IP address first.
2925 */
2926
2927 /*
2928 * See if we have an existing server. Do not
2929 * establish a connection if one does not already
2930 * exist.
2931 */
2932 srv = smbc_server(context, False, server, "IPC$",
2933 workgroup, user, password);
2934
2935 /*
2936 * If no existing server and not an IP addr, look for
2937 * LMB or DMB
2938 */
2939 if (!srv &&
2940 !is_ipaddress(server) &&
2941 (resolve_name(server, &rem_ss, 0x1d) || /* LMB */
2942 resolve_name(server, &rem_ss, 0x1b) )) { /* DMB */
2943
2944 fstring buserver;
2945
2946 dir->dir_type = SMBC_SERVER;
2947
2948 /*
2949 * Get the backup list ...
2950 */
2951 if (!name_status_find(server, 0, 0,
2952 &rem_ss, buserver)) {
2953
2954 DEBUG(0, ("Could not get name of "
2955 "local/domain master browser "
2956 "for server %s\n", server));
2957 if (dir) {
2958 SAFE_FREE(dir->fname);
2959 SAFE_FREE(dir);
2960 }
2961 errno = EPERM;
2962 TALLOC_FREE(frame);
2963 return NULL;
2964
2965 }
2966
2967 /*
2968 * Get a connection to IPC$ on the server if
2969 * we do not already have one
2970 */
2971 srv = smbc_server(context, True,
2972 buserver, "IPC$",
2973 workgroup, user, password);
2974 if (!srv) {
2975 DEBUG(0, ("got no contact to IPC$\n"));
2976 if (dir) {
2977 SAFE_FREE(dir->fname);
2978 SAFE_FREE(dir);
2979 }
2980 TALLOC_FREE(frame);
2981 return NULL;
2982
2983 }
2984
2985 dir->srv = srv;
2986
2987 /* Now, list the servers ... */
2988 if (!cli_NetServerEnum(srv->cli, server,
2989 0x0000FFFE, list_fn,
2990 (void *)dir)) {
2991
2992 if (dir) {
2993 SAFE_FREE(dir->fname);
2994 SAFE_FREE(dir);
2995 }
2996 TALLOC_FREE(frame);
2997 return NULL;
2998 }
2999 } else if (srv ||
3000 (resolve_name(server, &rem_ss, 0x20))) {
3001
3002 /* If we hadn't found the server, get one now */
3003 if (!srv) {
3004 srv = smbc_server(context, True,
3005 server, "IPC$",
3006 workgroup,
3007 user, password);
3008 }
3009
3010 if (!srv) {
3011 if (dir) {
3012 SAFE_FREE(dir->fname);
3013 SAFE_FREE(dir);
3014 }
3015 TALLOC_FREE(frame);
3016 return NULL;
3017
3018 }
3019
3020 dir->dir_type = SMBC_FILE_SHARE;
3021 dir->srv = srv;
3022
3023 /* List the shares ... */
3024
3025 if (net_share_enum_rpc(
3026 srv->cli,
3027 list_fn,
3028 (void *) dir) < 0 &&
3029 cli_RNetShareEnum(
3030 srv->cli,
3031 list_fn,
3032 (void *)dir) < 0) {
3033
3034 errno = cli_errno(srv->cli);
3035 if (dir) {
3036 SAFE_FREE(dir->fname);
3037 SAFE_FREE(dir);
3038 }
3039 TALLOC_FREE(frame);
3040 return NULL;
3041
3042 }
3043 } else {
3044 /* Neither the workgroup nor server exists */
3045 errno = ECONNREFUSED;
3046 if (dir) {
3047 SAFE_FREE(dir->fname);
3048 SAFE_FREE(dir);
3049 }
3050 TALLOC_FREE(frame);
3051 return NULL;
3052 }
3053
3054 }
3055 else {
3056 /*
3057 * The server and share are specified ... work from
3058 * there ...
3059 */
3060 char *targetpath;
3061 struct cli_state *targetcli;
3062
3063 /* We connect to the server and list the directory */
3064 dir->dir_type = SMBC_FILE_SHARE;
3065
3066 srv = smbc_server(context, True, server, share,
3067 workgroup, user, password);
3068
3069 if (!srv) {
3070 if (dir) {
3071 SAFE_FREE(dir->fname);
3072 SAFE_FREE(dir);
3073 }
3074 TALLOC_FREE(frame);
3075 return NULL;
3076 }
3077
3078 dir->srv = srv;
3079
3080 /* Now, list the files ... */
3081
3082 p = path + strlen(path);
3083 path = talloc_asprintf_append(path, "\\*");
3084 if (!path) {
3085 if (dir) {
3086 SAFE_FREE(dir->fname);
3087 SAFE_FREE(dir);
3088 }
3089 TALLOC_FREE(frame);
3090 return NULL;
3091 }
3092
3093 if (!cli_resolve_path(frame, "", srv->cli, path,
3094 &targetcli, &targetpath)) {
3095 d_printf("Could not resolve %s\n", path);
3096 if (dir) {
3097 SAFE_FREE(dir->fname);
3098 SAFE_FREE(dir);
3099 }
3100 TALLOC_FREE(frame);
3101 return NULL;
3102 }
3103
3104 if (cli_list(targetcli, targetpath,
3105 aDIR | aSYSTEM | aHIDDEN,
3106 dir_list_fn, (void *)dir) < 0) {
3107
3108 if (dir) {
3109 SAFE_FREE(dir->fname);
3110 SAFE_FREE(dir);
3111 }
3112 saved_errno = smbc_errno(context, targetcli);
3113
3114 if (saved_errno == EINVAL) {
3115 /*
3116 * See if they asked to opendir something
3117 * other than a directory. If so, the
3118 * converted error value we got would have
3119 * been EINVAL rather than ENOTDIR.
3120 */
3121 *p = '\0'; /* restore original path */
3122
3123 if (smbc_getatr(context, srv, path,
3124 &mode, NULL,
3125 NULL, NULL, NULL, NULL,
3126 NULL) &&
3127 ! IS_DOS_DIR(mode)) {
3128
3129 /* It is. Correct the error value */
3130 saved_errno = ENOTDIR;
3131 }
3132 }
3133
3134 /*
3135 * If there was an error and the server is no
3136 * good any more...
3137 */
3138 cb = &context->callbacks;
3139 if (cli_is_error(targetcli) &&
3140 (cb->check_server_fn)(context, srv)) {
3141
3142 /* ... then remove it. */
3143 if ((cb->remove_unused_server_fn)(context,
3144 srv)) {
3145 /*
3146 * We could not remove the
3147 * server completely, remove
3148 * it from the cache so we
3149 * will not get it again. It
3150 * will be removed when the
3151 * last file/dir is closed.
3152 */
3153 (cb->remove_cached_srv_fn)(context,
3154 srv);
3155 }
3156 }
3157
3158 errno = saved_errno;
3159 TALLOC_FREE(frame);
3160 return NULL;
3161 }
3162 }
3163
3164 }
3165
3166 DLIST_ADD(context->internal->_files, dir);
3167 TALLOC_FREE(frame);
3168 return dir;
3169
3170 }
3171
3172 /*
3173 * Routine to close a directory
3174 */
3175
3176 static int
3177 smbc_closedir_ctx(SMBCCTX *context,
3178 SMBCFILE *dir)
3179 {
3180 TALLOC_CTX *frame = talloc_stackframe();
3181
3182 if (!context || !context->internal ||
3183 !context->internal->_initialized) {
3184
3185 errno = EINVAL;
3186 TALLOC_FREE(frame);
3187 return -1;
3188
3189 }
3190
3191 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3192
3193 errno = EBADF;
3194 TALLOC_FREE(frame);
3195 return -1;
3196
3197 }
3198
3199 smbc_remove_dir(dir); /* Clean it up */
3200
3201 DLIST_REMOVE(context->internal->_files, dir);
3202
3203 if (dir) {
3204
3205 SAFE_FREE(dir->fname);
3206 SAFE_FREE(dir); /* Free the space too */
3207 }
3208
3209 TALLOC_FREE(frame);
3210 return 0;
3211
3212 }
3213
3214 static void
3215 smbc_readdir_internal(SMBCCTX * context,
3216 struct smbc_dirent *dest,
3217 struct smbc_dirent *src,
3218 int max_namebuf_len)
3219 {
3220 if (context->options.urlencode_readdir_entries) {
3221
3222 /* url-encode the name. get back remaining buffer space */
3223 max_namebuf_len =
3224 smbc_urlencode(dest->name, src->name, max_namebuf_len);
3225
3226 /* We now know the name length */
3227 dest->namelen = strlen(dest->name);
3228
3229 /* Save the pointer to the beginning of the comment */
3230 dest->comment = dest->name + dest->namelen + 1;
3231
3232 /* Copy the comment */
3233 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
3234 dest->comment[max_namebuf_len - 1] = '\0';
3235
3236 /* Save other fields */
3237 dest->smbc_type = src->smbc_type;
3238 dest->commentlen = strlen(dest->comment);
3239 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
3240 (char *) dest);
3241 } else {
3242
3243 /* No encoding. Just copy the entry as is. */
3244 memcpy(dest, src, src->dirlen);
3245 dest->comment = (char *)(&dest->name + src->namelen + 1);
3246 }
3247
3248 }
3249
3250 /*
3251 * Routine to get a directory entry
3252 */
3253
3254 struct smbc_dirent *
3255 smbc_readdir_ctx(SMBCCTX *context,
3256 SMBCFILE *dir)
3257 {
3258 int maxlen;
3259 struct smbc_dirent *dirp, *dirent;
3260 TALLOC_CTX *frame = talloc_stackframe();
3261
3262 /* Check that all is ok first ... */
3263
3264 if (!context || !context->internal ||
3265 !context->internal->_initialized) {
3266
3267 errno = EINVAL;
3268 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3269 TALLOC_FREE(frame);
3270 return NULL;
3271
3272 }
3273
3274 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3275
3276 errno = EBADF;
3277 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3278 TALLOC_FREE(frame);
3279 return NULL;
3280
3281 }
3282
3283 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3284
3285 errno = ENOTDIR;
3286 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3287 TALLOC_FREE(frame);
3288 return NULL;
3289
3290 }
3291
3292 if (!dir->dir_next) {
3293 TALLOC_FREE(frame);
3294 return NULL;
3295 }
3296
3297 dirent = dir->dir_next->dirent;
3298 if (!dirent) {
3299
3300 errno = ENOENT;
3301 TALLOC_FREE(frame);
3302 return NULL;
3303
3304 }
3305
3306 dirp = (struct smbc_dirent *)context->internal->_dirent;
3307 maxlen = (sizeof(context->internal->_dirent) -
3308 sizeof(struct smbc_dirent));
3309
3310 smbc_readdir_internal(context, dirp, dirent, maxlen);
3311
3312 dir->dir_next = dir->dir_next->next;
3313
3314 TALLOC_FREE(frame);
3315 return dirp;
3316 }
3317
3318 /*
3319 * Routine to get directory entries
3320 */
3321
3322 static int
3323 smbc_getdents_ctx(SMBCCTX *context,
3324 SMBCFILE *dir,
3325 struct smbc_dirent *dirp,
3326 int count)
3327 {
3328 int rem = count;
3329 int reqd;
3330 int maxlen;
3331 char *ndir = (char *)dirp;
3332 struct smbc_dir_list *dirlist;
3333 TALLOC_CTX *frame = talloc_stackframe();
3334
3335 /* Check that all is ok first ... */
3336
3337 if (!context || !context->internal ||
3338 !context->internal->_initialized) {
3339
3340 errno = EINVAL;
3341 TALLOC_FREE(frame);
3342 return -1;
3343
3344 }
3345
3346 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3347
3348 errno = EBADF;
3349 TALLOC_FREE(frame);
3350 return -1;
3351
3352 }
3353
3354 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3355
3356 errno = ENOTDIR;
3357 TALLOC_FREE(frame);
3358 return -1;
3359
3360 }
3361
3362 /*
3363 * Now, retrieve the number of entries that will fit in what was passed
3364 * We have to figure out if the info is in the list, or we need to
3365 * send a request to the server to get the info.
3366 */
3367
3368 while ((dirlist = dir->dir_next)) {
3369 struct smbc_dirent *dirent;
3370
3371 if (!dirlist->dirent) {
3372
3373 errno = ENOENT; /* Bad error */
3374 TALLOC_FREE(frame);
3375 return -1;
3376
3377 }
3378
3379 /* Do urlencoding of next entry, if so selected */
3380 dirent = (struct smbc_dirent *)context->internal->_dirent;
3381 maxlen = (sizeof(context->internal->_dirent) -
3382 sizeof(struct smbc_dirent));
3383 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3384
3385 reqd = dirent->dirlen;
3386
3387 if (rem < reqd) {
3388
3389 if (rem < count) { /* We managed to copy something */
3390
3391 errno = 0;
3392 TALLOC_FREE(frame);
3393 return count - rem;
3394
3395 }
3396 else { /* Nothing copied ... */
3397
3398 errno = EINVAL; /* Not enough space ... */
3399 TALLOC_FREE(frame);
3400 return -1;
3401
3402 }
3403
3404 }
3405
3406 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3407
3408 ((struct smbc_dirent *)ndir)->comment =
3409 (char *)(&((struct smbc_dirent *)ndir)->name +
3410 dirent->namelen +
3411 1);
3412
3413 ndir += reqd;
3414
3415 rem -= reqd;
3416
3417 dir->dir_next = dirlist = dirlist -> next;
3418 }
3419
3420 TALLOC_FREE(frame);
3421
3422 if (rem == count)
3423 return 0;
3424 else
3425 return count - rem;
3426
3427 }
3428
3429 /*
3430 * Routine to create a directory ...
3431 */
3432
3433 static int
3434 smbc_mkdir_ctx(SMBCCTX *context,
3435 const char *fname,
3436 mode_t mode)
3437 {
3438 SMBCSRV *srv;
3439 char *server;
3440 char *share;
3441 char *user;
3442 char *password;
3443 char *workgroup;
3444 char *path;
3445 char *targetpath;
3446 struct cli_state *targetcli;
3447 TALLOC_CTX *frame = talloc_stackframe();
3448
3449 if (!context || !context->internal ||
3450 !context->internal->_initialized) {
3451 errno = EINVAL;
3452 TALLOC_FREE(frame);
3453 return -1;
3454 }
3455
3456 if (!fname) {
3457 errno = EINVAL;
3458 TALLOC_FREE(frame);
3459 return -1;
3460 }
3461
3462 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3463
3464 if (smbc_parse_path(frame,
3465 context,
3466 fname,
3467 &workgroup,
3468 &server,
3469 &share,
3470 &path,
3471 &user,
3472 &password,
3473 NULL)) {
3474 errno = EINVAL;
3475 TALLOC_FREE(frame);
3476 return -1;
3477 }
3478
3479 if (!user || user[0] == (char)0) {
3480 user = talloc_strdup(frame, context->user);
3481 if (!user) {
3482 errno = ENOMEM;
3483 TALLOC_FREE(frame);
3484 return -1;
3485 }
3486 }
3487
3488 srv = smbc_server(context, True,
3489 server, share, workgroup, user, password);
3490
3491 if (!srv) {
3492
3493 TALLOC_FREE(frame);
3494 return -1; /* errno set by smbc_server */
3495
3496 }
3497
3498 /*d_printf(">>>mkdir: resolving %s\n", path);*/
3499 if (!cli_resolve_path(frame, "", srv->cli, path,
3500 &targetcli, &targetpath)) {
3501 d_printf("Could not resolve %s\n", path);
3502 TALLOC_FREE(frame);
3503 return -1;
3504 }
3505 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3506
3507 if (!cli_mkdir(targetcli, targetpath)) {
3508
3509 errno = smbc_errno(context, targetcli);
3510 TALLOC_FREE(frame);
3511 return -1;
3512
3513 }
3514
3515 TALLOC_FREE(frame);
3516 return 0;
3517
3518 }
3519
3520 /*
3521 * Our list function simply checks to see if a directory is not empty
3522 */
3523
3524 static int smbc_rmdir_dirempty = True;
3525
3526 static void
3527 rmdir_list_fn(const char *mnt,
3528 file_info *finfo,
3529 const char *mask,
3530 void *state)
3531 {
3532 if (strncmp(finfo->name, ".", 1) != 0 &&
3533 strncmp(finfo->name, "..", 2) != 0) {
3534 smbc_rmdir_dirempty = False;
3535 }
3536 }
3537
3538 /*
3539 * Routine to remove a directory
3540 */
3541
3542 static int
3543 smbc_rmdir_ctx(SMBCCTX *context,
3544 const char *fname)
3545 {
3546 SMBCSRV *srv;
3547 char *server;
3548 char *share;
3549 char *user;
3550 char *password;
3551 char *workgroup;
3552 char *path;
3553 char *targetpath;
3554 struct cli_state *targetcli;
3555 TALLOC_CTX *frame = talloc_stackframe();
3556
3557 if (!context || !context->internal ||
3558 !context->internal->_initialized) {
3559 errno = EINVAL;
3560 TALLOC_FREE(frame);
3561 return -1;
3562 }
3563
3564 if (!fname) {
3565 errno = EINVAL;
3566 TALLOC_FREE(frame);
3567 return -1;
3568 }
3569
3570 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3571
3572 if (smbc_parse_path(frame,
3573 context,
3574 fname,
3575 &workgroup,
3576 &server,
3577 &share,
3578 &path,
3579 &user,
3580 &password,
3581 NULL)) {
3582 errno = EINVAL;
3583 TALLOC_FREE(frame);
3584 return -1;
3585 }
3586
3587 if (!user || user[0] == (char)0) {
3588 user = talloc_strdup(frame, context->user);
3589 if (!user) {
3590 errno = ENOMEM;
3591 TALLOC_FREE(frame);
3592 return -1;
3593 }
3594 }
3595
3596 srv = smbc_server(context, True,
3597 server, share, workgroup, user, password);
3598
3599 if (!srv) {
3600
3601 TALLOC_FREE(frame);
3602 return -1; /* errno set by smbc_server */
3603
3604 }
3605
3606 /*d_printf(">>>rmdir: resolving %s\n", path);*/
3607 if (!cli_resolve_path(frame, "", srv->cli, path,
3608 &targetcli, &targetpath)) {
3609 d_printf("Could not resolve %s\n", path);
3610 TALLOC_FREE(frame);
3611 return -1;
3612 }
3613 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3614
3615
3616 if (!cli_rmdir(targetcli, targetpath)) {
3617
3618 errno = smbc_errno(context, targetcli);
3619
3620 if (errno == EACCES) { /* Check if the dir empty or not */
3621
3622 /* Local storage to avoid buffer overflows */
3623 char *lpath;
3624
3625 smbc_rmdir_dirempty = True; /* Make this so ... */
3626
3627 lpath = talloc_asprintf(frame, "%s\\*",
3628 targetpath);
3629 if (!lpath) {
3630 errno = ENOMEM;
3631 TALLOC_FREE(frame);
3632 return -1;
3633 }
3634
3635 if (cli_list(targetcli, lpath,
3636 aDIR | aSYSTEM | aHIDDEN,
3637 rmdir_list_fn, NULL) < 0) {
3638
3639 /* Fix errno to ignore latest error ... */
3640 DEBUG(5, ("smbc_rmdir: "
3641 "cli_list returned an error: %d\n",
3642 smbc_errno(context, targetcli)));
3643 errno = EACCES;
3644
3645 }
3646
3647 if (smbc_rmdir_dirempty)
3648 errno = EACCES;
3649 else
3650 errno = ENOTEMPTY;
3651
3652 }
3653
3654 TALLOC_FREE(frame);
3655 return -1;
3656
3657 }
3658
3659 TALLOC_FREE(frame);
3660 return 0;
3661
3662 }
3663
3664 /*
3665 * Routine to return the current directory position
3666 */
3667
3668 static off_t
3669 smbc_telldir_ctx(SMBCCTX *context,
3670 SMBCFILE *dir)
3671 {
3672 TALLOC_CTX *frame = talloc_stackframe();
3673
3674 if (!context || !context->internal ||
3675 !context->internal->_initialized) {
3676
3677 errno = EINVAL;
3678 TALLOC_FREE(frame);
3679 return -1;
3680
3681 }
3682
3683 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3684
3685 errno = EBADF;
3686 TALLOC_FREE(frame);
3687 return -1;
3688
3689 }
3690
3691 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3692
3693 errno = ENOTDIR;
3694 TALLOC_FREE(frame);
3695 return -1;
3696
3697 }
3698
3699 /* See if we're already at the end. */
3700 if (dir->dir_next == NULL) {
3701 /* We are. */
3702 TALLOC_FREE(frame);
3703 return -1;
3704 }
3705
3706 /*
3707 * We return the pointer here as the offset
3708 */
3709 TALLOC_FREE(frame);
3710 return (off_t)(long)dir->dir_next->dirent;
3711 }
3712
3713 /*
3714 * A routine to run down the list and see if the entry is OK
3715 */
3716
3717 struct smbc_dir_list *
3718 smbc_check_dir_ent(struct smbc_dir_list *list,
3719 struct smbc_dirent *dirent)
3720 {
3721
3722 /* Run down the list looking for what we want */
3723
3724 if (dirent) {
3725
3726 struct smbc_dir_list *tmp = list;
3727
3728 while (tmp) {
3729
3730 if (tmp->dirent == dirent)
3731 return tmp;
3732
3733 tmp = tmp->next;
3734
3735 }
3736
3737 }
3738
3739 return NULL; /* Not found, or an error */
3740
3741 }
3742
3743
3744 /*
3745 * Routine to seek on a directory
3746 */
3747
3748 static int
3749 smbc_lseekdir_ctx(SMBCCTX *context,
3750 SMBCFILE *dir,
3751 off_t offset)
3752 {
3753 long int l_offset = offset; /* Handle problems of size */
3754 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3755 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3756 TALLOC_CTX *frame = talloc_stackframe();
3757
3758 if (!context || !context->internal ||
3759 !context->internal->_initialized) {
3760
3761 errno = EINVAL;
3762 TALLOC_FREE(frame);
3763 return -1;
3764
3765 }
3766
3767 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3768
3769 errno = ENOTDIR;
3770 TALLOC_FREE(frame);
3771 return -1;
3772
3773 }
3774
3775 /* Now, check what we were passed and see if it is OK ... */
3776
3777 if (dirent == NULL) { /* Seek to the begining of the list */
3778
3779 dir->dir_next = dir->dir_list;
3780 TALLOC_FREE(frame);
3781 return 0;
3782
3783 }
3784
3785 if (offset == -1) { /* Seek to the end of the list */
3786 dir->dir_next = NULL;
3787 TALLOC_FREE(frame);
3788 return 0;
3789 }
3790
3791 /* Now, run down the list and make sure that the entry is OK */
3792 /* This may need to be changed if we change the format of the list */
3793
3794 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3795 errno = EINVAL; /* Bad entry */
3796 TALLOC_FREE(frame);
3797 return -1;
3798 }
3799
3800 dir->dir_next = list_ent;
3801
3802 TALLOC_FREE(frame);
3803 return 0;
3804 }
3805
3806 /*
3807 * Routine to fstat a dir
3808 */
3809
3810 static int
3811 smbc_fstatdir_ctx(SMBCCTX *context,
3812 SMBCFILE *dir,
3813 struct stat *st)
3814 {
3815
3816 if (!context || !context->internal ||
3817 !context->internal->_initialized) {
3818 errno = EINVAL;
3819 return -1;
3820 }
3821
3822 /* No code yet ... */
3823 return 0;
3824 }
3825
3826 static int
3827 smbc_chmod_ctx(SMBCCTX *context,
3828 const char *fname,
3829 mode_t newmode)
3830 {
3831 SMBCSRV *srv;
3832 char *server;
3833 char *share;
3834 char *user;
3835 char *password;
3836 char *workgroup;
3837 char *path;
3838 uint16 mode;
3839 TALLOC_CTX *frame = talloc_stackframe();
3840
3841 if (!context || !context->internal ||
3842 !context->internal->_initialized) {
3843 errno = EINVAL; /* Best I can think of ... */
3844 TALLOC_FREE(frame);
3845 return -1;
3846 }
3847
3848 if (!fname) {
3849 errno = EINVAL;
3850 TALLOC_FREE(frame);
3851 return -1;
3852 }
3853
3854 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3855
3856 if (smbc_parse_path(frame,
3857 context,
3858 fname,
3859 &workgroup,
3860 &server,
3861 &share,
3862 &path,
3863 &user,
3864 &password,
3865 NULL)) {
3866 errno = EINVAL;
3867 TALLOC_FREE(frame);
3868 return -1;
3869 }
3870
3871 if (!user || user[0] == (char)0) {
3872 user = talloc_strdup(frame, context->user);
3873 if (!user) {
3874 errno = ENOMEM;
3875 TALLOC_FREE(frame);
3876 return -1;
3877 }
3878 }
3879
3880 srv = smbc_server(context, True,
3881 server, share, workgroup, user, password);
3882
3883 if (!srv) {
3884 TALLOC_FREE(frame);
3885 return -1; /* errno set by smbc_server */
3886 }
3887
3888 mode = 0;
3889
3890 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3891 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3892 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3893 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3894
3895 if (!cli_setatr(srv->cli, path, mode, 0)) {
3896 errno = smbc_errno(context, srv->cli);
3897 TALLOC_FREE(frame);
3898 return -1;
3899 }
3900
3901 TALLOC_FREE(frame);
3902 return 0;
3903 }
3904
3905 static int
3906 smbc_utimes_ctx(SMBCCTX *context,
3907 const char *fname,
3908 struct timeval *tbuf)
3909 {
3910 SMBCSRV *srv;
3911 char *server;
3912 char *share;
3913 char *user;
3914 char *password;
3915 char *workgroup;
3916 char *path;
3917 time_t access_time;
3918 time_t write_time;
3919 TALLOC_CTX *frame = talloc_stackframe();
3920
3921 if (!context || !context->internal ||
3922 !context->internal->_initialized) {
3923 errno = EINVAL; /* Best I can think of ... */
3924 TALLOC_FREE(frame);
3925 return -1;
3926 }
3927
3928 if (!fname) {
3929 errno = EINVAL;
3930 TALLOC_FREE(frame);
3931 return -1;
3932 }
3933
3934 if (tbuf == NULL) {
3935 access_time = write_time = time(NULL);
3936 } else {
3937 access_time = tbuf[0].tv_sec;
3938 write_time = tbuf[1].tv_sec;
3939 }
3940
3941 if (DEBUGLVL(4)) {
3942 char *p;
3943 char atimebuf[32];
3944 char mtimebuf[32];
3945
3946 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
3947 atimebuf[sizeof(atimebuf) - 1] = '\0';
3948 if ((p = strchr(atimebuf, '\n')) != NULL) {
3949 *p = '\0';
3950 }
3951
3952 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
3953 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3954 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3955 *p = '\0';
3956 }
3957
3958 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3959 fname, atimebuf, mtimebuf);
3960 }
3961
3962 if (smbc_parse_path(frame,
3963 context,
3964 fname,
3965 &workgroup,
3966 &server,
3967 &share,
3968 &path,
3969 &user,
3970 &password,
3971 NULL)) {
3972 errno = EINVAL;
3973 TALLOC_FREE(frame);
3974 return -1;
3975 }
3976
3977 if (!user || user[0] == (char)0) {
3978 user = talloc_strdup(frame, context->user);
3979 if (!user) {
3980 errno = ENOMEM;
3981 TALLOC_FREE(frame);
3982 return -1;
3983 }
3984 }
3985
3986 srv = smbc_server(context, True,
3987 server, share, workgroup, user, password);
3988
3989 if (!srv) {
3990 TALLOC_FREE(frame);
3991 return -1; /* errno set by smbc_server */
3992 }
3993
3994 if (!smbc_setatr(context, srv, path,
3995 0, access_time, write_time, 0, 0)) {
3996 TALLOC_FREE(frame);
3997 return -1; /* errno set by smbc_setatr */
3998 }
3999
4000 TALLOC_FREE(frame);
4001 return 0;
4002 }
4003
4004
4005 /*
4006 * Sort ACEs according to the documentation at
4007 * http://support.microsoft.com/kb/269175, at least as far as it defines the
4008 * order.
4009 */
4010
4011 static int
4012 ace_compare(SEC_ACE *ace1,
4013 SEC_ACE *ace2)
4014 {
4015 bool b1;
4016 bool b2;
4017
4018 /* If the ACEs are equal, we have nothing more to do. */
4019 if (sec_ace_equal(ace1, ace2)) {
4020 return 0;
4021 }
4022
4023 /* Inherited follow non-inherited */
4024 b1 = ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
4025 b2 = ((ace2->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
4026 if (b1 != b2) {
4027 return (b1 ? 1 : -1);
4028 }
4029
4030 /*
4031 * What shall we do with AUDITs and ALARMs? It's undefined. We'll
4032 * sort them after DENY and ALLOW.
4033 */
4034 b1 = (ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
4035 ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
4036 ace1->type != SEC_ACE_TYPE_ACCESS_DENIED &&
4037 ace1->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
4038 b2 = (ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
4039 ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
4040 ace2->type != SEC_ACE_TYPE_ACCESS_DENIED &&
4041 ace2->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
4042 if (b1 != b2) {
4043 return (b1 ? 1 : -1);
4044 }
4045
4046 /* Allowed ACEs follow denied ACEs */
4047 b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
4048 ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
4049 b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
4050 ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
4051 if (b1 != b2) {
4052 return (b1 ? 1 : -1);
4053 }
4054
4055 /*
4056 * ACEs applying to an entity's object follow those applying to the
4057 * entity itself
4058 */
4059 b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
4060 ace1->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
4061 b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
4062 ace2->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
4063 if (b1 != b2) {
4064 return (b1 ? 1 : -1);
4065 }
4066
4067 /*
4068 * If we get this far, the ACEs are similar as far as the
4069 * characteristics we typically care about (those defined by the
4070 * referenced MS document). We'll now sort by characteristics that
4071 * just seems reasonable.
4072 */
4073
4074 if (ace1->type != ace2->type) {
4075 return ace2->type - ace1->type;
4076 }
4077
4078 if (sid_compare(&ace1->trustee, &ace2->trustee)) {
4079 return sid_compare(&ace1->trustee, &ace2->trustee);
4080 }
4081
4082 if (ace1->flags != ace2->flags) {
4083 return ace1->flags - ace2->flags;
4084 }
4085
4086 if (ace1->access_mask != ace2->access_mask) {
4087 return ace1->access_mask - ace2->access_mask;
4088 }
4089
4090 if (ace1->size != ace2->size) {
4091 return ace1->size - ace2->size;
4092 }
4093
4094 return memcmp(ace1, ace2, sizeof(SEC_ACE));
4095 }
4096
4097
4098 static void
4099 sort_acl(SEC_ACL *the_acl)
4100 {
4101 uint32 i;
4102 if (!the_acl) return;
4103
4104 qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]),
4105 QSORT_CAST ace_compare);
4106
4107 for (i=1;i<the_acl->num_aces;) {
4108 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
4109 int j;
4110 for (j=i; j<the_acl->num_aces-1; j++) {
4111 the_acl->aces[j] = the_acl->aces[j+1];
4112 }
4113 the_acl->num_aces--;
4114 } else {
4115 i++;
4116 }
4117 }
4118 }
4119
4120 /* convert a SID to a string, either numeric or username/group */
4121 static void
4122 convert_sid_to_string(struct cli_state *ipc_cli,
4123 POLICY_HND *pol,
4124 fstring str,
4125 bool numeric,
4126 DOM_SID *sid)
4127 {
4128 char **domains = NULL;
4129 char **names = NULL;
4130 enum lsa_SidType *types = NULL;
4131 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
4132 TALLOC_CTX *ctx;
4133
4134 sid_to_string(str, sid);
4135
4136 if (numeric) {
4137 return; /* no lookup desired */
4138 }
4139
4140 if (!pipe_hnd) {
4141 return;
4142 }
4143
4144 /* Ask LSA to convert the sid to a name */
4145
4146 ctx = talloc_stackframe();
4147
4148 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ctx,
4149 pol, 1, sid, &domains,
4150 &names, &types)) ||
4151 !domains || !domains[0] || !names || !names[0]) {
4152 TALLOC_FREE(ctx);
4153 return;
4154 }
4155
4156 TALLOC_FREE(ctx);
4157 /* Converted OK */
4158
4159 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
4160 domains[0], lp_winbind_separator(),
4161 names[0]);
4162 }
4163
4164 /* convert a string to a SID, either numeric or username/group */
4165 static bool
4166 convert_string_to_sid(struct cli_state *ipc_cli,
4167 POLICY_HND *pol,
4168 bool numeric,
4169 DOM_SID *sid,
4170 const char *str)
4171 {
4172 enum lsa_SidType *types = NULL;
4173 DOM_SID *sids = NULL;
4174 bool result = True;
4175 TALLOC_CTX *ctx = NULL;
4176 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
4177
4178 if (!pipe_hnd) {
4179 return False;
4180 }
4181
4182 if (numeric) {
4183 if (strncmp(str, "S-", 2) == 0) {
4184 return string_to_sid(sid, str);
4185 }
4186
4187 result = False;
4188 goto done;
4189 }
4190
4191 ctx = talloc_stackframe();
4192 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ctx,
4193 pol, 1, &str, NULL, 1, &sids,
4194 &types))) {
4195 result = False;
4196 goto done;
4197 }
4198
4199 sid_copy(sid, &sids[0]);
4200 done:
4201
4202 TALLOC_FREE(ctx);
4203 return result;
4204 }
4205
4206
4207 /* parse an ACE in the same format as print_ace() */
4208 static bool
4209 parse_ace(struct cli_state *ipc_cli,
4210 POLICY_HND *pol,
4211 SEC_ACE *ace,
4212 bool numeric,
4213 char *str)
4214 {
4215 char *p;
4216 const char *cp;
4217 fstring tok;
4218 unsigned int atype;
4219 unsigned int aflags;
4220 unsigned int amask;
4221 DOM_SID sid;
4222 SEC_ACCESS mask;
4223 const struct perm_value *v;
4224 struct perm_value {
4225 const char *perm;
4226 uint32 mask;
4227 };
4228
4229 /* These values discovered by inspection */
4230 static const struct perm_value special_values[] = {
4231 { "R", 0x00120089 },
4232 { "W", 0x00120116 },
4233 { "X", 0x001200a0 },
4234 { "D", 0x00010000 },
4235 { "P", 0x00040000 },
4236 { "O", 0x00080000 },
4237 { NULL, 0 },
4238 };
4239
4240 static const struct perm_value standard_values[] = {
4241 { "READ", 0x001200a9 },
4242 { "CHANGE", 0x001301bf },
4243 { "FULL", 0x001f01ff },
4244 { NULL, 0 },
4245 };
4246
4247
4248 ZERO_STRUCTP(ace);
4249 p = strchr_m(str,':');
4250 if (!p) return False;
4251 *p = '\0';
4252 p++;
4253 /* Try to parse numeric form */
4254
4255 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
4256 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
4257 goto done;
4258 }
4259
4260 /* Try to parse text form */
4261
4262 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
4263 return False;
4264 }
4265
4266 cp = p;
4267 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
4268 return False;
4269 }
4270
4271 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
4272 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
4273 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
4274 atype = SEC_ACE_TYPE_ACCESS_DENIED;
4275 } else {
4276 return False;
4277 }
4278
4279 /* Only numeric form accepted for flags at present */
4280
4281 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
4282 sscanf(tok, "%i", &aflags))) {
4283 return False;
4284 }
4285
4286 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
4287 return False;
4288 }
4289
4290 if (strncmp(tok, "0x", 2) == 0) {
4291 if (sscanf(tok, "%i", &amask) != 1) {
4292 return False;
4293 }
4294 goto done;
4295 }
4296
4297 for (v = standard_values; v->perm; v++) {
4298 if (strcmp(tok, v->perm) == 0) {
4299 amask = v->mask;
4300 goto done;
4301 }
4302 }
4303
4304 p = tok;
4305
4306 while(*p) {
4307 bool found = False;
4308
4309 for (v = special_values; v->perm; v++) {
4310 if (v->perm[0] == *p) {
4311 amask |= v->mask;
4312 found = True;
4313 }
4314 }
4315
4316 if (!found) return False;
4317 p++;
4318 }
4319
4320 if (*p) {
4321 return False;
4322 }
4323
4324 done:
4325 mask = amask;
4326 init_sec_ace(ace, &sid, atype, mask, aflags);
4327 return True;
4328 }
4329
4330 /* add an ACE to a list of ACEs in a SEC_ACL */
4331 static bool
4332 add_ace(SEC_ACL **the_acl,
4333 SEC_ACE *ace,
4334 TALLOC_CTX *ctx)
4335 {
4336 SEC_ACL *newacl;
4337 SEC_ACE *aces;
4338
4339 if (! *the_acl) {
4340 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
4341 return True;
4342 }
4343
4344 if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
4345 return False;
4346 }
4347 memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
4348 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
4349 newacl = make_sec_acl(ctx, (*the_acl)->revision,
4350 1+(*the_acl)->num_aces, aces);
4351 SAFE_FREE(aces);
4352 (*the_acl) = newacl;
4353 return True;
4354 }
4355
4356
4357 /* parse a ascii version of a security descriptor */
4358 static SEC_DESC *
4359 sec_desc_parse(TALLOC_CTX *ctx,
4360 struct cli_state *ipc_cli,
4361 POLICY_HND *pol,
4362 bool numeric,
4363 char *str)
4364 {
4365 const char *p = str;
4366 fstring tok;
4367 SEC_DESC *ret = NULL;
4368 size_t sd_size;
4369 DOM_SID *group_sid=NULL;
4370 DOM_SID *owner_sid=NULL;
4371 SEC_ACL *dacl=NULL;
4372 int revision=1;
4373
4374 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4375
4376 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
4377 revision = strtol(tok+9, NULL, 16);
4378 continue;
4379 }
4380
4381 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
4382 if (owner_sid) {
4383 DEBUG(5, ("OWNER specified more than once!\n"));
4384 goto done;
4385 }
4386 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4387 if (!owner_sid ||
4388 !convert_string_to_sid(ipc_cli, pol,
4389 numeric,
4390 owner_sid, tok+6)) {
4391 DEBUG(5, ("Failed to parse owner sid\n"));
4392 goto done;
4393 }
4394 continue;
4395 }
4396
4397 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
4398 if (owner_sid) {
4399 DEBUG(5, ("OWNER specified more than once!\n"));
4400 goto done;
4401 }
4402 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4403 if (!owner_sid ||
4404 !convert_string_to_sid(ipc_cli, pol,
4405 False,
4406 owner_sid, tok+7)) {
4407 DEBUG(5, ("Failed to parse owner sid\n"));
4408 goto done;
4409 }
4410 continue;
4411 }
4412
4413 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4414 if (group_sid) {
4415 DEBUG(5, ("GROUP specified more than once!\n"));
4416 goto done;
4417 }
4418 group_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4419 if (!group_sid ||
4420 !convert_string_to_sid(ipc_cli, pol,
4421 numeric,
4422 group_sid, tok+6)) {
4423 DEBUG(5, ("Failed to parse group sid\n"));
4424 goto done;
4425 }
4426 continue;
4427 }
4428
4429 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4430 if (group_sid) {
4431 DEBUG(5, ("GROUP specified more than once!\n"));
4432 goto done;
4433 }
4434 group_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4435 if (!group_sid ||
4436 !convert_string_to_sid(ipc_cli, pol,
4437 False,
4438 group_sid, tok+6)) {
4439 DEBUG(5, ("Failed to parse group sid\n"));
4440 goto done;
4441 }
4442 continue;
4443 }
4444
4445 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4446 SEC_ACE ace;
4447 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4448 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4449 goto done;
4450 }
4451 if(!add_ace(&dacl, &ace, ctx)) {
4452 DEBUG(5, ("Failed to add ACL %s\n", tok));
4453 goto done;
4454 }
4455 continue;
4456 }
4457
4458 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4459 SEC_ACE ace;
4460 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4461 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4462 goto done;
4463 }
4464 if(!add_ace(&dacl, &ace, ctx)) {
4465 DEBUG(5, ("Failed to add ACL %s\n", tok));
4466 goto done;
4467 }
4468 continue;
4469 }
4470
4471 DEBUG(5, ("Failed to parse security descriptor\n"));
4472 goto done;
4473 }
4474
4475 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4476 owner_sid, group_sid, NULL, dacl, &sd_size);
4477
4478 done:
4479 SAFE_FREE(group_sid);
4480 SAFE_FREE(owner_sid);
4481
4482 return ret;
4483 }
4484
4485
4486 /* Obtain the current dos attributes */
4487 static DOS_ATTR_DESC *
4488 dos_attr_query(SMBCCTX *context,
4489 TALLOC_CTX *ctx,
4490 const char *filename,
4491 SMBCSRV *srv)
4492 {
4493 struct timespec create_time_ts;
4494 struct timespec write_time_ts;
4495 struct timespec access_time_ts;
4496 struct timespec change_time_ts;
4497 SMB_OFF_T size = 0;
4498 uint16 mode = 0;
4499 SMB_INO_T inode = 0;
4500 DOS_ATTR_DESC *ret;
4501
4502 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4503 if (!ret) {
4504 errno = ENOMEM;
4505 return NULL;
4506 }
4507
4508 /* Obtain the DOS attributes */
4509 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4510 &mode, &size,
4511 &create_time_ts,
4512 &access_time_ts,
4513 &write_time_ts,
4514 &change_time_ts,
4515 &inode)) {
4516 errno = smbc_errno(context, srv->cli);
4517 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4518 return NULL;
4519 }
4520
4521 ret->mode = mode;
4522 ret->size = size;
4523 ret->create_time = convert_timespec_to_time_t(create_time_ts);
4524 ret->access_time = convert_timespec_to_time_t(access_time_ts);
4525 ret->write_time = convert_timespec_to_time_t(write_time_ts);
4526 ret->change_time = convert_timespec_to_time_t(change_time_ts);
4527 ret->inode = inode;
4528
4529 return ret;
4530 }
4531
4532
4533 /* parse a ascii version of a security descriptor */
4534 static void
4535 dos_attr_parse(SMBCCTX *context,
4536 DOS_ATTR_DESC *dad,
4537 SMBCSRV *srv,
4538 char *str)
4539 {
4540 int n;
4541 const char *p = str;
4542 fstring tok;
4543 struct {
4544 const char * create_time_attr;
4545 const char * access_time_attr;
4546 const char * write_time_attr;
4547 const char * change_time_attr;
4548 } attr_strings;
4549
4550 /* Determine whether to use old-style or new-style attribute names */
4551 if (context->internal->_full_time_names) {
4552 /* new-style names */
4553 attr_strings.create_time_attr = "CREATE_TIME";
4554 attr_strings.access_time_attr = "ACCESS_TIME";
4555 attr_strings.write_time_attr = "WRITE_TIME";
4556 attr_strings.change_time_attr = "CHANGE_TIME";
4557 } else {
4558 /* old-style names */
4559 attr_strings.create_time_attr = NULL;
4560 attr_strings.access_time_attr = "A_TIME";
4561 attr_strings.write_time_attr = "M_TIME";
4562 attr_strings.change_time_attr = "C_TIME";
4563 }
4564
4565 /* if this is to set the entire ACL... */
4566 if (*str == '*') {
4567 /* ... then increment past the first colon if there is one */
4568 if ((p = strchr(str, ':')) != NULL) {
4569 ++p;
4570 } else {
4571 p = str;
4572 }
4573 }
4574
4575 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4576
4577 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4578 dad->mode = strtol(tok+5, NULL, 16);
4579 continue;
4580 }
4581
4582 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4583 dad->size = (SMB_OFF_T)atof(tok+5);
4584 continue;
4585 }
4586
4587 n = strlen(attr_strings.access_time_attr);
4588 if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) {
4589 dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
4590 continue;
4591 }
4592
4593 n = strlen(attr_strings.change_time_attr);
4594 if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) {
4595 dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
4596 continue;
4597 }
4598
4599 n = strlen(attr_strings.write_time_attr);
4600 if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) {
4601 dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
4602 continue;
4603 }
4604
4605 if (attr_strings.create_time_attr != NULL) {
4606 n = strlen(attr_strings.create_time_attr);
4607 if (StrnCaseCmp(tok, attr_strings.create_time_attr,
4608 n) == 0) {
4609 dad->create_time = (time_t)strtol(tok+n+1,
4610 NULL, 10);
4611 continue;
4612 }
4613 }
4614
4615 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4616 dad->inode = (SMB_INO_T)atof(tok+6);
4617 continue;
4618 }
4619 }
4620 }
4621
4622 /*****************************************************
4623 Retrieve the acls for a file.
4624 *******************************************************/
4625
4626 static int
4627 cacl_get(SMBCCTX *context,
4628 TALLOC_CTX *ctx,
4629 SMBCSRV *srv,
4630 struct cli_state *ipc_cli,
4631 POLICY_HND *pol,
4632 char *filename,
4633 char *attr_name,
4634 char *buf,
4635 int bufsize)
4636 {
4637 uint32 i;
4638 int n = 0;
4639 int n_used;
4640 bool all;
4641 bool all_nt;
4642 bool all_nt_acls;
4643 bool all_dos;
4644 bool some_nt;
4645 bool some_dos;
4646 bool exclude_nt_revision = False;
4647 bool exclude_nt_owner = False;
4648 bool exclude_nt_group = False;
4649 bool exclude_nt_acl = False;
4650 bool exclude_dos_mode = False;
4651 bool exclude_dos_size = False;
4652 bool exclude_dos_create_time = False;
4653 bool exclude_dos_access_time = False;
4654 bool exclude_dos_write_time = False;
4655 bool exclude_dos_change_time = False;
4656 bool exclude_dos_inode = False;
4657 bool numeric = True;
4658 bool determine_size = (bufsize == 0);
4659 int fnum = -1;
4660 SEC_DESC *sd;
4661 fstring sidstr;
4662 fstring name_sandbox;
4663 char *name;
4664 char *pExclude;
4665 char *p;
4666 struct timespec create_time_ts;
4667 struct timespec write_time_ts;
4668 struct timespec access_time_ts;
4669 struct timespec change_time_ts;
4670 time_t create_time = (time_t)0;
4671 time_t write_time = (time_t)0;
4672 time_t access_time = (time_t)0;
4673 time_t change_time = (time_t)0;
4674 SMB_OFF_T size = 0;
4675 uint16 mode = 0;
4676 SMB_INO_T ino = 0;
4677 struct cli_state *cli = srv->cli;
4678 struct {
4679 const char * create_time_attr;
4680 const char * access_time_attr;
4681 const char * write_time_attr;
4682 const char * change_time_attr;
4683 } attr_strings;
4684 struct {
4685 const char * create_time_attr;
4686 const char * access_time_attr;
4687 const char * write_time_attr;
4688 const char * change_time_attr;
4689 } excl_attr_strings;
4690
4691 /* Determine whether to use old-style or new-style attribute names */
4692 if (context->internal->_full_time_names) {
4693 /* new-style names */
4694 attr_strings.create_time_attr = "CREATE_TIME";
4695 attr_strings.access_time_attr = "ACCESS_TIME";
4696 attr_strings.write_time_attr = "WRITE_TIME";
4697 attr_strings.change_time_attr = "CHANGE_TIME";
4698
4699 excl_attr_strings.create_time_attr = "CREATE_TIME";
4700 excl_attr_strings.access_time_attr = "ACCESS_TIME";
4701 excl_attr_strings.write_time_attr = "WRITE_TIME";
4702 excl_attr_strings.change_time_attr = "CHANGE_TIME";
4703 } else {
4704 /* old-style names */
4705 attr_strings.create_time_attr = NULL;
4706 attr_strings.access_time_attr = "A_TIME";
4707 attr_strings.write_time_attr = "M_TIME";
4708 attr_strings.change_time_attr = "C_TIME";
4709
4710 excl_attr_strings.create_time_attr = NULL;
4711 excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
4712 excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
4713 excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
4714 }
4715
4716 /* Copy name so we can strip off exclusions (if any are specified) */
4717 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4718
4719 /* Ensure name is null terminated */
4720 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4721
4722 /* Play in the sandbox */
4723 name = name_sandbox;
4724
4725 /* If there are any exclusions, point to them and mask them from name */
4726 if ((pExclude = strchr(name, '!')) != NULL)
4727 {
4728 *pExclude++ = '\0';
4729 }
4730
4731 all = (StrnCaseCmp(name, "system.*", 8) == 0);
4732 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4733 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4734 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4735 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4736 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4737 numeric = (* (name + strlen(name) - 1) != '+');
4738
4739 /* Look for exclusions from "all" requests */
4740 if (all || all_nt || all_dos) {
4741
4742 /* Exclusions are delimited by '!' */
4743 for (;
4744 pExclude != NULL;
4745 pExclude = (p == NULL ? NULL : p + 1)) {
4746
4747 /* Find end of this exclusion name */
4748 if ((p = strchr(pExclude, '!')) != NULL)
4749 {
4750 *p = '\0';
4751 }
4752
4753 /* Which exclusion name is this? */
4754 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4755 exclude_nt_revision = True;
4756 }
4757 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4758 exclude_nt_owner = True;
4759 }
4760 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4761 exclude_nt_group = True;
4762 }
4763 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4764 exclude_nt_acl = True;
4765 }
4766 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4767 exclude_dos_mode = True;
4768 }
4769 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4770 exclude_dos_size = True;
4771 }
4772 else if (excl_attr_strings.create_time_attr != NULL &&
4773 StrCaseCmp(pExclude,
4774 excl_attr_strings.change_time_attr) == 0) {
4775 exclude_dos_create_time = True;
4776 }
4777 else if (StrCaseCmp(pExclude,
4778 excl_attr_strings.access_time_attr) == 0) {
4779 exclude_dos_access_time = True;
4780 }
4781 else if (StrCaseCmp(pExclude,
4782 excl_attr_strings.write_time_attr) == 0) {
4783 exclude_dos_write_time = True;
4784 }
4785 else if (StrCaseCmp(pExclude,
4786 excl_attr_strings.change_time_attr) == 0) {
4787 exclude_dos_change_time = True;
4788 }
4789 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4790 exclude_dos_inode = True;
4791 }
4792 else {
4793 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4794 pExclude));
4795 errno = ENOATTR;
4796 return -1;
4797 }
4798 }
4799 }
4800
4801 n_used = 0;
4802
4803 /*
4804 * If we are (possibly) talking to an NT or new system and some NT
4805 * attributes have been requested...
4806 */
4807 if (ipc_cli && (all || some_nt || all_nt_acls)) {
4808 /* Point to the portion after "system.nt_sec_desc." */
4809 name += 19; /* if (all) this will be invalid but unused */
4810
4811 /* ... then obtain any NT attributes which were requested */
4812 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4813
4814 if (fnum == -1) {
4815 DEBUG(5, ("cacl_get failed to open %s: %s\n",
4816 filename, cli_errstr(cli)));
4817 errno = 0;
4818 return -1;
4819 }
4820
4821 sd = cli_query_secdesc(cli, fnum, ctx);
4822
4823 if (!sd) {
4824 DEBUG(5,
4825 ("cacl_get Failed to query old descriptor\n"));
4826 errno = 0;
4827 return -1;
4828 }
4829
4830 cli_close(cli, fnum);
4831
4832 if (! exclude_nt_revision) {
4833 if (all || all_nt) {
4834 if (determine_size) {
4835 p = talloc_asprintf(ctx,
4836 "REVISION:%d",
4837 sd->revision);
4838 if (!p) {
4839 errno = ENOMEM;
4840 return -1;
4841 }
4842 n = strlen(p);
4843 } else {
4844 n = snprintf(buf, bufsize,
4845 "REVISION:%d",
4846 sd->revision);
4847 }
4848 } else if (StrCaseCmp(name, "revision") == 0) {
4849 if (determine_size) {
4850 p = talloc_asprintf(ctx, "%d",
4851 sd->revision);
4852 if (!p) {
4853 errno = ENOMEM;
4854 return -1;
4855 }
4856 n = strlen(p);
4857 } else {
4858 n = snprintf(buf, bufsize, "%d",
4859 sd->revision);
4860 }
4861 }
4862
4863 if (!determine_size && n > bufsize) {
4864 errno = ERANGE;
4865 return -1;
4866 }
4867 buf += n;
4868 n_used += n;
4869 bufsize -= n;
4870 n = 0;
4871 }
4872
4873 if (! exclude_nt_owner) {
4874 /* Get owner and group sid */
4875 if (sd->owner_sid) {
4876 convert_sid_to_string(ipc_cli, pol,
4877 sidstr,
4878 numeric,
4879 sd->owner_sid);
4880 } else {
4881 fstrcpy(sidstr, "");
4882 }
4883
4884 if (all || all_nt) {
4885 if (determine_size) {
4886 p = talloc_asprintf(ctx, ",OWNER:%s",
4887 sidstr);
4888 if (!p) {
4889 errno = ENOMEM;
4890 return -1;
4891 }
4892 n = strlen(p);
4893 } else if (sidstr[0] != '\0') {
4894 n = snprintf(buf, bufsize,
4895 ",OWNER:%s", sidstr);
4896 }
4897 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4898 if (determine_size) {
4899 p = talloc_asprintf(ctx, "%s", sidstr);
4900 if (!p) {
4901 errno = ENOMEM;
4902 return -1;
4903 }
4904 n = strlen(p);
4905 } else {
4906 n = snprintf(buf, bufsize, "%s",
4907 sidstr);
4908 }
4909 }
4910
4911 if (!determine_size && n > bufsize) {
4912 errno = ERANGE;
4913 return -1;
4914 }
4915 buf += n;
4916 n_used += n;
4917 bufsize -= n;
4918 n = 0;
4919 }
4920
4921 if (! exclude_nt_group) {
4922 if (sd->group_sid) {
4923 convert_sid_to_string(ipc_cli, pol,
4924 sidstr, numeric,
4925 sd->group_sid);
4926 } else {
4927 fstrcpy(sidstr, "");
4928 }
4929
4930 if (all || all_nt) {
4931 if (determine_size) {
4932 p = talloc_asprintf(ctx, ",GROUP:%s",
4933 sidstr);
4934 if (!p) {
4935 errno = ENOMEM;
4936 return -1;
4937 }
4938 n = strlen(p);
4939 } else if (sidstr[0] != '\0') {
4940 n = snprintf(buf, bufsize,
4941 ",GROUP:%s", sidstr);
4942 }
4943 } else if (StrnCaseCmp(name, "group", 5) == 0) {
4944 if (determine_size) {
4945 p = talloc_asprintf(ctx, "%s", sidstr);
4946 if (!p) {
4947 errno = ENOMEM;
4948 return -1;
4949 }
4950 n = strlen(p);
4951 } else {
4952 n = snprintf(buf, bufsize,
4953 "%s", sidstr);
4954 }
4955 }
4956
4957 if (!determine_size && n > bufsize) {
4958 errno = ERANGE;
4959 return -1;
4960 }
4961 buf += n;
4962 n_used += n;
4963 bufsize -= n;
4964 n = 0;
4965 }
4966
4967 if (! exclude_nt_acl) {
4968 /* Add aces to value buffer */
4969 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4970
4971 SEC_ACE *ace = &sd->dacl->aces[i];
4972 convert_sid_to_string(ipc_cli, pol,
4973 sidstr, numeric,
4974 &ace->trustee);
4975
4976 if (all || all_nt) {
4977 if (determine_size) {
4978 p = talloc_asprintf(
4979 ctx,
4980 ",ACL:"
4981 "%s:%d/%d/0x%08x",
4982 sidstr,
4983 ace->type,
4984 ace->flags,
4985 ace->access_mask);
4986 if (!p) {
4987 errno = ENOMEM;
4988 return -1;
4989 }
4990 n = strlen(p);
4991 } else {
4992 n = snprintf(
4993 buf, bufsize,
4994 ",ACL:%s:%d/%d/0x%08x",
4995 sidstr,
4996 ace->type,
4997 ace->flags,
4998 ace->access_mask);
4999 }
5000 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
5001 StrCaseCmp(name+3, sidstr) == 0) ||
5002 (StrnCaseCmp(name, "acl+", 4) == 0 &&
5003 StrCaseCmp(name+4, sidstr) == 0)) {
5004 if (determine_size) {
5005 p = talloc_asprintf(
5006 ctx,
5007 "%d/%d/0x%08x",
5008 ace->type,
5009 ace->flags,
5010 ace->access_mask);
5011 if (!p) {
5012 errno = ENOMEM;
5013 return -1;
5014 }
5015 n = strlen(p);
5016 } else {
5017 n = snprintf(buf, bufsize,
5018 "%d/%d/0x%08x",
5019 ace->type,
5020 ace->flags,
5021 ace->access_mask);
5022 }
5023 } else if (all_nt_acls) {
5024 if (determine_size) {
5025 p = talloc_asprintf(
5026 ctx,
5027 "%s%s:%d/%d/0x%08x",
5028 i ? "," : "",
5029 sidstr,
5030 ace->type,
5031 ace->flags,
5032 ace->access_mask);
5033 if (!p) {
5034 errno = ENOMEM;
5035 return -1;
5036 }
5037 n = strlen(p);
5038 } else {
5039 n = snprintf(buf, bufsize,
5040 "%s%s:%d/%d/0x%08x",
5041 i ? "," : "",
5042 sidstr,
5043 ace->type,
5044 ace->flags,
5045 ace->access_mask);
5046 }
5047 }
5048 if (!determine_size && n > bufsize) {
5049 errno = ERANGE;
5050 return -1;
5051 }
5052 buf += n;
5053 n_used += n;
5054 bufsize -= n;
5055 n = 0;
5056 }
5057 }
5058
5059 /* Restore name pointer to its original value */
5060 name -= 19;
5061 }
5062
5063 if (all || some_dos) {
5064 /* Point to the portion after "system.dos_attr." */
5065 name += 16; /* if (all) this will be invalid but unused */
5066
5067 /* Obtain the DOS attributes */
5068 if (!smbc_getatr(context, srv, filename, &mode, &size,
5069 &create_time_ts,
5070 &access_time_ts,
5071 &write_time_ts,
5072 &change_time_ts,
5073 &ino)) {
5074
5075 errno = smbc_errno(context, srv->cli);
5076 return -1;
5077
5078 }
5079
5080 create_time = convert_timespec_to_time_t(create_time_ts);
5081 access_time = convert_timespec_to_time_t(access_time_ts);
5082 write_time = convert_timespec_to_time_t(write_time_ts);
5083 change_time = convert_timespec_to_time_t(change_time_ts);
5084
5085 if (! exclude_dos_mode) {
5086 if (all || all_dos) {
5087 if (determine_size) {
5088 p = talloc_asprintf(ctx,
5089 "%sMODE:0x%x",
5090 (ipc_cli &&
5091 (all || some_nt)
5092 ? ","
5093 : ""),
5094 mode);
5095 if (!p) {
5096 errno = ENOMEM;
5097 return -1;
5098 }
5099 n = strlen(p);
5100 } else {
5101 n = snprintf(buf, bufsize,
5102 "%sMODE:0x%x",
5103 (ipc_cli &&
5104 (all || some_nt)
5105 ? ","
5106 : ""),
5107 mode);
5108 }
5109 } else if (StrCaseCmp(name, "mode") == 0) {
5110 if (determine_size) {
5111 p = talloc_asprintf(ctx, "0x%x", mode);
5112 if (!p) {
5113 errno = ENOMEM;
5114 return -1;
5115 }
5116 n = strlen(p);
5117 } else {
5118 n = snprintf(buf, bufsize,
5119 "0x%x", mode);
5120 }
5121 }
5122
5123 if (!determine_size && n > bufsize) {
5124 errno = ERANGE;
5125 return -1;
5126 }
5127 buf += n;
5128 n_used += n;
5129 bufsize -= n;
5130 n = 0;
5131 }
5132
5133 if (! exclude_dos_size) {
5134 if (all || all_dos) {
5135 if (determine_size) {
5136 p = talloc_asprintf(
5137 ctx,
5138 ",SIZE:%.0f",
5139 (double)size);
5140 if (!p) {
5141 errno = ENOMEM;
5142 return -1;
5143 }
5144 n = strlen(p);
5145 } else {
5146 n = snprintf(buf, bufsize,
5147 ",SIZE:%.0f",
5148 (double)size);
5149 }
5150 } else if (StrCaseCmp(name, "size") == 0) {
5151 if (determine_size) {
5152 p = talloc_asprintf(
5153 ctx,
5154 "%.0f",
5155 (double)size);
5156 if (!p) {
5157 errno = ENOMEM;
5158 return -1;
5159 }
5160 n = strlen(p);
5161 } else {
5162 n = snprintf(buf, bufsize,
5163 "%.0f",
5164 (double)size);
5165 }
5166 }
5167
5168 if (!determine_size && n > bufsize) {
5169 errno = ERANGE;
5170 return -1;
5171 }
5172 buf += n;
5173 n_used += n;
5174 bufsize -= n;
5175 n = 0;
5176 }
5177
5178 if (! exclude_dos_create_time &&
5179 attr_strings.create_time_attr != NULL) {
5180 if (all || all_dos) {
5181 if (determine_size) {
5182 p = talloc_asprintf(ctx,
5183 ",%s:%lu",
5184 attr_strings.create_time_attr,
5185 create_time);
5186 if (!p) {
5187 errno = ENOMEM;
5188 return -1;
5189 }
5190 n = strlen(p);
5191 } else {
5192 n = snprintf(buf, bufsize,
5193 ",%s:%lu",
5194 attr_strings.create_time_attr,
5195 create_time);
5196 }
5197 } else if (StrCaseCmp(name, attr_strings.create_time_attr) == 0) {
5198 if (determine_size) {
5199 p = talloc_asprintf(ctx, "%lu", create_time);
5200 if (!p) {
5201 errno = ENOMEM;
5202 return -1;
5203 }
5204 n = strlen(p);
5205 } else {
5206 n = snprintf(buf, bufsize,
5207 "%lu", create_time);
5208 }
5209 }
5210
5211 if (!determine_size && n > bufsize) {
5212 errno = ERANGE;
5213 return -1;
5214 }
5215 buf += n;
5216 n_used += n;
5217 bufsize -= n;
5218 n = 0;
5219 }
5220
5221 if (! exclude_dos_access_time) {
5222 if (all || all_dos) {
5223 if (determine_size) {
5224 p = talloc_asprintf(ctx,
5225 ",%s:%lu",
5226 attr_strings.access_time_attr,
5227 access_time);
5228 if (!p) {
5229 errno = ENOMEM;
5230 return -1;
5231 }
5232 n = strlen(p);
5233 } else {
5234 n = snprintf(buf, bufsize,
5235 ",%s:%lu",
5236 attr_strings.access_time_attr,
5237 access_time);
5238 }
5239 } else if (StrCaseCmp(name, attr_strings.access_time_attr) == 0) {
5240 if (determine_size) {
5241 p = talloc_asprintf(ctx, "%lu", access_time);
5242 if (!p) {
5243 errno = ENOMEM;
5244 return -1;
5245 }
5246 n = strlen(p);
5247 } else {
5248 n = snprintf(buf, bufsize,
5249 "%lu", access_time);
5250 }
5251 }
5252
5253 if (!determine_size && n > bufsize) {
5254 errno = ERANGE;
5255 return -1;
5256 }
5257 buf += n;
5258 n_used += n;
5259 bufsize -= n;
5260 n = 0;
5261 }
5262
5263 if (! exclude_dos_write_time) {
5264 if (all || all_dos) {
5265 if (determine_size) {
5266 p = talloc_asprintf(ctx,
5267 ",%s:%lu",
5268 attr_strings.write_time_attr,
5269 write_time);
5270 if (!p) {
5271 errno = ENOMEM;
5272 return -1;
5273 }
5274 n = strlen(p);
5275 } else {
5276 n = snprintf(buf, bufsize,
5277 ",%s:%lu",
5278 attr_strings.write_time_attr,
5279 write_time);
5280 }
5281 } else if (StrCaseCmp(name, attr_strings.write_time_attr) == 0) {
5282 if (determine_size) {
5283 p = talloc_asprintf(ctx, "%lu", write_time);
5284 if (!p) {
5285 errno = ENOMEM;
5286 return -1;
5287 }
5288 n = strlen(p);
5289 } else {
5290 n = snprintf(buf, bufsize,
5291 "%lu", write_time);
5292 }
5293 }
5294
5295 if (!determine_size && n > bufsize) {
5296 errno = ERANGE;
5297 return -1;
5298 }
5299 buf += n;
5300 n_used += n;
5301 bufsize -= n;
5302 n = 0;
5303 }
5304
5305 if (! exclude_dos_change_time) {
5306 if (all || all_dos) {
5307 if (determine_size) {
5308 p = talloc_asprintf(ctx,
5309 ",%s:%lu",
5310 attr_strings.change_time_attr,
5311 change_time);
5312 if (!p) {
5313 errno = ENOMEM;
5314 return -1;
5315 }
5316 n = strlen(p);
5317 } else {
5318 n = snprintf(buf, bufsize,
5319 ",%s:%lu",
5320 attr_strings.change_time_attr,
5321 change_time);
5322 }
5323 } else if (StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5324 if (determine_size) {
5325 p = talloc_asprintf(ctx, "%lu", change_time);
5326 if (!p) {
5327 errno = ENOMEM;
5328 return -1;
5329 }
5330 n = strlen(p);
5331 } else {
5332 n = snprintf(buf, bufsize,
5333 "%lu", change_time);
5334 }
5335 }
5336
5337 if (!determine_size && n > bufsize) {
5338 errno = ERANGE;
5339 return -1;
5340 }
5341 buf += n;
5342 n_used += n;
5343 bufsize -= n;
5344 n = 0;
5345 }
5346
5347 if (! exclude_dos_inode) {
5348 if (all || all_dos) {
5349 if (determine_size) {
5350 p = talloc_asprintf(
5351 ctx,
5352 ",INODE:%.0f",
5353 (double)ino);
5354 if (!p) {
5355 errno = ENOMEM;
5356 return -1;
5357 }
5358 n = strlen(p);
5359 } else {
5360 n = snprintf(buf, bufsize,
5361 ",INODE:%.0f",
5362 (double) ino);
5363 }
5364 } else if (StrCaseCmp(name, "inode") == 0) {
5365 if (determine_size) {
5366 p = talloc_asprintf(
5367 ctx,
5368 "%.0f",
5369 (double) ino);
5370 if (!p) {
5371 errno = ENOMEM;
5372 return -1;
5373 }
5374 n = strlen(p);
5375 } else {
5376 n = snprintf(buf, bufsize,
5377 "%.0f",
5378 (double) ino);
5379 }
5380 }
5381
5382 if (!determine_size && n > bufsize) {
5383 errno = ERANGE;
5384 return -1;
5385 }
5386 buf += n;
5387 n_used += n;
5388 bufsize -= n;
5389 n = 0;
5390 }
5391
5392 /* Restore name pointer to its original value */
5393 name -= 16;
5394 }
5395
5396 if (n_used == 0) {
5397 errno = ENOATTR;
5398 return -1;
5399 }
5400
5401 return n_used;
5402 }
5403
5404 /*****************************************************
5405 set the ACLs on a file given an ascii description
5406 *******************************************************/
5407 static int
5408 cacl_set(TALLOC_CTX *ctx,
5409 struct cli_state *cli,
5410 struct cli_state *ipc_cli,
5411 POLICY_HND *pol,
5412 const char *filename,
5413 const char *the_acl,
5414 int mode,
5415 int flags)
5416 {
5417 int fnum;
5418 int err = 0;
5419 SEC_DESC *sd = NULL, *old;
5420 SEC_ACL *dacl = NULL;
5421 DOM_SID *owner_sid = NULL;
5422 DOM_SID *group_sid = NULL;
5423 uint32 i, j;
5424 size_t sd_size;
5425 int ret = 0;
5426 char *p;
5427 bool numeric = True;
5428
5429 /* the_acl will be null for REMOVE_ALL operations */
5430 if (the_acl) {
5431 numeric = ((p = strchr(the_acl, ':')) != NULL &&
5432 p > the_acl &&
5433 p[-1] != '+');
5434
5435 /* if this is to set the entire ACL... */
5436 if (*the_acl == '*') {
5437 /* ... then increment past the first colon */
5438 the_acl = p + 1;
5439 }
5440
5441 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
5442 CONST_DISCARD(char *, the_acl));
5443
5444 if (!sd) {
5445 errno = EINVAL;
5446 return -1;
5447 }
5448 }
5449
5450 /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
5451 that doesn't deref sd */
5452
5453 if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
5454 errno = EINVAL;
5455 return -1;
5456 }
5457
5458 /* The desired access below is the only one I could find that works
5459 with NT4, W2KP and Samba */
5460
5461 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
5462
5463 if (fnum == -1) {
5464 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5465 filename, cli_errstr(cli)));
5466 errno = 0;
5467 return -1;
5468 }
5469
5470 old = cli_query_secdesc(cli, fnum, ctx);
5471
5472 if (!old) {
5473 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
5474 errno = 0;
5475 return -1;
5476 }
5477
5478 cli_close(cli, fnum);
5479
5480 switch (mode) {
5481 case SMBC_XATTR_MODE_REMOVE_ALL:
5482 old->dacl->num_aces = 0;
5483 dacl = old->dacl;
5484 break;
5485
5486 case SMBC_XATTR_MODE_REMOVE:
5487 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5488 bool found = False;
5489
5490 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5491 if (sec_ace_equal(&sd->dacl->aces[i],
5492 &old->dacl->aces[j])) {
5493 uint32 k;
5494 for (k=j; k<old->dacl->num_aces-1;k++) {
5495 old->dacl->aces[k] =
5496 old->dacl->aces[k+1];
5497 }
5498 old->dacl->num_aces--;
5499 found = True;
5500 dacl = old->dacl;
5501 break;
5502 }
5503 }
5504
5505 if (!found) {
5506 err = ENOATTR;
5507 ret = -1;
5508 goto failed;
5509 }
5510 }
5511 break;
5512
5513 case SMBC_XATTR_MODE_ADD:
5514 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5515 bool found = False;
5516
5517 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5518 if (sid_equal(&sd->dacl->aces[i].trustee,
5519 &old->dacl->aces[j].trustee)) {
5520 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
5521 err = EEXIST;
5522 ret = -1;
5523 goto failed;
5524 }
5525 old->dacl->aces[j] = sd->dacl->aces[i];
5526 ret = -1;
5527 found = True;
5528 }
5529 }
5530
5531 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
5532 err = ENOATTR;
5533 ret = -1;
5534 goto failed;
5535 }
5536
5537 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5538 add_ace(&old->dacl, &sd->dacl->aces[i], ctx);
5539 }
5540 }
5541 dacl = old->dacl;
5542 break;
5543
5544 case SMBC_XATTR_MODE_SET:
5545 old = sd;
5546 owner_sid = old->owner_sid;
5547 group_sid = old->group_sid;
5548 dacl = old->dacl;
5549 break;
5550
5551 case SMBC_XATTR_MODE_CHOWN:
5552 owner_sid = sd->owner_sid;
5553 break;
5554
5555 case SMBC_XATTR_MODE_CHGRP:
5556 group_sid = sd->group_sid;
5557 break;
5558 }
5559
5560 /* Denied ACE entries must come before allowed ones */
5561 sort_acl(old->dacl);
5562
5563 /* Create new security descriptor and set it */
5564 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
5565 owner_sid, group_sid, NULL, dacl, &sd_size);
5566
5567 fnum = cli_nt_create(cli, filename,
5568 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
5569
5570 if (fnum == -1) {
5571 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5572 filename, cli_errstr(cli)));
5573 errno = 0;
5574 return -1;
5575 }
5576
5577 if (!cli_set_secdesc(cli, fnum, sd)) {
5578 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5579 ret = -1;
5580 }
5581
5582 /* Clean up */
5583
5584 failed:
5585 cli_close(cli, fnum);
5586
5587 if (err != 0) {
5588 errno = err;
5589 }
5590
5591 return ret;
5592 }
5593
5594
5595 static int
5596 smbc_setxattr_ctx(SMBCCTX *context,
5597 const char *fname,
5598 const char *name,
5599 const void *value,
5600 size_t size,
5601 int flags)
5602 {
5603 int ret;
5604 int ret2;
5605 SMBCSRV *srv;
5606 SMBCSRV *ipc_srv;
5607 char *server;
5608 char *share;
5609 char *user;
5610 char *password;
5611 char *workgroup;
5612 char *path;
5613 POLICY_HND pol;
5614 DOS_ATTR_DESC *dad;
5615 struct {
5616 const char * create_time_attr;
5617 const char * access_time_attr;
5618 const char * write_time_attr;
5619 const char * change_time_attr;
5620 } attr_strings;
5621 TALLOC_CTX *frame = talloc_stackframe();
5622
5623 if (!context || !context->internal ||
5624 !context->internal->_initialized) {
5625 errno = EINVAL; /* Best I can think of ... */
5626 TALLOC_FREE(frame);
5627 return -1;
5628 }
5629
5630 if (!fname) {
5631 errno = EINVAL;
5632 TALLOC_FREE(frame);
5633 return -1;
5634 }
5635
5636 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5637 fname, name, (int) size, (const char*)value));
5638
5639 if (smbc_parse_path(frame,
5640 context,
5641 fname,
5642 &workgroup,
5643 &server,
5644 &share,
5645 &path,
5646 &user,
5647 &password,
5648 NULL)) {
5649 errno = EINVAL;
5650 TALLOC_FREE(frame);
5651 return -1;
5652 }
5653
5654 if (!user || user[0] == (char)0) {
5655 user = talloc_strdup(frame, context->user);
5656 if (!user) {
5657 errno = ENOMEM;
5658 TALLOC_FREE(frame);
5659 return -1;
5660 }
5661 }
5662
5663 srv = smbc_server(context, True,
5664 server, share, workgroup, user, password);
5665 if (!srv) {
5666 TALLOC_FREE(frame);
5667 return -1; /* errno set by smbc_server */
5668 }
5669
5670 if (! srv->no_nt_session) {
5671 ipc_srv = smbc_attr_server(context, server, share,
5672 workgroup, user, password,
5673 &pol);
5674 if (! ipc_srv) {
5675 srv->no_nt_session = True;
5676 }
5677 } else {
5678 ipc_srv = NULL;
5679 }
5680
5681 /*
5682 * Are they asking to set the entire set of known attributes?
5683 */
5684 if (StrCaseCmp(name, "system.*") == 0 ||
5685 StrCaseCmp(name, "system.*+") == 0) {
5686 /* Yup. */
5687 char *namevalue =
5688 talloc_asprintf(talloc_tos(), "%s:%s",
5689 name+7, (const char *) value);
5690 if (! namevalue) {
5691 errno = ENOMEM;
5692 ret = -1;
5693 TALLOC_FREE(frame);
5694 return -1;
5695 }
5696
5697 if (ipc_srv) {
5698 ret = cacl_set(talloc_tos(), srv->cli,
5699 ipc_srv->cli, &pol, path,
5700 namevalue,
5701 (*namevalue == '*'
5702 ? SMBC_XATTR_MODE_SET
5703 : SMBC_XATTR_MODE_ADD),
5704 flags);
5705 } else {
5706 ret = 0;
5707 }
5708
5709 /* get a DOS Attribute Descriptor with current attributes */
5710 dad = dos_attr_query(context, talloc_tos(), path, srv);
5711 if (dad) {
5712 /* Overwrite old with new, using what was provided */
5713 dos_attr_parse(context, dad, srv, namevalue);
5714
5715 /* Set the new DOS attributes */
5716 if (! smbc_setatr(context, srv, path,
5717 dad->create_time,
5718 dad->access_time,
5719 dad->write_time,
5720 dad->change_time,
5721 dad->mode)) {
5722
5723 /* cause failure if NT failed too */
5724 dad = NULL;
5725 }
5726 }
5727
5728 /* we only fail if both NT and DOS sets failed */
5729 if (ret < 0 && ! dad) {
5730 ret = -1; /* in case dad was null */
5731 }
5732 else {
5733 ret = 0;
5734 }
5735
5736 TALLOC_FREE(frame);
5737 return ret;
5738 }
5739
5740 /*
5741 * Are they asking to set an access control element or to set
5742 * the entire access control list?
5743 */
5744 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5745 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5746 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5747 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5748 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5749
5750 /* Yup. */
5751 char *namevalue =
5752 talloc_asprintf(talloc_tos(), "%s:%s",
5753 name+19, (const char *) value);
5754
5755 if (! ipc_srv) {
5756 ret = -1; /* errno set by smbc_server() */
5757 }
5758 else if (! namevalue) {
5759 errno = ENOMEM;
5760 ret = -1;
5761 } else {
5762 ret = cacl_set(talloc_tos(), srv->cli,
5763 ipc_srv->cli, &pol, path,
5764 namevalue,
5765 (*namevalue == '*'
5766 ? SMBC_XATTR_MODE_SET
5767 : SMBC_XATTR_MODE_ADD),
5768 flags);
5769 }
5770 TALLOC_FREE(frame);
5771 return ret;
5772 }
5773
5774 /*
5775 * Are they asking to set the owner?
5776 */
5777 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5778 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5779
5780 /* Yup. */
5781 char *namevalue =
5782 talloc_asprintf(talloc_tos(), "%s:%s",
5783 name+19, (const char *) value);
5784
5785 if (! ipc_srv) {
5786 ret = -1; /* errno set by smbc_server() */
5787 }
5788 else if (! namevalue) {
5789 errno = ENOMEM;
5790 ret = -1;
5791 } else {
5792 ret = cacl_set(talloc_tos(), srv->cli,
5793 ipc_srv->cli, &pol, path,
5794 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5795 }
5796 TALLOC_FREE(frame);
5797 return ret;
5798 }
5799
5800 /*
5801 * Are they asking to set the group?
5802 */
5803 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5804 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5805
5806 /* Yup. */
5807 char *namevalue =
5808 talloc_asprintf(talloc_tos(), "%s:%s",
5809 name+19, (const char *) value);
5810
5811 if (! ipc_srv) {
5812 /* errno set by smbc_server() */
5813 ret = -1;
5814 }
5815 else if (! namevalue) {
5816 errno = ENOMEM;
5817 ret = -1;
5818 } else {
5819 ret = cacl_set(talloc_tos(), srv->cli,
5820 ipc_srv->cli, &pol, path,
5821 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5822 }
5823 TALLOC_FREE(frame);
5824 return ret;
5825 }
5826
5827 /* Determine whether to use old-style or new-style attribute names */
5828 if (context->internal->_full_time_names) {
5829 /* new-style names */
5830 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5831 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5832 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5833 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5834 } else {
5835 /* old-style names */
5836 attr_strings.create_time_attr = NULL;
5837 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5838 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5839 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5840 }
5841
5842 /*
5843 * Are they asking to set a DOS attribute?
5844 */
5845 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5846 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5847 (attr_strings.create_time_attr != NULL &&
5848 StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5849 StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5850 StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5851 StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5852
5853 /* get a DOS Attribute Descriptor with current attributes */
5854 dad = dos_attr_query(context, talloc_tos(), path, srv);
5855 if (dad) {
5856 char *namevalue =
5857 talloc_asprintf(talloc_tos(), "%s:%s",
5858 name+16, (const char *) value);
5859 if (! namevalue) {
5860 errno = ENOMEM;
5861 ret = -1;
5862 } else {
5863 /* Overwrite old with provided new params */
5864 dos_attr_parse(context, dad, srv, namevalue);
5865
5866 /* Set the new DOS attributes */
5867 ret2 = smbc_setatr(context, srv, path,
5868 dad->create_time,
5869 dad->access_time,
5870 dad->write_time,
5871 dad->change_time,
5872 dad->mode);
5873
5874 /* ret2 has True (success) / False (failure) */
5875 if (ret2) {
5876 ret = 0;
5877 } else {
5878 ret = -1;
5879 }
5880 }
5881 } else {
5882 ret = -1;
5883 }
5884
5885 TALLOC_FREE(frame);
5886 return ret;
5887 }
5888
5889 /* Unsupported attribute name */
5890 errno = EINVAL;
5891 TALLOC_FREE(frame);
5892 return -1;
5893 }
5894
5895 static int
5896 smbc_getxattr_ctx(SMBCCTX *context,
5897 const char *fname,
5898 const char *name,
5899 const void *value,
5900 size_t size)
5901 {
5902 int ret;
5903 SMBCSRV *srv;
5904 SMBCSRV *ipc_srv;
5905 char *server;
5906 char *share;
5907 char *user;
5908 char *password;
5909 char *workgroup;
5910 char *path;
5911 POLICY_HND pol;
5912 struct {
5913 const char * create_time_attr;
5914 const char * access_time_attr;
5915 const char * write_time_attr;
5916 const char * change_time_attr;
5917 } attr_strings;
5918 TALLOC_CTX *frame = talloc_stackframe();
5919
5920 if (!context || !context->internal ||
5921 !context->internal->_initialized) {
5922 errno = EINVAL; /* Best I can think of ... */
5923 TALLOC_FREE(frame);
5924 return -1;
5925 }
5926
5927 if (!fname) {
5928 errno = EINVAL;
5929 TALLOC_FREE(frame);
5930 return -1;
5931 }
5932
5933 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5934
5935 if (smbc_parse_path(frame,
5936 context,
5937 fname,
5938 &workgroup,
5939 &server,
5940 &share,
5941 &path,
5942 &user,
5943 &password,
5944 NULL)) {
5945 errno = EINVAL;
5946 TALLOC_FREE(frame);
5947 return -1;
5948 }
5949
5950 if (!user || user[0] == (char)0) {
5951 user = talloc_strdup(frame, context->user);
5952 if (!user) {
5953 errno = ENOMEM;
5954 TALLOC_FREE(frame);
5955 return -1;
5956 }
5957 }
5958
5959 srv = smbc_server(context, True,
5960 server, share, workgroup, user, password);
5961 if (!srv) {
5962 TALLOC_FREE(frame);
5963 return -1; /* errno set by smbc_server */
5964 }
5965
5966 if (! srv->no_nt_session) {
5967 ipc_srv = smbc_attr_server(context, server, share,
5968 workgroup, user, password,
5969 &pol);
5970 if (! ipc_srv) {
5971 srv->no_nt_session = True;
5972 }
5973 } else {
5974 ipc_srv = NULL;
5975 }
5976
5977 /* Determine whether to use old-style or new-style attribute names */
5978 if (context->internal->_full_time_names) {
5979 /* new-style names */
5980 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5981 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5982 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5983 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5984 } else {
5985 /* old-style names */
5986 attr_strings.create_time_attr = NULL;
5987 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5988 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5989 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5990 }
5991
5992 /* Are they requesting a supported attribute? */
5993 if (StrCaseCmp(name, "system.*") == 0 ||
5994 StrnCaseCmp(name, "system.*!", 9) == 0 ||
5995 StrCaseCmp(name, "system.*+") == 0 ||
5996 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5997 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5998 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5999 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
6000 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
6001 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
6002 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
6003 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
6004 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
6005 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
6006 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
6007 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
6008 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
6009 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
6010 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
6011 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
6012 (attr_strings.create_time_attr != NULL &&
6013 StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
6014 StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
6015 StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
6016 StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
6017 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
6018
6019 /* Yup. */
6020 ret = cacl_get(context, talloc_tos(), srv,
6021 ipc_srv == NULL ? NULL : ipc_srv->cli,
6022 &pol, path,
6023 CONST_DISCARD(char *, name),
6024 CONST_DISCARD(char *, value), size);
6025 if (ret < 0 && errno == 0) {
6026 errno = smbc_errno(context, srv->cli);
6027 }
6028 TALLOC_FREE(frame);
6029 return ret;
6030 }
6031
6032 /* Unsupported attribute name */
6033 errno = EINVAL;
6034 TALLOC_FREE(frame);
6035 return -1;
6036 }
6037
6038
6039 static int
6040 smbc_removexattr_ctx(SMBCCTX *context,
6041 const char *fname,
6042 const char *name)
6043 {
6044 int ret;
6045 SMBCSRV *srv;
6046 SMBCSRV *ipc_srv;
6047 char *server;
6048 char *share;
6049 char *user;
6050 char *password;
6051 char *workgroup;
6052 char *path;
6053 POLICY_HND pol;
6054 TALLOC_CTX *frame = talloc_stackframe();
6055
6056 if (!context || !context->internal ||
6057 !context->internal->_initialized) {
6058 errno = EINVAL; /* Best I can think of ... */
6059 TALLOC_FREE(frame);
6060 return -1;
6061 }
6062
6063 if (!fname) {
6064 errno = EINVAL;
6065 TALLOC_FREE(frame);
6066 return -1;
6067 }
6068
6069 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
6070
6071 if (smbc_parse_path(frame,
6072 context,
6073 fname,
6074 &workgroup,
6075 &server,
6076 &share,
6077 &path,
6078 &user,
6079 &password,
6080 NULL)) {
6081 errno = EINVAL;
6082 TALLOC_FREE(frame);
6083 return -1;
6084 }
6085
6086 if (!user || user[0] == (char)0) {
6087 user = talloc_strdup(frame, context->user);
6088 if (!user) {
6089 errno = ENOMEM;
6090 TALLOC_FREE(frame);
6091 return -1;
6092 }
6093 }
6094
6095 srv = smbc_server(context, True,
6096 server, share, workgroup, user, password);
6097 if (!srv) {
6098 TALLOC_FREE(frame);
6099 return -1; /* errno set by smbc_server */
6100 }
6101
6102 if (! srv->no_nt_session) {
6103 ipc_srv = smbc_attr_server(context, server, share,
6104 workgroup, user, password,
6105 &pol);
6106 if (! ipc_srv) {
6107 srv->no_nt_session = True;
6108 }
6109 } else {
6110 ipc_srv = NULL;
6111 }
6112
6113 if (! ipc_srv) {
6114 TALLOC_FREE(frame);
6115 return -1; /* errno set by smbc_attr_server */
6116 }
6117
6118 /* Are they asking to set the entire ACL? */
6119 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
6120 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
6121
6122 /* Yup. */
6123 ret = cacl_set(talloc_tos(), srv->cli,
6124 ipc_srv->cli, &pol, path,
6125 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
6126 TALLOC_FREE(frame);
6127 return ret;
6128 }
6129
6130 /*
6131 * Are they asking to remove one or more spceific security descriptor
6132 * attributes?
6133 */
6134 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
6135 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
6136 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
6137 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
6138 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
6139 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
6140 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
6141
6142 /* Yup. */
6143 ret = cacl_set(talloc_tos(), srv->cli,
6144 ipc_srv->cli, &pol, path,
6145 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
6146 TALLOC_FREE(frame);
6147 return ret;
6148 }
6149
6150 /* Unsupported attribute name */
6151 errno = EINVAL;
6152 TALLOC_FREE(frame);
6153 return -1;
6154 }
6155
6156 static int
6157 smbc_listxattr_ctx(SMBCCTX *context,
6158 const char *fname,
6159 char *list,
6160 size_t size)
6161 {
6162 /*
6163 * This isn't quite what listxattr() is supposed to do. This returns
6164 * the complete set of attribute names, always, rather than only those
6165 * attribute names which actually exist for a file. Hmmm...
6166 */
6167 const char supported_old[] =
6168 "system.*\0"
6169 "system.*+\0"
6170 "system.nt_sec_desc.revision\0"
6171 "system.nt_sec_desc.owner\0"
6172 "system.nt_sec_desc.owner+\0"
6173 "system.nt_sec_desc.group\0"
6174 "system.nt_sec_desc.group+\0"
6175 "system.nt_sec_desc.acl.*\0"
6176 "system.nt_sec_desc.acl\0"
6177 "system.nt_sec_desc.acl+\0"
6178 "system.nt_sec_desc.*\0"
6179 "system.nt_sec_desc.*+\0"
6180 "system.dos_attr.*\0"
6181 "system.dos_attr.mode\0"
6182 "system.dos_attr.c_time\0"
6183 "system.dos_attr.a_time\0"
6184 "system.dos_attr.m_time\0"
6185 ;
6186 const char supported_new[] =
6187 "system.*\0"
6188 "system.*+\0"
6189 "system.nt_sec_desc.revision\0"
6190 "system.nt_sec_desc.owner\0"
6191 "system.nt_sec_desc.owner+\0"
6192 "system.nt_sec_desc.group\0"
6193 "system.nt_sec_desc.group+\0"
6194 "system.nt_sec_desc.acl.*\0"
6195 "system.nt_sec_desc.acl\0"
6196 "system.nt_sec_desc.acl+\0"
6197 "system.nt_sec_desc.*\0"
6198 "system.nt_sec_desc.*+\0"
6199 "system.dos_attr.*\0"
6200 "system.dos_attr.mode\0"
6201 "system.dos_attr.create_time\0"
6202 "system.dos_attr.access_time\0"
6203 "system.dos_attr.write_time\0"
6204 "system.dos_attr.change_time\0"
6205 ;
6206 const char * supported;
6207
6208 if (context->internal->_full_time_names) {
6209 supported = supported_new;
6210 } else {
6211 supported = supported_old;
6212 }
6213
6214 if (size == 0) {
6215 return sizeof(supported);
6216 }
6217
6218 if (sizeof(supported) > size) {
6219 errno = ERANGE;
6220 return -1;
6221 }
6222
6223 /* this can't be strcpy() because there are embedded null characters */
6224 memcpy(list, supported, sizeof(supported));
6225 return sizeof(supported);
6226 }
6227
6228
6229 /*
6230 * Open a print file to be written to by other calls
6231 */
6232
6233 static SMBCFILE *
6234 smbc_open_print_job_ctx(SMBCCTX *context,
6235 const char *fname)
6236 {
6237 char *server;
6238 char *share;
6239 char *user;
6240 char *password;
6241 char *path;
6242 TALLOC_CTX *frame = talloc_stackframe();
6243
6244 if (!context || !context->internal ||
6245 !context->internal->_initialized) {
6246 errno = EINVAL;
6247 TALLOC_FREE(frame);
6248 return NULL;
6249 }
6250
6251 if (!fname) {
6252 errno = EINVAL;
6253 TALLOC_FREE(frame);
6254 return NULL;
6255 }
6256
6257 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
6258
6259 if (smbc_parse_path(frame,
6260 context,
6261 fname,
6262 NULL,
6263 &server,
6264 &share,
6265 &path,
6266 &user,
6267 &password,
6268 NULL)) {
6269 errno = EINVAL;
6270 TALLOC_FREE(frame);
6271 return NULL;
6272 }
6273
6274 /* What if the path is empty, or the file exists? */
6275
6276 TALLOC_FREE(frame);
6277 return (context->open)(context, fname, O_WRONLY, 666);
6278 }
6279
6280 /*
6281 * Routine to print a file on a remote server ...
6282 *
6283 * We open the file, which we assume to be on a remote server, and then
6284 * copy it to a print file on the share specified by printq.
6285 */
6286
6287 static int
6288 smbc_print_file_ctx(SMBCCTX *c_file,
6289 const char *fname,
6290 SMBCCTX *c_print,
6291 const char *printq)
6292 {
6293 SMBCFILE *fid1;
6294 SMBCFILE *fid2;
6295 int bytes;
6296 int saverr;
6297 int tot_bytes = 0;
6298 char buf[4096];
6299 TALLOC_CTX *frame = talloc_stackframe();
6300
6301 if (!c_file || !c_file->internal->_initialized || !c_print ||
6302 !c_print->internal->_initialized) {
6303
6304 errno = EINVAL;
6305 TALLOC_FREE(frame);
6306 return -1;
6307
6308 }
6309
6310 if (!fname && !printq) {
6311
6312 errno = EINVAL;
6313 TALLOC_FREE(frame);
6314 return -1;
6315
6316 }
6317
6318 /* Try to open the file for reading ... */
6319
6320 if ((long)(fid1 = (c_file->open)(c_file, fname, O_RDONLY, 0666)) < 0) {
6321 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
6322 TALLOC_FREE(frame);
6323 return -1; /* smbc_open sets errno */
6324 }
6325
6326 /* Now, try to open the printer file for writing */
6327
6328 if ((long)(fid2 = (c_print->open_print_job)(c_print, printq)) < 0) {
6329
6330 saverr = errno; /* Save errno */
6331 (c_file->close_fn)(c_file, fid1);
6332 errno = saverr;
6333 TALLOC_FREE(frame);
6334 return -1;
6335
6336 }
6337
6338 while ((bytes = (c_file->read)(c_file, fid1, buf, sizeof(buf))) > 0) {
6339
6340 tot_bytes += bytes;
6341
6342 if (((c_print->write)(c_print, fid2, buf, bytes)) < 0) {
6343
6344 saverr = errno;
6345 (c_file->close_fn)(c_file, fid1);
6346 (c_print->close_fn)(c_print, fid2);
6347 errno = saverr;
6348
6349 }
6350
6351 }
6352
6353 saverr = errno;
6354
6355 (c_file->close_fn)(c_file, fid1); /* We have to close these anyway */
6356 (c_print->close_fn)(c_print, fid2);
6357
6358 if (bytes < 0) {
6359
6360 errno = saverr;
6361 TALLOC_FREE(frame);
6362 return -1;
6363
6364 }
6365
6366 TALLOC_FREE(frame);
6367 return tot_bytes;
6368
6369 }
6370
6371 /*
6372 * Routine to list print jobs on a printer share ...
6373 */
6374
6375 static int
6376 smbc_list_print_jobs_ctx(SMBCCTX *context,
6377 const char *fname,
6378 smbc_list_print_job_fn fn)
6379 {
6380 SMBCSRV *srv;
6381 char *server;
6382 char *share;
6383 char *user;
6384 char *password;
6385 char *workgroup;
6386 char *path;
6387 TALLOC_CTX *frame = talloc_stackframe();
6388
6389 if (!context || !context->internal ||
6390 !context->internal->_initialized) {
6391 errno = EINVAL;
6392 TALLOC_FREE(frame);
6393 return -1;
6394 }
6395
6396 if (!fname) {
6397 errno = EINVAL;
6398 TALLOC_FREE(frame);
6399 return -1;
6400 }
6401
6402 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
6403
6404 if (smbc_parse_path(frame,
6405 context,
6406 fname,
6407 &workgroup,
6408 &server,
6409 &share,
6410 &path,
6411 &user,
6412 &password,
6413 NULL)) {
6414 errno = EINVAL;
6415 TALLOC_FREE(frame);
6416 return -1;
6417 }
6418
6419 if (!user || user[0] == (char)0) {
6420 user = talloc_strdup(frame, context->user);
6421 if (!user) {
6422 errno = ENOMEM;
6423 TALLOC_FREE(frame);
6424 return -1;
6425 }
6426 }
6427
6428 srv = smbc_server(context, True,
6429 server, share, workgroup, user, password);
6430
6431 if (!srv) {
6432 TALLOC_FREE(frame);
6433 return -1; /* errno set by smbc_server */
6434 }
6435
6436 if (cli_print_queue(srv->cli,
6437 (void (*)(struct print_job_info *))fn) < 0) {
6438 errno = smbc_errno(context, srv->cli);
6439 TALLOC_FREE(frame);
6440 return -1;
6441 }
6442
6443 TALLOC_FREE(frame);
6444 return 0;
6445
6446 }
6447
6448 /*
6449 * Delete a print job from a remote printer share
6450 */
6451
6452 static int
6453 smbc_unlink_print_job_ctx(SMBCCTX *context,
6454 const char *fname,
6455 int id)
6456 {
6457 SMBCSRV *srv;
6458 char *server;
6459 char *share;
6460 char *user;
6461 char *password;
6462 char *workgroup;
6463 char *path;
6464 int err;
6465 TALLOC_CTX *frame = talloc_stackframe();
6466
6467 if (!context || !context->internal ||
6468 !context->internal->_initialized) {
6469 errno = EINVAL;
6470 TALLOC_FREE(frame);
6471 return -1;
6472 }
6473
6474 if (!fname) {
6475 errno = EINVAL;
6476 TALLOC_FREE(frame);
6477 return -1;
6478 }
6479
6480 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
6481
6482 if (smbc_parse_path(frame,
6483 context,
6484 fname,
6485 &workgroup,
6486 &server,
6487 &share,
6488 &path,
6489 &user,
6490 &password,
6491 NULL)) {
6492 errno = EINVAL;
6493 TALLOC_FREE(frame);
6494 return -1;
6495 }
6496
6497 if (!user || user[0] == (char)0) {
6498 user = talloc_strdup(frame, context->user);
6499 if (!user) {
6500 errno = ENOMEM;
6501 TALLOC_FREE(frame);
6502 return -1;
6503 }
6504 }
6505
6506 srv = smbc_server(context, True,
6507 server, share, workgroup, user, password);
6508
6509 if (!srv) {
6510
6511 TALLOC_FREE(frame);
6512 return -1; /* errno set by smbc_server */
6513
6514 }
6515
6516 if ((err = cli_printjob_del(srv->cli, id)) != 0) {
6517
6518 if (err < 0)
6519 errno = smbc_errno(context, srv->cli);
6520 else if (err == ERRnosuchprintjob)
6521 errno = EINVAL;
6522 TALLOC_FREE(frame);
6523 return -1;
6524
6525 }
6526
6527 TALLOC_FREE(frame);
6528 return 0;
6529
6530 }
6531
6532 /*
6533 * Get a new empty handle to fill in with your own info
6534 */
6535 SMBCCTX *
6536 smbc_new_context(void)
6537 {
6538 SMBCCTX *context;
6539
6540 context = SMB_MALLOC_P(SMBCCTX);
6541 if (!context) {
6542 errno = ENOMEM;
6543 return NULL;
6544 }
6545
6546 ZERO_STRUCTP(context);
6547
6548 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
6549 if (!context->internal) {
6550 SAFE_FREE(context);
6551 errno = ENOMEM;
6552 return NULL;
6553 }
6554
6555 ZERO_STRUCTP(context->internal);
6556
6557 /* ADD REASONABLE DEFAULTS */
6558 context->debug = 0;
6559 context->timeout = 20000; /* 20 seconds */
6560
6561 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
6562 context->options.urlencode_readdir_entries = False;/* backward compat */
6563 context->options.one_share_per_server = False;/* backward compat */
6564 context->internal->_share_mode = SMBC_SHAREMODE_DENY_NONE;
6565 /* backward compat */
6566
6567 context->open = smbc_open_ctx;
6568 context->creat = smbc_creat_ctx;
6569 context->read = smbc_read_ctx;
6570 context->write = smbc_write_ctx;
6571 context->close_fn = smbc_close_ctx;
6572 context->unlink = smbc_unlink_ctx;
6573 context->rename = smbc_rename_ctx;
6574 context->lseek = smbc_lseek_ctx;
6575 context->stat = smbc_stat_ctx;
6576 context->fstat = smbc_fstat_ctx;
6577 context->opendir = smbc_opendir_ctx;
6578 context->closedir = smbc_closedir_ctx;
6579 context->readdir = smbc_readdir_ctx;
6580 context->getdents = smbc_getdents_ctx;
6581 context->mkdir = smbc_mkdir_ctx;
6582 context->rmdir = smbc_rmdir_ctx;
6583 context->telldir = smbc_telldir_ctx;
6584 context->lseekdir = smbc_lseekdir_ctx;
6585 context->fstatdir = smbc_fstatdir_ctx;
6586 context->chmod = smbc_chmod_ctx;
6587 context->utimes = smbc_utimes_ctx;
6588 context->setxattr = smbc_setxattr_ctx;
6589 context->getxattr = smbc_getxattr_ctx;
6590 context->removexattr = smbc_removexattr_ctx;
6591 context->listxattr = smbc_listxattr_ctx;
6592 context->open_print_job = smbc_open_print_job_ctx;
6593 context->print_file = smbc_print_file_ctx;
6594 context->list_print_jobs = smbc_list_print_jobs_ctx;
6595 context->unlink_print_job = smbc_unlink_print_job_ctx;
6596
6597 context->callbacks.check_server_fn = smbc_check_server;
6598 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
6599
6600 smbc_default_cache_functions(context);
6601
6602 return context;
6603 }
6604
6605 /*
6606 * Free a context
6607 *
6608 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
6609 * and thus you'll be leaking memory if not handled properly.
6610 *
6611 */
6612 int
6613 smbc_free_context(SMBCCTX *context,
6614 int shutdown_ctx)
6615 {
6616 if (!context) {
6617 errno = EBADF;
6618 return 1;
6619 }
6620
6621 if (shutdown_ctx) {
6622 SMBCFILE * f;
6623 DEBUG(1,("Performing aggressive shutdown.\n"));
6624
6625 f = context->internal->_files;
6626 while (f) {
6627 (context->close_fn)(context, f);
6628 f = f->next;
6629 }
6630 context->internal->_files = NULL;
6631
6632 /* First try to remove the servers the nice way. */
6633 if (context->callbacks.purge_cached_fn(context)) {
6634 SMBCSRV * s;
6635 SMBCSRV * next;
6636 DEBUG(1, ("Could not purge all servers, "
6637 "Nice way shutdown failed.\n"));
6638 s = context->internal->_servers;
6639 while (s) {
6640 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
6641 s, s->cli->fd));
6642 cli_shutdown(s->cli);
6643 (context->callbacks.remove_cached_srv_fn)(context,
6644 s);
6645 next = s->next;
6646 DLIST_REMOVE(context->internal->_servers, s);
6647 SAFE_FREE(s);
6648 s = next;
6649 }
6650 context->internal->_servers = NULL;
6651 }
6652 }
6653 else {
6654 /* This is the polite way */
6655 if ((context->callbacks.purge_cached_fn)(context)) {
6656 DEBUG(1, ("Could not purge all servers, "
6657 "free_context failed.\n"));
6658 errno = EBUSY;
6659 return 1;
6660 }
6661 if (context->internal->_servers) {
6662 DEBUG(1, ("Active servers in context, "
6663 "free_context failed.\n"));
6664 errno = EBUSY;
6665 return 1;
6666 }
6667 if (context->internal->_files) {
6668 DEBUG(1, ("Active files in context, "
6669 "free_context failed.\n"));
6670 errno = EBUSY;
6671 return 1;
6672 }
6673 }
6674
6675 /* Things we have to clean up */
6676 SAFE_FREE(context->workgroup);
6677 SAFE_FREE(context->netbios_name);
6678 SAFE_FREE(context->user);
6679
6680 DEBUG(3, ("Context %p succesfully freed\n", context));
6681 SAFE_FREE(context->internal);
6682 SAFE_FREE(context);
6683 return 0;
6684 }
6685
6686
6687 /*
6688 * Each time the context structure is changed, we have binary backward
6689 * compatibility issues. Instead of modifying the public portions of the
6690 * context structure to add new options, instead, we put them in the internal
6691 * portion of the context structure and provide a set function for these new
6692 * options.
6693 */
6694 void
6695 smbc_option_set(SMBCCTX *context,
6696 char *option_name,
6697 ... /* option_value */)
6698 {
6699 va_list ap;
6700 union {
6701 int i;
6702 bool b;
6703 smbc_get_auth_data_with_context_fn auth_fn;
6704 void *v;
6705 } option_value;
6706
6707 va_start(ap, option_name);
6708
6709 if (strcmp(option_name, "debug_to_stderr") == 0) {
6710 /*
6711 * Log to standard error instead of standard output.
6712 */
6713 option_value.b = (bool) va_arg(ap, int);
6714 context->internal->_debug_stderr = option_value.b;
6715
6716 } else if (strcmp(option_name, "full_time_names") == 0) {
6717 /*
6718 * Use new-style time attribute names, e.g. WRITE_TIME rather
6719 * than the old-style names such as M_TIME. This allows also
6720 * setting/getting CREATE_TIME which was previously
6721 * unimplemented. (Note that the old C_TIME was supposed to
6722 * be CHANGE_TIME but was confused and sometimes referred to
6723 * CREATE_TIME.)
6724 */
6725 option_value.b = (bool) va_arg(ap, int);
6726 context->internal->_full_time_names = option_value.b;
6727
6728 } else if (strcmp(option_name, "open_share_mode") == 0) {
6729 /*
6730 * The share mode to use for files opened with
6731 * smbc_open_ctx(). The default is SMBC_SHAREMODE_DENY_NONE.
6732 */
6733 option_value.i = va_arg(ap, int);
6734 context->internal->_share_mode =
6735 (smbc_share_mode) option_value.i;
6736
6737 } else if (strcmp(option_name, "auth_function") == 0) {
6738 /*
6739 * Use the new-style authentication function which includes
6740 * the context.
6741 */
6742 option_value.auth_fn =
6743 va_arg(ap, smbc_get_auth_data_with_context_fn);
6744 context->internal->_auth_fn_with_context =
6745 option_value.auth_fn;
6746 } else if (strcmp(option_name, "user_data") == 0) {
6747 /*
6748 * Save a user data handle which may be retrieved by the user
6749 * with smbc_option_get()
6750 */
6751 option_value.v = va_arg(ap, void *);
6752 context->internal->_user_data = option_value.v;
6753 }
6754
6755 va_end(ap);
6756 }
6757
6758
6759 /*
6760 * Retrieve the current value of an option
6761 */
6762 void *
6763 smbc_option_get(SMBCCTX *context,
6764 char *option_name)
6765 {
6766 if (strcmp(option_name, "debug_stderr") == 0) {
6767 /*
6768 * Log to standard error instead of standard output.
6769 */
6770 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6771 return (void *) (intptr_t) context->internal->_debug_stderr;
6772 #else
6773 return (void *) context->internal->_debug_stderr;
6774 #endif
6775 } else if (strcmp(option_name, "full_time_names") == 0) {
6776 /*
6777 * Use new-style time attribute names, e.g. WRITE_TIME rather
6778 * than the old-style names such as M_TIME. This allows also
6779 * setting/getting CREATE_TIME which was previously
6780 * unimplemented. (Note that the old C_TIME was supposed to
6781 * be CHANGE_TIME but was confused and sometimes referred to
6782 * CREATE_TIME.)
6783 */
6784 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6785 return (void *) (intptr_t) context->internal->_full_time_names;
6786 #else
6787 return (void *) context->internal->_full_time_names;
6788 #endif
6789
6790 } else if (strcmp(option_name, "auth_function") == 0) {
6791 /*
6792 * Use the new-style authentication function which includes
6793 * the context.
6794 */
6795 return (void *) context->internal->_auth_fn_with_context;
6796 } else if (strcmp(option_name, "user_data") == 0) {
6797 /*
6798 * Save a user data handle which may be retrieved by the user
6799 * with smbc_option_get()
6800 */
6801 return context->internal->_user_data;
6802 }
6803
6804 return NULL;
6805 }
6806
6807
6808 /*
6809 * Initialise the library etc
6810 *
6811 * We accept a struct containing handle information.
6812 * valid values for info->debug from 0 to 100,
6813 * and insist that info->fn must be non-null.
6814 */
6815 SMBCCTX *
6816 smbc_init_context(SMBCCTX *context)
6817 {
6818 int pid;
6819 char *user = NULL;
6820 char *home = NULL;
6821
6822 if (!context || !context->internal) {
6823 errno = EBADF;
6824 return NULL;
6825 }
6826
6827 /* Do not initialise the same client twice */
6828 if (context->internal->_initialized) {
6829 return 0;
6830 }
6831
6832 if ((!context->callbacks.auth_fn &&
6833 !context->internal->_auth_fn_with_context) ||
6834 context->debug < 0 ||
6835 context->debug > 100) {
6836
6837 errno = EINVAL;
6838 return NULL;
6839
6840 }
6841
6842 if (!smbc_initialized) {
6843 /*
6844 * Do some library-wide intializations the first time we get
6845 * called
6846 */
6847 bool conf_loaded = False;
6848 TALLOC_CTX *frame = talloc_stackframe();
6849
6850 /* Set this to what the user wants */
6851 DEBUGLEVEL = context->debug;
6852
6853 load_case_tables();
6854
6855 setup_logging("libsmbclient", True);
6856 if (context->internal->_debug_stderr) {
6857 dbf = x_stderr;
6858 x_setbuf(x_stderr, NULL);
6859 }
6860
6861 /* Here we would open the smb.conf file if needed ... */
6862
6863 in_client = True; /* FIXME, make a param */
6864
6865 home = getenv("HOME");
6866 if (home) {
6867 char *conf = NULL;
6868 if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
6869 if (lp_load(conf, True, False, False, True)) {
6870 conf_loaded = True;
6871 } else {
6872 DEBUG(5, ("Could not load config file: %s\n",
6873 conf));
6874 }
6875 SAFE_FREE(conf);
6876 }
6877 }
6878
6879 if (!conf_loaded) {
6880 /*
6881 * Well, if that failed, try the dyn_CONFIGFILE
6882 * Which points to the standard locn, and if that
6883 * fails, silently ignore it and use the internal
6884 * defaults ...
6885 */
6886
6887 if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6888 DEBUG(5, ("Could not load config file: %s\n",
6889 dyn_CONFIGFILE));
6890 } else if (home) {
6891 char *conf;
6892 /*
6893 * We loaded the global config file. Now lets
6894 * load user-specific modifications to the
6895 * global config.
6896 */
6897 if (asprintf(&conf,
6898 "%s/.smb/smb.conf.append",
6899 home) > 0) {
6900 if (!lp_load(conf, True, False, False, False)) {
6901 DEBUG(10,
6902 ("Could not append config file: "
6903 "%s\n",
6904 conf));
6905 }
6906 SAFE_FREE(conf);
6907 }
6908 }
6909 }
6910
6911 load_interfaces(); /* Load the list of interfaces ... */
6912
6913 reopen_logs(); /* Get logging working ... */
6914
6915 /*
6916 * Block SIGPIPE (from lib/util_sock.c: write())
6917 * It is not needed and should not stop execution
6918 */
6919 BlockSignals(True, SIGPIPE);
6920
6921 /* Done with one-time initialisation */
6922 smbc_initialized = 1;
6923
6924 TALLOC_FREE(frame);
6925 }
6926
6927 if (!context->user) {
6928 /*
6929 * FIXME: Is this the best way to get the user info?
6930 */
6931 user = getenv("USER");
6932 /* walk around as "guest" if no username can be found */
6933 if (!user) context->user = SMB_STRDUP("guest");
6934 else context->user = SMB_STRDUP(user);
6935 }
6936
6937 if (!context->netbios_name) {
6938 /*
6939 * We try to get our netbios name from the config. If that
6940 * fails we fall back on constructing our netbios name from
6941 * our hostname etc
6942 */
6943 if (global_myname()) {
6944 context->netbios_name = SMB_STRDUP(global_myname());
6945 }
6946 else {
6947 /*
6948 * Hmmm, I want to get hostname as well, but I am too
6949 * lazy for the moment
6950 */
6951 pid = sys_getpid();
6952 context->netbios_name = (char *)SMB_MALLOC(17);
6953 if (!context->netbios_name) {
6954 errno = ENOMEM;
6955 return NULL;
6956 }
6957 slprintf(context->netbios_name, 16,
6958 "smbc%s%d", context->user, pid);
6959 }
6960 }
6961
6962 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6963
6964 if (!context->workgroup) {
6965 if (lp_workgroup()) {
6966 context->workgroup = SMB_STRDUP(lp_workgroup());
6967 }
6968 else {
6969 /* TODO: Think about a decent default workgroup */
6970 context->workgroup = SMB_STRDUP("samba");
6971 }
6972 }
6973
6974 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6975
6976 /* shortest timeout is 1 second */
6977 if (context->timeout > 0 && context->timeout < 1000)
6978 context->timeout = 1000;
6979
6980 /*
6981 * FIXME: Should we check the function pointers here?
6982 */
6983
6984 context->internal->_initialized = True;
6985
6986 return context;
6987 }
6988
6989
6990 /* Return the verion of samba, and thus libsmbclient */
6991 const char *
6992 smbc_version(void)
6993 {
6994 return samba_version_string();
6995 }
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