?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
s3-utils/net_rpc_printer.c: print more info on write error
[Samba/gebeck_regimport.git] / source3 / libsmb / libsmb_server.c
bloba2ed5292284581d8e55e6e9535447a56086a3472
1 /*
2 Unix SMB/Netbios implementation.
3 SMB client library implementation
4 Copyright (C) Andrew Tridgell 1998
5 Copyright (C) Richard Sharpe 2000, 2002
6 Copyright (C) John Terpstra 2000
7 Copyright (C) Tom Jansen (Ninja ISD) 2002
8 Copyright (C) Derrell Lipman 2003-2008
9 Copyright (C) Jeremy Allison 2007, 2008
10 Copyright (C) SATOH Fumiyasu <fumiyas@osstech.co.jp> 2009.
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 */
25
26 #include "includes.h"
27 #include "libsmb/libsmb.h"
28 #include "libsmbclient.h"
29 #include "libsmb_internal.h"
30 #include "../librpc/gen_ndr/ndr_lsa.h"
31 #include "rpc_client/cli_pipe.h"
32 #include "rpc_client/cli_lsarpc.h"
33 #include "libcli/security/security.h"
34 #include "libsmb/nmblib.h"
35
36 /*
37 * Check a server for being alive and well.
38 * returns 0 if the server is in shape. Returns 1 on error
39 *
40 * Also useable outside libsmbclient to enable external cache
41 * to do some checks too.
42 */
43 int
44 SMBC_check_server(SMBCCTX * context,
45 SMBCSRV * server)
46 {
47 if (!cli_state_is_connected(server->cli)) {
48 return 1;
49 }
50
51 return 0;
52 }
53
54 /*
55 * Remove a server from the cached server list it's unused.
56 * On success, 0 is returned. 1 is returned if the server could not be removed.
57 *
58 * Also useable outside libsmbclient
59 */
60 int
61 SMBC_remove_unused_server(SMBCCTX * context,
62 SMBCSRV * srv)
63 {
64 SMBCFILE * file;
65
66 /* are we being fooled ? */
67 if (!context || !context->internal->initialized || !srv) {
68 return 1;
69 }
70
71 /* Check all open files/directories for a relation with this server */
72 for (file = context->internal->files; file; file = file->next) {
73 if (file->srv == srv) {
74 /* Still used */
75 DEBUG(3, ("smbc_remove_usused_server: "
76 "%p still used by %p.\n",
77 srv, file));
78 return 1;
79 }
80 }
81
82 DLIST_REMOVE(context->internal->servers, srv);
83
84 cli_shutdown(srv->cli);
85 srv->cli = NULL;
86
87 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
88
89 smbc_getFunctionRemoveCachedServer(context)(context, srv);
90
91 SAFE_FREE(srv);
92 return 0;
93 }
94
95 /****************************************************************
96 * Call the auth_fn with fixed size (fstring) buffers.
97 ***************************************************************/
98 void
99 SMBC_call_auth_fn(TALLOC_CTX *ctx,
100 SMBCCTX *context,
101 const char *server,
102 const char *share,
103 char **pp_workgroup,
104 char **pp_username,
105 char **pp_password)
106 {
107 fstring workgroup;
108 fstring username;
109 fstring password;
110 smbc_get_auth_data_with_context_fn auth_with_context_fn;
111
112 strlcpy(workgroup, *pp_workgroup, sizeof(workgroup));
113 strlcpy(username, *pp_username, sizeof(username));
114 strlcpy(password, *pp_password, sizeof(password));
115
116 /* See if there's an authentication with context function provided */
117 auth_with_context_fn = smbc_getFunctionAuthDataWithContext(context);
118 if (auth_with_context_fn)
119 {
120 (* auth_with_context_fn)(context,
121 server, share,
122 workgroup, sizeof(workgroup),
123 username, sizeof(username),
124 password, sizeof(password));
125 }
126 else
127 {
128 smbc_getFunctionAuthData(context)(server, share,
129 workgroup, sizeof(workgroup),
130 username, sizeof(username),
131 password, sizeof(password));
132 }
133
134 TALLOC_FREE(*pp_workgroup);
135 TALLOC_FREE(*pp_username);
136 TALLOC_FREE(*pp_password);
137
138 *pp_workgroup = talloc_strdup(ctx, workgroup);
139 *pp_username = talloc_strdup(ctx, username);
140 *pp_password = talloc_strdup(ctx, password);
141 }
142
143
144 void
145 SMBC_get_auth_data(const char *server, const char *share,
146 char *workgroup_buf, int workgroup_buf_len,
147 char *username_buf, int username_buf_len,
148 char *password_buf, int password_buf_len)
149 {
150 /* Default function just uses provided data. Nothing to do. */
151 }
152
153
154
155 SMBCSRV *
156 SMBC_find_server(TALLOC_CTX *ctx,
157 SMBCCTX *context,
158 const char *server,
159 const char *share,
160 char **pp_workgroup,
161 char **pp_username,
162 char **pp_password)
163 {
164 SMBCSRV *srv;
165 int auth_called = 0;
166
167 if (!pp_workgroup || !pp_username || !pp_password) {
168 return NULL;
169 }
170
171 check_server_cache:
172
173 srv = smbc_getFunctionGetCachedServer(context)(context,
174 server, share,
175 *pp_workgroup,
176 *pp_username);
177
178 if (!auth_called && !srv && (!*pp_username || !(*pp_username)[0] ||
179 !*pp_password || !(*pp_password)[0])) {
180 SMBC_call_auth_fn(ctx, context, server, share,
181 pp_workgroup, pp_username, pp_password);
182
183 /*
184 * However, smbc_auth_fn may have picked up info relating to
185 * an existing connection, so try for an existing connection
186 * again ...
187 */
188 auth_called = 1;
189 goto check_server_cache;
190
191 }
192
193 if (srv) {
194 if (smbc_getFunctionCheckServer(context)(context, srv)) {
195 /*
196 * This server is no good anymore
197 * Try to remove it and check for more possible
198 * servers in the cache
199 */
200 if (smbc_getFunctionRemoveUnusedServer(context)(context,
201 srv)) {
202 /*
203 * We could not remove the server completely,
204 * remove it from the cache so we will not get
205 * it again. It will be removed when the last
206 * file/dir is closed.
207 */
208 smbc_getFunctionRemoveCachedServer(context)(context,
209 srv);
210 }
211
212 /*
213 * Maybe there are more cached connections to this
214 * server
215 */
216 goto check_server_cache;
217 }
218
219 return srv;
220 }
221
222 return NULL;
223 }
224
225 /*
226 * Connect to a server, possibly on an existing connection
227 *
228 * Here, what we want to do is: If the server and username
229 * match an existing connection, reuse that, otherwise, establish a
230 * new connection.
231 *
232 * If we have to create a new connection, call the auth_fn to get the
233 * info we need, unless the username and password were passed in.
234 */
235
236 static SMBCSRV *
237 SMBC_server_internal(TALLOC_CTX *ctx,
238 SMBCCTX *context,
239 bool connect_if_not_found,
240 const char *server,
241 const char *share,
242 char **pp_workgroup,
243 char **pp_username,
244 char **pp_password,
245 bool *in_cache)
246 {
247 SMBCSRV *srv=NULL;
248 char *workgroup = NULL;
249 struct cli_state *c = NULL;
250 const char *server_n = server;
251 int is_ipc = (share != NULL && strcmp(share, "IPC$") == 0);
252 uint32 fs_attrs = 0;
253 const char *username_used;
254 NTSTATUS status;
255 char *newserver, *newshare;
256
257 ZERO_STRUCT(c);
258 *in_cache = false;
259
260 if (server[0] == 0) {
261 errno = EPERM;
262 return NULL;
263 }
264
265 /* Look for a cached connection */
266 srv = SMBC_find_server(ctx, context, server, share,
267 pp_workgroup, pp_username, pp_password);
268
269 /*
270 * If we found a connection and we're only allowed one share per
271 * server...
272 */
273 if (srv &&
274 *share != '\0' &&
275 smbc_getOptionOneSharePerServer(context)) {
276
277 /*
278 * ... then if there's no current connection to the share,
279 * connect to it. SMBC_find_server(), or rather the function
280 * pointed to by context->get_cached_srv_fn which
281 * was called by SMBC_find_server(), will have issued a tree
282 * disconnect if the requested share is not the same as the
283 * one that was already connected.
284 */
285
286 /*
287 * Use srv->cli->desthost and srv->cli->share instead of
288 * server and share below to connect to the actual share,
289 * i.e., a normal share or a referred share from
290 * 'msdfs proxy' share.
291 */
292 if (!cli_state_has_tcon(srv->cli)) {
293 /* Ensure we have accurate auth info */
294 SMBC_call_auth_fn(ctx, context,
295 cli_state_remote_name(srv->cli),
296 srv->cli->share,
297 pp_workgroup,
298 pp_username,
299 pp_password);
300
301 if (!*pp_workgroup || !*pp_username || !*pp_password) {
302 errno = ENOMEM;
303 cli_shutdown(srv->cli);
304 srv->cli = NULL;
305 smbc_getFunctionRemoveCachedServer(context)(context,
306 srv);
307 return NULL;
308 }
309
310 /*
311 * We don't need to renegotiate encryption
312 * here as the encryption context is not per
313 * tid.
314 */
315
316 status = cli_tcon_andx(srv->cli, srv->cli->share, "?????",
317 *pp_password,
318 strlen(*pp_password)+1);
319 if (!NT_STATUS_IS_OK(status)) {
320 errno = map_errno_from_nt_status(status);
321 cli_shutdown(srv->cli);
322 srv->cli = NULL;
323 smbc_getFunctionRemoveCachedServer(context)(context,
324 srv);
325 srv = NULL;
326 }
327
328 /* Determine if this share supports case sensitivity */
329 if (is_ipc) {
330 DEBUG(4,
331 ("IPC$ so ignore case sensitivity\n"));
332 status = NT_STATUS_OK;
333 } else {
334 status = cli_get_fs_attr_info(c, &fs_attrs);
335 }
336
337 if (!NT_STATUS_IS_OK(status)) {
338 DEBUG(4, ("Could not retrieve "
339 "case sensitivity flag: %s.\n",
340 nt_errstr(status)));
341
342 /*
343 * We can't determine the case sensitivity of
344 * the share. We have no choice but to use the
345 * user-specified case sensitivity setting.
346 */
347 if (smbc_getOptionCaseSensitive(context)) {
348 cli_set_case_sensitive(c, True);
349 } else {
350 cli_set_case_sensitive(c, False);
351 }
352 } else if (!is_ipc) {
353 DEBUG(4,
354 ("Case sensitive: %s\n",
355 (fs_attrs & FILE_CASE_SENSITIVE_SEARCH
356 ? "True"
357 : "False")));
358 cli_set_case_sensitive(
359 c,
360 (fs_attrs & FILE_CASE_SENSITIVE_SEARCH
361 ? True
362 : False));
363 }
364
365 /*
366 * Regenerate the dev value since it's based on both
367 * server and share
368 */
369 if (srv) {
370 const char *remote_name =
371 cli_state_remote_name(srv->cli);
372
373 srv->dev = (dev_t)(str_checksum(remote_name) ^
374 str_checksum(srv->cli->share));
375 }
376 }
377 }
378
379 /* If we have a connection... */
380 if (srv) {
381
382 /* ... then we're done here. Give 'em what they came for. */
383 *in_cache = true;
384 goto done;
385 }
386
387 /* If we're not asked to connect when a connection doesn't exist... */
388 if (! connect_if_not_found) {
389 /* ... then we're done here. */
390 return NULL;
391 }
392
393 if (!*pp_workgroup || !*pp_username || !*pp_password) {
394 errno = ENOMEM;
395 return NULL;
396 }
397
398 DEBUG(4,("SMBC_server: server_n=[%s] server=[%s]\n", server_n, server));
399
400 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
401
402 status = NT_STATUS_UNSUCCESSFUL;
403
404 if (share == NULL || *share == '\0' || is_ipc) {
405 /*
406 * Try 139 first for IPC$
407 */
408 status = cli_connect_nb(server_n, NULL, 139, 0x20,
409 smbc_getNetbiosName(context),
410 Undefined, &c);
411 }
412
413 if (!NT_STATUS_IS_OK(status)) {
414 /*
415 * No IPC$ or 139 did not work
416 */
417 status = cli_connect_nb(server_n, NULL, 0, 0x20,
418 smbc_getNetbiosName(context),
419 Undefined, &c);
420 }
421
422 if (!NT_STATUS_IS_OK(status)) {
423 errno = map_errno_from_nt_status(status);
424 return NULL;
425 }
426
427 if (smbc_getOptionUseKerberos(context)) {
428 c->use_kerberos = True;
429 }
430
431 if (smbc_getOptionFallbackAfterKerberos(context)) {
432 c->fallback_after_kerberos = True;
433 }
434
435 if (smbc_getOptionUseCCache(context)) {
436 c->use_ccache = True;
437 }
438
439 c->timeout = smbc_getTimeout(context);
440
441 status = cli_negprot(c);
442
443 if (!NT_STATUS_IS_OK(status)) {
444 cli_shutdown(c);
445 errno = ETIMEDOUT;
446 return NULL;
447 }
448
449 username_used = *pp_username;
450
451 if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
452 *pp_password,
453 strlen(*pp_password),
454 *pp_password,
455 strlen(*pp_password),
456 *pp_workgroup))) {
457
458 /* Failed. Try an anonymous login, if allowed by flags. */
459 username_used = "";
460
461 if (smbc_getOptionNoAutoAnonymousLogin(context) ||
462 !NT_STATUS_IS_OK(cli_session_setup(c, username_used,
463 *pp_password, 1,
464 *pp_password, 0,
465 *pp_workgroup))) {
466
467 cli_shutdown(c);
468 errno = EPERM;
469 return NULL;
470 }
471 }
472
473 status = cli_init_creds(c, username_used,
474 *pp_workgroup, *pp_password);
475 if (!NT_STATUS_IS_OK(status)) {
476 errno = map_errno_from_nt_status(status);
477 cli_shutdown(c);
478 return NULL;
479 }
480
481 DEBUG(4,(" session setup ok\n"));
482
483 /* here's the fun part....to support 'msdfs proxy' shares
484 (on Samba or windows) we have to issues a TRANS_GET_DFS_REFERRAL
485 here before trying to connect to the original share.
486 cli_check_msdfs_proxy() will fail if it is a normal share. */
487
488 if ((c->capabilities & CAP_DFS) &&
489 cli_check_msdfs_proxy(ctx, c, share,
490 &newserver, &newshare,
491 /* FIXME: cli_check_msdfs_proxy() does
492 not support smbc_smb_encrypt_level type */
493 context->internal->smb_encryption_level ?
494 true : false,
495 *pp_username,
496 *pp_password,
497 *pp_workgroup)) {
498 cli_shutdown(c);
499 srv = SMBC_server_internal(ctx, context, connect_if_not_found,
500 newserver, newshare, pp_workgroup,
501 pp_username, pp_password, in_cache);
502 TALLOC_FREE(newserver);
503 TALLOC_FREE(newshare);
504 return srv;
505 }
506
507 /* must be a normal share */
508
509 status = cli_tcon_andx(c, share, "?????", *pp_password,
510 strlen(*pp_password)+1);
511 if (!NT_STATUS_IS_OK(status)) {
512 errno = map_errno_from_nt_status(status);
513 cli_shutdown(c);
514 return NULL;
515 }
516
517 DEBUG(4,(" tconx ok\n"));
518
519 /* Determine if this share supports case sensitivity */
520 if (is_ipc) {
521 DEBUG(4, ("IPC$ so ignore case sensitivity\n"));
522 status = NT_STATUS_OK;
523 } else {
524 status = cli_get_fs_attr_info(c, &fs_attrs);
525 }
526
527 if (!NT_STATUS_IS_OK(status)) {
528 DEBUG(4, ("Could not retrieve case sensitivity flag: %s.\n",
529 nt_errstr(status)));
530
531 /*
532 * We can't determine the case sensitivity of the share. We
533 * have no choice but to use the user-specified case
534 * sensitivity setting.
535 */
536 if (smbc_getOptionCaseSensitive(context)) {
537 cli_set_case_sensitive(c, True);
538 } else {
539 cli_set_case_sensitive(c, False);
540 }
541 } else if (!is_ipc) {
542 DEBUG(4, ("Case sensitive: %s\n",
543 (fs_attrs & FILE_CASE_SENSITIVE_SEARCH
544 ? "True"
545 : "False")));
546 cli_set_case_sensitive(c,
547 (fs_attrs & FILE_CASE_SENSITIVE_SEARCH
548 ? True
549 : False));
550 }
551
552 if (context->internal->smb_encryption_level) {
553 /* Attempt UNIX smb encryption. */
554 if (!NT_STATUS_IS_OK(cli_force_encryption(c,
555 username_used,
556 *pp_password,
557 *pp_workgroup))) {
558
559 /*
560 * context->smb_encryption_level == 1
561 * means don't fail if encryption can't be negotiated,
562 * == 2 means fail if encryption can't be negotiated.
563 */
564
565 DEBUG(4,(" SMB encrypt failed\n"));
566
567 if (context->internal->smb_encryption_level == 2) {
568 cli_shutdown(c);
569 errno = EPERM;
570 return NULL;
571 }
572 }
573 DEBUG(4,(" SMB encrypt ok\n"));
574 }
575
576 /*
577 * Ok, we have got a nice connection
578 * Let's allocate a server structure.
579 */
580
581 srv = SMB_MALLOC_P(SMBCSRV);
582 if (!srv) {
583 cli_shutdown(c);
584 errno = ENOMEM;
585 return NULL;
586 }
587
588 ZERO_STRUCTP(srv);
589 srv->cli = c;
590 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
591 srv->no_pathinfo = False;
592 srv->no_pathinfo2 = False;
593 srv->no_nt_session = False;
594
595 done:
596 if (!pp_workgroup || !*pp_workgroup || !**pp_workgroup) {
597 workgroup = talloc_strdup(ctx, smbc_getWorkgroup(context));
598 } else {
599 workgroup = *pp_workgroup;
600 }
601 if(!workgroup) {
602 if (c != NULL) {
603 cli_shutdown(c);
604 }
605 SAFE_FREE(srv);
606 return NULL;
607 }
608
609 /* set the credentials to make DFS work */
610 smbc_set_credentials_with_fallback(context,
611 workgroup,
612 *pp_username,
613 *pp_password);
614
615 return srv;
616 }
617
618 SMBCSRV *
619 SMBC_server(TALLOC_CTX *ctx,
620 SMBCCTX *context,
621 bool connect_if_not_found,
622 const char *server,
623 const char *share,
624 char **pp_workgroup,
625 char **pp_username,
626 char **pp_password)
627 {
628 SMBCSRV *srv=NULL;
629 bool in_cache = false;
630
631 srv = SMBC_server_internal(ctx, context, connect_if_not_found,
632 server, share, pp_workgroup,
633 pp_username, pp_password, &in_cache);
634
635 if (!srv) {
636 return NULL;
637 }
638 if (in_cache) {
639 return srv;
640 }
641
642 /* Now add it to the cache (internal or external) */
643 /* Let the cache function set errno if it wants to */
644 errno = 0;
645 if (smbc_getFunctionAddCachedServer(context)(context, srv,
646 server, share,
647 *pp_workgroup,
648 *pp_username)) {
649 int saved_errno = errno;
650 DEBUG(3, (" Failed to add server to cache\n"));
651 errno = saved_errno;
652 if (errno == 0) {
653 errno = ENOMEM;
654 }
655 SAFE_FREE(srv);
656 return NULL;
657 }
658
659 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
660 server, share, srv));
661
662 DLIST_ADD(context->internal->servers, srv);
663 return srv;
664 }
665
666 /*
667 * Connect to a server for getting/setting attributes, possibly on an existing
668 * connection. This works similarly to SMBC_server().
669 */
670 SMBCSRV *
671 SMBC_attr_server(TALLOC_CTX *ctx,
672 SMBCCTX *context,
673 const char *server,
674 const char *share,
675 char **pp_workgroup,
676 char **pp_username,
677 char **pp_password)
678 {
679 int flags;
680 struct cli_state *ipc_cli = NULL;
681 struct rpc_pipe_client *pipe_hnd = NULL;
682 NTSTATUS nt_status;
683 SMBCSRV *srv=NULL;
684 SMBCSRV *ipc_srv=NULL;
685
686 /*
687 * Use srv->cli->desthost and srv->cli->share instead of
688 * server and share below to connect to the actual share,
689 * i.e., a normal share or a referred share from
690 * 'msdfs proxy' share.
691 */
692 srv = SMBC_server(ctx, context, true, server, share,
693 pp_workgroup, pp_username, pp_password);
694 if (!srv) {
695 return NULL;
696 }
697 server = cli_state_remote_name(srv->cli);
698 share = srv->cli->share;
699
700 /*
701 * See if we've already created this special connection. Reference
702 * our "special" share name '*IPC$', which is an impossible real share
703 * name due to the leading asterisk.
704 */
705 ipc_srv = SMBC_find_server(ctx, context, server, "*IPC$",
706 pp_workgroup, pp_username, pp_password);
707 if (!ipc_srv) {
708
709 /* We didn't find a cached connection. Get the password */
710 if (!*pp_password || (*pp_password)[0] == '\0') {
711 /* ... then retrieve it now. */
712 SMBC_call_auth_fn(ctx, context, server, share,
713 pp_workgroup,
714 pp_username,
715 pp_password);
716 if (!*pp_workgroup || !*pp_username || !*pp_password) {
717 errno = ENOMEM;
718 return NULL;
719 }
720 }
721
722 flags = 0;
723 if (smbc_getOptionUseKerberos(context)) {
724 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
725 }
726 if (smbc_getOptionUseCCache(context)) {
727 flags |= CLI_FULL_CONNECTION_USE_CCACHE;
728 }
729
730 nt_status = cli_full_connection(&ipc_cli,
731 lp_netbios_name(), server,
732 NULL, 0, "IPC$", "?????",
733 *pp_username,
734 *pp_workgroup,
735 *pp_password,
736 flags,
737 Undefined);
738 if (! NT_STATUS_IS_OK(nt_status)) {
739 DEBUG(1,("cli_full_connection failed! (%s)\n",
740 nt_errstr(nt_status)));
741 errno = ENOTSUP;
742 return NULL;
743 }
744
745 if (context->internal->smb_encryption_level) {
746 /* Attempt UNIX smb encryption. */
747 if (!NT_STATUS_IS_OK(cli_force_encryption(ipc_cli,
748 *pp_username,
749 *pp_password,
750 *pp_workgroup))) {
751
752 /*
753 * context->smb_encryption_level ==
754 * 1 means don't fail if encryption can't be
755 * negotiated, == 2 means fail if encryption
756 * can't be negotiated.
757 */
758
759 DEBUG(4,(" SMB encrypt failed on IPC$\n"));
760
761 if (context->internal->smb_encryption_level == 2) {
762 cli_shutdown(ipc_cli);
763 errno = EPERM;
764 return NULL;
765 }
766 }
767 DEBUG(4,(" SMB encrypt ok on IPC$\n"));
768 }
769
770 ipc_srv = SMB_MALLOC_P(SMBCSRV);
771 if (!ipc_srv) {
772 errno = ENOMEM;
773 cli_shutdown(ipc_cli);
774 return NULL;
775 }
776
777 ZERO_STRUCTP(ipc_srv);
778 ipc_srv->cli = ipc_cli;
779
780 nt_status = cli_rpc_pipe_open_noauth(
781 ipc_srv->cli, &ndr_table_lsarpc.syntax_id, &pipe_hnd);
782 if (!NT_STATUS_IS_OK(nt_status)) {
783 DEBUG(1, ("cli_nt_session_open fail!\n"));
784 errno = ENOTSUP;
785 cli_shutdown(ipc_srv->cli);
786 free(ipc_srv);
787 return NULL;
788 }
789
790 /*
791 * Some systems don't support
792 * SEC_FLAG_MAXIMUM_ALLOWED, but NT sends 0x2000000
793 * so we might as well do it too.
794 */
795
796 nt_status = rpccli_lsa_open_policy(
797 pipe_hnd,
798 talloc_tos(),
799 True,
800 GENERIC_EXECUTE_ACCESS,
801 &ipc_srv->pol);
802
803 if (!NT_STATUS_IS_OK(nt_status)) {
804 errno = SMBC_errno(context, ipc_srv->cli);
805 cli_shutdown(ipc_srv->cli);
806 return NULL;
807 }
808
809 /* now add it to the cache (internal or external) */
810
811 errno = 0; /* let cache function set errno if it likes */
812 if (smbc_getFunctionAddCachedServer(context)(context, ipc_srv,
813 server,
814 "*IPC$",
815 *pp_workgroup,
816 *pp_username)) {
817 DEBUG(3, (" Failed to add server to cache\n"));
818 if (errno == 0) {
819 errno = ENOMEM;
820 }
821 cli_shutdown(ipc_srv->cli);
822 free(ipc_srv);
823 return NULL;
824 }
825
826 DLIST_ADD(context->internal->servers, ipc_srv);
827 }
828
829 return ipc_srv;
830 }
reg import