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s3-rpc_server: run minimal_includes.pl.
[Samba.git] / source3 / rpc_server / netlogon / srv_netlog_nt.c
blobaa424e052a9a256738890cbf1f3183814eddc060
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1997,
5 * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
6 * Copyright (C) Paul Ashton 1997.
7 * Copyright (C) Jeremy Allison 1998-2001.
8 * Copyright (C) Andrew Bartlett 2001.
9 * Copyright (C) Guenther Deschner 2008-2009.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, see <http://www.gnu.org/licenses/>.
23 */
24
25 /* This is the implementation of the netlogon pipe. */
26
27 #include "includes.h"
28 #include "ntdomain.h"
29 #include "../libcli/auth/schannel.h"
30 #include "../librpc/gen_ndr/srv_netlogon.h"
31 #include "../librpc/gen_ndr/ndr_samr_c.h"
32 #include "../librpc/gen_ndr/ndr_lsa_c.h"
33 #include "rpc_client/cli_lsarpc.h"
34 #include "../lib/crypto/md4.h"
35 #include "rpc_client/init_lsa.h"
36 #include "rpc_server/rpc_ncacn_np.h"
37 #include "../libcli/security/security.h"
38 #include "../libcli/security/dom_sid.h"
39 #include "librpc/gen_ndr/ndr_drsblobs.h"
40 #include "lib/crypto/arcfour.h"
41 #include "lib/crypto/md4.h"
42 #include "nsswitch/libwbclient/wbclient.h"
43 #include "../libcli/registry/util_reg.h"
44 #include "passdb.h"
45 #include "auth.h"
46 #include "messages.h"
47
48 extern userdom_struct current_user_info;
49
50 #undef DBGC_CLASS
51 #define DBGC_CLASS DBGC_RPC_SRV
52
53 struct netlogon_server_pipe_state {
54 struct netr_Credential client_challenge;
55 struct netr_Credential server_challenge;
56 };
57
58 /*************************************************************************
59 _netr_LogonControl
60 *************************************************************************/
61
62 WERROR _netr_LogonControl(struct pipes_struct *p,
63 struct netr_LogonControl *r)
64 {
65 struct netr_LogonControl2Ex l;
66
67 switch (r->in.level) {
68 case 1:
69 break;
70 case 2:
71 return WERR_NOT_SUPPORTED;
72 default:
73 return WERR_UNKNOWN_LEVEL;
74 }
75
76 l.in.logon_server = r->in.logon_server;
77 l.in.function_code = r->in.function_code;
78 l.in.level = r->in.level;
79 l.in.data = NULL;
80 l.out.query = r->out.query;
81
82 return _netr_LogonControl2Ex(p, &l);
83 }
84
85 /****************************************************************************
86 Send a message to smbd to do a sam synchronisation
87 **************************************************************************/
88
89 static void send_sync_message(struct messaging_context *msg_ctx)
90 {
91 DEBUG(3, ("sending sam synchronisation message\n"));
92 message_send_all(msg_ctx, MSG_SMB_SAM_SYNC, NULL, 0, NULL);
93 }
94
95 /*************************************************************************
96 _netr_LogonControl2
97 *************************************************************************/
98
99 WERROR _netr_LogonControl2(struct pipes_struct *p,
100 struct netr_LogonControl2 *r)
101 {
102 struct netr_LogonControl2Ex l;
103
104 l.in.logon_server = r->in.logon_server;
105 l.in.function_code = r->in.function_code;
106 l.in.level = r->in.level;
107 l.in.data = r->in.data;
108 l.out.query = r->out.query;
109
110 return _netr_LogonControl2Ex(p, &l);
111 }
112
113 /*************************************************************************
114 *************************************************************************/
115
116 static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
117 {
118 wbcErr result;
119 struct wbcAuthErrorInfo *error = NULL;
120
121 result = wbcChangeTrustCredentials(domain, &error);
122 switch (result) {
123 case WBC_ERR_WINBIND_NOT_AVAILABLE:
124 return false;
125 case WBC_ERR_DOMAIN_NOT_FOUND:
126 *tc_status = WERR_NO_SUCH_DOMAIN;
127 return true;
128 case WBC_ERR_SUCCESS:
129 *tc_status = WERR_OK;
130 return true;
131 default:
132 break;
133 }
134
135 if (error && error->nt_status != 0) {
136 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
137 } else {
138 *tc_status = WERR_TRUST_FAILURE;
139 }
140 wbcFreeMemory(error);
141 return true;
142 }
143
144 /*************************************************************************
145 *************************************************************************/
146
147 static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
148 {
149 wbcErr result;
150 struct wbcAuthErrorInfo *error = NULL;
151
152 result = wbcCheckTrustCredentials(domain, &error);
153 switch (result) {
154 case WBC_ERR_WINBIND_NOT_AVAILABLE:
155 return false;
156 case WBC_ERR_DOMAIN_NOT_FOUND:
157 *tc_status = WERR_NO_SUCH_DOMAIN;
158 return true;
159 case WBC_ERR_SUCCESS:
160 *tc_status = WERR_OK;
161 return true;
162 default:
163 break;
164 }
165
166 if (error && error->nt_status != 0) {
167 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
168 } else {
169 *tc_status = WERR_TRUST_FAILURE;
170 }
171 wbcFreeMemory(error);
172 return true;
173 }
174
175 /****************************************************************
176 _netr_LogonControl2Ex
177 ****************************************************************/
178
179 WERROR _netr_LogonControl2Ex(struct pipes_struct *p,
180 struct netr_LogonControl2Ex *r)
181 {
182 uint32_t flags = 0x0;
183 WERROR pdc_connection_status = WERR_OK;
184 uint32_t logon_attempts = 0x0;
185 WERROR tc_status;
186 fstring dc_name2;
187 const char *dc_name = NULL;
188 struct sockaddr_storage dc_ss;
189 const char *domain = NULL;
190 struct netr_NETLOGON_INFO_1 *info1;
191 struct netr_NETLOGON_INFO_2 *info2;
192 struct netr_NETLOGON_INFO_3 *info3;
193 struct netr_NETLOGON_INFO_4 *info4;
194 const char *fn;
195 uint32_t acct_ctrl;
196
197 switch (p->opnum) {
198 case NDR_NETR_LOGONCONTROL:
199 fn = "_netr_LogonControl";
200 break;
201 case NDR_NETR_LOGONCONTROL2:
202 fn = "_netr_LogonControl2";
203 break;
204 case NDR_NETR_LOGONCONTROL2EX:
205 fn = "_netr_LogonControl2Ex";
206 break;
207 default:
208 return WERR_INVALID_PARAM;
209 }
210
211 acct_ctrl = p->session_info->info3->base.acct_flags;
212
213 switch (r->in.function_code) {
214 case NETLOGON_CONTROL_TC_VERIFY:
215 case NETLOGON_CONTROL_CHANGE_PASSWORD:
216 case NETLOGON_CONTROL_REDISCOVER:
217 if ((geteuid() != sec_initial_uid()) &&
218 !nt_token_check_domain_rid(p->session_info->security_token, DOMAIN_RID_ADMINS) &&
219 !nt_token_check_sid(&global_sid_Builtin_Administrators, p->session_info->security_token) &&
220 !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
221 return WERR_ACCESS_DENIED;
222 }
223 break;
224 default:
225 break;
226 }
227
228 tc_status = WERR_NO_SUCH_DOMAIN;
229
230 switch (r->in.function_code) {
231 case NETLOGON_CONTROL_QUERY:
232 tc_status = WERR_OK;
233 break;
234 case NETLOGON_CONTROL_REPLICATE:
235 case NETLOGON_CONTROL_SYNCHRONIZE:
236 case NETLOGON_CONTROL_PDC_REPLICATE:
237 case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
238 case NETLOGON_CONTROL_BREAKPOINT:
239 if (acct_ctrl & ACB_NORMAL) {
240 return WERR_NOT_SUPPORTED;
241 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
242 return WERR_ACCESS_DENIED;
243 } else {
244 return WERR_ACCESS_DENIED;
245 }
246 case NETLOGON_CONTROL_TRUNCATE_LOG:
247 if (acct_ctrl & ACB_NORMAL) {
248 break;
249 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
250 return WERR_ACCESS_DENIED;
251 } else {
252 return WERR_ACCESS_DENIED;
253 }
254
255 case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
256 case NETLOGON_CONTROL_FORCE_DNS_REG:
257 case NETLOGON_CONTROL_QUERY_DNS_REG:
258 return WERR_NOT_SUPPORTED;
259 case NETLOGON_CONTROL_FIND_USER:
260 if (!r->in.data || !r->in.data->user) {
261 return WERR_NOT_SUPPORTED;
262 }
263 break;
264 case NETLOGON_CONTROL_SET_DBFLAG:
265 if (!r->in.data) {
266 return WERR_NOT_SUPPORTED;
267 }
268 break;
269 case NETLOGON_CONTROL_TC_VERIFY:
270 if (!r->in.data || !r->in.data->domain) {
271 return WERR_NOT_SUPPORTED;
272 }
273
274 if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
275 return WERR_NOT_SUPPORTED;
276 }
277 break;
278 case NETLOGON_CONTROL_TC_QUERY:
279 if (!r->in.data || !r->in.data->domain) {
280 return WERR_NOT_SUPPORTED;
281 }
282
283 domain = r->in.data->domain;
284
285 if (!is_trusted_domain(domain)) {
286 break;
287 }
288
289 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
290 tc_status = WERR_NO_LOGON_SERVERS;
291 break;
292 }
293
294 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
295 if (!dc_name) {
296 return WERR_NOMEM;
297 }
298
299 tc_status = WERR_OK;
300
301 break;
302
303 case NETLOGON_CONTROL_REDISCOVER:
304 if (!r->in.data || !r->in.data->domain) {
305 return WERR_NOT_SUPPORTED;
306 }
307
308 domain = r->in.data->domain;
309
310 if (!is_trusted_domain(domain)) {
311 break;
312 }
313
314 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
315 tc_status = WERR_NO_LOGON_SERVERS;
316 break;
317 }
318
319 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
320 if (!dc_name) {
321 return WERR_NOMEM;
322 }
323
324 tc_status = WERR_OK;
325
326 break;
327
328 case NETLOGON_CONTROL_CHANGE_PASSWORD:
329 if (!r->in.data || !r->in.data->domain) {
330 return WERR_NOT_SUPPORTED;
331 }
332
333 if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
334 return WERR_NOT_SUPPORTED;
335 }
336 break;
337
338 default:
339 /* no idea what this should be */
340 DEBUG(0,("%s: unimplemented function level [%d]\n",
341 fn, r->in.function_code));
342 return WERR_UNKNOWN_LEVEL;
343 }
344
345 /* prepare the response */
346
347 switch (r->in.level) {
348 case 1:
349 info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
350 W_ERROR_HAVE_NO_MEMORY(info1);
351
352 info1->flags = flags;
353 info1->pdc_connection_status = pdc_connection_status;
354
355 r->out.query->info1 = info1;
356 break;
357 case 2:
358 info2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_2);
359 W_ERROR_HAVE_NO_MEMORY(info2);
360
361 info2->flags = flags;
362 info2->pdc_connection_status = pdc_connection_status;
363 info2->trusted_dc_name = dc_name;
364 info2->tc_connection_status = tc_status;
365
366 r->out.query->info2 = info2;
367 break;
368 case 3:
369 info3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_3);
370 W_ERROR_HAVE_NO_MEMORY(info3);
371
372 info3->flags = flags;
373 info3->logon_attempts = logon_attempts;
374
375 r->out.query->info3 = info3;
376 break;
377 case 4:
378 info4 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_4);
379 W_ERROR_HAVE_NO_MEMORY(info4);
380
381 info4->trusted_dc_name = dc_name;
382 info4->trusted_domain_name = r->in.data->domain;
383
384 r->out.query->info4 = info4;
385 break;
386 default:
387 return WERR_UNKNOWN_LEVEL;
388 }
389
390 if (lp_server_role() == ROLE_DOMAIN_BDC) {
391 send_sync_message(p->msg_ctx);
392 }
393
394 return WERR_OK;
395 }
396
397 /*************************************************************************
398 _netr_NetrEnumerateTrustedDomains
399 *************************************************************************/
400
401 NTSTATUS _netr_NetrEnumerateTrustedDomains(struct pipes_struct *p,
402 struct netr_NetrEnumerateTrustedDomains *r)
403 {
404 NTSTATUS status;
405 NTSTATUS result = NT_STATUS_OK;
406 DATA_BLOB blob;
407 int num_domains = 0;
408 const char **trusted_domains = NULL;
409 struct lsa_DomainList domain_list;
410 struct dcerpc_binding_handle *h = NULL;
411 struct policy_handle pol;
412 uint32_t enum_ctx = 0;
413 int i;
414 uint32_t max_size = (uint32_t)-1;
415
416 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
417
418 status = rpcint_binding_handle(p->mem_ctx,
419 &ndr_table_lsarpc,
420 p->client_id,
421 p->session_info,
422 p->msg_ctx,
423 &h);
424 if (!NT_STATUS_IS_OK(status)) {
425 return status;
426 }
427
428 status = dcerpc_lsa_open_policy2(h,
429 p->mem_ctx,
430 NULL,
431 true,
432 LSA_POLICY_VIEW_LOCAL_INFORMATION,
433 &pol,
434 &result);
435 if (!NT_STATUS_IS_OK(status)) {
436 goto out;
437 }
438 if (!NT_STATUS_IS_OK(result)) {
439 status = result;
440 goto out;
441 }
442
443 do {
444 /* Lookup list of trusted domains */
445 status = dcerpc_lsa_EnumTrustDom(h,
446 p->mem_ctx,
447 &pol,
448 &enum_ctx,
449 &domain_list,
450 max_size,
451 &result);
452 if (!NT_STATUS_IS_OK(status)) {
453 goto out;
454 }
455 if (!NT_STATUS_IS_OK(result) &&
456 !NT_STATUS_EQUAL(result, NT_STATUS_NO_MORE_ENTRIES) &&
457 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
458 status = result;
459 goto out;
460 }
461
462 for (i = 0; i < domain_list.count; i++) {
463 if (!add_string_to_array(p->mem_ctx, domain_list.domains[i].name.string,
464 &trusted_domains, &num_domains)) {
465 status = NT_STATUS_NO_MEMORY;
466 goto out;
467 }
468 }
469 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
470
471 if (num_domains > 0) {
472 /* multi sz terminate */
473 trusted_domains = talloc_realloc(p->mem_ctx, trusted_domains, const char *, num_domains + 1);
474 if (trusted_domains == NULL) {
475 status = NT_STATUS_NO_MEMORY;
476 goto out;
477 }
478
479 trusted_domains[num_domains] = NULL;
480 }
481
482 if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
483 TALLOC_FREE(trusted_domains);
484 status = NT_STATUS_NO_MEMORY;
485 goto out;
486 }
487
488 r->out.trusted_domains_blob->data = blob.data;
489 r->out.trusted_domains_blob->length = blob.length;
490
491 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
492
493 status = NT_STATUS_OK;
494
495 out:
496 if (h && is_valid_policy_hnd(&pol)) {
497 dcerpc_lsa_Close(h, p->mem_ctx, &pol, &result);
498 }
499
500 return status;
501 }
502
503 /*************************************************************************
504 *************************************************************************/
505
506 static NTSTATUS samr_find_machine_account(TALLOC_CTX *mem_ctx,
507 struct dcerpc_binding_handle *b,
508 const char *account_name,
509 uint32_t access_mask,
510 struct dom_sid2 **domain_sid_p,
511 uint32_t *user_rid_p,
512 struct policy_handle *user_handle)
513 {
514 NTSTATUS status;
515 NTSTATUS result = NT_STATUS_OK;
516 struct policy_handle connect_handle, domain_handle;
517 struct lsa_String domain_name;
518 struct dom_sid2 *domain_sid;
519 struct lsa_String names;
520 struct samr_Ids rids;
521 struct samr_Ids types;
522 uint32_t rid;
523
524 status = dcerpc_samr_Connect2(b, mem_ctx,
525 global_myname(),
526 SAMR_ACCESS_CONNECT_TO_SERVER |
527 SAMR_ACCESS_ENUM_DOMAINS |
528 SAMR_ACCESS_LOOKUP_DOMAIN,
529 &connect_handle,
530 &result);
531 if (!NT_STATUS_IS_OK(status)) {
532 goto out;
533 }
534 if (!NT_STATUS_IS_OK(result)) {
535 status = result;
536 goto out;
537 }
538
539 init_lsa_String(&domain_name, get_global_sam_name());
540
541 status = dcerpc_samr_LookupDomain(b, mem_ctx,
542 &connect_handle,
543 &domain_name,
544 &domain_sid,
545 &result);
546 if (!NT_STATUS_IS_OK(status)) {
547 goto out;
548 }
549 if (!NT_STATUS_IS_OK(result)) {
550 status = result;
551 goto out;
552 }
553
554 status = dcerpc_samr_OpenDomain(b, mem_ctx,
555 &connect_handle,
556 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
557 domain_sid,
558 &domain_handle,
559 &result);
560 if (!NT_STATUS_IS_OK(status)) {
561 goto out;
562 }
563 if (!NT_STATUS_IS_OK(result)) {
564 status = result;
565 goto out;
566 }
567
568 init_lsa_String(&names, account_name);
569
570 status = dcerpc_samr_LookupNames(b, mem_ctx,
571 &domain_handle,
572 1,
573 &names,
574 &rids,
575 &types,
576 &result);
577 if (!NT_STATUS_IS_OK(status)) {
578 goto out;
579 }
580 if (!NT_STATUS_IS_OK(result)) {
581 status = result;
582 goto out;
583 }
584
585 if (rids.count != 1) {
586 status = NT_STATUS_NO_SUCH_USER;
587 goto out;
588 }
589 if (rids.count != types.count) {
590 status = NT_STATUS_INVALID_PARAMETER;
591 goto out;
592 }
593 if (types.ids[0] != SID_NAME_USER) {
594 status = NT_STATUS_NO_SUCH_USER;
595 goto out;
596 }
597
598 rid = rids.ids[0];
599
600 status = dcerpc_samr_OpenUser(b, mem_ctx,
601 &domain_handle,
602 access_mask,
603 rid,
604 user_handle,
605 &result);
606 if (!NT_STATUS_IS_OK(status)) {
607 goto out;
608 }
609 if (!NT_STATUS_IS_OK(result)) {
610 status = result;
611 goto out;
612 }
613
614 if (user_rid_p) {
615 *user_rid_p = rid;
616 }
617
618 if (domain_sid_p) {
619 *domain_sid_p = domain_sid;
620 }
621
622 out:
623 if (b && is_valid_policy_hnd(&domain_handle)) {
624 dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
625 }
626 if (b && is_valid_policy_hnd(&connect_handle)) {
627 dcerpc_samr_Close(b, mem_ctx, &connect_handle, &result);
628 }
629
630 return status;
631 }
632
633 /******************************************************************
634 gets a machine password entry. checks access rights of the host.
635 ******************************************************************/
636
637 static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
638 enum netr_SchannelType sec_chan_type,
639 struct dom_sid *sid,
640 struct messaging_context *msg_ctx)
641 {
642 NTSTATUS status;
643 NTSTATUS result = NT_STATUS_OK;
644 TALLOC_CTX *mem_ctx;
645 struct dcerpc_binding_handle *h = NULL;
646 static struct client_address client_id;
647 struct policy_handle user_handle;
648 uint32_t user_rid;
649 struct dom_sid *domain_sid;
650 uint32_t acct_ctrl;
651 union samr_UserInfo *info;
652 struct auth_serversupplied_info *session_info;
653 #if 0
654
655 /*
656 * Currently this code is redundent as we already have a filter
657 * by hostname list. What this code really needs to do is to
658 * get a hosts allowed/hosts denied list from the SAM database
659 * on a per user basis, and make the access decision there.
660 * I will leave this code here for now as a reminder to implement
661 * this at a later date. JRA.
662 */
663
664 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
665 p->client_id.name,
666 p->client_id.addr)) {
667 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
668 return False;
669 }
670 #endif /* 0 */
671
672 mem_ctx = talloc_stackframe();
673 if (mem_ctx == NULL) {
674 status = NT_STATUS_NO_MEMORY;
675 goto out;
676 }
677
678 status = make_session_info_system(mem_ctx, &session_info);
679 if (!NT_STATUS_IS_OK(status)) {
680 goto out;
681 }
682
683 ZERO_STRUCT(user_handle);
684
685 strlcpy(client_id.addr, "127.0.0.1", sizeof(client_id.addr));
686 client_id.name = "127.0.0.1";
687
688 status = rpcint_binding_handle(mem_ctx,
689 &ndr_table_samr,
690 &client_id,
691 session_info,
692 msg_ctx,
693 &h);
694 if (!NT_STATUS_IS_OK(status)) {
695 goto out;
696 }
697
698 become_root();
699 status = samr_find_machine_account(mem_ctx, h, mach_acct,
700 SEC_FLAG_MAXIMUM_ALLOWED,
701 &domain_sid, &user_rid,
702 &user_handle);
703 unbecome_root();
704 if (!NT_STATUS_IS_OK(status)) {
705 goto out;
706 }
707
708 status = dcerpc_samr_QueryUserInfo2(h,
709 mem_ctx,
710 &user_handle,
711 UserControlInformation,
712 &info,
713 &result);
714 if (!NT_STATUS_IS_OK(status)) {
715 goto out;
716 }
717 if (!NT_STATUS_IS_OK(result)) {
718 status = result;
719 goto out;
720 }
721
722 acct_ctrl = info->info16.acct_flags;
723
724 if (acct_ctrl & ACB_DISABLED) {
725 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
726 status = NT_STATUS_ACCOUNT_DISABLED;
727 goto out;
728 }
729
730 if (!(acct_ctrl & ACB_SVRTRUST) &&
731 !(acct_ctrl & ACB_WSTRUST) &&
732 !(acct_ctrl & ACB_DOMTRUST))
733 {
734 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
735 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
736 goto out;
737 }
738
739 switch (sec_chan_type) {
740 case SEC_CHAN_BDC:
741 if (!(acct_ctrl & ACB_SVRTRUST)) {
742 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
743 "but not a server trust account\n", mach_acct));
744 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
745 goto out;
746 }
747 break;
748 case SEC_CHAN_WKSTA:
749 if (!(acct_ctrl & ACB_WSTRUST)) {
750 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
751 "but not a workstation trust account\n", mach_acct));
752 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
753 goto out;
754 }
755 break;
756 case SEC_CHAN_DOMAIN:
757 if (!(acct_ctrl & ACB_DOMTRUST)) {
758 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
759 "but not a interdomain trust account\n", mach_acct));
760 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
761 goto out;
762 }
763 break;
764 default:
765 break;
766 }
767
768 become_root();
769 status = dcerpc_samr_QueryUserInfo2(h,
770 mem_ctx,
771 &user_handle,
772 UserInternal1Information,
773 &info,
774 &result);
775 unbecome_root();
776 if (!NT_STATUS_IS_OK(status)) {
777 goto out;
778 }
779 if (!NT_STATUS_IS_OK(result)) {
780 status = result;
781 goto out;
782 }
783
784 if (info->info18.nt_pwd_active == 0) {
785 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
786 status = NT_STATUS_LOGON_FAILURE;
787 goto out;
788 }
789
790 /* samr gives out nthash unencrypted (!) */
791 memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
792
793 sid_compose(sid, domain_sid, user_rid);
794
795 out:
796 if (h && is_valid_policy_hnd(&user_handle)) {
797 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
798 }
799
800 talloc_free(mem_ctx);
801
802 return status;
803 }
804
805 /*************************************************************************
806 _netr_ServerReqChallenge
807 *************************************************************************/
808
809 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
810 struct netr_ServerReqChallenge *r)
811 {
812 struct netlogon_server_pipe_state *pipe_state =
813 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
814
815 if (pipe_state) {
816 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
817 talloc_free(pipe_state);
818 p->private_data = NULL;
819 }
820
821 pipe_state = talloc(p, struct netlogon_server_pipe_state);
822 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
823
824 pipe_state->client_challenge = *r->in.credentials;
825
826 generate_random_buffer(pipe_state->server_challenge.data,
827 sizeof(pipe_state->server_challenge.data));
828
829 *r->out.return_credentials = pipe_state->server_challenge;
830
831 p->private_data = pipe_state;
832
833 return NT_STATUS_OK;
834 }
835
836 /*************************************************************************
837 _netr_ServerAuthenticate
838 Create the initial credentials.
839 *************************************************************************/
840
841 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
842 struct netr_ServerAuthenticate *r)
843 {
844 struct netr_ServerAuthenticate3 a;
845 uint32_t negotiate_flags = 0;
846 uint32_t rid;
847
848 a.in.server_name = r->in.server_name;
849 a.in.account_name = r->in.account_name;
850 a.in.secure_channel_type = r->in.secure_channel_type;
851 a.in.computer_name = r->in.computer_name;
852 a.in.credentials = r->in.credentials;
853 a.in.negotiate_flags = &negotiate_flags;
854
855 a.out.return_credentials = r->out.return_credentials;
856 a.out.rid = &rid;
857 a.out.negotiate_flags = &negotiate_flags;
858
859 return _netr_ServerAuthenticate3(p, &a);
860
861 }
862
863 /*************************************************************************
864 _netr_ServerAuthenticate3
865 *************************************************************************/
866
867 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
868 struct netr_ServerAuthenticate3 *r)
869 {
870 NTSTATUS status;
871 uint32_t srv_flgs;
872 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
873 * so use a copy to avoid destroying the client values. */
874 uint32_t in_neg_flags = *r->in.negotiate_flags;
875 const char *fn;
876 struct dom_sid sid;
877 struct samr_Password mach_pwd;
878 struct netlogon_creds_CredentialState *creds;
879 struct netlogon_server_pipe_state *pipe_state =
880 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
881
882 /* According to Microsoft (see bugid #6099)
883 * Windows 7 looks at the negotiate_flags
884 * returned in this structure *even if the
885 * call fails with access denied* ! So in order
886 * to allow Win7 to connect to a Samba NT style
887 * PDC we set the flags before we know if it's
888 * an error or not.
889 */
890
891 /* 0x000001ff */
892 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
893 NETLOGON_NEG_PERSISTENT_SAMREPL |
894 NETLOGON_NEG_ARCFOUR |
895 NETLOGON_NEG_PROMOTION_COUNT |
896 NETLOGON_NEG_CHANGELOG_BDC |
897 NETLOGON_NEG_FULL_SYNC_REPL |
898 NETLOGON_NEG_MULTIPLE_SIDS |
899 NETLOGON_NEG_REDO |
900 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
901 NETLOGON_NEG_PASSWORD_SET2;
902
903 /* Ensure we support strong (128-bit) keys. */
904 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
905 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
906 }
907
908 if (lp_server_schannel() != false) {
909 srv_flgs |= NETLOGON_NEG_SCHANNEL;
910 }
911
912 switch (p->opnum) {
913 case NDR_NETR_SERVERAUTHENTICATE:
914 fn = "_netr_ServerAuthenticate";
915 break;
916 case NDR_NETR_SERVERAUTHENTICATE2:
917 fn = "_netr_ServerAuthenticate2";
918 break;
919 case NDR_NETR_SERVERAUTHENTICATE3:
920 fn = "_netr_ServerAuthenticate3";
921 break;
922 default:
923 return NT_STATUS_INTERNAL_ERROR;
924 }
925
926 /* We use this as the key to store the creds: */
927 /* r->in.computer_name */
928
929 if (!pipe_state) {
930 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
931 r->in.computer_name));
932 status = NT_STATUS_ACCESS_DENIED;
933 goto out;
934 }
935
936 if ( (lp_server_schannel() == true) &&
937 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
938
939 /* schannel must be used, but client did not offer it. */
940 DEBUG(0,("%s: schannel required but client failed "
941 "to offer it. Client was %s\n",
942 fn, r->in.account_name));
943 status = NT_STATUS_ACCESS_DENIED;
944 goto out;
945 }
946
947 status = get_md4pw(&mach_pwd,
948 r->in.account_name,
949 r->in.secure_channel_type,
950 &sid, p->msg_ctx);
951 if (!NT_STATUS_IS_OK(status)) {
952 DEBUG(0,("%s: failed to get machine password for "
953 "account %s: %s\n",
954 fn, r->in.account_name, nt_errstr(status) ));
955 /* always return NT_STATUS_ACCESS_DENIED */
956 status = NT_STATUS_ACCESS_DENIED;
957 goto out;
958 }
959
960 /* From the client / server challenges and md4 password, generate sess key */
961 /* Check client credentials are valid. */
962 creds = netlogon_creds_server_init(p->mem_ctx,
963 r->in.account_name,
964 r->in.computer_name,
965 r->in.secure_channel_type,
966 &pipe_state->client_challenge,
967 &pipe_state->server_challenge,
968 &mach_pwd,
969 r->in.credentials,
970 r->out.return_credentials,
971 *r->in.negotiate_flags);
972 if (!creds) {
973 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
974 "request from client %s machine account %s\n",
975 fn, r->in.computer_name,
976 r->in.account_name));
977 status = NT_STATUS_ACCESS_DENIED;
978 goto out;
979 }
980
981 creds->sid = dom_sid_dup(creds, &sid);
982 if (!creds->sid) {
983 status = NT_STATUS_NO_MEMORY;
984 goto out;
985 }
986
987 /* Store off the state so we can continue after client disconnect. */
988 become_root();
989 status = schannel_save_creds_state(p->mem_ctx, lp_private_dir(), creds);
990 unbecome_root();
991
992 if (!NT_STATUS_IS_OK(status)) {
993 goto out;
994 }
995
996 sid_peek_rid(&sid, r->out.rid);
997
998 status = NT_STATUS_OK;
999
1000 out:
1001
1002 *r->out.negotiate_flags = srv_flgs;
1003 return status;
1004 }
1005
1006 /*************************************************************************
1007 _netr_ServerAuthenticate2
1008 *************************************************************************/
1009
1010 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1011 struct netr_ServerAuthenticate2 *r)
1012 {
1013 struct netr_ServerAuthenticate3 a;
1014 uint32_t rid;
1015
1016 a.in.server_name = r->in.server_name;
1017 a.in.account_name = r->in.account_name;
1018 a.in.secure_channel_type = r->in.secure_channel_type;
1019 a.in.computer_name = r->in.computer_name;
1020 a.in.credentials = r->in.credentials;
1021 a.in.negotiate_flags = r->in.negotiate_flags;
1022
1023 a.out.return_credentials = r->out.return_credentials;
1024 a.out.rid = &rid;
1025 a.out.negotiate_flags = r->out.negotiate_flags;
1026
1027 return _netr_ServerAuthenticate3(p, &a);
1028 }
1029
1030 /*************************************************************************
1031 * If schannel is required for this call test that it actually is available.
1032 *************************************************************************/
1033 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
1034 const char *computer_name,
1035 bool integrity, bool privacy)
1036 {
1037 if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1038 if (!privacy && !integrity) {
1039 return NT_STATUS_OK;
1040 }
1041
1042 if ((!privacy && integrity) &&
1043 auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
1044 return NT_STATUS_OK;
1045 }
1046
1047 if ((privacy || integrity) &&
1048 auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
1049 return NT_STATUS_OK;
1050 }
1051 }
1052
1053 /* test didn't pass */
1054 DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
1055 computer_name));
1056
1057 return NT_STATUS_ACCESS_DENIED;
1058 }
1059
1060 /*************************************************************************
1061 *************************************************************************/
1062
1063 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1064 TALLOC_CTX *mem_ctx,
1065 const char *computer_name,
1066 struct netr_Authenticator *received_authenticator,
1067 struct netr_Authenticator *return_authenticator,
1068 struct netlogon_creds_CredentialState **creds_out)
1069 {
1070 NTSTATUS status;
1071 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1072
1073 if (schannel_global_required) {
1074 status = schannel_check_required(&p->auth,
1075 computer_name,
1076 false, false);
1077 if (!NT_STATUS_IS_OK(status)) {
1078 return status;
1079 }
1080 }
1081
1082 status = schannel_check_creds_state(mem_ctx, lp_private_dir(),
1083 computer_name, received_authenticator,
1084 return_authenticator, creds_out);
1085
1086 return status;
1087 }
1088
1089 /*************************************************************************
1090 *************************************************************************/
1091
1092 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1093 struct auth_serversupplied_info *session_info,
1094 struct messaging_context *msg_ctx,
1095 const char *account_name,
1096 struct samr_Password *nt_hash)
1097 {
1098 NTSTATUS status;
1099 NTSTATUS result = NT_STATUS_OK;
1100 struct dcerpc_binding_handle *h = NULL;
1101 static struct client_address client_id;
1102 struct policy_handle user_handle;
1103 uint32_t acct_ctrl;
1104 union samr_UserInfo *info;
1105 struct samr_UserInfo18 info18;
1106 DATA_BLOB in,out;
1107
1108 ZERO_STRUCT(user_handle);
1109
1110 strlcpy(client_id.addr, "127.0.0.1", sizeof(client_id.addr));
1111 client_id.name = "127.0.0.1";
1112
1113 status = rpcint_binding_handle(mem_ctx,
1114 &ndr_table_samr,
1115 &client_id,
1116 session_info,
1117 msg_ctx,
1118 &h);
1119 if (!NT_STATUS_IS_OK(status)) {
1120 goto out;
1121 }
1122
1123 status = samr_find_machine_account(mem_ctx,
1124 h,
1125 account_name,
1126 SEC_FLAG_MAXIMUM_ALLOWED,
1127 NULL,
1128 NULL,
1129 &user_handle);
1130 if (!NT_STATUS_IS_OK(status)) {
1131 goto out;
1132 }
1133
1134 status = dcerpc_samr_QueryUserInfo2(h,
1135 mem_ctx,
1136 &user_handle,
1137 UserControlInformation,
1138 &info,
1139 &result);
1140 if (!NT_STATUS_IS_OK(status)) {
1141 goto out;
1142 }
1143 if (!NT_STATUS_IS_OK(result)) {
1144 status = result;
1145 goto out;
1146 }
1147
1148 acct_ctrl = info->info16.acct_flags;
1149
1150 if (!(acct_ctrl & ACB_WSTRUST ||
1151 acct_ctrl & ACB_SVRTRUST ||
1152 acct_ctrl & ACB_DOMTRUST)) {
1153 status = NT_STATUS_NO_SUCH_USER;
1154 goto out;
1155 }
1156
1157 if (acct_ctrl & ACB_DISABLED) {
1158 status = NT_STATUS_ACCOUNT_DISABLED;
1159 goto out;
1160 }
1161
1162 ZERO_STRUCT(info18);
1163
1164 in = data_blob_const(nt_hash->hash, 16);
1165 out = data_blob_talloc_zero(mem_ctx, 16);
1166 sess_crypt_blob(&out, &in, &session_info->user_session_key, true);
1167 memcpy(info18.nt_pwd.hash, out.data, out.length);
1168
1169 info18.nt_pwd_active = true;
1170
1171 info->info18 = info18;
1172
1173 status = dcerpc_samr_SetUserInfo2(h,
1174 mem_ctx,
1175 &user_handle,
1176 UserInternal1Information,
1177 info,
1178 &result);
1179 if (!NT_STATUS_IS_OK(status)) {
1180 goto out;
1181 }
1182 if (!NT_STATUS_IS_OK(result)) {
1183 status = result;
1184 goto out;
1185 }
1186
1187 out:
1188 if (h && is_valid_policy_hnd(&user_handle)) {
1189 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
1190 }
1191
1192 return status;
1193 }
1194
1195 /*************************************************************************
1196 _netr_ServerPasswordSet
1197 *************************************************************************/
1198
1199 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1200 struct netr_ServerPasswordSet *r)
1201 {
1202 NTSTATUS status = NT_STATUS_OK;
1203 int i;
1204 struct netlogon_creds_CredentialState *creds;
1205
1206 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1207
1208 become_root();
1209 status = netr_creds_server_step_check(p, p->mem_ctx,
1210 r->in.computer_name,
1211 r->in.credential,
1212 r->out.return_authenticator,
1213 &creds);
1214 unbecome_root();
1215
1216 if (!NT_STATUS_IS_OK(status)) {
1217 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1218 "request from client %s machine account %s\n",
1219 r->in.computer_name, creds->computer_name));
1220 TALLOC_FREE(creds);
1221 return status;
1222 }
1223
1224 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1225 r->in.computer_name, creds->computer_name));
1226
1227 netlogon_creds_des_decrypt(creds, r->in.new_password);
1228
1229 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1230 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1231 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1232 DEBUG(100,("\n"));
1233
1234 status = netr_set_machine_account_password(p->mem_ctx,
1235 p->session_info,
1236 p->msg_ctx,
1237 creds->account_name,
1238 r->in.new_password);
1239 return status;
1240 }
1241
1242 /****************************************************************
1243 _netr_ServerPasswordSet2
1244 ****************************************************************/
1245
1246 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1247 struct netr_ServerPasswordSet2 *r)
1248 {
1249 NTSTATUS status;
1250 struct netlogon_creds_CredentialState *creds;
1251 DATA_BLOB plaintext;
1252 struct samr_CryptPassword password_buf;
1253 struct samr_Password nt_hash;
1254
1255 become_root();
1256 status = netr_creds_server_step_check(p, p->mem_ctx,
1257 r->in.computer_name,
1258 r->in.credential,
1259 r->out.return_authenticator,
1260 &creds);
1261 unbecome_root();
1262
1263 if (!NT_STATUS_IS_OK(status)) {
1264 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1265 "failed. Rejecting auth request from client %s machine account %s\n",
1266 r->in.computer_name, creds->computer_name));
1267 TALLOC_FREE(creds);
1268 return status;
1269 }
1270
1271 memcpy(password_buf.data, r->in.new_password->data, 512);
1272 SIVAL(password_buf.data, 512, r->in.new_password->length);
1273 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1274
1275 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1276 return NT_STATUS_WRONG_PASSWORD;
1277 }
1278
1279 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1280
1281 status = netr_set_machine_account_password(p->mem_ctx,
1282 p->session_info,
1283 p->msg_ctx,
1284 creds->account_name,
1285 &nt_hash);
1286 return status;
1287 }
1288
1289 /*************************************************************************
1290 _netr_LogonSamLogoff
1291 *************************************************************************/
1292
1293 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1294 struct netr_LogonSamLogoff *r)
1295 {
1296 NTSTATUS status;
1297 struct netlogon_creds_CredentialState *creds;
1298
1299 become_root();
1300 status = netr_creds_server_step_check(p, p->mem_ctx,
1301 r->in.computer_name,
1302 r->in.credential,
1303 r->out.return_authenticator,
1304 &creds);
1305 unbecome_root();
1306
1307 return status;
1308 }
1309
1310 static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1311 {
1312 switch (r->in.logon_level) {
1313 case NetlogonInteractiveInformation:
1314 case NetlogonServiceInformation:
1315 case NetlogonInteractiveTransitiveInformation:
1316 case NetlogonServiceTransitiveInformation:
1317 if (r->in.logon->password == NULL) {
1318 return NT_STATUS_INVALID_PARAMETER;
1319 }
1320
1321 switch (r->in.validation_level) {
1322 case NetlogonValidationSamInfo: /* 2 */
1323 case NetlogonValidationSamInfo2: /* 3 */
1324 break;
1325 case NetlogonValidationSamInfo4: /* 6 */
1326 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1327 DEBUG(10,("Not adding validation info level 6 "
1328 "without ADS passdb backend\n"));
1329 return NT_STATUS_INVALID_INFO_CLASS;
1330 }
1331 break;
1332 default:
1333 return NT_STATUS_INVALID_INFO_CLASS;
1334 }
1335
1336 break;
1337 case NetlogonNetworkInformation:
1338 case NetlogonNetworkTransitiveInformation:
1339 if (r->in.logon->network == NULL) {
1340 return NT_STATUS_INVALID_PARAMETER;
1341 }
1342
1343 switch (r->in.validation_level) {
1344 case NetlogonValidationSamInfo: /* 2 */
1345 case NetlogonValidationSamInfo2: /* 3 */
1346 break;
1347 case NetlogonValidationSamInfo4: /* 6 */
1348 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1349 DEBUG(10,("Not adding validation info level 6 "
1350 "without ADS passdb backend\n"));
1351 return NT_STATUS_INVALID_INFO_CLASS;
1352 }
1353 break;
1354 default:
1355 return NT_STATUS_INVALID_INFO_CLASS;
1356 }
1357
1358 break;
1359
1360 case NetlogonGenericInformation:
1361 if (r->in.logon->generic == NULL) {
1362 return NT_STATUS_INVALID_PARAMETER;
1363 }
1364
1365 /* we don't support this here */
1366 return NT_STATUS_INVALID_PARAMETER;
1367 #if 0
1368 switch (r->in.validation_level) {
1369 /* TODO: case NetlogonValidationGenericInfo: 4 */
1370 case NetlogonValidationGenericInfo2: /* 5 */
1371 break;
1372 default:
1373 return NT_STATUS_INVALID_INFO_CLASS;
1374 }
1375
1376 break;
1377 #endif
1378 default:
1379 return NT_STATUS_INVALID_PARAMETER;
1380 }
1381
1382 return NT_STATUS_OK;
1383 }
1384
1385 /*************************************************************************
1386 _netr_LogonSamLogon_base
1387 *************************************************************************/
1388
1389 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1390 struct netr_LogonSamLogonEx *r,
1391 struct netlogon_creds_CredentialState *creds)
1392 {
1393 NTSTATUS status = NT_STATUS_OK;
1394 union netr_LogonLevel *logon = r->in.logon;
1395 const char *nt_username, *nt_domain, *nt_workstation;
1396 struct auth_usersupplied_info *user_info = NULL;
1397 struct auth_serversupplied_info *server_info = NULL;
1398 struct auth_context *auth_context = NULL;
1399 uint8_t pipe_session_key[16];
1400 bool process_creds = true;
1401 const char *fn;
1402
1403 switch (p->opnum) {
1404 case NDR_NETR_LOGONSAMLOGON:
1405 process_creds = true;
1406 fn = "_netr_LogonSamLogon";
1407 break;
1408 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1409 process_creds = true;
1410 fn = "_netr_LogonSamLogonWithFlags";
1411 break;
1412 case NDR_NETR_LOGONSAMLOGONEX:
1413 process_creds = false;
1414 fn = "_netr_LogonSamLogonEx";
1415 break;
1416 default:
1417 return NT_STATUS_INTERNAL_ERROR;
1418 }
1419
1420 *r->out.authoritative = true; /* authoritative response */
1421
1422 switch (r->in.validation_level) {
1423 case 2:
1424 r->out.validation->sam2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo2);
1425 if (!r->out.validation->sam2) {
1426 return NT_STATUS_NO_MEMORY;
1427 }
1428 break;
1429 case 3:
1430 r->out.validation->sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
1431 if (!r->out.validation->sam3) {
1432 return NT_STATUS_NO_MEMORY;
1433 }
1434 break;
1435 case 6:
1436 r->out.validation->sam6 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo6);
1437 if (!r->out.validation->sam6) {
1438 return NT_STATUS_NO_MEMORY;
1439 }
1440 break;
1441 default:
1442 DEBUG(0,("%s: bad validation_level value %d.\n",
1443 fn, (int)r->in.validation_level));
1444 return NT_STATUS_INVALID_INFO_CLASS;
1445 }
1446
1447 switch (r->in.logon_level) {
1448 case NetlogonInteractiveInformation:
1449 case NetlogonServiceInformation:
1450 case NetlogonInteractiveTransitiveInformation:
1451 case NetlogonServiceTransitiveInformation:
1452 nt_username = logon->password->identity_info.account_name.string ?
1453 logon->password->identity_info.account_name.string : "";
1454 nt_domain = logon->password->identity_info.domain_name.string ?
1455 logon->password->identity_info.domain_name.string : "";
1456 nt_workstation = logon->password->identity_info.workstation.string ?
1457 logon->password->identity_info.workstation.string : "";
1458
1459 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1460 break;
1461 case NetlogonNetworkInformation:
1462 case NetlogonNetworkTransitiveInformation:
1463 nt_username = logon->network->identity_info.account_name.string ?
1464 logon->network->identity_info.account_name.string : "";
1465 nt_domain = logon->network->identity_info.domain_name.string ?
1466 logon->network->identity_info.domain_name.string : "";
1467 nt_workstation = logon->network->identity_info.workstation.string ?
1468 logon->network->identity_info.workstation.string : "";
1469
1470 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1471 break;
1472 default:
1473 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1474 return NT_STATUS_INVALID_INFO_CLASS;
1475 } /* end switch */
1476
1477 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1478 fstrcpy(current_user_info.smb_name, nt_username);
1479 sub_set_smb_name(nt_username);
1480
1481 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1482 r->in.validation_level, nt_username));
1483
1484 status = NT_STATUS_OK;
1485
1486 switch (r->in.logon_level) {
1487 case NetlogonNetworkInformation:
1488 case NetlogonNetworkTransitiveInformation:
1489 {
1490 const char *wksname = nt_workstation;
1491
1492 status = make_auth_context_fixed(talloc_tos(), &auth_context,
1493 logon->network->challenge);
1494 if (!NT_STATUS_IS_OK(status)) {
1495 return status;
1496 }
1497
1498 /* For a network logon, the workstation name comes in with two
1499 * backslashes in the front. Strip them if they are there. */
1500
1501 if (*wksname == '\\') wksname++;
1502 if (*wksname == '\\') wksname++;
1503
1504 /* Standard challenge/response authentication */
1505 if (!make_user_info_netlogon_network(&user_info,
1506 nt_username, nt_domain,
1507 wksname,
1508 logon->network->identity_info.parameter_control,
1509 logon->network->lm.data,
1510 logon->network->lm.length,
1511 logon->network->nt.data,
1512 logon->network->nt.length)) {
1513 status = NT_STATUS_NO_MEMORY;
1514 }
1515 break;
1516 }
1517 case NetlogonInteractiveInformation:
1518 case NetlogonServiceInformation:
1519 case NetlogonInteractiveTransitiveInformation:
1520 case NetlogonServiceTransitiveInformation:
1521
1522 /* 'Interactive' authentication, supplies the password in its
1523 MD4 form, encrypted with the session key. We will convert
1524 this to challenge/response for the auth subsystem to chew
1525 on */
1526 {
1527 uint8_t chal[8];
1528
1529 status = make_auth_context_subsystem(talloc_tos(),
1530 &auth_context);
1531 if (!NT_STATUS_IS_OK(status)) {
1532 return status;
1533 }
1534
1535 auth_context->get_ntlm_challenge(auth_context, chal);
1536
1537 if (!make_user_info_netlogon_interactive(&user_info,
1538 nt_username, nt_domain,
1539 nt_workstation,
1540 logon->password->identity_info.parameter_control,
1541 chal,
1542 logon->password->lmpassword.hash,
1543 logon->password->ntpassword.hash,
1544 creds->session_key)) {
1545 status = NT_STATUS_NO_MEMORY;
1546 }
1547 break;
1548 }
1549 default:
1550 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1551 return NT_STATUS_INVALID_INFO_CLASS;
1552 } /* end switch */
1553
1554 if ( NT_STATUS_IS_OK(status) ) {
1555 status = auth_context->check_ntlm_password(auth_context,
1556 user_info, &server_info);
1557 }
1558
1559 TALLOC_FREE(auth_context);
1560 free_user_info(&user_info);
1561
1562 DEBUG(5,("%s: check_password returned status %s\n",
1563 fn, nt_errstr(status)));
1564
1565 /* Check account and password */
1566
1567 if (!NT_STATUS_IS_OK(status)) {
1568 /* If we don't know what this domain is, we need to
1569 indicate that we are not authoritative. This
1570 allows the client to decide if it needs to try
1571 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1572 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1573 && !strequal(nt_domain, get_global_sam_name())
1574 && !is_trusted_domain(nt_domain) )
1575 *r->out.authoritative = false; /* We are not authoritative */
1576
1577 TALLOC_FREE(server_info);
1578 return status;
1579 }
1580
1581 if (server_info->guest) {
1582 /* We don't like guest domain logons... */
1583 DEBUG(5,("%s: Attempted domain logon as GUEST "
1584 "denied.\n", fn));
1585 TALLOC_FREE(server_info);
1586 return NT_STATUS_LOGON_FAILURE;
1587 }
1588
1589 /* This is the point at which, if the login was successful, that
1590 the SAM Local Security Authority should record that the user is
1591 logged in to the domain. */
1592
1593 if (process_creds) {
1594 /* Get the pipe session key from the creds. */
1595 memcpy(pipe_session_key, creds->session_key, 16);
1596 } else {
1597 struct schannel_state *schannel_auth;
1598 /* Get the pipe session key from the schannel. */
1599 if ((p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL)
1600 || (p->auth.auth_ctx == NULL)) {
1601 return NT_STATUS_INVALID_HANDLE;
1602 }
1603
1604 schannel_auth = talloc_get_type_abort(p->auth.auth_ctx,
1605 struct schannel_state);
1606 memcpy(pipe_session_key, schannel_auth->creds->session_key, 16);
1607 }
1608
1609 switch (r->in.validation_level) {
1610 case 2:
1611 status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
1612 r->out.validation->sam2);
1613 break;
1614 case 3:
1615 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
1616 r->out.validation->sam3);
1617 break;
1618 case 6:
1619 status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
1620 r->out.validation->sam6);
1621 break;
1622 }
1623
1624 TALLOC_FREE(server_info);
1625
1626 return status;
1627 }
1628
1629 /****************************************************************
1630 _netr_LogonSamLogonWithFlags
1631 ****************************************************************/
1632
1633 NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
1634 struct netr_LogonSamLogonWithFlags *r)
1635 {
1636 NTSTATUS status;
1637 struct netlogon_creds_CredentialState *creds;
1638 struct netr_LogonSamLogonEx r2;
1639 struct netr_Authenticator return_authenticator;
1640
1641 *r->out.authoritative = true;
1642
1643 r2.in.server_name = r->in.server_name;
1644 r2.in.computer_name = r->in.computer_name;
1645 r2.in.logon_level = r->in.logon_level;
1646 r2.in.logon = r->in.logon;
1647 r2.in.validation_level = r->in.validation_level;
1648 r2.in.flags = r->in.flags;
1649 r2.out.validation = r->out.validation;
1650 r2.out.authoritative = r->out.authoritative;
1651 r2.out.flags = r->out.flags;
1652
1653 status = _netr_LogonSamLogon_check(&r2);
1654 if (!NT_STATUS_IS_OK(status)) {
1655 return status;
1656 }
1657
1658 become_root();
1659 status = netr_creds_server_step_check(p, p->mem_ctx,
1660 r->in.computer_name,
1661 r->in.credential,
1662 &return_authenticator,
1663 &creds);
1664 unbecome_root();
1665 if (!NT_STATUS_IS_OK(status)) {
1666 return status;
1667 }
1668
1669 status = _netr_LogonSamLogon_base(p, &r2, creds);
1670
1671 *r->out.return_authenticator = return_authenticator;
1672
1673 return status;
1674 }
1675
1676 /*************************************************************************
1677 _netr_LogonSamLogon
1678 *************************************************************************/
1679
1680 NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
1681 struct netr_LogonSamLogon *r)
1682 {
1683 NTSTATUS status;
1684 struct netr_LogonSamLogonWithFlags r2;
1685 uint32_t flags = 0;
1686
1687 r2.in.server_name = r->in.server_name;
1688 r2.in.computer_name = r->in.computer_name;
1689 r2.in.credential = r->in.credential;
1690 r2.in.logon_level = r->in.logon_level;
1691 r2.in.logon = r->in.logon;
1692 r2.in.validation_level = r->in.validation_level;
1693 r2.in.return_authenticator = r->in.return_authenticator;
1694 r2.in.flags = &flags;
1695 r2.out.validation = r->out.validation;
1696 r2.out.authoritative = r->out.authoritative;
1697 r2.out.flags = &flags;
1698 r2.out.return_authenticator = r->out.return_authenticator;
1699
1700 status = _netr_LogonSamLogonWithFlags(p, &r2);
1701
1702 return status;
1703 }
1704
1705 /*************************************************************************
1706 _netr_LogonSamLogonEx
1707 - no credential chaining. Map into net sam logon.
1708 *************************************************************************/
1709
1710 NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
1711 struct netr_LogonSamLogonEx *r)
1712 {
1713 NTSTATUS status;
1714 struct netlogon_creds_CredentialState *creds = NULL;
1715
1716 *r->out.authoritative = true;
1717
1718 status = _netr_LogonSamLogon_check(r);
1719 if (!NT_STATUS_IS_OK(status)) {
1720 return status;
1721 }
1722
1723 /* Only allow this if the pipe is protected. */
1724 if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
1725 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1726 get_remote_machine_name() ));
1727 return NT_STATUS_INVALID_PARAMETER;
1728 }
1729
1730 become_root();
1731 status = schannel_get_creds_state(p->mem_ctx, lp_private_dir(),
1732 r->in.computer_name, &creds);
1733 unbecome_root();
1734 if (!NT_STATUS_IS_OK(status)) {
1735 return status;
1736 }
1737
1738 status = _netr_LogonSamLogon_base(p, r, creds);
1739 TALLOC_FREE(creds);
1740
1741 return status;
1742 }
1743
1744 /*************************************************************************
1745 _ds_enum_dom_trusts
1746 *************************************************************************/
1747 #if 0 /* JERRY -- not correct */
1748 NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1749 DS_R_ENUM_DOM_TRUSTS *r_u)
1750 {
1751 NTSTATUS status = NT_STATUS_OK;
1752
1753 /* TODO: According to MSDN, the can only be executed against a
1754 DC or domain member running Windows 2000 or later. Need
1755 to test against a standalone 2k server and see what it
1756 does. A windows 2000 DC includes its own domain in the
1757 list. --jerry */
1758
1759 return status;
1760 }
1761 #endif /* JERRY */
1762
1763
1764 /****************************************************************
1765 ****************************************************************/
1766
1767 WERROR _netr_LogonUasLogon(struct pipes_struct *p,
1768 struct netr_LogonUasLogon *r)
1769 {
1770 p->rng_fault_state = true;
1771 return WERR_NOT_SUPPORTED;
1772 }
1773
1774 /****************************************************************
1775 ****************************************************************/
1776
1777 WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
1778 struct netr_LogonUasLogoff *r)
1779 {
1780 p->rng_fault_state = true;
1781 return WERR_NOT_SUPPORTED;
1782 }
1783
1784 /****************************************************************
1785 ****************************************************************/
1786
1787 NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
1788 struct netr_DatabaseDeltas *r)
1789 {
1790 p->rng_fault_state = true;
1791 return NT_STATUS_NOT_IMPLEMENTED;
1792 }
1793
1794 /****************************************************************
1795 ****************************************************************/
1796
1797 NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
1798 struct netr_DatabaseSync *r)
1799 {
1800 p->rng_fault_state = true;
1801 return NT_STATUS_NOT_IMPLEMENTED;
1802 }
1803
1804 /****************************************************************
1805 ****************************************************************/
1806
1807 NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
1808 struct netr_AccountDeltas *r)
1809 {
1810 p->rng_fault_state = true;
1811 return NT_STATUS_NOT_IMPLEMENTED;
1812 }
1813
1814 /****************************************************************
1815 ****************************************************************/
1816
1817 NTSTATUS _netr_AccountSync(struct pipes_struct *p,
1818 struct netr_AccountSync *r)
1819 {
1820 p->rng_fault_state = true;
1821 return NT_STATUS_NOT_IMPLEMENTED;
1822 }
1823
1824 /****************************************************************
1825 ****************************************************************/
1826
1827 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1828 const char *domain,
1829 const char **dcname,
1830 uint32_t flags,
1831 WERROR *werr)
1832 {
1833 wbcErr result;
1834 struct wbcDomainControllerInfo *dc_info = NULL;
1835
1836 result = wbcLookupDomainController(domain,
1837 flags,
1838 &dc_info);
1839 switch (result) {
1840 case WBC_ERR_SUCCESS:
1841 break;
1842 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1843 return false;
1844 case WBC_ERR_DOMAIN_NOT_FOUND:
1845 *werr = WERR_NO_SUCH_DOMAIN;
1846 return true;
1847 default:
1848 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1849 return true;
1850 }
1851
1852 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1853 wbcFreeMemory(dc_info);
1854 if (!*dcname) {
1855 *werr = WERR_NOMEM;
1856 return false;
1857 }
1858
1859 *werr = WERR_OK;
1860
1861 return true;
1862 }
1863
1864 /****************************************************************
1865 _netr_GetDcName
1866 ****************************************************************/
1867
1868 WERROR _netr_GetDcName(struct pipes_struct *p,
1869 struct netr_GetDcName *r)
1870 {
1871 NTSTATUS status;
1872 WERROR werr;
1873 uint32_t flags;
1874 struct netr_DsRGetDCNameInfo *info;
1875 bool ret;
1876
1877 ret = wb_getdcname(p->mem_ctx,
1878 r->in.domainname,
1879 r->out.dcname,
1880 WBC_LOOKUP_DC_IS_FLAT_NAME |
1881 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1882 WBC_LOOKUP_DC_PDC_REQUIRED,
1883 &werr);
1884 if (ret == true) {
1885 return werr;
1886 }
1887
1888 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1889
1890 status = dsgetdcname(p->mem_ctx,
1891 p->msg_ctx,
1892 r->in.domainname,
1893 NULL,
1894 NULL,
1895 flags,
1896 &info);
1897 if (!NT_STATUS_IS_OK(status)) {
1898 return ntstatus_to_werror(status);
1899 }
1900
1901 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1902 talloc_free(info);
1903 if (!*r->out.dcname) {
1904 return WERR_NOMEM;
1905 }
1906
1907 return WERR_OK;
1908 }
1909
1910 /****************************************************************
1911 _netr_GetAnyDCName
1912 ****************************************************************/
1913
1914 WERROR _netr_GetAnyDCName(struct pipes_struct *p,
1915 struct netr_GetAnyDCName *r)
1916 {
1917 NTSTATUS status;
1918 WERROR werr;
1919 uint32_t flags;
1920 struct netr_DsRGetDCNameInfo *info;
1921 bool ret;
1922
1923 ret = wb_getdcname(p->mem_ctx,
1924 r->in.domainname,
1925 r->out.dcname,
1926 WBC_LOOKUP_DC_IS_FLAT_NAME |
1927 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
1928 &werr);
1929 if (ret == true) {
1930 return werr;
1931 }
1932
1933 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1934
1935 status = dsgetdcname(p->mem_ctx,
1936 p->msg_ctx,
1937 r->in.domainname,
1938 NULL,
1939 NULL,
1940 flags,
1941 &info);
1942 if (!NT_STATUS_IS_OK(status)) {
1943 return ntstatus_to_werror(status);
1944 }
1945
1946 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1947 talloc_free(info);
1948 if (!*r->out.dcname) {
1949 return WERR_NOMEM;
1950 }
1951
1952 return WERR_OK;
1953 }
1954
1955 /****************************************************************
1956 ****************************************************************/
1957
1958 NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
1959 struct netr_DatabaseSync2 *r)
1960 {
1961 p->rng_fault_state = true;
1962 return NT_STATUS_NOT_IMPLEMENTED;
1963 }
1964
1965 /****************************************************************
1966 ****************************************************************/
1967
1968 NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
1969 struct netr_DatabaseRedo *r)
1970 {
1971 p->rng_fault_state = true;
1972 return NT_STATUS_NOT_IMPLEMENTED;
1973 }
1974
1975 /****************************************************************
1976 ****************************************************************/
1977
1978 WERROR _netr_DsRGetDCName(struct pipes_struct *p,
1979 struct netr_DsRGetDCName *r)
1980 {
1981 p->rng_fault_state = true;
1982 return WERR_NOT_SUPPORTED;
1983 }
1984
1985 /****************************************************************
1986 ****************************************************************/
1987
1988 NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
1989 struct netr_LogonGetCapabilities *r)
1990 {
1991 return NT_STATUS_NOT_IMPLEMENTED;
1992 }
1993
1994 /****************************************************************
1995 ****************************************************************/
1996
1997 WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
1998 struct netr_NETRLOGONSETSERVICEBITS *r)
1999 {
2000 p->rng_fault_state = true;
2001 return WERR_NOT_SUPPORTED;
2002 }
2003
2004 /****************************************************************
2005 ****************************************************************/
2006
2007 WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
2008 struct netr_LogonGetTrustRid *r)
2009 {
2010 p->rng_fault_state = true;
2011 return WERR_NOT_SUPPORTED;
2012 }
2013
2014 /****************************************************************
2015 ****************************************************************/
2016
2017 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
2018 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
2019 {
2020 p->rng_fault_state = true;
2021 return WERR_NOT_SUPPORTED;
2022 }
2023
2024 /****************************************************************
2025 ****************************************************************/
2026
2027 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
2028 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
2029 {
2030 p->rng_fault_state = true;
2031 return WERR_NOT_SUPPORTED;
2032 }
2033
2034 /****************************************************************
2035 ****************************************************************/
2036
2037 WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
2038 struct netr_DsRGetDCNameEx *r)
2039 {
2040 p->rng_fault_state = true;
2041 return WERR_NOT_SUPPORTED;
2042 }
2043
2044 /****************************************************************
2045 ****************************************************************/
2046
2047 WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
2048 struct netr_DsRGetSiteName *r)
2049 {
2050 p->rng_fault_state = true;
2051 return WERR_NOT_SUPPORTED;
2052 }
2053
2054 /****************************************************************
2055 ****************************************************************/
2056
2057 NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
2058 struct netr_LogonGetDomainInfo *r)
2059 {
2060 p->rng_fault_state = true;
2061 return NT_STATUS_NOT_IMPLEMENTED;
2062 }
2063
2064 /****************************************************************
2065 ****************************************************************/
2066
2067 WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
2068 struct netr_ServerPasswordGet *r)
2069 {
2070 p->rng_fault_state = true;
2071 return WERR_NOT_SUPPORTED;
2072 }
2073
2074 /****************************************************************
2075 ****************************************************************/
2076
2077 WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
2078 struct netr_NETRLOGONSENDTOSAM *r)
2079 {
2080 p->rng_fault_state = true;
2081 return WERR_NOT_SUPPORTED;
2082 }
2083
2084 /****************************************************************
2085 ****************************************************************/
2086
2087 WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
2088 struct netr_DsRAddressToSitenamesW *r)
2089 {
2090 p->rng_fault_state = true;
2091 return WERR_NOT_SUPPORTED;
2092 }
2093
2094 /****************************************************************
2095 ****************************************************************/
2096
2097 WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
2098 struct netr_DsRGetDCNameEx2 *r)
2099 {
2100 p->rng_fault_state = true;
2101 return WERR_NOT_SUPPORTED;
2102 }
2103
2104 /****************************************************************
2105 ****************************************************************/
2106
2107 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
2108 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
2109 {
2110 p->rng_fault_state = true;
2111 return WERR_NOT_SUPPORTED;
2112 }
2113
2114 /****************************************************************
2115 ****************************************************************/
2116
2117 WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
2118 struct netr_NetrEnumerateTrustedDomainsEx *r)
2119 {
2120 p->rng_fault_state = true;
2121 return WERR_NOT_SUPPORTED;
2122 }
2123
2124 /****************************************************************
2125 ****************************************************************/
2126
2127 WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
2128 struct netr_DsRAddressToSitenamesExW *r)
2129 {
2130 p->rng_fault_state = true;
2131 return WERR_NOT_SUPPORTED;
2132 }
2133
2134 /****************************************************************
2135 ****************************************************************/
2136
2137 WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
2138 struct netr_DsrGetDcSiteCoverageW *r)
2139 {
2140 p->rng_fault_state = true;
2141 return WERR_NOT_SUPPORTED;
2142 }
2143
2144 /****************************************************************
2145 ****************************************************************/
2146
2147 WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
2148 struct netr_DsrEnumerateDomainTrusts *r)
2149 {
2150 p->rng_fault_state = true;
2151 return WERR_NOT_SUPPORTED;
2152 }
2153
2154 /****************************************************************
2155 ****************************************************************/
2156
2157 WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
2158 struct netr_DsrDeregisterDNSHostRecords *r)
2159 {
2160 p->rng_fault_state = true;
2161 return WERR_NOT_SUPPORTED;
2162 }
2163
2164 /****************************************************************
2165 ****************************************************************/
2166
2167 NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
2168 struct netr_ServerTrustPasswordsGet *r)
2169 {
2170 p->rng_fault_state = true;
2171 return NT_STATUS_NOT_IMPLEMENTED;
2172 }
2173
2174 /****************************************************************
2175 ****************************************************************/
2176
2177 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2178 struct netr_DsRGetForestTrustInformation *r)
2179 {
2180 p->rng_fault_state = true;
2181 return WERR_NOT_SUPPORTED;
2182 }
2183
2184 /****************************************************************
2185 ****************************************************************/
2186
2187 static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2188 struct lsa_ForestTrustInformation *info)
2189 {
2190 struct lsa_ForestTrustRecord *e;
2191 struct pdb_domain_info *dom_info;
2192 struct lsa_ForestTrustDomainInfo *domain_info;
2193
2194 dom_info = pdb_get_domain_info(mem_ctx);
2195 if (dom_info == NULL) {
2196 return NT_STATUS_NO_MEMORY;
2197 }
2198
2199 info->count = 2;
2200 info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, 2);
2201 if (info->entries == NULL) {
2202 return NT_STATUS_NO_MEMORY;
2203 }
2204
2205 e = talloc(info, struct lsa_ForestTrustRecord);
2206 if (e == NULL) {
2207 return NT_STATUS_NO_MEMORY;
2208 }
2209
2210 e->flags = 0;
2211 e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2212 e->time = 0; /* so far always 0 in trces. */
2213 e->forest_trust_data.top_level_name.string = talloc_steal(info,
2214 dom_info->dns_forest);
2215
2216 info->entries[0] = e;
2217
2218 e = talloc(info, struct lsa_ForestTrustRecord);
2219 if (e == NULL) {
2220 return NT_STATUS_NO_MEMORY;
2221 }
2222
2223 /* TODO: check if disabled and set flags accordingly */
2224 e->flags = 0;
2225 e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2226 e->time = 0; /* so far always 0 in traces. */
2227
2228 domain_info = &e->forest_trust_data.domain_info;
2229 domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2230
2231 domain_info->dns_domain_name.string = talloc_steal(info,
2232 dom_info->dns_domain);
2233 domain_info->netbios_domain_name.string = talloc_steal(info,
2234 dom_info->name);
2235
2236 info->entries[1] = e;
2237
2238 return NT_STATUS_OK;
2239 }
2240
2241 /****************************************************************
2242 _netr_GetForestTrustInformation
2243 ****************************************************************/
2244
2245 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2246 struct netr_GetForestTrustInformation *r)
2247 {
2248 NTSTATUS status;
2249 struct netlogon_creds_CredentialState *creds;
2250 struct lsa_ForestTrustInformation *info, **info_ptr;
2251
2252 /* TODO: check server name */
2253
2254 status = schannel_check_creds_state(p->mem_ctx, lp_private_dir(),
2255 r->in.computer_name,
2256 r->in.credential,
2257 r->out.return_authenticator,
2258 &creds);
2259 if (!NT_STATUS_IS_OK(status)) {
2260 return status;
2261 }
2262
2263 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2264 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2265 return NT_STATUS_NOT_IMPLEMENTED;
2266 }
2267
2268 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2269 if (!info_ptr) {
2270 return NT_STATUS_NO_MEMORY;
2271 }
2272 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2273 if (!info) {
2274 return NT_STATUS_NO_MEMORY;
2275 }
2276
2277 status = fill_forest_trust_array(p->mem_ctx, info);
2278 if (!NT_STATUS_IS_OK(status)) {
2279 return status;
2280 }
2281
2282 *info_ptr = info;
2283 r->out.forest_trust_info = info_ptr;
2284
2285 return NT_STATUS_OK;
2286 }
2287
2288 /****************************************************************
2289 ****************************************************************/
2290
2291 static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2292 const DATA_BLOB *trustAuth_blob,
2293 const DATA_BLOB *session_key,
2294 struct samr_Password *current_pw_enc,
2295 struct samr_Password *previous_pw_enc)
2296 {
2297 enum ndr_err_code ndr_err;
2298 struct trustAuthInOutBlob trustAuth;
2299
2300 ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2301 (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2302 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2303 return NT_STATUS_UNSUCCESSFUL;
2304 }
2305
2306
2307 if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2308 trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2309 mdfour(previous_pw_enc->hash,
2310 trustAuth.current.array[0].AuthInfo.clear.password,
2311 trustAuth.current.array[0].AuthInfo.clear.size);
2312 } else {
2313 return NT_STATUS_UNSUCCESSFUL;
2314 }
2315
2316 arcfour_crypt_blob(current_pw_enc->hash, sizeof(current_pw_enc->hash),
2317 session_key);
2318
2319 if (trustAuth.previous.count != 0 &&
2320 trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2321 mdfour(previous_pw_enc->hash,
2322 trustAuth.previous.array[0].AuthInfo.clear.password,
2323 trustAuth.previous.array[0].AuthInfo.clear.size);
2324 } else {
2325 mdfour(previous_pw_enc->hash, NULL, 0);
2326 }
2327 arcfour_crypt_blob(previous_pw_enc->hash, sizeof(previous_pw_enc->hash),
2328 session_key);
2329
2330 return NT_STATUS_OK;
2331 }
2332
2333 /****************************************************************
2334 _netr_ServerGetTrustInfo
2335 ****************************************************************/
2336
2337 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2338 struct netr_ServerGetTrustInfo *r)
2339 {
2340 NTSTATUS status;
2341 struct netlogon_creds_CredentialState *creds;
2342 char *account_name;
2343 size_t account_name_last;
2344 bool trusted;
2345 struct netr_TrustInfo *trust_info;
2346 struct pdb_trusted_domain *td;
2347 DATA_BLOB trustAuth_blob;
2348 struct samr_Password *new_owf_enc;
2349 struct samr_Password *old_owf_enc;
2350 DATA_BLOB session_key;
2351
2352 /* TODO: check server name */
2353
2354 status = schannel_check_creds_state(p->mem_ctx, lp_private_dir(),
2355 r->in.computer_name,
2356 r->in.credential,
2357 r->out.return_authenticator,
2358 &creds);
2359 if (!NT_STATUS_IS_OK(status)) {
2360 return status;
2361 }
2362
2363 account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2364 if (account_name == NULL) {
2365 return NT_STATUS_NO_MEMORY;
2366 }
2367
2368 account_name_last = strlen(account_name);
2369 if (account_name_last == 0) {
2370 return NT_STATUS_INVALID_PARAMETER;
2371 }
2372 account_name_last--;
2373 if (account_name[account_name_last] == '.') {
2374 account_name[account_name_last] = '\0';
2375 }
2376
2377 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2378 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2379 trusted = false;
2380 } else {
2381 trusted = true;
2382 }
2383
2384
2385 if (trusted) {
2386 account_name_last = strlen(account_name);
2387 if (account_name_last == 0) {
2388 return NT_STATUS_INVALID_PARAMETER;
2389 }
2390 account_name_last--;
2391 if (account_name[account_name_last] == '$') {
2392 account_name[account_name_last] = '\0';
2393 }
2394
2395 status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2396 if (!NT_STATUS_IS_OK(status)) {
2397 return status;
2398 }
2399
2400 if (r->out.trust_info != NULL) {
2401 trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2402 if (trust_info == NULL) {
2403 return NT_STATUS_NO_MEMORY;
2404 }
2405 trust_info->count = 1;
2406
2407 trust_info->data = talloc_array(trust_info, uint32_t, 1);
2408 if (trust_info->data == NULL) {
2409 return NT_STATUS_NO_MEMORY;
2410 }
2411 trust_info->data[0] = td->trust_attributes;
2412
2413 *r->out.trust_info = trust_info;
2414 }
2415
2416 new_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password);
2417 old_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password);
2418 if (new_owf_enc == NULL || old_owf_enc == NULL) {
2419 return NT_STATUS_NO_MEMORY;
2420 }
2421
2422 /* TODO: which trustAuth shall we use if we have in/out trust or do they have to
2423 * be equal ? */
2424 if (td->trust_direction & NETR_TRUST_FLAG_INBOUND) {
2425 trustAuth_blob = td->trust_auth_incoming;
2426 } else if (td->trust_direction & NETR_TRUST_FLAG_OUTBOUND) {
2427 trustAuth_blob = td->trust_auth_outgoing;
2428 }
2429
2430 session_key.data = creds->session_key;
2431 session_key.length = sizeof(creds->session_key);
2432 status = get_password_from_trustAuth(p->mem_ctx, &trustAuth_blob,
2433 &session_key,
2434 new_owf_enc, old_owf_enc);
2435
2436 if (!NT_STATUS_IS_OK(status)) {
2437 return status;
2438 }
2439
2440 r->out.new_owf_password = new_owf_enc;
2441 r->out.old_owf_password = old_owf_enc;
2442 } else {
2443 /* TODO: look for machine password */
2444 r->out.new_owf_password = NULL;
2445 r->out.old_owf_password = NULL;
2446
2447 return NT_STATUS_NOT_IMPLEMENTED;
2448 }
2449
2450 return NT_STATUS_OK;
2451 }
2452
2453 /****************************************************************
2454 ****************************************************************/
2455
2456 NTSTATUS _netr_Unused47(struct pipes_struct *p,
2457 struct netr_Unused47 *r)
2458 {
2459 p->rng_fault_state = true;
2460 return NT_STATUS_NOT_IMPLEMENTED;
2461 }
2462
2463 /****************************************************************
2464 ****************************************************************/
2465
2466 NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2467 struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2468 {
2469 p->rng_fault_state = true;
2470 return NT_STATUS_NOT_IMPLEMENTED;
2471 }
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