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s3-build: remove some unused/duplicate headers.
[Samba/vl.git] / source3 / rpc_server / netlogon / srv_netlog_nt.c
blob5e945187fa12f4e984dfc67af44e9c5c4fdb9d05
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 "rpc_client/init_lsa.h"
35 #include "rpc_server/rpc_ncacn_np.h"
36 #include "../libcli/security/security.h"
37 #include "../libcli/security/dom_sid.h"
38 #include "librpc/gen_ndr/ndr_drsblobs.h"
39 #include "lib/crypto/arcfour.h"
40 #include "lib/crypto/md4.h"
41 #include "nsswitch/libwbclient/wbclient.h"
42 #include "../libcli/registry/util_reg.h"
43 #include "passdb.h"
44 #include "auth.h"
45 #include "messages.h"
46 #include "../lib/tsocket/tsocket.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->info->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->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->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->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->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->remote_address,
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 (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 lp_netbios_name(),
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 (is_valid_policy_hnd(&domain_handle)) {
624 dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
625 }
626 if (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 struct tsocket_address *local;
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_session_info *session_info;
653 int rc;
654
655 #if 0
656
657 /*
658 * Currently this code is redundent as we already have a filter
659 * by hostname list. What this code really needs to do is to
660 * get a hosts allowed/hosts denied list from the SAM database
661 * on a per user basis, and make the access decision there.
662 * I will leave this code here for now as a reminder to implement
663 * this at a later date. JRA.
664 */
665
666 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
667 p->client_id.name,
668 p->client_id.addr)) {
669 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
670 return False;
671 }
672 #endif /* 0 */
673
674 mem_ctx = talloc_stackframe();
675 if (mem_ctx == NULL) {
676 status = NT_STATUS_NO_MEMORY;
677 goto out;
678 }
679
680 status = make_session_info_system(mem_ctx, &session_info);
681 if (!NT_STATUS_IS_OK(status)) {
682 goto out;
683 }
684
685 ZERO_STRUCT(user_handle);
686
687 rc = tsocket_address_inet_from_strings(mem_ctx,
688 "ip",
689 "127.0.0.1",
690 0,
691 &local);
692 if (rc < 0) {
693 status = NT_STATUS_NO_MEMORY;
694 goto out;
695 }
696
697 status = rpcint_binding_handle(mem_ctx,
698 &ndr_table_samr,
699 local,
700 session_info,
701 msg_ctx,
702 &h);
703 if (!NT_STATUS_IS_OK(status)) {
704 goto out;
705 }
706
707 become_root();
708 status = samr_find_machine_account(mem_ctx, h, mach_acct,
709 SEC_FLAG_MAXIMUM_ALLOWED,
710 &domain_sid, &user_rid,
711 &user_handle);
712 unbecome_root();
713 if (!NT_STATUS_IS_OK(status)) {
714 goto out;
715 }
716
717 status = dcerpc_samr_QueryUserInfo2(h,
718 mem_ctx,
719 &user_handle,
720 UserControlInformation,
721 &info,
722 &result);
723 if (!NT_STATUS_IS_OK(status)) {
724 goto out;
725 }
726 if (!NT_STATUS_IS_OK(result)) {
727 status = result;
728 goto out;
729 }
730
731 acct_ctrl = info->info16.acct_flags;
732
733 if (acct_ctrl & ACB_DISABLED) {
734 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
735 status = NT_STATUS_ACCOUNT_DISABLED;
736 goto out;
737 }
738
739 if (!(acct_ctrl & ACB_SVRTRUST) &&
740 !(acct_ctrl & ACB_WSTRUST) &&
741 !(acct_ctrl & ACB_DOMTRUST))
742 {
743 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
744 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
745 goto out;
746 }
747
748 switch (sec_chan_type) {
749 case SEC_CHAN_BDC:
750 if (!(acct_ctrl & ACB_SVRTRUST)) {
751 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
752 "but not a server trust account\n", mach_acct));
753 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
754 goto out;
755 }
756 break;
757 case SEC_CHAN_WKSTA:
758 if (!(acct_ctrl & ACB_WSTRUST)) {
759 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
760 "but not a workstation trust account\n", mach_acct));
761 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
762 goto out;
763 }
764 break;
765 case SEC_CHAN_DOMAIN:
766 if (!(acct_ctrl & ACB_DOMTRUST)) {
767 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
768 "but not a interdomain trust account\n", mach_acct));
769 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
770 goto out;
771 }
772 break;
773 default:
774 break;
775 }
776
777 become_root();
778 status = dcerpc_samr_QueryUserInfo2(h,
779 mem_ctx,
780 &user_handle,
781 UserInternal1Information,
782 &info,
783 &result);
784 unbecome_root();
785 if (!NT_STATUS_IS_OK(status)) {
786 goto out;
787 }
788 if (!NT_STATUS_IS_OK(result)) {
789 status = result;
790 goto out;
791 }
792
793 if (info->info18.nt_pwd_active == 0) {
794 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
795 status = NT_STATUS_LOGON_FAILURE;
796 goto out;
797 }
798
799 /* samr gives out nthash unencrypted (!) */
800 memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
801
802 sid_compose(sid, domain_sid, user_rid);
803
804 out:
805 if (h && is_valid_policy_hnd(&user_handle)) {
806 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
807 }
808
809 talloc_free(mem_ctx);
810
811 return status;
812 }
813
814 /*************************************************************************
815 _netr_ServerReqChallenge
816 *************************************************************************/
817
818 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
819 struct netr_ServerReqChallenge *r)
820 {
821 struct netlogon_server_pipe_state *pipe_state =
822 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
823
824 if (pipe_state) {
825 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
826 talloc_free(pipe_state);
827 p->private_data = NULL;
828 }
829
830 pipe_state = talloc(p, struct netlogon_server_pipe_state);
831 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
832
833 pipe_state->client_challenge = *r->in.credentials;
834
835 generate_random_buffer(pipe_state->server_challenge.data,
836 sizeof(pipe_state->server_challenge.data));
837
838 *r->out.return_credentials = pipe_state->server_challenge;
839
840 p->private_data = pipe_state;
841
842 return NT_STATUS_OK;
843 }
844
845 /*************************************************************************
846 _netr_ServerAuthenticate
847 Create the initial credentials.
848 *************************************************************************/
849
850 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
851 struct netr_ServerAuthenticate *r)
852 {
853 struct netr_ServerAuthenticate3 a;
854 uint32_t negotiate_flags = 0;
855 uint32_t rid;
856
857 a.in.server_name = r->in.server_name;
858 a.in.account_name = r->in.account_name;
859 a.in.secure_channel_type = r->in.secure_channel_type;
860 a.in.computer_name = r->in.computer_name;
861 a.in.credentials = r->in.credentials;
862 a.in.negotiate_flags = &negotiate_flags;
863
864 a.out.return_credentials = r->out.return_credentials;
865 a.out.rid = &rid;
866 a.out.negotiate_flags = &negotiate_flags;
867
868 return _netr_ServerAuthenticate3(p, &a);
869
870 }
871
872 /*************************************************************************
873 _netr_ServerAuthenticate3
874 *************************************************************************/
875
876 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
877 struct netr_ServerAuthenticate3 *r)
878 {
879 NTSTATUS status;
880 uint32_t srv_flgs;
881 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
882 * so use a copy to avoid destroying the client values. */
883 uint32_t in_neg_flags = *r->in.negotiate_flags;
884 const char *fn;
885 struct dom_sid sid;
886 struct samr_Password mach_pwd;
887 struct netlogon_creds_CredentialState *creds;
888 struct netlogon_server_pipe_state *pipe_state =
889 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
890
891 /* According to Microsoft (see bugid #6099)
892 * Windows 7 looks at the negotiate_flags
893 * returned in this structure *even if the
894 * call fails with access denied* ! So in order
895 * to allow Win7 to connect to a Samba NT style
896 * PDC we set the flags before we know if it's
897 * an error or not.
898 */
899
900 /* 0x000001ff */
901 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
902 NETLOGON_NEG_PERSISTENT_SAMREPL |
903 NETLOGON_NEG_ARCFOUR |
904 NETLOGON_NEG_PROMOTION_COUNT |
905 NETLOGON_NEG_CHANGELOG_BDC |
906 NETLOGON_NEG_FULL_SYNC_REPL |
907 NETLOGON_NEG_MULTIPLE_SIDS |
908 NETLOGON_NEG_REDO |
909 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
910 NETLOGON_NEG_PASSWORD_SET2;
911
912 /* Ensure we support strong (128-bit) keys. */
913 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
914 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
915 }
916
917 if (lp_server_schannel() != false) {
918 srv_flgs |= NETLOGON_NEG_SCHANNEL;
919 }
920
921 switch (p->opnum) {
922 case NDR_NETR_SERVERAUTHENTICATE:
923 fn = "_netr_ServerAuthenticate";
924 break;
925 case NDR_NETR_SERVERAUTHENTICATE2:
926 fn = "_netr_ServerAuthenticate2";
927 break;
928 case NDR_NETR_SERVERAUTHENTICATE3:
929 fn = "_netr_ServerAuthenticate3";
930 break;
931 default:
932 return NT_STATUS_INTERNAL_ERROR;
933 }
934
935 /* We use this as the key to store the creds: */
936 /* r->in.computer_name */
937
938 if (!pipe_state) {
939 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
940 r->in.computer_name));
941 status = NT_STATUS_ACCESS_DENIED;
942 goto out;
943 }
944
945 if ( (lp_server_schannel() == true) &&
946 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
947
948 /* schannel must be used, but client did not offer it. */
949 DEBUG(0,("%s: schannel required but client failed "
950 "to offer it. Client was %s\n",
951 fn, r->in.account_name));
952 status = NT_STATUS_ACCESS_DENIED;
953 goto out;
954 }
955
956 status = get_md4pw(&mach_pwd,
957 r->in.account_name,
958 r->in.secure_channel_type,
959 &sid, p->msg_ctx);
960 if (!NT_STATUS_IS_OK(status)) {
961 DEBUG(0,("%s: failed to get machine password for "
962 "account %s: %s\n",
963 fn, r->in.account_name, nt_errstr(status) ));
964 /* always return NT_STATUS_ACCESS_DENIED */
965 status = NT_STATUS_ACCESS_DENIED;
966 goto out;
967 }
968
969 /* From the client / server challenges and md4 password, generate sess key */
970 /* Check client credentials are valid. */
971 creds = netlogon_creds_server_init(p->mem_ctx,
972 r->in.account_name,
973 r->in.computer_name,
974 r->in.secure_channel_type,
975 &pipe_state->client_challenge,
976 &pipe_state->server_challenge,
977 &mach_pwd,
978 r->in.credentials,
979 r->out.return_credentials,
980 *r->in.negotiate_flags);
981 if (!creds) {
982 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
983 "request from client %s machine account %s\n",
984 fn, r->in.computer_name,
985 r->in.account_name));
986 status = NT_STATUS_ACCESS_DENIED;
987 goto out;
988 }
989
990 creds->sid = dom_sid_dup(creds, &sid);
991 if (!creds->sid) {
992 status = NT_STATUS_NO_MEMORY;
993 goto out;
994 }
995
996 /* Store off the state so we can continue after client disconnect. */
997 become_root();
998 status = schannel_save_creds_state(p->mem_ctx, lp_private_dir(), creds);
999 unbecome_root();
1000
1001 if (!NT_STATUS_IS_OK(status)) {
1002 goto out;
1003 }
1004
1005 sid_peek_rid(&sid, r->out.rid);
1006
1007 status = NT_STATUS_OK;
1008
1009 out:
1010
1011 *r->out.negotiate_flags = srv_flgs;
1012 return status;
1013 }
1014
1015 /*************************************************************************
1016 _netr_ServerAuthenticate2
1017 *************************************************************************/
1018
1019 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1020 struct netr_ServerAuthenticate2 *r)
1021 {
1022 struct netr_ServerAuthenticate3 a;
1023 uint32_t rid;
1024
1025 a.in.server_name = r->in.server_name;
1026 a.in.account_name = r->in.account_name;
1027 a.in.secure_channel_type = r->in.secure_channel_type;
1028 a.in.computer_name = r->in.computer_name;
1029 a.in.credentials = r->in.credentials;
1030 a.in.negotiate_flags = r->in.negotiate_flags;
1031
1032 a.out.return_credentials = r->out.return_credentials;
1033 a.out.rid = &rid;
1034 a.out.negotiate_flags = r->out.negotiate_flags;
1035
1036 return _netr_ServerAuthenticate3(p, &a);
1037 }
1038
1039 /*************************************************************************
1040 * If schannel is required for this call test that it actually is available.
1041 *************************************************************************/
1042 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
1043 const char *computer_name,
1044 bool integrity, bool privacy)
1045 {
1046 if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1047 if (!privacy && !integrity) {
1048 return NT_STATUS_OK;
1049 }
1050
1051 if ((!privacy && integrity) &&
1052 auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
1053 return NT_STATUS_OK;
1054 }
1055
1056 if ((privacy || integrity) &&
1057 auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
1058 return NT_STATUS_OK;
1059 }
1060 }
1061
1062 /* test didn't pass */
1063 DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
1064 computer_name));
1065
1066 return NT_STATUS_ACCESS_DENIED;
1067 }
1068
1069 /*************************************************************************
1070 *************************************************************************/
1071
1072 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1073 TALLOC_CTX *mem_ctx,
1074 const char *computer_name,
1075 struct netr_Authenticator *received_authenticator,
1076 struct netr_Authenticator *return_authenticator,
1077 struct netlogon_creds_CredentialState **creds_out)
1078 {
1079 NTSTATUS status;
1080 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1081
1082 if (schannel_global_required) {
1083 status = schannel_check_required(&p->auth,
1084 computer_name,
1085 false, false);
1086 if (!NT_STATUS_IS_OK(status)) {
1087 return status;
1088 }
1089 }
1090
1091 status = schannel_check_creds_state(mem_ctx, lp_private_dir(),
1092 computer_name, received_authenticator,
1093 return_authenticator, creds_out);
1094
1095 return status;
1096 }
1097
1098 /*************************************************************************
1099 *************************************************************************/
1100
1101 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1102 struct auth_session_info *session_info,
1103 struct messaging_context *msg_ctx,
1104 const char *account_name,
1105 struct samr_Password *nt_hash)
1106 {
1107 NTSTATUS status;
1108 NTSTATUS result = NT_STATUS_OK;
1109 struct dcerpc_binding_handle *h = NULL;
1110 struct tsocket_address *local;
1111 struct policy_handle user_handle;
1112 uint32_t acct_ctrl;
1113 union samr_UserInfo *info;
1114 struct samr_UserInfo18 info18;
1115 DATA_BLOB in,out;
1116 int rc;
1117
1118 ZERO_STRUCT(user_handle);
1119
1120 rc = tsocket_address_inet_from_strings(mem_ctx,
1121 "ip",
1122 "127.0.0.1",
1123 0,
1124 &local);
1125 if (rc < 0) {
1126 status = NT_STATUS_NO_MEMORY;
1127 goto out;
1128 }
1129
1130 status = rpcint_binding_handle(mem_ctx,
1131 &ndr_table_samr,
1132 local,
1133 session_info,
1134 msg_ctx,
1135 &h);
1136 if (!NT_STATUS_IS_OK(status)) {
1137 goto out;
1138 }
1139
1140 status = samr_find_machine_account(mem_ctx,
1141 h,
1142 account_name,
1143 SEC_FLAG_MAXIMUM_ALLOWED,
1144 NULL,
1145 NULL,
1146 &user_handle);
1147 if (!NT_STATUS_IS_OK(status)) {
1148 goto out;
1149 }
1150
1151 status = dcerpc_samr_QueryUserInfo2(h,
1152 mem_ctx,
1153 &user_handle,
1154 UserControlInformation,
1155 &info,
1156 &result);
1157 if (!NT_STATUS_IS_OK(status)) {
1158 goto out;
1159 }
1160 if (!NT_STATUS_IS_OK(result)) {
1161 status = result;
1162 goto out;
1163 }
1164
1165 acct_ctrl = info->info16.acct_flags;
1166
1167 if (!(acct_ctrl & ACB_WSTRUST ||
1168 acct_ctrl & ACB_SVRTRUST ||
1169 acct_ctrl & ACB_DOMTRUST)) {
1170 status = NT_STATUS_NO_SUCH_USER;
1171 goto out;
1172 }
1173
1174 if (acct_ctrl & ACB_DISABLED) {
1175 status = NT_STATUS_ACCOUNT_DISABLED;
1176 goto out;
1177 }
1178
1179 ZERO_STRUCT(info18);
1180
1181 in = data_blob_const(nt_hash->hash, 16);
1182 out = data_blob_talloc_zero(mem_ctx, 16);
1183 sess_crypt_blob(&out, &in, &session_info->session_key, true);
1184 memcpy(info18.nt_pwd.hash, out.data, out.length);
1185
1186 info18.nt_pwd_active = true;
1187
1188 info->info18 = info18;
1189
1190 status = dcerpc_samr_SetUserInfo2(h,
1191 mem_ctx,
1192 &user_handle,
1193 UserInternal1Information,
1194 info,
1195 &result);
1196 if (!NT_STATUS_IS_OK(status)) {
1197 goto out;
1198 }
1199 if (!NT_STATUS_IS_OK(result)) {
1200 status = result;
1201 goto out;
1202 }
1203
1204 out:
1205 if (h && is_valid_policy_hnd(&user_handle)) {
1206 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
1207 }
1208
1209 return status;
1210 }
1211
1212 /*************************************************************************
1213 _netr_ServerPasswordSet
1214 *************************************************************************/
1215
1216 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1217 struct netr_ServerPasswordSet *r)
1218 {
1219 NTSTATUS status = NT_STATUS_OK;
1220 int i;
1221 struct netlogon_creds_CredentialState *creds;
1222
1223 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1224
1225 become_root();
1226 status = netr_creds_server_step_check(p, p->mem_ctx,
1227 r->in.computer_name,
1228 r->in.credential,
1229 r->out.return_authenticator,
1230 &creds);
1231 unbecome_root();
1232
1233 if (!NT_STATUS_IS_OK(status)) {
1234 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1235 "request from client %s machine account %s\n",
1236 r->in.computer_name, creds->computer_name));
1237 TALLOC_FREE(creds);
1238 return status;
1239 }
1240
1241 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1242 r->in.computer_name, creds->computer_name));
1243
1244 netlogon_creds_des_decrypt(creds, r->in.new_password);
1245
1246 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1247 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1248 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1249 DEBUG(100,("\n"));
1250
1251 status = netr_set_machine_account_password(p->mem_ctx,
1252 p->session_info,
1253 p->msg_ctx,
1254 creds->account_name,
1255 r->in.new_password);
1256 return status;
1257 }
1258
1259 /****************************************************************
1260 _netr_ServerPasswordSet2
1261 ****************************************************************/
1262
1263 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1264 struct netr_ServerPasswordSet2 *r)
1265 {
1266 NTSTATUS status;
1267 struct netlogon_creds_CredentialState *creds;
1268 DATA_BLOB plaintext;
1269 struct samr_CryptPassword password_buf;
1270 struct samr_Password nt_hash;
1271
1272 become_root();
1273 status = netr_creds_server_step_check(p, p->mem_ctx,
1274 r->in.computer_name,
1275 r->in.credential,
1276 r->out.return_authenticator,
1277 &creds);
1278 unbecome_root();
1279
1280 if (!NT_STATUS_IS_OK(status)) {
1281 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1282 "failed. Rejecting auth request from client %s machine account %s\n",
1283 r->in.computer_name, creds->computer_name));
1284 TALLOC_FREE(creds);
1285 return status;
1286 }
1287
1288 memcpy(password_buf.data, r->in.new_password->data, 512);
1289 SIVAL(password_buf.data, 512, r->in.new_password->length);
1290 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1291
1292 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1293 return NT_STATUS_WRONG_PASSWORD;
1294 }
1295
1296 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1297
1298 status = netr_set_machine_account_password(p->mem_ctx,
1299 p->session_info,
1300 p->msg_ctx,
1301 creds->account_name,
1302 &nt_hash);
1303 return status;
1304 }
1305
1306 /*************************************************************************
1307 _netr_LogonSamLogoff
1308 *************************************************************************/
1309
1310 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1311 struct netr_LogonSamLogoff *r)
1312 {
1313 NTSTATUS status;
1314 struct netlogon_creds_CredentialState *creds;
1315
1316 become_root();
1317 status = netr_creds_server_step_check(p, p->mem_ctx,
1318 r->in.computer_name,
1319 r->in.credential,
1320 r->out.return_authenticator,
1321 &creds);
1322 unbecome_root();
1323
1324 return status;
1325 }
1326
1327 static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1328 {
1329 switch (r->in.logon_level) {
1330 case NetlogonInteractiveInformation:
1331 case NetlogonServiceInformation:
1332 case NetlogonInteractiveTransitiveInformation:
1333 case NetlogonServiceTransitiveInformation:
1334 if (r->in.logon->password == NULL) {
1335 return NT_STATUS_INVALID_PARAMETER;
1336 }
1337
1338 switch (r->in.validation_level) {
1339 case NetlogonValidationSamInfo: /* 2 */
1340 case NetlogonValidationSamInfo2: /* 3 */
1341 break;
1342 case NetlogonValidationSamInfo4: /* 6 */
1343 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1344 DEBUG(10,("Not adding validation info level 6 "
1345 "without ADS passdb backend\n"));
1346 return NT_STATUS_INVALID_INFO_CLASS;
1347 }
1348 break;
1349 default:
1350 return NT_STATUS_INVALID_INFO_CLASS;
1351 }
1352
1353 break;
1354 case NetlogonNetworkInformation:
1355 case NetlogonNetworkTransitiveInformation:
1356 if (r->in.logon->network == NULL) {
1357 return NT_STATUS_INVALID_PARAMETER;
1358 }
1359
1360 switch (r->in.validation_level) {
1361 case NetlogonValidationSamInfo: /* 2 */
1362 case NetlogonValidationSamInfo2: /* 3 */
1363 break;
1364 case NetlogonValidationSamInfo4: /* 6 */
1365 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1366 DEBUG(10,("Not adding validation info level 6 "
1367 "without ADS passdb backend\n"));
1368 return NT_STATUS_INVALID_INFO_CLASS;
1369 }
1370 break;
1371 default:
1372 return NT_STATUS_INVALID_INFO_CLASS;
1373 }
1374
1375 break;
1376
1377 case NetlogonGenericInformation:
1378 if (r->in.logon->generic == NULL) {
1379 return NT_STATUS_INVALID_PARAMETER;
1380 }
1381
1382 /* we don't support this here */
1383 return NT_STATUS_INVALID_PARAMETER;
1384 #if 0
1385 switch (r->in.validation_level) {
1386 /* TODO: case NetlogonValidationGenericInfo: 4 */
1387 case NetlogonValidationGenericInfo2: /* 5 */
1388 break;
1389 default:
1390 return NT_STATUS_INVALID_INFO_CLASS;
1391 }
1392
1393 break;
1394 #endif
1395 default:
1396 return NT_STATUS_INVALID_PARAMETER;
1397 }
1398
1399 return NT_STATUS_OK;
1400 }
1401
1402 /*************************************************************************
1403 _netr_LogonSamLogon_base
1404 *************************************************************************/
1405
1406 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1407 struct netr_LogonSamLogonEx *r,
1408 struct netlogon_creds_CredentialState *creds)
1409 {
1410 NTSTATUS status = NT_STATUS_OK;
1411 union netr_LogonLevel *logon = r->in.logon;
1412 const char *nt_username, *nt_domain, *nt_workstation;
1413 struct auth_usersupplied_info *user_info = NULL;
1414 struct auth_serversupplied_info *server_info = NULL;
1415 struct auth_context *auth_context = NULL;
1416 uint8_t pipe_session_key[16];
1417 bool process_creds = true;
1418 const char *fn;
1419
1420 switch (p->opnum) {
1421 case NDR_NETR_LOGONSAMLOGON:
1422 process_creds = true;
1423 fn = "_netr_LogonSamLogon";
1424 break;
1425 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1426 process_creds = true;
1427 fn = "_netr_LogonSamLogonWithFlags";
1428 break;
1429 case NDR_NETR_LOGONSAMLOGONEX:
1430 process_creds = false;
1431 fn = "_netr_LogonSamLogonEx";
1432 break;
1433 default:
1434 return NT_STATUS_INTERNAL_ERROR;
1435 }
1436
1437 *r->out.authoritative = true; /* authoritative response */
1438
1439 switch (r->in.validation_level) {
1440 case 2:
1441 r->out.validation->sam2 = talloc_zero(p->mem_ctx, struct netr_SamInfo2);
1442 if (!r->out.validation->sam2) {
1443 return NT_STATUS_NO_MEMORY;
1444 }
1445 break;
1446 case 3:
1447 r->out.validation->sam3 = talloc_zero(p->mem_ctx, struct netr_SamInfo3);
1448 if (!r->out.validation->sam3) {
1449 return NT_STATUS_NO_MEMORY;
1450 }
1451 break;
1452 case 6:
1453 r->out.validation->sam6 = talloc_zero(p->mem_ctx, struct netr_SamInfo6);
1454 if (!r->out.validation->sam6) {
1455 return NT_STATUS_NO_MEMORY;
1456 }
1457 break;
1458 default:
1459 DEBUG(0,("%s: bad validation_level value %d.\n",
1460 fn, (int)r->in.validation_level));
1461 return NT_STATUS_INVALID_INFO_CLASS;
1462 }
1463
1464 switch (r->in.logon_level) {
1465 case NetlogonInteractiveInformation:
1466 case NetlogonServiceInformation:
1467 case NetlogonInteractiveTransitiveInformation:
1468 case NetlogonServiceTransitiveInformation:
1469 nt_username = logon->password->identity_info.account_name.string ?
1470 logon->password->identity_info.account_name.string : "";
1471 nt_domain = logon->password->identity_info.domain_name.string ?
1472 logon->password->identity_info.domain_name.string : "";
1473 nt_workstation = logon->password->identity_info.workstation.string ?
1474 logon->password->identity_info.workstation.string : "";
1475
1476 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1477 break;
1478 case NetlogonNetworkInformation:
1479 case NetlogonNetworkTransitiveInformation:
1480 nt_username = logon->network->identity_info.account_name.string ?
1481 logon->network->identity_info.account_name.string : "";
1482 nt_domain = logon->network->identity_info.domain_name.string ?
1483 logon->network->identity_info.domain_name.string : "";
1484 nt_workstation = logon->network->identity_info.workstation.string ?
1485 logon->network->identity_info.workstation.string : "";
1486
1487 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1488 break;
1489 default:
1490 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1491 return NT_STATUS_INVALID_INFO_CLASS;
1492 } /* end switch */
1493
1494 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1495 fstrcpy(current_user_info.smb_name, nt_username);
1496 sub_set_smb_name(nt_username);
1497
1498 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1499 r->in.validation_level, nt_username));
1500
1501 status = NT_STATUS_OK;
1502
1503 switch (r->in.logon_level) {
1504 case NetlogonNetworkInformation:
1505 case NetlogonNetworkTransitiveInformation:
1506 {
1507 const char *wksname = nt_workstation;
1508
1509 status = make_auth_context_fixed(talloc_tos(), &auth_context,
1510 logon->network->challenge);
1511 if (!NT_STATUS_IS_OK(status)) {
1512 return status;
1513 }
1514
1515 /* For a network logon, the workstation name comes in with two
1516 * backslashes in the front. Strip them if they are there. */
1517
1518 if (*wksname == '\\') wksname++;
1519 if (*wksname == '\\') wksname++;
1520
1521 /* Standard challenge/response authentication */
1522 if (!make_user_info_netlogon_network(&user_info,
1523 nt_username, nt_domain,
1524 wksname,
1525 p->remote_address,
1526 logon->network->identity_info.parameter_control,
1527 logon->network->lm.data,
1528 logon->network->lm.length,
1529 logon->network->nt.data,
1530 logon->network->nt.length)) {
1531 status = NT_STATUS_NO_MEMORY;
1532 }
1533 break;
1534 }
1535 case NetlogonInteractiveInformation:
1536 case NetlogonServiceInformation:
1537 case NetlogonInteractiveTransitiveInformation:
1538 case NetlogonServiceTransitiveInformation:
1539
1540 /* 'Interactive' authentication, supplies the password in its
1541 MD4 form, encrypted with the session key. We will convert
1542 this to challenge/response for the auth subsystem to chew
1543 on */
1544 {
1545 uint8_t chal[8];
1546
1547 status = make_auth_context_subsystem(talloc_tos(),
1548 &auth_context);
1549 if (!NT_STATUS_IS_OK(status)) {
1550 return status;
1551 }
1552
1553 auth_context->get_ntlm_challenge(auth_context, chal);
1554
1555 if (!make_user_info_netlogon_interactive(&user_info,
1556 nt_username, nt_domain,
1557 nt_workstation,
1558 p->remote_address,
1559 logon->password->identity_info.parameter_control,
1560 chal,
1561 logon->password->lmpassword.hash,
1562 logon->password->ntpassword.hash,
1563 creds->session_key)) {
1564 status = NT_STATUS_NO_MEMORY;
1565 }
1566 break;
1567 }
1568 default:
1569 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1570 return NT_STATUS_INVALID_INFO_CLASS;
1571 } /* end switch */
1572
1573 if ( NT_STATUS_IS_OK(status) ) {
1574 status = auth_context->check_ntlm_password(auth_context,
1575 user_info, &server_info);
1576 }
1577
1578 TALLOC_FREE(auth_context);
1579 free_user_info(&user_info);
1580
1581 DEBUG(5,("%s: check_password returned status %s\n",
1582 fn, nt_errstr(status)));
1583
1584 /* Check account and password */
1585
1586 if (!NT_STATUS_IS_OK(status)) {
1587 /* If we don't know what this domain is, we need to
1588 indicate that we are not authoritative. This
1589 allows the client to decide if it needs to try
1590 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1591 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1592 && !strequal(nt_domain, get_global_sam_name())
1593 && !is_trusted_domain(nt_domain) )
1594 *r->out.authoritative = false; /* We are not authoritative */
1595
1596 TALLOC_FREE(server_info);
1597 return status;
1598 }
1599
1600 if (server_info->guest) {
1601 /* We don't like guest domain logons... */
1602 DEBUG(5,("%s: Attempted domain logon as GUEST "
1603 "denied.\n", fn));
1604 TALLOC_FREE(server_info);
1605 return NT_STATUS_LOGON_FAILURE;
1606 }
1607
1608 /* This is the point at which, if the login was successful, that
1609 the SAM Local Security Authority should record that the user is
1610 logged in to the domain. */
1611
1612 if (process_creds) {
1613 /* Get the pipe session key from the creds. */
1614 memcpy(pipe_session_key, creds->session_key, 16);
1615 } else {
1616 struct schannel_state *schannel_auth;
1617 /* Get the pipe session key from the schannel. */
1618 if ((p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL)
1619 || (p->auth.auth_ctx == NULL)) {
1620 return NT_STATUS_INVALID_HANDLE;
1621 }
1622
1623 schannel_auth = talloc_get_type_abort(p->auth.auth_ctx,
1624 struct schannel_state);
1625 memcpy(pipe_session_key, schannel_auth->creds->session_key, 16);
1626 }
1627
1628 switch (r->in.validation_level) {
1629 case 2:
1630 status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
1631 r->out.validation->sam2);
1632 break;
1633 case 3:
1634 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
1635 r->out.validation->sam3);
1636 break;
1637 case 6:
1638 status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
1639 r->out.validation->sam6);
1640 break;
1641 }
1642
1643 TALLOC_FREE(server_info);
1644
1645 return status;
1646 }
1647
1648 /****************************************************************
1649 _netr_LogonSamLogonWithFlags
1650 ****************************************************************/
1651
1652 NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
1653 struct netr_LogonSamLogonWithFlags *r)
1654 {
1655 NTSTATUS status;
1656 struct netlogon_creds_CredentialState *creds;
1657 struct netr_LogonSamLogonEx r2;
1658 struct netr_Authenticator return_authenticator;
1659
1660 *r->out.authoritative = true;
1661
1662 r2.in.server_name = r->in.server_name;
1663 r2.in.computer_name = r->in.computer_name;
1664 r2.in.logon_level = r->in.logon_level;
1665 r2.in.logon = r->in.logon;
1666 r2.in.validation_level = r->in.validation_level;
1667 r2.in.flags = r->in.flags;
1668 r2.out.validation = r->out.validation;
1669 r2.out.authoritative = r->out.authoritative;
1670 r2.out.flags = r->out.flags;
1671
1672 status = _netr_LogonSamLogon_check(&r2);
1673 if (!NT_STATUS_IS_OK(status)) {
1674 return status;
1675 }
1676
1677 become_root();
1678 status = netr_creds_server_step_check(p, p->mem_ctx,
1679 r->in.computer_name,
1680 r->in.credential,
1681 &return_authenticator,
1682 &creds);
1683 unbecome_root();
1684 if (!NT_STATUS_IS_OK(status)) {
1685 return status;
1686 }
1687
1688 status = _netr_LogonSamLogon_base(p, &r2, creds);
1689
1690 *r->out.return_authenticator = return_authenticator;
1691
1692 return status;
1693 }
1694
1695 /*************************************************************************
1696 _netr_LogonSamLogon
1697 *************************************************************************/
1698
1699 NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
1700 struct netr_LogonSamLogon *r)
1701 {
1702 NTSTATUS status;
1703 struct netr_LogonSamLogonWithFlags r2;
1704 uint32_t flags = 0;
1705
1706 r2.in.server_name = r->in.server_name;
1707 r2.in.computer_name = r->in.computer_name;
1708 r2.in.credential = r->in.credential;
1709 r2.in.logon_level = r->in.logon_level;
1710 r2.in.logon = r->in.logon;
1711 r2.in.validation_level = r->in.validation_level;
1712 r2.in.return_authenticator = r->in.return_authenticator;
1713 r2.in.flags = &flags;
1714 r2.out.validation = r->out.validation;
1715 r2.out.authoritative = r->out.authoritative;
1716 r2.out.flags = &flags;
1717 r2.out.return_authenticator = r->out.return_authenticator;
1718
1719 status = _netr_LogonSamLogonWithFlags(p, &r2);
1720
1721 return status;
1722 }
1723
1724 /*************************************************************************
1725 _netr_LogonSamLogonEx
1726 - no credential chaining. Map into net sam logon.
1727 *************************************************************************/
1728
1729 NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
1730 struct netr_LogonSamLogonEx *r)
1731 {
1732 NTSTATUS status;
1733 struct netlogon_creds_CredentialState *creds = NULL;
1734
1735 *r->out.authoritative = true;
1736
1737 status = _netr_LogonSamLogon_check(r);
1738 if (!NT_STATUS_IS_OK(status)) {
1739 return status;
1740 }
1741
1742 /* Only allow this if the pipe is protected. */
1743 if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
1744 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1745 get_remote_machine_name() ));
1746 return NT_STATUS_INVALID_PARAMETER;
1747 }
1748
1749 become_root();
1750 status = schannel_get_creds_state(p->mem_ctx, lp_private_dir(),
1751 r->in.computer_name, &creds);
1752 unbecome_root();
1753 if (!NT_STATUS_IS_OK(status)) {
1754 return status;
1755 }
1756
1757 status = _netr_LogonSamLogon_base(p, r, creds);
1758 TALLOC_FREE(creds);
1759
1760 return status;
1761 }
1762
1763 /*************************************************************************
1764 _ds_enum_dom_trusts
1765 *************************************************************************/
1766 #if 0 /* JERRY -- not correct */
1767 NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1768 DS_R_ENUM_DOM_TRUSTS *r_u)
1769 {
1770 NTSTATUS status = NT_STATUS_OK;
1771
1772 /* TODO: According to MSDN, the can only be executed against a
1773 DC or domain member running Windows 2000 or later. Need
1774 to test against a standalone 2k server and see what it
1775 does. A windows 2000 DC includes its own domain in the
1776 list. --jerry */
1777
1778 return status;
1779 }
1780 #endif /* JERRY */
1781
1782
1783 /****************************************************************
1784 ****************************************************************/
1785
1786 WERROR _netr_LogonUasLogon(struct pipes_struct *p,
1787 struct netr_LogonUasLogon *r)
1788 {
1789 p->rng_fault_state = true;
1790 return WERR_NOT_SUPPORTED;
1791 }
1792
1793 /****************************************************************
1794 ****************************************************************/
1795
1796 WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
1797 struct netr_LogonUasLogoff *r)
1798 {
1799 p->rng_fault_state = true;
1800 return WERR_NOT_SUPPORTED;
1801 }
1802
1803 /****************************************************************
1804 ****************************************************************/
1805
1806 NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
1807 struct netr_DatabaseDeltas *r)
1808 {
1809 p->rng_fault_state = true;
1810 return NT_STATUS_NOT_IMPLEMENTED;
1811 }
1812
1813 /****************************************************************
1814 ****************************************************************/
1815
1816 NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
1817 struct netr_DatabaseSync *r)
1818 {
1819 p->rng_fault_state = true;
1820 return NT_STATUS_NOT_IMPLEMENTED;
1821 }
1822
1823 /****************************************************************
1824 ****************************************************************/
1825
1826 NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
1827 struct netr_AccountDeltas *r)
1828 {
1829 p->rng_fault_state = true;
1830 return NT_STATUS_NOT_IMPLEMENTED;
1831 }
1832
1833 /****************************************************************
1834 ****************************************************************/
1835
1836 NTSTATUS _netr_AccountSync(struct pipes_struct *p,
1837 struct netr_AccountSync *r)
1838 {
1839 p->rng_fault_state = true;
1840 return NT_STATUS_NOT_IMPLEMENTED;
1841 }
1842
1843 /****************************************************************
1844 ****************************************************************/
1845
1846 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1847 const char *domain,
1848 const char **dcname,
1849 uint32_t flags,
1850 WERROR *werr)
1851 {
1852 wbcErr result;
1853 struct wbcDomainControllerInfo *dc_info = NULL;
1854
1855 result = wbcLookupDomainController(domain,
1856 flags,
1857 &dc_info);
1858 switch (result) {
1859 case WBC_ERR_SUCCESS:
1860 break;
1861 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1862 return false;
1863 case WBC_ERR_DOMAIN_NOT_FOUND:
1864 *werr = WERR_NO_SUCH_DOMAIN;
1865 return true;
1866 default:
1867 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1868 return true;
1869 }
1870
1871 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1872 wbcFreeMemory(dc_info);
1873 if (!*dcname) {
1874 *werr = WERR_NOMEM;
1875 return false;
1876 }
1877
1878 *werr = WERR_OK;
1879
1880 return true;
1881 }
1882
1883 /****************************************************************
1884 _netr_GetDcName
1885 ****************************************************************/
1886
1887 WERROR _netr_GetDcName(struct pipes_struct *p,
1888 struct netr_GetDcName *r)
1889 {
1890 NTSTATUS status;
1891 WERROR werr;
1892 uint32_t flags;
1893 struct netr_DsRGetDCNameInfo *info;
1894 bool ret;
1895
1896 ret = wb_getdcname(p->mem_ctx,
1897 r->in.domainname,
1898 r->out.dcname,
1899 WBC_LOOKUP_DC_IS_FLAT_NAME |
1900 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1901 WBC_LOOKUP_DC_PDC_REQUIRED,
1902 &werr);
1903 if (ret == true) {
1904 return werr;
1905 }
1906
1907 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1908
1909 status = dsgetdcname(p->mem_ctx,
1910 p->msg_ctx,
1911 r->in.domainname,
1912 NULL,
1913 NULL,
1914 flags,
1915 &info);
1916 if (!NT_STATUS_IS_OK(status)) {
1917 return ntstatus_to_werror(status);
1918 }
1919
1920 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1921 talloc_free(info);
1922 if (!*r->out.dcname) {
1923 return WERR_NOMEM;
1924 }
1925
1926 return WERR_OK;
1927 }
1928
1929 /****************************************************************
1930 _netr_GetAnyDCName
1931 ****************************************************************/
1932
1933 WERROR _netr_GetAnyDCName(struct pipes_struct *p,
1934 struct netr_GetAnyDCName *r)
1935 {
1936 NTSTATUS status;
1937 WERROR werr;
1938 uint32_t flags;
1939 struct netr_DsRGetDCNameInfo *info;
1940 bool ret;
1941
1942 ret = wb_getdcname(p->mem_ctx,
1943 r->in.domainname,
1944 r->out.dcname,
1945 WBC_LOOKUP_DC_IS_FLAT_NAME |
1946 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
1947 &werr);
1948 if (ret == true) {
1949 return werr;
1950 }
1951
1952 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1953
1954 status = dsgetdcname(p->mem_ctx,
1955 p->msg_ctx,
1956 r->in.domainname,
1957 NULL,
1958 NULL,
1959 flags,
1960 &info);
1961 if (!NT_STATUS_IS_OK(status)) {
1962 return ntstatus_to_werror(status);
1963 }
1964
1965 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1966 talloc_free(info);
1967 if (!*r->out.dcname) {
1968 return WERR_NOMEM;
1969 }
1970
1971 return WERR_OK;
1972 }
1973
1974 /****************************************************************
1975 ****************************************************************/
1976
1977 NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
1978 struct netr_DatabaseSync2 *r)
1979 {
1980 p->rng_fault_state = true;
1981 return NT_STATUS_NOT_IMPLEMENTED;
1982 }
1983
1984 /****************************************************************
1985 ****************************************************************/
1986
1987 NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
1988 struct netr_DatabaseRedo *r)
1989 {
1990 p->rng_fault_state = true;
1991 return NT_STATUS_NOT_IMPLEMENTED;
1992 }
1993
1994 /****************************************************************
1995 ****************************************************************/
1996
1997 WERROR _netr_DsRGetDCName(struct pipes_struct *p,
1998 struct netr_DsRGetDCName *r)
1999 {
2000 p->rng_fault_state = true;
2001 return WERR_NOT_SUPPORTED;
2002 }
2003
2004 /****************************************************************
2005 ****************************************************************/
2006
2007 NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
2008 struct netr_LogonGetCapabilities *r)
2009 {
2010 return NT_STATUS_NOT_IMPLEMENTED;
2011 }
2012
2013 /****************************************************************
2014 ****************************************************************/
2015
2016 WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
2017 struct netr_NETRLOGONSETSERVICEBITS *r)
2018 {
2019 p->rng_fault_state = true;
2020 return WERR_NOT_SUPPORTED;
2021 }
2022
2023 /****************************************************************
2024 ****************************************************************/
2025
2026 WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
2027 struct netr_LogonGetTrustRid *r)
2028 {
2029 p->rng_fault_state = true;
2030 return WERR_NOT_SUPPORTED;
2031 }
2032
2033 /****************************************************************
2034 ****************************************************************/
2035
2036 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
2037 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
2038 {
2039 p->rng_fault_state = true;
2040 return WERR_NOT_SUPPORTED;
2041 }
2042
2043 /****************************************************************
2044 ****************************************************************/
2045
2046 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
2047 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
2048 {
2049 p->rng_fault_state = true;
2050 return WERR_NOT_SUPPORTED;
2051 }
2052
2053 /****************************************************************
2054 ****************************************************************/
2055
2056 WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
2057 struct netr_DsRGetDCNameEx *r)
2058 {
2059 p->rng_fault_state = true;
2060 return WERR_NOT_SUPPORTED;
2061 }
2062
2063 /****************************************************************
2064 ****************************************************************/
2065
2066 WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
2067 struct netr_DsRGetSiteName *r)
2068 {
2069 p->rng_fault_state = true;
2070 return WERR_NOT_SUPPORTED;
2071 }
2072
2073 /****************************************************************
2074 ****************************************************************/
2075
2076 NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
2077 struct netr_LogonGetDomainInfo *r)
2078 {
2079 p->rng_fault_state = true;
2080 return NT_STATUS_NOT_IMPLEMENTED;
2081 }
2082
2083 /****************************************************************
2084 ****************************************************************/
2085
2086 WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
2087 struct netr_ServerPasswordGet *r)
2088 {
2089 p->rng_fault_state = true;
2090 return WERR_NOT_SUPPORTED;
2091 }
2092
2093 /****************************************************************
2094 ****************************************************************/
2095
2096 WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
2097 struct netr_NETRLOGONSENDTOSAM *r)
2098 {
2099 p->rng_fault_state = true;
2100 return WERR_NOT_SUPPORTED;
2101 }
2102
2103 /****************************************************************
2104 ****************************************************************/
2105
2106 WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
2107 struct netr_DsRAddressToSitenamesW *r)
2108 {
2109 p->rng_fault_state = true;
2110 return WERR_NOT_SUPPORTED;
2111 }
2112
2113 /****************************************************************
2114 ****************************************************************/
2115
2116 WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
2117 struct netr_DsRGetDCNameEx2 *r)
2118 {
2119 p->rng_fault_state = true;
2120 return WERR_NOT_SUPPORTED;
2121 }
2122
2123 /****************************************************************
2124 ****************************************************************/
2125
2126 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
2127 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
2128 {
2129 p->rng_fault_state = true;
2130 return WERR_NOT_SUPPORTED;
2131 }
2132
2133 /****************************************************************
2134 ****************************************************************/
2135
2136 WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
2137 struct netr_NetrEnumerateTrustedDomainsEx *r)
2138 {
2139 p->rng_fault_state = true;
2140 return WERR_NOT_SUPPORTED;
2141 }
2142
2143 /****************************************************************
2144 ****************************************************************/
2145
2146 WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
2147 struct netr_DsRAddressToSitenamesExW *r)
2148 {
2149 p->rng_fault_state = true;
2150 return WERR_NOT_SUPPORTED;
2151 }
2152
2153 /****************************************************************
2154 ****************************************************************/
2155
2156 WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
2157 struct netr_DsrGetDcSiteCoverageW *r)
2158 {
2159 p->rng_fault_state = true;
2160 return WERR_NOT_SUPPORTED;
2161 }
2162
2163 /****************************************************************
2164 ****************************************************************/
2165
2166 WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
2167 struct netr_DsrEnumerateDomainTrusts *r)
2168 {
2169 p->rng_fault_state = true;
2170 return WERR_NOT_SUPPORTED;
2171 }
2172
2173 /****************************************************************
2174 ****************************************************************/
2175
2176 WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
2177 struct netr_DsrDeregisterDNSHostRecords *r)
2178 {
2179 p->rng_fault_state = true;
2180 return WERR_NOT_SUPPORTED;
2181 }
2182
2183 /****************************************************************
2184 ****************************************************************/
2185
2186 NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
2187 struct netr_ServerTrustPasswordsGet *r)
2188 {
2189 p->rng_fault_state = true;
2190 return NT_STATUS_NOT_IMPLEMENTED;
2191 }
2192
2193 /****************************************************************
2194 ****************************************************************/
2195
2196 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2197 struct netr_DsRGetForestTrustInformation *r)
2198 {
2199 p->rng_fault_state = true;
2200 return WERR_NOT_SUPPORTED;
2201 }
2202
2203 /****************************************************************
2204 ****************************************************************/
2205
2206 static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2207 struct lsa_ForestTrustInformation *info)
2208 {
2209 struct lsa_ForestTrustRecord *e;
2210 struct pdb_domain_info *dom_info;
2211 struct lsa_ForestTrustDomainInfo *domain_info;
2212
2213 dom_info = pdb_get_domain_info(mem_ctx);
2214 if (dom_info == NULL) {
2215 return NT_STATUS_NO_MEMORY;
2216 }
2217
2218 info->count = 2;
2219 info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, 2);
2220 if (info->entries == NULL) {
2221 return NT_STATUS_NO_MEMORY;
2222 }
2223
2224 e = talloc(info, struct lsa_ForestTrustRecord);
2225 if (e == NULL) {
2226 return NT_STATUS_NO_MEMORY;
2227 }
2228
2229 e->flags = 0;
2230 e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2231 e->time = 0; /* so far always 0 in trces. */
2232 e->forest_trust_data.top_level_name.string = talloc_steal(info,
2233 dom_info->dns_forest);
2234
2235 info->entries[0] = e;
2236
2237 e = talloc(info, struct lsa_ForestTrustRecord);
2238 if (e == NULL) {
2239 return NT_STATUS_NO_MEMORY;
2240 }
2241
2242 /* TODO: check if disabled and set flags accordingly */
2243 e->flags = 0;
2244 e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2245 e->time = 0; /* so far always 0 in traces. */
2246
2247 domain_info = &e->forest_trust_data.domain_info;
2248 domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2249
2250 domain_info->dns_domain_name.string = talloc_steal(info,
2251 dom_info->dns_domain);
2252 domain_info->netbios_domain_name.string = talloc_steal(info,
2253 dom_info->name);
2254
2255 info->entries[1] = e;
2256
2257 return NT_STATUS_OK;
2258 }
2259
2260 /****************************************************************
2261 _netr_GetForestTrustInformation
2262 ****************************************************************/
2263
2264 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2265 struct netr_GetForestTrustInformation *r)
2266 {
2267 NTSTATUS status;
2268 struct netlogon_creds_CredentialState *creds;
2269 struct lsa_ForestTrustInformation *info, **info_ptr;
2270
2271 /* TODO: check server name */
2272
2273 status = schannel_check_creds_state(p->mem_ctx, lp_private_dir(),
2274 r->in.computer_name,
2275 r->in.credential,
2276 r->out.return_authenticator,
2277 &creds);
2278 if (!NT_STATUS_IS_OK(status)) {
2279 return status;
2280 }
2281
2282 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2283 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2284 return NT_STATUS_NOT_IMPLEMENTED;
2285 }
2286
2287 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2288 if (!info_ptr) {
2289 return NT_STATUS_NO_MEMORY;
2290 }
2291 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2292 if (!info) {
2293 return NT_STATUS_NO_MEMORY;
2294 }
2295
2296 status = fill_forest_trust_array(p->mem_ctx, info);
2297 if (!NT_STATUS_IS_OK(status)) {
2298 return status;
2299 }
2300
2301 *info_ptr = info;
2302 r->out.forest_trust_info = info_ptr;
2303
2304 return NT_STATUS_OK;
2305 }
2306
2307 /****************************************************************
2308 ****************************************************************/
2309
2310 static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2311 const DATA_BLOB *trustAuth_blob,
2312 const DATA_BLOB *session_key,
2313 struct samr_Password *current_pw_enc,
2314 struct samr_Password *previous_pw_enc)
2315 {
2316 enum ndr_err_code ndr_err;
2317 struct trustAuthInOutBlob trustAuth;
2318
2319 ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2320 (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2321 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2322 return NT_STATUS_UNSUCCESSFUL;
2323 }
2324
2325
2326 if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2327 trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2328 mdfour(previous_pw_enc->hash,
2329 trustAuth.current.array[0].AuthInfo.clear.password,
2330 trustAuth.current.array[0].AuthInfo.clear.size);
2331 } else {
2332 return NT_STATUS_UNSUCCESSFUL;
2333 }
2334
2335 arcfour_crypt_blob(current_pw_enc->hash, sizeof(current_pw_enc->hash),
2336 session_key);
2337
2338 if (trustAuth.previous.count != 0 &&
2339 trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2340 mdfour(previous_pw_enc->hash,
2341 trustAuth.previous.array[0].AuthInfo.clear.password,
2342 trustAuth.previous.array[0].AuthInfo.clear.size);
2343 } else {
2344 mdfour(previous_pw_enc->hash, NULL, 0);
2345 }
2346 arcfour_crypt_blob(previous_pw_enc->hash, sizeof(previous_pw_enc->hash),
2347 session_key);
2348
2349 return NT_STATUS_OK;
2350 }
2351
2352 /****************************************************************
2353 _netr_ServerGetTrustInfo
2354 ****************************************************************/
2355
2356 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2357 struct netr_ServerGetTrustInfo *r)
2358 {
2359 NTSTATUS status;
2360 struct netlogon_creds_CredentialState *creds;
2361 char *account_name;
2362 size_t account_name_last;
2363 bool trusted;
2364 struct netr_TrustInfo *trust_info;
2365 struct pdb_trusted_domain *td;
2366 DATA_BLOB trustAuth_blob;
2367 struct samr_Password *new_owf_enc;
2368 struct samr_Password *old_owf_enc;
2369 DATA_BLOB session_key;
2370
2371 /* TODO: check server name */
2372
2373 status = schannel_check_creds_state(p->mem_ctx, lp_private_dir(),
2374 r->in.computer_name,
2375 r->in.credential,
2376 r->out.return_authenticator,
2377 &creds);
2378 if (!NT_STATUS_IS_OK(status)) {
2379 return status;
2380 }
2381
2382 account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2383 if (account_name == NULL) {
2384 return NT_STATUS_NO_MEMORY;
2385 }
2386
2387 account_name_last = strlen(account_name);
2388 if (account_name_last == 0) {
2389 return NT_STATUS_INVALID_PARAMETER;
2390 }
2391 account_name_last--;
2392 if (account_name[account_name_last] == '.') {
2393 account_name[account_name_last] = '\0';
2394 }
2395
2396 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2397 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2398 trusted = false;
2399 } else {
2400 trusted = true;
2401 }
2402
2403
2404 if (trusted) {
2405 account_name_last = strlen(account_name);
2406 if (account_name_last == 0) {
2407 return NT_STATUS_INVALID_PARAMETER;
2408 }
2409 account_name_last--;
2410 if (account_name[account_name_last] == '$') {
2411 account_name[account_name_last] = '\0';
2412 }
2413
2414 status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2415 if (!NT_STATUS_IS_OK(status)) {
2416 return status;
2417 }
2418
2419 if (r->out.trust_info != NULL) {
2420 trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2421 if (trust_info == NULL) {
2422 return NT_STATUS_NO_MEMORY;
2423 }
2424 trust_info->count = 1;
2425
2426 trust_info->data = talloc_array(trust_info, uint32_t, 1);
2427 if (trust_info->data == NULL) {
2428 return NT_STATUS_NO_MEMORY;
2429 }
2430 trust_info->data[0] = td->trust_attributes;
2431
2432 *r->out.trust_info = trust_info;
2433 }
2434
2435 new_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password);
2436 old_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password);
2437 if (new_owf_enc == NULL || old_owf_enc == NULL) {
2438 return NT_STATUS_NO_MEMORY;
2439 }
2440
2441 /* TODO: which trustAuth shall we use if we have in/out trust or do they have to
2442 * be equal ? */
2443 if (td->trust_direction & NETR_TRUST_FLAG_INBOUND) {
2444 trustAuth_blob = td->trust_auth_incoming;
2445 } else if (td->trust_direction & NETR_TRUST_FLAG_OUTBOUND) {
2446 trustAuth_blob = td->trust_auth_outgoing;
2447 }
2448
2449 session_key.data = creds->session_key;
2450 session_key.length = sizeof(creds->session_key);
2451 status = get_password_from_trustAuth(p->mem_ctx, &trustAuth_blob,
2452 &session_key,
2453 new_owf_enc, old_owf_enc);
2454
2455 if (!NT_STATUS_IS_OK(status)) {
2456 return status;
2457 }
2458
2459 r->out.new_owf_password = new_owf_enc;
2460 r->out.old_owf_password = old_owf_enc;
2461 } else {
2462 /* TODO: look for machine password */
2463 r->out.new_owf_password = NULL;
2464 r->out.old_owf_password = NULL;
2465
2466 return NT_STATUS_NOT_IMPLEMENTED;
2467 }
2468
2469 return NT_STATUS_OK;
2470 }
2471
2472 /****************************************************************
2473 ****************************************************************/
2474
2475 NTSTATUS _netr_Unused47(struct pipes_struct *p,
2476 struct netr_Unused47 *r)
2477 {
2478 p->rng_fault_state = true;
2479 return NT_STATUS_NOT_IMPLEMENTED;
2480 }
2481
2482 /****************************************************************
2483 ****************************************************************/
2484
2485 NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2486 struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2487 {
2488 p->rng_fault_state = true;
2489 return NT_STATUS_NOT_IMPLEMENTED;
2490 }