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s3-netlogon: use dsgetdcname() instead of get_dc_name()
[Samba/vl.git] / source3 / rpc_server / netlogon / srv_netlog_nt.c
blobfdbe9373a8767f9ef5e30ba5f2e517ded36b846a
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 "system/passwd.h" /* uid_wrapper */
29 #include "ntdomain.h"
30 #include "../libcli/auth/schannel.h"
31 #include "../librpc/gen_ndr/srv_netlogon.h"
32 #include "../librpc/gen_ndr/ndr_samr_c.h"
33 #include "../librpc/gen_ndr/ndr_lsa_c.h"
34 #include "rpc_client/cli_lsarpc.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 #include "../lib/tsocket/tsocket.h"
48 #include "lib/param/param.h"
49
50 extern userdom_struct current_user_info;
51
52 #undef DBGC_CLASS
53 #define DBGC_CLASS DBGC_RPC_SRV
54
55 struct netlogon_server_pipe_state {
56 struct netr_Credential client_challenge;
57 struct netr_Credential server_challenge;
58 };
59
60 /*************************************************************************
61 _netr_LogonControl
62 *************************************************************************/
63
64 WERROR _netr_LogonControl(struct pipes_struct *p,
65 struct netr_LogonControl *r)
66 {
67 struct netr_LogonControl2Ex l;
68
69 switch (r->in.level) {
70 case 1:
71 break;
72 case 2:
73 return WERR_NOT_SUPPORTED;
74 default:
75 return WERR_UNKNOWN_LEVEL;
76 }
77
78 l.in.logon_server = r->in.logon_server;
79 l.in.function_code = r->in.function_code;
80 l.in.level = r->in.level;
81 l.in.data = NULL;
82 l.out.query = r->out.query;
83
84 return _netr_LogonControl2Ex(p, &l);
85 }
86
87 /*************************************************************************
88 _netr_LogonControl2
89 *************************************************************************/
90
91 WERROR _netr_LogonControl2(struct pipes_struct *p,
92 struct netr_LogonControl2 *r)
93 {
94 struct netr_LogonControl2Ex l;
95
96 l.in.logon_server = r->in.logon_server;
97 l.in.function_code = r->in.function_code;
98 l.in.level = r->in.level;
99 l.in.data = r->in.data;
100 l.out.query = r->out.query;
101
102 return _netr_LogonControl2Ex(p, &l);
103 }
104
105 /*************************************************************************
106 *************************************************************************/
107
108 static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
109 {
110 wbcErr result;
111 struct wbcAuthErrorInfo *error = NULL;
112
113 result = wbcChangeTrustCredentials(domain, &error);
114 switch (result) {
115 case WBC_ERR_WINBIND_NOT_AVAILABLE:
116 return false;
117 case WBC_ERR_DOMAIN_NOT_FOUND:
118 *tc_status = WERR_NO_SUCH_DOMAIN;
119 return true;
120 case WBC_ERR_SUCCESS:
121 *tc_status = WERR_OK;
122 return true;
123 default:
124 break;
125 }
126
127 if (error && error->nt_status != 0) {
128 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
129 } else {
130 *tc_status = WERR_TRUST_FAILURE;
131 }
132 wbcFreeMemory(error);
133 return true;
134 }
135
136 /*************************************************************************
137 *************************************************************************/
138
139 static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
140 {
141 wbcErr result;
142 struct wbcAuthErrorInfo *error = NULL;
143
144 result = wbcCheckTrustCredentials(domain, &error);
145 switch (result) {
146 case WBC_ERR_WINBIND_NOT_AVAILABLE:
147 return false;
148 case WBC_ERR_DOMAIN_NOT_FOUND:
149 *tc_status = WERR_NO_SUCH_DOMAIN;
150 return true;
151 case WBC_ERR_SUCCESS:
152 *tc_status = WERR_OK;
153 return true;
154 default:
155 break;
156 }
157
158 if (error && error->nt_status != 0) {
159 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
160 } else {
161 *tc_status = WERR_TRUST_FAILURE;
162 }
163 wbcFreeMemory(error);
164 return true;
165 }
166
167 /****************************************************************
168 _netr_LogonControl2Ex
169 ****************************************************************/
170
171 WERROR _netr_LogonControl2Ex(struct pipes_struct *p,
172 struct netr_LogonControl2Ex *r)
173 {
174 uint32_t flags = 0x0;
175 WERROR pdc_connection_status = WERR_OK;
176 uint32_t logon_attempts = 0x0;
177 WERROR tc_status;
178 fstring dc_name2;
179 const char *dc_name = NULL;
180 struct sockaddr_storage dc_ss;
181 const char *domain = NULL;
182 struct netr_NETLOGON_INFO_1 *info1;
183 struct netr_NETLOGON_INFO_2 *info2;
184 struct netr_NETLOGON_INFO_3 *info3;
185 struct netr_NETLOGON_INFO_4 *info4;
186 const char *fn;
187 uint32_t acct_ctrl;
188 NTSTATUS status;
189 struct netr_DsRGetDCNameInfo *dc_info;
190
191 switch (p->opnum) {
192 case NDR_NETR_LOGONCONTROL:
193 fn = "_netr_LogonControl";
194 break;
195 case NDR_NETR_LOGONCONTROL2:
196 fn = "_netr_LogonControl2";
197 break;
198 case NDR_NETR_LOGONCONTROL2EX:
199 fn = "_netr_LogonControl2Ex";
200 break;
201 default:
202 return WERR_INVALID_PARAM;
203 }
204
205 acct_ctrl = p->session_info->info->acct_flags;
206
207 switch (r->in.function_code) {
208 case NETLOGON_CONTROL_TC_VERIFY:
209 case NETLOGON_CONTROL_CHANGE_PASSWORD:
210 case NETLOGON_CONTROL_REDISCOVER:
211 if ((geteuid() != sec_initial_uid()) &&
212 !nt_token_check_domain_rid(p->session_info->security_token, DOMAIN_RID_ADMINS) &&
213 !nt_token_check_sid(&global_sid_Builtin_Administrators, p->session_info->security_token) &&
214 !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
215 return WERR_ACCESS_DENIED;
216 }
217 break;
218 default:
219 break;
220 }
221
222 tc_status = WERR_NO_SUCH_DOMAIN;
223
224 switch (r->in.function_code) {
225 case NETLOGON_CONTROL_QUERY:
226 tc_status = WERR_OK;
227 break;
228 case NETLOGON_CONTROL_REPLICATE:
229 case NETLOGON_CONTROL_SYNCHRONIZE:
230 case NETLOGON_CONTROL_PDC_REPLICATE:
231 case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
232 case NETLOGON_CONTROL_BREAKPOINT:
233 if (acct_ctrl & ACB_NORMAL) {
234 return WERR_NOT_SUPPORTED;
235 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
236 return WERR_ACCESS_DENIED;
237 } else {
238 return WERR_ACCESS_DENIED;
239 }
240 case NETLOGON_CONTROL_TRUNCATE_LOG:
241 if (acct_ctrl & ACB_NORMAL) {
242 break;
243 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
244 return WERR_ACCESS_DENIED;
245 } else {
246 return WERR_ACCESS_DENIED;
247 }
248
249 case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
250 case NETLOGON_CONTROL_FORCE_DNS_REG:
251 case NETLOGON_CONTROL_QUERY_DNS_REG:
252 return WERR_NOT_SUPPORTED;
253 case NETLOGON_CONTROL_FIND_USER:
254 if (!r->in.data || !r->in.data->user) {
255 return WERR_NOT_SUPPORTED;
256 }
257 break;
258 case NETLOGON_CONTROL_SET_DBFLAG:
259 if (!r->in.data) {
260 return WERR_NOT_SUPPORTED;
261 }
262 break;
263 case NETLOGON_CONTROL_TC_VERIFY:
264 if (!r->in.data || !r->in.data->domain) {
265 return WERR_NOT_SUPPORTED;
266 }
267
268 if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
269 return WERR_NOT_SUPPORTED;
270 }
271 break;
272 case NETLOGON_CONTROL_TC_QUERY:
273 if (!r->in.data || !r->in.data->domain) {
274 return WERR_NOT_SUPPORTED;
275 }
276
277 domain = r->in.data->domain;
278
279 if (!is_trusted_domain(domain)) {
280 break;
281 }
282
283 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
284 tc_status = WERR_NO_LOGON_SERVERS;
285 break;
286 }
287
288 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
289 if (!dc_name) {
290 return WERR_NOMEM;
291 }
292
293 tc_status = WERR_OK;
294
295 break;
296
297 case NETLOGON_CONTROL_REDISCOVER:
298 if (!r->in.data || !r->in.data->domain) {
299 return WERR_NOT_SUPPORTED;
300 }
301
302 domain = r->in.data->domain;
303
304 if (!is_trusted_domain(domain)) {
305 break;
306 }
307
308 status = dsgetdcname(p->mem_ctx, p->msg_ctx, domain, NULL, NULL,
309 DS_FORCE_REDISCOVERY | DS_RETURN_FLAT_NAME,
310 &dc_info);
311 if (!NT_STATUS_IS_OK(status)) {
312 tc_status = WERR_NO_LOGON_SERVERS;
313 break;
314 }
315
316 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_info->dc_unc);
317 if (!dc_name) {
318 return WERR_NOMEM;
319 }
320
321 tc_status = WERR_OK;
322
323 break;
324
325 case NETLOGON_CONTROL_CHANGE_PASSWORD:
326 if (!r->in.data || !r->in.data->domain) {
327 return WERR_NOT_SUPPORTED;
328 }
329
330 if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
331 return WERR_NOT_SUPPORTED;
332 }
333 break;
334
335 default:
336 /* no idea what this should be */
337 DEBUG(0,("%s: unimplemented function level [%d]\n",
338 fn, r->in.function_code));
339 return WERR_UNKNOWN_LEVEL;
340 }
341
342 /* prepare the response */
343
344 switch (r->in.level) {
345 case 1:
346 info1 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_1);
347 W_ERROR_HAVE_NO_MEMORY(info1);
348
349 info1->flags = flags;
350 info1->pdc_connection_status = pdc_connection_status;
351
352 r->out.query->info1 = info1;
353 break;
354 case 2:
355 info2 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_2);
356 W_ERROR_HAVE_NO_MEMORY(info2);
357
358 info2->flags = flags;
359 info2->pdc_connection_status = pdc_connection_status;
360 info2->trusted_dc_name = dc_name;
361 info2->tc_connection_status = tc_status;
362
363 r->out.query->info2 = info2;
364 break;
365 case 3:
366 info3 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_3);
367 W_ERROR_HAVE_NO_MEMORY(info3);
368
369 info3->flags = flags;
370 info3->logon_attempts = logon_attempts;
371
372 r->out.query->info3 = info3;
373 break;
374 case 4:
375 info4 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_4);
376 W_ERROR_HAVE_NO_MEMORY(info4);
377
378 info4->trusted_dc_name = dc_name;
379 info4->trusted_domain_name = r->in.data->domain;
380
381 r->out.query->info4 = info4;
382 break;
383 default:
384 return WERR_UNKNOWN_LEVEL;
385 }
386
387 return WERR_OK;
388 }
389
390 /*************************************************************************
391 _netr_NetrEnumerateTrustedDomains
392 *************************************************************************/
393
394 NTSTATUS _netr_NetrEnumerateTrustedDomains(struct pipes_struct *p,
395 struct netr_NetrEnumerateTrustedDomains *r)
396 {
397 NTSTATUS status;
398 NTSTATUS result = NT_STATUS_OK;
399 DATA_BLOB blob;
400 int num_domains = 0;
401 const char **trusted_domains = NULL;
402 struct lsa_DomainList domain_list;
403 struct dcerpc_binding_handle *h = NULL;
404 struct policy_handle pol;
405 uint32_t enum_ctx = 0;
406 int i;
407 uint32_t max_size = (uint32_t)-1;
408
409 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
410
411 status = rpcint_binding_handle(p->mem_ctx,
412 &ndr_table_lsarpc,
413 p->remote_address,
414 p->session_info,
415 p->msg_ctx,
416 &h);
417 if (!NT_STATUS_IS_OK(status)) {
418 return status;
419 }
420
421 status = dcerpc_lsa_open_policy2(h,
422 p->mem_ctx,
423 NULL,
424 true,
425 LSA_POLICY_VIEW_LOCAL_INFORMATION,
426 &pol,
427 &result);
428 if (!NT_STATUS_IS_OK(status)) {
429 goto out;
430 }
431 if (!NT_STATUS_IS_OK(result)) {
432 status = result;
433 goto out;
434 }
435
436 do {
437 /* Lookup list of trusted domains */
438 status = dcerpc_lsa_EnumTrustDom(h,
439 p->mem_ctx,
440 &pol,
441 &enum_ctx,
442 &domain_list,
443 max_size,
444 &result);
445 if (!NT_STATUS_IS_OK(status)) {
446 goto out;
447 }
448 if (!NT_STATUS_IS_OK(result) &&
449 !NT_STATUS_EQUAL(result, NT_STATUS_NO_MORE_ENTRIES) &&
450 !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
451 status = result;
452 goto out;
453 }
454
455 for (i = 0; i < domain_list.count; i++) {
456 if (!add_string_to_array(p->mem_ctx, domain_list.domains[i].name.string,
457 &trusted_domains, &num_domains)) {
458 status = NT_STATUS_NO_MEMORY;
459 goto out;
460 }
461 }
462 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
463
464 if (num_domains > 0) {
465 /* multi sz terminate */
466 trusted_domains = talloc_realloc(p->mem_ctx, trusted_domains, const char *, num_domains + 1);
467 if (trusted_domains == NULL) {
468 status = NT_STATUS_NO_MEMORY;
469 goto out;
470 }
471
472 trusted_domains[num_domains] = NULL;
473 }
474
475 if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
476 TALLOC_FREE(trusted_domains);
477 status = NT_STATUS_NO_MEMORY;
478 goto out;
479 }
480
481 r->out.trusted_domains_blob->data = blob.data;
482 r->out.trusted_domains_blob->length = blob.length;
483
484 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
485
486 status = NT_STATUS_OK;
487
488 out:
489 if (is_valid_policy_hnd(&pol)) {
490 dcerpc_lsa_Close(h, p->mem_ctx, &pol, &result);
491 }
492
493 return status;
494 }
495
496 /*************************************************************************
497 *************************************************************************/
498
499 static NTSTATUS samr_find_machine_account(TALLOC_CTX *mem_ctx,
500 struct dcerpc_binding_handle *b,
501 const char *account_name,
502 uint32_t access_mask,
503 struct dom_sid2 **domain_sid_p,
504 uint32_t *user_rid_p,
505 struct policy_handle *user_handle)
506 {
507 NTSTATUS status;
508 NTSTATUS result = NT_STATUS_OK;
509 struct policy_handle connect_handle, domain_handle;
510 struct lsa_String domain_name;
511 struct dom_sid2 *domain_sid;
512 struct lsa_String names;
513 struct samr_Ids rids;
514 struct samr_Ids types;
515 uint32_t rid;
516
517 status = dcerpc_samr_Connect2(b, mem_ctx,
518 lp_netbios_name(),
519 SAMR_ACCESS_CONNECT_TO_SERVER |
520 SAMR_ACCESS_ENUM_DOMAINS |
521 SAMR_ACCESS_LOOKUP_DOMAIN,
522 &connect_handle,
523 &result);
524 if (!NT_STATUS_IS_OK(status)) {
525 goto out;
526 }
527 if (!NT_STATUS_IS_OK(result)) {
528 status = result;
529 goto out;
530 }
531
532 init_lsa_String(&domain_name, get_global_sam_name());
533
534 status = dcerpc_samr_LookupDomain(b, mem_ctx,
535 &connect_handle,
536 &domain_name,
537 &domain_sid,
538 &result);
539 if (!NT_STATUS_IS_OK(status)) {
540 goto out;
541 }
542 if (!NT_STATUS_IS_OK(result)) {
543 status = result;
544 goto out;
545 }
546
547 status = dcerpc_samr_OpenDomain(b, mem_ctx,
548 &connect_handle,
549 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
550 domain_sid,
551 &domain_handle,
552 &result);
553 if (!NT_STATUS_IS_OK(status)) {
554 goto out;
555 }
556 if (!NT_STATUS_IS_OK(result)) {
557 status = result;
558 goto out;
559 }
560
561 init_lsa_String(&names, account_name);
562
563 status = dcerpc_samr_LookupNames(b, mem_ctx,
564 &domain_handle,
565 1,
566 &names,
567 &rids,
568 &types,
569 &result);
570 if (!NT_STATUS_IS_OK(status)) {
571 goto out;
572 }
573 if (!NT_STATUS_IS_OK(result)) {
574 status = result;
575 goto out;
576 }
577
578 if (rids.count != 1) {
579 status = NT_STATUS_NO_SUCH_USER;
580 goto out;
581 }
582 if (rids.count != types.count) {
583 status = NT_STATUS_INVALID_PARAMETER;
584 goto out;
585 }
586 if (types.ids[0] != SID_NAME_USER) {
587 status = NT_STATUS_NO_SUCH_USER;
588 goto out;
589 }
590
591 rid = rids.ids[0];
592
593 status = dcerpc_samr_OpenUser(b, mem_ctx,
594 &domain_handle,
595 access_mask,
596 rid,
597 user_handle,
598 &result);
599 if (!NT_STATUS_IS_OK(status)) {
600 goto out;
601 }
602 if (!NT_STATUS_IS_OK(result)) {
603 status = result;
604 goto out;
605 }
606
607 if (user_rid_p) {
608 *user_rid_p = rid;
609 }
610
611 if (domain_sid_p) {
612 *domain_sid_p = domain_sid;
613 }
614
615 out:
616 if (is_valid_policy_hnd(&domain_handle)) {
617 dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
618 }
619 if (is_valid_policy_hnd(&connect_handle)) {
620 dcerpc_samr_Close(b, mem_ctx, &connect_handle, &result);
621 }
622
623 return status;
624 }
625
626 /******************************************************************
627 gets a machine password entry. checks access rights of the host.
628 ******************************************************************/
629
630 static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
631 enum netr_SchannelType sec_chan_type,
632 struct dom_sid *sid,
633 struct messaging_context *msg_ctx)
634 {
635 NTSTATUS status;
636 NTSTATUS result = NT_STATUS_OK;
637 TALLOC_CTX *mem_ctx;
638 struct dcerpc_binding_handle *h = NULL;
639 struct tsocket_address *local;
640 struct policy_handle user_handle;
641 uint32_t user_rid;
642 struct dom_sid *domain_sid;
643 uint32_t acct_ctrl;
644 union samr_UserInfo *info;
645 struct auth_session_info *session_info;
646 int rc;
647
648 #if 0
649
650 /*
651 * Currently this code is redundent as we already have a filter
652 * by hostname list. What this code really needs to do is to
653 * get a hosts allowed/hosts denied list from the SAM database
654 * on a per user basis, and make the access decision there.
655 * I will leave this code here for now as a reminder to implement
656 * this at a later date. JRA.
657 */
658
659 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
660 p->client_id.name,
661 p->client_id.addr)) {
662 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
663 return False;
664 }
665 #endif /* 0 */
666
667 mem_ctx = talloc_stackframe();
668 if (mem_ctx == NULL) {
669 status = NT_STATUS_NO_MEMORY;
670 goto out;
671 }
672
673 status = make_session_info_system(mem_ctx, &session_info);
674 if (!NT_STATUS_IS_OK(status)) {
675 goto out;
676 }
677
678 ZERO_STRUCT(user_handle);
679
680 rc = tsocket_address_inet_from_strings(mem_ctx,
681 "ip",
682 "127.0.0.1",
683 0,
684 &local);
685 if (rc < 0) {
686 status = NT_STATUS_NO_MEMORY;
687 goto out;
688 }
689
690 status = rpcint_binding_handle(mem_ctx,
691 &ndr_table_samr,
692 local,
693 session_info,
694 msg_ctx,
695 &h);
696 if (!NT_STATUS_IS_OK(status)) {
697 goto out;
698 }
699
700 become_root();
701 status = samr_find_machine_account(mem_ctx, h, mach_acct,
702 SEC_FLAG_MAXIMUM_ALLOWED,
703 &domain_sid, &user_rid,
704 &user_handle);
705 unbecome_root();
706 if (!NT_STATUS_IS_OK(status)) {
707 goto out;
708 }
709
710 status = dcerpc_samr_QueryUserInfo2(h,
711 mem_ctx,
712 &user_handle,
713 UserControlInformation,
714 &info,
715 &result);
716 if (!NT_STATUS_IS_OK(status)) {
717 goto out;
718 }
719 if (!NT_STATUS_IS_OK(result)) {
720 status = result;
721 goto out;
722 }
723
724 acct_ctrl = info->info16.acct_flags;
725
726 if (acct_ctrl & ACB_DISABLED) {
727 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
728 status = NT_STATUS_ACCOUNT_DISABLED;
729 goto out;
730 }
731
732 if (!(acct_ctrl & ACB_SVRTRUST) &&
733 !(acct_ctrl & ACB_WSTRUST) &&
734 !(acct_ctrl & ACB_DOMTRUST))
735 {
736 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
737 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
738 goto out;
739 }
740
741 switch (sec_chan_type) {
742 case SEC_CHAN_BDC:
743 if (!(acct_ctrl & ACB_SVRTRUST)) {
744 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
745 "but not a server trust account\n", mach_acct));
746 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
747 goto out;
748 }
749 break;
750 case SEC_CHAN_WKSTA:
751 if (!(acct_ctrl & ACB_WSTRUST)) {
752 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
753 "but not a workstation trust account\n", mach_acct));
754 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
755 goto out;
756 }
757 break;
758 case SEC_CHAN_DOMAIN:
759 if (!(acct_ctrl & ACB_DOMTRUST)) {
760 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
761 "but not a interdomain trust account\n", mach_acct));
762 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
763 goto out;
764 }
765 break;
766 default:
767 break;
768 }
769
770 become_root();
771 status = dcerpc_samr_QueryUserInfo2(h,
772 mem_ctx,
773 &user_handle,
774 UserInternal1Information,
775 &info,
776 &result);
777 unbecome_root();
778 if (!NT_STATUS_IS_OK(status)) {
779 goto out;
780 }
781 if (!NT_STATUS_IS_OK(result)) {
782 status = result;
783 goto out;
784 }
785
786 if (info->info18.nt_pwd_active == 0) {
787 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
788 status = NT_STATUS_LOGON_FAILURE;
789 goto out;
790 }
791
792 /* samr gives out nthash unencrypted (!) */
793 memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
794
795 sid_compose(sid, domain_sid, user_rid);
796
797 out:
798 if (h && is_valid_policy_hnd(&user_handle)) {
799 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
800 }
801
802 talloc_free(mem_ctx);
803
804 return status;
805 }
806
807 /*************************************************************************
808 _netr_ServerReqChallenge
809 *************************************************************************/
810
811 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
812 struct netr_ServerReqChallenge *r)
813 {
814 struct netlogon_server_pipe_state *pipe_state =
815 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
816
817 if (pipe_state) {
818 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
819 talloc_free(pipe_state);
820 p->private_data = NULL;
821 }
822
823 pipe_state = talloc(p, struct netlogon_server_pipe_state);
824 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
825
826 pipe_state->client_challenge = *r->in.credentials;
827
828 generate_random_buffer(pipe_state->server_challenge.data,
829 sizeof(pipe_state->server_challenge.data));
830
831 *r->out.return_credentials = pipe_state->server_challenge;
832
833 p->private_data = pipe_state;
834
835 return NT_STATUS_OK;
836 }
837
838 /*************************************************************************
839 _netr_ServerAuthenticate
840 Create the initial credentials.
841 *************************************************************************/
842
843 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
844 struct netr_ServerAuthenticate *r)
845 {
846 struct netr_ServerAuthenticate3 a;
847 uint32_t negotiate_flags = 0;
848 uint32_t rid;
849
850 a.in.server_name = r->in.server_name;
851 a.in.account_name = r->in.account_name;
852 a.in.secure_channel_type = r->in.secure_channel_type;
853 a.in.computer_name = r->in.computer_name;
854 a.in.credentials = r->in.credentials;
855 a.in.negotiate_flags = &negotiate_flags;
856
857 a.out.return_credentials = r->out.return_credentials;
858 a.out.rid = &rid;
859 a.out.negotiate_flags = &negotiate_flags;
860
861 return _netr_ServerAuthenticate3(p, &a);
862
863 }
864
865 /*************************************************************************
866 _netr_ServerAuthenticate3
867 *************************************************************************/
868
869 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
870 struct netr_ServerAuthenticate3 *r)
871 {
872 NTSTATUS status;
873 uint32_t srv_flgs;
874 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
875 * so use a copy to avoid destroying the client values. */
876 uint32_t in_neg_flags = *r->in.negotiate_flags;
877 const char *fn;
878 struct loadparm_context *lp_ctx;
879 struct dom_sid sid;
880 struct samr_Password mach_pwd;
881 struct netlogon_creds_CredentialState *creds;
882 struct netlogon_server_pipe_state *pipe_state =
883 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
884
885 /* According to Microsoft (see bugid #6099)
886 * Windows 7 looks at the negotiate_flags
887 * returned in this structure *even if the
888 * call fails with access denied* ! So in order
889 * to allow Win7 to connect to a Samba NT style
890 * PDC we set the flags before we know if it's
891 * an error or not.
892 */
893
894 /* 0x000001ff */
895 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
896 NETLOGON_NEG_PERSISTENT_SAMREPL |
897 NETLOGON_NEG_ARCFOUR |
898 NETLOGON_NEG_PROMOTION_COUNT |
899 NETLOGON_NEG_CHANGELOG_BDC |
900 NETLOGON_NEG_FULL_SYNC_REPL |
901 NETLOGON_NEG_MULTIPLE_SIDS |
902 NETLOGON_NEG_REDO |
903 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
904 NETLOGON_NEG_PASSWORD_SET2;
905
906 /* Ensure we support strong (128-bit) keys. */
907 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
908 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
909 }
910
911 if (lp_server_schannel() != false) {
912 srv_flgs |= NETLOGON_NEG_SCHANNEL;
913 }
914
915 /*
916 * Support authenticaten of trusted domains.
917 *
918 * These flags are the minimum required set which works with win2k3
919 * and win2k8.
920 */
921 if (pdb_capabilities() & PDB_CAP_TRUSTED_DOMAINS_EX) {
922 srv_flgs |= NETLOGON_NEG_TRANSITIVE_TRUSTS |
923 NETLOGON_NEG_DNS_DOMAIN_TRUSTS |
924 NETLOGON_NEG_CROSS_FOREST_TRUSTS |
925 NETLOGON_NEG_NEUTRALIZE_NT4_EMULATION;
926 }
927
928 switch (p->opnum) {
929 case NDR_NETR_SERVERAUTHENTICATE:
930 fn = "_netr_ServerAuthenticate";
931 break;
932 case NDR_NETR_SERVERAUTHENTICATE2:
933 fn = "_netr_ServerAuthenticate2";
934 break;
935 case NDR_NETR_SERVERAUTHENTICATE3:
936 fn = "_netr_ServerAuthenticate3";
937 break;
938 default:
939 return NT_STATUS_INTERNAL_ERROR;
940 }
941
942 /* We use this as the key to store the creds: */
943 /* r->in.computer_name */
944
945 if (!pipe_state) {
946 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
947 r->in.computer_name));
948 status = NT_STATUS_ACCESS_DENIED;
949 goto out;
950 }
951
952 if ( (lp_server_schannel() == true) &&
953 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
954
955 /* schannel must be used, but client did not offer it. */
956 DEBUG(0,("%s: schannel required but client failed "
957 "to offer it. Client was %s\n",
958 fn, r->in.account_name));
959 status = NT_STATUS_ACCESS_DENIED;
960 goto out;
961 }
962
963 status = get_md4pw(&mach_pwd,
964 r->in.account_name,
965 r->in.secure_channel_type,
966 &sid, p->msg_ctx);
967 if (!NT_STATUS_IS_OK(status)) {
968 DEBUG(0,("%s: failed to get machine password for "
969 "account %s: %s\n",
970 fn, r->in.account_name, nt_errstr(status) ));
971 /* always return NT_STATUS_ACCESS_DENIED */
972 status = NT_STATUS_ACCESS_DENIED;
973 goto out;
974 }
975
976 /* From the client / server challenges and md4 password, generate sess key */
977 /* Check client credentials are valid. */
978 creds = netlogon_creds_server_init(p->mem_ctx,
979 r->in.account_name,
980 r->in.computer_name,
981 r->in.secure_channel_type,
982 &pipe_state->client_challenge,
983 &pipe_state->server_challenge,
984 &mach_pwd,
985 r->in.credentials,
986 r->out.return_credentials,
987 srv_flgs);
988 if (!creds) {
989 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
990 "request from client %s machine account %s\n",
991 fn, r->in.computer_name,
992 r->in.account_name));
993 status = NT_STATUS_ACCESS_DENIED;
994 goto out;
995 }
996
997 creds->sid = dom_sid_dup(creds, &sid);
998 if (!creds->sid) {
999 status = NT_STATUS_NO_MEMORY;
1000 goto out;
1001 }
1002
1003 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_context());
1004 if (lp_ctx == NULL) {
1005 DEBUG(10, ("loadparm_init_s3 failed\n"));
1006 status = NT_STATUS_INTERNAL_ERROR;
1007 goto out;
1008 }
1009
1010 /* Store off the state so we can continue after client disconnect. */
1011 become_root();
1012 status = schannel_save_creds_state(p->mem_ctx, lp_ctx, creds);
1013 unbecome_root();
1014
1015 talloc_unlink(p->mem_ctx, lp_ctx);
1016
1017 if (!NT_STATUS_IS_OK(status)) {
1018 goto out;
1019 }
1020
1021 sid_peek_rid(&sid, r->out.rid);
1022
1023 status = NT_STATUS_OK;
1024
1025 out:
1026
1027 *r->out.negotiate_flags = srv_flgs;
1028 return status;
1029 }
1030
1031 /*************************************************************************
1032 _netr_ServerAuthenticate2
1033 *************************************************************************/
1034
1035 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1036 struct netr_ServerAuthenticate2 *r)
1037 {
1038 struct netr_ServerAuthenticate3 a;
1039 uint32_t rid;
1040
1041 a.in.server_name = r->in.server_name;
1042 a.in.account_name = r->in.account_name;
1043 a.in.secure_channel_type = r->in.secure_channel_type;
1044 a.in.computer_name = r->in.computer_name;
1045 a.in.credentials = r->in.credentials;
1046 a.in.negotiate_flags = r->in.negotiate_flags;
1047
1048 a.out.return_credentials = r->out.return_credentials;
1049 a.out.rid = &rid;
1050 a.out.negotiate_flags = r->out.negotiate_flags;
1051
1052 return _netr_ServerAuthenticate3(p, &a);
1053 }
1054
1055 /*************************************************************************
1056 * If schannel is required for this call test that it actually is available.
1057 *************************************************************************/
1058 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
1059 const char *computer_name,
1060 bool integrity, bool privacy)
1061 {
1062 if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1063 if (!privacy && !integrity) {
1064 return NT_STATUS_OK;
1065 }
1066
1067 if ((!privacy && integrity) &&
1068 auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
1069 return NT_STATUS_OK;
1070 }
1071
1072 if ((privacy || integrity) &&
1073 auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
1074 return NT_STATUS_OK;
1075 }
1076 }
1077
1078 /* test didn't pass */
1079 DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
1080 computer_name));
1081
1082 return NT_STATUS_ACCESS_DENIED;
1083 }
1084
1085 /*************************************************************************
1086 *************************************************************************/
1087
1088 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1089 TALLOC_CTX *mem_ctx,
1090 const char *computer_name,
1091 struct netr_Authenticator *received_authenticator,
1092 struct netr_Authenticator *return_authenticator,
1093 struct netlogon_creds_CredentialState **creds_out)
1094 {
1095 NTSTATUS status;
1096 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1097 struct loadparm_context *lp_ctx;
1098
1099 if (schannel_global_required) {
1100 status = schannel_check_required(&p->auth,
1101 computer_name,
1102 false, false);
1103 if (!NT_STATUS_IS_OK(status)) {
1104 return status;
1105 }
1106 }
1107
1108 lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_context());
1109 if (lp_ctx == NULL) {
1110 DEBUG(0, ("loadparm_init_s3 failed\n"));
1111 return NT_STATUS_INTERNAL_ERROR;
1112 }
1113
1114 status = schannel_check_creds_state(mem_ctx, lp_ctx,
1115 computer_name, received_authenticator,
1116 return_authenticator, creds_out);
1117 talloc_unlink(mem_ctx, lp_ctx);
1118 return status;
1119 }
1120
1121 /*************************************************************************
1122 *************************************************************************/
1123
1124 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1125 struct auth_session_info *session_info,
1126 struct messaging_context *msg_ctx,
1127 const char *account_name,
1128 struct samr_Password *nt_hash)
1129 {
1130 NTSTATUS status;
1131 NTSTATUS result = NT_STATUS_OK;
1132 struct dcerpc_binding_handle *h = NULL;
1133 struct tsocket_address *local;
1134 struct policy_handle user_handle;
1135 uint32_t acct_ctrl;
1136 union samr_UserInfo *info;
1137 struct samr_UserInfo18 info18;
1138 DATA_BLOB in,out;
1139 int rc;
1140
1141 ZERO_STRUCT(user_handle);
1142
1143 rc = tsocket_address_inet_from_strings(mem_ctx,
1144 "ip",
1145 "127.0.0.1",
1146 0,
1147 &local);
1148 if (rc < 0) {
1149 status = NT_STATUS_NO_MEMORY;
1150 goto out;
1151 }
1152
1153 status = rpcint_binding_handle(mem_ctx,
1154 &ndr_table_samr,
1155 local,
1156 session_info,
1157 msg_ctx,
1158 &h);
1159 if (!NT_STATUS_IS_OK(status)) {
1160 goto out;
1161 }
1162
1163 become_root();
1164 status = samr_find_machine_account(mem_ctx,
1165 h,
1166 account_name,
1167 SEC_FLAG_MAXIMUM_ALLOWED,
1168 NULL,
1169 NULL,
1170 &user_handle);
1171 unbecome_root();
1172 if (!NT_STATUS_IS_OK(status)) {
1173 goto out;
1174 }
1175
1176 status = dcerpc_samr_QueryUserInfo2(h,
1177 mem_ctx,
1178 &user_handle,
1179 UserControlInformation,
1180 &info,
1181 &result);
1182 if (!NT_STATUS_IS_OK(status)) {
1183 goto out;
1184 }
1185 if (!NT_STATUS_IS_OK(result)) {
1186 status = result;
1187 goto out;
1188 }
1189
1190 acct_ctrl = info->info16.acct_flags;
1191
1192 if (!(acct_ctrl & ACB_WSTRUST ||
1193 acct_ctrl & ACB_SVRTRUST ||
1194 acct_ctrl & ACB_DOMTRUST)) {
1195 status = NT_STATUS_NO_SUCH_USER;
1196 goto out;
1197 }
1198
1199 if (acct_ctrl & ACB_DISABLED) {
1200 status = NT_STATUS_ACCOUNT_DISABLED;
1201 goto out;
1202 }
1203
1204 ZERO_STRUCT(info18);
1205
1206 in = data_blob_const(nt_hash->hash, 16);
1207 out = data_blob_talloc_zero(mem_ctx, 16);
1208 sess_crypt_blob(&out, &in, &session_info->session_key, true);
1209 memcpy(info18.nt_pwd.hash, out.data, out.length);
1210
1211 info18.nt_pwd_active = true;
1212
1213 info->info18 = info18;
1214
1215 become_root();
1216 status = dcerpc_samr_SetUserInfo2(h,
1217 mem_ctx,
1218 &user_handle,
1219 UserInternal1Information,
1220 info,
1221 &result);
1222 unbecome_root();
1223 if (!NT_STATUS_IS_OK(status)) {
1224 goto out;
1225 }
1226 if (!NT_STATUS_IS_OK(result)) {
1227 status = result;
1228 goto out;
1229 }
1230
1231 out:
1232 if (h && is_valid_policy_hnd(&user_handle)) {
1233 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
1234 }
1235
1236 return status;
1237 }
1238
1239 /*************************************************************************
1240 _netr_ServerPasswordSet
1241 *************************************************************************/
1242
1243 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1244 struct netr_ServerPasswordSet *r)
1245 {
1246 NTSTATUS status = NT_STATUS_OK;
1247 int i;
1248 struct netlogon_creds_CredentialState *creds;
1249
1250 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1251
1252 become_root();
1253 status = netr_creds_server_step_check(p, p->mem_ctx,
1254 r->in.computer_name,
1255 r->in.credential,
1256 r->out.return_authenticator,
1257 &creds);
1258 unbecome_root();
1259
1260 if (!NT_STATUS_IS_OK(status)) {
1261 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1262 "request from client %s machine account %s\n",
1263 r->in.computer_name, creds->computer_name));
1264 TALLOC_FREE(creds);
1265 return status;
1266 }
1267
1268 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1269 r->in.computer_name, creds->computer_name));
1270
1271 netlogon_creds_des_decrypt(creds, r->in.new_password);
1272
1273 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1274 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1275 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1276 DEBUG(100,("\n"));
1277
1278 status = netr_set_machine_account_password(p->mem_ctx,
1279 p->session_info,
1280 p->msg_ctx,
1281 creds->account_name,
1282 r->in.new_password);
1283 return status;
1284 }
1285
1286 /****************************************************************
1287 _netr_ServerPasswordSet2
1288 ****************************************************************/
1289
1290 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1291 struct netr_ServerPasswordSet2 *r)
1292 {
1293 NTSTATUS status;
1294 struct netlogon_creds_CredentialState *creds = NULL;
1295 DATA_BLOB plaintext;
1296 struct samr_CryptPassword password_buf;
1297 struct samr_Password nt_hash;
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 if (!NT_STATUS_IS_OK(status)) {
1308 const char *computer_name = "<unknown>";
1309
1310 if (creds && creds->computer_name) {
1311 computer_name = creds->computer_name;
1312 }
1313 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1314 "failed. Rejecting auth request from client %s machine account %s\n",
1315 r->in.computer_name, computer_name));
1316 TALLOC_FREE(creds);
1317 return status;
1318 }
1319
1320 memcpy(password_buf.data, r->in.new_password->data, 512);
1321 SIVAL(password_buf.data, 512, r->in.new_password->length);
1322 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1323
1324 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1325 TALLOC_FREE(creds);
1326 return NT_STATUS_WRONG_PASSWORD;
1327 }
1328
1329 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1330
1331 status = netr_set_machine_account_password(p->mem_ctx,
1332 p->session_info,
1333 p->msg_ctx,
1334 creds->account_name,
1335 &nt_hash);
1336 TALLOC_FREE(creds);
1337 return status;
1338 }
1339
1340 /*************************************************************************
1341 _netr_LogonSamLogoff
1342 *************************************************************************/
1343
1344 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1345 struct netr_LogonSamLogoff *r)
1346 {
1347 NTSTATUS status;
1348 struct netlogon_creds_CredentialState *creds;
1349
1350 become_root();
1351 status = netr_creds_server_step_check(p, p->mem_ctx,
1352 r->in.computer_name,
1353 r->in.credential,
1354 r->out.return_authenticator,
1355 &creds);
1356 unbecome_root();
1357
1358 return status;
1359 }
1360
1361 static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1362 {
1363 switch (r->in.logon_level) {
1364 case NetlogonInteractiveInformation:
1365 case NetlogonServiceInformation:
1366 case NetlogonInteractiveTransitiveInformation:
1367 case NetlogonServiceTransitiveInformation:
1368 if (r->in.logon->password == NULL) {
1369 return NT_STATUS_INVALID_PARAMETER;
1370 }
1371
1372 switch (r->in.validation_level) {
1373 case NetlogonValidationSamInfo: /* 2 */
1374 case NetlogonValidationSamInfo2: /* 3 */
1375 break;
1376 case NetlogonValidationSamInfo4: /* 6 */
1377 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1378 DEBUG(10,("Not adding validation info level 6 "
1379 "without ADS passdb backend\n"));
1380 return NT_STATUS_INVALID_INFO_CLASS;
1381 }
1382 break;
1383 default:
1384 return NT_STATUS_INVALID_INFO_CLASS;
1385 }
1386
1387 break;
1388 case NetlogonNetworkInformation:
1389 case NetlogonNetworkTransitiveInformation:
1390 if (r->in.logon->network == NULL) {
1391 return NT_STATUS_INVALID_PARAMETER;
1392 }
1393
1394 switch (r->in.validation_level) {
1395 case NetlogonValidationSamInfo: /* 2 */
1396 case NetlogonValidationSamInfo2: /* 3 */
1397 break;
1398 case NetlogonValidationSamInfo4: /* 6 */
1399 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1400 DEBUG(10,("Not adding validation info level 6 "
1401 "without ADS passdb backend\n"));
1402 return NT_STATUS_INVALID_INFO_CLASS;
1403 }
1404 break;
1405 default:
1406 return NT_STATUS_INVALID_INFO_CLASS;
1407 }
1408
1409 break;
1410
1411 case NetlogonGenericInformation:
1412 if (r->in.logon->generic == NULL) {
1413 return NT_STATUS_INVALID_PARAMETER;
1414 }
1415
1416 /* we don't support this here */
1417 return NT_STATUS_INVALID_PARAMETER;
1418 #if 0
1419 switch (r->in.validation_level) {
1420 /* TODO: case NetlogonValidationGenericInfo: 4 */
1421 case NetlogonValidationGenericInfo2: /* 5 */
1422 break;
1423 default:
1424 return NT_STATUS_INVALID_INFO_CLASS;
1425 }
1426
1427 break;
1428 #endif
1429 default:
1430 return NT_STATUS_INVALID_PARAMETER;
1431 }
1432
1433 return NT_STATUS_OK;
1434 }
1435
1436 /*************************************************************************
1437 _netr_LogonSamLogon_base
1438 *************************************************************************/
1439
1440 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1441 struct netr_LogonSamLogonEx *r,
1442 struct netlogon_creds_CredentialState *creds)
1443 {
1444 NTSTATUS status = NT_STATUS_OK;
1445 union netr_LogonLevel *logon = r->in.logon;
1446 const char *nt_username, *nt_domain, *nt_workstation;
1447 struct auth_usersupplied_info *user_info = NULL;
1448 struct auth_serversupplied_info *server_info = NULL;
1449 struct auth_context *auth_context = NULL;
1450 uint8_t pipe_session_key[16];
1451 bool process_creds = true;
1452 const char *fn;
1453
1454 switch (p->opnum) {
1455 case NDR_NETR_LOGONSAMLOGON:
1456 process_creds = true;
1457 fn = "_netr_LogonSamLogon";
1458 break;
1459 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1460 process_creds = true;
1461 fn = "_netr_LogonSamLogonWithFlags";
1462 break;
1463 case NDR_NETR_LOGONSAMLOGONEX:
1464 process_creds = false;
1465 fn = "_netr_LogonSamLogonEx";
1466 break;
1467 default:
1468 return NT_STATUS_INTERNAL_ERROR;
1469 }
1470
1471 *r->out.authoritative = true; /* authoritative response */
1472
1473 switch (r->in.validation_level) {
1474 case 2:
1475 r->out.validation->sam2 = talloc_zero(p->mem_ctx, struct netr_SamInfo2);
1476 if (!r->out.validation->sam2) {
1477 return NT_STATUS_NO_MEMORY;
1478 }
1479 break;
1480 case 3:
1481 r->out.validation->sam3 = talloc_zero(p->mem_ctx, struct netr_SamInfo3);
1482 if (!r->out.validation->sam3) {
1483 return NT_STATUS_NO_MEMORY;
1484 }
1485 break;
1486 case 6:
1487 r->out.validation->sam6 = talloc_zero(p->mem_ctx, struct netr_SamInfo6);
1488 if (!r->out.validation->sam6) {
1489 return NT_STATUS_NO_MEMORY;
1490 }
1491 break;
1492 default:
1493 DEBUG(0,("%s: bad validation_level value %d.\n",
1494 fn, (int)r->in.validation_level));
1495 return NT_STATUS_INVALID_INFO_CLASS;
1496 }
1497
1498 switch (r->in.logon_level) {
1499 case NetlogonInteractiveInformation:
1500 case NetlogonServiceInformation:
1501 case NetlogonInteractiveTransitiveInformation:
1502 case NetlogonServiceTransitiveInformation:
1503 nt_username = logon->password->identity_info.account_name.string ?
1504 logon->password->identity_info.account_name.string : "";
1505 nt_domain = logon->password->identity_info.domain_name.string ?
1506 logon->password->identity_info.domain_name.string : "";
1507 nt_workstation = logon->password->identity_info.workstation.string ?
1508 logon->password->identity_info.workstation.string : "";
1509
1510 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1511 break;
1512 case NetlogonNetworkInformation:
1513 case NetlogonNetworkTransitiveInformation:
1514 nt_username = logon->network->identity_info.account_name.string ?
1515 logon->network->identity_info.account_name.string : "";
1516 nt_domain = logon->network->identity_info.domain_name.string ?
1517 logon->network->identity_info.domain_name.string : "";
1518 nt_workstation = logon->network->identity_info.workstation.string ?
1519 logon->network->identity_info.workstation.string : "";
1520
1521 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1522 break;
1523 default:
1524 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1525 return NT_STATUS_INVALID_INFO_CLASS;
1526 } /* end switch */
1527
1528 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1529 fstrcpy(current_user_info.smb_name, nt_username);
1530 sub_set_smb_name(nt_username);
1531
1532 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1533 r->in.validation_level, nt_username));
1534
1535 status = NT_STATUS_OK;
1536
1537 switch (r->in.logon_level) {
1538 case NetlogonNetworkInformation:
1539 case NetlogonNetworkTransitiveInformation:
1540 {
1541 const char *wksname = nt_workstation;
1542
1543 status = make_auth_context_fixed(talloc_tos(), &auth_context,
1544 logon->network->challenge);
1545 if (!NT_STATUS_IS_OK(status)) {
1546 return status;
1547 }
1548
1549 /* For a network logon, the workstation name comes in with two
1550 * backslashes in the front. Strip them if they are there. */
1551
1552 if (*wksname == '\\') wksname++;
1553 if (*wksname == '\\') wksname++;
1554
1555 /* Standard challenge/response authentication */
1556 if (!make_user_info_netlogon_network(&user_info,
1557 nt_username, nt_domain,
1558 wksname,
1559 p->remote_address,
1560 logon->network->identity_info.parameter_control,
1561 logon->network->lm.data,
1562 logon->network->lm.length,
1563 logon->network->nt.data,
1564 logon->network->nt.length)) {
1565 status = NT_STATUS_NO_MEMORY;
1566 }
1567 break;
1568 }
1569 case NetlogonInteractiveInformation:
1570 case NetlogonServiceInformation:
1571 case NetlogonInteractiveTransitiveInformation:
1572 case NetlogonServiceTransitiveInformation:
1573
1574 /* 'Interactive' authentication, supplies the password in its
1575 MD4 form, encrypted with the session key. We will convert
1576 this to challenge/response for the auth subsystem to chew
1577 on */
1578 {
1579 uint8_t chal[8];
1580
1581 status = make_auth_context_subsystem(talloc_tos(),
1582 &auth_context);
1583 if (!NT_STATUS_IS_OK(status)) {
1584 return status;
1585 }
1586
1587 auth_context->get_ntlm_challenge(auth_context, chal);
1588
1589 if (!make_user_info_netlogon_interactive(&user_info,
1590 nt_username, nt_domain,
1591 nt_workstation,
1592 p->remote_address,
1593 logon->password->identity_info.parameter_control,
1594 chal,
1595 logon->password->lmpassword.hash,
1596 logon->password->ntpassword.hash,
1597 creds->session_key)) {
1598 status = NT_STATUS_NO_MEMORY;
1599 }
1600 break;
1601 }
1602 default:
1603 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1604 return NT_STATUS_INVALID_INFO_CLASS;
1605 } /* end switch */
1606
1607 if ( NT_STATUS_IS_OK(status) ) {
1608 status = auth_context->check_ntlm_password(auth_context,
1609 user_info, &server_info);
1610 }
1611
1612 TALLOC_FREE(auth_context);
1613 free_user_info(&user_info);
1614
1615 DEBUG(5,("%s: check_password returned status %s\n",
1616 fn, nt_errstr(status)));
1617
1618 /* Check account and password */
1619
1620 if (!NT_STATUS_IS_OK(status)) {
1621 /* If we don't know what this domain is, we need to
1622 indicate that we are not authoritative. This
1623 allows the client to decide if it needs to try
1624 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1625 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1626 && !strequal(nt_domain, get_global_sam_name())
1627 && !is_trusted_domain(nt_domain) )
1628 *r->out.authoritative = false; /* We are not authoritative */
1629
1630 TALLOC_FREE(server_info);
1631 return status;
1632 }
1633
1634 if (server_info->guest) {
1635 /* We don't like guest domain logons... */
1636 DEBUG(5,("%s: Attempted domain logon as GUEST "
1637 "denied.\n", fn));
1638 TALLOC_FREE(server_info);
1639 return NT_STATUS_LOGON_FAILURE;
1640 }
1641
1642 /* This is the point at which, if the login was successful, that
1643 the SAM Local Security Authority should record that the user is
1644 logged in to the domain. */
1645
1646 if (process_creds) {
1647 /* Get the pipe session key from the creds. */
1648 memcpy(pipe_session_key, creds->session_key, 16);
1649 } else {
1650 struct schannel_state *schannel_auth;
1651 /* Get the pipe session key from the schannel. */
1652 if ((p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL)
1653 || (p->auth.auth_ctx == NULL)) {
1654 return NT_STATUS_INVALID_HANDLE;
1655 }
1656
1657 schannel_auth = talloc_get_type_abort(p->auth.auth_ctx,
1658 struct schannel_state);
1659 memcpy(pipe_session_key, schannel_auth->creds->session_key, 16);
1660 }
1661
1662 switch (r->in.validation_level) {
1663 case 2:
1664 status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
1665 r->out.validation->sam2);
1666 break;
1667 case 3:
1668 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
1669 r->out.validation->sam3);
1670 break;
1671 case 6:
1672 status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
1673 r->out.validation->sam6);
1674 break;
1675 }
1676
1677 TALLOC_FREE(server_info);
1678
1679 return status;
1680 }
1681
1682 /****************************************************************
1683 _netr_LogonSamLogonWithFlags
1684 ****************************************************************/
1685
1686 NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
1687 struct netr_LogonSamLogonWithFlags *r)
1688 {
1689 NTSTATUS status;
1690 struct netlogon_creds_CredentialState *creds;
1691 struct netr_LogonSamLogonEx r2;
1692 struct netr_Authenticator return_authenticator;
1693
1694 *r->out.authoritative = true;
1695
1696 r2.in.server_name = r->in.server_name;
1697 r2.in.computer_name = r->in.computer_name;
1698 r2.in.logon_level = r->in.logon_level;
1699 r2.in.logon = r->in.logon;
1700 r2.in.validation_level = r->in.validation_level;
1701 r2.in.flags = r->in.flags;
1702 r2.out.validation = r->out.validation;
1703 r2.out.authoritative = r->out.authoritative;
1704 r2.out.flags = r->out.flags;
1705
1706 status = _netr_LogonSamLogon_check(&r2);
1707 if (!NT_STATUS_IS_OK(status)) {
1708 return status;
1709 }
1710
1711 become_root();
1712 status = netr_creds_server_step_check(p, p->mem_ctx,
1713 r->in.computer_name,
1714 r->in.credential,
1715 &return_authenticator,
1716 &creds);
1717 unbecome_root();
1718 if (!NT_STATUS_IS_OK(status)) {
1719 return status;
1720 }
1721
1722 status = _netr_LogonSamLogon_base(p, &r2, creds);
1723
1724 *r->out.return_authenticator = return_authenticator;
1725
1726 return status;
1727 }
1728
1729 /*************************************************************************
1730 _netr_LogonSamLogon
1731 *************************************************************************/
1732
1733 NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
1734 struct netr_LogonSamLogon *r)
1735 {
1736 NTSTATUS status;
1737 struct netr_LogonSamLogonWithFlags r2;
1738 uint32_t flags = 0;
1739
1740 r2.in.server_name = r->in.server_name;
1741 r2.in.computer_name = r->in.computer_name;
1742 r2.in.credential = r->in.credential;
1743 r2.in.logon_level = r->in.logon_level;
1744 r2.in.logon = r->in.logon;
1745 r2.in.validation_level = r->in.validation_level;
1746 r2.in.return_authenticator = r->in.return_authenticator;
1747 r2.in.flags = &flags;
1748 r2.out.validation = r->out.validation;
1749 r2.out.authoritative = r->out.authoritative;
1750 r2.out.flags = &flags;
1751 r2.out.return_authenticator = r->out.return_authenticator;
1752
1753 status = _netr_LogonSamLogonWithFlags(p, &r2);
1754
1755 return status;
1756 }
1757
1758 /*************************************************************************
1759 _netr_LogonSamLogonEx
1760 - no credential chaining. Map into net sam logon.
1761 *************************************************************************/
1762
1763 NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
1764 struct netr_LogonSamLogonEx *r)
1765 {
1766 NTSTATUS status;
1767 struct netlogon_creds_CredentialState *creds = NULL;
1768 struct loadparm_context *lp_ctx;
1769
1770 *r->out.authoritative = true;
1771
1772 status = _netr_LogonSamLogon_check(r);
1773 if (!NT_STATUS_IS_OK(status)) {
1774 return status;
1775 }
1776
1777 /* Only allow this if the pipe is protected. */
1778 if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
1779 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1780 get_remote_machine_name() ));
1781 return NT_STATUS_INVALID_PARAMETER;
1782 }
1783
1784 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_context());
1785 if (lp_ctx == NULL) {
1786 DEBUG(0, ("loadparm_init_s3 failed\n"));
1787 return NT_STATUS_INTERNAL_ERROR;
1788 }
1789
1790 become_root();
1791 status = schannel_get_creds_state(p->mem_ctx, lp_ctx,
1792 r->in.computer_name, &creds);
1793 unbecome_root();
1794 talloc_unlink(p->mem_ctx, lp_ctx);
1795
1796 if (!NT_STATUS_IS_OK(status)) {
1797 return status;
1798 }
1799
1800 status = _netr_LogonSamLogon_base(p, r, creds);
1801 TALLOC_FREE(creds);
1802
1803 return status;
1804 }
1805
1806 /*************************************************************************
1807 _ds_enum_dom_trusts
1808 *************************************************************************/
1809 #if 0 /* JERRY -- not correct */
1810 NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1811 DS_R_ENUM_DOM_TRUSTS *r_u)
1812 {
1813 NTSTATUS status = NT_STATUS_OK;
1814
1815 /* TODO: According to MSDN, the can only be executed against a
1816 DC or domain member running Windows 2000 or later. Need
1817 to test against a standalone 2k server and see what it
1818 does. A windows 2000 DC includes its own domain in the
1819 list. --jerry */
1820
1821 return status;
1822 }
1823 #endif /* JERRY */
1824
1825
1826 /****************************************************************
1827 ****************************************************************/
1828
1829 WERROR _netr_LogonUasLogon(struct pipes_struct *p,
1830 struct netr_LogonUasLogon *r)
1831 {
1832 p->rng_fault_state = true;
1833 return WERR_NOT_SUPPORTED;
1834 }
1835
1836 /****************************************************************
1837 ****************************************************************/
1838
1839 WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
1840 struct netr_LogonUasLogoff *r)
1841 {
1842 p->rng_fault_state = true;
1843 return WERR_NOT_SUPPORTED;
1844 }
1845
1846 /****************************************************************
1847 ****************************************************************/
1848
1849 NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
1850 struct netr_DatabaseDeltas *r)
1851 {
1852 p->rng_fault_state = true;
1853 return NT_STATUS_NOT_IMPLEMENTED;
1854 }
1855
1856 /****************************************************************
1857 ****************************************************************/
1858
1859 NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
1860 struct netr_DatabaseSync *r)
1861 {
1862 p->rng_fault_state = true;
1863 return NT_STATUS_NOT_IMPLEMENTED;
1864 }
1865
1866 /****************************************************************
1867 ****************************************************************/
1868
1869 NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
1870 struct netr_AccountDeltas *r)
1871 {
1872 p->rng_fault_state = true;
1873 return NT_STATUS_NOT_IMPLEMENTED;
1874 }
1875
1876 /****************************************************************
1877 ****************************************************************/
1878
1879 NTSTATUS _netr_AccountSync(struct pipes_struct *p,
1880 struct netr_AccountSync *r)
1881 {
1882 p->rng_fault_state = true;
1883 return NT_STATUS_NOT_IMPLEMENTED;
1884 }
1885
1886 /****************************************************************
1887 ****************************************************************/
1888
1889 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1890 const char *domain,
1891 const char **dcname,
1892 uint32_t flags,
1893 WERROR *werr)
1894 {
1895 wbcErr result;
1896 struct wbcDomainControllerInfo *dc_info = NULL;
1897
1898 result = wbcLookupDomainController(domain,
1899 flags,
1900 &dc_info);
1901 switch (result) {
1902 case WBC_ERR_SUCCESS:
1903 break;
1904 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1905 return false;
1906 case WBC_ERR_DOMAIN_NOT_FOUND:
1907 *werr = WERR_NO_SUCH_DOMAIN;
1908 return true;
1909 default:
1910 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1911 return true;
1912 }
1913
1914 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1915 wbcFreeMemory(dc_info);
1916 if (!*dcname) {
1917 *werr = WERR_NOMEM;
1918 return false;
1919 }
1920
1921 *werr = WERR_OK;
1922
1923 return true;
1924 }
1925
1926 /****************************************************************
1927 _netr_GetDcName
1928 ****************************************************************/
1929
1930 WERROR _netr_GetDcName(struct pipes_struct *p,
1931 struct netr_GetDcName *r)
1932 {
1933 NTSTATUS status;
1934 WERROR werr;
1935 uint32_t flags;
1936 struct netr_DsRGetDCNameInfo *info;
1937 bool ret;
1938
1939 ret = wb_getdcname(p->mem_ctx,
1940 r->in.domainname,
1941 r->out.dcname,
1942 WBC_LOOKUP_DC_IS_FLAT_NAME |
1943 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1944 WBC_LOOKUP_DC_PDC_REQUIRED,
1945 &werr);
1946 if (ret == true) {
1947 return werr;
1948 }
1949
1950 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1951
1952 status = dsgetdcname(p->mem_ctx,
1953 p->msg_ctx,
1954 r->in.domainname,
1955 NULL,
1956 NULL,
1957 flags,
1958 &info);
1959 if (!NT_STATUS_IS_OK(status)) {
1960 return ntstatus_to_werror(status);
1961 }
1962
1963 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1964 talloc_free(info);
1965 if (!*r->out.dcname) {
1966 return WERR_NOMEM;
1967 }
1968
1969 return WERR_OK;
1970 }
1971
1972 /****************************************************************
1973 _netr_GetAnyDCName
1974 ****************************************************************/
1975
1976 WERROR _netr_GetAnyDCName(struct pipes_struct *p,
1977 struct netr_GetAnyDCName *r)
1978 {
1979 NTSTATUS status;
1980 WERROR werr;
1981 uint32_t flags;
1982 struct netr_DsRGetDCNameInfo *info;
1983 bool ret;
1984
1985 ret = wb_getdcname(p->mem_ctx,
1986 r->in.domainname,
1987 r->out.dcname,
1988 WBC_LOOKUP_DC_IS_FLAT_NAME |
1989 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
1990 &werr);
1991 if (ret == true) {
1992 return werr;
1993 }
1994
1995 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1996
1997 status = dsgetdcname(p->mem_ctx,
1998 p->msg_ctx,
1999 r->in.domainname,
2000 NULL,
2001 NULL,
2002 flags,
2003 &info);
2004 if (!NT_STATUS_IS_OK(status)) {
2005 return ntstatus_to_werror(status);
2006 }
2007
2008 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2009 talloc_free(info);
2010 if (!*r->out.dcname) {
2011 return WERR_NOMEM;
2012 }
2013
2014 return WERR_OK;
2015 }
2016
2017 /****************************************************************
2018 ****************************************************************/
2019
2020 NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
2021 struct netr_DatabaseSync2 *r)
2022 {
2023 p->rng_fault_state = true;
2024 return NT_STATUS_NOT_IMPLEMENTED;
2025 }
2026
2027 /****************************************************************
2028 ****************************************************************/
2029
2030 NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
2031 struct netr_DatabaseRedo *r)
2032 {
2033 p->rng_fault_state = true;
2034 return NT_STATUS_NOT_IMPLEMENTED;
2035 }
2036
2037 /****************************************************************
2038 ****************************************************************/
2039
2040 WERROR _netr_DsRGetDCName(struct pipes_struct *p,
2041 struct netr_DsRGetDCName *r)
2042 {
2043 p->rng_fault_state = true;
2044 return WERR_NOT_SUPPORTED;
2045 }
2046
2047 /****************************************************************
2048 ****************************************************************/
2049
2050 NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
2051 struct netr_LogonGetCapabilities *r)
2052 {
2053 struct netlogon_creds_CredentialState *creds;
2054 NTSTATUS status;
2055
2056 become_root();
2057 status = netr_creds_server_step_check(p, p->mem_ctx,
2058 r->in.computer_name,
2059 r->in.credential,
2060 r->out.return_authenticator,
2061 &creds);
2062 unbecome_root();
2063 if (!NT_STATUS_IS_OK(status)) {
2064 return status;
2065 }
2066
2067 if (r->in.query_level != 1) {
2068 return NT_STATUS_NOT_SUPPORTED;
2069 }
2070
2071 r->out.capabilities->server_capabilities = creds->negotiate_flags;
2072
2073 return NT_STATUS_OK;
2074 }
2075
2076 /****************************************************************
2077 ****************************************************************/
2078
2079 WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
2080 struct netr_NETRLOGONSETSERVICEBITS *r)
2081 {
2082 p->rng_fault_state = true;
2083 return WERR_NOT_SUPPORTED;
2084 }
2085
2086 /****************************************************************
2087 ****************************************************************/
2088
2089 WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
2090 struct netr_LogonGetTrustRid *r)
2091 {
2092 p->rng_fault_state = true;
2093 return WERR_NOT_SUPPORTED;
2094 }
2095
2096 /****************************************************************
2097 ****************************************************************/
2098
2099 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
2100 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
2101 {
2102 p->rng_fault_state = true;
2103 return WERR_NOT_SUPPORTED;
2104 }
2105
2106 /****************************************************************
2107 ****************************************************************/
2108
2109 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
2110 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
2111 {
2112 p->rng_fault_state = true;
2113 return WERR_NOT_SUPPORTED;
2114 }
2115
2116 /****************************************************************
2117 ****************************************************************/
2118
2119 WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
2120 struct netr_DsRGetDCNameEx *r)
2121 {
2122 p->rng_fault_state = true;
2123 return WERR_NOT_SUPPORTED;
2124 }
2125
2126 /****************************************************************
2127 ****************************************************************/
2128
2129 WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
2130 struct netr_DsRGetSiteName *r)
2131 {
2132 p->rng_fault_state = true;
2133 return WERR_NOT_SUPPORTED;
2134 }
2135
2136 /****************************************************************
2137 ****************************************************************/
2138
2139 NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
2140 struct netr_LogonGetDomainInfo *r)
2141 {
2142 p->rng_fault_state = true;
2143 return NT_STATUS_NOT_IMPLEMENTED;
2144 }
2145
2146 /****************************************************************
2147 ****************************************************************/
2148
2149 WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
2150 struct netr_ServerPasswordGet *r)
2151 {
2152 p->rng_fault_state = true;
2153 return WERR_NOT_SUPPORTED;
2154 }
2155
2156 /****************************************************************
2157 ****************************************************************/
2158
2159 WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
2160 struct netr_NETRLOGONSENDTOSAM *r)
2161 {
2162 p->rng_fault_state = true;
2163 return WERR_NOT_SUPPORTED;
2164 }
2165
2166 /****************************************************************
2167 ****************************************************************/
2168
2169 WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
2170 struct netr_DsRAddressToSitenamesW *r)
2171 {
2172 p->rng_fault_state = true;
2173 return WERR_NOT_SUPPORTED;
2174 }
2175
2176 /****************************************************************
2177 ****************************************************************/
2178
2179 WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
2180 struct netr_DsRGetDCNameEx2 *r)
2181 {
2182 p->rng_fault_state = true;
2183 return WERR_NOT_SUPPORTED;
2184 }
2185
2186 /****************************************************************
2187 ****************************************************************/
2188
2189 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
2190 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
2191 {
2192 p->rng_fault_state = true;
2193 return WERR_NOT_SUPPORTED;
2194 }
2195
2196 /****************************************************************
2197 ****************************************************************/
2198
2199 WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
2200 struct netr_NetrEnumerateTrustedDomainsEx *r)
2201 {
2202 p->rng_fault_state = true;
2203 return WERR_NOT_SUPPORTED;
2204 }
2205
2206 /****************************************************************
2207 ****************************************************************/
2208
2209 WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
2210 struct netr_DsRAddressToSitenamesExW *r)
2211 {
2212 p->rng_fault_state = true;
2213 return WERR_NOT_SUPPORTED;
2214 }
2215
2216 /****************************************************************
2217 ****************************************************************/
2218
2219 WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
2220 struct netr_DsrGetDcSiteCoverageW *r)
2221 {
2222 p->rng_fault_state = true;
2223 return WERR_NOT_SUPPORTED;
2224 }
2225
2226 /****************************************************************
2227 ****************************************************************/
2228
2229 WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
2230 struct netr_DsrEnumerateDomainTrusts *r)
2231 {
2232 p->rng_fault_state = true;
2233 return WERR_NOT_SUPPORTED;
2234 }
2235
2236 /****************************************************************
2237 ****************************************************************/
2238
2239 WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
2240 struct netr_DsrDeregisterDNSHostRecords *r)
2241 {
2242 p->rng_fault_state = true;
2243 return WERR_NOT_SUPPORTED;
2244 }
2245
2246 /****************************************************************
2247 ****************************************************************/
2248
2249 NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
2250 struct netr_ServerTrustPasswordsGet *r)
2251 {
2252 p->rng_fault_state = true;
2253 return NT_STATUS_NOT_IMPLEMENTED;
2254 }
2255
2256 /****************************************************************
2257 ****************************************************************/
2258
2259 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2260 struct netr_DsRGetForestTrustInformation *r)
2261 {
2262 p->rng_fault_state = true;
2263 return WERR_NOT_SUPPORTED;
2264 }
2265
2266 /****************************************************************
2267 ****************************************************************/
2268
2269 static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2270 struct lsa_ForestTrustInformation *info)
2271 {
2272 struct lsa_ForestTrustRecord *e;
2273 struct pdb_domain_info *dom_info;
2274 struct lsa_ForestTrustDomainInfo *domain_info;
2275
2276 dom_info = pdb_get_domain_info(mem_ctx);
2277 if (dom_info == NULL) {
2278 return NT_STATUS_NO_MEMORY;
2279 }
2280
2281 info->count = 2;
2282 info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, 2);
2283 if (info->entries == NULL) {
2284 return NT_STATUS_NO_MEMORY;
2285 }
2286
2287 e = talloc(info, struct lsa_ForestTrustRecord);
2288 if (e == NULL) {
2289 return NT_STATUS_NO_MEMORY;
2290 }
2291
2292 e->flags = 0;
2293 e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2294 e->time = 0; /* so far always 0 in trces. */
2295 e->forest_trust_data.top_level_name.string = talloc_steal(info,
2296 dom_info->dns_forest);
2297
2298 info->entries[0] = e;
2299
2300 e = talloc(info, struct lsa_ForestTrustRecord);
2301 if (e == NULL) {
2302 return NT_STATUS_NO_MEMORY;
2303 }
2304
2305 /* TODO: check if disabled and set flags accordingly */
2306 e->flags = 0;
2307 e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2308 e->time = 0; /* so far always 0 in traces. */
2309
2310 domain_info = &e->forest_trust_data.domain_info;
2311 domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2312
2313 domain_info->dns_domain_name.string = talloc_steal(info,
2314 dom_info->dns_domain);
2315 domain_info->netbios_domain_name.string = talloc_steal(info,
2316 dom_info->name);
2317
2318 info->entries[1] = e;
2319
2320 return NT_STATUS_OK;
2321 }
2322
2323 /****************************************************************
2324 _netr_GetForestTrustInformation
2325 ****************************************************************/
2326
2327 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2328 struct netr_GetForestTrustInformation *r)
2329 {
2330 NTSTATUS status;
2331 struct netlogon_creds_CredentialState *creds;
2332 struct lsa_ForestTrustInformation *info, **info_ptr;
2333 struct loadparm_context *lp_ctx;
2334
2335 /* TODO: check server name */
2336
2337 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_context());
2338 if (lp_ctx == NULL) {
2339 DEBUG(0, ("loadparm_init_s3 failed\n"));
2340 return NT_STATUS_INTERNAL_ERROR;
2341 }
2342
2343 status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2344 r->in.computer_name,
2345 r->in.credential,
2346 r->out.return_authenticator,
2347 &creds);
2348 talloc_unlink(p->mem_ctx, lp_ctx);
2349 if (!NT_STATUS_IS_OK(status)) {
2350 return status;
2351 }
2352
2353 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2354 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2355 return NT_STATUS_NOT_IMPLEMENTED;
2356 }
2357
2358 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2359 if (!info_ptr) {
2360 return NT_STATUS_NO_MEMORY;
2361 }
2362 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2363 if (!info) {
2364 return NT_STATUS_NO_MEMORY;
2365 }
2366
2367 status = fill_forest_trust_array(p->mem_ctx, info);
2368 if (!NT_STATUS_IS_OK(status)) {
2369 return status;
2370 }
2371
2372 *info_ptr = info;
2373 r->out.forest_trust_info = info_ptr;
2374
2375 return NT_STATUS_OK;
2376 }
2377
2378 /****************************************************************
2379 ****************************************************************/
2380
2381 static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2382 const DATA_BLOB *trustAuth_blob,
2383 const DATA_BLOB *session_key,
2384 struct samr_Password *current_pw_enc,
2385 struct samr_Password *previous_pw_enc)
2386 {
2387 enum ndr_err_code ndr_err;
2388 struct trustAuthInOutBlob trustAuth;
2389
2390 ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2391 (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2392 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2393 return NT_STATUS_UNSUCCESSFUL;
2394 }
2395
2396
2397 if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2398 trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2399 mdfour(previous_pw_enc->hash,
2400 trustAuth.current.array[0].AuthInfo.clear.password,
2401 trustAuth.current.array[0].AuthInfo.clear.size);
2402 } else {
2403 return NT_STATUS_UNSUCCESSFUL;
2404 }
2405
2406 arcfour_crypt_blob(current_pw_enc->hash, sizeof(current_pw_enc->hash),
2407 session_key);
2408
2409 if (trustAuth.previous.count != 0 &&
2410 trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2411 mdfour(previous_pw_enc->hash,
2412 trustAuth.previous.array[0].AuthInfo.clear.password,
2413 trustAuth.previous.array[0].AuthInfo.clear.size);
2414 } else {
2415 mdfour(previous_pw_enc->hash, NULL, 0);
2416 }
2417 arcfour_crypt_blob(previous_pw_enc->hash, sizeof(previous_pw_enc->hash),
2418 session_key);
2419
2420 return NT_STATUS_OK;
2421 }
2422
2423 /****************************************************************
2424 _netr_ServerGetTrustInfo
2425 ****************************************************************/
2426
2427 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2428 struct netr_ServerGetTrustInfo *r)
2429 {
2430 NTSTATUS status;
2431 struct netlogon_creds_CredentialState *creds;
2432 char *account_name;
2433 size_t account_name_last;
2434 bool trusted;
2435 struct netr_TrustInfo *trust_info;
2436 struct pdb_trusted_domain *td;
2437 DATA_BLOB trustAuth_blob;
2438 struct samr_Password *new_owf_enc;
2439 struct samr_Password *old_owf_enc;
2440 DATA_BLOB session_key;
2441 struct loadparm_context *lp_ctx;
2442
2443 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_context());
2444 if (lp_ctx == NULL) {
2445 DEBUG(0, ("loadparm_init_s3 failed\n"));
2446 return NT_STATUS_INTERNAL_ERROR;
2447 }
2448
2449 /* TODO: check server name */
2450
2451 status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2452 r->in.computer_name,
2453 r->in.credential,
2454 r->out.return_authenticator,
2455 &creds);
2456 talloc_unlink(p->mem_ctx, lp_ctx);
2457 if (!NT_STATUS_IS_OK(status)) {
2458 return status;
2459 }
2460
2461 account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2462 if (account_name == NULL) {
2463 return NT_STATUS_NO_MEMORY;
2464 }
2465
2466 account_name_last = strlen(account_name);
2467 if (account_name_last == 0) {
2468 return NT_STATUS_INVALID_PARAMETER;
2469 }
2470 account_name_last--;
2471 if (account_name[account_name_last] == '.') {
2472 account_name[account_name_last] = '\0';
2473 }
2474
2475 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2476 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2477 trusted = false;
2478 } else {
2479 trusted = true;
2480 }
2481
2482
2483 if (trusted) {
2484 account_name_last = strlen(account_name);
2485 if (account_name_last == 0) {
2486 return NT_STATUS_INVALID_PARAMETER;
2487 }
2488 account_name_last--;
2489 if (account_name[account_name_last] == '$') {
2490 account_name[account_name_last] = '\0';
2491 }
2492
2493 status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2494 if (!NT_STATUS_IS_OK(status)) {
2495 return status;
2496 }
2497
2498 if (r->out.trust_info != NULL) {
2499 trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2500 if (trust_info == NULL) {
2501 return NT_STATUS_NO_MEMORY;
2502 }
2503 trust_info->count = 1;
2504
2505 trust_info->data = talloc_array(trust_info, uint32_t, 1);
2506 if (trust_info->data == NULL) {
2507 return NT_STATUS_NO_MEMORY;
2508 }
2509 trust_info->data[0] = td->trust_attributes;
2510
2511 *r->out.trust_info = trust_info;
2512 }
2513
2514 new_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password);
2515 old_owf_enc = talloc_zero(p->mem_ctx, struct samr_Password);
2516 if (new_owf_enc == NULL || old_owf_enc == NULL) {
2517 return NT_STATUS_NO_MEMORY;
2518 }
2519
2520 /* TODO: which trustAuth shall we use if we have in/out trust or do they have to
2521 * be equal ? */
2522 if (td->trust_direction & NETR_TRUST_FLAG_INBOUND) {
2523 trustAuth_blob = td->trust_auth_incoming;
2524 } else if (td->trust_direction & NETR_TRUST_FLAG_OUTBOUND) {
2525 trustAuth_blob = td->trust_auth_outgoing;
2526 }
2527
2528 session_key.data = creds->session_key;
2529 session_key.length = sizeof(creds->session_key);
2530 status = get_password_from_trustAuth(p->mem_ctx, &trustAuth_blob,
2531 &session_key,
2532 new_owf_enc, old_owf_enc);
2533
2534 if (!NT_STATUS_IS_OK(status)) {
2535 return status;
2536 }
2537
2538 r->out.new_owf_password = new_owf_enc;
2539 r->out.old_owf_password = old_owf_enc;
2540 } else {
2541 /* TODO: look for machine password */
2542 r->out.new_owf_password = NULL;
2543 r->out.old_owf_password = NULL;
2544
2545 return NT_STATUS_NOT_IMPLEMENTED;
2546 }
2547
2548 return NT_STATUS_OK;
2549 }
2550
2551 /****************************************************************
2552 ****************************************************************/
2553
2554 NTSTATUS _netr_Unused47(struct pipes_struct *p,
2555 struct netr_Unused47 *r)
2556 {
2557 p->rng_fault_state = true;
2558 return NT_STATUS_NOT_IMPLEMENTED;
2559 }
2560
2561 /****************************************************************
2562 ****************************************************************/
2563
2564 NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2565 struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2566 {
2567 p->rng_fault_state = true;
2568 return NT_STATUS_NOT_IMPLEMENTED;
2569 }