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nss_wrapper: Align indentation with the rest of Samba
[Samba.git] / source3 / rpc_server / netlogon / srv_netlog_nt.c
blobde30106e9a80ee88eaf78b1ef99f02571ed9ddfe
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;
510 struct policy_handle domain_handle = { 0, };
511 struct lsa_String domain_name;
512 struct dom_sid2 *domain_sid;
513 struct lsa_String names;
514 struct samr_Ids rids;
515 struct samr_Ids types;
516 uint32_t rid;
517
518 status = dcerpc_samr_Connect2(b, mem_ctx,
519 lp_netbios_name(),
520 SAMR_ACCESS_CONNECT_TO_SERVER |
521 SAMR_ACCESS_ENUM_DOMAINS |
522 SAMR_ACCESS_LOOKUP_DOMAIN,
523 &connect_handle,
524 &result);
525 if (!NT_STATUS_IS_OK(status)) {
526 goto out;
527 }
528 if (!NT_STATUS_IS_OK(result)) {
529 status = result;
530 goto out;
531 }
532
533 init_lsa_String(&domain_name, get_global_sam_name());
534
535 status = dcerpc_samr_LookupDomain(b, mem_ctx,
536 &connect_handle,
537 &domain_name,
538 &domain_sid,
539 &result);
540 if (!NT_STATUS_IS_OK(status)) {
541 goto out;
542 }
543 if (!NT_STATUS_IS_OK(result)) {
544 status = result;
545 goto out;
546 }
547
548 status = dcerpc_samr_OpenDomain(b, mem_ctx,
549 &connect_handle,
550 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
551 domain_sid,
552 &domain_handle,
553 &result);
554 if (!NT_STATUS_IS_OK(status)) {
555 goto out;
556 }
557 if (!NT_STATUS_IS_OK(result)) {
558 status = result;
559 goto out;
560 }
561
562 init_lsa_String(&names, account_name);
563
564 status = dcerpc_samr_LookupNames(b, mem_ctx,
565 &domain_handle,
566 1,
567 &names,
568 &rids,
569 &types,
570 &result);
571 if (!NT_STATUS_IS_OK(status)) {
572 goto out;
573 }
574 if (!NT_STATUS_IS_OK(result)) {
575 status = result;
576 goto out;
577 }
578
579 if (rids.count != 1) {
580 status = NT_STATUS_NO_SUCH_USER;
581 goto out;
582 }
583 if (types.count != 1) {
584 status = NT_STATUS_INVALID_PARAMETER;
585 goto out;
586 }
587 if (types.ids[0] != SID_NAME_USER) {
588 status = NT_STATUS_NO_SUCH_USER;
589 goto out;
590 }
591
592 rid = rids.ids[0];
593
594 status = dcerpc_samr_OpenUser(b, mem_ctx,
595 &domain_handle,
596 access_mask,
597 rid,
598 user_handle,
599 &result);
600 if (!NT_STATUS_IS_OK(status)) {
601 goto out;
602 }
603 if (!NT_STATUS_IS_OK(result)) {
604 status = result;
605 goto out;
606 }
607
608 if (user_rid_p) {
609 *user_rid_p = rid;
610 }
611
612 if (domain_sid_p) {
613 *domain_sid_p = domain_sid;
614 }
615
616 out:
617 if (is_valid_policy_hnd(&domain_handle)) {
618 dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
619 }
620 if (is_valid_policy_hnd(&connect_handle)) {
621 dcerpc_samr_Close(b, mem_ctx, &connect_handle, &result);
622 }
623
624 return status;
625 }
626
627 /******************************************************************
628 gets a machine password entry. checks access rights of the host.
629 ******************************************************************/
630
631 static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
632 enum netr_SchannelType sec_chan_type,
633 struct dom_sid *sid,
634 struct messaging_context *msg_ctx)
635 {
636 NTSTATUS status;
637 NTSTATUS result = NT_STATUS_OK;
638 TALLOC_CTX *mem_ctx;
639 struct dcerpc_binding_handle *h = NULL;
640 struct tsocket_address *local;
641 struct policy_handle user_handle;
642 uint32_t user_rid;
643 struct dom_sid *domain_sid;
644 uint32_t acct_ctrl;
645 union samr_UserInfo *info;
646 struct auth_session_info *session_info;
647 int rc;
648
649 #if 0
650
651 /*
652 * Currently this code is redundant as we already have a filter
653 * by hostname list. What this code really needs to do is to
654 * get a hosts allowed/hosts denied list from the SAM database
655 * on a per user basis, and make the access decision there.
656 * I will leave this code here for now as a reminder to implement
657 * this at a later date. JRA.
658 */
659
660 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
661 p->client_id.name,
662 p->client_id.addr)) {
663 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
664 return False;
665 }
666 #endif /* 0 */
667
668 mem_ctx = talloc_stackframe();
669 if (mem_ctx == NULL) {
670 status = NT_STATUS_NO_MEMORY;
671 goto out;
672 }
673
674 status = make_session_info_system(mem_ctx, &session_info);
675 if (!NT_STATUS_IS_OK(status)) {
676 goto out;
677 }
678
679 ZERO_STRUCT(user_handle);
680
681 rc = tsocket_address_inet_from_strings(mem_ctx,
682 "ip",
683 "127.0.0.1",
684 0,
685 &local);
686 if (rc < 0) {
687 status = NT_STATUS_NO_MEMORY;
688 goto out;
689 }
690
691 status = rpcint_binding_handle(mem_ctx,
692 &ndr_table_samr,
693 local,
694 session_info,
695 msg_ctx,
696 &h);
697 if (!NT_STATUS_IS_OK(status)) {
698 goto out;
699 }
700
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 if (!NT_STATUS_IS_OK(status)) {
706 goto out;
707 }
708
709 status = dcerpc_samr_QueryUserInfo2(h,
710 mem_ctx,
711 &user_handle,
712 UserControlInformation,
713 &info,
714 &result);
715 if (!NT_STATUS_IS_OK(status)) {
716 goto out;
717 }
718 if (!NT_STATUS_IS_OK(result)) {
719 status = result;
720 goto out;
721 }
722
723 acct_ctrl = info->info16.acct_flags;
724
725 if (acct_ctrl & ACB_DISABLED) {
726 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
727 status = NT_STATUS_ACCOUNT_DISABLED;
728 goto out;
729 }
730
731 if (!(acct_ctrl & ACB_SVRTRUST) &&
732 !(acct_ctrl & ACB_WSTRUST) &&
733 !(acct_ctrl & ACB_DOMTRUST))
734 {
735 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
736 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
737 goto out;
738 }
739
740 switch (sec_chan_type) {
741 case SEC_CHAN_BDC:
742 if (!(acct_ctrl & ACB_SVRTRUST)) {
743 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
744 "but not a server trust account\n", mach_acct));
745 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
746 goto out;
747 }
748 break;
749 case SEC_CHAN_WKSTA:
750 if (!(acct_ctrl & ACB_WSTRUST)) {
751 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
752 "but not a workstation trust account\n", mach_acct));
753 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
754 goto out;
755 }
756 break;
757 case SEC_CHAN_DOMAIN:
758 if (!(acct_ctrl & ACB_DOMTRUST)) {
759 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
760 "but not a interdomain trust account\n", mach_acct));
761 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
762 goto out;
763 }
764 break;
765 default:
766 break;
767 }
768
769 become_root();
770 status = dcerpc_samr_QueryUserInfo2(h,
771 mem_ctx,
772 &user_handle,
773 UserInternal1Information,
774 &info,
775 &result);
776 unbecome_root();
777 if (!NT_STATUS_IS_OK(status)) {
778 goto out;
779 }
780 if (!NT_STATUS_IS_OK(result)) {
781 status = result;
782 goto out;
783 }
784
785 if (info->info18.nt_pwd_active == 0) {
786 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
787 status = NT_STATUS_LOGON_FAILURE;
788 goto out;
789 }
790
791 /* samr gives out nthash unencrypted (!) */
792 memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
793
794 sid_compose(sid, domain_sid, user_rid);
795
796 out:
797 if (h && is_valid_policy_hnd(&user_handle)) {
798 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
799 }
800
801 talloc_free(mem_ctx);
802
803 return status;
804 }
805
806 /*************************************************************************
807 _netr_ServerReqChallenge
808 *************************************************************************/
809
810 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
811 struct netr_ServerReqChallenge *r)
812 {
813 struct netlogon_server_pipe_state *pipe_state =
814 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
815
816 if (pipe_state) {
817 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
818 talloc_free(pipe_state);
819 p->private_data = NULL;
820 }
821
822 pipe_state = talloc(p, struct netlogon_server_pipe_state);
823 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
824
825 pipe_state->client_challenge = *r->in.credentials;
826
827 generate_random_buffer(pipe_state->server_challenge.data,
828 sizeof(pipe_state->server_challenge.data));
829
830 *r->out.return_credentials = pipe_state->server_challenge;
831
832 p->private_data = pipe_state;
833
834 return NT_STATUS_OK;
835 }
836
837 /*************************************************************************
838 _netr_ServerAuthenticate
839 Create the initial credentials.
840 *************************************************************************/
841
842 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
843 struct netr_ServerAuthenticate *r)
844 {
845 struct netr_ServerAuthenticate3 a;
846 uint32_t negotiate_flags = 0;
847 uint32_t rid;
848
849 a.in.server_name = r->in.server_name;
850 a.in.account_name = r->in.account_name;
851 a.in.secure_channel_type = r->in.secure_channel_type;
852 a.in.computer_name = r->in.computer_name;
853 a.in.credentials = r->in.credentials;
854 a.in.negotiate_flags = &negotiate_flags;
855
856 a.out.return_credentials = r->out.return_credentials;
857 a.out.rid = &rid;
858 a.out.negotiate_flags = &negotiate_flags;
859
860 return _netr_ServerAuthenticate3(p, &a);
861
862 }
863
864 /*************************************************************************
865 _netr_ServerAuthenticate3
866 *************************************************************************/
867
868 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
869 struct netr_ServerAuthenticate3 *r)
870 {
871 NTSTATUS status;
872 uint32_t srv_flgs;
873 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
874 * so use a copy to avoid destroying the client values. */
875 uint32_t in_neg_flags = *r->in.negotiate_flags;
876 const char *fn;
877 struct loadparm_context *lp_ctx;
878 struct dom_sid sid;
879 struct samr_Password mach_pwd;
880 struct netlogon_creds_CredentialState *creds;
881 struct netlogon_server_pipe_state *pipe_state =
882 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
883
884 /* According to Microsoft (see bugid #6099)
885 * Windows 7 looks at the negotiate_flags
886 * returned in this structure *even if the
887 * call fails with access denied* ! So in order
888 * to allow Win7 to connect to a Samba NT style
889 * PDC we set the flags before we know if it's
890 * an error or not.
891 */
892
893 /* 0x000001ff */
894 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
895 NETLOGON_NEG_PERSISTENT_SAMREPL |
896 NETLOGON_NEG_ARCFOUR |
897 NETLOGON_NEG_PROMOTION_COUNT |
898 NETLOGON_NEG_CHANGELOG_BDC |
899 NETLOGON_NEG_FULL_SYNC_REPL |
900 NETLOGON_NEG_MULTIPLE_SIDS |
901 NETLOGON_NEG_REDO |
902 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
903 NETLOGON_NEG_PASSWORD_SET2;
904
905 /* Ensure we support strong (128-bit) keys. */
906 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
907 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
908 }
909
910 if (in_neg_flags & NETLOGON_NEG_SUPPORTS_AES) {
911 srv_flgs |= NETLOGON_NEG_SUPPORTS_AES;
912 }
913
914 if (lp_server_schannel() != false) {
915 srv_flgs |= NETLOGON_NEG_SCHANNEL;
916 }
917
918 /*
919 * Support authenticaten of trusted domains.
920 *
921 * These flags are the minimum required set which works with win2k3
922 * and win2k8.
923 */
924 if (pdb_capabilities() & PDB_CAP_TRUSTED_DOMAINS_EX) {
925 srv_flgs |= NETLOGON_NEG_TRANSITIVE_TRUSTS |
926 NETLOGON_NEG_DNS_DOMAIN_TRUSTS |
927 NETLOGON_NEG_CROSS_FOREST_TRUSTS |
928 NETLOGON_NEG_NEUTRALIZE_NT4_EMULATION;
929 }
930
931 switch (p->opnum) {
932 case NDR_NETR_SERVERAUTHENTICATE:
933 fn = "_netr_ServerAuthenticate";
934 break;
935 case NDR_NETR_SERVERAUTHENTICATE2:
936 fn = "_netr_ServerAuthenticate2";
937 break;
938 case NDR_NETR_SERVERAUTHENTICATE3:
939 fn = "_netr_ServerAuthenticate3";
940 break;
941 default:
942 return NT_STATUS_INTERNAL_ERROR;
943 }
944
945 /* We use this as the key to store the creds: */
946 /* r->in.computer_name */
947
948 if (!pipe_state) {
949 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
950 r->in.computer_name));
951 status = NT_STATUS_ACCESS_DENIED;
952 goto out;
953 }
954
955 if ( (lp_server_schannel() == true) &&
956 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
957
958 /* schannel must be used, but client did not offer it. */
959 DEBUG(0,("%s: schannel required but client failed "
960 "to offer it. Client was %s\n",
961 fn, r->in.account_name));
962 status = NT_STATUS_ACCESS_DENIED;
963 goto out;
964 }
965
966 status = get_md4pw(&mach_pwd,
967 r->in.account_name,
968 r->in.secure_channel_type,
969 &sid, p->msg_ctx);
970 if (!NT_STATUS_IS_OK(status)) {
971 DEBUG(0,("%s: failed to get machine password for "
972 "account %s: %s\n",
973 fn, r->in.account_name, nt_errstr(status) ));
974 /* always return NT_STATUS_ACCESS_DENIED */
975 status = NT_STATUS_ACCESS_DENIED;
976 goto out;
977 }
978
979 /* From the client / server challenges and md4 password, generate sess key */
980 /* Check client credentials are valid. */
981 creds = netlogon_creds_server_init(p->mem_ctx,
982 r->in.account_name,
983 r->in.computer_name,
984 r->in.secure_channel_type,
985 &pipe_state->client_challenge,
986 &pipe_state->server_challenge,
987 &mach_pwd,
988 r->in.credentials,
989 r->out.return_credentials,
990 srv_flgs);
991 if (!creds) {
992 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
993 "request from client %s machine account %s\n",
994 fn, r->in.computer_name,
995 r->in.account_name));
996 status = NT_STATUS_ACCESS_DENIED;
997 goto out;
998 }
999
1000 creds->sid = dom_sid_dup(creds, &sid);
1001 if (!creds->sid) {
1002 status = NT_STATUS_NO_MEMORY;
1003 goto out;
1004 }
1005
1006 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
1007 if (lp_ctx == NULL) {
1008 DEBUG(10, ("loadparm_init_s3 failed\n"));
1009 status = NT_STATUS_INTERNAL_ERROR;
1010 goto out;
1011 }
1012
1013 /* Store off the state so we can continue after client disconnect. */
1014 become_root();
1015 status = schannel_save_creds_state(p->mem_ctx, lp_ctx, creds);
1016 unbecome_root();
1017
1018 talloc_unlink(p->mem_ctx, lp_ctx);
1019
1020 if (!NT_STATUS_IS_OK(status)) {
1021 ZERO_STRUCTP(r->out.return_credentials);
1022 goto out;
1023 }
1024
1025 sid_peek_rid(&sid, r->out.rid);
1026
1027 status = NT_STATUS_OK;
1028
1029 out:
1030
1031 *r->out.negotiate_flags = srv_flgs;
1032 return status;
1033 }
1034
1035 /*************************************************************************
1036 _netr_ServerAuthenticate2
1037 *************************************************************************/
1038
1039 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1040 struct netr_ServerAuthenticate2 *r)
1041 {
1042 struct netr_ServerAuthenticate3 a;
1043 uint32_t rid;
1044
1045 a.in.server_name = r->in.server_name;
1046 a.in.account_name = r->in.account_name;
1047 a.in.secure_channel_type = r->in.secure_channel_type;
1048 a.in.computer_name = r->in.computer_name;
1049 a.in.credentials = r->in.credentials;
1050 a.in.negotiate_flags = r->in.negotiate_flags;
1051
1052 a.out.return_credentials = r->out.return_credentials;
1053 a.out.rid = &rid;
1054 a.out.negotiate_flags = r->out.negotiate_flags;
1055
1056 return _netr_ServerAuthenticate3(p, &a);
1057 }
1058
1059 /*************************************************************************
1060 * If schannel is required for this call test that it actually is available.
1061 *************************************************************************/
1062 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
1063 const char *computer_name,
1064 bool integrity, bool privacy)
1065 {
1066 if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1067 if (!privacy && !integrity) {
1068 return NT_STATUS_OK;
1069 }
1070
1071 if ((!privacy && integrity) &&
1072 auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
1073 return NT_STATUS_OK;
1074 }
1075
1076 if ((privacy || integrity) &&
1077 auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
1078 return NT_STATUS_OK;
1079 }
1080 }
1081
1082 /* test didn't pass */
1083 DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
1084 computer_name));
1085
1086 return NT_STATUS_ACCESS_DENIED;
1087 }
1088
1089 /*************************************************************************
1090 *************************************************************************/
1091
1092 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1093 TALLOC_CTX *mem_ctx,
1094 const char *computer_name,
1095 struct netr_Authenticator *received_authenticator,
1096 struct netr_Authenticator *return_authenticator,
1097 struct netlogon_creds_CredentialState **creds_out)
1098 {
1099 NTSTATUS status;
1100 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1101 struct loadparm_context *lp_ctx;
1102
1103 if (schannel_global_required) {
1104 status = schannel_check_required(&p->auth,
1105 computer_name,
1106 false, false);
1107 if (!NT_STATUS_IS_OK(status)) {
1108 return status;
1109 }
1110 }
1111
1112 lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_helpers());
1113 if (lp_ctx == NULL) {
1114 DEBUG(0, ("loadparm_init_s3 failed\n"));
1115 return NT_STATUS_INTERNAL_ERROR;
1116 }
1117
1118 status = schannel_check_creds_state(mem_ctx, lp_ctx,
1119 computer_name, received_authenticator,
1120 return_authenticator, creds_out);
1121 talloc_unlink(mem_ctx, lp_ctx);
1122 return status;
1123 }
1124
1125 /*************************************************************************
1126 *************************************************************************/
1127
1128 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1129 struct auth_session_info *session_info,
1130 struct messaging_context *msg_ctx,
1131 const char *account_name,
1132 struct samr_Password *nt_hash)
1133 {
1134 NTSTATUS status;
1135 NTSTATUS result = NT_STATUS_OK;
1136 struct dcerpc_binding_handle *h = NULL;
1137 struct tsocket_address *local;
1138 struct policy_handle user_handle;
1139 uint32_t acct_ctrl;
1140 union samr_UserInfo *info;
1141 struct samr_UserInfo18 info18;
1142 DATA_BLOB in,out;
1143 int rc;
1144 DATA_BLOB session_key;
1145
1146 ZERO_STRUCT(user_handle);
1147
1148 status = session_extract_session_key(session_info,
1149 &session_key,
1150 KEY_USE_16BYTES);
1151 if (!NT_STATUS_IS_OK(status)) {
1152 goto out;
1153 }
1154
1155 rc = tsocket_address_inet_from_strings(mem_ctx,
1156 "ip",
1157 "127.0.0.1",
1158 0,
1159 &local);
1160 if (rc < 0) {
1161 status = NT_STATUS_NO_MEMORY;
1162 goto out;
1163 }
1164
1165 status = rpcint_binding_handle(mem_ctx,
1166 &ndr_table_samr,
1167 local,
1168 session_info,
1169 msg_ctx,
1170 &h);
1171 if (!NT_STATUS_IS_OK(status)) {
1172 goto out;
1173 }
1174
1175 become_root();
1176 status = samr_find_machine_account(mem_ctx,
1177 h,
1178 account_name,
1179 SEC_FLAG_MAXIMUM_ALLOWED,
1180 NULL,
1181 NULL,
1182 &user_handle);
1183 unbecome_root();
1184 if (!NT_STATUS_IS_OK(status)) {
1185 goto out;
1186 }
1187
1188 status = dcerpc_samr_QueryUserInfo2(h,
1189 mem_ctx,
1190 &user_handle,
1191 UserControlInformation,
1192 &info,
1193 &result);
1194 if (!NT_STATUS_IS_OK(status)) {
1195 goto out;
1196 }
1197 if (!NT_STATUS_IS_OK(result)) {
1198 status = result;
1199 goto out;
1200 }
1201
1202 acct_ctrl = info->info16.acct_flags;
1203
1204 if (!(acct_ctrl & ACB_WSTRUST ||
1205 acct_ctrl & ACB_SVRTRUST ||
1206 acct_ctrl & ACB_DOMTRUST)) {
1207 status = NT_STATUS_NO_SUCH_USER;
1208 goto out;
1209 }
1210
1211 if (acct_ctrl & ACB_DISABLED) {
1212 status = NT_STATUS_ACCOUNT_DISABLED;
1213 goto out;
1214 }
1215
1216 ZERO_STRUCT(info18);
1217
1218 in = data_blob_const(nt_hash->hash, 16);
1219 out = data_blob_talloc_zero(mem_ctx, 16);
1220 sess_crypt_blob(&out, &in, &session_key, true);
1221 memcpy(info18.nt_pwd.hash, out.data, out.length);
1222
1223 info18.nt_pwd_active = true;
1224
1225 info->info18 = info18;
1226
1227 become_root();
1228 status = dcerpc_samr_SetUserInfo2(h,
1229 mem_ctx,
1230 &user_handle,
1231 UserInternal1Information,
1232 info,
1233 &result);
1234 unbecome_root();
1235 if (!NT_STATUS_IS_OK(status)) {
1236 goto out;
1237 }
1238 if (!NT_STATUS_IS_OK(result)) {
1239 status = result;
1240 goto out;
1241 }
1242
1243 out:
1244 if (h && is_valid_policy_hnd(&user_handle)) {
1245 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
1246 }
1247
1248 return status;
1249 }
1250
1251 /*************************************************************************
1252 _netr_ServerPasswordSet
1253 *************************************************************************/
1254
1255 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1256 struct netr_ServerPasswordSet *r)
1257 {
1258 NTSTATUS status = NT_STATUS_OK;
1259 int i;
1260 struct netlogon_creds_CredentialState *creds;
1261
1262 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1263
1264 become_root();
1265 status = netr_creds_server_step_check(p, p->mem_ctx,
1266 r->in.computer_name,
1267 r->in.credential,
1268 r->out.return_authenticator,
1269 &creds);
1270 unbecome_root();
1271
1272 if (!NT_STATUS_IS_OK(status)) {
1273 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1274 "request from client %s machine account %s\n",
1275 r->in.computer_name, creds->computer_name));
1276 TALLOC_FREE(creds);
1277 return status;
1278 }
1279
1280 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1281 r->in.computer_name, creds->computer_name));
1282
1283 netlogon_creds_des_decrypt(creds, r->in.new_password);
1284
1285 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1286 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1287 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1288 DEBUG(100,("\n"));
1289
1290 status = netr_set_machine_account_password(p->mem_ctx,
1291 p->session_info,
1292 p->msg_ctx,
1293 creds->account_name,
1294 r->in.new_password);
1295 return status;
1296 }
1297
1298 /****************************************************************
1299 _netr_ServerPasswordSet2
1300 ****************************************************************/
1301
1302 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1303 struct netr_ServerPasswordSet2 *r)
1304 {
1305 NTSTATUS status;
1306 struct netlogon_creds_CredentialState *creds = NULL;
1307 DATA_BLOB plaintext;
1308 struct samr_CryptPassword password_buf;
1309 struct samr_Password nt_hash;
1310
1311 become_root();
1312 status = netr_creds_server_step_check(p, p->mem_ctx,
1313 r->in.computer_name,
1314 r->in.credential,
1315 r->out.return_authenticator,
1316 &creds);
1317 unbecome_root();
1318
1319 if (!NT_STATUS_IS_OK(status)) {
1320 const char *computer_name = "<unknown>";
1321
1322 if (creds && creds->computer_name) {
1323 computer_name = creds->computer_name;
1324 }
1325 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1326 "failed. Rejecting auth request from client %s machine account %s\n",
1327 r->in.computer_name, computer_name));
1328 TALLOC_FREE(creds);
1329 return status;
1330 }
1331
1332 memcpy(password_buf.data, r->in.new_password->data, 512);
1333 SIVAL(password_buf.data, 512, r->in.new_password->length);
1334
1335 if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
1336 netlogon_creds_aes_decrypt(creds, password_buf.data, 516);
1337 } else {
1338 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1339 }
1340
1341 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1342 TALLOC_FREE(creds);
1343 return NT_STATUS_WRONG_PASSWORD;
1344 }
1345
1346 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1347
1348 status = netr_set_machine_account_password(p->mem_ctx,
1349 p->session_info,
1350 p->msg_ctx,
1351 creds->account_name,
1352 &nt_hash);
1353 TALLOC_FREE(creds);
1354 return status;
1355 }
1356
1357 /*************************************************************************
1358 _netr_LogonSamLogoff
1359 *************************************************************************/
1360
1361 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1362 struct netr_LogonSamLogoff *r)
1363 {
1364 NTSTATUS status;
1365 struct netlogon_creds_CredentialState *creds;
1366
1367 become_root();
1368 status = netr_creds_server_step_check(p, p->mem_ctx,
1369 r->in.computer_name,
1370 r->in.credential,
1371 r->out.return_authenticator,
1372 &creds);
1373 unbecome_root();
1374
1375 return status;
1376 }
1377
1378 static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1379 {
1380 switch (r->in.logon_level) {
1381 case NetlogonInteractiveInformation:
1382 case NetlogonServiceInformation:
1383 case NetlogonInteractiveTransitiveInformation:
1384 case NetlogonServiceTransitiveInformation:
1385 if (r->in.logon->password == NULL) {
1386 return NT_STATUS_INVALID_PARAMETER;
1387 }
1388
1389 switch (r->in.validation_level) {
1390 case NetlogonValidationSamInfo: /* 2 */
1391 case NetlogonValidationSamInfo2: /* 3 */
1392 break;
1393 case NetlogonValidationSamInfo4: /* 6 */
1394 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1395 DEBUG(10,("Not adding validation info level 6 "
1396 "without ADS passdb backend\n"));
1397 return NT_STATUS_INVALID_INFO_CLASS;
1398 }
1399 break;
1400 default:
1401 return NT_STATUS_INVALID_INFO_CLASS;
1402 }
1403
1404 break;
1405 case NetlogonNetworkInformation:
1406 case NetlogonNetworkTransitiveInformation:
1407 if (r->in.logon->network == NULL) {
1408 return NT_STATUS_INVALID_PARAMETER;
1409 }
1410
1411 switch (r->in.validation_level) {
1412 case NetlogonValidationSamInfo: /* 2 */
1413 case NetlogonValidationSamInfo2: /* 3 */
1414 break;
1415 case NetlogonValidationSamInfo4: /* 6 */
1416 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1417 DEBUG(10,("Not adding validation info level 6 "
1418 "without ADS passdb backend\n"));
1419 return NT_STATUS_INVALID_INFO_CLASS;
1420 }
1421 break;
1422 default:
1423 return NT_STATUS_INVALID_INFO_CLASS;
1424 }
1425
1426 break;
1427
1428 case NetlogonGenericInformation:
1429 if (r->in.logon->generic == NULL) {
1430 return NT_STATUS_INVALID_PARAMETER;
1431 }
1432
1433 /* we don't support this here */
1434 return NT_STATUS_INVALID_PARAMETER;
1435 #if 0
1436 switch (r->in.validation_level) {
1437 /* TODO: case NetlogonValidationGenericInfo: 4 */
1438 case NetlogonValidationGenericInfo2: /* 5 */
1439 break;
1440 default:
1441 return NT_STATUS_INVALID_INFO_CLASS;
1442 }
1443
1444 break;
1445 #endif
1446 default:
1447 return NT_STATUS_INVALID_PARAMETER;
1448 }
1449
1450 return NT_STATUS_OK;
1451 }
1452
1453 /*************************************************************************
1454 _netr_LogonSamLogon_base
1455 *************************************************************************/
1456
1457 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1458 struct netr_LogonSamLogonEx *r,
1459 struct netlogon_creds_CredentialState *creds)
1460 {
1461 NTSTATUS status = NT_STATUS_OK;
1462 union netr_LogonLevel *logon = r->in.logon;
1463 const char *nt_username, *nt_domain, *nt_workstation;
1464 struct auth_usersupplied_info *user_info = NULL;
1465 struct auth_serversupplied_info *server_info = NULL;
1466 struct auth_context *auth_context = NULL;
1467 const char *fn;
1468
1469 #ifdef DEBUG_PASSWORD
1470 logon = netlogon_creds_shallow_copy_logon(p->mem_ctx,
1471 r->in.logon_level,
1472 r->in.logon);
1473 if (logon == NULL) {
1474 logon = r->in.logon;
1475 }
1476 #endif
1477
1478 switch (p->opnum) {
1479 case NDR_NETR_LOGONSAMLOGON:
1480 fn = "_netr_LogonSamLogon";
1481 break;
1482 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1483 fn = "_netr_LogonSamLogonWithFlags";
1484 break;
1485 case NDR_NETR_LOGONSAMLOGONEX:
1486 fn = "_netr_LogonSamLogonEx";
1487 break;
1488 default:
1489 return NT_STATUS_INTERNAL_ERROR;
1490 }
1491
1492 *r->out.authoritative = true; /* authoritative response */
1493
1494 switch (r->in.validation_level) {
1495 case 2:
1496 r->out.validation->sam2 = talloc_zero(p->mem_ctx, struct netr_SamInfo2);
1497 if (!r->out.validation->sam2) {
1498 return NT_STATUS_NO_MEMORY;
1499 }
1500 break;
1501 case 3:
1502 r->out.validation->sam3 = talloc_zero(p->mem_ctx, struct netr_SamInfo3);
1503 if (!r->out.validation->sam3) {
1504 return NT_STATUS_NO_MEMORY;
1505 }
1506 break;
1507 case 6:
1508 r->out.validation->sam6 = talloc_zero(p->mem_ctx, struct netr_SamInfo6);
1509 if (!r->out.validation->sam6) {
1510 return NT_STATUS_NO_MEMORY;
1511 }
1512 break;
1513 default:
1514 DEBUG(0,("%s: bad validation_level value %d.\n",
1515 fn, (int)r->in.validation_level));
1516 return NT_STATUS_INVALID_INFO_CLASS;
1517 }
1518
1519 switch (r->in.logon_level) {
1520 case NetlogonInteractiveInformation:
1521 case NetlogonServiceInformation:
1522 case NetlogonInteractiveTransitiveInformation:
1523 case NetlogonServiceTransitiveInformation:
1524 nt_username = logon->password->identity_info.account_name.string ?
1525 logon->password->identity_info.account_name.string : "";
1526 nt_domain = logon->password->identity_info.domain_name.string ?
1527 logon->password->identity_info.domain_name.string : "";
1528 nt_workstation = logon->password->identity_info.workstation.string ?
1529 logon->password->identity_info.workstation.string : "";
1530
1531 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1532 break;
1533 case NetlogonNetworkInformation:
1534 case NetlogonNetworkTransitiveInformation:
1535 nt_username = logon->network->identity_info.account_name.string ?
1536 logon->network->identity_info.account_name.string : "";
1537 nt_domain = logon->network->identity_info.domain_name.string ?
1538 logon->network->identity_info.domain_name.string : "";
1539 nt_workstation = logon->network->identity_info.workstation.string ?
1540 logon->network->identity_info.workstation.string : "";
1541
1542 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1543 break;
1544 default:
1545 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1546 return NT_STATUS_INVALID_INFO_CLASS;
1547 } /* end switch */
1548
1549 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1550 fstrcpy(current_user_info.smb_name, nt_username);
1551 sub_set_smb_name(nt_username);
1552
1553 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1554 r->in.validation_level, nt_username));
1555
1556 status = NT_STATUS_OK;
1557
1558 netlogon_creds_decrypt_samlogon_logon(creds,
1559 r->in.logon_level,
1560 logon);
1561
1562 switch (r->in.logon_level) {
1563 case NetlogonNetworkInformation:
1564 case NetlogonNetworkTransitiveInformation:
1565 {
1566 const char *wksname = nt_workstation;
1567
1568 status = make_auth_context_fixed(talloc_tos(), &auth_context,
1569 logon->network->challenge);
1570 if (!NT_STATUS_IS_OK(status)) {
1571 return status;
1572 }
1573
1574 /* For a network logon, the workstation name comes in with two
1575 * backslashes in the front. Strip them if they are there. */
1576
1577 if (*wksname == '\\') wksname++;
1578 if (*wksname == '\\') wksname++;
1579
1580 /* Standard challenge/response authentication */
1581 if (!make_user_info_netlogon_network(talloc_tos(),
1582 &user_info,
1583 nt_username, nt_domain,
1584 wksname,
1585 p->remote_address,
1586 logon->network->identity_info.parameter_control,
1587 logon->network->lm.data,
1588 logon->network->lm.length,
1589 logon->network->nt.data,
1590 logon->network->nt.length)) {
1591 status = NT_STATUS_NO_MEMORY;
1592 }
1593 break;
1594 }
1595 case NetlogonInteractiveInformation:
1596 case NetlogonServiceInformation:
1597 case NetlogonInteractiveTransitiveInformation:
1598 case NetlogonServiceTransitiveInformation:
1599
1600 /* 'Interactive' authentication, supplies the password in its
1601 MD4 form, encrypted with the session key. We will convert
1602 this to challenge/response for the auth subsystem to chew
1603 on */
1604 {
1605 uint8_t chal[8];
1606
1607 #ifdef DEBUG_PASSWORD
1608 if (logon != r->in.logon) {
1609 DEBUG(100,("lm owf password:"));
1610 dump_data(100,
1611 r->in.logon->password->lmpassword.hash, 16);
1612
1613 DEBUG(100,("nt owf password:"));
1614 dump_data(100,
1615 r->in.logon->password->ntpassword.hash, 16);
1616 }
1617
1618 DEBUG(100,("decrypt of lm owf password:"));
1619 dump_data(100, logon->password->lmpassword.hash, 16);
1620
1621 DEBUG(100,("decrypt of nt owf password:"));
1622 dump_data(100, logon->password->ntpassword.hash, 16);
1623 #endif
1624 status = make_auth_context_subsystem(talloc_tos(),
1625 &auth_context);
1626 if (!NT_STATUS_IS_OK(status)) {
1627 return status;
1628 }
1629
1630 auth_get_ntlm_challenge(auth_context, chal);
1631
1632 if (!make_user_info_netlogon_interactive(talloc_tos(),
1633 &user_info,
1634 nt_username, nt_domain,
1635 nt_workstation,
1636 p->remote_address,
1637 logon->password->identity_info.parameter_control,
1638 chal,
1639 logon->password->lmpassword.hash,
1640 logon->password->ntpassword.hash)) {
1641 status = NT_STATUS_NO_MEMORY;
1642 }
1643 break;
1644 }
1645 default:
1646 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1647 return NT_STATUS_INVALID_INFO_CLASS;
1648 } /* end switch */
1649
1650 if ( NT_STATUS_IS_OK(status) ) {
1651 status = auth_check_ntlm_password(p->mem_ctx,
1652 auth_context,
1653 user_info,
1654 &server_info);
1655 }
1656
1657 TALLOC_FREE(auth_context);
1658 TALLOC_FREE(user_info);
1659
1660 DEBUG(5,("%s: check_password returned status %s\n",
1661 fn, nt_errstr(status)));
1662
1663 /* Check account and password */
1664
1665 if (!NT_STATUS_IS_OK(status)) {
1666 /* If we don't know what this domain is, we need to
1667 indicate that we are not authoritative. This
1668 allows the client to decide if it needs to try
1669 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1670 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1671 && !strequal(nt_domain, get_global_sam_name())
1672 && !is_trusted_domain(nt_domain) )
1673 *r->out.authoritative = false; /* We are not authoritative */
1674
1675 TALLOC_FREE(server_info);
1676 return status;
1677 }
1678
1679 if (server_info->guest) {
1680 /* We don't like guest domain logons... */
1681 DEBUG(5,("%s: Attempted domain logon as GUEST "
1682 "denied.\n", fn));
1683 TALLOC_FREE(server_info);
1684 return NT_STATUS_LOGON_FAILURE;
1685 }
1686
1687 /* This is the point at which, if the login was successful, that
1688 the SAM Local Security Authority should record that the user is
1689 logged in to the domain. */
1690
1691 switch (r->in.validation_level) {
1692 case 2:
1693 status = serverinfo_to_SamInfo2(server_info,
1694 r->out.validation->sam2);
1695 break;
1696 case 3:
1697 status = serverinfo_to_SamInfo3(server_info,
1698 r->out.validation->sam3);
1699 break;
1700 case 6:
1701 status = serverinfo_to_SamInfo6(server_info,
1702 r->out.validation->sam6);
1703 break;
1704 }
1705
1706 TALLOC_FREE(server_info);
1707
1708 if (!NT_STATUS_IS_OK(status)) {
1709 return status;
1710 }
1711
1712 netlogon_creds_encrypt_samlogon_validation(creds,
1713 r->in.validation_level,
1714 r->out.validation);
1715 return NT_STATUS_OK;
1716 }
1717
1718 /****************************************************************
1719 _netr_LogonSamLogonWithFlags
1720 ****************************************************************/
1721
1722 NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
1723 struct netr_LogonSamLogonWithFlags *r)
1724 {
1725 NTSTATUS status;
1726 struct netlogon_creds_CredentialState *creds;
1727 struct netr_LogonSamLogonEx r2;
1728 struct netr_Authenticator return_authenticator;
1729
1730 *r->out.authoritative = true;
1731
1732 r2.in.server_name = r->in.server_name;
1733 r2.in.computer_name = r->in.computer_name;
1734 r2.in.logon_level = r->in.logon_level;
1735 r2.in.logon = r->in.logon;
1736 r2.in.validation_level = r->in.validation_level;
1737 r2.in.flags = r->in.flags;
1738 r2.out.validation = r->out.validation;
1739 r2.out.authoritative = r->out.authoritative;
1740 r2.out.flags = r->out.flags;
1741
1742 status = _netr_LogonSamLogon_check(&r2);
1743 if (!NT_STATUS_IS_OK(status)) {
1744 return status;
1745 }
1746
1747 become_root();
1748 status = netr_creds_server_step_check(p, p->mem_ctx,
1749 r->in.computer_name,
1750 r->in.credential,
1751 &return_authenticator,
1752 &creds);
1753 unbecome_root();
1754 if (!NT_STATUS_IS_OK(status)) {
1755 return status;
1756 }
1757
1758 status = _netr_LogonSamLogon_base(p, &r2, creds);
1759
1760 *r->out.return_authenticator = return_authenticator;
1761
1762 return status;
1763 }
1764
1765 /*************************************************************************
1766 _netr_LogonSamLogon
1767 *************************************************************************/
1768
1769 NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
1770 struct netr_LogonSamLogon *r)
1771 {
1772 NTSTATUS status;
1773 struct netr_LogonSamLogonWithFlags r2;
1774 uint32_t flags = 0;
1775
1776 r2.in.server_name = r->in.server_name;
1777 r2.in.computer_name = r->in.computer_name;
1778 r2.in.credential = r->in.credential;
1779 r2.in.logon_level = r->in.logon_level;
1780 r2.in.logon = r->in.logon;
1781 r2.in.validation_level = r->in.validation_level;
1782 r2.in.return_authenticator = r->in.return_authenticator;
1783 r2.in.flags = &flags;
1784 r2.out.validation = r->out.validation;
1785 r2.out.authoritative = r->out.authoritative;
1786 r2.out.flags = &flags;
1787 r2.out.return_authenticator = r->out.return_authenticator;
1788
1789 status = _netr_LogonSamLogonWithFlags(p, &r2);
1790
1791 return status;
1792 }
1793
1794 /*************************************************************************
1795 _netr_LogonSamLogonEx
1796 - no credential chaining. Map into net sam logon.
1797 *************************************************************************/
1798
1799 NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
1800 struct netr_LogonSamLogonEx *r)
1801 {
1802 NTSTATUS status;
1803 struct netlogon_creds_CredentialState *creds = NULL;
1804 struct loadparm_context *lp_ctx;
1805
1806 *r->out.authoritative = true;
1807
1808 status = _netr_LogonSamLogon_check(r);
1809 if (!NT_STATUS_IS_OK(status)) {
1810 return status;
1811 }
1812
1813 /* Only allow this if the pipe is protected. */
1814 if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
1815 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1816 get_remote_machine_name() ));
1817 return NT_STATUS_INVALID_PARAMETER;
1818 }
1819
1820 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
1821 if (lp_ctx == NULL) {
1822 DEBUG(0, ("loadparm_init_s3 failed\n"));
1823 return NT_STATUS_INTERNAL_ERROR;
1824 }
1825
1826 become_root();
1827 status = schannel_get_creds_state(p->mem_ctx, lp_ctx,
1828 r->in.computer_name, &creds);
1829 unbecome_root();
1830 talloc_unlink(p->mem_ctx, lp_ctx);
1831
1832 if (!NT_STATUS_IS_OK(status)) {
1833 return status;
1834 }
1835
1836 status = _netr_LogonSamLogon_base(p, r, creds);
1837 TALLOC_FREE(creds);
1838
1839 return status;
1840 }
1841
1842 /*************************************************************************
1843 _ds_enum_dom_trusts
1844 *************************************************************************/
1845 #if 0 /* JERRY -- not correct */
1846 NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1847 DS_R_ENUM_DOM_TRUSTS *r_u)
1848 {
1849 NTSTATUS status = NT_STATUS_OK;
1850
1851 /* TODO: According to MSDN, the can only be executed against a
1852 DC or domain member running Windows 2000 or later. Need
1853 to test against a standalone 2k server and see what it
1854 does. A windows 2000 DC includes its own domain in the
1855 list. --jerry */
1856
1857 return status;
1858 }
1859 #endif /* JERRY */
1860
1861
1862 /****************************************************************
1863 ****************************************************************/
1864
1865 WERROR _netr_LogonUasLogon(struct pipes_struct *p,
1866 struct netr_LogonUasLogon *r)
1867 {
1868 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1869 return WERR_NOT_SUPPORTED;
1870 }
1871
1872 /****************************************************************
1873 ****************************************************************/
1874
1875 WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
1876 struct netr_LogonUasLogoff *r)
1877 {
1878 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1879 return WERR_NOT_SUPPORTED;
1880 }
1881
1882 /****************************************************************
1883 ****************************************************************/
1884
1885 NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
1886 struct netr_DatabaseDeltas *r)
1887 {
1888 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1889 return NT_STATUS_NOT_IMPLEMENTED;
1890 }
1891
1892 /****************************************************************
1893 ****************************************************************/
1894
1895 NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
1896 struct netr_DatabaseSync *r)
1897 {
1898 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1899 return NT_STATUS_NOT_IMPLEMENTED;
1900 }
1901
1902 /****************************************************************
1903 ****************************************************************/
1904
1905 NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
1906 struct netr_AccountDeltas *r)
1907 {
1908 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1909 return NT_STATUS_NOT_IMPLEMENTED;
1910 }
1911
1912 /****************************************************************
1913 ****************************************************************/
1914
1915 NTSTATUS _netr_AccountSync(struct pipes_struct *p,
1916 struct netr_AccountSync *r)
1917 {
1918 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1919 return NT_STATUS_NOT_IMPLEMENTED;
1920 }
1921
1922 /****************************************************************
1923 ****************************************************************/
1924
1925 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1926 const char *domain,
1927 const char **dcname,
1928 uint32_t flags,
1929 WERROR *werr)
1930 {
1931 wbcErr result;
1932 struct wbcDomainControllerInfo *dc_info = NULL;
1933
1934 result = wbcLookupDomainController(domain,
1935 flags,
1936 &dc_info);
1937 switch (result) {
1938 case WBC_ERR_SUCCESS:
1939 break;
1940 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1941 return false;
1942 case WBC_ERR_DOMAIN_NOT_FOUND:
1943 *werr = WERR_NO_SUCH_DOMAIN;
1944 return true;
1945 default:
1946 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1947 return true;
1948 }
1949
1950 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1951 wbcFreeMemory(dc_info);
1952 if (!*dcname) {
1953 *werr = WERR_NOMEM;
1954 return false;
1955 }
1956
1957 *werr = WERR_OK;
1958
1959 return true;
1960 }
1961
1962 /****************************************************************
1963 _netr_GetDcName
1964 ****************************************************************/
1965
1966 WERROR _netr_GetDcName(struct pipes_struct *p,
1967 struct netr_GetDcName *r)
1968 {
1969 NTSTATUS status;
1970 WERROR werr;
1971 uint32_t flags;
1972 struct netr_DsRGetDCNameInfo *info;
1973 bool ret;
1974
1975 ret = wb_getdcname(p->mem_ctx,
1976 r->in.domainname,
1977 r->out.dcname,
1978 WBC_LOOKUP_DC_IS_FLAT_NAME |
1979 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1980 WBC_LOOKUP_DC_PDC_REQUIRED,
1981 &werr);
1982 if (ret == true) {
1983 return werr;
1984 }
1985
1986 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1987
1988 status = dsgetdcname(p->mem_ctx,
1989 p->msg_ctx,
1990 r->in.domainname,
1991 NULL,
1992 NULL,
1993 flags,
1994 &info);
1995 if (!NT_STATUS_IS_OK(status)) {
1996 return ntstatus_to_werror(status);
1997 }
1998
1999 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2000 talloc_free(info);
2001 if (!*r->out.dcname) {
2002 return WERR_NOMEM;
2003 }
2004
2005 return WERR_OK;
2006 }
2007
2008 /****************************************************************
2009 _netr_GetAnyDCName
2010 ****************************************************************/
2011
2012 WERROR _netr_GetAnyDCName(struct pipes_struct *p,
2013 struct netr_GetAnyDCName *r)
2014 {
2015 NTSTATUS status;
2016 WERROR werr;
2017 uint32_t flags;
2018 struct netr_DsRGetDCNameInfo *info;
2019 bool ret;
2020
2021 ret = wb_getdcname(p->mem_ctx,
2022 r->in.domainname,
2023 r->out.dcname,
2024 WBC_LOOKUP_DC_IS_FLAT_NAME |
2025 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
2026 &werr);
2027 if (ret == true) {
2028 return werr;
2029 }
2030
2031 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
2032
2033 status = dsgetdcname(p->mem_ctx,
2034 p->msg_ctx,
2035 r->in.domainname,
2036 NULL,
2037 NULL,
2038 flags,
2039 &info);
2040 if (!NT_STATUS_IS_OK(status)) {
2041 return ntstatus_to_werror(status);
2042 }
2043
2044 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2045 talloc_free(info);
2046 if (!*r->out.dcname) {
2047 return WERR_NOMEM;
2048 }
2049
2050 return WERR_OK;
2051 }
2052
2053 /****************************************************************
2054 ****************************************************************/
2055
2056 NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
2057 struct netr_DatabaseSync2 *r)
2058 {
2059 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2060 return NT_STATUS_NOT_IMPLEMENTED;
2061 }
2062
2063 /****************************************************************
2064 ****************************************************************/
2065
2066 NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
2067 struct netr_DatabaseRedo *r)
2068 {
2069 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2070 return NT_STATUS_NOT_IMPLEMENTED;
2071 }
2072
2073 /****************************************************************
2074 ****************************************************************/
2075
2076 WERROR _netr_DsRGetDCName(struct pipes_struct *p,
2077 struct netr_DsRGetDCName *r)
2078 {
2079 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2080 return WERR_NOT_SUPPORTED;
2081 }
2082
2083 /****************************************************************
2084 ****************************************************************/
2085
2086 NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
2087 struct netr_LogonGetCapabilities *r)
2088 {
2089 struct netlogon_creds_CredentialState *creds;
2090 NTSTATUS status;
2091
2092 become_root();
2093 status = netr_creds_server_step_check(p, p->mem_ctx,
2094 r->in.computer_name,
2095 r->in.credential,
2096 r->out.return_authenticator,
2097 &creds);
2098 unbecome_root();
2099 if (!NT_STATUS_IS_OK(status)) {
2100 return status;
2101 }
2102
2103 if (r->in.query_level != 1) {
2104 return NT_STATUS_NOT_SUPPORTED;
2105 }
2106
2107 r->out.capabilities->server_capabilities = creds->negotiate_flags;
2108
2109 return NT_STATUS_OK;
2110 }
2111
2112 /****************************************************************
2113 ****************************************************************/
2114
2115 WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
2116 struct netr_NETRLOGONSETSERVICEBITS *r)
2117 {
2118 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2119 return WERR_NOT_SUPPORTED;
2120 }
2121
2122 /****************************************************************
2123 ****************************************************************/
2124
2125 WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
2126 struct netr_LogonGetTrustRid *r)
2127 {
2128 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2129 return WERR_NOT_SUPPORTED;
2130 }
2131
2132 /****************************************************************
2133 ****************************************************************/
2134
2135 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
2136 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
2137 {
2138 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2139 return WERR_NOT_SUPPORTED;
2140 }
2141
2142 /****************************************************************
2143 ****************************************************************/
2144
2145 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
2146 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
2147 {
2148 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2149 return WERR_NOT_SUPPORTED;
2150 }
2151
2152 /****************************************************************
2153 ****************************************************************/
2154
2155 WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
2156 struct netr_DsRGetDCNameEx *r)
2157 {
2158 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2159 return WERR_NOT_SUPPORTED;
2160 }
2161
2162 /****************************************************************
2163 ****************************************************************/
2164
2165 WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
2166 struct netr_DsRGetSiteName *r)
2167 {
2168 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2169 return WERR_NOT_SUPPORTED;
2170 }
2171
2172 /****************************************************************
2173 ****************************************************************/
2174
2175 NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
2176 struct netr_LogonGetDomainInfo *r)
2177 {
2178 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2179 return NT_STATUS_NOT_IMPLEMENTED;
2180 }
2181
2182 /****************************************************************
2183 ****************************************************************/
2184
2185 WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
2186 struct netr_ServerPasswordGet *r)
2187 {
2188 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2189 return WERR_NOT_SUPPORTED;
2190 }
2191
2192 /****************************************************************
2193 ****************************************************************/
2194
2195 WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
2196 struct netr_NETRLOGONSENDTOSAM *r)
2197 {
2198 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2199 return WERR_NOT_SUPPORTED;
2200 }
2201
2202 /****************************************************************
2203 ****************************************************************/
2204
2205 WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
2206 struct netr_DsRAddressToSitenamesW *r)
2207 {
2208 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2209 return WERR_NOT_SUPPORTED;
2210 }
2211
2212 /****************************************************************
2213 ****************************************************************/
2214
2215 WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
2216 struct netr_DsRGetDCNameEx2 *r)
2217 {
2218 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2219 return WERR_NOT_SUPPORTED;
2220 }
2221
2222 /****************************************************************
2223 ****************************************************************/
2224
2225 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
2226 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
2227 {
2228 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2229 return WERR_NOT_SUPPORTED;
2230 }
2231
2232 /****************************************************************
2233 ****************************************************************/
2234
2235 WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
2236 struct netr_NetrEnumerateTrustedDomainsEx *r)
2237 {
2238 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2239 return WERR_NOT_SUPPORTED;
2240 }
2241
2242 /****************************************************************
2243 ****************************************************************/
2244
2245 WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
2246 struct netr_DsRAddressToSitenamesExW *r)
2247 {
2248 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2249 return WERR_NOT_SUPPORTED;
2250 }
2251
2252 /****************************************************************
2253 ****************************************************************/
2254
2255 WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
2256 struct netr_DsrGetDcSiteCoverageW *r)
2257 {
2258 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2259 return WERR_NOT_SUPPORTED;
2260 }
2261
2262 /****************************************************************
2263 ****************************************************************/
2264
2265 WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
2266 struct netr_DsrEnumerateDomainTrusts *r)
2267 {
2268 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2269 return WERR_NOT_SUPPORTED;
2270 }
2271
2272 /****************************************************************
2273 ****************************************************************/
2274
2275 WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
2276 struct netr_DsrDeregisterDNSHostRecords *r)
2277 {
2278 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2279 return WERR_NOT_SUPPORTED;
2280 }
2281
2282 /****************************************************************
2283 ****************************************************************/
2284
2285 NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
2286 struct netr_ServerTrustPasswordsGet *r)
2287 {
2288 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2289 return NT_STATUS_NOT_IMPLEMENTED;
2290 }
2291
2292 /****************************************************************
2293 ****************************************************************/
2294
2295 static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2296 struct lsa_ForestTrustInformation *info)
2297 {
2298 struct lsa_ForestTrustRecord *e;
2299 struct pdb_domain_info *dom_info;
2300 struct lsa_ForestTrustDomainInfo *domain_info;
2301 char **upn_suffixes = NULL;
2302 uint32_t num_suffixes = 0;
2303 uint32_t i = 0;
2304 NTSTATUS status;
2305
2306 dom_info = pdb_get_domain_info(mem_ctx);
2307 if (dom_info == NULL) {
2308 return NT_STATUS_NO_MEMORY;
2309 }
2310
2311 info->count = 2;
2312
2313 become_root();
2314 status = pdb_enum_upn_suffixes(info, &num_suffixes, &upn_suffixes);
2315 unbecome_root();
2316 if (NT_STATUS_IS_OK(status) && (num_suffixes > 0)) {
2317 info->count += num_suffixes;
2318 }
2319
2320 info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, info->count);
2321 if (info->entries == NULL) {
2322 return NT_STATUS_NO_MEMORY;
2323 }
2324
2325 e = talloc(info, struct lsa_ForestTrustRecord);
2326 if (e == NULL) {
2327 return NT_STATUS_NO_MEMORY;
2328 }
2329
2330 e->flags = 0;
2331 e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2332 e->time = 0; /* so far always 0 in trces. */
2333 e->forest_trust_data.top_level_name.string = talloc_steal(info,
2334 dom_info->dns_forest);
2335
2336 info->entries[0] = e;
2337
2338 if (num_suffixes > 0) {
2339 for (i = 0; i < num_suffixes ; i++) {
2340 e = talloc(info, struct lsa_ForestTrustRecord);
2341 if (e == NULL) {
2342 return NT_STATUS_NO_MEMORY;
2343 }
2344
2345 e->flags = 0;
2346 e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2347 e->time = 0; /* so far always 0 in traces. */
2348 e->forest_trust_data.top_level_name.string = upn_suffixes[i];
2349 info->entries[1 + i] = e;
2350 }
2351 }
2352
2353 e = talloc(info, struct lsa_ForestTrustRecord);
2354 if (e == NULL) {
2355 return NT_STATUS_NO_MEMORY;
2356 }
2357
2358 /* TODO: check if disabled and set flags accordingly */
2359 e->flags = 0;
2360 e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2361 e->time = 0; /* so far always 0 in traces. */
2362
2363 domain_info = &e->forest_trust_data.domain_info;
2364 domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2365
2366 domain_info->dns_domain_name.string = talloc_steal(info,
2367 dom_info->dns_domain);
2368 domain_info->netbios_domain_name.string = talloc_steal(info,
2369 dom_info->name);
2370
2371 info->entries[info->count - 1] = e;
2372
2373 return NT_STATUS_OK;
2374 }
2375
2376 /****************************************************************
2377 ****************************************************************/
2378
2379 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2380 struct netr_DsRGetForestTrustInformation *r)
2381 {
2382 NTSTATUS status;
2383 struct lsa_ForestTrustInformation *info, **info_ptr;
2384
2385 if (!(p->pipe_bound && (p->auth.auth_type != DCERPC_AUTH_TYPE_NONE)
2386 && (p->auth.auth_level != DCERPC_AUTH_LEVEL_NONE))) {
2387 p->fault_state = DCERPC_FAULT_ACCESS_DENIED;
2388 return WERR_ACCESS_DENIED;
2389 }
2390
2391 if (r->in.flags & (~DS_GFTI_UPDATE_TDO)) {
2392 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2393 return WERR_INVALID_FLAGS;
2394 }
2395
2396 if ((r->in.flags & DS_GFTI_UPDATE_TDO) && (lp_server_role() != ROLE_DOMAIN_PDC)) {
2397 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2398 return WERR_NERR_NOTPRIMARY;
2399 }
2400
2401 if ((r->in.trusted_domain_name == NULL) && (r->in.flags & DS_GFTI_UPDATE_TDO)) {
2402 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2403 return WERR_INVALID_PARAMETER;
2404 }
2405
2406 /* retrieve forest trust information and stop further processing */
2407 if (r->in.trusted_domain_name == NULL) {
2408 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2409 if (info_ptr == NULL) {
2410 p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2411 return WERR_NOMEM;
2412 }
2413 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2414 if (info == NULL) {
2415 p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2416 return WERR_NOMEM;
2417 }
2418
2419 /* Fill forest trust information and expand UPN suffixes list */
2420 status = fill_forest_trust_array(p->mem_ctx, info);
2421 if (!NT_STATUS_IS_OK(status)) {
2422 p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2423 return WERR_NOMEM;
2424 }
2425
2426 *info_ptr = info;
2427 r->out.forest_trust_info = info_ptr;
2428
2429 return WERR_OK;
2430
2431 }
2432
2433 /* TODO: implement remaining parts of DsrGetForestTrustInformation (opnum 43)
2434 * when trusted_domain_name is not NULL */
2435
2436 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2437 return WERR_NOT_SUPPORTED;
2438 }
2439
2440 /****************************************************************
2441 _netr_GetForestTrustInformation
2442 ****************************************************************/
2443
2444 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2445 struct netr_GetForestTrustInformation *r)
2446 {
2447 NTSTATUS status;
2448 struct netlogon_creds_CredentialState *creds;
2449 struct lsa_ForestTrustInformation *info, **info_ptr;
2450 struct loadparm_context *lp_ctx;
2451
2452 /* TODO: check server name */
2453
2454 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2455 if (lp_ctx == NULL) {
2456 DEBUG(0, ("loadparm_init_s3 failed\n"));
2457 return NT_STATUS_INTERNAL_ERROR;
2458 }
2459
2460 status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2461 r->in.computer_name,
2462 r->in.credential,
2463 r->out.return_authenticator,
2464 &creds);
2465 talloc_unlink(p->mem_ctx, lp_ctx);
2466 if (!NT_STATUS_IS_OK(status)) {
2467 return status;
2468 }
2469
2470 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2471 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2472 return NT_STATUS_NOT_IMPLEMENTED;
2473 }
2474
2475 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2476 if (!info_ptr) {
2477 return NT_STATUS_NO_MEMORY;
2478 }
2479 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2480 if (!info) {
2481 return NT_STATUS_NO_MEMORY;
2482 }
2483
2484 /* Fill forest trust information, do expand UPN suffixes list */
2485 status = fill_forest_trust_array(p->mem_ctx, info);
2486 if (!NT_STATUS_IS_OK(status)) {
2487 return status;
2488 }
2489
2490 *info_ptr = info;
2491 r->out.forest_trust_info = info_ptr;
2492
2493 return NT_STATUS_OK;
2494 }
2495
2496 /****************************************************************
2497 ****************************************************************/
2498
2499 static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2500 const DATA_BLOB *trustAuth_blob,
2501 struct netlogon_creds_CredentialState *creds,
2502 struct samr_Password *current_pw_enc,
2503 struct samr_Password *previous_pw_enc)
2504 {
2505 enum ndr_err_code ndr_err;
2506 struct trustAuthInOutBlob trustAuth;
2507
2508 ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2509 (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2510 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2511 return NT_STATUS_UNSUCCESSFUL;
2512 }
2513
2514 if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2515 trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2516 mdfour(current_pw_enc->hash,
2517 trustAuth.current.array[0].AuthInfo.clear.password,
2518 trustAuth.current.array[0].AuthInfo.clear.size);
2519 netlogon_creds_des_encrypt(creds, current_pw_enc);
2520 } else {
2521 return NT_STATUS_UNSUCCESSFUL;
2522 }
2523
2524
2525 if (trustAuth.previous.count != 0 &&
2526 trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2527 mdfour(previous_pw_enc->hash,
2528 trustAuth.previous.array[0].AuthInfo.clear.password,
2529 trustAuth.previous.array[0].AuthInfo.clear.size);
2530 netlogon_creds_des_encrypt(creds, previous_pw_enc);
2531 } else {
2532 ZERO_STRUCTP(previous_pw_enc);
2533 }
2534
2535 return NT_STATUS_OK;
2536 }
2537
2538 /****************************************************************
2539 _netr_ServerGetTrustInfo
2540 ****************************************************************/
2541
2542 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2543 struct netr_ServerGetTrustInfo *r)
2544 {
2545 NTSTATUS status;
2546 struct netlogon_creds_CredentialState *creds;
2547 char *account_name;
2548 size_t account_name_last;
2549 bool trusted;
2550 struct netr_TrustInfo *trust_info;
2551 struct pdb_trusted_domain *td;
2552 struct loadparm_context *lp_ctx;
2553
2554 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2555 if (lp_ctx == NULL) {
2556 DEBUG(0, ("loadparm_init_s3 failed\n"));
2557 return NT_STATUS_INTERNAL_ERROR;
2558 }
2559
2560 /* TODO: check server name */
2561
2562 status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2563 r->in.computer_name,
2564 r->in.credential,
2565 r->out.return_authenticator,
2566 &creds);
2567 talloc_unlink(p->mem_ctx, lp_ctx);
2568 if (!NT_STATUS_IS_OK(status)) {
2569 return status;
2570 }
2571
2572 account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2573 if (account_name == NULL) {
2574 return NT_STATUS_NO_MEMORY;
2575 }
2576
2577 account_name_last = strlen(account_name);
2578 if (account_name_last == 0) {
2579 return NT_STATUS_INVALID_PARAMETER;
2580 }
2581 account_name_last--;
2582 if (account_name[account_name_last] == '.') {
2583 account_name[account_name_last] = '\0';
2584 }
2585
2586 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2587 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2588 trusted = false;
2589 } else {
2590 trusted = true;
2591 }
2592
2593
2594 if (trusted) {
2595 account_name_last = strlen(account_name);
2596 if (account_name_last == 0) {
2597 return NT_STATUS_INVALID_PARAMETER;
2598 }
2599 account_name_last--;
2600 if (account_name[account_name_last] == '$') {
2601 account_name[account_name_last] = '\0';
2602 }
2603
2604 status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2605 if (!NT_STATUS_IS_OK(status)) {
2606 return status;
2607 }
2608
2609 if (r->out.trust_info != NULL) {
2610 trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2611 if (trust_info == NULL) {
2612 return NT_STATUS_NO_MEMORY;
2613 }
2614 trust_info->count = 1;
2615
2616 trust_info->data = talloc_array(trust_info, uint32_t, 1);
2617 if (trust_info->data == NULL) {
2618 return NT_STATUS_NO_MEMORY;
2619 }
2620 trust_info->data[0] = td->trust_attributes;
2621
2622 *r->out.trust_info = trust_info;
2623 }
2624
2625 if (td->trust_auth_incoming.data == NULL) {
2626 return NT_STATUS_INVALID_PARAMETER;
2627 }
2628
2629 status = get_password_from_trustAuth(p->mem_ctx,
2630 &td->trust_auth_incoming,
2631 creds,
2632 r->out.new_owf_password,
2633 r->out.old_owf_password);
2634
2635 if (!NT_STATUS_IS_OK(status)) {
2636 return status;
2637 }
2638
2639 } else {
2640 /* TODO: look for machine password */
2641 ZERO_STRUCTP(r->out.new_owf_password);
2642 ZERO_STRUCTP(r->out.old_owf_password);
2643
2644 return NT_STATUS_NOT_IMPLEMENTED;
2645 }
2646
2647 return NT_STATUS_OK;
2648 }
2649
2650 /****************************************************************
2651 ****************************************************************/
2652
2653 NTSTATUS _netr_Unused47(struct pipes_struct *p,
2654 struct netr_Unused47 *r)
2655 {
2656 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2657 return NT_STATUS_NOT_IMPLEMENTED;
2658 }
2659
2660 /****************************************************************
2661 ****************************************************************/
2662
2663 NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2664 struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2665 {
2666 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2667 return NT_STATUS_NOT_IMPLEMENTED;
2668 }
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