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s3:libsmb: let cli_read_andx_create() accept any length
[Samba/gebeck_regimport.git] / source3 / rpc_server / netlogon / srv_netlog_nt.c
blobe5da138491ba206d567e697e9aa7c3aa9ec3a1f0
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 (rids.count != types.count) {
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 become_root();
702 status = samr_find_machine_account(mem_ctx, h, mach_acct,
703 SEC_FLAG_MAXIMUM_ALLOWED,
704 &domain_sid, &user_rid,
705 &user_handle);
706 unbecome_root();
707 if (!NT_STATUS_IS_OK(status)) {
708 goto out;
709 }
710
711 status = dcerpc_samr_QueryUserInfo2(h,
712 mem_ctx,
713 &user_handle,
714 UserControlInformation,
715 &info,
716 &result);
717 if (!NT_STATUS_IS_OK(status)) {
718 goto out;
719 }
720 if (!NT_STATUS_IS_OK(result)) {
721 status = result;
722 goto out;
723 }
724
725 acct_ctrl = info->info16.acct_flags;
726
727 if (acct_ctrl & ACB_DISABLED) {
728 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
729 status = NT_STATUS_ACCOUNT_DISABLED;
730 goto out;
731 }
732
733 if (!(acct_ctrl & ACB_SVRTRUST) &&
734 !(acct_ctrl & ACB_WSTRUST) &&
735 !(acct_ctrl & ACB_DOMTRUST))
736 {
737 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
738 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
739 goto out;
740 }
741
742 switch (sec_chan_type) {
743 case SEC_CHAN_BDC:
744 if (!(acct_ctrl & ACB_SVRTRUST)) {
745 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
746 "but not a server trust account\n", mach_acct));
747 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
748 goto out;
749 }
750 break;
751 case SEC_CHAN_WKSTA:
752 if (!(acct_ctrl & ACB_WSTRUST)) {
753 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
754 "but not a workstation trust account\n", mach_acct));
755 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
756 goto out;
757 }
758 break;
759 case SEC_CHAN_DOMAIN:
760 if (!(acct_ctrl & ACB_DOMTRUST)) {
761 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
762 "but not a interdomain trust account\n", mach_acct));
763 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
764 goto out;
765 }
766 break;
767 default:
768 break;
769 }
770
771 become_root();
772 status = dcerpc_samr_QueryUserInfo2(h,
773 mem_ctx,
774 &user_handle,
775 UserInternal1Information,
776 &info,
777 &result);
778 unbecome_root();
779 if (!NT_STATUS_IS_OK(status)) {
780 goto out;
781 }
782 if (!NT_STATUS_IS_OK(result)) {
783 status = result;
784 goto out;
785 }
786
787 if (info->info18.nt_pwd_active == 0) {
788 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
789 status = NT_STATUS_LOGON_FAILURE;
790 goto out;
791 }
792
793 /* samr gives out nthash unencrypted (!) */
794 memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
795
796 sid_compose(sid, domain_sid, user_rid);
797
798 out:
799 if (h && is_valid_policy_hnd(&user_handle)) {
800 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
801 }
802
803 talloc_free(mem_ctx);
804
805 return status;
806 }
807
808 /*************************************************************************
809 _netr_ServerReqChallenge
810 *************************************************************************/
811
812 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
813 struct netr_ServerReqChallenge *r)
814 {
815 struct netlogon_server_pipe_state *pipe_state =
816 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
817
818 if (pipe_state) {
819 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
820 talloc_free(pipe_state);
821 p->private_data = NULL;
822 }
823
824 pipe_state = talloc(p, struct netlogon_server_pipe_state);
825 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
826
827 pipe_state->client_challenge = *r->in.credentials;
828
829 generate_random_buffer(pipe_state->server_challenge.data,
830 sizeof(pipe_state->server_challenge.data));
831
832 *r->out.return_credentials = pipe_state->server_challenge;
833
834 p->private_data = pipe_state;
835
836 return NT_STATUS_OK;
837 }
838
839 /*************************************************************************
840 _netr_ServerAuthenticate
841 Create the initial credentials.
842 *************************************************************************/
843
844 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
845 struct netr_ServerAuthenticate *r)
846 {
847 struct netr_ServerAuthenticate3 a;
848 uint32_t negotiate_flags = 0;
849 uint32_t rid;
850
851 a.in.server_name = r->in.server_name;
852 a.in.account_name = r->in.account_name;
853 a.in.secure_channel_type = r->in.secure_channel_type;
854 a.in.computer_name = r->in.computer_name;
855 a.in.credentials = r->in.credentials;
856 a.in.negotiate_flags = &negotiate_flags;
857
858 a.out.return_credentials = r->out.return_credentials;
859 a.out.rid = &rid;
860 a.out.negotiate_flags = &negotiate_flags;
861
862 return _netr_ServerAuthenticate3(p, &a);
863
864 }
865
866 /*************************************************************************
867 _netr_ServerAuthenticate3
868 *************************************************************************/
869
870 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
871 struct netr_ServerAuthenticate3 *r)
872 {
873 NTSTATUS status;
874 uint32_t srv_flgs;
875 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
876 * so use a copy to avoid destroying the client values. */
877 uint32_t in_neg_flags = *r->in.negotiate_flags;
878 const char *fn;
879 struct loadparm_context *lp_ctx;
880 struct dom_sid sid;
881 struct samr_Password mach_pwd;
882 struct netlogon_creds_CredentialState *creds;
883 struct netlogon_server_pipe_state *pipe_state =
884 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
885
886 /* According to Microsoft (see bugid #6099)
887 * Windows 7 looks at the negotiate_flags
888 * returned in this structure *even if the
889 * call fails with access denied* ! So in order
890 * to allow Win7 to connect to a Samba NT style
891 * PDC we set the flags before we know if it's
892 * an error or not.
893 */
894
895 /* 0x000001ff */
896 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
897 NETLOGON_NEG_PERSISTENT_SAMREPL |
898 NETLOGON_NEG_ARCFOUR |
899 NETLOGON_NEG_PROMOTION_COUNT |
900 NETLOGON_NEG_CHANGELOG_BDC |
901 NETLOGON_NEG_FULL_SYNC_REPL |
902 NETLOGON_NEG_MULTIPLE_SIDS |
903 NETLOGON_NEG_REDO |
904 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
905 NETLOGON_NEG_PASSWORD_SET2;
906
907 /* Ensure we support strong (128-bit) keys. */
908 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
909 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
910 }
911
912 if (in_neg_flags & NETLOGON_NEG_SUPPORTS_AES) {
913 srv_flgs |= NETLOGON_NEG_SUPPORTS_AES;
914 }
915
916 if (lp_server_schannel() != false) {
917 srv_flgs |= NETLOGON_NEG_SCHANNEL;
918 }
919
920 /*
921 * Support authenticaten of trusted domains.
922 *
923 * These flags are the minimum required set which works with win2k3
924 * and win2k8.
925 */
926 if (pdb_capabilities() & PDB_CAP_TRUSTED_DOMAINS_EX) {
927 srv_flgs |= NETLOGON_NEG_TRANSITIVE_TRUSTS |
928 NETLOGON_NEG_DNS_DOMAIN_TRUSTS |
929 NETLOGON_NEG_CROSS_FOREST_TRUSTS |
930 NETLOGON_NEG_NEUTRALIZE_NT4_EMULATION;
931 }
932
933 switch (p->opnum) {
934 case NDR_NETR_SERVERAUTHENTICATE:
935 fn = "_netr_ServerAuthenticate";
936 break;
937 case NDR_NETR_SERVERAUTHENTICATE2:
938 fn = "_netr_ServerAuthenticate2";
939 break;
940 case NDR_NETR_SERVERAUTHENTICATE3:
941 fn = "_netr_ServerAuthenticate3";
942 break;
943 default:
944 return NT_STATUS_INTERNAL_ERROR;
945 }
946
947 /* We use this as the key to store the creds: */
948 /* r->in.computer_name */
949
950 if (!pipe_state) {
951 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
952 r->in.computer_name));
953 status = NT_STATUS_ACCESS_DENIED;
954 goto out;
955 }
956
957 if ( (lp_server_schannel() == true) &&
958 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
959
960 /* schannel must be used, but client did not offer it. */
961 DEBUG(0,("%s: schannel required but client failed "
962 "to offer it. Client was %s\n",
963 fn, r->in.account_name));
964 status = NT_STATUS_ACCESS_DENIED;
965 goto out;
966 }
967
968 status = get_md4pw(&mach_pwd,
969 r->in.account_name,
970 r->in.secure_channel_type,
971 &sid, p->msg_ctx);
972 if (!NT_STATUS_IS_OK(status)) {
973 DEBUG(0,("%s: failed to get machine password for "
974 "account %s: %s\n",
975 fn, r->in.account_name, nt_errstr(status) ));
976 /* always return NT_STATUS_ACCESS_DENIED */
977 status = NT_STATUS_ACCESS_DENIED;
978 goto out;
979 }
980
981 /* From the client / server challenges and md4 password, generate sess key */
982 /* Check client credentials are valid. */
983 creds = netlogon_creds_server_init(p->mem_ctx,
984 r->in.account_name,
985 r->in.computer_name,
986 r->in.secure_channel_type,
987 &pipe_state->client_challenge,
988 &pipe_state->server_challenge,
989 &mach_pwd,
990 r->in.credentials,
991 r->out.return_credentials,
992 srv_flgs);
993 if (!creds) {
994 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
995 "request from client %s machine account %s\n",
996 fn, r->in.computer_name,
997 r->in.account_name));
998 status = NT_STATUS_ACCESS_DENIED;
999 goto out;
1000 }
1001
1002 creds->sid = dom_sid_dup(creds, &sid);
1003 if (!creds->sid) {
1004 status = NT_STATUS_NO_MEMORY;
1005 goto out;
1006 }
1007
1008 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
1009 if (lp_ctx == NULL) {
1010 DEBUG(10, ("loadparm_init_s3 failed\n"));
1011 status = NT_STATUS_INTERNAL_ERROR;
1012 goto out;
1013 }
1014
1015 /* Store off the state so we can continue after client disconnect. */
1016 become_root();
1017 status = schannel_save_creds_state(p->mem_ctx, lp_ctx, creds);
1018 unbecome_root();
1019
1020 talloc_unlink(p->mem_ctx, lp_ctx);
1021
1022 if (!NT_STATUS_IS_OK(status)) {
1023 goto out;
1024 }
1025
1026 sid_peek_rid(&sid, r->out.rid);
1027
1028 status = NT_STATUS_OK;
1029
1030 out:
1031
1032 *r->out.negotiate_flags = srv_flgs;
1033 return status;
1034 }
1035
1036 /*************************************************************************
1037 _netr_ServerAuthenticate2
1038 *************************************************************************/
1039
1040 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1041 struct netr_ServerAuthenticate2 *r)
1042 {
1043 struct netr_ServerAuthenticate3 a;
1044 uint32_t rid;
1045
1046 a.in.server_name = r->in.server_name;
1047 a.in.account_name = r->in.account_name;
1048 a.in.secure_channel_type = r->in.secure_channel_type;
1049 a.in.computer_name = r->in.computer_name;
1050 a.in.credentials = r->in.credentials;
1051 a.in.negotiate_flags = r->in.negotiate_flags;
1052
1053 a.out.return_credentials = r->out.return_credentials;
1054 a.out.rid = &rid;
1055 a.out.negotiate_flags = r->out.negotiate_flags;
1056
1057 return _netr_ServerAuthenticate3(p, &a);
1058 }
1059
1060 /*************************************************************************
1061 * If schannel is required for this call test that it actually is available.
1062 *************************************************************************/
1063 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
1064 const char *computer_name,
1065 bool integrity, bool privacy)
1066 {
1067 if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1068 if (!privacy && !integrity) {
1069 return NT_STATUS_OK;
1070 }
1071
1072 if ((!privacy && integrity) &&
1073 auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
1074 return NT_STATUS_OK;
1075 }
1076
1077 if ((privacy || integrity) &&
1078 auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
1079 return NT_STATUS_OK;
1080 }
1081 }
1082
1083 /* test didn't pass */
1084 DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
1085 computer_name));
1086
1087 return NT_STATUS_ACCESS_DENIED;
1088 }
1089
1090 /*************************************************************************
1091 *************************************************************************/
1092
1093 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1094 TALLOC_CTX *mem_ctx,
1095 const char *computer_name,
1096 struct netr_Authenticator *received_authenticator,
1097 struct netr_Authenticator *return_authenticator,
1098 struct netlogon_creds_CredentialState **creds_out)
1099 {
1100 NTSTATUS status;
1101 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1102 struct loadparm_context *lp_ctx;
1103
1104 if (schannel_global_required) {
1105 status = schannel_check_required(&p->auth,
1106 computer_name,
1107 false, false);
1108 if (!NT_STATUS_IS_OK(status)) {
1109 return status;
1110 }
1111 }
1112
1113 lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_helpers());
1114 if (lp_ctx == NULL) {
1115 DEBUG(0, ("loadparm_init_s3 failed\n"));
1116 return NT_STATUS_INTERNAL_ERROR;
1117 }
1118
1119 status = schannel_check_creds_state(mem_ctx, lp_ctx,
1120 computer_name, received_authenticator,
1121 return_authenticator, creds_out);
1122 talloc_unlink(mem_ctx, lp_ctx);
1123 return status;
1124 }
1125
1126 /*************************************************************************
1127 *************************************************************************/
1128
1129 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1130 struct auth_session_info *session_info,
1131 struct messaging_context *msg_ctx,
1132 const char *account_name,
1133 struct samr_Password *nt_hash)
1134 {
1135 NTSTATUS status;
1136 NTSTATUS result = NT_STATUS_OK;
1137 struct dcerpc_binding_handle *h = NULL;
1138 struct tsocket_address *local;
1139 struct policy_handle user_handle;
1140 uint32_t acct_ctrl;
1141 union samr_UserInfo *info;
1142 struct samr_UserInfo18 info18;
1143 DATA_BLOB in,out;
1144 int rc;
1145 DATA_BLOB session_key;
1146
1147 ZERO_STRUCT(user_handle);
1148
1149 status = session_extract_session_key(session_info,
1150 &session_key,
1151 KEY_USE_16BYTES);
1152 if (!NT_STATUS_IS_OK(status)) {
1153 goto out;
1154 }
1155
1156 rc = tsocket_address_inet_from_strings(mem_ctx,
1157 "ip",
1158 "127.0.0.1",
1159 0,
1160 &local);
1161 if (rc < 0) {
1162 status = NT_STATUS_NO_MEMORY;
1163 goto out;
1164 }
1165
1166 status = rpcint_binding_handle(mem_ctx,
1167 &ndr_table_samr,
1168 local,
1169 session_info,
1170 msg_ctx,
1171 &h);
1172 if (!NT_STATUS_IS_OK(status)) {
1173 goto out;
1174 }
1175
1176 become_root();
1177 status = samr_find_machine_account(mem_ctx,
1178 h,
1179 account_name,
1180 SEC_FLAG_MAXIMUM_ALLOWED,
1181 NULL,
1182 NULL,
1183 &user_handle);
1184 unbecome_root();
1185 if (!NT_STATUS_IS_OK(status)) {
1186 goto out;
1187 }
1188
1189 status = dcerpc_samr_QueryUserInfo2(h,
1190 mem_ctx,
1191 &user_handle,
1192 UserControlInformation,
1193 &info,
1194 &result);
1195 if (!NT_STATUS_IS_OK(status)) {
1196 goto out;
1197 }
1198 if (!NT_STATUS_IS_OK(result)) {
1199 status = result;
1200 goto out;
1201 }
1202
1203 acct_ctrl = info->info16.acct_flags;
1204
1205 if (!(acct_ctrl & ACB_WSTRUST ||
1206 acct_ctrl & ACB_SVRTRUST ||
1207 acct_ctrl & ACB_DOMTRUST)) {
1208 status = NT_STATUS_NO_SUCH_USER;
1209 goto out;
1210 }
1211
1212 if (acct_ctrl & ACB_DISABLED) {
1213 status = NT_STATUS_ACCOUNT_DISABLED;
1214 goto out;
1215 }
1216
1217 ZERO_STRUCT(info18);
1218
1219 in = data_blob_const(nt_hash->hash, 16);
1220 out = data_blob_talloc_zero(mem_ctx, 16);
1221 sess_crypt_blob(&out, &in, &session_key, true);
1222 memcpy(info18.nt_pwd.hash, out.data, out.length);
1223
1224 info18.nt_pwd_active = true;
1225
1226 info->info18 = info18;
1227
1228 become_root();
1229 status = dcerpc_samr_SetUserInfo2(h,
1230 mem_ctx,
1231 &user_handle,
1232 UserInternal1Information,
1233 info,
1234 &result);
1235 unbecome_root();
1236 if (!NT_STATUS_IS_OK(status)) {
1237 goto out;
1238 }
1239 if (!NT_STATUS_IS_OK(result)) {
1240 status = result;
1241 goto out;
1242 }
1243
1244 out:
1245 if (h && is_valid_policy_hnd(&user_handle)) {
1246 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
1247 }
1248
1249 return status;
1250 }
1251
1252 /*************************************************************************
1253 _netr_ServerPasswordSet
1254 *************************************************************************/
1255
1256 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1257 struct netr_ServerPasswordSet *r)
1258 {
1259 NTSTATUS status = NT_STATUS_OK;
1260 int i;
1261 struct netlogon_creds_CredentialState *creds;
1262
1263 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1264
1265 become_root();
1266 status = netr_creds_server_step_check(p, p->mem_ctx,
1267 r->in.computer_name,
1268 r->in.credential,
1269 r->out.return_authenticator,
1270 &creds);
1271 unbecome_root();
1272
1273 if (!NT_STATUS_IS_OK(status)) {
1274 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1275 "request from client %s machine account %s\n",
1276 r->in.computer_name, creds->computer_name));
1277 TALLOC_FREE(creds);
1278 return status;
1279 }
1280
1281 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1282 r->in.computer_name, creds->computer_name));
1283
1284 netlogon_creds_des_decrypt(creds, r->in.new_password);
1285
1286 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1287 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1288 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1289 DEBUG(100,("\n"));
1290
1291 status = netr_set_machine_account_password(p->mem_ctx,
1292 p->session_info,
1293 p->msg_ctx,
1294 creds->account_name,
1295 r->in.new_password);
1296 return status;
1297 }
1298
1299 /****************************************************************
1300 _netr_ServerPasswordSet2
1301 ****************************************************************/
1302
1303 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1304 struct netr_ServerPasswordSet2 *r)
1305 {
1306 NTSTATUS status;
1307 struct netlogon_creds_CredentialState *creds = NULL;
1308 DATA_BLOB plaintext;
1309 struct samr_CryptPassword password_buf;
1310 struct samr_Password nt_hash;
1311
1312 become_root();
1313 status = netr_creds_server_step_check(p, p->mem_ctx,
1314 r->in.computer_name,
1315 r->in.credential,
1316 r->out.return_authenticator,
1317 &creds);
1318 unbecome_root();
1319
1320 if (!NT_STATUS_IS_OK(status)) {
1321 const char *computer_name = "<unknown>";
1322
1323 if (creds && creds->computer_name) {
1324 computer_name = creds->computer_name;
1325 }
1326 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1327 "failed. Rejecting auth request from client %s machine account %s\n",
1328 r->in.computer_name, computer_name));
1329 TALLOC_FREE(creds);
1330 return status;
1331 }
1332
1333 memcpy(password_buf.data, r->in.new_password->data, 512);
1334 SIVAL(password_buf.data, 512, r->in.new_password->length);
1335
1336 if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
1337 netlogon_creds_aes_decrypt(creds, password_buf.data, 516);
1338 } else {
1339 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1340 }
1341
1342 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1343 TALLOC_FREE(creds);
1344 return NT_STATUS_WRONG_PASSWORD;
1345 }
1346
1347 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1348
1349 status = netr_set_machine_account_password(p->mem_ctx,
1350 p->session_info,
1351 p->msg_ctx,
1352 creds->account_name,
1353 &nt_hash);
1354 TALLOC_FREE(creds);
1355 return status;
1356 }
1357
1358 /*************************************************************************
1359 _netr_LogonSamLogoff
1360 *************************************************************************/
1361
1362 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1363 struct netr_LogonSamLogoff *r)
1364 {
1365 NTSTATUS status;
1366 struct netlogon_creds_CredentialState *creds;
1367
1368 become_root();
1369 status = netr_creds_server_step_check(p, p->mem_ctx,
1370 r->in.computer_name,
1371 r->in.credential,
1372 r->out.return_authenticator,
1373 &creds);
1374 unbecome_root();
1375
1376 return status;
1377 }
1378
1379 static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1380 {
1381 switch (r->in.logon_level) {
1382 case NetlogonInteractiveInformation:
1383 case NetlogonServiceInformation:
1384 case NetlogonInteractiveTransitiveInformation:
1385 case NetlogonServiceTransitiveInformation:
1386 if (r->in.logon->password == NULL) {
1387 return NT_STATUS_INVALID_PARAMETER;
1388 }
1389
1390 switch (r->in.validation_level) {
1391 case NetlogonValidationSamInfo: /* 2 */
1392 case NetlogonValidationSamInfo2: /* 3 */
1393 break;
1394 case NetlogonValidationSamInfo4: /* 6 */
1395 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1396 DEBUG(10,("Not adding validation info level 6 "
1397 "without ADS passdb backend\n"));
1398 return NT_STATUS_INVALID_INFO_CLASS;
1399 }
1400 break;
1401 default:
1402 return NT_STATUS_INVALID_INFO_CLASS;
1403 }
1404
1405 break;
1406 case NetlogonNetworkInformation:
1407 case NetlogonNetworkTransitiveInformation:
1408 if (r->in.logon->network == NULL) {
1409 return NT_STATUS_INVALID_PARAMETER;
1410 }
1411
1412 switch (r->in.validation_level) {
1413 case NetlogonValidationSamInfo: /* 2 */
1414 case NetlogonValidationSamInfo2: /* 3 */
1415 break;
1416 case NetlogonValidationSamInfo4: /* 6 */
1417 if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1418 DEBUG(10,("Not adding validation info level 6 "
1419 "without ADS passdb backend\n"));
1420 return NT_STATUS_INVALID_INFO_CLASS;
1421 }
1422 break;
1423 default:
1424 return NT_STATUS_INVALID_INFO_CLASS;
1425 }
1426
1427 break;
1428
1429 case NetlogonGenericInformation:
1430 if (r->in.logon->generic == NULL) {
1431 return NT_STATUS_INVALID_PARAMETER;
1432 }
1433
1434 /* we don't support this here */
1435 return NT_STATUS_INVALID_PARAMETER;
1436 #if 0
1437 switch (r->in.validation_level) {
1438 /* TODO: case NetlogonValidationGenericInfo: 4 */
1439 case NetlogonValidationGenericInfo2: /* 5 */
1440 break;
1441 default:
1442 return NT_STATUS_INVALID_INFO_CLASS;
1443 }
1444
1445 break;
1446 #endif
1447 default:
1448 return NT_STATUS_INVALID_PARAMETER;
1449 }
1450
1451 return NT_STATUS_OK;
1452 }
1453
1454 /*************************************************************************
1455 _netr_LogonSamLogon_base
1456 *************************************************************************/
1457
1458 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1459 struct netr_LogonSamLogonEx *r,
1460 struct netlogon_creds_CredentialState *creds)
1461 {
1462 NTSTATUS status = NT_STATUS_OK;
1463 union netr_LogonLevel *logon = r->in.logon;
1464 const char *nt_username, *nt_domain, *nt_workstation;
1465 struct auth_usersupplied_info *user_info = NULL;
1466 struct auth_serversupplied_info *server_info = NULL;
1467 struct auth_context *auth_context = NULL;
1468 const char *fn;
1469
1470 switch (p->opnum) {
1471 case NDR_NETR_LOGONSAMLOGON:
1472 fn = "_netr_LogonSamLogon";
1473 break;
1474 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1475 fn = "_netr_LogonSamLogonWithFlags";
1476 break;
1477 case NDR_NETR_LOGONSAMLOGONEX:
1478 fn = "_netr_LogonSamLogonEx";
1479 break;
1480 default:
1481 return NT_STATUS_INTERNAL_ERROR;
1482 }
1483
1484 *r->out.authoritative = true; /* authoritative response */
1485
1486 switch (r->in.validation_level) {
1487 case 2:
1488 r->out.validation->sam2 = talloc_zero(p->mem_ctx, struct netr_SamInfo2);
1489 if (!r->out.validation->sam2) {
1490 return NT_STATUS_NO_MEMORY;
1491 }
1492 break;
1493 case 3:
1494 r->out.validation->sam3 = talloc_zero(p->mem_ctx, struct netr_SamInfo3);
1495 if (!r->out.validation->sam3) {
1496 return NT_STATUS_NO_MEMORY;
1497 }
1498 break;
1499 case 6:
1500 r->out.validation->sam6 = talloc_zero(p->mem_ctx, struct netr_SamInfo6);
1501 if (!r->out.validation->sam6) {
1502 return NT_STATUS_NO_MEMORY;
1503 }
1504 break;
1505 default:
1506 DEBUG(0,("%s: bad validation_level value %d.\n",
1507 fn, (int)r->in.validation_level));
1508 return NT_STATUS_INVALID_INFO_CLASS;
1509 }
1510
1511 switch (r->in.logon_level) {
1512 case NetlogonInteractiveInformation:
1513 case NetlogonServiceInformation:
1514 case NetlogonInteractiveTransitiveInformation:
1515 case NetlogonServiceTransitiveInformation:
1516 nt_username = logon->password->identity_info.account_name.string ?
1517 logon->password->identity_info.account_name.string : "";
1518 nt_domain = logon->password->identity_info.domain_name.string ?
1519 logon->password->identity_info.domain_name.string : "";
1520 nt_workstation = logon->password->identity_info.workstation.string ?
1521 logon->password->identity_info.workstation.string : "";
1522
1523 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1524 break;
1525 case NetlogonNetworkInformation:
1526 case NetlogonNetworkTransitiveInformation:
1527 nt_username = logon->network->identity_info.account_name.string ?
1528 logon->network->identity_info.account_name.string : "";
1529 nt_domain = logon->network->identity_info.domain_name.string ?
1530 logon->network->identity_info.domain_name.string : "";
1531 nt_workstation = logon->network->identity_info.workstation.string ?
1532 logon->network->identity_info.workstation.string : "";
1533
1534 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1535 break;
1536 default:
1537 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1538 return NT_STATUS_INVALID_INFO_CLASS;
1539 } /* end switch */
1540
1541 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1542 fstrcpy(current_user_info.smb_name, nt_username);
1543 sub_set_smb_name(nt_username);
1544
1545 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1546 r->in.validation_level, nt_username));
1547
1548 status = NT_STATUS_OK;
1549
1550 switch (r->in.logon_level) {
1551 case NetlogonNetworkInformation:
1552 case NetlogonNetworkTransitiveInformation:
1553 {
1554 const char *wksname = nt_workstation;
1555
1556 status = make_auth_context_fixed(talloc_tos(), &auth_context,
1557 logon->network->challenge);
1558 if (!NT_STATUS_IS_OK(status)) {
1559 return status;
1560 }
1561
1562 /* For a network logon, the workstation name comes in with two
1563 * backslashes in the front. Strip them if they are there. */
1564
1565 if (*wksname == '\\') wksname++;
1566 if (*wksname == '\\') wksname++;
1567
1568 /* Standard challenge/response authentication */
1569 if (!make_user_info_netlogon_network(&user_info,
1570 nt_username, nt_domain,
1571 wksname,
1572 p->remote_address,
1573 logon->network->identity_info.parameter_control,
1574 logon->network->lm.data,
1575 logon->network->lm.length,
1576 logon->network->nt.data,
1577 logon->network->nt.length)) {
1578 status = NT_STATUS_NO_MEMORY;
1579 }
1580 break;
1581 }
1582 case NetlogonInteractiveInformation:
1583 case NetlogonServiceInformation:
1584 case NetlogonInteractiveTransitiveInformation:
1585 case NetlogonServiceTransitiveInformation:
1586
1587 /* 'Interactive' authentication, supplies the password in its
1588 MD4 form, encrypted with the session key. We will convert
1589 this to challenge/response for the auth subsystem to chew
1590 on */
1591 {
1592 uint8_t chal[8];
1593
1594 #ifdef DEBUG_PASSWORD
1595 DEBUG(100,("lm owf password:"));
1596 dump_data(100, logon->password->lmpassword.hash, 16);
1597
1598 DEBUG(100,("nt owf password:"));
1599 dump_data(100, logon->password->ntpassword.hash, 16);
1600 #endif
1601 if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
1602 netlogon_creds_aes_decrypt(creds,
1603 logon->password->lmpassword.hash,
1604 16);
1605 netlogon_creds_aes_decrypt(creds,
1606 logon->password->ntpassword.hash,
1607 16);
1608 } else if (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
1609 netlogon_creds_arcfour_crypt(creds,
1610 logon->password->lmpassword.hash,
1611 16);
1612 netlogon_creds_arcfour_crypt(creds,
1613 logon->password->ntpassword.hash,
1614 16);
1615 } else {
1616 netlogon_creds_des_decrypt(creds, &logon->password->lmpassword);
1617 netlogon_creds_des_decrypt(creds, &logon->password->ntpassword);
1618 }
1619
1620 #ifdef DEBUG_PASSWORD
1621 DEBUG(100,("decrypt of lm owf password:"));
1622 dump_data(100, logon->password->lmpassword.hash, 16);
1623
1624 DEBUG(100,("decrypt of nt owf password:"));
1625 dump_data(100, logon->password->ntpassword.hash, 16);
1626 #endif
1627 status = make_auth_context_subsystem(talloc_tos(),
1628 &auth_context);
1629 if (!NT_STATUS_IS_OK(status)) {
1630 return status;
1631 }
1632
1633 auth_get_ntlm_challenge(auth_context, chal);
1634
1635 if (!make_user_info_netlogon_interactive(&user_info,
1636 nt_username, nt_domain,
1637 nt_workstation,
1638 p->remote_address,
1639 logon->password->identity_info.parameter_control,
1640 chal,
1641 logon->password->lmpassword.hash,
1642 logon->password->ntpassword.hash)) {
1643 status = NT_STATUS_NO_MEMORY;
1644 }
1645 break;
1646 }
1647 default:
1648 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1649 return NT_STATUS_INVALID_INFO_CLASS;
1650 } /* end switch */
1651
1652 if ( NT_STATUS_IS_OK(status) ) {
1653 status = auth_check_ntlm_password(auth_context,
1654 user_info, &server_info);
1655 }
1656
1657 TALLOC_FREE(auth_context);
1658 free_user_info(&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 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2296 struct netr_DsRGetForestTrustInformation *r)
2297 {
2298 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2299 return WERR_NOT_SUPPORTED;
2300 }
2301
2302 /****************************************************************
2303 ****************************************************************/
2304
2305 static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2306 struct lsa_ForestTrustInformation *info)
2307 {
2308 struct lsa_ForestTrustRecord *e;
2309 struct pdb_domain_info *dom_info;
2310 struct lsa_ForestTrustDomainInfo *domain_info;
2311
2312 dom_info = pdb_get_domain_info(mem_ctx);
2313 if (dom_info == NULL) {
2314 return NT_STATUS_NO_MEMORY;
2315 }
2316
2317 info->count = 2;
2318 info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, 2);
2319 if (info->entries == NULL) {
2320 return NT_STATUS_NO_MEMORY;
2321 }
2322
2323 e = talloc(info, struct lsa_ForestTrustRecord);
2324 if (e == NULL) {
2325 return NT_STATUS_NO_MEMORY;
2326 }
2327
2328 e->flags = 0;
2329 e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2330 e->time = 0; /* so far always 0 in trces. */
2331 e->forest_trust_data.top_level_name.string = talloc_steal(info,
2332 dom_info->dns_forest);
2333
2334 info->entries[0] = e;
2335
2336 e = talloc(info, struct lsa_ForestTrustRecord);
2337 if (e == NULL) {
2338 return NT_STATUS_NO_MEMORY;
2339 }
2340
2341 /* TODO: check if disabled and set flags accordingly */
2342 e->flags = 0;
2343 e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2344 e->time = 0; /* so far always 0 in traces. */
2345
2346 domain_info = &e->forest_trust_data.domain_info;
2347 domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2348
2349 domain_info->dns_domain_name.string = talloc_steal(info,
2350 dom_info->dns_domain);
2351 domain_info->netbios_domain_name.string = talloc_steal(info,
2352 dom_info->name);
2353
2354 info->entries[1] = e;
2355
2356 return NT_STATUS_OK;
2357 }
2358
2359 /****************************************************************
2360 _netr_GetForestTrustInformation
2361 ****************************************************************/
2362
2363 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2364 struct netr_GetForestTrustInformation *r)
2365 {
2366 NTSTATUS status;
2367 struct netlogon_creds_CredentialState *creds;
2368 struct lsa_ForestTrustInformation *info, **info_ptr;
2369 struct loadparm_context *lp_ctx;
2370
2371 /* TODO: check server name */
2372
2373 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2374 if (lp_ctx == NULL) {
2375 DEBUG(0, ("loadparm_init_s3 failed\n"));
2376 return NT_STATUS_INTERNAL_ERROR;
2377 }
2378
2379 status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2380 r->in.computer_name,
2381 r->in.credential,
2382 r->out.return_authenticator,
2383 &creds);
2384 talloc_unlink(p->mem_ctx, lp_ctx);
2385 if (!NT_STATUS_IS_OK(status)) {
2386 return status;
2387 }
2388
2389 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2390 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2391 return NT_STATUS_NOT_IMPLEMENTED;
2392 }
2393
2394 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2395 if (!info_ptr) {
2396 return NT_STATUS_NO_MEMORY;
2397 }
2398 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2399 if (!info) {
2400 return NT_STATUS_NO_MEMORY;
2401 }
2402
2403 status = fill_forest_trust_array(p->mem_ctx, info);
2404 if (!NT_STATUS_IS_OK(status)) {
2405 return status;
2406 }
2407
2408 *info_ptr = info;
2409 r->out.forest_trust_info = info_ptr;
2410
2411 return NT_STATUS_OK;
2412 }
2413
2414 /****************************************************************
2415 ****************************************************************/
2416
2417 static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2418 const DATA_BLOB *trustAuth_blob,
2419 struct netlogon_creds_CredentialState *creds,
2420 struct samr_Password *current_pw_enc,
2421 struct samr_Password *previous_pw_enc)
2422 {
2423 enum ndr_err_code ndr_err;
2424 struct trustAuthInOutBlob trustAuth;
2425
2426 ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2427 (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2428 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2429 return NT_STATUS_UNSUCCESSFUL;
2430 }
2431
2432 if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2433 trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2434 mdfour(current_pw_enc->hash,
2435 trustAuth.current.array[0].AuthInfo.clear.password,
2436 trustAuth.current.array[0].AuthInfo.clear.size);
2437 netlogon_creds_des_encrypt(creds, current_pw_enc);
2438 } else {
2439 return NT_STATUS_UNSUCCESSFUL;
2440 }
2441
2442
2443 if (trustAuth.previous.count != 0 &&
2444 trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2445 mdfour(previous_pw_enc->hash,
2446 trustAuth.previous.array[0].AuthInfo.clear.password,
2447 trustAuth.previous.array[0].AuthInfo.clear.size);
2448 netlogon_creds_des_encrypt(creds, previous_pw_enc);
2449 } else {
2450 ZERO_STRUCTP(previous_pw_enc);
2451 }
2452
2453 return NT_STATUS_OK;
2454 }
2455
2456 /****************************************************************
2457 _netr_ServerGetTrustInfo
2458 ****************************************************************/
2459
2460 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2461 struct netr_ServerGetTrustInfo *r)
2462 {
2463 NTSTATUS status;
2464 struct netlogon_creds_CredentialState *creds;
2465 char *account_name;
2466 size_t account_name_last;
2467 bool trusted;
2468 struct netr_TrustInfo *trust_info;
2469 struct pdb_trusted_domain *td;
2470 struct loadparm_context *lp_ctx;
2471
2472 lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2473 if (lp_ctx == NULL) {
2474 DEBUG(0, ("loadparm_init_s3 failed\n"));
2475 return NT_STATUS_INTERNAL_ERROR;
2476 }
2477
2478 /* TODO: check server name */
2479
2480 status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2481 r->in.computer_name,
2482 r->in.credential,
2483 r->out.return_authenticator,
2484 &creds);
2485 talloc_unlink(p->mem_ctx, lp_ctx);
2486 if (!NT_STATUS_IS_OK(status)) {
2487 return status;
2488 }
2489
2490 account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2491 if (account_name == NULL) {
2492 return NT_STATUS_NO_MEMORY;
2493 }
2494
2495 account_name_last = strlen(account_name);
2496 if (account_name_last == 0) {
2497 return NT_STATUS_INVALID_PARAMETER;
2498 }
2499 account_name_last--;
2500 if (account_name[account_name_last] == '.') {
2501 account_name[account_name_last] = '\0';
2502 }
2503
2504 if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2505 (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2506 trusted = false;
2507 } else {
2508 trusted = true;
2509 }
2510
2511
2512 if (trusted) {
2513 account_name_last = strlen(account_name);
2514 if (account_name_last == 0) {
2515 return NT_STATUS_INVALID_PARAMETER;
2516 }
2517 account_name_last--;
2518 if (account_name[account_name_last] == '$') {
2519 account_name[account_name_last] = '\0';
2520 }
2521
2522 status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2523 if (!NT_STATUS_IS_OK(status)) {
2524 return status;
2525 }
2526
2527 if (r->out.trust_info != NULL) {
2528 trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2529 if (trust_info == NULL) {
2530 return NT_STATUS_NO_MEMORY;
2531 }
2532 trust_info->count = 1;
2533
2534 trust_info->data = talloc_array(trust_info, uint32_t, 1);
2535 if (trust_info->data == NULL) {
2536 return NT_STATUS_NO_MEMORY;
2537 }
2538 trust_info->data[0] = td->trust_attributes;
2539
2540 *r->out.trust_info = trust_info;
2541 }
2542
2543 if (td->trust_auth_incoming.data == NULL) {
2544 return NT_STATUS_INVALID_PARAMETER;
2545 }
2546
2547 status = get_password_from_trustAuth(p->mem_ctx,
2548 &td->trust_auth_incoming,
2549 creds,
2550 r->out.new_owf_password,
2551 r->out.old_owf_password);
2552
2553 if (!NT_STATUS_IS_OK(status)) {
2554 return status;
2555 }
2556
2557 } else {
2558 /* TODO: look for machine password */
2559 ZERO_STRUCTP(r->out.new_owf_password);
2560 ZERO_STRUCTP(r->out.old_owf_password);
2561
2562 return NT_STATUS_NOT_IMPLEMENTED;
2563 }
2564
2565 return NT_STATUS_OK;
2566 }
2567
2568 /****************************************************************
2569 ****************************************************************/
2570
2571 NTSTATUS _netr_Unused47(struct pipes_struct *p,
2572 struct netr_Unused47 *r)
2573 {
2574 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2575 return NT_STATUS_NOT_IMPLEMENTED;
2576 }
2577
2578 /****************************************************************
2579 ****************************************************************/
2580
2581 NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2582 struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2583 {
2584 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2585 return NT_STATUS_NOT_IMPLEMENTED;
2586 }
reg import