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s3-dcerpc: Use dcerpc_AuthType in pipe_auth_data
[Samba.git] / source3 / rpc_server / srv_netlog_nt.c
blob56b5027958a8ef966cff11fe2cf8e817bb83f5e2
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 "../libcli/auth/schannel.h"
29 #include "../librpc/gen_ndr/srv_netlogon.h"
30 #include "../librpc/gen_ndr/srv_samr.h"
31 #include "../librpc/gen_ndr/srv_lsa.h"
32 #include "../librpc/gen_ndr/cli_samr.h"
33 #include "../librpc/gen_ndr/cli_lsa.h"
34 #include "rpc_client/cli_lsarpc.h"
35 #include "librpc/gen_ndr/messaging.h"
36 #include "../lib/crypto/md4.h"
37
38 extern userdom_struct current_user_info;
39
40 #undef DBGC_CLASS
41 #define DBGC_CLASS DBGC_RPC_SRV
42
43 struct netlogon_server_pipe_state {
44 struct netr_Credential client_challenge;
45 struct netr_Credential server_challenge;
46 };
47
48 /*************************************************************************
49 _netr_LogonControl
50 *************************************************************************/
51
52 WERROR _netr_LogonControl(struct pipes_struct *p,
53 struct netr_LogonControl *r)
54 {
55 struct netr_LogonControl2Ex l;
56
57 switch (r->in.level) {
58 case 1:
59 break;
60 case 2:
61 return WERR_NOT_SUPPORTED;
62 default:
63 return WERR_UNKNOWN_LEVEL;
64 }
65
66 l.in.logon_server = r->in.logon_server;
67 l.in.function_code = r->in.function_code;
68 l.in.level = r->in.level;
69 l.in.data = NULL;
70 l.out.query = r->out.query;
71
72 return _netr_LogonControl2Ex(p, &l);
73 }
74
75 /****************************************************************************
76 Send a message to smbd to do a sam synchronisation
77 **************************************************************************/
78
79 static void send_sync_message(void)
80 {
81 DEBUG(3, ("sending sam synchronisation message\n"));
82 message_send_all(smbd_messaging_context(), MSG_SMB_SAM_SYNC, NULL, 0,
83 NULL);
84 }
85
86 /*************************************************************************
87 _netr_LogonControl2
88 *************************************************************************/
89
90 WERROR _netr_LogonControl2(struct pipes_struct *p,
91 struct netr_LogonControl2 *r)
92 {
93 struct netr_LogonControl2Ex l;
94
95 l.in.logon_server = r->in.logon_server;
96 l.in.function_code = r->in.function_code;
97 l.in.level = r->in.level;
98 l.in.data = r->in.data;
99 l.out.query = r->out.query;
100
101 return _netr_LogonControl2Ex(p, &l);
102 }
103
104 /*************************************************************************
105 *************************************************************************/
106
107 static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
108 {
109 wbcErr result;
110 struct wbcAuthErrorInfo *error = NULL;
111
112 result = wbcChangeTrustCredentials(domain, &error);
113 switch (result) {
114 case WBC_ERR_WINBIND_NOT_AVAILABLE:
115 return false;
116 case WBC_ERR_DOMAIN_NOT_FOUND:
117 *tc_status = WERR_NO_SUCH_DOMAIN;
118 return true;
119 case WBC_ERR_SUCCESS:
120 *tc_status = WERR_OK;
121 return true;
122 default:
123 break;
124 }
125
126 if (error && error->nt_status != 0) {
127 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
128 } else {
129 *tc_status = WERR_TRUST_FAILURE;
130 }
131 wbcFreeMemory(error);
132 return true;
133 }
134
135 /*************************************************************************
136 *************************************************************************/
137
138 static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
139 {
140 wbcErr result;
141 struct wbcAuthErrorInfo *error = NULL;
142
143 result = wbcCheckTrustCredentials(domain, &error);
144 switch (result) {
145 case WBC_ERR_WINBIND_NOT_AVAILABLE:
146 return false;
147 case WBC_ERR_DOMAIN_NOT_FOUND:
148 *tc_status = WERR_NO_SUCH_DOMAIN;
149 return true;
150 case WBC_ERR_SUCCESS:
151 *tc_status = WERR_OK;
152 return true;
153 default:
154 break;
155 }
156
157 if (error && error->nt_status != 0) {
158 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
159 } else {
160 *tc_status = WERR_TRUST_FAILURE;
161 }
162 wbcFreeMemory(error);
163 return true;
164 }
165
166 /****************************************************************
167 _netr_LogonControl2Ex
168 ****************************************************************/
169
170 WERROR _netr_LogonControl2Ex(struct pipes_struct *p,
171 struct netr_LogonControl2Ex *r)
172 {
173 uint32_t flags = 0x0;
174 WERROR pdc_connection_status = WERR_OK;
175 uint32_t logon_attempts = 0x0;
176 WERROR tc_status;
177 fstring dc_name2;
178 const char *dc_name = NULL;
179 struct sockaddr_storage dc_ss;
180 const char *domain = NULL;
181 struct netr_NETLOGON_INFO_1 *info1;
182 struct netr_NETLOGON_INFO_2 *info2;
183 struct netr_NETLOGON_INFO_3 *info3;
184 struct netr_NETLOGON_INFO_4 *info4;
185 const char *fn;
186 uint32_t acct_ctrl;
187
188 switch (p->opnum) {
189 case NDR_NETR_LOGONCONTROL:
190 fn = "_netr_LogonControl";
191 break;
192 case NDR_NETR_LOGONCONTROL2:
193 fn = "_netr_LogonControl2";
194 break;
195 case NDR_NETR_LOGONCONTROL2EX:
196 fn = "_netr_LogonControl2Ex";
197 break;
198 default:
199 return WERR_INVALID_PARAM;
200 }
201
202 acct_ctrl = p->server_info->info3->base.acct_flags;
203
204 switch (r->in.function_code) {
205 case NETLOGON_CONTROL_TC_VERIFY:
206 case NETLOGON_CONTROL_CHANGE_PASSWORD:
207 case NETLOGON_CONTROL_REDISCOVER:
208 if ((geteuid() != sec_initial_uid()) &&
209 !nt_token_check_domain_rid(p->server_info->ptok, DOMAIN_RID_ADMINS) &&
210 !nt_token_check_sid(&global_sid_Builtin_Administrators, p->server_info->ptok) &&
211 !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
212 return WERR_ACCESS_DENIED;
213 }
214 break;
215 default:
216 break;
217 }
218
219 tc_status = WERR_NO_SUCH_DOMAIN;
220
221 switch (r->in.function_code) {
222 case NETLOGON_CONTROL_QUERY:
223 tc_status = WERR_OK;
224 break;
225 case NETLOGON_CONTROL_REPLICATE:
226 case NETLOGON_CONTROL_SYNCHRONIZE:
227 case NETLOGON_CONTROL_PDC_REPLICATE:
228 case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
229 case NETLOGON_CONTROL_BREAKPOINT:
230 if (acct_ctrl & ACB_NORMAL) {
231 return WERR_NOT_SUPPORTED;
232 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
233 return WERR_ACCESS_DENIED;
234 } else {
235 return WERR_ACCESS_DENIED;
236 }
237 case NETLOGON_CONTROL_TRUNCATE_LOG:
238 if (acct_ctrl & ACB_NORMAL) {
239 break;
240 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
241 return WERR_ACCESS_DENIED;
242 } else {
243 return WERR_ACCESS_DENIED;
244 }
245
246 case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
247 case NETLOGON_CONTROL_FORCE_DNS_REG:
248 case NETLOGON_CONTROL_QUERY_DNS_REG:
249 return WERR_NOT_SUPPORTED;
250 case NETLOGON_CONTROL_FIND_USER:
251 if (!r->in.data || !r->in.data->user) {
252 return WERR_NOT_SUPPORTED;
253 }
254 break;
255 case NETLOGON_CONTROL_SET_DBFLAG:
256 if (!r->in.data) {
257 return WERR_NOT_SUPPORTED;
258 }
259 break;
260 case NETLOGON_CONTROL_TC_VERIFY:
261 if (!r->in.data || !r->in.data->domain) {
262 return WERR_NOT_SUPPORTED;
263 }
264
265 if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
266 return WERR_NOT_SUPPORTED;
267 }
268 break;
269 case NETLOGON_CONTROL_TC_QUERY:
270 if (!r->in.data || !r->in.data->domain) {
271 return WERR_NOT_SUPPORTED;
272 }
273
274 domain = r->in.data->domain;
275
276 if (!is_trusted_domain(domain)) {
277 break;
278 }
279
280 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
281 tc_status = WERR_NO_LOGON_SERVERS;
282 break;
283 }
284
285 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
286 if (!dc_name) {
287 return WERR_NOMEM;
288 }
289
290 tc_status = WERR_OK;
291
292 break;
293
294 case NETLOGON_CONTROL_REDISCOVER:
295 if (!r->in.data || !r->in.data->domain) {
296 return WERR_NOT_SUPPORTED;
297 }
298
299 domain = r->in.data->domain;
300
301 if (!is_trusted_domain(domain)) {
302 break;
303 }
304
305 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
306 tc_status = WERR_NO_LOGON_SERVERS;
307 break;
308 }
309
310 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
311 if (!dc_name) {
312 return WERR_NOMEM;
313 }
314
315 tc_status = WERR_OK;
316
317 break;
318
319 case NETLOGON_CONTROL_CHANGE_PASSWORD:
320 if (!r->in.data || !r->in.data->domain) {
321 return WERR_NOT_SUPPORTED;
322 }
323
324 if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
325 return WERR_NOT_SUPPORTED;
326 }
327 break;
328
329 default:
330 /* no idea what this should be */
331 DEBUG(0,("%s: unimplemented function level [%d]\n",
332 fn, r->in.function_code));
333 return WERR_UNKNOWN_LEVEL;
334 }
335
336 /* prepare the response */
337
338 switch (r->in.level) {
339 case 1:
340 info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
341 W_ERROR_HAVE_NO_MEMORY(info1);
342
343 info1->flags = flags;
344 info1->pdc_connection_status = pdc_connection_status;
345
346 r->out.query->info1 = info1;
347 break;
348 case 2:
349 info2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_2);
350 W_ERROR_HAVE_NO_MEMORY(info2);
351
352 info2->flags = flags;
353 info2->pdc_connection_status = pdc_connection_status;
354 info2->trusted_dc_name = dc_name;
355 info2->tc_connection_status = tc_status;
356
357 r->out.query->info2 = info2;
358 break;
359 case 3:
360 info3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_3);
361 W_ERROR_HAVE_NO_MEMORY(info3);
362
363 info3->flags = flags;
364 info3->logon_attempts = logon_attempts;
365
366 r->out.query->info3 = info3;
367 break;
368 case 4:
369 info4 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_4);
370 W_ERROR_HAVE_NO_MEMORY(info4);
371
372 info4->trusted_dc_name = dc_name;
373 info4->trusted_domain_name = r->in.data->domain;
374
375 r->out.query->info4 = info4;
376 break;
377 default:
378 return WERR_UNKNOWN_LEVEL;
379 }
380
381 if (lp_server_role() == ROLE_DOMAIN_BDC) {
382 send_sync_message();
383 }
384
385 return WERR_OK;
386 }
387
388 /*************************************************************************
389 _netr_NetrEnumerateTrustedDomains
390 *************************************************************************/
391
392 NTSTATUS _netr_NetrEnumerateTrustedDomains(struct pipes_struct *p,
393 struct netr_NetrEnumerateTrustedDomains *r)
394 {
395 NTSTATUS status;
396 DATA_BLOB blob;
397 int num_domains = 0;
398 const char **trusted_domains = NULL;
399 struct lsa_DomainList domain_list;
400 struct rpc_pipe_client *cli = NULL;
401 struct policy_handle pol;
402 uint32_t enum_ctx = 0;
403 int i;
404 uint32_t max_size = (uint32_t)-1;
405
406 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
407
408 status = rpc_pipe_open_internal(p->mem_ctx, &ndr_table_lsarpc.syntax_id,
409 p->server_info,
410 &cli);
411 if (!NT_STATUS_IS_OK(status)) {
412 return status;
413 }
414
415 status = rpccli_lsa_open_policy2(cli, p->mem_ctx,
416 true,
417 LSA_POLICY_VIEW_LOCAL_INFORMATION,
418 &pol);
419 if (!NT_STATUS_IS_OK(status)) {
420 goto out;
421 }
422
423 do {
424 /* Lookup list of trusted domains */
425
426 status = rpccli_lsa_EnumTrustDom(cli, p->mem_ctx,
427 &pol,
428 &enum_ctx,
429 &domain_list,
430 max_size);
431 if (!NT_STATUS_IS_OK(status) &&
432 !NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES) &&
433 !NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) {
434 goto out;
435 }
436
437 for (i = 0; i < domain_list.count; i++) {
438 if (!add_string_to_array(p->mem_ctx, domain_list.domains[i].name.string,
439 &trusted_domains, &num_domains)) {
440 status = NT_STATUS_NO_MEMORY;
441 goto out;
442 }
443 }
444 } while (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES));
445
446 if (num_domains > 0) {
447 /* multi sz terminate */
448 trusted_domains = talloc_realloc(p->mem_ctx, trusted_domains, const char *, num_domains + 1);
449 if (trusted_domains == NULL) {
450 status = NT_STATUS_NO_MEMORY;
451 goto out;
452 }
453
454 trusted_domains[num_domains] = NULL;
455 }
456
457 if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
458 TALLOC_FREE(trusted_domains);
459 status = NT_STATUS_NO_MEMORY;
460 goto out;
461 }
462
463 r->out.trusted_domains_blob->data = blob.data;
464 r->out.trusted_domains_blob->length = blob.length;
465
466 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
467
468 status = NT_STATUS_OK;
469
470 out:
471 if (cli && is_valid_policy_hnd(&pol)) {
472 rpccli_lsa_Close(cli, p->mem_ctx, &pol);
473 }
474
475 return status;
476 }
477
478 /*************************************************************************
479 *************************************************************************/
480
481 static NTSTATUS samr_find_machine_account(TALLOC_CTX *mem_ctx,
482 struct rpc_pipe_client *cli,
483 const char *account_name,
484 uint32_t access_mask,
485 struct dom_sid2 **domain_sid_p,
486 uint32_t *user_rid_p,
487 struct policy_handle *user_handle)
488 {
489 NTSTATUS status;
490 struct policy_handle connect_handle, domain_handle;
491 struct lsa_String domain_name;
492 struct dom_sid2 *domain_sid;
493 struct lsa_String names;
494 struct samr_Ids rids;
495 struct samr_Ids types;
496 uint32_t rid;
497
498 status = rpccli_samr_Connect2(cli, mem_ctx,
499 global_myname(),
500 SAMR_ACCESS_CONNECT_TO_SERVER |
501 SAMR_ACCESS_ENUM_DOMAINS |
502 SAMR_ACCESS_LOOKUP_DOMAIN,
503 &connect_handle);
504 if (!NT_STATUS_IS_OK(status)) {
505 goto out;
506 }
507
508 init_lsa_String(&domain_name, get_global_sam_name());
509
510 status = rpccli_samr_LookupDomain(cli, mem_ctx,
511 &connect_handle,
512 &domain_name,
513 &domain_sid);
514 if (!NT_STATUS_IS_OK(status)) {
515 goto out;
516 }
517
518 status = rpccli_samr_OpenDomain(cli, mem_ctx,
519 &connect_handle,
520 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
521 domain_sid,
522 &domain_handle);
523 if (!NT_STATUS_IS_OK(status)) {
524 goto out;
525 }
526
527 init_lsa_String(&names, account_name);
528
529 status = rpccli_samr_LookupNames(cli, mem_ctx,
530 &domain_handle,
531 1,
532 &names,
533 &rids,
534 &types);
535 if (!NT_STATUS_IS_OK(status)) {
536 goto out;
537 }
538
539 if (rids.count != 1) {
540 status = NT_STATUS_NO_SUCH_USER;
541 goto out;
542 }
543 if (rids.count != types.count) {
544 status = NT_STATUS_INVALID_PARAMETER;
545 goto out;
546 }
547 if (types.ids[0] != SID_NAME_USER) {
548 status = NT_STATUS_NO_SUCH_USER;
549 goto out;
550 }
551
552 rid = rids.ids[0];
553
554 status = rpccli_samr_OpenUser(cli, mem_ctx,
555 &domain_handle,
556 access_mask,
557 rid,
558 user_handle);
559 if (!NT_STATUS_IS_OK(status)) {
560 goto out;
561 }
562
563 if (user_rid_p) {
564 *user_rid_p = rid;
565 }
566
567 if (domain_sid_p) {
568 *domain_sid_p = domain_sid;
569 }
570
571 out:
572 if (cli && is_valid_policy_hnd(&domain_handle)) {
573 rpccli_samr_Close(cli, mem_ctx, &domain_handle);
574 }
575 if (cli && is_valid_policy_hnd(&connect_handle)) {
576 rpccli_samr_Close(cli, mem_ctx, &connect_handle);
577 }
578
579 return status;
580 }
581
582 /******************************************************************
583 gets a machine password entry. checks access rights of the host.
584 ******************************************************************/
585
586 static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
587 enum netr_SchannelType sec_chan_type, struct dom_sid *sid)
588 {
589 NTSTATUS status;
590 TALLOC_CTX *mem_ctx;
591 struct rpc_pipe_client *cli = NULL;
592 struct policy_handle user_handle;
593 uint32_t user_rid;
594 struct dom_sid *domain_sid;
595 uint32_t acct_ctrl;
596 union samr_UserInfo *info;
597 struct auth_serversupplied_info *server_info;
598 #if 0
599 char addr[INET6_ADDRSTRLEN];
600
601 /*
602 * Currently this code is redundent as we already have a filter
603 * by hostname list. What this code really needs to do is to
604 * get a hosts allowed/hosts denied list from the SAM database
605 * on a per user basis, and make the access decision there.
606 * I will leave this code here for now as a reminder to implement
607 * this at a later date. JRA.
608 */
609
610 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
611 client_name(get_client_fd()),
612 client_addr(get_client_fd(),addr,sizeof(addr)))) {
613 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
614 return False;
615 }
616 #endif /* 0 */
617
618 mem_ctx = talloc_new(talloc_tos());
619 if (mem_ctx == NULL) {
620 status = NT_STATUS_NO_MEMORY;
621 goto out;
622 }
623
624 status = make_server_info_system(mem_ctx, &server_info);
625 if (!NT_STATUS_IS_OK(status)) {
626 goto out;
627 }
628
629 ZERO_STRUCT(user_handle);
630
631 status = rpc_pipe_open_internal(mem_ctx, &ndr_table_samr.syntax_id,
632 server_info,
633 &cli);
634 if (!NT_STATUS_IS_OK(status)) {
635 goto out;
636 }
637
638 become_root();
639 status = samr_find_machine_account(mem_ctx, cli, mach_acct,
640 SEC_FLAG_MAXIMUM_ALLOWED,
641 &domain_sid, &user_rid,
642 &user_handle);
643 unbecome_root();
644 if (!NT_STATUS_IS_OK(status)) {
645 goto out;
646 }
647
648 status = rpccli_samr_QueryUserInfo2(cli, mem_ctx,
649 &user_handle,
650 UserControlInformation,
651 &info);
652 if (!NT_STATUS_IS_OK(status)) {
653 goto out;
654 }
655
656 acct_ctrl = info->info16.acct_flags;
657
658 if (acct_ctrl & ACB_DISABLED) {
659 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
660 status = NT_STATUS_ACCOUNT_DISABLED;
661 goto out;
662 }
663
664 if (!(acct_ctrl & ACB_SVRTRUST) &&
665 !(acct_ctrl & ACB_WSTRUST) &&
666 !(acct_ctrl & ACB_DOMTRUST))
667 {
668 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
669 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
670 goto out;
671 }
672
673 switch (sec_chan_type) {
674 case SEC_CHAN_BDC:
675 if (!(acct_ctrl & ACB_SVRTRUST)) {
676 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
677 "but not a server trust account\n", mach_acct));
678 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
679 goto out;
680 }
681 break;
682 case SEC_CHAN_WKSTA:
683 if (!(acct_ctrl & ACB_WSTRUST)) {
684 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
685 "but not a workstation trust account\n", mach_acct));
686 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
687 goto out;
688 }
689 break;
690 case SEC_CHAN_DOMAIN:
691 if (!(acct_ctrl & ACB_DOMTRUST)) {
692 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
693 "but not a interdomain trust account\n", mach_acct));
694 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
695 goto out;
696 }
697 break;
698 default:
699 break;
700 }
701
702 become_root();
703 status = rpccli_samr_QueryUserInfo2(cli, mem_ctx,
704 &user_handle,
705 UserInternal1Information,
706 &info);
707 unbecome_root();
708 if (!NT_STATUS_IS_OK(status)) {
709 goto out;
710 }
711 if (info->info18.nt_pwd_active == 0) {
712 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
713 status = NT_STATUS_LOGON_FAILURE;
714 goto out;
715 }
716
717 /* samr gives out nthash unencrypted (!) */
718 memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
719
720 sid_compose(sid, domain_sid, user_rid);
721
722 out:
723 if (cli && is_valid_policy_hnd(&user_handle)) {
724 rpccli_samr_Close(cli, mem_ctx, &user_handle);
725 }
726
727 talloc_free(mem_ctx);
728
729 return status;
730 }
731
732 /*************************************************************************
733 _netr_ServerReqChallenge
734 *************************************************************************/
735
736 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
737 struct netr_ServerReqChallenge *r)
738 {
739 struct netlogon_server_pipe_state *pipe_state =
740 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
741
742 if (pipe_state) {
743 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
744 talloc_free(pipe_state);
745 p->private_data = NULL;
746 }
747
748 pipe_state = talloc(p, struct netlogon_server_pipe_state);
749 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
750
751 pipe_state->client_challenge = *r->in.credentials;
752
753 generate_random_buffer(pipe_state->server_challenge.data,
754 sizeof(pipe_state->server_challenge.data));
755
756 *r->out.return_credentials = pipe_state->server_challenge;
757
758 p->private_data = pipe_state;
759
760 return NT_STATUS_OK;
761 }
762
763 /*************************************************************************
764 _netr_ServerAuthenticate
765 Create the initial credentials.
766 *************************************************************************/
767
768 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
769 struct netr_ServerAuthenticate *r)
770 {
771 struct netr_ServerAuthenticate3 a;
772 uint32_t negotiate_flags = 0;
773 uint32_t rid;
774
775 a.in.server_name = r->in.server_name;
776 a.in.account_name = r->in.account_name;
777 a.in.secure_channel_type = r->in.secure_channel_type;
778 a.in.computer_name = r->in.computer_name;
779 a.in.credentials = r->in.credentials;
780 a.in.negotiate_flags = &negotiate_flags;
781
782 a.out.return_credentials = r->out.return_credentials;
783 a.out.rid = &rid;
784 a.out.negotiate_flags = &negotiate_flags;
785
786 return _netr_ServerAuthenticate3(p, &a);
787
788 }
789
790 /*************************************************************************
791 _netr_ServerAuthenticate3
792 *************************************************************************/
793
794 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
795 struct netr_ServerAuthenticate3 *r)
796 {
797 NTSTATUS status;
798 uint32_t srv_flgs;
799 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
800 * so use a copy to avoid destroying the client values. */
801 uint32_t in_neg_flags = *r->in.negotiate_flags;
802 const char *fn;
803 struct dom_sid sid;
804 struct samr_Password mach_pwd;
805 struct netlogon_creds_CredentialState *creds;
806 struct netlogon_server_pipe_state *pipe_state =
807 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
808
809 /* According to Microsoft (see bugid #6099)
810 * Windows 7 looks at the negotiate_flags
811 * returned in this structure *even if the
812 * call fails with access denied* ! So in order
813 * to allow Win7 to connect to a Samba NT style
814 * PDC we set the flags before we know if it's
815 * an error or not.
816 */
817
818 /* 0x000001ff */
819 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
820 NETLOGON_NEG_PERSISTENT_SAMREPL |
821 NETLOGON_NEG_ARCFOUR |
822 NETLOGON_NEG_PROMOTION_COUNT |
823 NETLOGON_NEG_CHANGELOG_BDC |
824 NETLOGON_NEG_FULL_SYNC_REPL |
825 NETLOGON_NEG_MULTIPLE_SIDS |
826 NETLOGON_NEG_REDO |
827 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
828 NETLOGON_NEG_PASSWORD_SET2;
829
830 /* Ensure we support strong (128-bit) keys. */
831 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
832 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
833 }
834
835 if (lp_server_schannel() != false) {
836 srv_flgs |= NETLOGON_NEG_SCHANNEL;
837 }
838
839 switch (p->opnum) {
840 case NDR_NETR_SERVERAUTHENTICATE:
841 fn = "_netr_ServerAuthenticate";
842 break;
843 case NDR_NETR_SERVERAUTHENTICATE2:
844 fn = "_netr_ServerAuthenticate2";
845 break;
846 case NDR_NETR_SERVERAUTHENTICATE3:
847 fn = "_netr_ServerAuthenticate3";
848 break;
849 default:
850 return NT_STATUS_INTERNAL_ERROR;
851 }
852
853 /* We use this as the key to store the creds: */
854 /* r->in.computer_name */
855
856 if (!pipe_state) {
857 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
858 r->in.computer_name));
859 status = NT_STATUS_ACCESS_DENIED;
860 goto out;
861 }
862
863 if ( (lp_server_schannel() == true) &&
864 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
865
866 /* schannel must be used, but client did not offer it. */
867 DEBUG(0,("%s: schannel required but client failed "
868 "to offer it. Client was %s\n",
869 fn, r->in.account_name));
870 status = NT_STATUS_ACCESS_DENIED;
871 goto out;
872 }
873
874 status = get_md4pw(&mach_pwd,
875 r->in.account_name,
876 r->in.secure_channel_type,
877 &sid);
878 if (!NT_STATUS_IS_OK(status)) {
879 DEBUG(0,("%s: failed to get machine password for "
880 "account %s: %s\n",
881 fn, r->in.account_name, nt_errstr(status) ));
882 /* always return NT_STATUS_ACCESS_DENIED */
883 status = NT_STATUS_ACCESS_DENIED;
884 goto out;
885 }
886
887 /* From the client / server challenges and md4 password, generate sess key */
888 /* Check client credentials are valid. */
889 creds = netlogon_creds_server_init(p->mem_ctx,
890 r->in.account_name,
891 r->in.computer_name,
892 r->in.secure_channel_type,
893 &pipe_state->client_challenge,
894 &pipe_state->server_challenge,
895 &mach_pwd,
896 r->in.credentials,
897 r->out.return_credentials,
898 *r->in.negotiate_flags);
899 if (!creds) {
900 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
901 "request from client %s machine account %s\n",
902 fn, r->in.computer_name,
903 r->in.account_name));
904 status = NT_STATUS_ACCESS_DENIED;
905 goto out;
906 }
907
908 creds->sid = sid_dup_talloc(creds, &sid);
909 if (!creds->sid) {
910 status = NT_STATUS_NO_MEMORY;
911 goto out;
912 }
913
914 /* Store off the state so we can continue after client disconnect. */
915 become_root();
916 status = schannel_save_creds_state(p->mem_ctx, lp_private_dir(), creds);
917 unbecome_root();
918
919 if (!NT_STATUS_IS_OK(status)) {
920 goto out;
921 }
922
923 sid_peek_rid(&sid, r->out.rid);
924
925 status = NT_STATUS_OK;
926
927 out:
928
929 *r->out.negotiate_flags = srv_flgs;
930 return status;
931 }
932
933 /*************************************************************************
934 _netr_ServerAuthenticate2
935 *************************************************************************/
936
937 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
938 struct netr_ServerAuthenticate2 *r)
939 {
940 struct netr_ServerAuthenticate3 a;
941 uint32_t rid;
942
943 a.in.server_name = r->in.server_name;
944 a.in.account_name = r->in.account_name;
945 a.in.secure_channel_type = r->in.secure_channel_type;
946 a.in.computer_name = r->in.computer_name;
947 a.in.credentials = r->in.credentials;
948 a.in.negotiate_flags = r->in.negotiate_flags;
949
950 a.out.return_credentials = r->out.return_credentials;
951 a.out.rid = &rid;
952 a.out.negotiate_flags = r->out.negotiate_flags;
953
954 return _netr_ServerAuthenticate3(p, &a);
955 }
956
957 /*************************************************************************
958 * If schannel is required for this call test that it actually is available.
959 *************************************************************************/
960 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
961 const char *computer_name,
962 bool integrity, bool privacy)
963 {
964 if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
965 if (!privacy && !integrity) {
966 return NT_STATUS_OK;
967 }
968
969 if ((!privacy && integrity) &&
970 auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
971 return NT_STATUS_OK;
972 }
973
974 if ((privacy || integrity) &&
975 auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
976 return NT_STATUS_OK;
977 }
978 }
979
980 /* test didn't pass */
981 DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
982 computer_name));
983
984 return NT_STATUS_ACCESS_DENIED;
985 }
986
987 /*************************************************************************
988 *************************************************************************/
989
990 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
991 TALLOC_CTX *mem_ctx,
992 const char *computer_name,
993 struct netr_Authenticator *received_authenticator,
994 struct netr_Authenticator *return_authenticator,
995 struct netlogon_creds_CredentialState **creds_out)
996 {
997 NTSTATUS status;
998 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
999
1000 if (schannel_global_required) {
1001 status = schannel_check_required(&p->auth,
1002 computer_name,
1003 false, false);
1004 if (!NT_STATUS_IS_OK(status)) {
1005 return status;
1006 }
1007 }
1008
1009 status = schannel_check_creds_state(mem_ctx, lp_private_dir(),
1010 computer_name, received_authenticator,
1011 return_authenticator, creds_out);
1012
1013 return status;
1014 }
1015
1016 /*************************************************************************
1017 *************************************************************************/
1018
1019 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1020 struct auth_serversupplied_info *server_info,
1021 const char *account_name,
1022 struct samr_Password *nt_hash)
1023 {
1024 NTSTATUS status;
1025 struct rpc_pipe_client *cli = NULL;
1026 struct policy_handle user_handle;
1027 uint32_t acct_ctrl;
1028 union samr_UserInfo *info;
1029 struct samr_UserInfo18 info18;
1030 DATA_BLOB in,out;
1031
1032 ZERO_STRUCT(user_handle);
1033
1034 status = rpc_pipe_open_internal(mem_ctx, &ndr_table_samr.syntax_id,
1035 server_info,
1036 &cli);
1037 if (!NT_STATUS_IS_OK(status)) {
1038 goto out;
1039 }
1040
1041 status = samr_find_machine_account(mem_ctx, cli, account_name,
1042 SEC_FLAG_MAXIMUM_ALLOWED,
1043 NULL, NULL,
1044 &user_handle);
1045 if (!NT_STATUS_IS_OK(status)) {
1046 goto out;
1047 }
1048
1049 status = rpccli_samr_QueryUserInfo2(cli, mem_ctx,
1050 &user_handle,
1051 UserControlInformation,
1052 &info);
1053 if (!NT_STATUS_IS_OK(status)) {
1054 goto out;
1055 }
1056
1057 acct_ctrl = info->info16.acct_flags;
1058
1059 if (!(acct_ctrl & ACB_WSTRUST ||
1060 acct_ctrl & ACB_SVRTRUST ||
1061 acct_ctrl & ACB_DOMTRUST)) {
1062 status = NT_STATUS_NO_SUCH_USER;
1063 goto out;
1064 }
1065
1066 if (acct_ctrl & ACB_DISABLED) {
1067 status = NT_STATUS_ACCOUNT_DISABLED;
1068 goto out;
1069 }
1070
1071 ZERO_STRUCT(info18);
1072
1073 in = data_blob_const(nt_hash->hash, 16);
1074 out = data_blob_talloc_zero(mem_ctx, 16);
1075 sess_crypt_blob(&out, &in, &server_info->user_session_key, true);
1076 memcpy(info18.nt_pwd.hash, out.data, out.length);
1077
1078 info18.nt_pwd_active = true;
1079
1080 info->info18 = info18;
1081
1082 status = rpccli_samr_SetUserInfo2(cli, mem_ctx,
1083 &user_handle,
1084 UserInternal1Information,
1085 info);
1086 if (!NT_STATUS_IS_OK(status)) {
1087 goto out;
1088 }
1089
1090 out:
1091 if (cli && is_valid_policy_hnd(&user_handle)) {
1092 rpccli_samr_Close(cli, mem_ctx, &user_handle);
1093 }
1094
1095 return status;
1096 }
1097
1098 /*************************************************************************
1099 _netr_ServerPasswordSet
1100 *************************************************************************/
1101
1102 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1103 struct netr_ServerPasswordSet *r)
1104 {
1105 NTSTATUS status = NT_STATUS_OK;
1106 int i;
1107 struct netlogon_creds_CredentialState *creds;
1108
1109 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1110
1111 become_root();
1112 status = netr_creds_server_step_check(p, p->mem_ctx,
1113 r->in.computer_name,
1114 r->in.credential,
1115 r->out.return_authenticator,
1116 &creds);
1117 unbecome_root();
1118
1119 if (!NT_STATUS_IS_OK(status)) {
1120 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1121 "request from client %s machine account %s\n",
1122 r->in.computer_name, creds->computer_name));
1123 TALLOC_FREE(creds);
1124 return status;
1125 }
1126
1127 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1128 r->in.computer_name, creds->computer_name));
1129
1130 netlogon_creds_des_decrypt(creds, r->in.new_password);
1131
1132 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1133 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1134 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1135 DEBUG(100,("\n"));
1136
1137 status = netr_set_machine_account_password(p->mem_ctx,
1138 p->server_info,
1139 creds->account_name,
1140 r->in.new_password);
1141 return status;
1142 }
1143
1144 /****************************************************************
1145 _netr_ServerPasswordSet2
1146 ****************************************************************/
1147
1148 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1149 struct netr_ServerPasswordSet2 *r)
1150 {
1151 NTSTATUS status;
1152 struct netlogon_creds_CredentialState *creds;
1153 DATA_BLOB plaintext;
1154 struct samr_CryptPassword password_buf;
1155 struct samr_Password nt_hash;
1156
1157 become_root();
1158 status = netr_creds_server_step_check(p, p->mem_ctx,
1159 r->in.computer_name,
1160 r->in.credential,
1161 r->out.return_authenticator,
1162 &creds);
1163 unbecome_root();
1164
1165 if (!NT_STATUS_IS_OK(status)) {
1166 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1167 "failed. Rejecting auth request from client %s machine account %s\n",
1168 r->in.computer_name, creds->computer_name));
1169 TALLOC_FREE(creds);
1170 return status;
1171 }
1172
1173 memcpy(password_buf.data, r->in.new_password->data, 512);
1174 SIVAL(password_buf.data, 512, r->in.new_password->length);
1175 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1176
1177 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1178 return NT_STATUS_WRONG_PASSWORD;
1179 }
1180
1181 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1182
1183 status = netr_set_machine_account_password(p->mem_ctx,
1184 p->server_info,
1185 creds->account_name,
1186 &nt_hash);
1187 return status;
1188 }
1189
1190 /*************************************************************************
1191 _netr_LogonSamLogoff
1192 *************************************************************************/
1193
1194 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1195 struct netr_LogonSamLogoff *r)
1196 {
1197 NTSTATUS status;
1198 struct netlogon_creds_CredentialState *creds;
1199
1200 become_root();
1201 status = netr_creds_server_step_check(p, p->mem_ctx,
1202 r->in.computer_name,
1203 r->in.credential,
1204 r->out.return_authenticator,
1205 &creds);
1206 unbecome_root();
1207
1208 return status;
1209 }
1210
1211 /*************************************************************************
1212 _netr_LogonSamLogon_base
1213 *************************************************************************/
1214
1215 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1216 struct netr_LogonSamLogonEx *r,
1217 struct netlogon_creds_CredentialState *creds)
1218 {
1219 NTSTATUS status = NT_STATUS_OK;
1220 union netr_LogonLevel *logon = r->in.logon;
1221 const char *nt_username, *nt_domain, *nt_workstation;
1222 struct auth_usersupplied_info *user_info = NULL;
1223 struct auth_serversupplied_info *server_info = NULL;
1224 struct auth_context *auth_context = NULL;
1225 uint8_t pipe_session_key[16];
1226 bool process_creds = true;
1227 const char *fn;
1228
1229 switch (p->opnum) {
1230 case NDR_NETR_LOGONSAMLOGON:
1231 process_creds = true;
1232 fn = "_netr_LogonSamLogon";
1233 break;
1234 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1235 process_creds = true;
1236 fn = "_netr_LogonSamLogonWithFlags";
1237 break;
1238 case NDR_NETR_LOGONSAMLOGONEX:
1239 process_creds = false;
1240 fn = "_netr_LogonSamLogonEx";
1241 break;
1242 default:
1243 return NT_STATUS_INTERNAL_ERROR;
1244 }
1245
1246 *r->out.authoritative = true; /* authoritative response */
1247
1248 switch (r->in.validation_level) {
1249 case 2:
1250 r->out.validation->sam2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo2);
1251 if (!r->out.validation->sam2) {
1252 return NT_STATUS_NO_MEMORY;
1253 }
1254 break;
1255 case 3:
1256 r->out.validation->sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
1257 if (!r->out.validation->sam3) {
1258 return NT_STATUS_NO_MEMORY;
1259 }
1260 break;
1261 case 6:
1262 r->out.validation->sam6 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo6);
1263 if (!r->out.validation->sam6) {
1264 return NT_STATUS_NO_MEMORY;
1265 }
1266 break;
1267 default:
1268 DEBUG(0,("%s: bad validation_level value %d.\n",
1269 fn, (int)r->in.validation_level));
1270 return NT_STATUS_INVALID_INFO_CLASS;
1271 }
1272
1273 switch (r->in.logon_level) {
1274 case NetlogonInteractiveInformation:
1275 case NetlogonServiceInformation:
1276 case NetlogonInteractiveTransitiveInformation:
1277 case NetlogonServiceTransitiveInformation:
1278 nt_username = logon->password->identity_info.account_name.string ?
1279 logon->password->identity_info.account_name.string : "";
1280 nt_domain = logon->password->identity_info.domain_name.string ?
1281 logon->password->identity_info.domain_name.string : "";
1282 nt_workstation = logon->password->identity_info.workstation.string ?
1283 logon->password->identity_info.workstation.string : "";
1284
1285 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1286 break;
1287 case NetlogonNetworkInformation:
1288 case NetlogonNetworkTransitiveInformation:
1289 nt_username = logon->network->identity_info.account_name.string ?
1290 logon->network->identity_info.account_name.string : "";
1291 nt_domain = logon->network->identity_info.domain_name.string ?
1292 logon->network->identity_info.domain_name.string : "";
1293 nt_workstation = logon->network->identity_info.workstation.string ?
1294 logon->network->identity_info.workstation.string : "";
1295
1296 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1297 break;
1298 default:
1299 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1300 return NT_STATUS_INVALID_INFO_CLASS;
1301 } /* end switch */
1302
1303 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1304 fstrcpy(current_user_info.smb_name, nt_username);
1305 sub_set_smb_name(nt_username);
1306
1307 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1308 r->in.validation_level, nt_username));
1309
1310 status = NT_STATUS_OK;
1311
1312 switch (r->in.logon_level) {
1313 case NetlogonNetworkInformation:
1314 case NetlogonNetworkTransitiveInformation:
1315 {
1316 const char *wksname = nt_workstation;
1317
1318 status = make_auth_context_fixed(&auth_context,
1319 logon->network->challenge);
1320 if (!NT_STATUS_IS_OK(status)) {
1321 return status;
1322 }
1323
1324 /* For a network logon, the workstation name comes in with two
1325 * backslashes in the front. Strip them if they are there. */
1326
1327 if (*wksname == '\\') wksname++;
1328 if (*wksname == '\\') wksname++;
1329
1330 /* Standard challenge/response authenticaion */
1331 if (!make_user_info_netlogon_network(&user_info,
1332 nt_username, nt_domain,
1333 wksname,
1334 logon->network->identity_info.parameter_control,
1335 logon->network->lm.data,
1336 logon->network->lm.length,
1337 logon->network->nt.data,
1338 logon->network->nt.length)) {
1339 status = NT_STATUS_NO_MEMORY;
1340 }
1341 break;
1342 }
1343 case NetlogonInteractiveInformation:
1344 case NetlogonServiceInformation:
1345 case NetlogonInteractiveTransitiveInformation:
1346 case NetlogonServiceTransitiveInformation:
1347
1348 /* 'Interactive' authentication, supplies the password in its
1349 MD4 form, encrypted with the session key. We will convert
1350 this to challenge/response for the auth subsystem to chew
1351 on */
1352 {
1353 uint8_t chal[8];
1354
1355 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
1356 return status;
1357 }
1358
1359 auth_context->get_ntlm_challenge(auth_context, chal);
1360
1361 if (!make_user_info_netlogon_interactive(&user_info,
1362 nt_username, nt_domain,
1363 nt_workstation,
1364 logon->password->identity_info.parameter_control,
1365 chal,
1366 logon->password->lmpassword.hash,
1367 logon->password->ntpassword.hash,
1368 creds->session_key)) {
1369 status = NT_STATUS_NO_MEMORY;
1370 }
1371 break;
1372 }
1373 default:
1374 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1375 return NT_STATUS_INVALID_INFO_CLASS;
1376 } /* end switch */
1377
1378 if ( NT_STATUS_IS_OK(status) ) {
1379 status = auth_context->check_ntlm_password(auth_context,
1380 user_info, &server_info);
1381 }
1382
1383 TALLOC_FREE(auth_context);
1384 free_user_info(&user_info);
1385
1386 DEBUG(5,("%s: check_password returned status %s\n",
1387 fn, nt_errstr(status)));
1388
1389 /* Check account and password */
1390
1391 if (!NT_STATUS_IS_OK(status)) {
1392 /* If we don't know what this domain is, we need to
1393 indicate that we are not authoritative. This
1394 allows the client to decide if it needs to try
1395 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1396 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1397 && !strequal(nt_domain, get_global_sam_name())
1398 && !is_trusted_domain(nt_domain) )
1399 *r->out.authoritative = false; /* We are not authoritative */
1400
1401 TALLOC_FREE(server_info);
1402 return status;
1403 }
1404
1405 if (server_info->guest) {
1406 /* We don't like guest domain logons... */
1407 DEBUG(5,("%s: Attempted domain logon as GUEST "
1408 "denied.\n", fn));
1409 TALLOC_FREE(server_info);
1410 return NT_STATUS_LOGON_FAILURE;
1411 }
1412
1413 /* This is the point at which, if the login was successful, that
1414 the SAM Local Security Authority should record that the user is
1415 logged in to the domain. */
1416
1417 if (process_creds) {
1418 /* Get the pipe session key from the creds. */
1419 memcpy(pipe_session_key, creds->session_key, 16);
1420 } else {
1421 /* Get the pipe session key from the schannel. */
1422 if ((p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL)
1423 || (p->auth.a_u.schannel_auth == NULL)) {
1424 return NT_STATUS_INVALID_HANDLE;
1425 }
1426 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->creds->session_key, 16);
1427 }
1428
1429 switch (r->in.validation_level) {
1430 case 2:
1431 status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
1432 r->out.validation->sam2);
1433 break;
1434 case 3:
1435 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
1436 r->out.validation->sam3);
1437 break;
1438 case 6:
1439 status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
1440 r->out.validation->sam6);
1441 break;
1442 }
1443
1444 TALLOC_FREE(server_info);
1445
1446 return status;
1447 }
1448
1449 /****************************************************************
1450 _netr_LogonSamLogonWithFlags
1451 ****************************************************************/
1452
1453 NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
1454 struct netr_LogonSamLogonWithFlags *r)
1455 {
1456 NTSTATUS status;
1457 struct netlogon_creds_CredentialState *creds;
1458 struct netr_LogonSamLogonEx r2;
1459 struct netr_Authenticator return_authenticator;
1460
1461 become_root();
1462 status = netr_creds_server_step_check(p, p->mem_ctx,
1463 r->in.computer_name,
1464 r->in.credential,
1465 &return_authenticator,
1466 &creds);
1467 unbecome_root();
1468 if (!NT_STATUS_IS_OK(status)) {
1469 return status;
1470 }
1471
1472 r2.in.server_name = r->in.server_name;
1473 r2.in.computer_name = r->in.computer_name;
1474 r2.in.logon_level = r->in.logon_level;
1475 r2.in.logon = r->in.logon;
1476 r2.in.validation_level = r->in.validation_level;
1477 r2.in.flags = r->in.flags;
1478 r2.out.validation = r->out.validation;
1479 r2.out.authoritative = r->out.authoritative;
1480 r2.out.flags = r->out.flags;
1481
1482 status = _netr_LogonSamLogon_base(p, &r2, creds);
1483
1484 *r->out.return_authenticator = return_authenticator;
1485
1486 return status;
1487 }
1488
1489 /*************************************************************************
1490 _netr_LogonSamLogon
1491 *************************************************************************/
1492
1493 NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
1494 struct netr_LogonSamLogon *r)
1495 {
1496 NTSTATUS status;
1497 struct netr_LogonSamLogonWithFlags r2;
1498 uint32_t flags = 0;
1499
1500 r2.in.server_name = r->in.server_name;
1501 r2.in.computer_name = r->in.computer_name;
1502 r2.in.credential = r->in.credential;
1503 r2.in.logon_level = r->in.logon_level;
1504 r2.in.logon = r->in.logon;
1505 r2.in.validation_level = r->in.validation_level;
1506 r2.in.return_authenticator = r->in.return_authenticator;
1507 r2.in.flags = &flags;
1508 r2.out.validation = r->out.validation;
1509 r2.out.authoritative = r->out.authoritative;
1510 r2.out.flags = &flags;
1511 r2.out.return_authenticator = r->out.return_authenticator;
1512
1513 status = _netr_LogonSamLogonWithFlags(p, &r2);
1514
1515 return status;
1516 }
1517
1518 /*************************************************************************
1519 _netr_LogonSamLogonEx
1520 - no credential chaining. Map into net sam logon.
1521 *************************************************************************/
1522
1523 NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
1524 struct netr_LogonSamLogonEx *r)
1525 {
1526 NTSTATUS status;
1527 struct netlogon_creds_CredentialState *creds = NULL;
1528
1529 become_root();
1530 status = schannel_get_creds_state(p->mem_ctx, lp_private_dir(),
1531 r->in.computer_name, &creds);
1532 unbecome_root();
1533 if (!NT_STATUS_IS_OK(status)) {
1534 return status;
1535 }
1536
1537 /* Only allow this if the pipe is protected. */
1538 if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
1539 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1540 get_remote_machine_name() ));
1541 return NT_STATUS_INVALID_PARAMETER;
1542 }
1543
1544 status = _netr_LogonSamLogon_base(p, r, creds);
1545 TALLOC_FREE(creds);
1546
1547 return status;
1548 }
1549
1550 /*************************************************************************
1551 _ds_enum_dom_trusts
1552 *************************************************************************/
1553 #if 0 /* JERRY -- not correct */
1554 NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1555 DS_R_ENUM_DOM_TRUSTS *r_u)
1556 {
1557 NTSTATUS status = NT_STATUS_OK;
1558
1559 /* TODO: According to MSDN, the can only be executed against a
1560 DC or domain member running Windows 2000 or later. Need
1561 to test against a standalone 2k server and see what it
1562 does. A windows 2000 DC includes its own domain in the
1563 list. --jerry */
1564
1565 return status;
1566 }
1567 #endif /* JERRY */
1568
1569
1570 /****************************************************************
1571 ****************************************************************/
1572
1573 WERROR _netr_LogonUasLogon(struct pipes_struct *p,
1574 struct netr_LogonUasLogon *r)
1575 {
1576 p->rng_fault_state = true;
1577 return WERR_NOT_SUPPORTED;
1578 }
1579
1580 /****************************************************************
1581 ****************************************************************/
1582
1583 WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
1584 struct netr_LogonUasLogoff *r)
1585 {
1586 p->rng_fault_state = true;
1587 return WERR_NOT_SUPPORTED;
1588 }
1589
1590 /****************************************************************
1591 ****************************************************************/
1592
1593 NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
1594 struct netr_DatabaseDeltas *r)
1595 {
1596 p->rng_fault_state = true;
1597 return NT_STATUS_NOT_IMPLEMENTED;
1598 }
1599
1600 /****************************************************************
1601 ****************************************************************/
1602
1603 NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
1604 struct netr_DatabaseSync *r)
1605 {
1606 p->rng_fault_state = true;
1607 return NT_STATUS_NOT_IMPLEMENTED;
1608 }
1609
1610 /****************************************************************
1611 ****************************************************************/
1612
1613 NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
1614 struct netr_AccountDeltas *r)
1615 {
1616 p->rng_fault_state = true;
1617 return NT_STATUS_NOT_IMPLEMENTED;
1618 }
1619
1620 /****************************************************************
1621 ****************************************************************/
1622
1623 NTSTATUS _netr_AccountSync(struct pipes_struct *p,
1624 struct netr_AccountSync *r)
1625 {
1626 p->rng_fault_state = true;
1627 return NT_STATUS_NOT_IMPLEMENTED;
1628 }
1629
1630 /****************************************************************
1631 ****************************************************************/
1632
1633 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1634 const char *domain,
1635 const char **dcname,
1636 uint32_t flags,
1637 WERROR *werr)
1638 {
1639 wbcErr result;
1640 struct wbcDomainControllerInfo *dc_info = NULL;
1641
1642 result = wbcLookupDomainController(domain,
1643 flags,
1644 &dc_info);
1645 switch (result) {
1646 case WBC_ERR_SUCCESS:
1647 break;
1648 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1649 return false;
1650 case WBC_ERR_DOMAIN_NOT_FOUND:
1651 *werr = WERR_NO_SUCH_DOMAIN;
1652 return true;
1653 default:
1654 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1655 return true;
1656 }
1657
1658 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1659 wbcFreeMemory(dc_info);
1660 if (!*dcname) {
1661 *werr = WERR_NOMEM;
1662 return false;
1663 }
1664
1665 *werr = WERR_OK;
1666
1667 return true;
1668 }
1669
1670 /****************************************************************
1671 _netr_GetDcName
1672 ****************************************************************/
1673
1674 WERROR _netr_GetDcName(struct pipes_struct *p,
1675 struct netr_GetDcName *r)
1676 {
1677 NTSTATUS status;
1678 WERROR werr;
1679 uint32_t flags;
1680 struct netr_DsRGetDCNameInfo *info;
1681 bool ret;
1682
1683 ret = wb_getdcname(p->mem_ctx,
1684 r->in.domainname,
1685 r->out.dcname,
1686 WBC_LOOKUP_DC_IS_FLAT_NAME |
1687 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1688 WBC_LOOKUP_DC_PDC_REQUIRED,
1689 &werr);
1690 if (ret == true) {
1691 return werr;
1692 }
1693
1694 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1695
1696 status = dsgetdcname(p->mem_ctx,
1697 smbd_messaging_context(),
1698 r->in.domainname,
1699 NULL,
1700 NULL,
1701 flags,
1702 &info);
1703 if (!NT_STATUS_IS_OK(status)) {
1704 return ntstatus_to_werror(status);
1705 }
1706
1707 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1708 talloc_free(info);
1709 if (!*r->out.dcname) {
1710 return WERR_NOMEM;
1711 }
1712
1713 return WERR_OK;
1714 }
1715
1716 /****************************************************************
1717 _netr_GetAnyDCName
1718 ****************************************************************/
1719
1720 WERROR _netr_GetAnyDCName(struct pipes_struct *p,
1721 struct netr_GetAnyDCName *r)
1722 {
1723 NTSTATUS status;
1724 WERROR werr;
1725 uint32_t flags;
1726 struct netr_DsRGetDCNameInfo *info;
1727 bool ret;
1728
1729 ret = wb_getdcname(p->mem_ctx,
1730 r->in.domainname,
1731 r->out.dcname,
1732 WBC_LOOKUP_DC_IS_FLAT_NAME |
1733 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
1734 &werr);
1735 if (ret == true) {
1736 return werr;
1737 }
1738
1739 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1740
1741 status = dsgetdcname(p->mem_ctx,
1742 smbd_messaging_context(),
1743 r->in.domainname,
1744 NULL,
1745 NULL,
1746 flags,
1747 &info);
1748 if (!NT_STATUS_IS_OK(status)) {
1749 return ntstatus_to_werror(status);
1750 }
1751
1752 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1753 talloc_free(info);
1754 if (!*r->out.dcname) {
1755 return WERR_NOMEM;
1756 }
1757
1758 return WERR_OK;
1759 }
1760
1761 /****************************************************************
1762 ****************************************************************/
1763
1764 NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
1765 struct netr_DatabaseSync2 *r)
1766 {
1767 p->rng_fault_state = true;
1768 return NT_STATUS_NOT_IMPLEMENTED;
1769 }
1770
1771 /****************************************************************
1772 ****************************************************************/
1773
1774 NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
1775 struct netr_DatabaseRedo *r)
1776 {
1777 p->rng_fault_state = true;
1778 return NT_STATUS_NOT_IMPLEMENTED;
1779 }
1780
1781 /****************************************************************
1782 ****************************************************************/
1783
1784 WERROR _netr_DsRGetDCName(struct pipes_struct *p,
1785 struct netr_DsRGetDCName *r)
1786 {
1787 p->rng_fault_state = true;
1788 return WERR_NOT_SUPPORTED;
1789 }
1790
1791 /****************************************************************
1792 ****************************************************************/
1793
1794 NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
1795 struct netr_LogonGetCapabilities *r)
1796 {
1797 return NT_STATUS_NOT_IMPLEMENTED;
1798 }
1799
1800 /****************************************************************
1801 ****************************************************************/
1802
1803 WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
1804 struct netr_NETRLOGONSETSERVICEBITS *r)
1805 {
1806 p->rng_fault_state = true;
1807 return WERR_NOT_SUPPORTED;
1808 }
1809
1810 /****************************************************************
1811 ****************************************************************/
1812
1813 WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
1814 struct netr_LogonGetTrustRid *r)
1815 {
1816 p->rng_fault_state = true;
1817 return WERR_NOT_SUPPORTED;
1818 }
1819
1820 /****************************************************************
1821 ****************************************************************/
1822
1823 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
1824 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
1825 {
1826 p->rng_fault_state = true;
1827 return WERR_NOT_SUPPORTED;
1828 }
1829
1830 /****************************************************************
1831 ****************************************************************/
1832
1833 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
1834 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
1835 {
1836 p->rng_fault_state = true;
1837 return WERR_NOT_SUPPORTED;
1838 }
1839
1840 /****************************************************************
1841 ****************************************************************/
1842
1843 WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
1844 struct netr_DsRGetDCNameEx *r)
1845 {
1846 p->rng_fault_state = true;
1847 return WERR_NOT_SUPPORTED;
1848 }
1849
1850 /****************************************************************
1851 ****************************************************************/
1852
1853 WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
1854 struct netr_DsRGetSiteName *r)
1855 {
1856 p->rng_fault_state = true;
1857 return WERR_NOT_SUPPORTED;
1858 }
1859
1860 /****************************************************************
1861 ****************************************************************/
1862
1863 NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
1864 struct netr_LogonGetDomainInfo *r)
1865 {
1866 p->rng_fault_state = true;
1867 return NT_STATUS_NOT_IMPLEMENTED;
1868 }
1869
1870 /****************************************************************
1871 ****************************************************************/
1872
1873 WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
1874 struct netr_ServerPasswordGet *r)
1875 {
1876 p->rng_fault_state = true;
1877 return WERR_NOT_SUPPORTED;
1878 }
1879
1880 /****************************************************************
1881 ****************************************************************/
1882
1883 WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
1884 struct netr_NETRLOGONSENDTOSAM *r)
1885 {
1886 p->rng_fault_state = true;
1887 return WERR_NOT_SUPPORTED;
1888 }
1889
1890 /****************************************************************
1891 ****************************************************************/
1892
1893 WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
1894 struct netr_DsRAddressToSitenamesW *r)
1895 {
1896 p->rng_fault_state = true;
1897 return WERR_NOT_SUPPORTED;
1898 }
1899
1900 /****************************************************************
1901 ****************************************************************/
1902
1903 WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
1904 struct netr_DsRGetDCNameEx2 *r)
1905 {
1906 p->rng_fault_state = true;
1907 return WERR_NOT_SUPPORTED;
1908 }
1909
1910 /****************************************************************
1911 ****************************************************************/
1912
1913 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
1914 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1915 {
1916 p->rng_fault_state = true;
1917 return WERR_NOT_SUPPORTED;
1918 }
1919
1920 /****************************************************************
1921 ****************************************************************/
1922
1923 WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
1924 struct netr_NetrEnumerateTrustedDomainsEx *r)
1925 {
1926 p->rng_fault_state = true;
1927 return WERR_NOT_SUPPORTED;
1928 }
1929
1930 /****************************************************************
1931 ****************************************************************/
1932
1933 WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
1934 struct netr_DsRAddressToSitenamesExW *r)
1935 {
1936 p->rng_fault_state = true;
1937 return WERR_NOT_SUPPORTED;
1938 }
1939
1940 /****************************************************************
1941 ****************************************************************/
1942
1943 WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
1944 struct netr_DsrGetDcSiteCoverageW *r)
1945 {
1946 p->rng_fault_state = true;
1947 return WERR_NOT_SUPPORTED;
1948 }
1949
1950 /****************************************************************
1951 ****************************************************************/
1952
1953 WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
1954 struct netr_DsrEnumerateDomainTrusts *r)
1955 {
1956 p->rng_fault_state = true;
1957 return WERR_NOT_SUPPORTED;
1958 }
1959
1960 /****************************************************************
1961 ****************************************************************/
1962
1963 WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
1964 struct netr_DsrDeregisterDNSHostRecords *r)
1965 {
1966 p->rng_fault_state = true;
1967 return WERR_NOT_SUPPORTED;
1968 }
1969
1970 /****************************************************************
1971 ****************************************************************/
1972
1973 NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
1974 struct netr_ServerTrustPasswordsGet *r)
1975 {
1976 p->rng_fault_state = true;
1977 return NT_STATUS_NOT_IMPLEMENTED;
1978 }
1979
1980 /****************************************************************
1981 ****************************************************************/
1982
1983 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
1984 struct netr_DsRGetForestTrustInformation *r)
1985 {
1986 p->rng_fault_state = true;
1987 return WERR_NOT_SUPPORTED;
1988 }
1989
1990 /****************************************************************
1991 ****************************************************************/
1992
1993 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
1994 struct netr_GetForestTrustInformation *r)
1995 {
1996 p->rng_fault_state = true;
1997 return NT_STATUS_NOT_IMPLEMENTED;
1998 }
1999
2000 /****************************************************************
2001 ****************************************************************/
2002
2003 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2004 struct netr_ServerGetTrustInfo *r)
2005 {
2006 p->rng_fault_state = true;
2007 return NT_STATUS_NOT_IMPLEMENTED;
2008 }
2009
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