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s3: explicitly pass domain_sid to wbint_LookupRids() (bug #7841)
[Samba.git] / source3 / rpc_server / srv_netlog_nt.c
blob1ebe361cb82e09c843bfbb9aee9b4113026a93b8
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
31 extern userdom_struct current_user_info;
32
33 #undef DBGC_CLASS
34 #define DBGC_CLASS DBGC_RPC_SRV
35
36 struct netlogon_server_pipe_state {
37 struct netr_Credential client_challenge;
38 struct netr_Credential server_challenge;
39 };
40
41 /*************************************************************************
42 _netr_LogonControl
43 *************************************************************************/
44
45 WERROR _netr_LogonControl(pipes_struct *p,
46 struct netr_LogonControl *r)
47 {
48 struct netr_LogonControl2Ex l;
49
50 switch (r->in.level) {
51 case 1:
52 break;
53 case 2:
54 return WERR_NOT_SUPPORTED;
55 default:
56 return WERR_UNKNOWN_LEVEL;
57 }
58
59 l.in.logon_server = r->in.logon_server;
60 l.in.function_code = r->in.function_code;
61 l.in.level = r->in.level;
62 l.in.data = NULL;
63 l.out.query = r->out.query;
64
65 return _netr_LogonControl2Ex(p, &l);
66 }
67
68 /****************************************************************************
69 Send a message to smbd to do a sam synchronisation
70 **************************************************************************/
71
72 static void send_sync_message(void)
73 {
74 DEBUG(3, ("sending sam synchronisation message\n"));
75 message_send_all(smbd_messaging_context(), MSG_SMB_SAM_SYNC, NULL, 0,
76 NULL);
77 }
78
79 /*************************************************************************
80 _netr_LogonControl2
81 *************************************************************************/
82
83 WERROR _netr_LogonControl2(pipes_struct *p,
84 struct netr_LogonControl2 *r)
85 {
86 struct netr_LogonControl2Ex l;
87
88 l.in.logon_server = r->in.logon_server;
89 l.in.function_code = r->in.function_code;
90 l.in.level = r->in.level;
91 l.in.data = r->in.data;
92 l.out.query = r->out.query;
93
94 return _netr_LogonControl2Ex(p, &l);
95 }
96
97 /*************************************************************************
98 *************************************************************************/
99
100 static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
101 {
102 wbcErr result;
103 struct wbcAuthErrorInfo *error = NULL;
104
105 result = wbcChangeTrustCredentials(domain, &error);
106 switch (result) {
107 case WBC_ERR_WINBIND_NOT_AVAILABLE:
108 return false;
109 case WBC_ERR_DOMAIN_NOT_FOUND:
110 *tc_status = WERR_NO_SUCH_DOMAIN;
111 return true;
112 case WBC_ERR_SUCCESS:
113 *tc_status = WERR_OK;
114 return true;
115 default:
116 break;
117 }
118
119 if (error && error->nt_status != 0) {
120 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
121 } else {
122 *tc_status = WERR_TRUST_FAILURE;
123 }
124 wbcFreeMemory(error);
125 return true;
126 }
127
128 /*************************************************************************
129 *************************************************************************/
130
131 static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
132 {
133 wbcErr result;
134 struct wbcAuthErrorInfo *error = NULL;
135
136 result = wbcCheckTrustCredentials(domain, &error);
137 switch (result) {
138 case WBC_ERR_WINBIND_NOT_AVAILABLE:
139 return false;
140 case WBC_ERR_DOMAIN_NOT_FOUND:
141 *tc_status = WERR_NO_SUCH_DOMAIN;
142 return true;
143 case WBC_ERR_SUCCESS:
144 *tc_status = WERR_OK;
145 return true;
146 default:
147 break;
148 }
149
150 if (error && error->nt_status != 0) {
151 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
152 } else {
153 *tc_status = WERR_TRUST_FAILURE;
154 }
155 wbcFreeMemory(error);
156 return true;
157 }
158
159 /****************************************************************
160 _netr_LogonControl2Ex
161 ****************************************************************/
162
163 WERROR _netr_LogonControl2Ex(pipes_struct *p,
164 struct netr_LogonControl2Ex *r)
165 {
166 uint32_t flags = 0x0;
167 WERROR pdc_connection_status = WERR_OK;
168 uint32_t logon_attempts = 0x0;
169 WERROR tc_status;
170 fstring dc_name2;
171 const char *dc_name = NULL;
172 struct sockaddr_storage dc_ss;
173 const char *domain = NULL;
174 struct netr_NETLOGON_INFO_1 *info1;
175 struct netr_NETLOGON_INFO_2 *info2;
176 struct netr_NETLOGON_INFO_3 *info3;
177 struct netr_NETLOGON_INFO_4 *info4;
178 const char *fn;
179 uint32_t acct_ctrl;
180
181 switch (p->hdr_req.opnum) {
182 case NDR_NETR_LOGONCONTROL:
183 fn = "_netr_LogonControl";
184 break;
185 case NDR_NETR_LOGONCONTROL2:
186 fn = "_netr_LogonControl2";
187 break;
188 case NDR_NETR_LOGONCONTROL2EX:
189 fn = "_netr_LogonControl2Ex";
190 break;
191 default:
192 return WERR_INVALID_PARAM;
193 }
194
195 acct_ctrl = pdb_get_acct_ctrl(p->server_info->sam_account);
196
197 switch (r->in.function_code) {
198 case NETLOGON_CONTROL_TC_VERIFY:
199 case NETLOGON_CONTROL_CHANGE_PASSWORD:
200 case NETLOGON_CONTROL_REDISCOVER:
201 if ((geteuid() != sec_initial_uid()) &&
202 !nt_token_check_domain_rid(p->server_info->ptok, DOMAIN_RID_ADMINS) &&
203 !nt_token_check_sid(&global_sid_Builtin_Administrators, p->server_info->ptok) &&
204 !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
205 return WERR_ACCESS_DENIED;
206 }
207 break;
208 default:
209 break;
210 }
211
212 tc_status = WERR_NO_SUCH_DOMAIN;
213
214 switch (r->in.function_code) {
215 case NETLOGON_CONTROL_QUERY:
216 tc_status = WERR_OK;
217 break;
218 case NETLOGON_CONTROL_REPLICATE:
219 case NETLOGON_CONTROL_SYNCHRONIZE:
220 case NETLOGON_CONTROL_PDC_REPLICATE:
221 case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
222 case NETLOGON_CONTROL_BREAKPOINT:
223 if (acct_ctrl & ACB_NORMAL) {
224 return WERR_NOT_SUPPORTED;
225 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
226 return WERR_ACCESS_DENIED;
227 } else {
228 return WERR_ACCESS_DENIED;
229 }
230 case NETLOGON_CONTROL_TRUNCATE_LOG:
231 if (acct_ctrl & ACB_NORMAL) {
232 break;
233 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
234 return WERR_ACCESS_DENIED;
235 } else {
236 return WERR_ACCESS_DENIED;
237 }
238
239 case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
240 case NETLOGON_CONTROL_FORCE_DNS_REG:
241 case NETLOGON_CONTROL_QUERY_DNS_REG:
242 return WERR_NOT_SUPPORTED;
243 case NETLOGON_CONTROL_FIND_USER:
244 if (!r->in.data || !r->in.data->user) {
245 return WERR_NOT_SUPPORTED;
246 }
247 break;
248 case NETLOGON_CONTROL_SET_DBFLAG:
249 if (!r->in.data) {
250 return WERR_NOT_SUPPORTED;
251 }
252 break;
253 case NETLOGON_CONTROL_TC_VERIFY:
254 if (!r->in.data || !r->in.data->domain) {
255 return WERR_NOT_SUPPORTED;
256 }
257
258 if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
259 return WERR_NOT_SUPPORTED;
260 }
261 break;
262 case NETLOGON_CONTROL_TC_QUERY:
263 if (!r->in.data || !r->in.data->domain) {
264 return WERR_NOT_SUPPORTED;
265 }
266
267 domain = r->in.data->domain;
268
269 if (!is_trusted_domain(domain)) {
270 break;
271 }
272
273 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
274 tc_status = WERR_NO_LOGON_SERVERS;
275 break;
276 }
277
278 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
279 if (!dc_name) {
280 return WERR_NOMEM;
281 }
282
283 tc_status = WERR_OK;
284
285 break;
286
287 case NETLOGON_CONTROL_REDISCOVER:
288 if (!r->in.data || !r->in.data->domain) {
289 return WERR_NOT_SUPPORTED;
290 }
291
292 domain = r->in.data->domain;
293
294 if (!is_trusted_domain(domain)) {
295 break;
296 }
297
298 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
299 tc_status = WERR_NO_LOGON_SERVERS;
300 break;
301 }
302
303 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
304 if (!dc_name) {
305 return WERR_NOMEM;
306 }
307
308 tc_status = WERR_OK;
309
310 break;
311
312 case NETLOGON_CONTROL_CHANGE_PASSWORD:
313 if (!r->in.data || !r->in.data->domain) {
314 return WERR_NOT_SUPPORTED;
315 }
316
317 if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
318 return WERR_NOT_SUPPORTED;
319 }
320 break;
321
322 default:
323 /* no idea what this should be */
324 DEBUG(0,("%s: unimplemented function level [%d]\n",
325 fn, r->in.function_code));
326 return WERR_UNKNOWN_LEVEL;
327 }
328
329 /* prepare the response */
330
331 switch (r->in.level) {
332 case 1:
333 info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
334 W_ERROR_HAVE_NO_MEMORY(info1);
335
336 info1->flags = flags;
337 info1->pdc_connection_status = pdc_connection_status;
338
339 r->out.query->info1 = info1;
340 break;
341 case 2:
342 info2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_2);
343 W_ERROR_HAVE_NO_MEMORY(info2);
344
345 info2->flags = flags;
346 info2->pdc_connection_status = pdc_connection_status;
347 info2->trusted_dc_name = dc_name;
348 info2->tc_connection_status = tc_status;
349
350 r->out.query->info2 = info2;
351 break;
352 case 3:
353 info3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_3);
354 W_ERROR_HAVE_NO_MEMORY(info3);
355
356 info3->flags = flags;
357 info3->logon_attempts = logon_attempts;
358
359 r->out.query->info3 = info3;
360 break;
361 case 4:
362 info4 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_4);
363 W_ERROR_HAVE_NO_MEMORY(info4);
364
365 info4->trusted_dc_name = dc_name;
366 info4->trusted_domain_name = r->in.data->domain;
367
368 r->out.query->info4 = info4;
369 break;
370 default:
371 return WERR_UNKNOWN_LEVEL;
372 }
373
374 if (lp_server_role() == ROLE_DOMAIN_BDC) {
375 send_sync_message();
376 }
377
378 return WERR_OK;
379 }
380
381 /*************************************************************************
382 _netr_NetrEnumerateTrustedDomains
383 *************************************************************************/
384
385 WERROR _netr_NetrEnumerateTrustedDomains(pipes_struct *p,
386 struct netr_NetrEnumerateTrustedDomains *r)
387 {
388 NTSTATUS status;
389 DATA_BLOB blob;
390 struct trustdom_info **domains;
391 uint32_t num_domains;
392 const char **trusted_domains;
393 int i;
394
395 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
396
397 /* set up the Trusted Domain List response */
398
399 become_root();
400 status = pdb_enum_trusteddoms(p->mem_ctx, &num_domains, &domains);
401 unbecome_root();
402
403 if (!NT_STATUS_IS_OK(status)) {
404 return ntstatus_to_werror(status);
405 }
406
407 trusted_domains = talloc_zero_array(p->mem_ctx, const char *, num_domains + 1);
408 if (!trusted_domains) {
409 return WERR_NOMEM;
410 }
411
412 for (i = 0; i < num_domains; i++) {
413 trusted_domains[i] = talloc_strdup(trusted_domains, domains[i]->name);
414 if (!trusted_domains[i]) {
415 TALLOC_FREE(trusted_domains);
416 return WERR_NOMEM;
417 }
418 }
419
420 if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
421 TALLOC_FREE(trusted_domains);
422 return WERR_NOMEM;
423 }
424
425 r->out.trusted_domains_blob->data = blob.data;
426 r->out.trusted_domains_blob->length = blob.length;
427
428 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
429
430 return WERR_OK;
431 }
432
433 /******************************************************************
434 gets a machine password entry. checks access rights of the host.
435 ******************************************************************/
436
437 static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
438 enum netr_SchannelType sec_chan_type, struct dom_sid *sid)
439 {
440 struct samu *sampass = NULL;
441 const uint8 *pass;
442 bool ret;
443 uint32 acct_ctrl;
444
445 #if 0
446 char addr[INET6_ADDRSTRLEN];
447
448 /*
449 * Currently this code is redundent as we already have a filter
450 * by hostname list. What this code really needs to do is to
451 * get a hosts allowed/hosts denied list from the SAM database
452 * on a per user basis, and make the access decision there.
453 * I will leave this code here for now as a reminder to implement
454 * this at a later date. JRA.
455 */
456
457 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
458 client_name(get_client_fd()),
459 client_addr(get_client_fd(),addr,sizeof(addr)))) {
460 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
461 return False;
462 }
463 #endif /* 0 */
464
465 if ( !(sampass = samu_new( NULL )) ) {
466 return NT_STATUS_NO_MEMORY;
467 }
468
469 /* JRA. This is ok as it is only used for generating the challenge. */
470 become_root();
471 ret = pdb_getsampwnam(sampass, mach_acct);
472 unbecome_root();
473
474 if (!ret) {
475 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
476 TALLOC_FREE(sampass);
477 return NT_STATUS_ACCESS_DENIED;
478 }
479
480 acct_ctrl = pdb_get_acct_ctrl(sampass);
481 if (acct_ctrl & ACB_DISABLED) {
482 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
483 TALLOC_FREE(sampass);
484 return NT_STATUS_ACCOUNT_DISABLED;
485 }
486
487 if (!(acct_ctrl & ACB_SVRTRUST) &&
488 !(acct_ctrl & ACB_WSTRUST) &&
489 !(acct_ctrl & ACB_DOMTRUST))
490 {
491 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
492 TALLOC_FREE(sampass);
493 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
494 }
495
496 switch (sec_chan_type) {
497 case SEC_CHAN_BDC:
498 if (!(acct_ctrl & ACB_SVRTRUST)) {
499 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
500 "but not a server trust account\n", mach_acct));
501 TALLOC_FREE(sampass);
502 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
503 }
504 break;
505 case SEC_CHAN_WKSTA:
506 if (!(acct_ctrl & ACB_WSTRUST)) {
507 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
508 "but not a workstation trust account\n", mach_acct));
509 TALLOC_FREE(sampass);
510 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
511 }
512 break;
513 case SEC_CHAN_DOMAIN:
514 if (!(acct_ctrl & ACB_DOMTRUST)) {
515 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
516 "but not a interdomain trust account\n", mach_acct));
517 TALLOC_FREE(sampass);
518 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
519 }
520 break;
521 default:
522 break;
523 }
524
525 if ((pass = pdb_get_nt_passwd(sampass)) == NULL) {
526 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
527 TALLOC_FREE(sampass);
528 return NT_STATUS_LOGON_FAILURE;
529 }
530
531 memcpy(md4pw->hash, pass, 16);
532 dump_data(5, md4pw->hash, 16);
533
534 sid_copy(sid, pdb_get_user_sid(sampass));
535
536 TALLOC_FREE(sampass);
537
538 return NT_STATUS_OK;
539
540
541 }
542
543 /*************************************************************************
544 _netr_ServerReqChallenge
545 *************************************************************************/
546
547 NTSTATUS _netr_ServerReqChallenge(pipes_struct *p,
548 struct netr_ServerReqChallenge *r)
549 {
550 struct netlogon_server_pipe_state *pipe_state =
551 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
552
553 if (pipe_state) {
554 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
555 talloc_free(pipe_state);
556 p->private_data = NULL;
557 }
558
559 pipe_state = talloc(p, struct netlogon_server_pipe_state);
560 NT_STATUS_HAVE_NO_MEMORY(pipe_state);
561
562 pipe_state->client_challenge = *r->in.credentials;
563
564 generate_random_buffer(pipe_state->server_challenge.data,
565 sizeof(pipe_state->server_challenge.data));
566
567 *r->out.return_credentials = pipe_state->server_challenge;
568
569 p->private_data = pipe_state;
570
571 return NT_STATUS_OK;
572 }
573
574 /*************************************************************************
575 _netr_ServerAuthenticate
576 Create the initial credentials.
577 *************************************************************************/
578
579 NTSTATUS _netr_ServerAuthenticate(pipes_struct *p,
580 struct netr_ServerAuthenticate *r)
581 {
582 struct netr_ServerAuthenticate3 a;
583 uint32_t negotiate_flags = 0;
584 uint32_t rid;
585
586 a.in.server_name = r->in.server_name;
587 a.in.account_name = r->in.account_name;
588 a.in.secure_channel_type = r->in.secure_channel_type;
589 a.in.computer_name = r->in.computer_name;
590 a.in.credentials = r->in.credentials;
591 a.in.negotiate_flags = &negotiate_flags;
592
593 a.out.return_credentials = r->out.return_credentials;
594 a.out.rid = &rid;
595 a.out.negotiate_flags = &negotiate_flags;
596
597 return _netr_ServerAuthenticate3(p, &a);
598
599 }
600
601 /*************************************************************************
602 _netr_ServerAuthenticate3
603 *************************************************************************/
604
605 NTSTATUS _netr_ServerAuthenticate3(pipes_struct *p,
606 struct netr_ServerAuthenticate3 *r)
607 {
608 NTSTATUS status;
609 uint32_t srv_flgs;
610 /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
611 * so use a copy to avoid destroying the client values. */
612 uint32_t in_neg_flags = *r->in.negotiate_flags;
613 const char *fn;
614 struct dom_sid sid;
615 struct samr_Password mach_pwd;
616 struct netlogon_creds_CredentialState *creds;
617 struct netlogon_server_pipe_state *pipe_state =
618 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
619
620 /* According to Microsoft (see bugid #6099)
621 * Windows 7 looks at the negotiate_flags
622 * returned in this structure *even if the
623 * call fails with access denied* ! So in order
624 * to allow Win7 to connect to a Samba NT style
625 * PDC we set the flags before we know if it's
626 * an error or not.
627 */
628
629 /* 0x000001ff */
630 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
631 NETLOGON_NEG_PERSISTENT_SAMREPL |
632 NETLOGON_NEG_ARCFOUR |
633 NETLOGON_NEG_PROMOTION_COUNT |
634 NETLOGON_NEG_CHANGELOG_BDC |
635 NETLOGON_NEG_FULL_SYNC_REPL |
636 NETLOGON_NEG_MULTIPLE_SIDS |
637 NETLOGON_NEG_REDO |
638 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
639 NETLOGON_NEG_PASSWORD_SET2;
640
641 /* Ensure we support strong (128-bit) keys. */
642 if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
643 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
644 }
645
646 if (lp_server_schannel() != false) {
647 srv_flgs |= NETLOGON_NEG_SCHANNEL;
648 }
649
650 switch (p->hdr_req.opnum) {
651 case NDR_NETR_SERVERAUTHENTICATE:
652 fn = "_netr_ServerAuthenticate";
653 break;
654 case NDR_NETR_SERVERAUTHENTICATE2:
655 fn = "_netr_ServerAuthenticate2";
656 break;
657 case NDR_NETR_SERVERAUTHENTICATE3:
658 fn = "_netr_ServerAuthenticate3";
659 break;
660 default:
661 return NT_STATUS_INTERNAL_ERROR;
662 }
663
664 /* We use this as the key to store the creds: */
665 /* r->in.computer_name */
666
667 if (!pipe_state) {
668 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
669 r->in.computer_name));
670 status = NT_STATUS_ACCESS_DENIED;
671 goto out;
672 }
673
674 if ( (lp_server_schannel() == true) &&
675 ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
676
677 /* schannel must be used, but client did not offer it. */
678 DEBUG(0,("%s: schannel required but client failed "
679 "to offer it. Client was %s\n",
680 fn, r->in.account_name));
681 status = NT_STATUS_ACCESS_DENIED;
682 goto out;
683 }
684
685 status = get_md4pw(&mach_pwd,
686 r->in.account_name,
687 r->in.secure_channel_type,
688 &sid);
689 if (!NT_STATUS_IS_OK(status)) {
690 DEBUG(0,("%s: failed to get machine password for "
691 "account %s: %s\n",
692 fn, r->in.account_name, nt_errstr(status) ));
693 /* always return NT_STATUS_ACCESS_DENIED */
694 status = NT_STATUS_ACCESS_DENIED;
695 goto out;
696 }
697
698 /* From the client / server challenges and md4 password, generate sess key */
699 /* Check client credentials are valid. */
700 creds = netlogon_creds_server_init(p->mem_ctx,
701 r->in.account_name,
702 r->in.computer_name,
703 r->in.secure_channel_type,
704 &pipe_state->client_challenge,
705 &pipe_state->server_challenge,
706 &mach_pwd,
707 r->in.credentials,
708 r->out.return_credentials,
709 *r->in.negotiate_flags);
710 if (!creds) {
711 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
712 "request from client %s machine account %s\n",
713 fn, r->in.computer_name,
714 r->in.account_name));
715 status = NT_STATUS_ACCESS_DENIED;
716 goto out;
717 }
718
719 creds->sid = sid_dup_talloc(creds, &sid);
720 if (!creds->sid) {
721 status = NT_STATUS_NO_MEMORY;
722 goto out;
723 }
724
725 /* Store off the state so we can continue after client disconnect. */
726 become_root();
727 status = schannel_store_session_key(p->mem_ctx, creds);
728 unbecome_root();
729
730 if (!NT_STATUS_IS_OK(status)) {
731 goto out;
732 }
733
734 sid_peek_rid(&sid, r->out.rid);
735
736 status = NT_STATUS_OK;
737
738 out:
739
740 *r->out.negotiate_flags = srv_flgs;
741 return status;
742 }
743
744 /*************************************************************************
745 _netr_ServerAuthenticate2
746 *************************************************************************/
747
748 NTSTATUS _netr_ServerAuthenticate2(pipes_struct *p,
749 struct netr_ServerAuthenticate2 *r)
750 {
751 struct netr_ServerAuthenticate3 a;
752 uint32_t rid;
753
754 a.in.server_name = r->in.server_name;
755 a.in.account_name = r->in.account_name;
756 a.in.secure_channel_type = r->in.secure_channel_type;
757 a.in.computer_name = r->in.computer_name;
758 a.in.credentials = r->in.credentials;
759 a.in.negotiate_flags = r->in.negotiate_flags;
760
761 a.out.return_credentials = r->out.return_credentials;
762 a.out.rid = &rid;
763 a.out.negotiate_flags = r->out.negotiate_flags;
764
765 return _netr_ServerAuthenticate3(p, &a);
766 }
767
768 /*************************************************************************
769 *************************************************************************/
770
771 static NTSTATUS netr_creds_server_step_check(pipes_struct *p,
772 TALLOC_CTX *mem_ctx,
773 const char *computer_name,
774 struct netr_Authenticator *received_authenticator,
775 struct netr_Authenticator *return_authenticator,
776 struct netlogon_creds_CredentialState **creds_out)
777 {
778 NTSTATUS status;
779 struct tdb_context *tdb;
780 bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
781 bool schannel_in_use = (p->auth.auth_type == PIPE_AUTH_TYPE_SCHANNEL) ? true:false; /* &&
782 (p->auth.auth_level == DCERPC_AUTH_LEVEL_INTEGRITY ||
783 p->auth.auth_level == DCERPC_AUTH_LEVEL_PRIVACY); */
784
785 tdb = open_schannel_session_store(mem_ctx);
786 if (!tdb) {
787 return NT_STATUS_ACCESS_DENIED;
788 }
789
790 status = schannel_creds_server_step_check_tdb(tdb, mem_ctx,
791 computer_name,
792 schannel_global_required,
793 schannel_in_use,
794 received_authenticator,
795 return_authenticator,
796 creds_out);
797 tdb_close(tdb);
798
799 return status;
800 }
801
802 /*************************************************************************
803 *************************************************************************/
804
805 static NTSTATUS netr_find_machine_account(TALLOC_CTX *mem_ctx,
806 const char *account_name,
807 struct samu **sampassp)
808 {
809 struct samu *sampass;
810 bool ret = false;
811 uint32_t acct_ctrl;
812
813 sampass = samu_new(mem_ctx);
814 if (!sampass) {
815 return NT_STATUS_NO_MEMORY;
816 }
817
818 become_root();
819 ret = pdb_getsampwnam(sampass, account_name);
820 unbecome_root();
821
822 if (!ret) {
823 TALLOC_FREE(sampass);
824 return NT_STATUS_ACCESS_DENIED;
825 }
826
827 /* Ensure the account exists and is a machine account. */
828
829 acct_ctrl = pdb_get_acct_ctrl(sampass);
830
831 if (!(acct_ctrl & ACB_WSTRUST ||
832 acct_ctrl & ACB_SVRTRUST ||
833 acct_ctrl & ACB_DOMTRUST)) {
834 TALLOC_FREE(sampass);
835 return NT_STATUS_NO_SUCH_USER;
836 }
837
838 if (acct_ctrl & ACB_DISABLED) {
839 TALLOC_FREE(sampass);
840 return NT_STATUS_ACCOUNT_DISABLED;
841 }
842
843 *sampassp = sampass;
844
845 return NT_STATUS_OK;
846 }
847
848 /*************************************************************************
849 *************************************************************************/
850
851 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
852 struct samu *sampass,
853 DATA_BLOB *plaintext_blob,
854 struct samr_Password *nt_hash,
855 struct samr_Password *lm_hash)
856 {
857 NTSTATUS status;
858 const uchar *old_pw;
859 const char *plaintext = NULL;
860 size_t plaintext_len;
861 struct samr_Password nt_hash_local;
862
863 if (!sampass) {
864 return NT_STATUS_INVALID_PARAMETER;
865 }
866
867 if (plaintext_blob) {
868 if (!convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX,
869 plaintext_blob->data, plaintext_blob->length,
870 &plaintext, &plaintext_len, false))
871 {
872 plaintext = NULL;
873 mdfour(nt_hash_local.hash, plaintext_blob->data, plaintext_blob->length);
874 nt_hash = &nt_hash_local;
875 }
876 }
877
878 if (plaintext) {
879 if (!pdb_set_plaintext_passwd(sampass, plaintext)) {
880 return NT_STATUS_ACCESS_DENIED;
881 }
882
883 goto done;
884 }
885
886 if (nt_hash) {
887 old_pw = pdb_get_nt_passwd(sampass);
888
889 if (old_pw && memcmp(nt_hash->hash, old_pw, 16) == 0) {
890 /* Avoid backend modificiations and other fun if the
891 client changed the password to the *same thing* */
892 } else {
893 /* LM password should be NULL for machines */
894 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
895 return NT_STATUS_NO_MEMORY;
896 }
897 if (!pdb_set_nt_passwd(sampass, nt_hash->hash, PDB_CHANGED)) {
898 return NT_STATUS_NO_MEMORY;
899 }
900
901 if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
902 /* Not quite sure what this one qualifies as, but this will do */
903 return NT_STATUS_UNSUCCESSFUL;
904 }
905 }
906 }
907
908 done:
909 become_root();
910 status = pdb_update_sam_account(sampass);
911 unbecome_root();
912
913 return status;
914 }
915
916 /*************************************************************************
917 _netr_ServerPasswordSet
918 *************************************************************************/
919
920 NTSTATUS _netr_ServerPasswordSet(pipes_struct *p,
921 struct netr_ServerPasswordSet *r)
922 {
923 NTSTATUS status = NT_STATUS_OK;
924 struct samu *sampass=NULL;
925 int i;
926 struct netlogon_creds_CredentialState *creds;
927
928 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
929
930 become_root();
931 status = netr_creds_server_step_check(p, p->mem_ctx,
932 r->in.computer_name,
933 r->in.credential,
934 r->out.return_authenticator,
935 &creds);
936 unbecome_root();
937
938 if (!NT_STATUS_IS_OK(status)) {
939 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
940 "request from client %s machine account %s\n",
941 r->in.computer_name, creds->computer_name));
942 TALLOC_FREE(creds);
943 return status;
944 }
945
946 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
947 r->in.computer_name, creds->computer_name));
948
949 netlogon_creds_des_decrypt(creds, r->in.new_password);
950
951 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
952 for(i = 0; i < sizeof(r->in.new_password->hash); i++)
953 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
954 DEBUG(100,("\n"));
955
956 status = netr_find_machine_account(p->mem_ctx,
957 creds->account_name,
958 &sampass);
959 if (!NT_STATUS_IS_OK(status)) {
960 return status;
961 }
962
963 status = netr_set_machine_account_password(sampass,
964 sampass,
965 NULL,
966 r->in.new_password,
967 NULL);
968 TALLOC_FREE(sampass);
969 return status;
970 }
971
972 /****************************************************************
973 _netr_ServerPasswordSet2
974 ****************************************************************/
975
976 NTSTATUS _netr_ServerPasswordSet2(pipes_struct *p,
977 struct netr_ServerPasswordSet2 *r)
978 {
979 NTSTATUS status;
980 struct netlogon_creds_CredentialState *creds;
981 struct samu *sampass;
982 DATA_BLOB plaintext;
983 struct samr_CryptPassword password_buf;
984 struct samr_Password nt_hash;
985
986 become_root();
987 status = netr_creds_server_step_check(p, p->mem_ctx,
988 r->in.computer_name,
989 r->in.credential,
990 r->out.return_authenticator,
991 &creds);
992 unbecome_root();
993
994 if (!NT_STATUS_IS_OK(status)) {
995 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
996 "failed. Rejecting auth request from client %s machine account %s\n",
997 r->in.computer_name, creds->computer_name));
998 TALLOC_FREE(creds);
999 return status;
1000 }
1001
1002 memcpy(password_buf.data, r->in.new_password->data, 512);
1003 SIVAL(password_buf.data, 512, r->in.new_password->length);
1004 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1005
1006 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1007 return NT_STATUS_WRONG_PASSWORD;
1008 }
1009
1010 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1011
1012 status = netr_find_machine_account(p->mem_ctx,
1013 creds->account_name,
1014 &sampass);
1015 if (!NT_STATUS_IS_OK(status)) {
1016 return status;
1017 }
1018
1019 status = netr_set_machine_account_password(sampass,
1020 sampass,
1021 NULL,
1022 &nt_hash,
1023 NULL);
1024 TALLOC_FREE(sampass);
1025 return status;
1026 }
1027
1028 /*************************************************************************
1029 _netr_LogonSamLogoff
1030 *************************************************************************/
1031
1032 NTSTATUS _netr_LogonSamLogoff(pipes_struct *p,
1033 struct netr_LogonSamLogoff *r)
1034 {
1035 NTSTATUS status;
1036 struct netlogon_creds_CredentialState *creds;
1037
1038 become_root();
1039 status = netr_creds_server_step_check(p, p->mem_ctx,
1040 r->in.computer_name,
1041 r->in.credential,
1042 r->out.return_authenticator,
1043 &creds);
1044 unbecome_root();
1045
1046 return status;
1047 }
1048
1049 /*************************************************************************
1050 _netr_LogonSamLogon_base
1051 *************************************************************************/
1052
1053 static NTSTATUS _netr_LogonSamLogon_base(pipes_struct *p,
1054 struct netr_LogonSamLogonEx *r,
1055 struct netlogon_creds_CredentialState *creds)
1056 {
1057 NTSTATUS status = NT_STATUS_OK;
1058 union netr_LogonLevel *logon = r->in.logon;
1059 const char *nt_username, *nt_domain, *nt_workstation;
1060 auth_usersupplied_info *user_info = NULL;
1061 auth_serversupplied_info *server_info = NULL;
1062 struct auth_context *auth_context = NULL;
1063 uint8_t pipe_session_key[16];
1064 bool process_creds = true;
1065 const char *fn;
1066
1067 switch (p->hdr_req.opnum) {
1068 case NDR_NETR_LOGONSAMLOGON:
1069 process_creds = true;
1070 fn = "_netr_LogonSamLogon";
1071 break;
1072 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1073 process_creds = true;
1074 fn = "_netr_LogonSamLogonWithFlags";
1075 break;
1076 case NDR_NETR_LOGONSAMLOGONEX:
1077 process_creds = false;
1078 fn = "_netr_LogonSamLogonEx";
1079 break;
1080 default:
1081 return NT_STATUS_INTERNAL_ERROR;
1082 }
1083
1084 *r->out.authoritative = true; /* authoritative response */
1085
1086 switch (r->in.validation_level) {
1087 case 2:
1088 r->out.validation->sam2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo2);
1089 if (!r->out.validation->sam2) {
1090 return NT_STATUS_NO_MEMORY;
1091 }
1092 break;
1093 case 3:
1094 r->out.validation->sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
1095 if (!r->out.validation->sam3) {
1096 return NT_STATUS_NO_MEMORY;
1097 }
1098 break;
1099 case 6:
1100 r->out.validation->sam6 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo6);
1101 if (!r->out.validation->sam6) {
1102 return NT_STATUS_NO_MEMORY;
1103 }
1104 break;
1105 default:
1106 DEBUG(0,("%s: bad validation_level value %d.\n",
1107 fn, (int)r->in.validation_level));
1108 return NT_STATUS_INVALID_INFO_CLASS;
1109 }
1110
1111 switch (r->in.logon_level) {
1112 case NetlogonInteractiveInformation:
1113 case NetlogonServiceInformation:
1114 case NetlogonInteractiveTransitiveInformation:
1115 case NetlogonServiceTransitiveInformation:
1116 nt_username = logon->password->identity_info.account_name.string ?
1117 logon->password->identity_info.account_name.string : "";
1118 nt_domain = logon->password->identity_info.domain_name.string ?
1119 logon->password->identity_info.domain_name.string : "";
1120 nt_workstation = logon->password->identity_info.workstation.string ?
1121 logon->password->identity_info.workstation.string : "";
1122
1123 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1124 break;
1125 case NetlogonNetworkInformation:
1126 case NetlogonNetworkTransitiveInformation:
1127 nt_username = logon->network->identity_info.account_name.string ?
1128 logon->network->identity_info.account_name.string : "";
1129 nt_domain = logon->network->identity_info.domain_name.string ?
1130 logon->network->identity_info.domain_name.string : "";
1131 nt_workstation = logon->network->identity_info.workstation.string ?
1132 logon->network->identity_info.workstation.string : "";
1133
1134 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1135 break;
1136 default:
1137 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1138 return NT_STATUS_INVALID_INFO_CLASS;
1139 } /* end switch */
1140
1141 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1142 fstrcpy(current_user_info.smb_name, nt_username);
1143 sub_set_smb_name(nt_username);
1144
1145 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1146 r->in.validation_level, nt_username));
1147
1148 status = NT_STATUS_OK;
1149
1150 switch (r->in.logon_level) {
1151 case NetlogonNetworkInformation:
1152 case NetlogonNetworkTransitiveInformation:
1153 {
1154 const char *wksname = nt_workstation;
1155
1156 status = make_auth_context_fixed(&auth_context,
1157 logon->network->challenge);
1158 if (!NT_STATUS_IS_OK(status)) {
1159 return status;
1160 }
1161
1162 /* For a network logon, the workstation name comes in with two
1163 * backslashes in the front. Strip them if they are there. */
1164
1165 if (*wksname == '\\') wksname++;
1166 if (*wksname == '\\') wksname++;
1167
1168 /* Standard challenge/response authenticaion */
1169 if (!make_user_info_netlogon_network(&user_info,
1170 nt_username, nt_domain,
1171 wksname,
1172 logon->network->identity_info.parameter_control,
1173 logon->network->lm.data,
1174 logon->network->lm.length,
1175 logon->network->nt.data,
1176 logon->network->nt.length)) {
1177 status = NT_STATUS_NO_MEMORY;
1178 }
1179 break;
1180 }
1181 case NetlogonInteractiveInformation:
1182 case NetlogonServiceInformation:
1183 case NetlogonInteractiveTransitiveInformation:
1184 case NetlogonServiceTransitiveInformation:
1185
1186 /* 'Interactive' authentication, supplies the password in its
1187 MD4 form, encrypted with the session key. We will convert
1188 this to challenge/response for the auth subsystem to chew
1189 on */
1190 {
1191 uint8_t chal[8];
1192
1193 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
1194 return status;
1195 }
1196
1197 auth_context->get_ntlm_challenge(auth_context, chal);
1198
1199 if (!make_user_info_netlogon_interactive(&user_info,
1200 nt_username, nt_domain,
1201 nt_workstation,
1202 logon->password->identity_info.parameter_control,
1203 chal,
1204 logon->password->lmpassword.hash,
1205 logon->password->ntpassword.hash,
1206 creds->session_key)) {
1207 status = NT_STATUS_NO_MEMORY;
1208 }
1209 break;
1210 }
1211 default:
1212 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1213 return NT_STATUS_INVALID_INFO_CLASS;
1214 } /* end switch */
1215
1216 if ( NT_STATUS_IS_OK(status) ) {
1217 status = auth_context->check_ntlm_password(auth_context,
1218 user_info, &server_info);
1219 }
1220
1221 (auth_context->free)(&auth_context);
1222 free_user_info(&user_info);
1223
1224 DEBUG(5,("%s: check_password returned status %s\n",
1225 fn, nt_errstr(status)));
1226
1227 /* Check account and password */
1228
1229 if (!NT_STATUS_IS_OK(status)) {
1230 /* If we don't know what this domain is, we need to
1231 indicate that we are not authoritative. This
1232 allows the client to decide if it needs to try
1233 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1234 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1235 && !strequal(nt_domain, get_global_sam_name())
1236 && !is_trusted_domain(nt_domain) )
1237 *r->out.authoritative = false; /* We are not authoritative */
1238
1239 TALLOC_FREE(server_info);
1240 return status;
1241 }
1242
1243 if (server_info->guest) {
1244 /* We don't like guest domain logons... */
1245 DEBUG(5,("%s: Attempted domain logon as GUEST "
1246 "denied.\n", fn));
1247 TALLOC_FREE(server_info);
1248 return NT_STATUS_LOGON_FAILURE;
1249 }
1250
1251 /* This is the point at which, if the login was successful, that
1252 the SAM Local Security Authority should record that the user is
1253 logged in to the domain. */
1254
1255 if (process_creds) {
1256 /* Get the pipe session key from the creds. */
1257 memcpy(pipe_session_key, creds->session_key, 16);
1258 } else {
1259 /* Get the pipe session key from the schannel. */
1260 if ((p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL)
1261 || (p->auth.a_u.schannel_auth == NULL)) {
1262 return NT_STATUS_INVALID_HANDLE;
1263 }
1264 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->creds->session_key, 16);
1265 }
1266
1267 switch (r->in.validation_level) {
1268 case 2:
1269 status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
1270 r->out.validation->sam2);
1271 break;
1272 case 3:
1273 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
1274 r->out.validation->sam3);
1275 break;
1276 case 6:
1277 status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
1278 r->out.validation->sam6);
1279 break;
1280 }
1281
1282 TALLOC_FREE(server_info);
1283
1284 return status;
1285 }
1286
1287 /****************************************************************
1288 _netr_LogonSamLogonWithFlags
1289 ****************************************************************/
1290
1291 NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p,
1292 struct netr_LogonSamLogonWithFlags *r)
1293 {
1294 NTSTATUS status;
1295 struct netlogon_creds_CredentialState *creds;
1296 struct netr_LogonSamLogonEx r2;
1297 struct netr_Authenticator return_authenticator;
1298
1299 become_root();
1300 status = netr_creds_server_step_check(p, p->mem_ctx,
1301 r->in.computer_name,
1302 r->in.credential,
1303 &return_authenticator,
1304 &creds);
1305 unbecome_root();
1306 if (!NT_STATUS_IS_OK(status)) {
1307 return status;
1308 }
1309
1310 r2.in.server_name = r->in.server_name;
1311 r2.in.computer_name = r->in.computer_name;
1312 r2.in.logon_level = r->in.logon_level;
1313 r2.in.logon = r->in.logon;
1314 r2.in.validation_level = r->in.validation_level;
1315 r2.in.flags = r->in.flags;
1316 r2.out.validation = r->out.validation;
1317 r2.out.authoritative = r->out.authoritative;
1318 r2.out.flags = r->out.flags;
1319
1320 status = _netr_LogonSamLogon_base(p, &r2, creds);
1321
1322 *r->out.return_authenticator = return_authenticator;
1323
1324 return status;
1325 }
1326
1327 /*************************************************************************
1328 _netr_LogonSamLogon
1329 *************************************************************************/
1330
1331 NTSTATUS _netr_LogonSamLogon(pipes_struct *p,
1332 struct netr_LogonSamLogon *r)
1333 {
1334 NTSTATUS status;
1335 struct netr_LogonSamLogonWithFlags r2;
1336 uint32_t flags = 0;
1337
1338 r2.in.server_name = r->in.server_name;
1339 r2.in.computer_name = r->in.computer_name;
1340 r2.in.credential = r->in.credential;
1341 r2.in.logon_level = r->in.logon_level;
1342 r2.in.logon = r->in.logon;
1343 r2.in.validation_level = r->in.validation_level;
1344 r2.in.return_authenticator = r->in.return_authenticator;
1345 r2.in.flags = &flags;
1346 r2.out.validation = r->out.validation;
1347 r2.out.authoritative = r->out.authoritative;
1348 r2.out.flags = &flags;
1349 r2.out.return_authenticator = r->out.return_authenticator;
1350
1351 status = _netr_LogonSamLogonWithFlags(p, &r2);
1352
1353 return status;
1354 }
1355
1356 /*************************************************************************
1357 _netr_LogonSamLogonEx
1358 - no credential chaining. Map into net sam logon.
1359 *************************************************************************/
1360
1361 NTSTATUS _netr_LogonSamLogonEx(pipes_struct *p,
1362 struct netr_LogonSamLogonEx *r)
1363 {
1364 NTSTATUS status;
1365 struct netlogon_creds_CredentialState *creds = NULL;
1366
1367 become_root();
1368 status = schannel_fetch_session_key(p->mem_ctx, r->in.computer_name, &creds);
1369 unbecome_root();
1370 if (!NT_STATUS_IS_OK(status)) {
1371 return status;
1372 }
1373
1374 /* Only allow this if the pipe is protected. */
1375 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1376 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1377 get_remote_machine_name() ));
1378 return NT_STATUS_INVALID_PARAMETER;
1379 }
1380
1381 status = _netr_LogonSamLogon_base(p, r, creds);
1382 TALLOC_FREE(creds);
1383
1384 return status;
1385 }
1386
1387 /*************************************************************************
1388 _ds_enum_dom_trusts
1389 *************************************************************************/
1390 #if 0 /* JERRY -- not correct */
1391 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1392 DS_R_ENUM_DOM_TRUSTS *r_u)
1393 {
1394 NTSTATUS status = NT_STATUS_OK;
1395
1396 /* TODO: According to MSDN, the can only be executed against a
1397 DC or domain member running Windows 2000 or later. Need
1398 to test against a standalone 2k server and see what it
1399 does. A windows 2000 DC includes its own domain in the
1400 list. --jerry */
1401
1402 return status;
1403 }
1404 #endif /* JERRY */
1405
1406
1407 /****************************************************************
1408 ****************************************************************/
1409
1410 WERROR _netr_LogonUasLogon(pipes_struct *p,
1411 struct netr_LogonUasLogon *r)
1412 {
1413 p->rng_fault_state = true;
1414 return WERR_NOT_SUPPORTED;
1415 }
1416
1417 /****************************************************************
1418 ****************************************************************/
1419
1420 WERROR _netr_LogonUasLogoff(pipes_struct *p,
1421 struct netr_LogonUasLogoff *r)
1422 {
1423 p->rng_fault_state = true;
1424 return WERR_NOT_SUPPORTED;
1425 }
1426
1427 /****************************************************************
1428 ****************************************************************/
1429
1430 NTSTATUS _netr_DatabaseDeltas(pipes_struct *p,
1431 struct netr_DatabaseDeltas *r)
1432 {
1433 p->rng_fault_state = true;
1434 return NT_STATUS_NOT_IMPLEMENTED;
1435 }
1436
1437 /****************************************************************
1438 ****************************************************************/
1439
1440 NTSTATUS _netr_DatabaseSync(pipes_struct *p,
1441 struct netr_DatabaseSync *r)
1442 {
1443 p->rng_fault_state = true;
1444 return NT_STATUS_NOT_IMPLEMENTED;
1445 }
1446
1447 /****************************************************************
1448 ****************************************************************/
1449
1450 NTSTATUS _netr_AccountDeltas(pipes_struct *p,
1451 struct netr_AccountDeltas *r)
1452 {
1453 p->rng_fault_state = true;
1454 return NT_STATUS_NOT_IMPLEMENTED;
1455 }
1456
1457 /****************************************************************
1458 ****************************************************************/
1459
1460 NTSTATUS _netr_AccountSync(pipes_struct *p,
1461 struct netr_AccountSync *r)
1462 {
1463 p->rng_fault_state = true;
1464 return NT_STATUS_NOT_IMPLEMENTED;
1465 }
1466
1467 /****************************************************************
1468 ****************************************************************/
1469
1470 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1471 const char *domain,
1472 const char **dcname,
1473 uint32_t flags,
1474 WERROR *werr)
1475 {
1476 wbcErr result;
1477 struct wbcDomainControllerInfo *dc_info = NULL;
1478
1479 result = wbcLookupDomainController(domain,
1480 flags,
1481 &dc_info);
1482 switch (result) {
1483 case WBC_ERR_SUCCESS:
1484 break;
1485 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1486 return false;
1487 case WBC_ERR_DOMAIN_NOT_FOUND:
1488 *werr = WERR_NO_SUCH_DOMAIN;
1489 return true;
1490 default:
1491 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1492 return true;
1493 }
1494
1495 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1496 wbcFreeMemory(dc_info);
1497 if (!*dcname) {
1498 *werr = WERR_NOMEM;
1499 return false;
1500 }
1501
1502 *werr = WERR_OK;
1503
1504 return true;
1505 }
1506
1507 /****************************************************************
1508 _netr_GetDcName
1509 ****************************************************************/
1510
1511 WERROR _netr_GetDcName(pipes_struct *p,
1512 struct netr_GetDcName *r)
1513 {
1514 NTSTATUS status;
1515 WERROR werr;
1516 uint32_t flags;
1517 struct netr_DsRGetDCNameInfo *info;
1518 bool ret;
1519
1520 ret = wb_getdcname(p->mem_ctx,
1521 r->in.domainname,
1522 r->out.dcname,
1523 WBC_LOOKUP_DC_IS_FLAT_NAME |
1524 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1525 WBC_LOOKUP_DC_PDC_REQUIRED,
1526 &werr);
1527 if (ret == true) {
1528 return werr;
1529 }
1530
1531 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1532
1533 status = dsgetdcname(p->mem_ctx,
1534 smbd_messaging_context(),
1535 r->in.domainname,
1536 NULL,
1537 NULL,
1538 flags,
1539 &info);
1540 if (!NT_STATUS_IS_OK(status)) {
1541 return ntstatus_to_werror(status);
1542 }
1543
1544 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1545 talloc_free(info);
1546 if (!*r->out.dcname) {
1547 return WERR_NOMEM;
1548 }
1549
1550 return WERR_OK;
1551 }
1552
1553 /****************************************************************
1554 _netr_GetAnyDCName
1555 ****************************************************************/
1556
1557 WERROR _netr_GetAnyDCName(pipes_struct *p,
1558 struct netr_GetAnyDCName *r)
1559 {
1560 NTSTATUS status;
1561 WERROR werr;
1562 uint32_t flags;
1563 struct netr_DsRGetDCNameInfo *info;
1564 bool ret;
1565
1566 ret = wb_getdcname(p->mem_ctx,
1567 r->in.domainname,
1568 r->out.dcname,
1569 WBC_LOOKUP_DC_IS_FLAT_NAME |
1570 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
1571 &werr);
1572 if (ret == true) {
1573 return werr;
1574 }
1575
1576 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1577
1578 status = dsgetdcname(p->mem_ctx,
1579 smbd_messaging_context(),
1580 r->in.domainname,
1581 NULL,
1582 NULL,
1583 flags,
1584 &info);
1585 if (!NT_STATUS_IS_OK(status)) {
1586 return ntstatus_to_werror(status);
1587 }
1588
1589 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1590 talloc_free(info);
1591 if (!*r->out.dcname) {
1592 return WERR_NOMEM;
1593 }
1594
1595 return WERR_OK;
1596 }
1597
1598 /****************************************************************
1599 ****************************************************************/
1600
1601 NTSTATUS _netr_DatabaseSync2(pipes_struct *p,
1602 struct netr_DatabaseSync2 *r)
1603 {
1604 p->rng_fault_state = true;
1605 return NT_STATUS_NOT_IMPLEMENTED;
1606 }
1607
1608 /****************************************************************
1609 ****************************************************************/
1610
1611 NTSTATUS _netr_DatabaseRedo(pipes_struct *p,
1612 struct netr_DatabaseRedo *r)
1613 {
1614 p->rng_fault_state = true;
1615 return NT_STATUS_NOT_IMPLEMENTED;
1616 }
1617
1618 /****************************************************************
1619 ****************************************************************/
1620
1621 WERROR _netr_DsRGetDCName(pipes_struct *p,
1622 struct netr_DsRGetDCName *r)
1623 {
1624 p->rng_fault_state = true;
1625 return WERR_NOT_SUPPORTED;
1626 }
1627
1628 /****************************************************************
1629 ****************************************************************/
1630
1631 NTSTATUS _netr_LogonGetCapabilities(pipes_struct *p,
1632 struct netr_LogonGetCapabilities *r)
1633 {
1634 return NT_STATUS_NOT_IMPLEMENTED;
1635 }
1636
1637 /****************************************************************
1638 ****************************************************************/
1639
1640 WERROR _netr_NETRLOGONSETSERVICEBITS(pipes_struct *p,
1641 struct netr_NETRLOGONSETSERVICEBITS *r)
1642 {
1643 p->rng_fault_state = true;
1644 return WERR_NOT_SUPPORTED;
1645 }
1646
1647 /****************************************************************
1648 ****************************************************************/
1649
1650 WERROR _netr_LogonGetTrustRid(pipes_struct *p,
1651 struct netr_LogonGetTrustRid *r)
1652 {
1653 p->rng_fault_state = true;
1654 return WERR_NOT_SUPPORTED;
1655 }
1656
1657 /****************************************************************
1658 ****************************************************************/
1659
1660 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(pipes_struct *p,
1661 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
1662 {
1663 p->rng_fault_state = true;
1664 return WERR_NOT_SUPPORTED;
1665 }
1666
1667 /****************************************************************
1668 ****************************************************************/
1669
1670 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(pipes_struct *p,
1671 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
1672 {
1673 p->rng_fault_state = true;
1674 return WERR_NOT_SUPPORTED;
1675 }
1676
1677 /****************************************************************
1678 ****************************************************************/
1679
1680 WERROR _netr_DsRGetDCNameEx(pipes_struct *p,
1681 struct netr_DsRGetDCNameEx *r)
1682 {
1683 p->rng_fault_state = true;
1684 return WERR_NOT_SUPPORTED;
1685 }
1686
1687 /****************************************************************
1688 ****************************************************************/
1689
1690 WERROR _netr_DsRGetSiteName(pipes_struct *p,
1691 struct netr_DsRGetSiteName *r)
1692 {
1693 p->rng_fault_state = true;
1694 return WERR_NOT_SUPPORTED;
1695 }
1696
1697 /****************************************************************
1698 ****************************************************************/
1699
1700 NTSTATUS _netr_LogonGetDomainInfo(pipes_struct *p,
1701 struct netr_LogonGetDomainInfo *r)
1702 {
1703 p->rng_fault_state = true;
1704 return NT_STATUS_NOT_IMPLEMENTED;
1705 }
1706
1707 /****************************************************************
1708 ****************************************************************/
1709
1710 WERROR _netr_ServerPasswordGet(pipes_struct *p,
1711 struct netr_ServerPasswordGet *r)
1712 {
1713 p->rng_fault_state = true;
1714 return WERR_NOT_SUPPORTED;
1715 }
1716
1717 /****************************************************************
1718 ****************************************************************/
1719
1720 WERROR _netr_NETRLOGONSENDTOSAM(pipes_struct *p,
1721 struct netr_NETRLOGONSENDTOSAM *r)
1722 {
1723 p->rng_fault_state = true;
1724 return WERR_NOT_SUPPORTED;
1725 }
1726
1727 /****************************************************************
1728 ****************************************************************/
1729
1730 WERROR _netr_DsRAddressToSitenamesW(pipes_struct *p,
1731 struct netr_DsRAddressToSitenamesW *r)
1732 {
1733 p->rng_fault_state = true;
1734 return WERR_NOT_SUPPORTED;
1735 }
1736
1737 /****************************************************************
1738 ****************************************************************/
1739
1740 WERROR _netr_DsRGetDCNameEx2(pipes_struct *p,
1741 struct netr_DsRGetDCNameEx2 *r)
1742 {
1743 p->rng_fault_state = true;
1744 return WERR_NOT_SUPPORTED;
1745 }
1746
1747 /****************************************************************
1748 ****************************************************************/
1749
1750 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(pipes_struct *p,
1751 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1752 {
1753 p->rng_fault_state = true;
1754 return WERR_NOT_SUPPORTED;
1755 }
1756
1757 /****************************************************************
1758 ****************************************************************/
1759
1760 WERROR _netr_NetrEnumerateTrustedDomainsEx(pipes_struct *p,
1761 struct netr_NetrEnumerateTrustedDomainsEx *r)
1762 {
1763 p->rng_fault_state = true;
1764 return WERR_NOT_SUPPORTED;
1765 }
1766
1767 /****************************************************************
1768 ****************************************************************/
1769
1770 WERROR _netr_DsRAddressToSitenamesExW(pipes_struct *p,
1771 struct netr_DsRAddressToSitenamesExW *r)
1772 {
1773 p->rng_fault_state = true;
1774 return WERR_NOT_SUPPORTED;
1775 }
1776
1777 /****************************************************************
1778 ****************************************************************/
1779
1780 WERROR _netr_DsrGetDcSiteCoverageW(pipes_struct *p,
1781 struct netr_DsrGetDcSiteCoverageW *r)
1782 {
1783 p->rng_fault_state = true;
1784 return WERR_NOT_SUPPORTED;
1785 }
1786
1787 /****************************************************************
1788 ****************************************************************/
1789
1790 WERROR _netr_DsrEnumerateDomainTrusts(pipes_struct *p,
1791 struct netr_DsrEnumerateDomainTrusts *r)
1792 {
1793 p->rng_fault_state = true;
1794 return WERR_NOT_SUPPORTED;
1795 }
1796
1797 /****************************************************************
1798 ****************************************************************/
1799
1800 WERROR _netr_DsrDeregisterDNSHostRecords(pipes_struct *p,
1801 struct netr_DsrDeregisterDNSHostRecords *r)
1802 {
1803 p->rng_fault_state = true;
1804 return WERR_NOT_SUPPORTED;
1805 }
1806
1807 /****************************************************************
1808 ****************************************************************/
1809
1810 NTSTATUS _netr_ServerTrustPasswordsGet(pipes_struct *p,
1811 struct netr_ServerTrustPasswordsGet *r)
1812 {
1813 p->rng_fault_state = true;
1814 return NT_STATUS_NOT_IMPLEMENTED;
1815 }
1816
1817 /****************************************************************
1818 ****************************************************************/
1819
1820 WERROR _netr_DsRGetForestTrustInformation(pipes_struct *p,
1821 struct netr_DsRGetForestTrustInformation *r)
1822 {
1823 p->rng_fault_state = true;
1824 return WERR_NOT_SUPPORTED;
1825 }
1826
1827 /****************************************************************
1828 ****************************************************************/
1829
1830 WERROR _netr_GetForestTrustInformation(pipes_struct *p,
1831 struct netr_GetForestTrustInformation *r)
1832 {
1833 p->rng_fault_state = true;
1834 return WERR_NOT_SUPPORTED;
1835 }
1836
1837 /****************************************************************
1838 ****************************************************************/
1839
1840 NTSTATUS _netr_ServerGetTrustInfo(pipes_struct *p,
1841 struct netr_ServerGetTrustInfo *r)
1842 {
1843 p->rng_fault_state = true;
1844 return NT_STATUS_NOT_IMPLEMENTED;
1845 }
1846
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