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Second part of fix for bug #8673 - NT ACL issue.
[Samba.git] / source3 / rpc_server / srv_netlog_nt.c
blob972d902781d45b9c963255a5ade8007e2663d256
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 = NULL;
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 const char *computer_name = "<unknown>";
996
997 if (creds && creds->computer_name) {
998 computer_name = creds->computer_name;
999 }
1000
1001 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1002 "failed. Rejecting auth request from client %s machine account %s\n",
1003 r->in.computer_name, computer_name));
1004 TALLOC_FREE(creds);
1005 return status;
1006 }
1007
1008 memcpy(password_buf.data, r->in.new_password->data, 512);
1009 SIVAL(password_buf.data, 512, r->in.new_password->length);
1010 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1011
1012 if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1013 TALLOC_FREE(creds);
1014 return NT_STATUS_WRONG_PASSWORD;
1015 }
1016
1017 mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1018
1019 status = netr_find_machine_account(p->mem_ctx,
1020 creds->account_name,
1021 &sampass);
1022 TALLOC_FREE(creds);
1023 if (!NT_STATUS_IS_OK(status)) {
1024 return status;
1025 }
1026
1027 status = netr_set_machine_account_password(sampass,
1028 sampass,
1029 NULL,
1030 &nt_hash,
1031 NULL);
1032 TALLOC_FREE(sampass);
1033 return status;
1034 }
1035
1036 /*************************************************************************
1037 _netr_LogonSamLogoff
1038 *************************************************************************/
1039
1040 NTSTATUS _netr_LogonSamLogoff(pipes_struct *p,
1041 struct netr_LogonSamLogoff *r)
1042 {
1043 NTSTATUS status;
1044 struct netlogon_creds_CredentialState *creds;
1045
1046 become_root();
1047 status = netr_creds_server_step_check(p, p->mem_ctx,
1048 r->in.computer_name,
1049 r->in.credential,
1050 r->out.return_authenticator,
1051 &creds);
1052 unbecome_root();
1053
1054 return status;
1055 }
1056
1057 /*************************************************************************
1058 _netr_LogonSamLogon_base
1059 *************************************************************************/
1060
1061 static NTSTATUS _netr_LogonSamLogon_base(pipes_struct *p,
1062 struct netr_LogonSamLogonEx *r,
1063 struct netlogon_creds_CredentialState *creds)
1064 {
1065 NTSTATUS status = NT_STATUS_OK;
1066 union netr_LogonLevel *logon = r->in.logon;
1067 const char *nt_username, *nt_domain, *nt_workstation;
1068 auth_usersupplied_info *user_info = NULL;
1069 auth_serversupplied_info *server_info = NULL;
1070 struct auth_context *auth_context = NULL;
1071 uint8_t pipe_session_key[16];
1072 bool process_creds = true;
1073 const char *fn;
1074
1075 switch (p->hdr_req.opnum) {
1076 case NDR_NETR_LOGONSAMLOGON:
1077 process_creds = true;
1078 fn = "_netr_LogonSamLogon";
1079 break;
1080 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1081 process_creds = true;
1082 fn = "_netr_LogonSamLogonWithFlags";
1083 break;
1084 case NDR_NETR_LOGONSAMLOGONEX:
1085 process_creds = false;
1086 fn = "_netr_LogonSamLogonEx";
1087 break;
1088 default:
1089 return NT_STATUS_INTERNAL_ERROR;
1090 }
1091
1092 *r->out.authoritative = true; /* authoritative response */
1093
1094 switch (r->in.validation_level) {
1095 case 2:
1096 r->out.validation->sam2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo2);
1097 if (!r->out.validation->sam2) {
1098 return NT_STATUS_NO_MEMORY;
1099 }
1100 break;
1101 case 3:
1102 r->out.validation->sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
1103 if (!r->out.validation->sam3) {
1104 return NT_STATUS_NO_MEMORY;
1105 }
1106 break;
1107 case 6:
1108 r->out.validation->sam6 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo6);
1109 if (!r->out.validation->sam6) {
1110 return NT_STATUS_NO_MEMORY;
1111 }
1112 break;
1113 default:
1114 DEBUG(0,("%s: bad validation_level value %d.\n",
1115 fn, (int)r->in.validation_level));
1116 return NT_STATUS_INVALID_INFO_CLASS;
1117 }
1118
1119 switch (r->in.logon_level) {
1120 case NetlogonInteractiveInformation:
1121 case NetlogonServiceInformation:
1122 case NetlogonInteractiveTransitiveInformation:
1123 case NetlogonServiceTransitiveInformation:
1124 nt_username = logon->password->identity_info.account_name.string ?
1125 logon->password->identity_info.account_name.string : "";
1126 nt_domain = logon->password->identity_info.domain_name.string ?
1127 logon->password->identity_info.domain_name.string : "";
1128 nt_workstation = logon->password->identity_info.workstation.string ?
1129 logon->password->identity_info.workstation.string : "";
1130
1131 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1132 break;
1133 case NetlogonNetworkInformation:
1134 case NetlogonNetworkTransitiveInformation:
1135 nt_username = logon->network->identity_info.account_name.string ?
1136 logon->network->identity_info.account_name.string : "";
1137 nt_domain = logon->network->identity_info.domain_name.string ?
1138 logon->network->identity_info.domain_name.string : "";
1139 nt_workstation = logon->network->identity_info.workstation.string ?
1140 logon->network->identity_info.workstation.string : "";
1141
1142 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1143 break;
1144 default:
1145 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1146 return NT_STATUS_INVALID_INFO_CLASS;
1147 } /* end switch */
1148
1149 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1150 fstrcpy(current_user_info.smb_name, nt_username);
1151 sub_set_smb_name(nt_username);
1152
1153 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1154 r->in.validation_level, nt_username));
1155
1156 status = NT_STATUS_OK;
1157
1158 switch (r->in.logon_level) {
1159 case NetlogonNetworkInformation:
1160 case NetlogonNetworkTransitiveInformation:
1161 {
1162 const char *wksname = nt_workstation;
1163
1164 status = make_auth_context_fixed(&auth_context,
1165 logon->network->challenge);
1166 if (!NT_STATUS_IS_OK(status)) {
1167 return status;
1168 }
1169
1170 /* For a network logon, the workstation name comes in with two
1171 * backslashes in the front. Strip them if they are there. */
1172
1173 if (*wksname == '\\') wksname++;
1174 if (*wksname == '\\') wksname++;
1175
1176 /* Standard challenge/response authenticaion */
1177 if (!make_user_info_netlogon_network(&user_info,
1178 nt_username, nt_domain,
1179 wksname,
1180 logon->network->identity_info.parameter_control,
1181 logon->network->lm.data,
1182 logon->network->lm.length,
1183 logon->network->nt.data,
1184 logon->network->nt.length)) {
1185 status = NT_STATUS_NO_MEMORY;
1186 }
1187 break;
1188 }
1189 case NetlogonInteractiveInformation:
1190 case NetlogonServiceInformation:
1191 case NetlogonInteractiveTransitiveInformation:
1192 case NetlogonServiceTransitiveInformation:
1193
1194 /* 'Interactive' authentication, supplies the password in its
1195 MD4 form, encrypted with the session key. We will convert
1196 this to challenge/response for the auth subsystem to chew
1197 on */
1198 {
1199 uint8_t chal[8];
1200
1201 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
1202 return status;
1203 }
1204
1205 auth_context->get_ntlm_challenge(auth_context, chal);
1206
1207 if (!make_user_info_netlogon_interactive(&user_info,
1208 nt_username, nt_domain,
1209 nt_workstation,
1210 logon->password->identity_info.parameter_control,
1211 chal,
1212 logon->password->lmpassword.hash,
1213 logon->password->ntpassword.hash,
1214 creds->session_key)) {
1215 status = NT_STATUS_NO_MEMORY;
1216 }
1217 break;
1218 }
1219 default:
1220 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1221 return NT_STATUS_INVALID_INFO_CLASS;
1222 } /* end switch */
1223
1224 if ( NT_STATUS_IS_OK(status) ) {
1225 status = auth_context->check_ntlm_password(auth_context,
1226 user_info, &server_info);
1227 }
1228
1229 (auth_context->free)(&auth_context);
1230 free_user_info(&user_info);
1231
1232 DEBUG(5,("%s: check_password returned status %s\n",
1233 fn, nt_errstr(status)));
1234
1235 /* Check account and password */
1236
1237 if (!NT_STATUS_IS_OK(status)) {
1238 /* If we don't know what this domain is, we need to
1239 indicate that we are not authoritative. This
1240 allows the client to decide if it needs to try
1241 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
1242 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1243 && !strequal(nt_domain, get_global_sam_name())
1244 && !is_trusted_domain(nt_domain) )
1245 *r->out.authoritative = false; /* We are not authoritative */
1246
1247 TALLOC_FREE(server_info);
1248 return status;
1249 }
1250
1251 if (server_info->guest) {
1252 /* We don't like guest domain logons... */
1253 DEBUG(5,("%s: Attempted domain logon as GUEST "
1254 "denied.\n", fn));
1255 TALLOC_FREE(server_info);
1256 return NT_STATUS_LOGON_FAILURE;
1257 }
1258
1259 /* This is the point at which, if the login was successful, that
1260 the SAM Local Security Authority should record that the user is
1261 logged in to the domain. */
1262
1263 if (process_creds) {
1264 /* Get the pipe session key from the creds. */
1265 memcpy(pipe_session_key, creds->session_key, 16);
1266 } else {
1267 /* Get the pipe session key from the schannel. */
1268 if ((p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL)
1269 || (p->auth.a_u.schannel_auth == NULL)) {
1270 return NT_STATUS_INVALID_HANDLE;
1271 }
1272 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->creds->session_key, 16);
1273 }
1274
1275 switch (r->in.validation_level) {
1276 case 2:
1277 status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
1278 r->out.validation->sam2);
1279 break;
1280 case 3:
1281 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
1282 r->out.validation->sam3);
1283 break;
1284 case 6:
1285 status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
1286 r->out.validation->sam6);
1287 break;
1288 }
1289
1290 TALLOC_FREE(server_info);
1291
1292 return status;
1293 }
1294
1295 /****************************************************************
1296 _netr_LogonSamLogonWithFlags
1297 ****************************************************************/
1298
1299 NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p,
1300 struct netr_LogonSamLogonWithFlags *r)
1301 {
1302 NTSTATUS status;
1303 struct netlogon_creds_CredentialState *creds;
1304 struct netr_LogonSamLogonEx r2;
1305 struct netr_Authenticator return_authenticator;
1306
1307 become_root();
1308 status = netr_creds_server_step_check(p, p->mem_ctx,
1309 r->in.computer_name,
1310 r->in.credential,
1311 &return_authenticator,
1312 &creds);
1313 unbecome_root();
1314 if (!NT_STATUS_IS_OK(status)) {
1315 return status;
1316 }
1317
1318 r2.in.server_name = r->in.server_name;
1319 r2.in.computer_name = r->in.computer_name;
1320 r2.in.logon_level = r->in.logon_level;
1321 r2.in.logon = r->in.logon;
1322 r2.in.validation_level = r->in.validation_level;
1323 r2.in.flags = r->in.flags;
1324 r2.out.validation = r->out.validation;
1325 r2.out.authoritative = r->out.authoritative;
1326 r2.out.flags = r->out.flags;
1327
1328 status = _netr_LogonSamLogon_base(p, &r2, creds);
1329
1330 *r->out.return_authenticator = return_authenticator;
1331
1332 return status;
1333 }
1334
1335 /*************************************************************************
1336 _netr_LogonSamLogon
1337 *************************************************************************/
1338
1339 NTSTATUS _netr_LogonSamLogon(pipes_struct *p,
1340 struct netr_LogonSamLogon *r)
1341 {
1342 NTSTATUS status;
1343 struct netr_LogonSamLogonWithFlags r2;
1344 uint32_t flags = 0;
1345
1346 r2.in.server_name = r->in.server_name;
1347 r2.in.computer_name = r->in.computer_name;
1348 r2.in.credential = r->in.credential;
1349 r2.in.logon_level = r->in.logon_level;
1350 r2.in.logon = r->in.logon;
1351 r2.in.validation_level = r->in.validation_level;
1352 r2.in.return_authenticator = r->in.return_authenticator;
1353 r2.in.flags = &flags;
1354 r2.out.validation = r->out.validation;
1355 r2.out.authoritative = r->out.authoritative;
1356 r2.out.flags = &flags;
1357 r2.out.return_authenticator = r->out.return_authenticator;
1358
1359 status = _netr_LogonSamLogonWithFlags(p, &r2);
1360
1361 return status;
1362 }
1363
1364 /*************************************************************************
1365 _netr_LogonSamLogonEx
1366 - no credential chaining. Map into net sam logon.
1367 *************************************************************************/
1368
1369 NTSTATUS _netr_LogonSamLogonEx(pipes_struct *p,
1370 struct netr_LogonSamLogonEx *r)
1371 {
1372 NTSTATUS status;
1373 struct netlogon_creds_CredentialState *creds = NULL;
1374
1375 become_root();
1376 status = schannel_fetch_session_key(p->mem_ctx, r->in.computer_name, &creds);
1377 unbecome_root();
1378 if (!NT_STATUS_IS_OK(status)) {
1379 return status;
1380 }
1381
1382 /* Only allow this if the pipe is protected. */
1383 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1384 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1385 get_remote_machine_name() ));
1386 return NT_STATUS_INVALID_PARAMETER;
1387 }
1388
1389 status = _netr_LogonSamLogon_base(p, r, creds);
1390 TALLOC_FREE(creds);
1391
1392 return status;
1393 }
1394
1395 /*************************************************************************
1396 _ds_enum_dom_trusts
1397 *************************************************************************/
1398 #if 0 /* JERRY -- not correct */
1399 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1400 DS_R_ENUM_DOM_TRUSTS *r_u)
1401 {
1402 NTSTATUS status = NT_STATUS_OK;
1403
1404 /* TODO: According to MSDN, the can only be executed against a
1405 DC or domain member running Windows 2000 or later. Need
1406 to test against a standalone 2k server and see what it
1407 does. A windows 2000 DC includes its own domain in the
1408 list. --jerry */
1409
1410 return status;
1411 }
1412 #endif /* JERRY */
1413
1414
1415 /****************************************************************
1416 ****************************************************************/
1417
1418 WERROR _netr_LogonUasLogon(pipes_struct *p,
1419 struct netr_LogonUasLogon *r)
1420 {
1421 p->rng_fault_state = true;
1422 return WERR_NOT_SUPPORTED;
1423 }
1424
1425 /****************************************************************
1426 ****************************************************************/
1427
1428 WERROR _netr_LogonUasLogoff(pipes_struct *p,
1429 struct netr_LogonUasLogoff *r)
1430 {
1431 p->rng_fault_state = true;
1432 return WERR_NOT_SUPPORTED;
1433 }
1434
1435 /****************************************************************
1436 ****************************************************************/
1437
1438 NTSTATUS _netr_DatabaseDeltas(pipes_struct *p,
1439 struct netr_DatabaseDeltas *r)
1440 {
1441 p->rng_fault_state = true;
1442 return NT_STATUS_NOT_IMPLEMENTED;
1443 }
1444
1445 /****************************************************************
1446 ****************************************************************/
1447
1448 NTSTATUS _netr_DatabaseSync(pipes_struct *p,
1449 struct netr_DatabaseSync *r)
1450 {
1451 p->rng_fault_state = true;
1452 return NT_STATUS_NOT_IMPLEMENTED;
1453 }
1454
1455 /****************************************************************
1456 ****************************************************************/
1457
1458 NTSTATUS _netr_AccountDeltas(pipes_struct *p,
1459 struct netr_AccountDeltas *r)
1460 {
1461 p->rng_fault_state = true;
1462 return NT_STATUS_NOT_IMPLEMENTED;
1463 }
1464
1465 /****************************************************************
1466 ****************************************************************/
1467
1468 NTSTATUS _netr_AccountSync(pipes_struct *p,
1469 struct netr_AccountSync *r)
1470 {
1471 p->rng_fault_state = true;
1472 return NT_STATUS_NOT_IMPLEMENTED;
1473 }
1474
1475 /****************************************************************
1476 ****************************************************************/
1477
1478 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1479 const char *domain,
1480 const char **dcname,
1481 uint32_t flags,
1482 WERROR *werr)
1483 {
1484 wbcErr result;
1485 struct wbcDomainControllerInfo *dc_info = NULL;
1486
1487 result = wbcLookupDomainController(domain,
1488 flags,
1489 &dc_info);
1490 switch (result) {
1491 case WBC_ERR_SUCCESS:
1492 break;
1493 case WBC_ERR_WINBIND_NOT_AVAILABLE:
1494 return false;
1495 case WBC_ERR_DOMAIN_NOT_FOUND:
1496 *werr = WERR_NO_SUCH_DOMAIN;
1497 return true;
1498 default:
1499 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1500 return true;
1501 }
1502
1503 *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1504 wbcFreeMemory(dc_info);
1505 if (!*dcname) {
1506 *werr = WERR_NOMEM;
1507 return false;
1508 }
1509
1510 *werr = WERR_OK;
1511
1512 return true;
1513 }
1514
1515 /****************************************************************
1516 _netr_GetDcName
1517 ****************************************************************/
1518
1519 WERROR _netr_GetDcName(pipes_struct *p,
1520 struct netr_GetDcName *r)
1521 {
1522 NTSTATUS status;
1523 WERROR werr;
1524 uint32_t flags;
1525 struct netr_DsRGetDCNameInfo *info;
1526 bool ret;
1527
1528 ret = wb_getdcname(p->mem_ctx,
1529 r->in.domainname,
1530 r->out.dcname,
1531 WBC_LOOKUP_DC_IS_FLAT_NAME |
1532 WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1533 WBC_LOOKUP_DC_PDC_REQUIRED,
1534 &werr);
1535 if (ret == true) {
1536 return werr;
1537 }
1538
1539 flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1540
1541 status = dsgetdcname(p->mem_ctx,
1542 smbd_messaging_context(),
1543 r->in.domainname,
1544 NULL,
1545 NULL,
1546 flags,
1547 &info);
1548 if (!NT_STATUS_IS_OK(status)) {
1549 return ntstatus_to_werror(status);
1550 }
1551
1552 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1553 talloc_free(info);
1554 if (!*r->out.dcname) {
1555 return WERR_NOMEM;
1556 }
1557
1558 return WERR_OK;
1559 }
1560
1561 /****************************************************************
1562 _netr_GetAnyDCName
1563 ****************************************************************/
1564
1565 WERROR _netr_GetAnyDCName(pipes_struct *p,
1566 struct netr_GetAnyDCName *r)
1567 {
1568 NTSTATUS status;
1569 WERROR werr;
1570 uint32_t flags;
1571 struct netr_DsRGetDCNameInfo *info;
1572 bool ret;
1573
1574 ret = wb_getdcname(p->mem_ctx,
1575 r->in.domainname,
1576 r->out.dcname,
1577 WBC_LOOKUP_DC_IS_FLAT_NAME |
1578 WBC_LOOKUP_DC_RETURN_FLAT_NAME,
1579 &werr);
1580 if (ret == true) {
1581 return werr;
1582 }
1583
1584 flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1585
1586 status = dsgetdcname(p->mem_ctx,
1587 smbd_messaging_context(),
1588 r->in.domainname,
1589 NULL,
1590 NULL,
1591 flags,
1592 &info);
1593 if (!NT_STATUS_IS_OK(status)) {
1594 return ntstatus_to_werror(status);
1595 }
1596
1597 *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
1598 talloc_free(info);
1599 if (!*r->out.dcname) {
1600 return WERR_NOMEM;
1601 }
1602
1603 return WERR_OK;
1604 }
1605
1606 /****************************************************************
1607 ****************************************************************/
1608
1609 NTSTATUS _netr_DatabaseSync2(pipes_struct *p,
1610 struct netr_DatabaseSync2 *r)
1611 {
1612 p->rng_fault_state = true;
1613 return NT_STATUS_NOT_IMPLEMENTED;
1614 }
1615
1616 /****************************************************************
1617 ****************************************************************/
1618
1619 NTSTATUS _netr_DatabaseRedo(pipes_struct *p,
1620 struct netr_DatabaseRedo *r)
1621 {
1622 p->rng_fault_state = true;
1623 return NT_STATUS_NOT_IMPLEMENTED;
1624 }
1625
1626 /****************************************************************
1627 ****************************************************************/
1628
1629 WERROR _netr_DsRGetDCName(pipes_struct *p,
1630 struct netr_DsRGetDCName *r)
1631 {
1632 p->rng_fault_state = true;
1633 return WERR_NOT_SUPPORTED;
1634 }
1635
1636 /****************************************************************
1637 ****************************************************************/
1638
1639 NTSTATUS _netr_LogonGetCapabilities(pipes_struct *p,
1640 struct netr_LogonGetCapabilities *r)
1641 {
1642 return NT_STATUS_NOT_IMPLEMENTED;
1643 }
1644
1645 /****************************************************************
1646 ****************************************************************/
1647
1648 WERROR _netr_NETRLOGONSETSERVICEBITS(pipes_struct *p,
1649 struct netr_NETRLOGONSETSERVICEBITS *r)
1650 {
1651 p->rng_fault_state = true;
1652 return WERR_NOT_SUPPORTED;
1653 }
1654
1655 /****************************************************************
1656 ****************************************************************/
1657
1658 WERROR _netr_LogonGetTrustRid(pipes_struct *p,
1659 struct netr_LogonGetTrustRid *r)
1660 {
1661 p->rng_fault_state = true;
1662 return WERR_NOT_SUPPORTED;
1663 }
1664
1665 /****************************************************************
1666 ****************************************************************/
1667
1668 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(pipes_struct *p,
1669 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
1670 {
1671 p->rng_fault_state = true;
1672 return WERR_NOT_SUPPORTED;
1673 }
1674
1675 /****************************************************************
1676 ****************************************************************/
1677
1678 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(pipes_struct *p,
1679 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
1680 {
1681 p->rng_fault_state = true;
1682 return WERR_NOT_SUPPORTED;
1683 }
1684
1685 /****************************************************************
1686 ****************************************************************/
1687
1688 WERROR _netr_DsRGetDCNameEx(pipes_struct *p,
1689 struct netr_DsRGetDCNameEx *r)
1690 {
1691 p->rng_fault_state = true;
1692 return WERR_NOT_SUPPORTED;
1693 }
1694
1695 /****************************************************************
1696 ****************************************************************/
1697
1698 WERROR _netr_DsRGetSiteName(pipes_struct *p,
1699 struct netr_DsRGetSiteName *r)
1700 {
1701 p->rng_fault_state = true;
1702 return WERR_NOT_SUPPORTED;
1703 }
1704
1705 /****************************************************************
1706 ****************************************************************/
1707
1708 NTSTATUS _netr_LogonGetDomainInfo(pipes_struct *p,
1709 struct netr_LogonGetDomainInfo *r)
1710 {
1711 p->rng_fault_state = true;
1712 return NT_STATUS_NOT_IMPLEMENTED;
1713 }
1714
1715 /****************************************************************
1716 ****************************************************************/
1717
1718 WERROR _netr_ServerPasswordGet(pipes_struct *p,
1719 struct netr_ServerPasswordGet *r)
1720 {
1721 p->rng_fault_state = true;
1722 return WERR_NOT_SUPPORTED;
1723 }
1724
1725 /****************************************************************
1726 ****************************************************************/
1727
1728 WERROR _netr_NETRLOGONSENDTOSAM(pipes_struct *p,
1729 struct netr_NETRLOGONSENDTOSAM *r)
1730 {
1731 p->rng_fault_state = true;
1732 return WERR_NOT_SUPPORTED;
1733 }
1734
1735 /****************************************************************
1736 ****************************************************************/
1737
1738 WERROR _netr_DsRAddressToSitenamesW(pipes_struct *p,
1739 struct netr_DsRAddressToSitenamesW *r)
1740 {
1741 p->rng_fault_state = true;
1742 return WERR_NOT_SUPPORTED;
1743 }
1744
1745 /****************************************************************
1746 ****************************************************************/
1747
1748 WERROR _netr_DsRGetDCNameEx2(pipes_struct *p,
1749 struct netr_DsRGetDCNameEx2 *r)
1750 {
1751 p->rng_fault_state = true;
1752 return WERR_NOT_SUPPORTED;
1753 }
1754
1755 /****************************************************************
1756 ****************************************************************/
1757
1758 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(pipes_struct *p,
1759 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1760 {
1761 p->rng_fault_state = true;
1762 return WERR_NOT_SUPPORTED;
1763 }
1764
1765 /****************************************************************
1766 ****************************************************************/
1767
1768 WERROR _netr_NetrEnumerateTrustedDomainsEx(pipes_struct *p,
1769 struct netr_NetrEnumerateTrustedDomainsEx *r)
1770 {
1771 p->rng_fault_state = true;
1772 return WERR_NOT_SUPPORTED;
1773 }
1774
1775 /****************************************************************
1776 ****************************************************************/
1777
1778 WERROR _netr_DsRAddressToSitenamesExW(pipes_struct *p,
1779 struct netr_DsRAddressToSitenamesExW *r)
1780 {
1781 p->rng_fault_state = true;
1782 return WERR_NOT_SUPPORTED;
1783 }
1784
1785 /****************************************************************
1786 ****************************************************************/
1787
1788 WERROR _netr_DsrGetDcSiteCoverageW(pipes_struct *p,
1789 struct netr_DsrGetDcSiteCoverageW *r)
1790 {
1791 p->rng_fault_state = true;
1792 return WERR_NOT_SUPPORTED;
1793 }
1794
1795 /****************************************************************
1796 ****************************************************************/
1797
1798 WERROR _netr_DsrEnumerateDomainTrusts(pipes_struct *p,
1799 struct netr_DsrEnumerateDomainTrusts *r)
1800 {
1801 p->rng_fault_state = true;
1802 return WERR_NOT_SUPPORTED;
1803 }
1804
1805 /****************************************************************
1806 ****************************************************************/
1807
1808 WERROR _netr_DsrDeregisterDNSHostRecords(pipes_struct *p,
1809 struct netr_DsrDeregisterDNSHostRecords *r)
1810 {
1811 p->rng_fault_state = true;
1812 return WERR_NOT_SUPPORTED;
1813 }
1814
1815 /****************************************************************
1816 ****************************************************************/
1817
1818 NTSTATUS _netr_ServerTrustPasswordsGet(pipes_struct *p,
1819 struct netr_ServerTrustPasswordsGet *r)
1820 {
1821 p->rng_fault_state = true;
1822 return NT_STATUS_NOT_IMPLEMENTED;
1823 }
1824
1825 /****************************************************************
1826 ****************************************************************/
1827
1828 WERROR _netr_DsRGetForestTrustInformation(pipes_struct *p,
1829 struct netr_DsRGetForestTrustInformation *r)
1830 {
1831 p->rng_fault_state = true;
1832 return WERR_NOT_SUPPORTED;
1833 }
1834
1835 /****************************************************************
1836 ****************************************************************/
1837
1838 WERROR _netr_GetForestTrustInformation(pipes_struct *p,
1839 struct netr_GetForestTrustInformation *r)
1840 {
1841 p->rng_fault_state = true;
1842 return WERR_NOT_SUPPORTED;
1843 }
1844
1845 /****************************************************************
1846 ****************************************************************/
1847
1848 NTSTATUS _netr_ServerGetTrustInfo(pipes_struct *p,
1849 struct netr_ServerGetTrustInfo *r)
1850 {
1851 p->rng_fault_state = true;
1852 return NT_STATUS_NOT_IMPLEMENTED;
1853 }
1854
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