Line data Source code
1 : /*
2 : * Unix SMB/CIFS implementation.
3 : * RPC Pipe client / server routines
4 : * Copyright (C) Andrew Tridgell 1992-1997,
5 : * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
6 : * Copyright (C) Paul Ashton 1997.
7 : * Copyright (C) Jeremy Allison 1998-2001.
8 : * Copyright (C) Andrew Bartlett 2001.
9 : * Copyright (C) Guenther Deschner 2008-2009.
10 : *
11 : * This program is free software; you can redistribute it and/or modify
12 : * it under the terms of the GNU General Public License as published by
13 : * the Free Software Foundation; either version 3 of the License, or
14 : * (at your option) any later version.
15 : *
16 : * This program is distributed in the hope that it will be useful,
17 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 : * GNU General Public License for more details.
20 : *
21 : * You should have received a copy of the GNU General Public License
22 : * along with this program; if not, see <http://www.gnu.org/licenses/>.
23 : */
24 :
25 : /* This is the implementation of the netlogon pipe. */
26 :
27 : #include "includes.h"
28 : #include "system/passwd.h" /* uid_wrapper */
29 : #include "ntdomain.h"
30 : #include "../libcli/auth/schannel.h"
31 : #include "librpc/gen_ndr/ndr_netlogon.h"
32 : #include "librpc/gen_ndr/ndr_netlogon_scompat.h"
33 : #include "librpc/gen_ndr/ndr_samr_c.h"
34 : #include "librpc/gen_ndr/ndr_lsa_c.h"
35 : #include "rpc_client/cli_lsarpc.h"
36 : #include "rpc_client/init_lsa.h"
37 : #include "rpc_client/init_samr.h"
38 : #include "rpc_server/rpc_ncacn_np.h"
39 : #include "../libcli/security/security.h"
40 : #include "../libcli/security/dom_sid.h"
41 : #include "librpc/gen_ndr/ndr_drsblobs.h"
42 : #include "lib/crypto/md4.h"
43 : #include "nsswitch/libwbclient/wbclient.h"
44 : #include "../libcli/registry/util_reg.h"
45 : #include "passdb.h"
46 : #include "auth.h"
47 : #include "messages.h"
48 : #include "../lib/tsocket/tsocket.h"
49 : #include "lib/param/param.h"
50 : #include "libsmb/dsgetdcname.h"
51 : #include "lib/util/util_str_escape.h"
52 :
53 : extern userdom_struct current_user_info;
54 :
55 : #undef DBGC_CLASS
56 : #define DBGC_CLASS DBGC_RPC_SRV
57 :
58 : struct netlogon_server_pipe_state {
59 : struct netr_Credential client_challenge;
60 : struct netr_Credential server_challenge;
61 : };
62 :
63 : /*************************************************************************
64 : _netr_LogonControl
65 : *************************************************************************/
66 :
67 260 : WERROR _netr_LogonControl(struct pipes_struct *p,
68 : struct netr_LogonControl *r)
69 : {
70 : struct netr_LogonControl2Ex l;
71 :
72 260 : switch (r->in.level) {
73 64 : case 1:
74 64 : break;
75 64 : case 2:
76 64 : return WERR_NOT_SUPPORTED;
77 132 : default:
78 132 : return WERR_INVALID_LEVEL;
79 : }
80 :
81 64 : switch (r->in.function_code) {
82 28 : case NETLOGON_CONTROL_QUERY:
83 : case NETLOGON_CONTROL_REPLICATE:
84 : case NETLOGON_CONTROL_SYNCHRONIZE:
85 : case NETLOGON_CONTROL_PDC_REPLICATE:
86 : case NETLOGON_CONTROL_BREAKPOINT:
87 : case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
88 : case NETLOGON_CONTROL_TRUNCATE_LOG:
89 28 : break;
90 36 : default:
91 36 : return WERR_NOT_SUPPORTED;
92 : }
93 :
94 28 : l.in.logon_server = r->in.logon_server;
95 28 : l.in.function_code = r->in.function_code;
96 28 : l.in.level = r->in.level;
97 28 : l.in.data = NULL;
98 28 : l.out.query = r->out.query;
99 :
100 28 : return _netr_LogonControl2Ex(p, &l);
101 : }
102 :
103 : /*************************************************************************
104 : _netr_LogonControl2
105 : *************************************************************************/
106 :
107 56 : WERROR _netr_LogonControl2(struct pipes_struct *p,
108 : struct netr_LogonControl2 *r)
109 : {
110 : struct netr_LogonControl2Ex l;
111 :
112 56 : l.in.logon_server = r->in.logon_server;
113 56 : l.in.function_code = r->in.function_code;
114 56 : l.in.level = r->in.level;
115 56 : l.in.data = r->in.data;
116 56 : l.out.query = r->out.query;
117 :
118 56 : return _netr_LogonControl2Ex(p, &l);
119 : }
120 :
121 : /*************************************************************************
122 : *************************************************************************/
123 :
124 0 : static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
125 : {
126 : wbcErr result;
127 0 : struct wbcAuthErrorInfo *error = NULL;
128 :
129 0 : result = wbcChangeTrustCredentials(domain, &error);
130 0 : switch (result) {
131 0 : case WBC_ERR_WINBIND_NOT_AVAILABLE:
132 0 : return false;
133 0 : case WBC_ERR_DOMAIN_NOT_FOUND:
134 0 : *tc_status = WERR_NO_SUCH_DOMAIN;
135 0 : return true;
136 0 : case WBC_ERR_SUCCESS:
137 0 : *tc_status = WERR_OK;
138 0 : return true;
139 0 : default:
140 0 : break;
141 : }
142 :
143 0 : if (error && error->nt_status != 0) {
144 0 : *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
145 : } else {
146 0 : *tc_status = WERR_TRUST_FAILURE;
147 : }
148 0 : wbcFreeMemory(error);
149 0 : return true;
150 : }
151 :
152 : /*************************************************************************
153 : *************************************************************************/
154 :
155 0 : static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
156 : {
157 : wbcErr result;
158 0 : struct wbcAuthErrorInfo *error = NULL;
159 :
160 0 : result = wbcCheckTrustCredentials(domain, &error);
161 0 : switch (result) {
162 0 : case WBC_ERR_WINBIND_NOT_AVAILABLE:
163 0 : return false;
164 0 : case WBC_ERR_DOMAIN_NOT_FOUND:
165 0 : *tc_status = WERR_NO_SUCH_DOMAIN;
166 0 : return true;
167 0 : case WBC_ERR_SUCCESS:
168 0 : *tc_status = WERR_OK;
169 0 : return true;
170 0 : default:
171 0 : break;
172 : }
173 :
174 0 : if (error && error->nt_status != 0) {
175 0 : *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
176 : } else {
177 0 : *tc_status = WERR_TRUST_FAILURE;
178 : }
179 0 : wbcFreeMemory(error);
180 0 : return true;
181 : }
182 :
183 : /****************************************************************
184 : _netr_LogonControl2Ex
185 : ****************************************************************/
186 :
187 140 : WERROR _netr_LogonControl2Ex(struct pipes_struct *p,
188 : struct netr_LogonControl2Ex *r)
189 : {
190 140 : uint32_t flags = 0x0;
191 140 : WERROR pdc_connection_status = WERR_OK;
192 140 : uint32_t logon_attempts = 0x0;
193 : WERROR tc_status;
194 : fstring dc_name2;
195 140 : const char *dc_name = NULL;
196 : struct sockaddr_storage dc_ss;
197 140 : const char *domain = NULL;
198 : struct netr_NETLOGON_INFO_1 *info1;
199 : struct netr_NETLOGON_INFO_2 *info2;
200 : struct netr_NETLOGON_INFO_3 *info3;
201 : struct netr_NETLOGON_INFO_4 *info4;
202 : const char *fn;
203 : NTSTATUS status;
204 : struct netr_DsRGetDCNameInfo *dc_info;
205 :
206 140 : switch (p->opnum) {
207 28 : case NDR_NETR_LOGONCONTROL:
208 28 : fn = "_netr_LogonControl";
209 28 : break;
210 56 : case NDR_NETR_LOGONCONTROL2:
211 56 : fn = "_netr_LogonControl2";
212 56 : break;
213 56 : case NDR_NETR_LOGONCONTROL2EX:
214 56 : fn = "_netr_LogonControl2Ex";
215 56 : break;
216 0 : default:
217 0 : return WERR_INVALID_PARAMETER;
218 : }
219 :
220 140 : switch (r->in.level) {
221 132 : case 1:
222 : case 2:
223 : case 3:
224 : case 4:
225 132 : break;
226 8 : default:
227 8 : return WERR_INVALID_LEVEL;
228 : }
229 :
230 132 : switch (r->in.function_code) {
231 4 : case NETLOGON_CONTROL_QUERY:
232 4 : break;
233 128 : default:
234 192 : if ((geteuid() != sec_initial_uid()) &&
235 128 : !nt_token_check_domain_rid(p->session_info->security_token, DOMAIN_RID_ADMINS) &&
236 64 : !nt_token_check_sid(&global_sid_Builtin_Administrators, p->session_info->security_token))
237 : {
238 64 : return WERR_ACCESS_DENIED;
239 : }
240 64 : break;
241 : }
242 :
243 68 : tc_status = WERR_NO_SUCH_DOMAIN;
244 :
245 68 : switch (r->in.function_code) {
246 4 : case NETLOGON_CONTROL_QUERY:
247 4 : switch (r->in.level) {
248 4 : case 1:
249 : case 3:
250 4 : break;
251 0 : default:
252 0 : return WERR_INVALID_PARAMETER;
253 : }
254 :
255 4 : tc_status = WERR_OK;
256 4 : break;
257 24 : case NETLOGON_CONTROL_REPLICATE:
258 : case NETLOGON_CONTROL_SYNCHRONIZE:
259 : case NETLOGON_CONTROL_PDC_REPLICATE:
260 : case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
261 : case NETLOGON_CONTROL_BREAKPOINT:
262 : case NETLOGON_CONTROL_TRUNCATE_LOG:
263 : case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
264 : case NETLOGON_CONTROL_FORCE_DNS_REG:
265 : case NETLOGON_CONTROL_QUERY_DNS_REG:
266 24 : return WERR_NOT_SUPPORTED;
267 :
268 0 : case NETLOGON_CONTROL_FIND_USER:
269 0 : if (!r->in.data || !r->in.data->user) {
270 0 : return WERR_NOT_SUPPORTED;
271 : }
272 0 : break;
273 12 : case NETLOGON_CONTROL_SET_DBFLAG:
274 12 : if (!r->in.data) {
275 0 : return WERR_NOT_SUPPORTED;
276 : }
277 12 : break;
278 0 : case NETLOGON_CONTROL_TC_VERIFY:
279 0 : if (!r->in.data || !r->in.data->domain) {
280 0 : return WERR_NOT_SUPPORTED;
281 : }
282 :
283 0 : if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
284 0 : return WERR_NOT_SUPPORTED;
285 : }
286 0 : break;
287 12 : case NETLOGON_CONTROL_TC_QUERY:
288 12 : if (!r->in.data || !r->in.data->domain) {
289 0 : return WERR_NOT_SUPPORTED;
290 : }
291 :
292 12 : domain = r->in.data->domain;
293 :
294 12 : if (!is_trusted_domain(domain)) {
295 12 : break;
296 : }
297 :
298 0 : if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
299 0 : tc_status = WERR_NO_LOGON_SERVERS;
300 0 : break;
301 : }
302 :
303 0 : dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
304 0 : if (!dc_name) {
305 0 : return WERR_NOT_ENOUGH_MEMORY;
306 : }
307 :
308 0 : tc_status = WERR_OK;
309 :
310 0 : break;
311 :
312 12 : case NETLOGON_CONTROL_REDISCOVER:
313 12 : if (!r->in.data || !r->in.data->domain) {
314 0 : return WERR_NOT_SUPPORTED;
315 : }
316 :
317 12 : domain = r->in.data->domain;
318 :
319 12 : if (!is_trusted_domain(domain)) {
320 12 : break;
321 : }
322 :
323 0 : status = dsgetdcname(p->mem_ctx, p->msg_ctx, domain, NULL, NULL,
324 : DS_FORCE_REDISCOVERY | DS_RETURN_FLAT_NAME,
325 : &dc_info);
326 0 : if (!NT_STATUS_IS_OK(status)) {
327 0 : tc_status = WERR_NO_LOGON_SERVERS;
328 0 : break;
329 : }
330 :
331 0 : dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_info->dc_unc);
332 0 : if (!dc_name) {
333 0 : return WERR_NOT_ENOUGH_MEMORY;
334 : }
335 :
336 0 : tc_status = WERR_OK;
337 :
338 0 : break;
339 :
340 0 : case NETLOGON_CONTROL_CHANGE_PASSWORD:
341 0 : if (!r->in.data || !r->in.data->domain) {
342 0 : return WERR_NOT_SUPPORTED;
343 : }
344 :
345 0 : if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
346 0 : return WERR_NOT_SUPPORTED;
347 : }
348 0 : break;
349 :
350 4 : default:
351 : /* no idea what this should be */
352 4 : DEBUG(0,("%s: unimplemented function level [%d]\n",
353 : fn, r->in.function_code));
354 4 : return WERR_NOT_SUPPORTED;
355 : }
356 :
357 : /* prepare the response */
358 :
359 40 : switch (r->in.level) {
360 16 : case 1:
361 16 : info1 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_1);
362 16 : W_ERROR_HAVE_NO_MEMORY(info1);
363 :
364 16 : info1->flags = flags;
365 16 : info1->pdc_connection_status = pdc_connection_status;
366 :
367 16 : r->out.query->info1 = info1;
368 16 : break;
369 12 : case 2:
370 12 : info2 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_2);
371 12 : W_ERROR_HAVE_NO_MEMORY(info2);
372 :
373 12 : info2->flags = flags;
374 12 : info2->pdc_connection_status = pdc_connection_status;
375 12 : info2->trusted_dc_name = dc_name;
376 12 : info2->tc_connection_status = tc_status;
377 :
378 12 : r->out.query->info2 = info2;
379 12 : break;
380 12 : case 3:
381 12 : info3 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_3);
382 12 : W_ERROR_HAVE_NO_MEMORY(info3);
383 :
384 12 : info3->flags = flags;
385 12 : info3->logon_attempts = logon_attempts;
386 :
387 12 : r->out.query->info3 = info3;
388 12 : break;
389 0 : case 4:
390 0 : info4 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_4);
391 0 : W_ERROR_HAVE_NO_MEMORY(info4);
392 :
393 0 : info4->trusted_dc_name = dc_name;
394 0 : info4->trusted_domain_name = r->in.data->domain;
395 :
396 0 : r->out.query->info4 = info4;
397 0 : break;
398 0 : default:
399 0 : return WERR_INVALID_LEVEL;
400 : }
401 :
402 40 : return WERR_OK;
403 : }
404 :
405 : /*************************************************************************
406 : _netr_NetrEnumerateTrustedDomains
407 : *************************************************************************/
408 :
409 0 : NTSTATUS _netr_NetrEnumerateTrustedDomains(struct pipes_struct *p,
410 : struct netr_NetrEnumerateTrustedDomains *r)
411 : {
412 : NTSTATUS status;
413 0 : NTSTATUS result = NT_STATUS_OK;
414 : DATA_BLOB blob;
415 0 : size_t num_domains = 0;
416 0 : const char **trusted_domains = NULL;
417 : struct lsa_DomainList domain_list;
418 0 : struct dcerpc_binding_handle *h = NULL;
419 : struct policy_handle pol;
420 0 : uint32_t enum_ctx = 0;
421 0 : uint32_t max_size = (uint32_t)-1;
422 :
423 0 : ZERO_STRUCT(pol);
424 0 : DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
425 :
426 0 : status = rpcint_binding_handle(p->mem_ctx,
427 : &ndr_table_lsarpc,
428 : p->remote_address,
429 : p->local_address,
430 0 : p->session_info,
431 : p->msg_ctx,
432 : &h);
433 0 : if (!NT_STATUS_IS_OK(status)) {
434 0 : return status;
435 : }
436 :
437 0 : status = dcerpc_lsa_open_policy2(h,
438 : p->mem_ctx,
439 : NULL,
440 : true,
441 : LSA_POLICY_VIEW_LOCAL_INFORMATION,
442 : &pol,
443 : &result);
444 0 : if (any_nt_status_not_ok(status, result, &status)) {
445 0 : goto out;
446 : }
447 :
448 : do {
449 : uint32_t i;
450 :
451 : /* Lookup list of trusted domains */
452 0 : status = dcerpc_lsa_EnumTrustDom(h,
453 : p->mem_ctx,
454 : &pol,
455 : &enum_ctx,
456 : &domain_list,
457 : max_size,
458 : &result);
459 0 : if (!NT_STATUS_IS_OK(status)) {
460 0 : goto out;
461 : }
462 0 : if (!NT_STATUS_IS_OK(result) &&
463 0 : !NT_STATUS_EQUAL(result, NT_STATUS_NO_MORE_ENTRIES) &&
464 0 : !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
465 0 : status = result;
466 0 : goto out;
467 : }
468 :
469 0 : for (i = 0; i < domain_list.count; i++) {
470 0 : if (!add_string_to_array(p->mem_ctx, domain_list.domains[i].name.string,
471 : &trusted_domains, &num_domains)) {
472 0 : status = NT_STATUS_NO_MEMORY;
473 0 : goto out;
474 : }
475 : }
476 0 : } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
477 :
478 0 : if (num_domains > 0) {
479 : /* multi sz terminate */
480 0 : trusted_domains = talloc_realloc(p->mem_ctx, trusted_domains, const char *, num_domains + 1);
481 0 : if (trusted_domains == NULL) {
482 0 : status = NT_STATUS_NO_MEMORY;
483 0 : goto out;
484 : }
485 :
486 0 : trusted_domains[num_domains] = NULL;
487 : }
488 :
489 0 : if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
490 0 : TALLOC_FREE(trusted_domains);
491 0 : status = NT_STATUS_NO_MEMORY;
492 0 : goto out;
493 : }
494 :
495 0 : r->out.trusted_domains_blob->data = blob.data;
496 0 : r->out.trusted_domains_blob->length = blob.length;
497 :
498 0 : DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
499 :
500 0 : status = NT_STATUS_OK;
501 :
502 0 : out:
503 0 : if (is_valid_policy_hnd(&pol)) {
504 0 : dcerpc_lsa_Close(h, p->mem_ctx, &pol, &result);
505 : }
506 :
507 0 : return status;
508 : }
509 :
510 : /*************************************************************************
511 : *************************************************************************/
512 :
513 50 : static NTSTATUS samr_find_machine_account(TALLOC_CTX *mem_ctx,
514 : struct dcerpc_binding_handle *b,
515 : const char *account_name,
516 : uint32_t access_mask,
517 : struct dom_sid2 **domain_sid_p,
518 : uint32_t *user_rid_p,
519 : struct policy_handle *user_handle)
520 : {
521 : NTSTATUS status;
522 50 : NTSTATUS result = NT_STATUS_OK;
523 : struct policy_handle connect_handle;
524 50 : struct policy_handle domain_handle = { 0, };
525 : struct lsa_String domain_name;
526 : struct dom_sid2 *domain_sid;
527 : struct lsa_String names;
528 : struct samr_Ids rids;
529 : struct samr_Ids types;
530 : uint32_t rid;
531 :
532 50 : status = dcerpc_samr_Connect2(b, mem_ctx,
533 : lp_netbios_name(),
534 : SAMR_ACCESS_CONNECT_TO_SERVER |
535 : SAMR_ACCESS_ENUM_DOMAINS |
536 : SAMR_ACCESS_LOOKUP_DOMAIN,
537 : &connect_handle,
538 : &result);
539 50 : if (any_nt_status_not_ok(status, result, &status)) {
540 0 : goto out;
541 : }
542 :
543 50 : init_lsa_String(&domain_name, get_global_sam_name());
544 :
545 50 : status = dcerpc_samr_LookupDomain(b, mem_ctx,
546 : &connect_handle,
547 : &domain_name,
548 : &domain_sid,
549 : &result);
550 50 : if (any_nt_status_not_ok(status, result, &status)) {
551 0 : goto out;
552 : }
553 :
554 50 : status = dcerpc_samr_OpenDomain(b, mem_ctx,
555 : &connect_handle,
556 : SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
557 : domain_sid,
558 : &domain_handle,
559 : &result);
560 50 : if (any_nt_status_not_ok(status, result, &status)) {
561 0 : goto out;
562 : }
563 :
564 50 : init_lsa_String(&names, account_name);
565 :
566 50 : status = dcerpc_samr_LookupNames(b, mem_ctx,
567 : &domain_handle,
568 : 1,
569 : &names,
570 : &rids,
571 : &types,
572 : &result);
573 50 : if (any_nt_status_not_ok(status, result, &status)) {
574 4 : goto out;
575 : }
576 :
577 46 : if (rids.count != 1) {
578 0 : status = NT_STATUS_NO_SUCH_USER;
579 0 : goto out;
580 : }
581 46 : if (types.count != 1) {
582 0 : status = NT_STATUS_INVALID_PARAMETER;
583 0 : goto out;
584 : }
585 46 : if (types.ids[0] != SID_NAME_USER) {
586 0 : status = NT_STATUS_NO_SUCH_USER;
587 0 : goto out;
588 : }
589 :
590 46 : rid = rids.ids[0];
591 :
592 46 : status = dcerpc_samr_OpenUser(b, mem_ctx,
593 : &domain_handle,
594 : access_mask,
595 : rid,
596 : user_handle,
597 : &result);
598 46 : if (any_nt_status_not_ok(status, result, &status)) {
599 0 : goto out;
600 : }
601 :
602 46 : if (user_rid_p) {
603 46 : *user_rid_p = rid;
604 : }
605 :
606 46 : if (domain_sid_p) {
607 46 : *domain_sid_p = domain_sid;
608 : }
609 :
610 50 : out:
611 50 : if (is_valid_policy_hnd(&domain_handle)) {
612 50 : dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
613 : }
614 50 : if (is_valid_policy_hnd(&connect_handle)) {
615 50 : dcerpc_samr_Close(b, mem_ctx, &connect_handle, &result);
616 : }
617 :
618 50 : return status;
619 : }
620 :
621 : /******************************************************************
622 : gets a machine password entry. checks access rights of the host.
623 : ******************************************************************/
624 :
625 50 : static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
626 : enum netr_SchannelType sec_chan_type,
627 : struct dom_sid *sid,
628 : struct messaging_context *msg_ctx)
629 : {
630 : NTSTATUS status;
631 50 : NTSTATUS result = NT_STATUS_OK;
632 50 : TALLOC_CTX *mem_ctx = NULL;
633 50 : struct dcerpc_binding_handle *h = NULL;
634 50 : struct tsocket_address *local = NULL;
635 50 : struct policy_handle user_handle = { .handle_type = 0 };
636 50 : uint32_t user_rid = UINT32_MAX;
637 50 : struct dom_sid *domain_sid = NULL;
638 50 : uint32_t acct_ctrl = 0;
639 50 : union samr_UserInfo *info = NULL;
640 50 : struct auth_session_info *session_info = NULL;
641 : int rc;
642 :
643 : #if 0
644 :
645 : /*
646 : * Currently this code is redundant as we already have a filter
647 : * by hostname list. What this code really needs to do is to
648 : * get a hosts allowed/hosts denied list from the SAM database
649 : * on a per user basis, and make the access decision there.
650 : * I will leave this code here for now as a reminder to implement
651 : * this at a later date. JRA.
652 : */
653 :
654 : if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
655 : p->client_id.name,
656 : p->client_id.addr)) {
657 : DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
658 : return False;
659 : }
660 : #endif /* 0 */
661 :
662 50 : mem_ctx = talloc_stackframe();
663 :
664 50 : status = make_session_info_system(mem_ctx, &session_info);
665 50 : if (!NT_STATUS_IS_OK(status)) {
666 0 : goto out;
667 : }
668 :
669 50 : ZERO_STRUCT(user_handle);
670 :
671 50 : rc = tsocket_address_inet_from_strings(mem_ctx,
672 : "ip",
673 : "127.0.0.1",
674 : 0,
675 : &local);
676 50 : if (rc < 0) {
677 0 : status = NT_STATUS_NO_MEMORY;
678 0 : goto out;
679 : }
680 :
681 50 : status = rpcint_binding_handle(mem_ctx,
682 : &ndr_table_samr,
683 : local,
684 : NULL,
685 : session_info,
686 : msg_ctx,
687 : &h);
688 50 : if (!NT_STATUS_IS_OK(status)) {
689 0 : goto out;
690 : }
691 :
692 50 : status = samr_find_machine_account(mem_ctx, h, mach_acct,
693 : SEC_FLAG_MAXIMUM_ALLOWED,
694 : &domain_sid, &user_rid,
695 : &user_handle);
696 50 : if (!NT_STATUS_IS_OK(status)) {
697 4 : goto out;
698 : }
699 :
700 46 : status = dcerpc_samr_QueryUserInfo2(h,
701 : mem_ctx,
702 : &user_handle,
703 : UserControlInformation,
704 : &info,
705 : &result);
706 46 : if (any_nt_status_not_ok(status, result, &status)) {
707 0 : goto out;
708 : }
709 :
710 46 : acct_ctrl = info->info16.acct_flags;
711 :
712 46 : if (acct_ctrl & ACB_DISABLED) {
713 0 : DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
714 0 : status = NT_STATUS_ACCOUNT_DISABLED;
715 0 : goto out;
716 : }
717 :
718 65 : if (!(acct_ctrl & ACB_SVRTRUST) &&
719 19 : !(acct_ctrl & ACB_WSTRUST) &&
720 0 : !(acct_ctrl & ACB_DOMTRUST))
721 : {
722 0 : DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
723 0 : status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
724 0 : goto out;
725 : }
726 :
727 46 : switch (sec_chan_type) {
728 27 : case SEC_CHAN_BDC:
729 27 : if (!(acct_ctrl & ACB_SVRTRUST)) {
730 0 : DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
731 : "but not a server trust account\n", mach_acct));
732 0 : status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
733 0 : goto out;
734 : }
735 27 : break;
736 19 : case SEC_CHAN_WKSTA:
737 19 : if (!(acct_ctrl & ACB_WSTRUST)) {
738 0 : DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
739 : "but not a workstation trust account\n", mach_acct));
740 0 : status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
741 0 : goto out;
742 : }
743 19 : break;
744 0 : case SEC_CHAN_DOMAIN:
745 0 : if (!(acct_ctrl & ACB_DOMTRUST)) {
746 0 : DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
747 : "but not a interdomain trust account\n", mach_acct));
748 0 : status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
749 0 : goto out;
750 : }
751 0 : break;
752 0 : default:
753 0 : break;
754 : }
755 :
756 46 : become_root();
757 46 : status = dcerpc_samr_QueryUserInfo2(h,
758 : mem_ctx,
759 : &user_handle,
760 : UserInternal1Information,
761 : &info,
762 : &result);
763 46 : unbecome_root();
764 46 : if (any_nt_status_not_ok(status, result, &status)) {
765 0 : goto out;
766 : }
767 :
768 46 : if (info->info18.nt_pwd_active == 0) {
769 0 : DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
770 0 : status = NT_STATUS_LOGON_FAILURE;
771 0 : goto out;
772 : }
773 :
774 : /* samr gives out nthash unencrypted (!) */
775 46 : memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
776 :
777 46 : sid_compose(sid, domain_sid, user_rid);
778 :
779 50 : out:
780 50 : if (h && is_valid_policy_hnd(&user_handle)) {
781 46 : dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
782 : }
783 :
784 50 : talloc_free(mem_ctx);
785 :
786 50 : return status;
787 : }
788 :
789 : /*************************************************************************
790 : _netr_ServerReqChallenge
791 : *************************************************************************/
792 :
793 595 : NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
794 : struct netr_ServerReqChallenge *r)
795 : {
796 595 : struct netlogon_server_pipe_state *pipe_state =
797 595 : talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
798 :
799 595 : if (pipe_state) {
800 565 : DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
801 565 : talloc_free(pipe_state);
802 565 : p->private_data = NULL;
803 : }
804 :
805 595 : pipe_state = talloc(p, struct netlogon_server_pipe_state);
806 595 : NT_STATUS_HAVE_NO_MEMORY(pipe_state);
807 :
808 595 : pipe_state->client_challenge = *r->in.credentials;
809 :
810 595 : netlogon_creds_random_challenge(&pipe_state->server_challenge);
811 :
812 595 : *r->out.return_credentials = pipe_state->server_challenge;
813 :
814 595 : p->private_data = pipe_state;
815 :
816 595 : return NT_STATUS_OK;
817 : }
818 :
819 : /*************************************************************************
820 : _netr_ServerAuthenticate
821 : Create the initial credentials.
822 : *************************************************************************/
823 :
824 0 : NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
825 : struct netr_ServerAuthenticate *r)
826 : {
827 : struct netr_ServerAuthenticate3 a;
828 0 : uint32_t negotiate_flags = 0;
829 : uint32_t rid;
830 :
831 0 : a.in.server_name = r->in.server_name;
832 0 : a.in.account_name = r->in.account_name;
833 0 : a.in.secure_channel_type = r->in.secure_channel_type;
834 0 : a.in.computer_name = r->in.computer_name;
835 0 : a.in.credentials = r->in.credentials;
836 0 : a.in.negotiate_flags = &negotiate_flags;
837 :
838 0 : a.out.return_credentials = r->out.return_credentials;
839 0 : a.out.rid = &rid;
840 0 : a.out.negotiate_flags = &negotiate_flags;
841 :
842 0 : return _netr_ServerAuthenticate3(p, &a);
843 :
844 : }
845 :
846 : /*************************************************************************
847 : _netr_ServerAuthenticate3
848 : *************************************************************************/
849 :
850 50 : NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
851 : struct netr_ServerAuthenticate3 *r)
852 : {
853 : NTSTATUS status;
854 : uint32_t srv_flgs;
855 : /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
856 : * so use a copy to avoid destroying the client values. */
857 50 : uint32_t in_neg_flags = *r->in.negotiate_flags;
858 : const char *fn;
859 : struct loadparm_context *lp_ctx;
860 : struct dom_sid sid;
861 : struct samr_Password mach_pwd;
862 : struct netlogon_creds_CredentialState *creds;
863 50 : struct netlogon_server_pipe_state *pipe_state =
864 50 : talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
865 :
866 : /* According to Microsoft (see bugid #6099)
867 : * Windows 7 looks at the negotiate_flags
868 : * returned in this structure *even if the
869 : * call fails with access denied* ! So in order
870 : * to allow Win7 to connect to a Samba NT style
871 : * PDC we set the flags before we know if it's
872 : * an error or not.
873 : */
874 :
875 : /* 0x000001ff */
876 50 : srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
877 : NETLOGON_NEG_PERSISTENT_SAMREPL |
878 : NETLOGON_NEG_ARCFOUR |
879 : NETLOGON_NEG_PROMOTION_COUNT |
880 : NETLOGON_NEG_CHANGELOG_BDC |
881 : NETLOGON_NEG_FULL_SYNC_REPL |
882 : NETLOGON_NEG_MULTIPLE_SIDS |
883 : NETLOGON_NEG_REDO |
884 : NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
885 : NETLOGON_NEG_PASSWORD_SET2;
886 :
887 : /* Ensure we support strong (128-bit) keys. */
888 50 : if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
889 50 : srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
890 : }
891 :
892 50 : if (in_neg_flags & NETLOGON_NEG_SUPPORTS_AES) {
893 25 : srv_flgs |= NETLOGON_NEG_SUPPORTS_AES;
894 : }
895 :
896 50 : if (in_neg_flags & NETLOGON_NEG_SCHANNEL) {
897 50 : srv_flgs |= NETLOGON_NEG_SCHANNEL;
898 : }
899 :
900 : /*
901 : * Support authenticaten of trusted domains.
902 : *
903 : * These flags are the minimum required set which works with win2k3
904 : * and win2k8.
905 : */
906 50 : if (pdb_capabilities() & PDB_CAP_TRUSTED_DOMAINS_EX) {
907 0 : srv_flgs |= NETLOGON_NEG_TRANSITIVE_TRUSTS |
908 : NETLOGON_NEG_DNS_DOMAIN_TRUSTS |
909 : NETLOGON_NEG_CROSS_FOREST_TRUSTS |
910 : NETLOGON_NEG_NEUTRALIZE_NT4_EMULATION;
911 : }
912 :
913 : /*
914 : * If weak cryto is disabled, do not announce that we support RC4.
915 : */
916 50 : if (lp_weak_crypto() == SAMBA_WEAK_CRYPTO_DISALLOWED) {
917 0 : srv_flgs &= ~NETLOGON_NEG_ARCFOUR;
918 : }
919 :
920 50 : switch (p->opnum) {
921 0 : case NDR_NETR_SERVERAUTHENTICATE:
922 0 : fn = "_netr_ServerAuthenticate";
923 0 : break;
924 42 : case NDR_NETR_SERVERAUTHENTICATE2:
925 42 : fn = "_netr_ServerAuthenticate2";
926 42 : break;
927 8 : case NDR_NETR_SERVERAUTHENTICATE3:
928 8 : fn = "_netr_ServerAuthenticate3";
929 8 : break;
930 0 : default:
931 0 : return NT_STATUS_INTERNAL_ERROR;
932 : }
933 :
934 : /* We use this as the key to store the creds: */
935 : /* r->in.computer_name */
936 :
937 50 : if (!pipe_state) {
938 0 : DEBUG(0,("%s: no challenge sent to client %s\n", fn,
939 : r->in.computer_name));
940 0 : status = NT_STATUS_ACCESS_DENIED;
941 0 : goto out;
942 : }
943 :
944 50 : status = get_md4pw(&mach_pwd,
945 : r->in.account_name,
946 : r->in.secure_channel_type,
947 : &sid, p->msg_ctx);
948 50 : if (!NT_STATUS_IS_OK(status)) {
949 4 : DEBUG(0,("%s: failed to get machine password for "
950 : "account %s: %s\n",
951 : fn, r->in.account_name, nt_errstr(status) ));
952 : /* always return NT_STATUS_ACCESS_DENIED */
953 4 : status = NT_STATUS_ACCESS_DENIED;
954 4 : goto out;
955 : }
956 :
957 : /* From the client / server challenges and md4 password, generate sess key */
958 : /* Check client credentials are valid. */
959 92 : creds = netlogon_creds_server_init(p->mem_ctx,
960 : r->in.account_name,
961 : r->in.computer_name,
962 46 : r->in.secure_channel_type,
963 46 : &pipe_state->client_challenge,
964 46 : &pipe_state->server_challenge,
965 : &mach_pwd,
966 46 : r->in.credentials,
967 : r->out.return_credentials,
968 : srv_flgs);
969 46 : if (!creds) {
970 4 : DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
971 : "request from client %s machine account %s\n",
972 : fn, r->in.computer_name,
973 : r->in.account_name));
974 4 : status = NT_STATUS_ACCESS_DENIED;
975 4 : goto out;
976 : }
977 :
978 42 : creds->sid = dom_sid_dup(creds, &sid);
979 42 : if (!creds->sid) {
980 0 : status = NT_STATUS_NO_MEMORY;
981 0 : goto out;
982 : }
983 :
984 42 : lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
985 42 : if (lp_ctx == NULL) {
986 0 : DEBUG(10, ("loadparm_init_s3 failed\n"));
987 0 : status = NT_STATUS_INTERNAL_ERROR;
988 0 : goto out;
989 : }
990 :
991 : /* Store off the state so we can continue after client disconnect. */
992 42 : become_root();
993 42 : status = schannel_save_creds_state(p->mem_ctx, lp_ctx, creds);
994 42 : unbecome_root();
995 :
996 42 : talloc_unlink(p->mem_ctx, lp_ctx);
997 :
998 42 : if (!NT_STATUS_IS_OK(status)) {
999 0 : ZERO_STRUCTP(r->out.return_credentials);
1000 0 : goto out;
1001 : }
1002 :
1003 42 : sid_peek_rid(&sid, r->out.rid);
1004 :
1005 42 : status = NT_STATUS_OK;
1006 :
1007 50 : out:
1008 :
1009 50 : *r->out.negotiate_flags = srv_flgs;
1010 50 : return status;
1011 : }
1012 :
1013 : /*************************************************************************
1014 : _netr_ServerAuthenticate2
1015 : *************************************************************************/
1016 :
1017 42 : NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1018 : struct netr_ServerAuthenticate2 *r)
1019 : {
1020 : struct netr_ServerAuthenticate3 a;
1021 : uint32_t rid;
1022 :
1023 42 : a.in.server_name = r->in.server_name;
1024 42 : a.in.account_name = r->in.account_name;
1025 42 : a.in.secure_channel_type = r->in.secure_channel_type;
1026 42 : a.in.computer_name = r->in.computer_name;
1027 42 : a.in.credentials = r->in.credentials;
1028 42 : a.in.negotiate_flags = r->in.negotiate_flags;
1029 :
1030 42 : a.out.return_credentials = r->out.return_credentials;
1031 42 : a.out.rid = &rid;
1032 42 : a.out.negotiate_flags = r->out.negotiate_flags;
1033 :
1034 42 : return _netr_ServerAuthenticate3(p, &a);
1035 : }
1036 :
1037 : /*************************************************************************
1038 : *************************************************************************/
1039 :
1040 273 : static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1041 : TALLOC_CTX *mem_ctx,
1042 : const char *computer_name,
1043 : struct netr_Authenticator *received_authenticator,
1044 : struct netr_Authenticator *return_authenticator,
1045 : struct netlogon_creds_CredentialState **creds_out)
1046 : {
1047 : NTSTATUS status;
1048 273 : bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1049 273 : bool schannel_required = schannel_global_required;
1050 273 : const char *explicit_opt = NULL;
1051 : struct loadparm_context *lp_ctx;
1052 273 : struct netlogon_creds_CredentialState *creds = NULL;
1053 273 : enum dcerpc_AuthType auth_type = DCERPC_AUTH_TYPE_NONE;
1054 273 : uint16_t opnum = p->opnum;
1055 273 : const char *opname = "<unknown>";
1056 : static bool warned_global_once = false;
1057 :
1058 273 : if (creds_out != NULL) {
1059 273 : *creds_out = NULL;
1060 : }
1061 :
1062 273 : if (opnum < ndr_table_netlogon.num_calls) {
1063 273 : opname = ndr_table_netlogon.calls[opnum].name;
1064 : }
1065 :
1066 273 : auth_type = p->auth.auth_type;
1067 :
1068 273 : lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_helpers());
1069 273 : if (lp_ctx == NULL) {
1070 0 : DEBUG(0, ("loadparm_init_s3 failed\n"));
1071 0 : return NT_STATUS_INTERNAL_ERROR;
1072 : }
1073 :
1074 273 : status = schannel_check_creds_state(mem_ctx, lp_ctx,
1075 : computer_name, received_authenticator,
1076 : return_authenticator, &creds);
1077 273 : talloc_unlink(mem_ctx, lp_ctx);
1078 :
1079 273 : if (!NT_STATUS_IS_OK(status)) {
1080 0 : ZERO_STRUCTP(return_authenticator);
1081 0 : return status;
1082 : }
1083 :
1084 : /*
1085 : * We don't use lp_parm_bool(), as we
1086 : * need the explicit_opt pointer in order to
1087 : * adjust the debug messages.
1088 : */
1089 :
1090 273 : explicit_opt = lp_parm_const_string(GLOBAL_SECTION_SNUM,
1091 : "server require schannel",
1092 273 : creds->account_name,
1093 : NULL);
1094 273 : if (explicit_opt != NULL) {
1095 0 : schannel_required = lp_bool(explicit_opt);
1096 : }
1097 :
1098 273 : if (schannel_required) {
1099 0 : if (auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1100 0 : *creds_out = creds;
1101 0 : return NT_STATUS_OK;
1102 : }
1103 :
1104 0 : DBG_ERR("CVE-2020-1472(ZeroLogon): "
1105 : "%s request (opnum[%u]) without schannel from "
1106 : "client_account[%s] client_computer_name[%s]\n",
1107 : opname, opnum,
1108 : log_escape(mem_ctx, creds->account_name),
1109 : log_escape(mem_ctx, creds->computer_name));
1110 0 : DBG_ERR("CVE-2020-1472(ZeroLogon): Check if option "
1111 : "'server require schannel:%s = no' is needed! \n",
1112 : log_escape(mem_ctx, creds->account_name));
1113 0 : TALLOC_FREE(creds);
1114 0 : ZERO_STRUCTP(return_authenticator);
1115 0 : return NT_STATUS_ACCESS_DENIED;
1116 : }
1117 :
1118 273 : if (!schannel_global_required && !warned_global_once) {
1119 : /*
1120 : * We want admins to notice their misconfiguration!
1121 : */
1122 26 : DBG_ERR("CVE-2020-1472(ZeroLogon): "
1123 : "Please configure 'server schannel = yes', "
1124 : "See https://bugzilla.samba.org/show_bug.cgi?id=14497\n");
1125 26 : warned_global_once = true;
1126 : }
1127 :
1128 273 : if (auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1129 225 : DBG_ERR("CVE-2020-1472(ZeroLogon): "
1130 : "%s request (opnum[%u]) WITH schannel from "
1131 : "client_account[%s] client_computer_name[%s]\n",
1132 : opname, opnum,
1133 : log_escape(mem_ctx, creds->account_name),
1134 : log_escape(mem_ctx, creds->computer_name));
1135 225 : DBG_ERR("CVE-2020-1472(ZeroLogon): "
1136 : "Option 'server require schannel:%s = no' not needed!?\n",
1137 : log_escape(mem_ctx, creds->account_name));
1138 :
1139 225 : *creds_out = creds;
1140 225 : return NT_STATUS_OK;
1141 : }
1142 :
1143 48 : if (explicit_opt != NULL) {
1144 0 : DBG_INFO("CVE-2020-1472(ZeroLogon): "
1145 : "%s request (opnum[%u]) without schannel from "
1146 : "client_account[%s] client_computer_name[%s]\n",
1147 : opname, opnum,
1148 : log_escape(mem_ctx, creds->account_name),
1149 : log_escape(mem_ctx, creds->computer_name));
1150 0 : DBG_INFO("CVE-2020-1472(ZeroLogon): "
1151 : "Option 'server require schannel:%s = no' still needed!\n",
1152 : log_escape(mem_ctx, creds->account_name));
1153 : } else {
1154 48 : DBG_ERR("CVE-2020-1472(ZeroLogon): "
1155 : "%s request (opnum[%u]) without schannel from "
1156 : "client_account[%s] client_computer_name[%s]\n",
1157 : opname, opnum,
1158 : log_escape(mem_ctx, creds->account_name),
1159 : log_escape(mem_ctx, creds->computer_name));
1160 48 : DBG_ERR("CVE-2020-1472(ZeroLogon): Check if option "
1161 : "'server require schannel:%s = no' might be needed!\n",
1162 : log_escape(mem_ctx, creds->account_name));
1163 : }
1164 :
1165 48 : *creds_out = creds;
1166 48 : return NT_STATUS_OK;
1167 : }
1168 :
1169 :
1170 : /*************************************************************************
1171 : *************************************************************************/
1172 :
1173 8 : static NTSTATUS samr_open_machine_account(
1174 : struct dcerpc_binding_handle *b,
1175 : const struct dom_sid *machine_sid,
1176 : uint32_t access_mask,
1177 : struct policy_handle *machine_handle)
1178 : {
1179 8 : TALLOC_CTX *frame = talloc_stackframe();
1180 8 : struct policy_handle connect_handle = { .handle_type = 0 };
1181 8 : struct policy_handle domain_handle = { .handle_type = 0 };
1182 8 : struct dom_sid domain_sid = *machine_sid;
1183 : uint32_t machine_rid;
1184 8 : NTSTATUS result = NT_STATUS_OK;
1185 8 : NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
1186 : bool ok;
1187 :
1188 8 : ok = sid_split_rid(&domain_sid, &machine_rid);
1189 8 : if (!ok) {
1190 0 : goto out;
1191 : }
1192 :
1193 8 : status = dcerpc_samr_Connect2(
1194 : b,
1195 : frame,
1196 : lp_netbios_name(),
1197 : SAMR_ACCESS_CONNECT_TO_SERVER |
1198 : SAMR_ACCESS_ENUM_DOMAINS |
1199 : SAMR_ACCESS_LOOKUP_DOMAIN,
1200 : &connect_handle,
1201 : &result);
1202 8 : if (any_nt_status_not_ok(status, result, &status)) {
1203 0 : goto out;
1204 : }
1205 :
1206 8 : status = dcerpc_samr_OpenDomain(
1207 : b,
1208 : frame,
1209 : &connect_handle,
1210 : SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
1211 : &domain_sid,
1212 : &domain_handle,
1213 : &result);
1214 8 : if (any_nt_status_not_ok(status, result, &status)) {
1215 0 : goto out;
1216 : }
1217 :
1218 8 : status = dcerpc_samr_OpenUser(
1219 : b,
1220 : frame,
1221 : &domain_handle,
1222 : SEC_FLAG_MAXIMUM_ALLOWED,
1223 : machine_rid,
1224 : machine_handle,
1225 : &result);
1226 8 : if (any_nt_status_not_ok(status, result, &status)) {
1227 0 : goto out;
1228 : }
1229 :
1230 16 : out:
1231 8 : if ((b != NULL) && is_valid_policy_hnd(&domain_handle)) {
1232 8 : dcerpc_samr_Close(b, frame, &domain_handle, &result);
1233 : }
1234 8 : if ((b != NULL) && is_valid_policy_hnd(&connect_handle)) {
1235 8 : dcerpc_samr_Close(b, frame, &connect_handle, &result);
1236 : }
1237 8 : TALLOC_FREE(frame);
1238 8 : return status;
1239 : }
1240 :
1241 : struct _samr_Credentials_t {
1242 : enum {
1243 : CRED_TYPE_NT_HASH,
1244 : CRED_TYPE_PLAIN_TEXT,
1245 : } cred_type;
1246 : union {
1247 : struct samr_Password *nt_hash;
1248 : const char *password;
1249 : } creds;
1250 : };
1251 :
1252 :
1253 8 : static NTSTATUS netr_set_machine_account_password(
1254 : TALLOC_CTX *mem_ctx,
1255 : struct auth_session_info *session_info,
1256 : struct messaging_context *msg_ctx,
1257 : const struct dom_sid *machine_sid,
1258 : struct _samr_Credentials_t *cr)
1259 : {
1260 : NTSTATUS status;
1261 8 : NTSTATUS result = NT_STATUS_OK;
1262 8 : struct dcerpc_binding_handle *h = NULL;
1263 : struct tsocket_address *local;
1264 8 : struct policy_handle user_handle = { .handle_type = 0 };
1265 : uint32_t acct_ctrl;
1266 : union samr_UserInfo *info;
1267 : struct samr_UserInfo18 info18;
1268 : struct samr_UserInfo26 info26;
1269 : DATA_BLOB in,out;
1270 : int rc;
1271 : DATA_BLOB session_key;
1272 : enum samr_UserInfoLevel infolevel;
1273 8 : TALLOC_CTX *frame = talloc_stackframe();
1274 :
1275 8 : status = session_extract_session_key(session_info,
1276 : &session_key,
1277 : KEY_USE_16BYTES);
1278 8 : if (!NT_STATUS_IS_OK(status)) {
1279 0 : goto out;
1280 : }
1281 :
1282 8 : rc = tsocket_address_inet_from_strings(frame,
1283 : "ip",
1284 : "127.0.0.1",
1285 : 0,
1286 : &local);
1287 8 : if (rc < 0) {
1288 0 : status = NT_STATUS_NO_MEMORY;
1289 0 : goto out;
1290 : }
1291 :
1292 8 : status = rpcint_binding_handle(frame,
1293 : &ndr_table_samr,
1294 : local,
1295 : NULL,
1296 : session_info,
1297 : msg_ctx,
1298 : &h);
1299 8 : if (!NT_STATUS_IS_OK(status)) {
1300 0 : goto out;
1301 : }
1302 :
1303 8 : become_root();
1304 8 : status = samr_open_machine_account(
1305 : h, machine_sid, SEC_FLAG_MAXIMUM_ALLOWED, &user_handle);
1306 8 : unbecome_root();
1307 8 : if (!NT_STATUS_IS_OK(status)) {
1308 0 : goto out;
1309 : }
1310 :
1311 8 : status = dcerpc_samr_QueryUserInfo2(h,
1312 : frame,
1313 : &user_handle,
1314 : UserControlInformation,
1315 : &info,
1316 : &result);
1317 8 : if (any_nt_status_not_ok(status, result, &status)) {
1318 0 : goto out;
1319 : }
1320 :
1321 8 : acct_ctrl = info->info16.acct_flags;
1322 :
1323 8 : if (!(acct_ctrl & ACB_WSTRUST ||
1324 0 : acct_ctrl & ACB_SVRTRUST ||
1325 0 : acct_ctrl & ACB_DOMTRUST)) {
1326 0 : status = NT_STATUS_NO_SUCH_USER;
1327 0 : goto out;
1328 : }
1329 :
1330 8 : if (acct_ctrl & ACB_DISABLED) {
1331 0 : status = NT_STATUS_ACCOUNT_DISABLED;
1332 0 : goto out;
1333 : }
1334 :
1335 8 : switch(cr->cred_type) {
1336 8 : case CRED_TYPE_NT_HASH:
1337 8 : ZERO_STRUCT(info18);
1338 :
1339 8 : infolevel = UserInternal1Information;
1340 :
1341 8 : in = data_blob_const(cr->creds.nt_hash, 16);
1342 8 : out = data_blob_talloc_zero(frame, 16);
1343 8 : if (out.data == NULL) {
1344 0 : status = NT_STATUS_NO_MEMORY;
1345 0 : goto out;
1346 : }
1347 8 : rc = sess_crypt_blob(&out, &in, &session_key, SAMBA_GNUTLS_ENCRYPT);
1348 8 : if (rc != 0) {
1349 0 : status = gnutls_error_to_ntstatus(rc,
1350 : NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
1351 0 : goto out;
1352 : }
1353 8 : memcpy(info18.nt_pwd.hash, out.data, out.length);
1354 :
1355 8 : info18.nt_pwd_active = true;
1356 :
1357 8 : info->info18 = info18;
1358 8 : break;
1359 0 : case CRED_TYPE_PLAIN_TEXT:
1360 0 : ZERO_STRUCT(info26);
1361 :
1362 0 : infolevel = UserInternal5InformationNew;
1363 :
1364 0 : status = init_samr_CryptPasswordEx(cr->creds.password,
1365 : &session_key,
1366 : &info26.password);
1367 0 : if (!NT_STATUS_IS_OK(status)) {
1368 0 : goto out;
1369 : }
1370 :
1371 0 : info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1372 0 : info->info26 = info26;
1373 0 : break;
1374 0 : default:
1375 0 : status = NT_STATUS_INTERNAL_ERROR;
1376 0 : goto out;
1377 : break;
1378 : }
1379 :
1380 8 : become_root();
1381 8 : status = dcerpc_samr_SetUserInfo2(h,
1382 : frame,
1383 : &user_handle,
1384 : infolevel,
1385 : info,
1386 : &result);
1387 8 : unbecome_root();
1388 8 : if (any_nt_status_not_ok(status, result, &status)) {
1389 0 : goto out;
1390 : }
1391 :
1392 16 : out:
1393 8 : if (h && is_valid_policy_hnd(&user_handle)) {
1394 8 : dcerpc_samr_Close(h, frame, &user_handle, &result);
1395 : }
1396 8 : TALLOC_FREE(frame);
1397 :
1398 8 : return status;
1399 : }
1400 :
1401 : /*************************************************************************
1402 : _netr_ServerPasswordSet
1403 : *************************************************************************/
1404 :
1405 8 : NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1406 : struct netr_ServerPasswordSet *r)
1407 : {
1408 8 : NTSTATUS status = NT_STATUS_OK;
1409 : size_t i;
1410 8 : struct netlogon_creds_CredentialState *creds = NULL;
1411 8 : struct _samr_Credentials_t cr = { CRED_TYPE_NT_HASH, {0}};
1412 :
1413 8 : DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1414 :
1415 8 : become_root();
1416 8 : status = netr_creds_server_step_check(p, p->mem_ctx,
1417 : r->in.computer_name,
1418 : r->in.credential,
1419 : r->out.return_authenticator,
1420 : &creds);
1421 8 : unbecome_root();
1422 :
1423 8 : if (!NT_STATUS_IS_OK(status)) {
1424 0 : const char *computer_name = "<unknown>";
1425 :
1426 0 : if (creds != NULL && creds->computer_name != NULL) {
1427 0 : computer_name = creds->computer_name;
1428 : }
1429 0 : DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1430 : "request from client %s machine account %s\n",
1431 : r->in.computer_name, computer_name));
1432 0 : TALLOC_FREE(creds);
1433 0 : return status;
1434 : }
1435 :
1436 8 : DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1437 : r->in.computer_name, creds->computer_name));
1438 :
1439 8 : status = netlogon_creds_des_decrypt(creds, r->in.new_password);
1440 8 : if (!NT_STATUS_IS_OK(status)) {
1441 0 : return status;
1442 : }
1443 :
1444 8 : DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1445 136 : for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1446 128 : DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1447 8 : DEBUG(100,("\n"));
1448 :
1449 8 : cr.creds.nt_hash = r->in.new_password;
1450 8 : status = netr_set_machine_account_password(p->mem_ctx,
1451 : p->session_info,
1452 : p->msg_ctx,
1453 8 : creds->sid,
1454 : &cr);
1455 8 : return status;
1456 : }
1457 :
1458 : /****************************************************************
1459 : _netr_ServerPasswordSet2
1460 : ****************************************************************/
1461 :
1462 8 : NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1463 : struct netr_ServerPasswordSet2 *r)
1464 : {
1465 : NTSTATUS status;
1466 8 : struct netlogon_creds_CredentialState *creds = NULL;
1467 8 : DATA_BLOB plaintext = data_blob_null;
1468 8 : DATA_BLOB new_password = data_blob_null;
1469 : size_t confounder_len;
1470 8 : DATA_BLOB dec_blob = data_blob_null;
1471 8 : DATA_BLOB enc_blob = data_blob_null;
1472 : struct samr_CryptPassword password_buf;
1473 8 : struct _samr_Credentials_t cr = { CRED_TYPE_PLAIN_TEXT, {0}};
1474 : bool ok;
1475 :
1476 8 : become_root();
1477 8 : status = netr_creds_server_step_check(p, p->mem_ctx,
1478 : r->in.computer_name,
1479 : r->in.credential,
1480 : r->out.return_authenticator,
1481 : &creds);
1482 8 : unbecome_root();
1483 :
1484 8 : if (!NT_STATUS_IS_OK(status)) {
1485 0 : const char *computer_name = "<unknown>";
1486 :
1487 0 : if (creds && creds->computer_name) {
1488 0 : computer_name = creds->computer_name;
1489 : }
1490 0 : DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1491 : "failed. Rejecting auth request from client %s machine account %s\n",
1492 : r->in.computer_name, computer_name));
1493 0 : TALLOC_FREE(creds);
1494 0 : return status;
1495 : }
1496 :
1497 8 : DBG_NOTICE("Server Password Set2 by remote "
1498 : "machine:[%s] on account [%s]\n",
1499 : r->in.computer_name,
1500 : creds->computer_name);
1501 :
1502 8 : memcpy(password_buf.data, r->in.new_password->data, 512);
1503 8 : SIVAL(password_buf.data, 512, r->in.new_password->length);
1504 :
1505 8 : if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
1506 4 : status = netlogon_creds_aes_decrypt(creds,
1507 : password_buf.data,
1508 : 516);
1509 : } else {
1510 4 : status = netlogon_creds_arcfour_crypt(creds,
1511 : password_buf.data,
1512 : 516);
1513 : }
1514 8 : if (!NT_STATUS_IS_OK(status)) {
1515 0 : TALLOC_FREE(creds);
1516 0 : return status;
1517 : }
1518 :
1519 8 : if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &new_password)) {
1520 0 : DEBUG(2,("_netr_ServerPasswordSet2: unable to extract password "
1521 : "from a buffer. Rejecting auth request as a wrong password\n"));
1522 0 : TALLOC_FREE(creds);
1523 0 : return NT_STATUS_WRONG_PASSWORD;
1524 : }
1525 :
1526 : /*
1527 : * Make sure the length field was encrypted,
1528 : * otherwise we are under attack.
1529 : */
1530 8 : if (new_password.length == r->in.new_password->length) {
1531 1 : DBG_WARNING("Length[%zu] field not encrypted\n",
1532 : new_password.length);
1533 1 : TALLOC_FREE(creds);
1534 1 : return NT_STATUS_WRONG_PASSWORD;
1535 : }
1536 :
1537 : /*
1538 : * We don't allow empty passwords for machine accounts.
1539 : */
1540 7 : if (new_password.length < 2) {
1541 2 : DBG_WARNING("Empty password Length[%zu]\n",
1542 : new_password.length);
1543 2 : TALLOC_FREE(creds);
1544 2 : return NT_STATUS_WRONG_PASSWORD;
1545 : }
1546 :
1547 : /*
1548 : * Make sure the confounder part of CryptPassword
1549 : * buffer was encrypted, otherwise we are under attack.
1550 : */
1551 5 : confounder_len = 512 - new_password.length;
1552 5 : enc_blob = data_blob_const(r->in.new_password->data, confounder_len);
1553 5 : dec_blob = data_blob_const(password_buf.data, confounder_len);
1554 5 : if (confounder_len > 0 && data_blob_cmp(&dec_blob, &enc_blob) == 0) {
1555 1 : DBG_WARNING("Confounder buffer not encrypted Length[%zu]\n",
1556 : confounder_len);
1557 1 : TALLOC_FREE(creds);
1558 1 : return NT_STATUS_WRONG_PASSWORD;
1559 : }
1560 :
1561 : /*
1562 : * Check that the password part was actually encrypted,
1563 : * otherwise we are under attack.
1564 : */
1565 4 : enc_blob = data_blob_const(r->in.new_password->data + confounder_len,
1566 : new_password.length);
1567 4 : dec_blob = data_blob_const(password_buf.data + confounder_len,
1568 : new_password.length);
1569 4 : if (data_blob_cmp(&dec_blob, &enc_blob) == 0) {
1570 2 : DBG_WARNING("Password buffer not encrypted Length[%zu]\n",
1571 : new_password.length);
1572 2 : TALLOC_FREE(creds);
1573 2 : return NT_STATUS_WRONG_PASSWORD;
1574 : }
1575 :
1576 : /*
1577 : * don't allow zero buffers
1578 : */
1579 2 : if (all_zero(new_password.data, new_password.length)) {
1580 1 : DBG_WARNING("Password zero buffer Length[%zu]\n",
1581 : new_password.length);
1582 1 : TALLOC_FREE(creds);
1583 1 : return NT_STATUS_WRONG_PASSWORD;
1584 : }
1585 :
1586 : /* Convert from UTF16 -> plaintext. */
1587 2 : ok = convert_string_talloc(p->mem_ctx,
1588 : CH_UTF16,
1589 : CH_UNIX,
1590 1 : new_password.data,
1591 : new_password.length,
1592 : (void *)&plaintext.data,
1593 : &plaintext.length);
1594 1 : if (!ok) {
1595 1 : DBG_WARNING("unable to extract password from a buffer. "
1596 : "Rejecting auth request as a wrong password\n");
1597 1 : TALLOC_FREE(creds);
1598 1 : return NT_STATUS_WRONG_PASSWORD;
1599 : }
1600 :
1601 : /*
1602 : * We don't allow empty passwords for machine accounts.
1603 : */
1604 :
1605 0 : cr.creds.password = (const char*) plaintext.data;
1606 0 : if (strlen(cr.creds.password) == 0) {
1607 0 : DBG_WARNING("Empty plaintext password\n");
1608 0 : TALLOC_FREE(creds);
1609 0 : return NT_STATUS_WRONG_PASSWORD;
1610 : }
1611 :
1612 0 : status = netr_set_machine_account_password(p->mem_ctx,
1613 : p->session_info,
1614 : p->msg_ctx,
1615 0 : creds->sid,
1616 : &cr);
1617 0 : TALLOC_FREE(creds);
1618 0 : return status;
1619 : }
1620 :
1621 : /*************************************************************************
1622 : _netr_LogonSamLogoff
1623 : *************************************************************************/
1624 :
1625 0 : NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1626 : struct netr_LogonSamLogoff *r)
1627 : {
1628 : NTSTATUS status;
1629 : struct netlogon_creds_CredentialState *creds;
1630 :
1631 0 : become_root();
1632 0 : status = netr_creds_server_step_check(p, p->mem_ctx,
1633 : r->in.computer_name,
1634 : r->in.credential,
1635 : r->out.return_authenticator,
1636 : &creds);
1637 0 : unbecome_root();
1638 :
1639 0 : return status;
1640 : }
1641 :
1642 1023 : static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1643 : {
1644 1023 : switch (r->in.logon_level) {
1645 124 : case NetlogonInteractiveInformation:
1646 : case NetlogonServiceInformation:
1647 : case NetlogonInteractiveTransitiveInformation:
1648 : case NetlogonServiceTransitiveInformation:
1649 124 : if (r->in.logon->password == NULL) {
1650 0 : return NT_STATUS_INVALID_PARAMETER;
1651 : }
1652 :
1653 124 : switch (r->in.validation_level) {
1654 70 : case NetlogonValidationSamInfo: /* 2 */
1655 : case NetlogonValidationSamInfo2: /* 3 */
1656 70 : break;
1657 54 : case NetlogonValidationSamInfo4: /* 6 */
1658 54 : if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1659 54 : DEBUG(10,("Not adding validation info level 6 "
1660 : "without ADS passdb backend\n"));
1661 54 : return NT_STATUS_INVALID_INFO_CLASS;
1662 : }
1663 0 : break;
1664 0 : default:
1665 0 : return NT_STATUS_INVALID_INFO_CLASS;
1666 : }
1667 :
1668 70 : break;
1669 771 : case NetlogonNetworkInformation:
1670 : case NetlogonNetworkTransitiveInformation:
1671 771 : if (r->in.logon->network == NULL) {
1672 0 : return NT_STATUS_INVALID_PARAMETER;
1673 : }
1674 :
1675 771 : switch (r->in.validation_level) {
1676 496 : case NetlogonValidationSamInfo: /* 2 */
1677 : case NetlogonValidationSamInfo2: /* 3 */
1678 496 : break;
1679 243 : case NetlogonValidationSamInfo4: /* 6 */
1680 243 : if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1681 243 : DEBUG(10,("Not adding validation info level 6 "
1682 : "without ADS passdb backend\n"));
1683 243 : return NT_STATUS_INVALID_INFO_CLASS;
1684 : }
1685 0 : break;
1686 32 : default:
1687 32 : return NT_STATUS_INVALID_INFO_CLASS;
1688 : }
1689 :
1690 496 : break;
1691 :
1692 0 : case NetlogonGenericInformation:
1693 0 : if (r->in.logon->generic == NULL) {
1694 0 : return NT_STATUS_INVALID_PARAMETER;
1695 : }
1696 :
1697 : /* we don't support this here */
1698 0 : return NT_STATUS_INVALID_PARAMETER;
1699 : #if 0
1700 : switch (r->in.validation_level) {
1701 : /* TODO: case NetlogonValidationGenericInfo: 4 */
1702 : case NetlogonValidationGenericInfo2: /* 5 */
1703 : break;
1704 : default:
1705 : return NT_STATUS_INVALID_INFO_CLASS;
1706 : }
1707 :
1708 : break;
1709 : #endif
1710 128 : default:
1711 128 : return NT_STATUS_INVALID_PARAMETER;
1712 : }
1713 :
1714 566 : return NT_STATUS_OK;
1715 : }
1716 :
1717 : /*************************************************************************
1718 : _netr_LogonSamLogon_base
1719 : *************************************************************************/
1720 :
1721 558 : static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1722 : struct netr_LogonSamLogonEx *r,
1723 : struct netlogon_creds_CredentialState *creds)
1724 : {
1725 558 : NTSTATUS status = NT_STATUS_OK;
1726 558 : union netr_LogonLevel *logon = r->in.logon;
1727 : const char *nt_username, *nt_domain, *nt_workstation;
1728 558 : char *sanitized_username = NULL;
1729 558 : struct auth_usersupplied_info *user_info = NULL;
1730 558 : struct auth_serversupplied_info *server_info = NULL;
1731 558 : struct auth_context *auth_context = NULL;
1732 : const char *fn;
1733 :
1734 : #ifdef DEBUG_PASSWORD
1735 558 : logon = netlogon_creds_shallow_copy_logon(p->mem_ctx,
1736 : r->in.logon_level,
1737 558 : r->in.logon);
1738 558 : if (logon == NULL) {
1739 0 : logon = r->in.logon;
1740 : }
1741 : #endif
1742 :
1743 558 : switch (p->opnum) {
1744 224 : case NDR_NETR_LOGONSAMLOGON:
1745 224 : fn = "_netr_LogonSamLogon";
1746 224 : break;
1747 0 : case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1748 0 : fn = "_netr_LogonSamLogonWithFlags";
1749 0 : break;
1750 334 : case NDR_NETR_LOGONSAMLOGONEX:
1751 334 : fn = "_netr_LogonSamLogonEx";
1752 334 : break;
1753 0 : default:
1754 0 : return NT_STATUS_INTERNAL_ERROR;
1755 : }
1756 :
1757 558 : *r->out.authoritative = 1; /* authoritative response */
1758 :
1759 558 : switch (r->in.validation_level) {
1760 136 : case 2:
1761 136 : r->out.validation->sam2 = talloc_zero(p->mem_ctx, struct netr_SamInfo2);
1762 136 : if (!r->out.validation->sam2) {
1763 0 : return NT_STATUS_NO_MEMORY;
1764 : }
1765 136 : break;
1766 422 : case 3:
1767 422 : r->out.validation->sam3 = talloc_zero(p->mem_ctx, struct netr_SamInfo3);
1768 422 : if (!r->out.validation->sam3) {
1769 0 : return NT_STATUS_NO_MEMORY;
1770 : }
1771 422 : break;
1772 0 : case 6:
1773 0 : r->out.validation->sam6 = talloc_zero(p->mem_ctx, struct netr_SamInfo6);
1774 0 : if (!r->out.validation->sam6) {
1775 0 : return NT_STATUS_NO_MEMORY;
1776 : }
1777 0 : break;
1778 0 : default:
1779 0 : DEBUG(0,("%s: bad validation_level value %d.\n",
1780 : fn, (int)r->in.validation_level));
1781 0 : return NT_STATUS_INVALID_INFO_CLASS;
1782 : }
1783 :
1784 558 : switch (r->in.logon_level) {
1785 70 : case NetlogonInteractiveInformation:
1786 : case NetlogonServiceInformation:
1787 : case NetlogonInteractiveTransitiveInformation:
1788 : case NetlogonServiceTransitiveInformation:
1789 140 : nt_username = logon->password->identity_info.account_name.string ?
1790 70 : logon->password->identity_info.account_name.string : "";
1791 140 : nt_domain = logon->password->identity_info.domain_name.string ?
1792 70 : logon->password->identity_info.domain_name.string : "";
1793 140 : nt_workstation = logon->password->identity_info.workstation.string ?
1794 70 : logon->password->identity_info.workstation.string : "";
1795 :
1796 70 : DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
1797 70 : break;
1798 488 : case NetlogonNetworkInformation:
1799 : case NetlogonNetworkTransitiveInformation:
1800 976 : nt_username = logon->network->identity_info.account_name.string ?
1801 488 : logon->network->identity_info.account_name.string : "";
1802 976 : nt_domain = logon->network->identity_info.domain_name.string ?
1803 488 : logon->network->identity_info.domain_name.string : "";
1804 976 : nt_workstation = logon->network->identity_info.workstation.string ?
1805 488 : logon->network->identity_info.workstation.string : "";
1806 :
1807 488 : DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
1808 488 : break;
1809 0 : default:
1810 0 : DEBUG(2,("SAM Logon: unsupported switch value\n"));
1811 0 : return NT_STATUS_INVALID_INFO_CLASS;
1812 : } /* end switch */
1813 :
1814 558 : DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1815 :
1816 558 : DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1817 : r->in.validation_level, nt_username));
1818 :
1819 558 : status = netlogon_creds_decrypt_samlogon_logon(creds,
1820 : r->in.logon_level,
1821 : logon);
1822 558 : if (!NT_STATUS_IS_OK(status)) {
1823 0 : return status;
1824 : }
1825 :
1826 558 : status = make_auth3_context_for_netlogon(talloc_tos(), &auth_context);
1827 558 : if (!NT_STATUS_IS_OK(status)) {
1828 0 : return status;
1829 : }
1830 :
1831 558 : switch (r->in.logon_level) {
1832 488 : case NetlogonNetworkInformation:
1833 : case NetlogonNetworkTransitiveInformation:
1834 : {
1835 488 : const char *wksname = nt_workstation;
1836 488 : const char *workgroup = lp_workgroup();
1837 : bool ok;
1838 :
1839 488 : ok = auth3_context_set_challenge(
1840 488 : auth_context, logon->network->challenge, "fixed");
1841 488 : if (!ok) {
1842 0 : return NT_STATUS_NO_MEMORY;
1843 : }
1844 :
1845 : /* For a network logon, the workstation name comes in with two
1846 : * backslashes in the front. Strip them if they are there. */
1847 :
1848 488 : if (*wksname == '\\') wksname++;
1849 488 : if (*wksname == '\\') wksname++;
1850 :
1851 : /* Standard challenge/response authentication */
1852 1464 : if (!make_user_info_netlogon_network(talloc_tos(),
1853 : &user_info,
1854 : nt_username, nt_domain,
1855 : wksname,
1856 : p->remote_address,
1857 : p->local_address,
1858 488 : logon->network->identity_info.parameter_control,
1859 488 : logon->network->lm.data,
1860 488 : logon->network->lm.length,
1861 488 : logon->network->nt.data,
1862 488 : logon->network->nt.length)) {
1863 0 : status = NT_STATUS_NO_MEMORY;
1864 : }
1865 :
1866 488 : if (NT_STATUS_IS_OK(status)) {
1867 976 : status = NTLMv2_RESPONSE_verify_netlogon_creds(
1868 488 : user_info->client.account_name,
1869 488 : user_info->client.domain_name,
1870 488 : user_info->password.response.nt,
1871 : creds, workgroup);
1872 : }
1873 488 : break;
1874 : }
1875 70 : case NetlogonInteractiveInformation:
1876 : case NetlogonServiceInformation:
1877 : case NetlogonInteractiveTransitiveInformation:
1878 : case NetlogonServiceTransitiveInformation:
1879 :
1880 : /* 'Interactive' authentication, supplies the password in its
1881 : MD4 form, encrypted with the session key. We will convert
1882 : this to challenge/response for the auth subsystem to chew
1883 : on */
1884 : {
1885 : uint8_t chal[8];
1886 :
1887 : #ifdef DEBUG_PASSWORD
1888 70 : if (logon != r->in.logon) {
1889 70 : DEBUG(100,("lm owf password:"));
1890 70 : dump_data(100,
1891 70 : r->in.logon->password->lmpassword.hash, 16);
1892 :
1893 70 : DEBUG(100,("nt owf password:"));
1894 70 : dump_data(100,
1895 70 : r->in.logon->password->ntpassword.hash, 16);
1896 : }
1897 :
1898 70 : DEBUG(100,("decrypt of lm owf password:"));
1899 70 : dump_data(100, logon->password->lmpassword.hash, 16);
1900 :
1901 70 : DEBUG(100,("decrypt of nt owf password:"));
1902 70 : dump_data(100, logon->password->ntpassword.hash, 16);
1903 : #endif
1904 :
1905 70 : auth_get_ntlm_challenge(auth_context, chal);
1906 :
1907 70 : if (!make_user_info_netlogon_interactive(talloc_tos(),
1908 : &user_info,
1909 : nt_username, nt_domain,
1910 : nt_workstation,
1911 : p->remote_address,
1912 : p->local_address,
1913 70 : logon->password->identity_info.parameter_control,
1914 : chal,
1915 70 : logon->password->lmpassword.hash,
1916 70 : logon->password->ntpassword.hash)) {
1917 0 : status = NT_STATUS_NO_MEMORY;
1918 : }
1919 70 : break;
1920 : }
1921 0 : default:
1922 0 : DEBUG(2,("SAM Logon: unsupported switch value\n"));
1923 0 : return NT_STATUS_INVALID_INFO_CLASS;
1924 : } /* end switch */
1925 :
1926 558 : if ( NT_STATUS_IS_OK(status) ) {
1927 558 : status = auth_check_ntlm_password(p->mem_ctx,
1928 : auth_context,
1929 : user_info,
1930 : &server_info,
1931 : r->out.authoritative);
1932 : }
1933 :
1934 558 : TALLOC_FREE(auth_context);
1935 558 : TALLOC_FREE(user_info);
1936 :
1937 558 : DEBUG(5,("%s: check_password returned status %s\n",
1938 : fn, nt_errstr(status)));
1939 :
1940 : /* Check account and password */
1941 :
1942 558 : if (!NT_STATUS_IS_OK(status)) {
1943 232 : TALLOC_FREE(server_info);
1944 232 : return status;
1945 : }
1946 :
1947 326 : if (server_info->guest) {
1948 : /* We don't like guest domain logons... */
1949 0 : DEBUG(5,("%s: Attempted domain logon as GUEST "
1950 : "denied.\n", fn));
1951 0 : TALLOC_FREE(server_info);
1952 0 : return NT_STATUS_LOGON_FAILURE;
1953 : }
1954 :
1955 326 : sanitized_username = talloc_alpha_strcpy(talloc_tos(),
1956 : nt_username,
1957 : SAFE_NETBIOS_CHARS "$");
1958 326 : if (sanitized_username == NULL) {
1959 0 : TALLOC_FREE(server_info);
1960 0 : return NT_STATUS_NO_MEMORY;
1961 : }
1962 :
1963 652 : set_current_user_info(sanitized_username,
1964 326 : server_info->unix_name,
1965 326 : server_info->info3->base.logon_domain.string);
1966 326 : TALLOC_FREE(sanitized_username);
1967 :
1968 : /* This is the point at which, if the login was successful, that
1969 : the SAM Local Security Authority should record that the user is
1970 : logged in to the domain. */
1971 :
1972 326 : switch (r->in.validation_level) {
1973 136 : case 2:
1974 136 : status = serverinfo_to_SamInfo2(server_info,
1975 136 : r->out.validation->sam2);
1976 136 : break;
1977 190 : case 3:
1978 190 : status = serverinfo_to_SamInfo3(server_info,
1979 190 : r->out.validation->sam3);
1980 190 : break;
1981 0 : case 6:
1982 : /* Only allow this if the pipe is protected. */
1983 0 : if (p->auth.auth_level < DCERPC_AUTH_LEVEL_PRIVACY) {
1984 0 : DEBUG(0,("netr_Validation6: client %s not using privacy for netlogon\n",
1985 : get_remote_machine_name()));
1986 0 : status = NT_STATUS_INVALID_PARAMETER;
1987 0 : break;
1988 : }
1989 :
1990 0 : status = serverinfo_to_SamInfo6(server_info,
1991 0 : r->out.validation->sam6);
1992 0 : break;
1993 : }
1994 :
1995 326 : TALLOC_FREE(server_info);
1996 :
1997 326 : if (!NT_STATUS_IS_OK(status)) {
1998 0 : return status;
1999 : }
2000 :
2001 652 : status = netlogon_creds_encrypt_samlogon_validation(creds,
2002 326 : r->in.validation_level,
2003 : r->out.validation);
2004 :
2005 326 : return status;
2006 : }
2007 :
2008 : /****************************************************************
2009 : _netr_LogonSamLogonWithFlags
2010 : ****************************************************************/
2011 :
2012 384 : NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
2013 : struct netr_LogonSamLogonWithFlags *r)
2014 : {
2015 : NTSTATUS status;
2016 : struct netlogon_creds_CredentialState *creds;
2017 : struct netr_LogonSamLogonEx r2;
2018 : struct netr_Authenticator return_authenticator;
2019 :
2020 384 : *r->out.authoritative = true;
2021 :
2022 384 : r2.in.server_name = r->in.server_name;
2023 384 : r2.in.computer_name = r->in.computer_name;
2024 384 : r2.in.logon_level = r->in.logon_level;
2025 384 : r2.in.logon = r->in.logon;
2026 384 : r2.in.validation_level = r->in.validation_level;
2027 384 : r2.in.flags = r->in.flags;
2028 384 : r2.out.validation = r->out.validation;
2029 384 : r2.out.authoritative = r->out.authoritative;
2030 384 : r2.out.flags = r->out.flags;
2031 :
2032 384 : status = _netr_LogonSamLogon_check(&r2);
2033 384 : if (!NT_STATUS_IS_OK(status)) {
2034 160 : return status;
2035 : }
2036 :
2037 224 : become_root();
2038 224 : status = netr_creds_server_step_check(p, p->mem_ctx,
2039 : r->in.computer_name,
2040 : r->in.credential,
2041 : &return_authenticator,
2042 : &creds);
2043 224 : unbecome_root();
2044 224 : if (!NT_STATUS_IS_OK(status)) {
2045 0 : return status;
2046 : }
2047 :
2048 224 : status = _netr_LogonSamLogon_base(p, &r2, creds);
2049 :
2050 224 : *r->out.return_authenticator = return_authenticator;
2051 :
2052 224 : return status;
2053 : }
2054 :
2055 : /*************************************************************************
2056 : _netr_LogonSamLogon
2057 : *************************************************************************/
2058 :
2059 384 : NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
2060 : struct netr_LogonSamLogon *r)
2061 : {
2062 : NTSTATUS status;
2063 : struct netr_LogonSamLogonWithFlags r2;
2064 384 : uint32_t flags = 0;
2065 :
2066 384 : r2.in.server_name = r->in.server_name;
2067 384 : r2.in.computer_name = r->in.computer_name;
2068 384 : r2.in.credential = r->in.credential;
2069 384 : r2.in.logon_level = r->in.logon_level;
2070 384 : r2.in.logon = r->in.logon;
2071 384 : r2.in.validation_level = r->in.validation_level;
2072 384 : r2.in.return_authenticator = r->in.return_authenticator;
2073 384 : r2.in.flags = &flags;
2074 384 : r2.out.validation = r->out.validation;
2075 384 : r2.out.authoritative = r->out.authoritative;
2076 384 : r2.out.flags = &flags;
2077 384 : r2.out.return_authenticator = r->out.return_authenticator;
2078 :
2079 384 : status = _netr_LogonSamLogonWithFlags(p, &r2);
2080 :
2081 384 : return status;
2082 : }
2083 :
2084 : /*************************************************************************
2085 : _netr_LogonSamLogonEx
2086 : - no credential chaining. Map into net sam logon.
2087 : *************************************************************************/
2088 :
2089 639 : NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
2090 : struct netr_LogonSamLogonEx *r)
2091 : {
2092 : NTSTATUS status;
2093 639 : struct netlogon_creds_CredentialState *creds = NULL;
2094 : struct loadparm_context *lp_ctx;
2095 :
2096 639 : *r->out.authoritative = true;
2097 :
2098 639 : status = _netr_LogonSamLogon_check(r);
2099 639 : if (!NT_STATUS_IS_OK(status)) {
2100 297 : return status;
2101 : }
2102 :
2103 : /* Only allow this if the pipe is protected. */
2104 342 : if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
2105 8 : DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
2106 : get_remote_machine_name() ));
2107 8 : return NT_STATUS_INVALID_PARAMETER;
2108 : }
2109 :
2110 334 : lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2111 334 : if (lp_ctx == NULL) {
2112 0 : DEBUG(0, ("loadparm_init_s3 failed\n"));
2113 0 : return NT_STATUS_INTERNAL_ERROR;
2114 : }
2115 :
2116 334 : become_root();
2117 334 : status = schannel_get_creds_state(p->mem_ctx, lp_ctx,
2118 : r->in.computer_name, &creds);
2119 334 : unbecome_root();
2120 334 : talloc_unlink(p->mem_ctx, lp_ctx);
2121 :
2122 334 : if (!NT_STATUS_IS_OK(status)) {
2123 0 : return status;
2124 : }
2125 :
2126 334 : status = _netr_LogonSamLogon_base(p, r, creds);
2127 334 : TALLOC_FREE(creds);
2128 :
2129 334 : return status;
2130 : }
2131 :
2132 : /*************************************************************************
2133 : _ds_enum_dom_trusts
2134 : *************************************************************************/
2135 : #if 0 /* JERRY -- not correct */
2136 : NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
2137 : DS_R_ENUM_DOM_TRUSTS *r_u)
2138 : {
2139 : NTSTATUS status = NT_STATUS_OK;
2140 :
2141 : /* TODO: According to MSDN, the can only be executed against a
2142 : DC or domain member running Windows 2000 or later. Need
2143 : to test against a standalone 2k server and see what it
2144 : does. A windows 2000 DC includes its own domain in the
2145 : list. --jerry */
2146 :
2147 : return status;
2148 : }
2149 : #endif /* JERRY */
2150 :
2151 :
2152 : /****************************************************************
2153 : ****************************************************************/
2154 :
2155 0 : WERROR _netr_LogonUasLogon(struct pipes_struct *p,
2156 : struct netr_LogonUasLogon *r)
2157 : {
2158 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2159 0 : return WERR_NOT_SUPPORTED;
2160 : }
2161 :
2162 : /****************************************************************
2163 : ****************************************************************/
2164 :
2165 0 : WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
2166 : struct netr_LogonUasLogoff *r)
2167 : {
2168 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2169 0 : return WERR_NOT_SUPPORTED;
2170 : }
2171 :
2172 : /****************************************************************
2173 : ****************************************************************/
2174 :
2175 0 : NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
2176 : struct netr_DatabaseDeltas *r)
2177 : {
2178 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2179 0 : return NT_STATUS_NOT_IMPLEMENTED;
2180 : }
2181 :
2182 : /****************************************************************
2183 : ****************************************************************/
2184 :
2185 0 : NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
2186 : struct netr_DatabaseSync *r)
2187 : {
2188 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2189 0 : return NT_STATUS_NOT_IMPLEMENTED;
2190 : }
2191 :
2192 : /****************************************************************
2193 : ****************************************************************/
2194 :
2195 0 : NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
2196 : struct netr_AccountDeltas *r)
2197 : {
2198 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2199 0 : return NT_STATUS_NOT_IMPLEMENTED;
2200 : }
2201 :
2202 : /****************************************************************
2203 : ****************************************************************/
2204 :
2205 0 : NTSTATUS _netr_AccountSync(struct pipes_struct *p,
2206 : struct netr_AccountSync *r)
2207 : {
2208 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2209 0 : return NT_STATUS_NOT_IMPLEMENTED;
2210 : }
2211 :
2212 : /****************************************************************
2213 : ****************************************************************/
2214 :
2215 0 : static bool wb_getdcname(TALLOC_CTX *mem_ctx,
2216 : const char *domain,
2217 : const char **dcname,
2218 : uint32_t flags,
2219 : WERROR *werr)
2220 : {
2221 : wbcErr result;
2222 0 : struct wbcDomainControllerInfo *dc_info = NULL;
2223 :
2224 0 : result = wbcLookupDomainController(domain,
2225 : flags,
2226 : &dc_info);
2227 0 : switch (result) {
2228 0 : case WBC_ERR_SUCCESS:
2229 0 : break;
2230 0 : case WBC_ERR_WINBIND_NOT_AVAILABLE:
2231 0 : return false;
2232 0 : case WBC_ERR_DOMAIN_NOT_FOUND:
2233 0 : *werr = WERR_NO_SUCH_DOMAIN;
2234 0 : return true;
2235 0 : default:
2236 0 : *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
2237 0 : return true;
2238 : }
2239 :
2240 0 : *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
2241 0 : wbcFreeMemory(dc_info);
2242 0 : if (!*dcname) {
2243 0 : *werr = WERR_NOT_ENOUGH_MEMORY;
2244 0 : return false;
2245 : }
2246 :
2247 0 : *werr = WERR_OK;
2248 :
2249 0 : return true;
2250 : }
2251 :
2252 : /****************************************************************
2253 : _netr_GetDcName
2254 : ****************************************************************/
2255 :
2256 0 : WERROR _netr_GetDcName(struct pipes_struct *p,
2257 : struct netr_GetDcName *r)
2258 : {
2259 : NTSTATUS status;
2260 : WERROR werr;
2261 : uint32_t flags;
2262 : struct netr_DsRGetDCNameInfo *info;
2263 : bool ret;
2264 :
2265 0 : ret = wb_getdcname(p->mem_ctx,
2266 : r->in.domainname,
2267 : r->out.dcname,
2268 : WBC_LOOKUP_DC_IS_FLAT_NAME |
2269 : WBC_LOOKUP_DC_RETURN_FLAT_NAME |
2270 : WBC_LOOKUP_DC_PDC_REQUIRED,
2271 : &werr);
2272 0 : if (ret == true) {
2273 0 : return werr;
2274 : }
2275 :
2276 0 : flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
2277 :
2278 0 : status = dsgetdcname(p->mem_ctx,
2279 : p->msg_ctx,
2280 : r->in.domainname,
2281 : NULL,
2282 : NULL,
2283 : flags,
2284 : &info);
2285 0 : if (!NT_STATUS_IS_OK(status)) {
2286 0 : return ntstatus_to_werror(status);
2287 : }
2288 :
2289 0 : *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2290 0 : talloc_free(info);
2291 0 : if (!*r->out.dcname) {
2292 0 : return WERR_NOT_ENOUGH_MEMORY;
2293 : }
2294 :
2295 0 : return WERR_OK;
2296 : }
2297 :
2298 : /****************************************************************
2299 : _netr_GetAnyDCName
2300 : ****************************************************************/
2301 :
2302 0 : WERROR _netr_GetAnyDCName(struct pipes_struct *p,
2303 : struct netr_GetAnyDCName *r)
2304 : {
2305 : NTSTATUS status;
2306 : WERROR werr;
2307 : uint32_t flags;
2308 : struct netr_DsRGetDCNameInfo *info;
2309 : bool ret;
2310 :
2311 0 : ret = wb_getdcname(p->mem_ctx,
2312 : r->in.domainname,
2313 : r->out.dcname,
2314 : WBC_LOOKUP_DC_IS_FLAT_NAME |
2315 : WBC_LOOKUP_DC_RETURN_FLAT_NAME,
2316 : &werr);
2317 0 : if (ret == true) {
2318 0 : return werr;
2319 : }
2320 :
2321 0 : flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
2322 :
2323 0 : status = dsgetdcname(p->mem_ctx,
2324 : p->msg_ctx,
2325 : r->in.domainname,
2326 : NULL,
2327 : NULL,
2328 : flags,
2329 : &info);
2330 0 : if (!NT_STATUS_IS_OK(status)) {
2331 0 : return ntstatus_to_werror(status);
2332 : }
2333 :
2334 0 : *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2335 0 : talloc_free(info);
2336 0 : if (!*r->out.dcname) {
2337 0 : return WERR_NOT_ENOUGH_MEMORY;
2338 : }
2339 :
2340 0 : return WERR_OK;
2341 : }
2342 :
2343 : /****************************************************************
2344 : ****************************************************************/
2345 :
2346 0 : NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
2347 : struct netr_DatabaseSync2 *r)
2348 : {
2349 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2350 0 : return NT_STATUS_NOT_IMPLEMENTED;
2351 : }
2352 :
2353 : /****************************************************************
2354 : ****************************************************************/
2355 :
2356 0 : NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
2357 : struct netr_DatabaseRedo *r)
2358 : {
2359 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2360 0 : return NT_STATUS_NOT_IMPLEMENTED;
2361 : }
2362 :
2363 : /****************************************************************
2364 : ****************************************************************/
2365 :
2366 0 : WERROR _netr_DsRGetDCName(struct pipes_struct *p,
2367 : struct netr_DsRGetDCName *r)
2368 : {
2369 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2370 0 : return WERR_NOT_SUPPORTED;
2371 : }
2372 :
2373 : /****************************************************************
2374 : ****************************************************************/
2375 :
2376 33 : NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
2377 : struct netr_LogonGetCapabilities *r)
2378 : {
2379 : struct netlogon_creds_CredentialState *creds;
2380 : NTSTATUS status;
2381 :
2382 33 : become_root();
2383 33 : status = netr_creds_server_step_check(p, p->mem_ctx,
2384 : r->in.computer_name,
2385 : r->in.credential,
2386 : r->out.return_authenticator,
2387 : &creds);
2388 33 : unbecome_root();
2389 33 : if (!NT_STATUS_IS_OK(status)) {
2390 0 : return status;
2391 : }
2392 :
2393 33 : if (r->in.query_level != 1) {
2394 0 : return NT_STATUS_NOT_SUPPORTED;
2395 : }
2396 :
2397 33 : r->out.capabilities->server_capabilities = creds->negotiate_flags;
2398 :
2399 33 : return NT_STATUS_OK;
2400 : }
2401 :
2402 : /****************************************************************
2403 : ****************************************************************/
2404 :
2405 0 : WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
2406 : struct netr_NETRLOGONSETSERVICEBITS *r)
2407 : {
2408 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2409 0 : return WERR_NOT_SUPPORTED;
2410 : }
2411 :
2412 : /****************************************************************
2413 : ****************************************************************/
2414 :
2415 0 : WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
2416 : struct netr_LogonGetTrustRid *r)
2417 : {
2418 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2419 0 : return WERR_NOT_SUPPORTED;
2420 : }
2421 :
2422 : /****************************************************************
2423 : ****************************************************************/
2424 :
2425 0 : WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
2426 : struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
2427 : {
2428 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2429 0 : return WERR_NOT_SUPPORTED;
2430 : }
2431 :
2432 : /****************************************************************
2433 : ****************************************************************/
2434 :
2435 0 : WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
2436 : struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
2437 : {
2438 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2439 0 : return WERR_NOT_SUPPORTED;
2440 : }
2441 :
2442 : /****************************************************************
2443 : ****************************************************************/
2444 :
2445 0 : WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
2446 : struct netr_DsRGetDCNameEx *r)
2447 : {
2448 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2449 0 : return WERR_NOT_SUPPORTED;
2450 : }
2451 :
2452 : /****************************************************************
2453 : ****************************************************************/
2454 :
2455 0 : WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
2456 : struct netr_DsRGetSiteName *r)
2457 : {
2458 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2459 0 : return WERR_NOT_SUPPORTED;
2460 : }
2461 :
2462 : /****************************************************************
2463 : ****************************************************************/
2464 :
2465 0 : NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
2466 : struct netr_LogonGetDomainInfo *r)
2467 : {
2468 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2469 0 : return NT_STATUS_NOT_IMPLEMENTED;
2470 : }
2471 :
2472 : /****************************************************************
2473 : ****************************************************************/
2474 :
2475 0 : NTSTATUS _netr_ServerPasswordGet(struct pipes_struct *p,
2476 : struct netr_ServerPasswordGet *r)
2477 : {
2478 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2479 0 : return NT_STATUS_NOT_SUPPORTED;
2480 : }
2481 :
2482 : /****************************************************************
2483 : ****************************************************************/
2484 :
2485 0 : NTSTATUS _netr_NetrLogonSendToSam(struct pipes_struct *p,
2486 : struct netr_NetrLogonSendToSam *r)
2487 : {
2488 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2489 0 : return NT_STATUS_NOT_IMPLEMENTED;
2490 : }
2491 :
2492 : /****************************************************************
2493 : ****************************************************************/
2494 :
2495 0 : WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
2496 : struct netr_DsRAddressToSitenamesW *r)
2497 : {
2498 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2499 0 : return WERR_NOT_SUPPORTED;
2500 : }
2501 :
2502 : /****************************************************************
2503 : ****************************************************************/
2504 :
2505 0 : WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
2506 : struct netr_DsRGetDCNameEx2 *r)
2507 : {
2508 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2509 0 : return WERR_NOT_SUPPORTED;
2510 : }
2511 :
2512 : /****************************************************************
2513 : ****************************************************************/
2514 :
2515 0 : WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
2516 : struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
2517 : {
2518 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2519 0 : return WERR_NOT_SUPPORTED;
2520 : }
2521 :
2522 : /****************************************************************
2523 : ****************************************************************/
2524 :
2525 0 : WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
2526 : struct netr_NetrEnumerateTrustedDomainsEx *r)
2527 : {
2528 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2529 0 : return WERR_NOT_SUPPORTED;
2530 : }
2531 :
2532 : /****************************************************************
2533 : ****************************************************************/
2534 :
2535 0 : WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
2536 : struct netr_DsRAddressToSitenamesExW *r)
2537 : {
2538 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2539 0 : return WERR_NOT_SUPPORTED;
2540 : }
2541 :
2542 : /****************************************************************
2543 : ****************************************************************/
2544 :
2545 0 : WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
2546 : struct netr_DsrGetDcSiteCoverageW *r)
2547 : {
2548 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2549 0 : return WERR_NOT_SUPPORTED;
2550 : }
2551 :
2552 : /****************************************************************
2553 : ****************************************************************/
2554 :
2555 0 : WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
2556 : struct netr_DsrEnumerateDomainTrusts *r)
2557 : {
2558 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2559 0 : return WERR_NOT_SUPPORTED;
2560 : }
2561 :
2562 : /****************************************************************
2563 : ****************************************************************/
2564 :
2565 0 : WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
2566 : struct netr_DsrDeregisterDNSHostRecords *r)
2567 : {
2568 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2569 0 : return WERR_NOT_SUPPORTED;
2570 : }
2571 :
2572 : /****************************************************************
2573 : ****************************************************************/
2574 :
2575 0 : NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
2576 : struct netr_ServerTrustPasswordsGet *r)
2577 : {
2578 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2579 0 : return NT_STATUS_NOT_IMPLEMENTED;
2580 : }
2581 :
2582 : /****************************************************************
2583 : ****************************************************************/
2584 :
2585 0 : static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2586 : struct lsa_ForestTrustInformation *info)
2587 : {
2588 : struct lsa_ForestTrustRecord *e;
2589 : struct pdb_domain_info *dom_info;
2590 : struct lsa_ForestTrustDomainInfo *domain_info;
2591 0 : char **upn_suffixes = NULL;
2592 0 : uint32_t num_suffixes = 0;
2593 0 : uint32_t i = 0;
2594 : NTSTATUS status;
2595 :
2596 0 : dom_info = pdb_get_domain_info(mem_ctx);
2597 0 : if (dom_info == NULL) {
2598 0 : return NT_STATUS_NO_MEMORY;
2599 : }
2600 :
2601 0 : info->count = 2;
2602 :
2603 0 : become_root();
2604 0 : status = pdb_enum_upn_suffixes(info, &num_suffixes, &upn_suffixes);
2605 0 : unbecome_root();
2606 0 : if (NT_STATUS_IS_OK(status) && (num_suffixes > 0)) {
2607 0 : info->count += num_suffixes;
2608 : }
2609 :
2610 0 : info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, info->count);
2611 0 : if (info->entries == NULL) {
2612 0 : return NT_STATUS_NO_MEMORY;
2613 : }
2614 :
2615 0 : e = talloc(info, struct lsa_ForestTrustRecord);
2616 0 : if (e == NULL) {
2617 0 : return NT_STATUS_NO_MEMORY;
2618 : }
2619 :
2620 0 : e->flags = 0;
2621 0 : e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2622 0 : e->time = 0; /* so far always 0 in trces. */
2623 0 : e->forest_trust_data.top_level_name.string = talloc_steal(info,
2624 : dom_info->dns_forest);
2625 :
2626 0 : info->entries[0] = e;
2627 :
2628 0 : if (num_suffixes > 0) {
2629 0 : for (i = 0; i < num_suffixes ; i++) {
2630 0 : e = talloc(info, struct lsa_ForestTrustRecord);
2631 0 : if (e == NULL) {
2632 0 : return NT_STATUS_NO_MEMORY;
2633 : }
2634 :
2635 0 : e->flags = 0;
2636 0 : e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2637 0 : e->time = 0; /* so far always 0 in traces. */
2638 0 : e->forest_trust_data.top_level_name.string = upn_suffixes[i];
2639 0 : info->entries[1 + i] = e;
2640 : }
2641 : }
2642 :
2643 0 : e = talloc(info, struct lsa_ForestTrustRecord);
2644 0 : if (e == NULL) {
2645 0 : return NT_STATUS_NO_MEMORY;
2646 : }
2647 :
2648 : /* TODO: check if disabled and set flags accordingly */
2649 0 : e->flags = 0;
2650 0 : e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2651 0 : e->time = 0; /* so far always 0 in traces. */
2652 :
2653 0 : domain_info = &e->forest_trust_data.domain_info;
2654 0 : domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2655 :
2656 0 : domain_info->dns_domain_name.string = talloc_steal(info,
2657 : dom_info->dns_domain);
2658 0 : domain_info->netbios_domain_name.string = talloc_steal(info,
2659 : dom_info->name);
2660 :
2661 0 : info->entries[info->count - 1] = e;
2662 :
2663 0 : return NT_STATUS_OK;
2664 : }
2665 :
2666 : /****************************************************************
2667 : ****************************************************************/
2668 :
2669 0 : WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2670 : struct netr_DsRGetForestTrustInformation *r)
2671 : {
2672 : NTSTATUS status;
2673 : struct lsa_ForestTrustInformation *info, **info_ptr;
2674 : enum security_user_level security_level;
2675 :
2676 0 : security_level = security_session_user_level(p->session_info, NULL);
2677 0 : if (security_level < SECURITY_USER) {
2678 0 : return WERR_ACCESS_DENIED;
2679 : }
2680 :
2681 0 : if (r->in.flags & (~DS_GFTI_UPDATE_TDO)) {
2682 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2683 0 : return WERR_INVALID_FLAGS;
2684 : }
2685 :
2686 0 : if ((r->in.flags & DS_GFTI_UPDATE_TDO) && (lp_server_role() != ROLE_DOMAIN_PDC)) {
2687 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2688 0 : return WERR_NERR_NOTPRIMARY;
2689 : }
2690 :
2691 0 : if ((r->in.trusted_domain_name == NULL) && (r->in.flags & DS_GFTI_UPDATE_TDO)) {
2692 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2693 0 : return WERR_INVALID_PARAMETER;
2694 : }
2695 :
2696 : /* retrieve forest trust information and stop further processing */
2697 0 : if (r->in.trusted_domain_name == NULL) {
2698 0 : info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2699 0 : if (info_ptr == NULL) {
2700 0 : p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2701 0 : return WERR_NOT_ENOUGH_MEMORY;
2702 : }
2703 0 : info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2704 0 : if (info == NULL) {
2705 0 : p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2706 0 : return WERR_NOT_ENOUGH_MEMORY;
2707 : }
2708 :
2709 : /* Fill forest trust information and expand UPN suffixes list */
2710 0 : status = fill_forest_trust_array(p->mem_ctx, info);
2711 0 : if (!NT_STATUS_IS_OK(status)) {
2712 0 : p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2713 0 : return WERR_NOT_ENOUGH_MEMORY;
2714 : }
2715 :
2716 0 : *info_ptr = info;
2717 0 : r->out.forest_trust_info = info_ptr;
2718 :
2719 0 : return WERR_OK;
2720 :
2721 : }
2722 :
2723 : /* TODO: implement remaining parts of DsrGetForestTrustInformation (opnum 43)
2724 : * when trusted_domain_name is not NULL */
2725 :
2726 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2727 0 : return WERR_NOT_SUPPORTED;
2728 : }
2729 :
2730 : /****************************************************************
2731 : _netr_GetForestTrustInformation
2732 : ****************************************************************/
2733 :
2734 0 : NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2735 : struct netr_GetForestTrustInformation *r)
2736 : {
2737 : NTSTATUS status;
2738 : struct netlogon_creds_CredentialState *creds;
2739 : struct lsa_ForestTrustInformation *info, **info_ptr;
2740 :
2741 : /* TODO: check server name */
2742 :
2743 0 : become_root();
2744 0 : status = netr_creds_server_step_check(p, p->mem_ctx,
2745 : r->in.computer_name,
2746 : r->in.credential,
2747 : r->out.return_authenticator,
2748 : &creds);
2749 0 : unbecome_root();
2750 0 : if (!NT_STATUS_IS_OK(status)) {
2751 0 : return status;
2752 : }
2753 :
2754 0 : if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2755 0 : (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2756 0 : return NT_STATUS_NOT_IMPLEMENTED;
2757 : }
2758 :
2759 0 : info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2760 0 : if (!info_ptr) {
2761 0 : return NT_STATUS_NO_MEMORY;
2762 : }
2763 0 : info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2764 0 : if (!info) {
2765 0 : return NT_STATUS_NO_MEMORY;
2766 : }
2767 :
2768 : /* Fill forest trust information, do expand UPN suffixes list */
2769 0 : status = fill_forest_trust_array(p->mem_ctx, info);
2770 0 : if (!NT_STATUS_IS_OK(status)) {
2771 0 : return status;
2772 : }
2773 :
2774 0 : *info_ptr = info;
2775 0 : r->out.forest_trust_info = info_ptr;
2776 :
2777 0 : return NT_STATUS_OK;
2778 : }
2779 :
2780 : /****************************************************************
2781 : ****************************************************************/
2782 :
2783 0 : static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2784 : const DATA_BLOB *trustAuth_blob,
2785 : struct netlogon_creds_CredentialState *creds,
2786 : struct samr_Password *current_pw_enc,
2787 : struct samr_Password *previous_pw_enc)
2788 : {
2789 : enum ndr_err_code ndr_err;
2790 : struct trustAuthInOutBlob trustAuth;
2791 : NTSTATUS status;
2792 :
2793 0 : ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2794 : (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2795 0 : if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2796 0 : return NT_STATUS_UNSUCCESSFUL;
2797 : }
2798 :
2799 0 : if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2800 0 : trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2801 0 : mdfour(current_pw_enc->hash,
2802 0 : trustAuth.current.array[0].AuthInfo.clear.password,
2803 0 : trustAuth.current.array[0].AuthInfo.clear.size);
2804 0 : status = netlogon_creds_des_encrypt(creds, current_pw_enc);
2805 0 : if (!NT_STATUS_IS_OK(status)) {
2806 0 : return status;
2807 : }
2808 : } else {
2809 0 : return NT_STATUS_UNSUCCESSFUL;
2810 : }
2811 :
2812 :
2813 0 : if (trustAuth.previous.count != 0 &&
2814 0 : trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2815 0 : mdfour(previous_pw_enc->hash,
2816 0 : trustAuth.previous.array[0].AuthInfo.clear.password,
2817 0 : trustAuth.previous.array[0].AuthInfo.clear.size);
2818 0 : status = netlogon_creds_des_encrypt(creds, previous_pw_enc);
2819 0 : if (!NT_STATUS_IS_OK(status)) {
2820 0 : return status;
2821 : }
2822 : } else {
2823 0 : ZERO_STRUCTP(previous_pw_enc);
2824 : }
2825 :
2826 0 : return NT_STATUS_OK;
2827 : }
2828 :
2829 : /****************************************************************
2830 : _netr_ServerGetTrustInfo
2831 : ****************************************************************/
2832 :
2833 0 : NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2834 : struct netr_ServerGetTrustInfo *r)
2835 : {
2836 : NTSTATUS status;
2837 : struct netlogon_creds_CredentialState *creds;
2838 : char *account_name;
2839 : size_t account_name_last;
2840 : bool trusted;
2841 : struct netr_TrustInfo *trust_info;
2842 : struct pdb_trusted_domain *td;
2843 :
2844 : /* TODO: check server name */
2845 :
2846 0 : become_root();
2847 0 : status = netr_creds_server_step_check(p, p->mem_ctx,
2848 : r->in.computer_name,
2849 : r->in.credential,
2850 : r->out.return_authenticator,
2851 : &creds);
2852 0 : unbecome_root();
2853 0 : if (!NT_STATUS_IS_OK(status)) {
2854 0 : return status;
2855 : }
2856 :
2857 0 : account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2858 0 : if (account_name == NULL) {
2859 0 : return NT_STATUS_NO_MEMORY;
2860 : }
2861 :
2862 0 : account_name_last = strlen(account_name);
2863 0 : if (account_name_last == 0) {
2864 0 : return NT_STATUS_INVALID_PARAMETER;
2865 : }
2866 0 : account_name_last--;
2867 0 : if (account_name[account_name_last] == '.') {
2868 0 : account_name[account_name_last] = '\0';
2869 : }
2870 :
2871 0 : if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2872 0 : (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2873 0 : trusted = false;
2874 : } else {
2875 0 : trusted = true;
2876 : }
2877 :
2878 :
2879 0 : if (trusted) {
2880 0 : account_name_last = strlen(account_name);
2881 0 : if (account_name_last == 0) {
2882 0 : return NT_STATUS_INVALID_PARAMETER;
2883 : }
2884 0 : account_name_last--;
2885 0 : if (account_name[account_name_last] == '$') {
2886 0 : account_name[account_name_last] = '\0';
2887 : }
2888 :
2889 0 : status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2890 0 : if (!NT_STATUS_IS_OK(status)) {
2891 0 : return status;
2892 : }
2893 :
2894 0 : if (r->out.trust_info != NULL) {
2895 0 : trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2896 0 : if (trust_info == NULL) {
2897 0 : return NT_STATUS_NO_MEMORY;
2898 : }
2899 0 : trust_info->count = 1;
2900 :
2901 0 : trust_info->data = talloc_array(trust_info, uint32_t, 1);
2902 0 : if (trust_info->data == NULL) {
2903 0 : return NT_STATUS_NO_MEMORY;
2904 : }
2905 0 : trust_info->data[0] = td->trust_attributes;
2906 :
2907 0 : *r->out.trust_info = trust_info;
2908 : }
2909 :
2910 0 : if (td->trust_auth_incoming.data == NULL) {
2911 0 : return NT_STATUS_INVALID_PARAMETER;
2912 : }
2913 :
2914 0 : status = get_password_from_trustAuth(p->mem_ctx,
2915 0 : &td->trust_auth_incoming,
2916 : creds,
2917 : r->out.new_owf_password,
2918 : r->out.old_owf_password);
2919 :
2920 0 : if (!NT_STATUS_IS_OK(status)) {
2921 0 : return status;
2922 : }
2923 :
2924 : } else {
2925 : /* TODO: look for machine password */
2926 0 : ZERO_STRUCTP(r->out.new_owf_password);
2927 0 : ZERO_STRUCTP(r->out.old_owf_password);
2928 :
2929 0 : return NT_STATUS_NOT_IMPLEMENTED;
2930 : }
2931 :
2932 0 : return NT_STATUS_OK;
2933 : }
2934 :
2935 : /****************************************************************
2936 : ****************************************************************/
2937 :
2938 0 : NTSTATUS _netr_Unused47(struct pipes_struct *p,
2939 : struct netr_Unused47 *r)
2940 : {
2941 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2942 0 : return NT_STATUS_NOT_IMPLEMENTED;
2943 : }
2944 :
2945 : /****************************************************************
2946 : ****************************************************************/
2947 :
2948 0 : NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2949 : struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2950 : {
2951 0 : p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2952 0 : return NT_STATUS_NOT_IMPLEMENTED;
2953 : }
2954 :
2955 : /* include the generated boilerplate */
2956 : #include "librpc/gen_ndr/ndr_netlogon_scompat.c"
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