1 /*
2    Unix SMB/CIFS implementation.
3    NT Domain Authentication SMB / MSRPC client
4    Copyright (C) Andrew Tridgell 1992-2000
5    Copyright (C) Jeremy Allison                    1998.
6    Largely re-written by Jeremy Allison (C)	   2005.
7    Copyright (C) Guenther Deschner                 2008.
8 
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 3 of the License, or
12    (at your option) any later version.
13 
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18 
19    You should have received a copy of the GNU General Public License
20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 */
22 
23 #include "includes.h"
24 #include "system/filesys.h"
25 #include "libsmb/libsmb.h"
26 #include "rpc_client/rpc_client.h"
27 #include "rpc_client/cli_pipe.h"
28 #include "../libcli/auth/libcli_auth.h"
29 #include "../libcli/auth/netlogon_creds_cli.h"
30 #include "../librpc/gen_ndr/ndr_netlogon_c.h"
31 #include "../librpc/gen_ndr/schannel.h"
32 #include "rpc_client/cli_netlogon.h"
33 #include "rpc_client/util_netlogon.h"
34 #include "../libcli/security/security.h"
35 #include "lib/param/param.h"
36 #include "libcli/smb/smbXcli_base.h"
37 #include "dbwrap/dbwrap.h"
38 #include "dbwrap/dbwrap_open.h"
39 #include "util_tdb.h"
40 #include "lib/crypto/gnutls_helpers.h"
41 
42 
rpccli_pre_open_netlogon_creds(void)43 NTSTATUS rpccli_pre_open_netlogon_creds(void)
44 {
45 	static bool already_open = false;
46 	TALLOC_CTX *frame;
47 	struct loadparm_context *lp_ctx;
48 	char *fname;
49 	struct db_context *global_db;
50 	NTSTATUS status;
51 
52 	if (already_open) {
53 		return NT_STATUS_OK;
54 	}
55 
56 	frame = talloc_stackframe();
57 
58 	lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
59 	if (lp_ctx == NULL) {
60 		TALLOC_FREE(frame);
61 		return NT_STATUS_NO_MEMORY;
62 	}
63 
64 	fname = lpcfg_private_db_path(frame, lp_ctx, "netlogon_creds_cli");
65 	if (fname == NULL) {
66 		TALLOC_FREE(frame);
67 		return NT_STATUS_NO_MEMORY;
68 	}
69 
70 	global_db = db_open(frame, fname,
71 			    0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH,
72 			    O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
73 			    DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS);
74 	if (global_db == NULL) {
75 		TALLOC_FREE(frame);
76 		return NT_STATUS_NO_MEMORY;
77 	}
78 
79 	status = netlogon_creds_cli_set_global_db(&global_db);
80 	TALLOC_FREE(frame);
81 	if (!NT_STATUS_IS_OK(status)) {
82 		return status;
83 	}
84 
85 	already_open = true;
86 	return NT_STATUS_OK;
87 }
88 
rpccli_create_netlogon_creds(const char * server_computer,const char * server_netbios_domain,const char * server_dns_domain,const char * client_account,enum netr_SchannelType sec_chan_type,struct messaging_context * msg_ctx,TALLOC_CTX * mem_ctx,struct netlogon_creds_cli_context ** netlogon_creds)89 static NTSTATUS rpccli_create_netlogon_creds(
90 	const char *server_computer,
91 	const char *server_netbios_domain,
92 	const char *server_dns_domain,
93 	const char *client_account,
94 	enum netr_SchannelType sec_chan_type,
95 	struct messaging_context *msg_ctx,
96 	TALLOC_CTX *mem_ctx,
97 	struct netlogon_creds_cli_context **netlogon_creds)
98 {
99 	TALLOC_CTX *frame = talloc_stackframe();
100 	struct loadparm_context *lp_ctx;
101 	NTSTATUS status;
102 
103 	status = rpccli_pre_open_netlogon_creds();
104 	if (!NT_STATUS_IS_OK(status)) {
105 		TALLOC_FREE(frame);
106 		return status;
107 	}
108 
109 	lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
110 	if (lp_ctx == NULL) {
111 		TALLOC_FREE(frame);
112 		return NT_STATUS_NO_MEMORY;
113 	}
114 	status = netlogon_creds_cli_context_global(lp_ctx,
115 						   msg_ctx,
116 						   client_account,
117 						   sec_chan_type,
118 						   server_computer,
119 						   server_netbios_domain,
120 						   server_dns_domain,
121 						   mem_ctx, netlogon_creds);
122 	TALLOC_FREE(frame);
123 	if (!NT_STATUS_IS_OK(status)) {
124 		return status;
125 	}
126 
127 	return NT_STATUS_OK;
128 }
129 
rpccli_create_netlogon_creds_ctx(struct cli_credentials * creds,const char * server_computer,struct messaging_context * msg_ctx,TALLOC_CTX * mem_ctx,struct netlogon_creds_cli_context ** creds_ctx)130 NTSTATUS rpccli_create_netlogon_creds_ctx(
131 	struct cli_credentials *creds,
132 	const char *server_computer,
133 	struct messaging_context *msg_ctx,
134 	TALLOC_CTX *mem_ctx,
135 	struct netlogon_creds_cli_context **creds_ctx)
136 {
137 	enum netr_SchannelType sec_chan_type;
138 	const char *server_netbios_domain;
139 	const char *server_dns_domain;
140 	const char *client_account;
141 
142 	sec_chan_type = cli_credentials_get_secure_channel_type(creds);
143 	client_account = cli_credentials_get_username(creds);
144 	server_netbios_domain = cli_credentials_get_domain(creds);
145 	server_dns_domain = cli_credentials_get_realm(creds);
146 
147 	return rpccli_create_netlogon_creds(server_computer,
148 					    server_netbios_domain,
149 					    server_dns_domain,
150 					    client_account,
151 					    sec_chan_type,
152 					    msg_ctx, mem_ctx,
153 					    creds_ctx);
154 }
155 
rpccli_setup_netlogon_creds_locked(struct cli_state * cli,enum dcerpc_transport_t transport,struct netlogon_creds_cli_context * creds_ctx,bool force_reauth,struct cli_credentials * cli_creds,uint32_t * negotiate_flags)156 NTSTATUS rpccli_setup_netlogon_creds_locked(
157 	struct cli_state *cli,
158 	enum dcerpc_transport_t transport,
159 	struct netlogon_creds_cli_context *creds_ctx,
160 	bool force_reauth,
161 	struct cli_credentials *cli_creds,
162 	uint32_t *negotiate_flags)
163 {
164 	TALLOC_CTX *frame = talloc_stackframe();
165 	struct rpc_pipe_client *netlogon_pipe = NULL;
166 	struct netlogon_creds_CredentialState *creds = NULL;
167 	uint8_t num_nt_hashes = 0;
168 	const struct samr_Password *nt_hashes[2] = { NULL, NULL };
169 	uint8_t idx_nt_hashes = 0;
170 	NTSTATUS status;
171 
172 	status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
173 	if (NT_STATUS_IS_OK(status)) {
174 		const char *action = "using";
175 
176 		if (force_reauth) {
177 			action = "overwrite";
178 		}
179 
180 		DEBUG(5,("%s: %s cached netlogon_creds cli[%s/%s] to %s\n",
181 			 __FUNCTION__, action,
182 			 creds->account_name, creds->computer_name,
183 			 smbXcli_conn_remote_name(cli->conn)));
184 		if (!force_reauth) {
185 			goto done;
186 		}
187 		TALLOC_FREE(creds);
188 	}
189 
190 	nt_hashes[0] = cli_credentials_get_nt_hash(cli_creds, talloc_tos());
191 	if (nt_hashes[0] == NULL) {
192 		TALLOC_FREE(frame);
193 		return NT_STATUS_NO_MEMORY;
194 	}
195 	num_nt_hashes = 1;
196 
197 	nt_hashes[1] = cli_credentials_get_old_nt_hash(cli_creds,
198 						       talloc_tos());
199 	if (nt_hashes[1] != NULL) {
200 		num_nt_hashes = 2;
201 	}
202 
203 	status = cli_rpc_pipe_open_noauth_transport(cli,
204 						    transport,
205 						    &ndr_table_netlogon,
206 						    &netlogon_pipe);
207 	if (!NT_STATUS_IS_OK(status)) {
208 		DEBUG(5,("%s: failed to open noauth netlogon connection to %s - %s\n",
209 			 __FUNCTION__,
210 			 smbXcli_conn_remote_name(cli->conn),
211 			 nt_errstr(status)));
212 		TALLOC_FREE(frame);
213 		return status;
214 	}
215 	talloc_steal(frame, netlogon_pipe);
216 
217 	status = netlogon_creds_cli_auth(creds_ctx,
218 					 netlogon_pipe->binding_handle,
219 					 num_nt_hashes,
220 					 nt_hashes,
221 					 &idx_nt_hashes);
222 	if (!NT_STATUS_IS_OK(status)) {
223 		TALLOC_FREE(frame);
224 		return status;
225 	}
226 
227 	status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
228 	if (!NT_STATUS_IS_OK(status)) {
229 		TALLOC_FREE(frame);
230 		return NT_STATUS_INTERNAL_ERROR;
231 	}
232 
233 	DEBUG(5,("%s: using new netlogon_creds cli[%s/%s] to %s\n",
234 		 __FUNCTION__,
235 		 creds->account_name, creds->computer_name,
236 		 smbXcli_conn_remote_name(cli->conn)));
237 
238 done:
239 	if (negotiate_flags != NULL) {
240 		*negotiate_flags = creds->negotiate_flags;
241 	}
242 
243 	TALLOC_FREE(frame);
244 	return NT_STATUS_OK;
245 }
246 
rpccli_setup_netlogon_creds(struct cli_state * cli,enum dcerpc_transport_t transport,struct netlogon_creds_cli_context * creds_ctx,bool force_reauth,struct cli_credentials * cli_creds)247 NTSTATUS rpccli_setup_netlogon_creds(
248 	struct cli_state *cli,
249 	enum dcerpc_transport_t transport,
250 	struct netlogon_creds_cli_context *creds_ctx,
251 	bool force_reauth,
252 	struct cli_credentials *cli_creds)
253 {
254 	TALLOC_CTX *frame = talloc_stackframe();
255 	struct netlogon_creds_cli_lck *lck;
256 	NTSTATUS status;
257 
258 	status = netlogon_creds_cli_lck(
259 		creds_ctx, NETLOGON_CREDS_CLI_LCK_EXCLUSIVE,
260 		frame, &lck);
261 	if (!NT_STATUS_IS_OK(status)) {
262 		DBG_WARNING("netlogon_creds_cli_lck failed: %s\n",
263 			    nt_errstr(status));
264 		TALLOC_FREE(frame);
265 		return status;
266 	}
267 
268 	status = rpccli_setup_netlogon_creds_locked(
269 		cli, transport, creds_ctx, force_reauth, cli_creds, NULL);
270 
271 	TALLOC_FREE(frame);
272 
273 	return status;
274 }
275 
rpccli_connect_netlogon(struct cli_state * cli,enum dcerpc_transport_t transport,struct netlogon_creds_cli_context * creds_ctx,bool force_reauth,struct cli_credentials * trust_creds,struct rpc_pipe_client ** _rpccli)276 NTSTATUS rpccli_connect_netlogon(
277 	struct cli_state *cli,
278 	enum dcerpc_transport_t transport,
279 	struct netlogon_creds_cli_context *creds_ctx,
280 	bool force_reauth,
281 	struct cli_credentials *trust_creds,
282 	struct rpc_pipe_client **_rpccli)
283 {
284 	TALLOC_CTX *frame = talloc_stackframe();
285 	struct netlogon_creds_CredentialState *creds = NULL;
286 	enum netlogon_creds_cli_lck_type lck_type;
287 	enum netr_SchannelType sec_chan_type;
288 	struct netlogon_creds_cli_lck *lck = NULL;
289 	uint32_t negotiate_flags;
290 	uint8_t found_session_key[16] = {0};
291 	bool found_existing_creds = false;
292 	bool do_serverauth;
293 	struct rpc_pipe_client *rpccli;
294 	NTSTATUS status;
295 	bool retry = false;
296 
297 	sec_chan_type = cli_credentials_get_secure_channel_type(trust_creds);
298 	if (sec_chan_type == SEC_CHAN_NULL) {
299 		DBG_ERR("secure_channel_type gave SEC_CHAN_NULL\n");
300 		status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
301 		goto fail;
302 	}
303 
304 again:
305 
306 	/*
307 	 * See whether we can use existing netlogon_creds or
308 	 * whether we have to serverauthenticate.
309 	 */
310 	status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
311 
312 	if (NT_STATUS_IS_OK(status)) {
313 		int cmp = memcmp(found_session_key,
314 				 creds->session_key,
315 				 sizeof(found_session_key));
316 		found_existing_creds = (cmp != 0);
317 
318 		memcpy(found_session_key,
319 		       creds->session_key,
320 		       sizeof(found_session_key));
321 
322 		TALLOC_FREE(creds);
323 	}
324 
325 	lck_type = (force_reauth || !found_existing_creds) ?
326 		NETLOGON_CREDS_CLI_LCK_EXCLUSIVE :
327 		NETLOGON_CREDS_CLI_LCK_SHARED;
328 
329 	status = netlogon_creds_cli_lck(creds_ctx, lck_type, frame, &lck);
330 	if (!NT_STATUS_IS_OK(status)) {
331 		DBG_DEBUG("netlogon_creds_cli_lck failed: %s\n",
332 			  nt_errstr(status));
333 		goto fail;
334 	}
335 
336 	if (!found_existing_creds) {
337 		/*
338 		 * Try to find creds under the lock again. Someone
339 		 * else might have done it for us.
340 		 */
341 		status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
342 
343 		if (NT_STATUS_IS_OK(status)) {
344 			int cmp = memcmp(found_session_key,
345 					 creds->session_key,
346 					 sizeof(found_session_key));
347 			found_existing_creds = (cmp != 0);
348 
349 			memcpy(found_session_key, creds->session_key,
350 			       sizeof(found_session_key));
351 
352 			TALLOC_FREE(creds);
353 		}
354 	}
355 
356 	do_serverauth = force_reauth || !found_existing_creds;
357 
358 	if (!do_serverauth) {
359 		/*
360 		 * Do the quick schannel bind without a reauth
361 		 */
362 		status = cli_rpc_pipe_open_bind_schannel(
363 			cli, &ndr_table_netlogon, transport, creds_ctx,
364 			&rpccli);
365 		if (!retry && NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_ACCESS_DENIED)) {
366 			DBG_DEBUG("Retrying with serverauthenticate\n");
367 			TALLOC_FREE(lck);
368 			retry = true;
369 			goto again;
370 		}
371 		if (!NT_STATUS_IS_OK(status)) {
372 			DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
373 				  "failed: %s\n", nt_errstr(status));
374 			goto fail;
375 		}
376 		goto done;
377 	}
378 
379 	if (cli_credentials_is_anonymous(trust_creds)) {
380 		DBG_WARNING("get_trust_credential for %s only gave anonymous,"
381 			    "unable to negotiate NETLOGON credentials\n",
382 			    netlogon_creds_cli_debug_string(
383 				    creds_ctx, frame));
384 		status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
385 		goto fail;
386 	}
387 
388 	status = rpccli_setup_netlogon_creds_locked(
389 		cli, transport, creds_ctx, true, trust_creds,
390 		&negotiate_flags);
391 	if (!NT_STATUS_IS_OK(status)) {
392 		DBG_DEBUG("rpccli_setup_netlogon_creds failed for %s, "
393 			  "unable to setup NETLOGON credentials: %s\n",
394 			  netlogon_creds_cli_debug_string(
395 				  creds_ctx, frame),
396 			  nt_errstr(status));
397 		goto fail;
398 	}
399 
400 	if (!(negotiate_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
401 		if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
402 			status = NT_STATUS_DOWNGRADE_DETECTED;
403 			DBG_WARNING("Unwilling to make connection to %s"
404 				    "without connection level security, "
405 				    "must set 'winbind sealed pipes = false'"
406 				    " and 'require strong key = false' "
407 				    "to proceed: %s\n",
408 				    netlogon_creds_cli_debug_string(
409 					    creds_ctx, frame),
410 				    nt_errstr(status));
411 			goto fail;
412 		}
413 
414 		status = cli_rpc_pipe_open_noauth_transport(
415 			cli, transport, &ndr_table_netlogon, &rpccli);
416 		if (!NT_STATUS_IS_OK(status)) {
417 			DBG_DEBUG("cli_rpc_pipe_open_noauth_transport "
418 				  "failed: %s\n", nt_errstr(status));
419 			goto fail;
420 		}
421 		goto done;
422 	}
423 
424 	status = cli_rpc_pipe_open_bind_schannel(
425 		cli, &ndr_table_netlogon, transport, creds_ctx, &rpccli);
426 	if (!NT_STATUS_IS_OK(status)) {
427 		DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
428 			  "failed: %s\n", nt_errstr(status));
429 		goto fail;
430 	}
431 
432 	status = netlogon_creds_cli_check(creds_ctx, rpccli->binding_handle,
433 					  NULL);
434 	if (!NT_STATUS_IS_OK(status)) {
435 		DBG_WARNING("netlogon_creds_cli_check failed: %s\n",
436 			    nt_errstr(status));
437 		goto fail;
438 	}
439 
440 done:
441 	*_rpccli = rpccli;
442 	status = NT_STATUS_OK;
443 fail:
444 	ZERO_STRUCT(found_session_key);
445 	TALLOC_FREE(lck);
446 	TALLOC_FREE(frame);
447 	return status;
448 }
449 
450 /* Logon domain user */
451 
rpccli_netlogon_password_logon(struct netlogon_creds_cli_context * creds_ctx,struct dcerpc_binding_handle * binding_handle,TALLOC_CTX * mem_ctx,uint32_t logon_parameters,const char * domain,const char * username,const char * password,const char * workstation,const uint64_t logon_id,enum netr_LogonInfoClass logon_type,uint8_t * authoritative,uint32_t * flags,uint16_t * _validation_level,union netr_Validation ** _validation)452 NTSTATUS rpccli_netlogon_password_logon(
453 	struct netlogon_creds_cli_context *creds_ctx,
454 	struct dcerpc_binding_handle *binding_handle,
455 	TALLOC_CTX *mem_ctx,
456 	uint32_t logon_parameters,
457 	const char *domain,
458 	const char *username,
459 	const char *password,
460 	const char *workstation,
461 	const uint64_t logon_id,
462 	enum netr_LogonInfoClass logon_type,
463 	uint8_t *authoritative,
464 	uint32_t *flags,
465 	uint16_t *_validation_level,
466 	union netr_Validation **_validation)
467 {
468 	TALLOC_CTX *frame = talloc_stackframe();
469 	NTSTATUS status;
470 	union netr_LogonLevel *logon;
471 	uint16_t validation_level = 0;
472 	union netr_Validation *validation = NULL;
473 	char *workstation_slash = NULL;
474 
475 	unsigned char local_nt_response[24];
476 	unsigned char local_lm_response[24];
477 	struct samr_Password lmpassword = {.hash = {0}};
478 	struct samr_Password ntpassword = {.hash = {0}};
479 	struct netr_ChallengeResponse lm = {0};
480 	struct netr_ChallengeResponse nt = {0};
481 
482 	logon = talloc_zero(frame, union netr_LogonLevel);
483 	if (logon == NULL) {
484 		TALLOC_FREE(frame);
485 		return NT_STATUS_NO_MEMORY;
486 	}
487 
488 	if (workstation == NULL) {
489 		workstation = lp_netbios_name();
490 	}
491 
492 	workstation_slash = talloc_asprintf(frame, "\\\\%s", workstation);
493 	if (workstation_slash == NULL) {
494 		TALLOC_FREE(frame);
495 		return NT_STATUS_NO_MEMORY;
496 	}
497 
498 	/* Initialise input parameters */
499 
500 	switch (logon_type) {
501 	case NetlogonInteractiveInformation:
502 	case NetlogonInteractiveTransitiveInformation: {
503 
504 		struct netr_PasswordInfo *password_info;
505 
506 
507 		password_info = talloc_zero(frame, struct netr_PasswordInfo);
508 		if (password_info == NULL) {
509 			TALLOC_FREE(frame);
510 			return NT_STATUS_NO_MEMORY;
511 		}
512 
513 		nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
514 
515 		password_info->identity_info.domain_name.string		= domain;
516 		password_info->identity_info.parameter_control		= logon_parameters;
517 		password_info->identity_info.logon_id			= logon_id;
518 		password_info->identity_info.account_name.string	= username;
519 		password_info->identity_info.workstation.string		= workstation_slash;
520 
521 		password_info->lmpassword = lmpassword;
522 		password_info->ntpassword = ntpassword;
523 
524 		logon->password = password_info;
525 
526 		break;
527 	}
528 	case NetlogonNetworkInformation:
529 	case NetlogonNetworkTransitiveInformation: {
530 		struct netr_NetworkInfo *network_info;
531 		uint8_t chal[8];
532 		int rc;
533 
534 		ZERO_STRUCT(lm);
535 		ZERO_STRUCT(nt);
536 
537 		network_info = talloc_zero(frame, struct netr_NetworkInfo);
538 		if (network_info == NULL) {
539 			TALLOC_FREE(frame);
540 			return NT_STATUS_NO_MEMORY;
541 		}
542 
543 		generate_random_buffer(chal, 8);
544 
545 		SMBencrypt(password, chal, local_lm_response);
546 		rc = SMBNTencrypt(password, chal, local_nt_response);
547 		if (rc != 0) {
548 			TALLOC_FREE(frame);
549 			return gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
550 		}
551 
552 		lm.length = 24;
553 		lm.data = local_lm_response;
554 
555 		nt.length = 24;
556 		nt.data = local_nt_response;
557 
558 		network_info->identity_info.domain_name.string		= domain;
559 		network_info->identity_info.parameter_control		= logon_parameters;
560 		network_info->identity_info.logon_id			= logon_id;
561 		network_info->identity_info.account_name.string		= username;
562 		network_info->identity_info.workstation.string		= workstation_slash;
563 
564 		memcpy(network_info->challenge, chal, 8);
565 		network_info->nt = nt;
566 		network_info->lm = lm;
567 
568 		logon->network = network_info;
569 
570 		break;
571 	}
572 	default:
573 		DEBUG(0, ("switch value %d not supported\n",
574 			logon_type));
575 		TALLOC_FREE(frame);
576 		return NT_STATUS_INVALID_INFO_CLASS;
577 	}
578 
579 	status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
580 						  binding_handle,
581 						  logon_type,
582 						  logon,
583 						  mem_ctx,
584 						  &validation_level,
585 						  &validation,
586 						  authoritative,
587 						  flags);
588 	if (!NT_STATUS_IS_OK(status)) {
589 		TALLOC_FREE(frame);
590 		return status;
591 	}
592 
593 	TALLOC_FREE(frame);
594 	*_validation_level = validation_level;
595 	*_validation = validation;
596 
597 	return NT_STATUS_OK;
598 }
599 
600 /**
601  * Logon domain user with an 'network' SAM logon
602  *
603  * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
604  **/
605 
606 
rpccli_netlogon_network_logon(struct netlogon_creds_cli_context * creds_ctx,struct dcerpc_binding_handle * binding_handle,TALLOC_CTX * mem_ctx,uint32_t logon_parameters,const char * username,const char * domain,const char * workstation,const uint64_t logon_id,const uint8_t chal[8],DATA_BLOB lm_response,DATA_BLOB nt_response,enum netr_LogonInfoClass logon_type,uint8_t * authoritative,uint32_t * flags,uint16_t * _validation_level,union netr_Validation ** _validation)607 NTSTATUS rpccli_netlogon_network_logon(
608 	struct netlogon_creds_cli_context *creds_ctx,
609 	struct dcerpc_binding_handle *binding_handle,
610 	TALLOC_CTX *mem_ctx,
611 	uint32_t logon_parameters,
612 	const char *username,
613 	const char *domain,
614 	const char *workstation,
615 	const uint64_t logon_id,
616 	const uint8_t chal[8],
617 	DATA_BLOB lm_response,
618 	DATA_BLOB nt_response,
619 	enum netr_LogonInfoClass logon_type,
620 	uint8_t *authoritative,
621 	uint32_t *flags,
622 	uint16_t *_validation_level,
623 	union netr_Validation **_validation)
624 {
625 	NTSTATUS status;
626 	const char *workstation_name_slash;
627 	union netr_LogonLevel *logon = NULL;
628 	struct netr_NetworkInfo *network_info;
629 	uint16_t validation_level = 0;
630 	union netr_Validation *validation = NULL;
631 	struct netr_ChallengeResponse lm;
632 	struct netr_ChallengeResponse nt;
633 
634 	*_validation = NULL;
635 
636 	ZERO_STRUCT(lm);
637 	ZERO_STRUCT(nt);
638 
639 	switch (logon_type) {
640 	case NetlogonNetworkInformation:
641 	case NetlogonNetworkTransitiveInformation:
642 		break;
643 	default:
644 		DEBUG(0, ("switch value %d not supported\n",
645 			logon_type));
646 		return NT_STATUS_INVALID_INFO_CLASS;
647 	}
648 
649 	logon = talloc_zero(mem_ctx, union netr_LogonLevel);
650 	if (!logon) {
651 		return NT_STATUS_NO_MEMORY;
652 	}
653 
654 	network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
655 	if (!network_info) {
656 		return NT_STATUS_NO_MEMORY;
657 	}
658 
659 	if (workstation[0] != '\\' && workstation[1] != '\\') {
660 		workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
661 	} else {
662 		workstation_name_slash = workstation;
663 	}
664 
665 	if (!workstation_name_slash) {
666 		DEBUG(0, ("talloc_asprintf failed!\n"));
667 		return NT_STATUS_NO_MEMORY;
668 	}
669 
670 	/* Initialise input parameters */
671 
672 	lm.data = lm_response.data;
673 	lm.length = lm_response.length;
674 	nt.data = nt_response.data;
675 	nt.length = nt_response.length;
676 
677 	network_info->identity_info.domain_name.string		= domain;
678 	network_info->identity_info.parameter_control		= logon_parameters;
679 	network_info->identity_info.logon_id			= logon_id;
680 	network_info->identity_info.account_name.string		= username;
681 	network_info->identity_info.workstation.string		= workstation_name_slash;
682 
683 	memcpy(network_info->challenge, chal, 8);
684 	network_info->nt = nt;
685 	network_info->lm = lm;
686 
687 	logon->network = network_info;
688 
689 	/* Marshall data and send request */
690 
691 	status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
692 						  binding_handle,
693 						  logon_type,
694 						  logon,
695 						  mem_ctx,
696 						  &validation_level,
697 						  &validation,
698 						  authoritative,
699 						  flags);
700 	if (!NT_STATUS_IS_OK(status)) {
701 		return status;
702 	}
703 
704 	*_validation_level = validation_level;
705 	*_validation = validation;
706 
707 	return NT_STATUS_OK;
708 }
709 
rpccli_netlogon_interactive_logon(struct netlogon_creds_cli_context * creds_ctx,struct dcerpc_binding_handle * binding_handle,TALLOC_CTX * mem_ctx,uint32_t logon_parameters,const char * username,const char * domain,const char * workstation,const uint64_t logon_id,DATA_BLOB lm_hash,DATA_BLOB nt_hash,enum netr_LogonInfoClass logon_type,uint8_t * authoritative,uint32_t * flags,uint16_t * _validation_level,union netr_Validation ** _validation)710 NTSTATUS rpccli_netlogon_interactive_logon(
711 	struct netlogon_creds_cli_context *creds_ctx,
712 	struct dcerpc_binding_handle *binding_handle,
713 	TALLOC_CTX *mem_ctx,
714 	uint32_t logon_parameters,
715 	const char *username,
716 	const char *domain,
717 	const char *workstation,
718 	const uint64_t logon_id,
719 	DATA_BLOB lm_hash,
720 	DATA_BLOB nt_hash,
721 	enum netr_LogonInfoClass logon_type,
722 	uint8_t *authoritative,
723 	uint32_t *flags,
724 	uint16_t *_validation_level,
725 	union netr_Validation **_validation)
726 {
727 	TALLOC_CTX *frame = talloc_stackframe();
728 	NTSTATUS status;
729 	const char *workstation_name_slash;
730 	union netr_LogonLevel *logon = NULL;
731 	struct netr_PasswordInfo *password_info = NULL;
732 	uint16_t validation_level = 0;
733 	union netr_Validation *validation = NULL;
734 	struct netr_ChallengeResponse lm;
735 	struct netr_ChallengeResponse nt;
736 
737 	*_validation = NULL;
738 
739 	ZERO_STRUCT(lm);
740 	ZERO_STRUCT(nt);
741 
742 	switch (logon_type) {
743 	case NetlogonInteractiveInformation:
744 	case NetlogonInteractiveTransitiveInformation:
745 		break;
746 	default:
747 		DEBUG(0, ("switch value %d not supported\n",
748 			logon_type));
749 		TALLOC_FREE(frame);
750 		return NT_STATUS_INVALID_INFO_CLASS;
751 	}
752 
753 	logon = talloc_zero(mem_ctx, union netr_LogonLevel);
754 	if (logon == NULL) {
755 		TALLOC_FREE(frame);
756 		return NT_STATUS_NO_MEMORY;
757 	}
758 
759 	password_info = talloc_zero(logon, struct netr_PasswordInfo);
760 	if (password_info == NULL) {
761 		TALLOC_FREE(frame);
762 		return NT_STATUS_NO_MEMORY;
763 	}
764 
765 	if (workstation[0] != '\\' && workstation[1] != '\\') {
766 		workstation_name_slash = talloc_asprintf(frame, "\\\\%s", workstation);
767 	} else {
768 		workstation_name_slash = workstation;
769 	}
770 
771 	if (workstation_name_slash == NULL) {
772 		TALLOC_FREE(frame);
773 		return NT_STATUS_NO_MEMORY;
774 	}
775 
776 	/* Initialise input parameters */
777 
778 	password_info->identity_info.domain_name.string		= domain;
779 	password_info->identity_info.parameter_control		= logon_parameters;
780 	password_info->identity_info.logon_id			= logon_id;
781 	password_info->identity_info.account_name.string	= username;
782 	password_info->identity_info.workstation.string		= workstation_name_slash;
783 
784 	if (nt_hash.length != sizeof(password_info->ntpassword.hash)) {
785 		TALLOC_FREE(frame);
786 		return NT_STATUS_INVALID_PARAMETER;
787 	}
788 	memcpy(password_info->ntpassword.hash, nt_hash.data, nt_hash.length);
789 	if (lm_hash.length != 0) {
790 		if (lm_hash.length != sizeof(password_info->lmpassword.hash)) {
791 			TALLOC_FREE(frame);
792 			return NT_STATUS_INVALID_PARAMETER;
793 		}
794 		memcpy(password_info->lmpassword.hash, lm_hash.data, lm_hash.length);
795 	}
796 
797 	logon->password = password_info;
798 
799 	/* Marshall data and send request */
800 
801 	status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
802 						  binding_handle,
803 						  logon_type,
804 						  logon,
805 						  mem_ctx,
806 						  &validation_level,
807 						  &validation,
808 						  authoritative,
809 						  flags);
810 	if (!NT_STATUS_IS_OK(status)) {
811 		TALLOC_FREE(frame);
812 		return status;
813 	}
814 
815 	*_validation_level = validation_level;
816 	*_validation = validation;
817 
818 	TALLOC_FREE(frame);
819 	return NT_STATUS_OK;
820 }
821