netapi: add example code for NetUserModalsGet and NetUserModalsSet.
[Samba/gebeck_regimport.git] / source3 / rpc_server / srv_netlog_nt.c
blob7ece482d754fe6c370ec5e5aa9b980b784c76551
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.
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.
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.
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/>.
25 /* This is the implementation of the netlogon pipe. */
27 #include "includes.h"
29 extern userdom_struct current_user_info;
31 #undef DBGC_CLASS
32 #define DBGC_CLASS DBGC_RPC_SRV
34 /*************************************************************************
35 init_net_r_req_chal:
36 *************************************************************************/
38 static void init_net_r_req_chal(struct netr_Credential *r,
39 struct netr_Credential *srv_chal)
41 DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
43 memcpy(r->data, srv_chal->data, sizeof(r->data));
46 /*******************************************************************
47 Inits a netr_NETLOGON_INFO_1 structure.
48 ********************************************************************/
50 static void init_netlogon_info1(struct netr_NETLOGON_INFO_1 *r,
51 uint32_t flags,
52 uint32_t pdc_connection_status)
54 r->flags = flags;
55 r->pdc_connection_status = pdc_connection_status;
58 /*******************************************************************
59 Inits a netr_NETLOGON_INFO_2 structure.
60 ********************************************************************/
62 static void init_netlogon_info2(struct netr_NETLOGON_INFO_2 *r,
63 uint32_t flags,
64 uint32_t pdc_connection_status,
65 const char *trusted_dc_name,
66 uint32_t tc_connection_status)
68 r->flags = flags;
69 r->pdc_connection_status = pdc_connection_status;
70 r->trusted_dc_name = trusted_dc_name;
71 r->tc_connection_status = tc_connection_status;
74 /*******************************************************************
75 Inits a netr_NETLOGON_INFO_3 structure.
76 ********************************************************************/
78 static void init_netlogon_info3(struct netr_NETLOGON_INFO_3 *r,
79 uint32_t flags,
80 uint32_t logon_attempts)
82 r->flags = flags;
83 r->logon_attempts = logon_attempts;
86 /*************************************************************************
87 _netr_LogonControl
88 *************************************************************************/
90 WERROR _netr_LogonControl(pipes_struct *p,
91 struct netr_LogonControl *r)
93 struct netr_NETLOGON_INFO_1 *info1;
94 uint32_t flags = 0x0;
95 uint32_t pdc_connection_status = W_ERROR_V(WERR_OK);
97 /* Setup the Logon Control response */
99 switch (r->in.level) {
100 case 1:
101 info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
102 if (!info1) {
103 return WERR_NOMEM;
105 init_netlogon_info1(info1,
106 flags,
107 pdc_connection_status);
108 r->out.info->info1 = info1;
109 break;
110 default:
111 return WERR_UNKNOWN_LEVEL;
114 return WERR_OK;
117 /****************************************************************************
118 Send a message to smbd to do a sam synchronisation
119 **************************************************************************/
121 static void send_sync_message(void)
123 DEBUG(3, ("sending sam synchronisation message\n"));
124 message_send_all(smbd_messaging_context(), MSG_SMB_SAM_SYNC, NULL, 0,
125 NULL);
128 /*************************************************************************
129 _netr_LogonControl2
130 *************************************************************************/
132 WERROR _netr_LogonControl2(pipes_struct *p,
133 struct netr_LogonControl2 *r)
135 uint32 flags = 0x0;
136 uint32 pdc_connection_status = 0x0;
137 uint32 logon_attempts = 0x0;
138 uint32 tc_status;
139 fstring dc_name2;
140 const char *dc_name = NULL;
141 struct sockaddr_storage dc_ss;
142 const char *domain = NULL;
143 struct netr_NETLOGON_INFO_1 *info1;
144 struct netr_NETLOGON_INFO_2 *info2;
145 struct netr_NETLOGON_INFO_3 *info3;
147 tc_status = W_ERROR_V(WERR_NO_SUCH_DOMAIN);
149 switch (r->in.function_code) {
150 case NETLOGON_CONTROL_TC_QUERY:
151 domain = r->in.data->domain;
153 if ( !is_trusted_domain( domain ) )
154 break;
156 if ( !get_dc_name( domain, NULL, dc_name2, &dc_ss ) ) {
157 tc_status = W_ERROR_V(WERR_NO_LOGON_SERVERS);
158 break;
161 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
162 if (!dc_name) {
163 return WERR_NOMEM;
166 tc_status = W_ERROR_V(WERR_OK);
168 break;
170 case NETLOGON_CONTROL_REDISCOVER:
171 domain = r->in.data->domain;
173 if ( !is_trusted_domain( domain ) )
174 break;
176 if ( !get_dc_name( domain, NULL, dc_name2, &dc_ss ) ) {
177 tc_status = W_ERROR_V(WERR_NO_LOGON_SERVERS);
178 break;
181 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
182 if (!dc_name) {
183 return WERR_NOMEM;
186 tc_status = W_ERROR_V(WERR_OK);
188 break;
190 default:
191 /* no idea what this should be */
192 DEBUG(0,("_netr_LogonControl2: unimplemented function level [%d]\n",
193 r->in.function_code));
194 return WERR_UNKNOWN_LEVEL;
197 /* prepare the response */
199 switch (r->in.level) {
200 case 1:
201 info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
202 W_ERROR_HAVE_NO_MEMORY(info1);
204 init_netlogon_info1(info1,
205 flags,
206 pdc_connection_status);
207 r->out.query->info1 = info1;
208 break;
209 case 2:
210 info2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_2);
211 W_ERROR_HAVE_NO_MEMORY(info2);
213 init_netlogon_info2(info2,
214 flags,
215 pdc_connection_status,
216 dc_name,
217 tc_status);
218 r->out.query->info2 = info2;
219 break;
220 case 3:
221 info3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_3);
222 W_ERROR_HAVE_NO_MEMORY(info3);
224 init_netlogon_info3(info3,
225 flags,
226 logon_attempts);
227 r->out.query->info3 = info3;
228 break;
229 default:
230 return WERR_UNKNOWN_LEVEL;
233 if (lp_server_role() == ROLE_DOMAIN_BDC) {
234 send_sync_message();
237 return WERR_OK;
240 /*************************************************************************
241 _netr_NetrEnumerateTrustedDomains
242 *************************************************************************/
244 WERROR _netr_NetrEnumerateTrustedDomains(pipes_struct *p,
245 struct netr_NetrEnumerateTrustedDomains *r)
247 struct netr_Blob trusted_domains_blob;
248 DATA_BLOB blob;
250 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
252 /* set up the Trusted Domain List response */
254 blob = data_blob_talloc_zero(p->mem_ctx, 2);
255 trusted_domains_blob.data = blob.data;
256 trusted_domains_blob.length = blob.length;
258 DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
260 *r->out.trusted_domains_blob = trusted_domains_blob;
262 return WERR_OK;
265 /******************************************************************
266 gets a machine password entry. checks access rights of the host.
267 ******************************************************************/
269 static NTSTATUS get_md4pw(char *md4pw, const char *mach_acct, uint16 sec_chan_type)
271 struct samu *sampass = NULL;
272 const uint8 *pass;
273 bool ret;
274 uint32 acct_ctrl;
276 #if 0
277 char addr[INET6_ADDRSTRLEN];
280 * Currently this code is redundent as we already have a filter
281 * by hostname list. What this code really needs to do is to
282 * get a hosts allowed/hosts denied list from the SAM database
283 * on a per user basis, and make the access decision there.
284 * I will leave this code here for now as a reminder to implement
285 * this at a later date. JRA.
288 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
289 client_name(get_client_fd()),
290 client_addr(get_client_fd(),addr,sizeof(addr)))) {
291 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
292 return False;
294 #endif /* 0 */
296 if ( !(sampass = samu_new( NULL )) ) {
297 return NT_STATUS_NO_MEMORY;
300 /* JRA. This is ok as it is only used for generating the challenge. */
301 become_root();
302 ret = pdb_getsampwnam(sampass, mach_acct);
303 unbecome_root();
305 if (!ret) {
306 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
307 TALLOC_FREE(sampass);
308 return NT_STATUS_ACCESS_DENIED;
311 acct_ctrl = pdb_get_acct_ctrl(sampass);
312 if (acct_ctrl & ACB_DISABLED) {
313 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
314 TALLOC_FREE(sampass);
315 return NT_STATUS_ACCOUNT_DISABLED;
318 if (!(acct_ctrl & ACB_SVRTRUST) &&
319 !(acct_ctrl & ACB_WSTRUST) &&
320 !(acct_ctrl & ACB_DOMTRUST))
322 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
323 TALLOC_FREE(sampass);
324 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
327 switch (sec_chan_type) {
328 case SEC_CHAN_BDC:
329 if (!(acct_ctrl & ACB_SVRTRUST)) {
330 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
331 "but not a server trust account\n", mach_acct));
332 TALLOC_FREE(sampass);
333 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
335 break;
336 case SEC_CHAN_WKSTA:
337 if (!(acct_ctrl & ACB_WSTRUST)) {
338 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
339 "but not a workstation trust account\n", mach_acct));
340 TALLOC_FREE(sampass);
341 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
343 break;
344 case SEC_CHAN_DOMAIN:
345 if (!(acct_ctrl & ACB_DOMTRUST)) {
346 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
347 "but not a interdomain trust account\n", mach_acct));
348 TALLOC_FREE(sampass);
349 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
351 break;
352 default:
353 break;
356 if ((pass = pdb_get_nt_passwd(sampass)) == NULL) {
357 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
358 TALLOC_FREE(sampass);
359 return NT_STATUS_LOGON_FAILURE;
362 memcpy(md4pw, pass, 16);
363 dump_data(5, (uint8 *)md4pw, 16);
365 TALLOC_FREE(sampass);
367 return NT_STATUS_OK;
372 /*************************************************************************
373 _netr_ServerReqChallenge
374 *************************************************************************/
376 NTSTATUS _netr_ServerReqChallenge(pipes_struct *p,
377 struct netr_ServerReqChallenge *r)
379 if (!p->dc) {
380 p->dc = TALLOC_ZERO_P(p, struct dcinfo);
381 if (!p->dc) {
382 return NT_STATUS_NO_MEMORY;
384 } else {
385 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
386 ZERO_STRUCTP(p->dc);
389 fstrcpy(p->dc->remote_machine, r->in.computer_name);
391 /* Save the client challenge to the server. */
392 memcpy(p->dc->clnt_chal.data, r->in.credentials->data,
393 sizeof(r->in.credentials->data));
395 /* Create a server challenge for the client */
396 /* Set this to a random value. */
397 generate_random_buffer(p->dc->srv_chal.data, 8);
399 /* set up the LSA REQUEST CHALLENGE response */
400 init_net_r_req_chal(r->out.return_credentials, &p->dc->srv_chal);
402 p->dc->challenge_sent = True;
404 return NT_STATUS_OK;
407 /*************************************************************************
408 _netr_ServerAuthenticate
409 Create the initial credentials.
410 *************************************************************************/
412 NTSTATUS _netr_ServerAuthenticate(pipes_struct *p,
413 struct netr_ServerAuthenticate *r)
415 NTSTATUS status;
416 struct netr_Credential srv_chal_out;
418 if (!p->dc || !p->dc->challenge_sent) {
419 return NT_STATUS_ACCESS_DENIED;
422 status = get_md4pw((char *)p->dc->mach_pw,
423 r->in.account_name,
424 r->in.secure_channel_type);
425 if (!NT_STATUS_IS_OK(status)) {
426 DEBUG(0,("_netr_ServerAuthenticate: get_md4pw failed. Failed to "
427 "get password for machine account %s "
428 "from client %s: %s\n",
429 r->in.account_name,
430 r->in.computer_name,
431 nt_errstr(status) ));
432 /* always return NT_STATUS_ACCESS_DENIED */
433 return NT_STATUS_ACCESS_DENIED;
436 /* From the client / server challenges and md4 password, generate sess key */
437 creds_server_init(0, /* No neg flags. */
438 p->dc,
439 &p->dc->clnt_chal, /* Stored client chal. */
440 &p->dc->srv_chal, /* Stored server chal. */
441 p->dc->mach_pw,
442 &srv_chal_out);
444 /* Check client credentials are valid. */
445 if (!netlogon_creds_server_check(p->dc, r->in.credentials)) {
446 DEBUG(0,("_netr_ServerAuthenticate: netlogon_creds_server_check failed. Rejecting auth "
447 "request from client %s machine account %s\n",
448 r->in.computer_name,
449 r->in.account_name));
450 return NT_STATUS_ACCESS_DENIED;
453 fstrcpy(p->dc->mach_acct, r->in.account_name);
454 fstrcpy(p->dc->remote_machine, r->in.computer_name);
455 p->dc->authenticated = True;
457 /* set up the LSA AUTH response */
458 /* Return the server credentials. */
460 memcpy(r->out.return_credentials->data, &srv_chal_out.data,
461 sizeof(r->out.return_credentials->data));
463 return NT_STATUS_OK;
466 /*************************************************************************
467 _netr_ServerAuthenticate2
468 *************************************************************************/
470 NTSTATUS _netr_ServerAuthenticate2(pipes_struct *p,
471 struct netr_ServerAuthenticate2 *r)
473 NTSTATUS status;
474 uint32_t srv_flgs;
475 struct netr_Credential srv_chal_out;
477 /* We use this as the key to store the creds: */
478 /* r->in.computer_name */
480 if (!p->dc || !p->dc->challenge_sent) {
481 DEBUG(0,("_netr_ServerAuthenticate2: no challenge sent to client %s\n",
482 r->in.computer_name));
483 return NT_STATUS_ACCESS_DENIED;
486 if ( (lp_server_schannel() == true) &&
487 ((*r->in.negotiate_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
489 /* schannel must be used, but client did not offer it. */
490 DEBUG(0,("_netr_ServerAuthenticate2: schannel required but client failed "
491 "to offer it. Client was %s\n",
492 r->in.account_name));
493 return NT_STATUS_ACCESS_DENIED;
496 status = get_md4pw((char *)p->dc->mach_pw,
497 r->in.account_name,
498 r->in.secure_channel_type);
499 if (!NT_STATUS_IS_OK(status)) {
500 DEBUG(0,("_netr_ServerAuthenticate2: failed to get machine password for "
501 "account %s: %s\n",
502 r->in.account_name, nt_errstr(status) ));
503 /* always return NT_STATUS_ACCESS_DENIED */
504 return NT_STATUS_ACCESS_DENIED;
507 /* From the client / server challenges and md4 password, generate sess key */
508 creds_server_init(*r->in.negotiate_flags,
509 p->dc,
510 &p->dc->clnt_chal, /* Stored client chal. */
511 &p->dc->srv_chal, /* Stored server chal. */
512 p->dc->mach_pw,
513 &srv_chal_out);
515 /* Check client credentials are valid. */
516 if (!netlogon_creds_server_check(p->dc, r->in.credentials)) {
517 DEBUG(0,("_netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting auth "
518 "request from client %s machine account %s\n",
519 r->in.computer_name,
520 r->in.account_name));
521 return NT_STATUS_ACCESS_DENIED;
524 srv_flgs = 0x000001ff;
526 if (lp_server_schannel() != false) {
527 srv_flgs |= NETLOGON_NEG_SCHANNEL;
530 /* set up the LSA AUTH 2 response */
531 memcpy(r->out.return_credentials->data, &srv_chal_out.data,
532 sizeof(r->out.return_credentials->data));
533 *r->out.negotiate_flags = srv_flgs;
535 fstrcpy(p->dc->mach_acct, r->in.account_name);
536 fstrcpy(p->dc->remote_machine, r->in.computer_name);
537 fstrcpy(p->dc->domain, lp_workgroup() );
539 p->dc->authenticated = True;
541 /* Store off the state so we can continue after client disconnect. */
542 become_root();
543 secrets_store_schannel_session_info(p->mem_ctx,
544 r->in.computer_name,
545 p->dc);
546 unbecome_root();
548 return NT_STATUS_OK;
551 /*************************************************************************
552 _netr_ServerPasswordSet
553 *************************************************************************/
555 NTSTATUS _netr_ServerPasswordSet(pipes_struct *p,
556 struct netr_ServerPasswordSet *r)
558 NTSTATUS status = NT_STATUS_OK;
559 fstring remote_machine;
560 struct samu *sampass=NULL;
561 bool ret = False;
562 unsigned char pwd[16];
563 int i;
564 uint32 acct_ctrl;
565 struct netr_Authenticator cred_out;
566 const uchar *old_pw;
568 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
570 /* We need the remote machine name for the creds lookup. */
571 fstrcpy(remote_machine, r->in.computer_name);
573 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
574 /* 'server schannel = yes' should enforce use of
575 schannel, the client did offer it in auth2, but
576 obviously did not use it. */
577 DEBUG(0,("_netr_ServerPasswordSet: client %s not using schannel for netlogon\n",
578 remote_machine ));
579 return NT_STATUS_ACCESS_DENIED;
582 if (!p->dc) {
583 /* Restore the saved state of the netlogon creds. */
584 become_root();
585 ret = secrets_restore_schannel_session_info(p, remote_machine,
586 &p->dc);
587 unbecome_root();
588 if (!ret) {
589 return NT_STATUS_INVALID_HANDLE;
593 if (!p->dc || !p->dc->authenticated) {
594 return NT_STATUS_INVALID_HANDLE;
597 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
598 remote_machine, p->dc->mach_acct));
600 /* Step the creds chain forward. */
601 if (!netlogon_creds_server_step(p->dc, r->in.credential, &cred_out)) {
602 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
603 "request from client %s machine account %s\n",
604 remote_machine, p->dc->mach_acct ));
605 return NT_STATUS_INVALID_PARAMETER;
608 /* We must store the creds state after an update. */
609 sampass = samu_new( NULL );
610 if (!sampass) {
611 return NT_STATUS_NO_MEMORY;
614 become_root();
615 secrets_store_schannel_session_info(p, remote_machine, p->dc);
616 ret = pdb_getsampwnam(sampass, p->dc->mach_acct);
617 unbecome_root();
619 if (!ret) {
620 TALLOC_FREE(sampass);
621 return NT_STATUS_ACCESS_DENIED;
624 /* Ensure the account exists and is a machine account. */
626 acct_ctrl = pdb_get_acct_ctrl(sampass);
628 if (!(acct_ctrl & ACB_WSTRUST ||
629 acct_ctrl & ACB_SVRTRUST ||
630 acct_ctrl & ACB_DOMTRUST)) {
631 TALLOC_FREE(sampass);
632 return NT_STATUS_NO_SUCH_USER;
635 if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
636 TALLOC_FREE(sampass);
637 return NT_STATUS_ACCOUNT_DISABLED;
640 /* Woah - what does this to to the credential chain ? JRA */
641 cred_hash3(pwd, r->in.new_password->hash, p->dc->sess_key, 0);
643 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
644 for(i = 0; i < sizeof(pwd); i++)
645 DEBUG(100,("%02X ", pwd[i]));
646 DEBUG(100,("\n"));
648 old_pw = pdb_get_nt_passwd(sampass);
650 if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
651 /* Avoid backend modificiations and other fun if the
652 client changed the password to the *same thing* */
654 ret = True;
655 } else {
657 /* LM password should be NULL for machines */
658 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
659 TALLOC_FREE(sampass);
660 return NT_STATUS_NO_MEMORY;
663 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
664 TALLOC_FREE(sampass);
665 return NT_STATUS_NO_MEMORY;
668 if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
669 TALLOC_FREE(sampass);
670 /* Not quite sure what this one qualifies as, but this will do */
671 return NT_STATUS_UNSUCCESSFUL;
674 become_root();
675 status = pdb_update_sam_account(sampass);
676 unbecome_root();
679 /* set up the LSA Server Password Set response */
681 memcpy(r->out.return_authenticator, &cred_out,
682 sizeof(r->out.return_authenticator));
684 TALLOC_FREE(sampass);
685 return status;
688 /*************************************************************************
689 _netr_LogonSamLogoff
690 *************************************************************************/
692 NTSTATUS _netr_LogonSamLogoff(pipes_struct *p,
693 struct netr_LogonSamLogoff *r)
695 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
696 /* 'server schannel = yes' should enforce use of
697 schannel, the client did offer it in auth2, but
698 obviously did not use it. */
699 DEBUG(0,("_netr_LogonSamLogoff: client %s not using schannel for netlogon\n",
700 get_remote_machine_name() ));
701 return NT_STATUS_ACCESS_DENIED;
705 /* Using the remote machine name for the creds store: */
706 /* r->in.computer_name */
708 if (!p->dc) {
709 /* Restore the saved state of the netlogon creds. */
710 bool ret;
712 become_root();
713 ret = secrets_restore_schannel_session_info(
714 p, r->in.computer_name, &p->dc);
715 unbecome_root();
716 if (!ret) {
717 return NT_STATUS_INVALID_HANDLE;
721 if (!p->dc || !p->dc->authenticated) {
722 return NT_STATUS_INVALID_HANDLE;
725 /* checks and updates credentials. creates reply credentials */
726 if (!netlogon_creds_server_step(p->dc, r->in.credential, r->out.return_authenticator)) {
727 DEBUG(2,("_netr_LogonSamLogoff: netlogon_creds_server_step failed. Rejecting auth "
728 "request from client %s machine account %s\n",
729 r->in.computer_name, p->dc->mach_acct ));
730 return NT_STATUS_INVALID_PARAMETER;
733 /* We must store the creds state after an update. */
734 become_root();
735 secrets_store_schannel_session_info(p, r->in.computer_name, p->dc);
736 unbecome_root();
738 return NT_STATUS_OK;
741 /*************************************************************************
742 _netr_LogonSamLogon
743 *************************************************************************/
745 NTSTATUS _netr_LogonSamLogon(pipes_struct *p,
746 struct netr_LogonSamLogon *r)
748 NTSTATUS status = NT_STATUS_OK;
749 struct netr_SamInfo3 *sam3 = NULL;
750 union netr_LogonInfo *logon = r->in.logon;
751 fstring nt_username, nt_domain, nt_workstation;
752 auth_usersupplied_info *user_info = NULL;
753 auth_serversupplied_info *server_info = NULL;
754 struct auth_context *auth_context = NULL;
755 uint8_t pipe_session_key[16];
756 bool process_creds = true;
758 switch (p->hdr_req.opnum) {
759 case NDR_NETR_LOGONSAMLOGON:
760 process_creds = true;
761 break;
762 case NDR_NETR_LOGONSAMLOGONEX:
763 default:
764 process_creds = false;
767 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
768 /* 'server schannel = yes' should enforce use of
769 schannel, the client did offer it in auth2, but
770 obviously did not use it. */
771 DEBUG(0,("_netr_LogonSamLogon: client %s not using schannel for netlogon\n",
772 get_remote_machine_name() ));
773 return NT_STATUS_ACCESS_DENIED;
776 sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
777 if (!sam3) {
778 return NT_STATUS_NO_MEMORY;
781 /* store the user information, if there is any. */
782 r->out.validation->sam3 = sam3;
783 *r->out.authoritative = true; /* authoritative response */
784 if (r->in.validation_level != 2 && r->in.validation_level != 3) {
785 DEBUG(0,("_netr_LogonSamLogon: bad validation_level value %d.\n",
786 (int)r->in.validation_level));
787 return NT_STATUS_ACCESS_DENIED;
790 if (process_creds) {
791 fstring remote_machine;
793 /* Get the remote machine name for the creds store. */
794 /* Note this is the remote machine this request is coming from (member server),
795 not neccessarily the workstation name the user is logging onto.
798 fstrcpy(remote_machine, r->in.computer_name);
800 if (!p->dc) {
801 /* Restore the saved state of the netlogon creds. */
802 bool ret;
804 become_root();
805 ret = secrets_restore_schannel_session_info(
806 p, remote_machine, &p->dc);
807 unbecome_root();
808 if (!ret) {
809 return NT_STATUS_INVALID_HANDLE;
813 if (!p->dc || !p->dc->authenticated) {
814 return NT_STATUS_INVALID_HANDLE;
817 /* checks and updates credentials. creates reply credentials */
818 if (!netlogon_creds_server_step(p->dc, r->in.credential, r->out.return_authenticator)) {
819 DEBUG(2,("_netr_LogonSamLogon: creds_server_step failed. Rejecting auth "
820 "request from client %s machine account %s\n",
821 remote_machine, p->dc->mach_acct ));
822 return NT_STATUS_INVALID_PARAMETER;
825 /* We must store the creds state after an update. */
826 become_root();
827 secrets_store_schannel_session_info(p, remote_machine, p->dc);
828 unbecome_root();
831 switch (r->in.logon_level) {
832 case INTERACTIVE_LOGON_TYPE:
833 fstrcpy(nt_username,
834 logon->password->identity_info.account_name.string);
835 fstrcpy(nt_domain,
836 logon->password->identity_info.domain_name.string);
837 fstrcpy(nt_workstation,
838 logon->password->identity_info.workstation.string);
840 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
841 break;
842 case NET_LOGON_TYPE:
843 fstrcpy(nt_username,
844 logon->network->identity_info.account_name.string);
845 fstrcpy(nt_domain,
846 logon->network->identity_info.domain_name.string);
847 fstrcpy(nt_workstation,
848 logon->network->identity_info.workstation.string);
850 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
851 break;
852 default:
853 DEBUG(2,("SAM Logon: unsupported switch value\n"));
854 return NT_STATUS_INVALID_INFO_CLASS;
855 } /* end switch */
857 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
858 fstrcpy(current_user_info.smb_name, nt_username);
859 sub_set_smb_name(nt_username);
861 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
862 r->in.validation_level, nt_username));
864 status = NT_STATUS_OK;
866 switch (r->in.logon_level) {
867 case NET_LOGON_TYPE:
869 const char *wksname = nt_workstation;
871 status = make_auth_context_fixed(&auth_context,
872 logon->network->challenge);
873 if (!NT_STATUS_IS_OK(status)) {
874 return status;
877 /* For a network logon, the workstation name comes in with two
878 * backslashes in the front. Strip them if they are there. */
880 if (*wksname == '\\') wksname++;
881 if (*wksname == '\\') wksname++;
883 /* Standard challenge/response authenticaion */
884 if (!make_user_info_netlogon_network(&user_info,
885 nt_username, nt_domain,
886 wksname,
887 logon->network->identity_info.parameter_control,
888 logon->network->lm.data,
889 logon->network->lm.length,
890 logon->network->nt.data,
891 logon->network->nt.length)) {
892 status = NT_STATUS_NO_MEMORY;
894 break;
896 case INTERACTIVE_LOGON_TYPE:
897 /* 'Interactive' authentication, supplies the password in its
898 MD4 form, encrypted with the session key. We will convert
899 this to challenge/response for the auth subsystem to chew
900 on */
902 const uint8 *chal;
904 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
905 return status;
908 chal = auth_context->get_ntlm_challenge(auth_context);
910 if (!make_user_info_netlogon_interactive(&user_info,
911 nt_username, nt_domain,
912 nt_workstation,
913 logon->password->identity_info.parameter_control,
914 chal,
915 logon->password->lmpassword.hash,
916 logon->password->ntpassword.hash,
917 p->dc->sess_key)) {
918 status = NT_STATUS_NO_MEMORY;
920 break;
922 default:
923 DEBUG(2,("SAM Logon: unsupported switch value\n"));
924 return NT_STATUS_INVALID_INFO_CLASS;
925 } /* end switch */
927 if ( NT_STATUS_IS_OK(status) ) {
928 status = auth_context->check_ntlm_password(auth_context,
929 user_info, &server_info);
932 (auth_context->free)(&auth_context);
933 free_user_info(&user_info);
935 DEBUG(5,("_netr_LogonSamLogon: check_password returned status %s\n",
936 nt_errstr(status)));
938 /* Check account and password */
940 if (!NT_STATUS_IS_OK(status)) {
941 /* If we don't know what this domain is, we need to
942 indicate that we are not authoritative. This
943 allows the client to decide if it needs to try
944 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
945 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
946 && !strequal(nt_domain, get_global_sam_name())
947 && !is_trusted_domain(nt_domain) )
948 *r->out.authoritative = false; /* We are not authoritative */
950 TALLOC_FREE(server_info);
951 return status;
954 if (server_info->guest) {
955 /* We don't like guest domain logons... */
956 DEBUG(5,("_netr_LogonSamLogon: Attempted domain logon as GUEST "
957 "denied.\n"));
958 TALLOC_FREE(server_info);
959 return NT_STATUS_LOGON_FAILURE;
962 /* This is the point at which, if the login was successful, that
963 the SAM Local Security Authority should record that the user is
964 logged in to the domain. */
966 if (process_creds) {
967 /* Get the pipe session key from the creds. */
968 memcpy(pipe_session_key, p->dc->sess_key, 16);
969 } else {
970 /* Get the pipe session key from the schannel. */
971 if ((p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL)
972 || (p->auth.a_u.schannel_auth == NULL)) {
973 return NT_STATUS_INVALID_HANDLE;
975 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
978 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, sam3);
979 TALLOC_FREE(server_info);
980 return status;
983 /*************************************************************************
984 _netr_LogonSamLogonEx
985 - no credential chaining. Map into net sam logon.
986 *************************************************************************/
988 NTSTATUS _netr_LogonSamLogonEx(pipes_struct *p,
989 struct netr_LogonSamLogonEx *r)
991 struct netr_LogonSamLogon q;
993 /* Only allow this if the pipe is protected. */
994 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
995 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
996 get_remote_machine_name() ));
997 return NT_STATUS_INVALID_PARAMETER;
1000 q.in.server_name = r->in.server_name;
1001 q.in.computer_name = r->in.computer_name;
1002 q.in.logon_level = r->in.logon_level;
1003 q.in.logon = r->in.logon;
1004 q.in.validation_level = r->in.validation_level;
1005 /* we do not handle the flags */
1006 /* = r->in.flags; */
1008 q.out.validation = r->out.validation;
1009 q.out.authoritative = r->out.authoritative;
1010 /* we do not handle the flags */
1011 /* = r->out.flags; */
1013 return _netr_LogonSamLogon(p, &q);
1016 /*************************************************************************
1017 _ds_enum_dom_trusts
1018 *************************************************************************/
1019 #if 0 /* JERRY -- not correct */
1020 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1021 DS_R_ENUM_DOM_TRUSTS *r_u)
1023 NTSTATUS status = NT_STATUS_OK;
1025 /* TODO: According to MSDN, the can only be executed against a
1026 DC or domain member running Windows 2000 or later. Need
1027 to test against a standalone 2k server and see what it
1028 does. A windows 2000 DC includes its own domain in the
1029 list. --jerry */
1031 return status;
1033 #endif /* JERRY */
1036 /****************************************************************
1037 ****************************************************************/
1039 WERROR _netr_LogonUasLogon(pipes_struct *p,
1040 struct netr_LogonUasLogon *r)
1042 p->rng_fault_state = true;
1043 return WERR_NOT_SUPPORTED;
1046 /****************************************************************
1047 ****************************************************************/
1049 WERROR _netr_LogonUasLogoff(pipes_struct *p,
1050 struct netr_LogonUasLogoff *r)
1052 p->rng_fault_state = true;
1053 return WERR_NOT_SUPPORTED;
1056 /****************************************************************
1057 ****************************************************************/
1059 NTSTATUS _netr_DatabaseDeltas(pipes_struct *p,
1060 struct netr_DatabaseDeltas *r)
1062 p->rng_fault_state = true;
1063 return NT_STATUS_NOT_IMPLEMENTED;
1066 /****************************************************************
1067 ****************************************************************/
1069 NTSTATUS _netr_DatabaseSync(pipes_struct *p,
1070 struct netr_DatabaseSync *r)
1072 p->rng_fault_state = true;
1073 return NT_STATUS_NOT_IMPLEMENTED;
1076 /****************************************************************
1077 ****************************************************************/
1079 NTSTATUS _netr_AccountDeltas(pipes_struct *p,
1080 struct netr_AccountDeltas *r)
1082 p->rng_fault_state = true;
1083 return NT_STATUS_NOT_IMPLEMENTED;
1086 /****************************************************************
1087 ****************************************************************/
1089 NTSTATUS _netr_AccountSync(pipes_struct *p,
1090 struct netr_AccountSync *r)
1092 p->rng_fault_state = true;
1093 return NT_STATUS_NOT_IMPLEMENTED;
1096 /****************************************************************
1097 ****************************************************************/
1099 WERROR _netr_GetDcName(pipes_struct *p,
1100 struct netr_GetDcName *r)
1102 p->rng_fault_state = true;
1103 return WERR_NOT_SUPPORTED;
1106 /****************************************************************
1107 ****************************************************************/
1109 WERROR _netr_GetAnyDCName(pipes_struct *p,
1110 struct netr_GetAnyDCName *r)
1112 p->rng_fault_state = true;
1113 return WERR_NOT_SUPPORTED;
1116 /****************************************************************
1117 ****************************************************************/
1119 NTSTATUS _netr_DatabaseSync2(pipes_struct *p,
1120 struct netr_DatabaseSync2 *r)
1122 p->rng_fault_state = true;
1123 return NT_STATUS_NOT_IMPLEMENTED;
1126 /****************************************************************
1127 ****************************************************************/
1129 NTSTATUS _netr_DatabaseRedo(pipes_struct *p,
1130 struct netr_DatabaseRedo *r)
1132 p->rng_fault_state = true;
1133 return NT_STATUS_NOT_IMPLEMENTED;
1136 /****************************************************************
1137 ****************************************************************/
1139 WERROR _netr_LogonControl2Ex(pipes_struct *p,
1140 struct netr_LogonControl2Ex *r)
1142 p->rng_fault_state = true;
1143 return WERR_NOT_SUPPORTED;
1146 /****************************************************************
1147 ****************************************************************/
1149 WERROR _netr_DsRGetDCName(pipes_struct *p,
1150 struct netr_DsRGetDCName *r)
1152 p->rng_fault_state = true;
1153 return WERR_NOT_SUPPORTED;
1156 /****************************************************************
1157 ****************************************************************/
1159 WERROR _netr_NETRLOGONDUMMYROUTINE1(pipes_struct *p,
1160 struct netr_NETRLOGONDUMMYROUTINE1 *r)
1162 p->rng_fault_state = true;
1163 return WERR_NOT_SUPPORTED;
1166 /****************************************************************
1167 ****************************************************************/
1169 WERROR _netr_NETRLOGONSETSERVICEBITS(pipes_struct *p,
1170 struct netr_NETRLOGONSETSERVICEBITS *r)
1172 p->rng_fault_state = true;
1173 return WERR_NOT_SUPPORTED;
1176 /****************************************************************
1177 ****************************************************************/
1179 WERROR _netr_LogonGetTrustRid(pipes_struct *p,
1180 struct netr_LogonGetTrustRid *r)
1182 p->rng_fault_state = true;
1183 return WERR_NOT_SUPPORTED;
1186 /****************************************************************
1187 ****************************************************************/
1189 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(pipes_struct *p,
1190 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
1192 p->rng_fault_state = true;
1193 return WERR_NOT_SUPPORTED;
1196 /****************************************************************
1197 ****************************************************************/
1199 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(pipes_struct *p,
1200 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
1202 p->rng_fault_state = true;
1203 return WERR_NOT_SUPPORTED;
1206 /****************************************************************
1207 ****************************************************************/
1209 NTSTATUS _netr_ServerAuthenticate3(pipes_struct *p,
1210 struct netr_ServerAuthenticate3 *r)
1212 p->rng_fault_state = true;
1213 return NT_STATUS_NOT_IMPLEMENTED;
1216 /****************************************************************
1217 ****************************************************************/
1219 WERROR _netr_DsRGetDCNameEx(pipes_struct *p,
1220 struct netr_DsRGetDCNameEx *r)
1222 p->rng_fault_state = true;
1223 return WERR_NOT_SUPPORTED;
1226 /****************************************************************
1227 ****************************************************************/
1229 WERROR _netr_DsRGetSiteName(pipes_struct *p,
1230 struct netr_DsRGetSiteName *r)
1232 p->rng_fault_state = true;
1233 return WERR_NOT_SUPPORTED;
1236 /****************************************************************
1237 ****************************************************************/
1239 NTSTATUS _netr_LogonGetDomainInfo(pipes_struct *p,
1240 struct netr_LogonGetDomainInfo *r)
1242 p->rng_fault_state = true;
1243 return NT_STATUS_NOT_IMPLEMENTED;
1246 /****************************************************************
1247 ****************************************************************/
1249 NTSTATUS _netr_ServerPasswordSet2(pipes_struct *p,
1250 struct netr_ServerPasswordSet2 *r)
1252 p->rng_fault_state = true;
1253 return NT_STATUS_NOT_IMPLEMENTED;
1256 /****************************************************************
1257 ****************************************************************/
1259 WERROR _netr_ServerPasswordGet(pipes_struct *p,
1260 struct netr_ServerPasswordGet *r)
1262 p->rng_fault_state = true;
1263 return WERR_NOT_SUPPORTED;
1266 /****************************************************************
1267 ****************************************************************/
1269 WERROR _netr_NETRLOGONSENDTOSAM(pipes_struct *p,
1270 struct netr_NETRLOGONSENDTOSAM *r)
1272 p->rng_fault_state = true;
1273 return WERR_NOT_SUPPORTED;
1276 /****************************************************************
1277 ****************************************************************/
1279 WERROR _netr_DsRAddressToSitenamesW(pipes_struct *p,
1280 struct netr_DsRAddressToSitenamesW *r)
1282 p->rng_fault_state = true;
1283 return WERR_NOT_SUPPORTED;
1286 /****************************************************************
1287 ****************************************************************/
1289 WERROR _netr_DsRGetDCNameEx2(pipes_struct *p,
1290 struct netr_DsRGetDCNameEx2 *r)
1292 p->rng_fault_state = true;
1293 return WERR_NOT_SUPPORTED;
1296 /****************************************************************
1297 ****************************************************************/
1299 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(pipes_struct *p,
1300 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1302 p->rng_fault_state = true;
1303 return WERR_NOT_SUPPORTED;
1306 /****************************************************************
1307 ****************************************************************/
1309 WERROR _netr_NetrEnumerateTrustedDomainsEx(pipes_struct *p,
1310 struct netr_NetrEnumerateTrustedDomainsEx *r)
1312 p->rng_fault_state = true;
1313 return WERR_NOT_SUPPORTED;
1316 /****************************************************************
1317 ****************************************************************/
1319 WERROR _netr_DsRAddressToSitenamesExW(pipes_struct *p,
1320 struct netr_DsRAddressToSitenamesExW *r)
1322 p->rng_fault_state = true;
1323 return WERR_NOT_SUPPORTED;
1326 /****************************************************************
1327 ****************************************************************/
1329 WERROR _netr_DsrGetDcSiteCoverageW(pipes_struct *p,
1330 struct netr_DsrGetDcSiteCoverageW *r)
1332 p->rng_fault_state = true;
1333 return WERR_NOT_SUPPORTED;
1336 /****************************************************************
1337 ****************************************************************/
1339 WERROR _netr_DsrEnumerateDomainTrusts(pipes_struct *p,
1340 struct netr_DsrEnumerateDomainTrusts *r)
1342 p->rng_fault_state = true;
1343 return WERR_NOT_SUPPORTED;
1346 /****************************************************************
1347 ****************************************************************/
1349 WERROR _netr_DsrDeregisterDNSHostRecords(pipes_struct *p,
1350 struct netr_DsrDeregisterDNSHostRecords *r)
1352 p->rng_fault_state = true;
1353 return WERR_NOT_SUPPORTED;
1356 /****************************************************************
1357 ****************************************************************/
1359 NTSTATUS _netr_ServerTrustPasswordsGet(pipes_struct *p,
1360 struct netr_ServerTrustPasswordsGet *r)
1362 p->rng_fault_state = true;
1363 return NT_STATUS_NOT_IMPLEMENTED;
1366 /****************************************************************
1367 ****************************************************************/
1369 WERROR _netr_DsRGetForestTrustInformation(pipes_struct *p,
1370 struct netr_DsRGetForestTrustInformation *r)
1372 p->rng_fault_state = true;
1373 return WERR_NOT_SUPPORTED;
1376 /****************************************************************
1377 ****************************************************************/
1379 WERROR _netr_GetForestTrustInformation(pipes_struct *p,
1380 struct netr_GetForestTrustInformation *r)
1382 p->rng_fault_state = true;
1383 return WERR_NOT_SUPPORTED;
1386 /****************************************************************
1387 ****************************************************************/
1389 NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p,
1390 struct netr_LogonSamLogonWithFlags *r)
1392 p->rng_fault_state = true;
1393 return NT_STATUS_NOT_IMPLEMENTED;
1396 /****************************************************************
1397 ****************************************************************/
1399 WERROR _netr_NETRSERVERGETTRUSTINFO(pipes_struct *p,
1400 struct netr_NETRSERVERGETTRUSTINFO *r)
1402 p->rng_fault_state = true;
1403 return WERR_NOT_SUPPORTED;