winbindd: Update the calls to ws_name_XX() to reflect API changes.
[Samba.git] / source / rpc_server / srv_netlog_nt.c
blob4e211cfb81fa3555f60c9e301f639e4cd35eefcb
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 /* 0x000001ff */
525 srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
526 NETLOGON_NEG_PERSISTENT_SAMREPL |
527 NETLOGON_NEG_ARCFOUR |
528 NETLOGON_NEG_PROMOTION_COUNT |
529 NETLOGON_NEG_CHANGELOG_BDC |
530 NETLOGON_NEG_FULL_SYNC_REPL |
531 NETLOGON_NEG_MULTIPLE_SIDS |
532 NETLOGON_NEG_REDO |
533 NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL;
535 if (lp_server_schannel() != false) {
536 srv_flgs |= NETLOGON_NEG_SCHANNEL;
539 /* set up the LSA AUTH 2 response */
540 memcpy(r->out.return_credentials->data, &srv_chal_out.data,
541 sizeof(r->out.return_credentials->data));
542 *r->out.negotiate_flags = srv_flgs;
544 fstrcpy(p->dc->mach_acct, r->in.account_name);
545 fstrcpy(p->dc->remote_machine, r->in.computer_name);
546 fstrcpy(p->dc->domain, lp_workgroup() );
548 p->dc->authenticated = True;
550 /* Store off the state so we can continue after client disconnect. */
551 become_root();
552 secrets_store_schannel_session_info(p->mem_ctx,
553 r->in.computer_name,
554 p->dc);
555 unbecome_root();
557 return NT_STATUS_OK;
560 /*************************************************************************
561 _netr_ServerPasswordSet
562 *************************************************************************/
564 NTSTATUS _netr_ServerPasswordSet(pipes_struct *p,
565 struct netr_ServerPasswordSet *r)
567 NTSTATUS status = NT_STATUS_OK;
568 fstring remote_machine;
569 struct samu *sampass=NULL;
570 bool ret = False;
571 unsigned char pwd[16];
572 int i;
573 uint32 acct_ctrl;
574 struct netr_Authenticator cred_out;
575 const uchar *old_pw;
577 DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
579 /* We need the remote machine name for the creds lookup. */
580 fstrcpy(remote_machine, r->in.computer_name);
582 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
583 /* 'server schannel = yes' should enforce use of
584 schannel, the client did offer it in auth2, but
585 obviously did not use it. */
586 DEBUG(0,("_netr_ServerPasswordSet: client %s not using schannel for netlogon\n",
587 remote_machine ));
588 return NT_STATUS_ACCESS_DENIED;
591 if (!p->dc) {
592 /* Restore the saved state of the netlogon creds. */
593 become_root();
594 ret = secrets_restore_schannel_session_info(p, remote_machine,
595 &p->dc);
596 unbecome_root();
597 if (!ret) {
598 return NT_STATUS_INVALID_HANDLE;
602 if (!p->dc || !p->dc->authenticated) {
603 return NT_STATUS_INVALID_HANDLE;
606 DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
607 remote_machine, p->dc->mach_acct));
609 /* Step the creds chain forward. */
610 if (!netlogon_creds_server_step(p->dc, r->in.credential, &cred_out)) {
611 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
612 "request from client %s machine account %s\n",
613 remote_machine, p->dc->mach_acct ));
614 return NT_STATUS_INVALID_PARAMETER;
617 /* We must store the creds state after an update. */
618 sampass = samu_new( NULL );
619 if (!sampass) {
620 return NT_STATUS_NO_MEMORY;
623 become_root();
624 secrets_store_schannel_session_info(p, remote_machine, p->dc);
625 ret = pdb_getsampwnam(sampass, p->dc->mach_acct);
626 unbecome_root();
628 if (!ret) {
629 TALLOC_FREE(sampass);
630 return NT_STATUS_ACCESS_DENIED;
633 /* Ensure the account exists and is a machine account. */
635 acct_ctrl = pdb_get_acct_ctrl(sampass);
637 if (!(acct_ctrl & ACB_WSTRUST ||
638 acct_ctrl & ACB_SVRTRUST ||
639 acct_ctrl & ACB_DOMTRUST)) {
640 TALLOC_FREE(sampass);
641 return NT_STATUS_NO_SUCH_USER;
644 if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
645 TALLOC_FREE(sampass);
646 return NT_STATUS_ACCOUNT_DISABLED;
649 /* Woah - what does this to to the credential chain ? JRA */
650 cred_hash3(pwd, r->in.new_password->hash, p->dc->sess_key, 0);
652 DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
653 for(i = 0; i < sizeof(pwd); i++)
654 DEBUG(100,("%02X ", pwd[i]));
655 DEBUG(100,("\n"));
657 old_pw = pdb_get_nt_passwd(sampass);
659 if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
660 /* Avoid backend modificiations and other fun if the
661 client changed the password to the *same thing* */
663 ret = True;
664 } else {
666 /* LM password should be NULL for machines */
667 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
668 TALLOC_FREE(sampass);
669 return NT_STATUS_NO_MEMORY;
672 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
673 TALLOC_FREE(sampass);
674 return NT_STATUS_NO_MEMORY;
677 if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
678 TALLOC_FREE(sampass);
679 /* Not quite sure what this one qualifies as, but this will do */
680 return NT_STATUS_UNSUCCESSFUL;
683 become_root();
684 status = pdb_update_sam_account(sampass);
685 unbecome_root();
688 /* set up the LSA Server Password Set response */
690 memcpy(r->out.return_authenticator, &cred_out,
691 sizeof(r->out.return_authenticator));
693 TALLOC_FREE(sampass);
694 return status;
697 /*************************************************************************
698 _netr_LogonSamLogoff
699 *************************************************************************/
701 NTSTATUS _netr_LogonSamLogoff(pipes_struct *p,
702 struct netr_LogonSamLogoff *r)
704 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
705 /* 'server schannel = yes' should enforce use of
706 schannel, the client did offer it in auth2, but
707 obviously did not use it. */
708 DEBUG(0,("_netr_LogonSamLogoff: client %s not using schannel for netlogon\n",
709 get_remote_machine_name() ));
710 return NT_STATUS_ACCESS_DENIED;
714 /* Using the remote machine name for the creds store: */
715 /* r->in.computer_name */
717 if (!p->dc) {
718 /* Restore the saved state of the netlogon creds. */
719 bool ret;
721 become_root();
722 ret = secrets_restore_schannel_session_info(
723 p, r->in.computer_name, &p->dc);
724 unbecome_root();
725 if (!ret) {
726 return NT_STATUS_INVALID_HANDLE;
730 if (!p->dc || !p->dc->authenticated) {
731 return NT_STATUS_INVALID_HANDLE;
734 /* checks and updates credentials. creates reply credentials */
735 if (!netlogon_creds_server_step(p->dc, r->in.credential, r->out.return_authenticator)) {
736 DEBUG(2,("_netr_LogonSamLogoff: netlogon_creds_server_step failed. Rejecting auth "
737 "request from client %s machine account %s\n",
738 r->in.computer_name, p->dc->mach_acct ));
739 return NT_STATUS_INVALID_PARAMETER;
742 /* We must store the creds state after an update. */
743 become_root();
744 secrets_store_schannel_session_info(p, r->in.computer_name, p->dc);
745 unbecome_root();
747 return NT_STATUS_OK;
750 /*************************************************************************
751 _netr_LogonSamLogon
752 *************************************************************************/
754 NTSTATUS _netr_LogonSamLogon(pipes_struct *p,
755 struct netr_LogonSamLogon *r)
757 NTSTATUS status = NT_STATUS_OK;
758 struct netr_SamInfo3 *sam3 = NULL;
759 union netr_LogonInfo *logon = r->in.logon;
760 fstring nt_username, nt_domain, nt_workstation;
761 auth_usersupplied_info *user_info = NULL;
762 auth_serversupplied_info *server_info = NULL;
763 struct auth_context *auth_context = NULL;
764 uint8_t pipe_session_key[16];
765 bool process_creds = true;
767 switch (p->hdr_req.opnum) {
768 case NDR_NETR_LOGONSAMLOGON:
769 process_creds = true;
770 break;
771 case NDR_NETR_LOGONSAMLOGONEX:
772 default:
773 process_creds = false;
776 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
777 /* 'server schannel = yes' should enforce use of
778 schannel, the client did offer it in auth2, but
779 obviously did not use it. */
780 DEBUG(0,("_netr_LogonSamLogon: client %s not using schannel for netlogon\n",
781 get_remote_machine_name() ));
782 return NT_STATUS_ACCESS_DENIED;
785 sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
786 if (!sam3) {
787 return NT_STATUS_NO_MEMORY;
790 /* store the user information, if there is any. */
791 r->out.validation->sam3 = sam3;
792 *r->out.authoritative = true; /* authoritative response */
793 if (r->in.validation_level != 2 && r->in.validation_level != 3) {
794 DEBUG(0,("_netr_LogonSamLogon: bad validation_level value %d.\n",
795 (int)r->in.validation_level));
796 return NT_STATUS_ACCESS_DENIED;
799 if (process_creds) {
800 fstring remote_machine;
802 /* Get the remote machine name for the creds store. */
803 /* Note this is the remote machine this request is coming from (member server),
804 not neccessarily the workstation name the user is logging onto.
807 fstrcpy(remote_machine, r->in.computer_name);
809 if (!p->dc) {
810 /* Restore the saved state of the netlogon creds. */
811 bool ret;
813 become_root();
814 ret = secrets_restore_schannel_session_info(
815 p, remote_machine, &p->dc);
816 unbecome_root();
817 if (!ret) {
818 return NT_STATUS_INVALID_HANDLE;
822 if (!p->dc || !p->dc->authenticated) {
823 return NT_STATUS_INVALID_HANDLE;
826 /* checks and updates credentials. creates reply credentials */
827 if (!netlogon_creds_server_step(p->dc, r->in.credential, r->out.return_authenticator)) {
828 DEBUG(2,("_netr_LogonSamLogon: creds_server_step failed. Rejecting auth "
829 "request from client %s machine account %s\n",
830 remote_machine, p->dc->mach_acct ));
831 return NT_STATUS_INVALID_PARAMETER;
834 /* We must store the creds state after an update. */
835 become_root();
836 secrets_store_schannel_session_info(p, remote_machine, p->dc);
837 unbecome_root();
840 switch (r->in.logon_level) {
841 case INTERACTIVE_LOGON_TYPE:
842 fstrcpy(nt_username,
843 logon->password->identity_info.account_name.string);
844 fstrcpy(nt_domain,
845 logon->password->identity_info.domain_name.string);
846 fstrcpy(nt_workstation,
847 logon->password->identity_info.workstation.string);
849 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
850 break;
851 case NET_LOGON_TYPE:
852 fstrcpy(nt_username,
853 logon->network->identity_info.account_name.string);
854 fstrcpy(nt_domain,
855 logon->network->identity_info.domain_name.string);
856 fstrcpy(nt_workstation,
857 logon->network->identity_info.workstation.string);
859 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
860 break;
861 default:
862 DEBUG(2,("SAM Logon: unsupported switch value\n"));
863 return NT_STATUS_INVALID_INFO_CLASS;
864 } /* end switch */
866 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
867 fstrcpy(current_user_info.smb_name, nt_username);
868 sub_set_smb_name(nt_username);
870 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
871 r->in.validation_level, nt_username));
873 status = NT_STATUS_OK;
875 switch (r->in.logon_level) {
876 case NET_LOGON_TYPE:
878 const char *wksname = nt_workstation;
880 status = make_auth_context_fixed(&auth_context,
881 logon->network->challenge);
882 if (!NT_STATUS_IS_OK(status)) {
883 return status;
886 /* For a network logon, the workstation name comes in with two
887 * backslashes in the front. Strip them if they are there. */
889 if (*wksname == '\\') wksname++;
890 if (*wksname == '\\') wksname++;
892 /* Standard challenge/response authenticaion */
893 if (!make_user_info_netlogon_network(&user_info,
894 nt_username, nt_domain,
895 wksname,
896 logon->network->identity_info.parameter_control,
897 logon->network->lm.data,
898 logon->network->lm.length,
899 logon->network->nt.data,
900 logon->network->nt.length)) {
901 status = NT_STATUS_NO_MEMORY;
903 break;
905 case INTERACTIVE_LOGON_TYPE:
906 /* 'Interactive' authentication, supplies the password in its
907 MD4 form, encrypted with the session key. We will convert
908 this to challenge/response for the auth subsystem to chew
909 on */
911 const uint8 *chal;
913 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
914 return status;
917 chal = auth_context->get_ntlm_challenge(auth_context);
919 if (!make_user_info_netlogon_interactive(&user_info,
920 nt_username, nt_domain,
921 nt_workstation,
922 logon->password->identity_info.parameter_control,
923 chal,
924 logon->password->lmpassword.hash,
925 logon->password->ntpassword.hash,
926 p->dc->sess_key)) {
927 status = NT_STATUS_NO_MEMORY;
929 break;
931 default:
932 DEBUG(2,("SAM Logon: unsupported switch value\n"));
933 return NT_STATUS_INVALID_INFO_CLASS;
934 } /* end switch */
936 if ( NT_STATUS_IS_OK(status) ) {
937 status = auth_context->check_ntlm_password(auth_context,
938 user_info, &server_info);
941 (auth_context->free)(&auth_context);
942 free_user_info(&user_info);
944 DEBUG(5,("_netr_LogonSamLogon: check_password returned status %s\n",
945 nt_errstr(status)));
947 /* Check account and password */
949 if (!NT_STATUS_IS_OK(status)) {
950 /* If we don't know what this domain is, we need to
951 indicate that we are not authoritative. This
952 allows the client to decide if it needs to try
953 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
954 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
955 && !strequal(nt_domain, get_global_sam_name())
956 && !is_trusted_domain(nt_domain) )
957 *r->out.authoritative = false; /* We are not authoritative */
959 TALLOC_FREE(server_info);
960 return status;
963 if (server_info->guest) {
964 /* We don't like guest domain logons... */
965 DEBUG(5,("_netr_LogonSamLogon: Attempted domain logon as GUEST "
966 "denied.\n"));
967 TALLOC_FREE(server_info);
968 return NT_STATUS_LOGON_FAILURE;
971 /* This is the point at which, if the login was successful, that
972 the SAM Local Security Authority should record that the user is
973 logged in to the domain. */
975 if (process_creds) {
976 /* Get the pipe session key from the creds. */
977 memcpy(pipe_session_key, p->dc->sess_key, 16);
978 } else {
979 /* Get the pipe session key from the schannel. */
980 if ((p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL)
981 || (p->auth.a_u.schannel_auth == NULL)) {
982 return NT_STATUS_INVALID_HANDLE;
984 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
987 status = serverinfo_to_SamInfo3(server_info, pipe_session_key, sam3);
988 TALLOC_FREE(server_info);
989 return status;
992 /*************************************************************************
993 _netr_LogonSamLogonEx
994 - no credential chaining. Map into net sam logon.
995 *************************************************************************/
997 NTSTATUS _netr_LogonSamLogonEx(pipes_struct *p,
998 struct netr_LogonSamLogonEx *r)
1000 struct netr_LogonSamLogon q;
1002 /* Only allow this if the pipe is protected. */
1003 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1004 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
1005 get_remote_machine_name() ));
1006 return NT_STATUS_INVALID_PARAMETER;
1009 q.in.server_name = r->in.server_name;
1010 q.in.computer_name = r->in.computer_name;
1011 q.in.logon_level = r->in.logon_level;
1012 q.in.logon = r->in.logon;
1013 q.in.validation_level = r->in.validation_level;
1014 /* we do not handle the flags */
1015 /* = r->in.flags; */
1017 q.out.validation = r->out.validation;
1018 q.out.authoritative = r->out.authoritative;
1019 /* we do not handle the flags */
1020 /* = r->out.flags; */
1022 return _netr_LogonSamLogon(p, &q);
1025 /*************************************************************************
1026 _ds_enum_dom_trusts
1027 *************************************************************************/
1028 #if 0 /* JERRY -- not correct */
1029 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1030 DS_R_ENUM_DOM_TRUSTS *r_u)
1032 NTSTATUS status = NT_STATUS_OK;
1034 /* TODO: According to MSDN, the can only be executed against a
1035 DC or domain member running Windows 2000 or later. Need
1036 to test against a standalone 2k server and see what it
1037 does. A windows 2000 DC includes its own domain in the
1038 list. --jerry */
1040 return status;
1042 #endif /* JERRY */
1045 /****************************************************************
1046 ****************************************************************/
1048 WERROR _netr_LogonUasLogon(pipes_struct *p,
1049 struct netr_LogonUasLogon *r)
1051 p->rng_fault_state = true;
1052 return WERR_NOT_SUPPORTED;
1055 /****************************************************************
1056 ****************************************************************/
1058 WERROR _netr_LogonUasLogoff(pipes_struct *p,
1059 struct netr_LogonUasLogoff *r)
1061 p->rng_fault_state = true;
1062 return WERR_NOT_SUPPORTED;
1065 /****************************************************************
1066 ****************************************************************/
1068 NTSTATUS _netr_DatabaseDeltas(pipes_struct *p,
1069 struct netr_DatabaseDeltas *r)
1071 p->rng_fault_state = true;
1072 return NT_STATUS_NOT_IMPLEMENTED;
1075 /****************************************************************
1076 ****************************************************************/
1078 NTSTATUS _netr_DatabaseSync(pipes_struct *p,
1079 struct netr_DatabaseSync *r)
1081 p->rng_fault_state = true;
1082 return NT_STATUS_NOT_IMPLEMENTED;
1085 /****************************************************************
1086 ****************************************************************/
1088 NTSTATUS _netr_AccountDeltas(pipes_struct *p,
1089 struct netr_AccountDeltas *r)
1091 p->rng_fault_state = true;
1092 return NT_STATUS_NOT_IMPLEMENTED;
1095 /****************************************************************
1096 ****************************************************************/
1098 NTSTATUS _netr_AccountSync(pipes_struct *p,
1099 struct netr_AccountSync *r)
1101 p->rng_fault_state = true;
1102 return NT_STATUS_NOT_IMPLEMENTED;
1105 /****************************************************************
1106 ****************************************************************/
1108 WERROR _netr_GetDcName(pipes_struct *p,
1109 struct netr_GetDcName *r)
1111 p->rng_fault_state = true;
1112 return WERR_NOT_SUPPORTED;
1115 /****************************************************************
1116 ****************************************************************/
1118 WERROR _netr_GetAnyDCName(pipes_struct *p,
1119 struct netr_GetAnyDCName *r)
1121 p->rng_fault_state = true;
1122 return WERR_NOT_SUPPORTED;
1125 /****************************************************************
1126 ****************************************************************/
1128 NTSTATUS _netr_DatabaseSync2(pipes_struct *p,
1129 struct netr_DatabaseSync2 *r)
1131 p->rng_fault_state = true;
1132 return NT_STATUS_NOT_IMPLEMENTED;
1135 /****************************************************************
1136 ****************************************************************/
1138 NTSTATUS _netr_DatabaseRedo(pipes_struct *p,
1139 struct netr_DatabaseRedo *r)
1141 p->rng_fault_state = true;
1142 return NT_STATUS_NOT_IMPLEMENTED;
1145 /****************************************************************
1146 ****************************************************************/
1148 WERROR _netr_LogonControl2Ex(pipes_struct *p,
1149 struct netr_LogonControl2Ex *r)
1151 p->rng_fault_state = true;
1152 return WERR_NOT_SUPPORTED;
1155 /****************************************************************
1156 ****************************************************************/
1158 WERROR _netr_DsRGetDCName(pipes_struct *p,
1159 struct netr_DsRGetDCName *r)
1161 p->rng_fault_state = true;
1162 return WERR_NOT_SUPPORTED;
1165 /****************************************************************
1166 ****************************************************************/
1168 WERROR _netr_NETRLOGONDUMMYROUTINE1(pipes_struct *p,
1169 struct netr_NETRLOGONDUMMYROUTINE1 *r)
1171 p->rng_fault_state = true;
1172 return WERR_NOT_SUPPORTED;
1175 /****************************************************************
1176 ****************************************************************/
1178 WERROR _netr_NETRLOGONSETSERVICEBITS(pipes_struct *p,
1179 struct netr_NETRLOGONSETSERVICEBITS *r)
1181 p->rng_fault_state = true;
1182 return WERR_NOT_SUPPORTED;
1185 /****************************************************************
1186 ****************************************************************/
1188 WERROR _netr_LogonGetTrustRid(pipes_struct *p,
1189 struct netr_LogonGetTrustRid *r)
1191 p->rng_fault_state = true;
1192 return WERR_NOT_SUPPORTED;
1195 /****************************************************************
1196 ****************************************************************/
1198 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(pipes_struct *p,
1199 struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
1201 p->rng_fault_state = true;
1202 return WERR_NOT_SUPPORTED;
1205 /****************************************************************
1206 ****************************************************************/
1208 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(pipes_struct *p,
1209 struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
1211 p->rng_fault_state = true;
1212 return WERR_NOT_SUPPORTED;
1215 /****************************************************************
1216 ****************************************************************/
1218 NTSTATUS _netr_ServerAuthenticate3(pipes_struct *p,
1219 struct netr_ServerAuthenticate3 *r)
1221 p->rng_fault_state = true;
1222 return NT_STATUS_NOT_IMPLEMENTED;
1225 /****************************************************************
1226 ****************************************************************/
1228 WERROR _netr_DsRGetDCNameEx(pipes_struct *p,
1229 struct netr_DsRGetDCNameEx *r)
1231 p->rng_fault_state = true;
1232 return WERR_NOT_SUPPORTED;
1235 /****************************************************************
1236 ****************************************************************/
1238 WERROR _netr_DsRGetSiteName(pipes_struct *p,
1239 struct netr_DsRGetSiteName *r)
1241 p->rng_fault_state = true;
1242 return WERR_NOT_SUPPORTED;
1245 /****************************************************************
1246 ****************************************************************/
1248 NTSTATUS _netr_LogonGetDomainInfo(pipes_struct *p,
1249 struct netr_LogonGetDomainInfo *r)
1251 p->rng_fault_state = true;
1252 return NT_STATUS_NOT_IMPLEMENTED;
1255 /****************************************************************
1256 ****************************************************************/
1258 NTSTATUS _netr_ServerPasswordSet2(pipes_struct *p,
1259 struct netr_ServerPasswordSet2 *r)
1261 p->rng_fault_state = true;
1262 return NT_STATUS_NOT_IMPLEMENTED;
1265 /****************************************************************
1266 ****************************************************************/
1268 WERROR _netr_ServerPasswordGet(pipes_struct *p,
1269 struct netr_ServerPasswordGet *r)
1271 p->rng_fault_state = true;
1272 return WERR_NOT_SUPPORTED;
1275 /****************************************************************
1276 ****************************************************************/
1278 WERROR _netr_NETRLOGONSENDTOSAM(pipes_struct *p,
1279 struct netr_NETRLOGONSENDTOSAM *r)
1281 p->rng_fault_state = true;
1282 return WERR_NOT_SUPPORTED;
1285 /****************************************************************
1286 ****************************************************************/
1288 WERROR _netr_DsRAddressToSitenamesW(pipes_struct *p,
1289 struct netr_DsRAddressToSitenamesW *r)
1291 p->rng_fault_state = true;
1292 return WERR_NOT_SUPPORTED;
1295 /****************************************************************
1296 ****************************************************************/
1298 WERROR _netr_DsRGetDCNameEx2(pipes_struct *p,
1299 struct netr_DsRGetDCNameEx2 *r)
1301 p->rng_fault_state = true;
1302 return WERR_NOT_SUPPORTED;
1305 /****************************************************************
1306 ****************************************************************/
1308 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(pipes_struct *p,
1309 struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1311 p->rng_fault_state = true;
1312 return WERR_NOT_SUPPORTED;
1315 /****************************************************************
1316 ****************************************************************/
1318 WERROR _netr_NetrEnumerateTrustedDomainsEx(pipes_struct *p,
1319 struct netr_NetrEnumerateTrustedDomainsEx *r)
1321 p->rng_fault_state = true;
1322 return WERR_NOT_SUPPORTED;
1325 /****************************************************************
1326 ****************************************************************/
1328 WERROR _netr_DsRAddressToSitenamesExW(pipes_struct *p,
1329 struct netr_DsRAddressToSitenamesExW *r)
1331 p->rng_fault_state = true;
1332 return WERR_NOT_SUPPORTED;
1335 /****************************************************************
1336 ****************************************************************/
1338 WERROR _netr_DsrGetDcSiteCoverageW(pipes_struct *p,
1339 struct netr_DsrGetDcSiteCoverageW *r)
1341 p->rng_fault_state = true;
1342 return WERR_NOT_SUPPORTED;
1345 /****************************************************************
1346 ****************************************************************/
1348 WERROR _netr_DsrEnumerateDomainTrusts(pipes_struct *p,
1349 struct netr_DsrEnumerateDomainTrusts *r)
1351 p->rng_fault_state = true;
1352 return WERR_NOT_SUPPORTED;
1355 /****************************************************************
1356 ****************************************************************/
1358 WERROR _netr_DsrDeregisterDNSHostRecords(pipes_struct *p,
1359 struct netr_DsrDeregisterDNSHostRecords *r)
1361 p->rng_fault_state = true;
1362 return WERR_NOT_SUPPORTED;
1365 /****************************************************************
1366 ****************************************************************/
1368 NTSTATUS _netr_ServerTrustPasswordsGet(pipes_struct *p,
1369 struct netr_ServerTrustPasswordsGet *r)
1371 p->rng_fault_state = true;
1372 return NT_STATUS_NOT_IMPLEMENTED;
1375 /****************************************************************
1376 ****************************************************************/
1378 WERROR _netr_DsRGetForestTrustInformation(pipes_struct *p,
1379 struct netr_DsRGetForestTrustInformation *r)
1381 p->rng_fault_state = true;
1382 return WERR_NOT_SUPPORTED;
1385 /****************************************************************
1386 ****************************************************************/
1388 WERROR _netr_GetForestTrustInformation(pipes_struct *p,
1389 struct netr_GetForestTrustInformation *r)
1391 p->rng_fault_state = true;
1392 return WERR_NOT_SUPPORTED;
1395 /****************************************************************
1396 ****************************************************************/
1398 NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p,
1399 struct netr_LogonSamLogonWithFlags *r)
1401 p->rng_fault_state = true;
1402 return NT_STATUS_NOT_IMPLEMENTED;
1405 /****************************************************************
1406 ****************************************************************/
1408 WERROR _netr_NETRSERVERGETTRUSTINFO(pipes_struct *p,
1409 struct netr_NETRSERVERGETTRUSTINFO *r)
1411 p->rng_fault_state = true;
1412 return WERR_NOT_SUPPORTED;