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.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 /* This is the implementation of the netlogon pipe. */
29 extern userdom_struct current_user_info;
32 #define DBGC_CLASS DBGC_RPC_SRV
34 /*************************************************************************
36 *************************************************************************/
38 static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
39 DOM_CHAL *srv_chal, NTSTATUS status)
41 DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
42 memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
46 /*************************************************************************
47 error messages cropping up when using nltest.exe...
48 *************************************************************************/
50 #define ERROR_NO_SUCH_DOMAIN 0x54b
51 #define ERROR_NO_LOGON_SERVERS 0x51f
54 /*************************************************************************
56 *************************************************************************/
58 NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
59 NET_R_LOGON_CTRL *r_u)
62 uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
64 /* Setup the Logon Control response */
66 init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
67 pdc_connection_status);
72 /****************************************************************************
73 Send a message to smbd to do a sam synchronisation
74 **************************************************************************/
76 static void send_sync_message(void)
80 tdb = tdb_open_log(lock_path("connections.tdb"), 0,
81 TDB_DEFAULT, O_RDONLY, 0);
84 DEBUG(3, ("send_sync_message(): failed to open connections "
89 DEBUG(3, ("sending sam synchronisation message\n"));
91 message_send_all(tdb, MSG_SMB_SAM_SYNC, NULL, 0, False, NULL);
96 /*************************************************************************
97 net_reply_logon_ctrl2:
98 *************************************************************************/
100 NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
103 uint32 pdc_connection_status = 0x0;
104 uint32 logon_attempts = 0x0;
106 fstring servername, domain, dc_name, dc_name2;
107 struct in_addr dc_ip;
109 /* this should be \\global_myname() */
110 unistr2_to_ascii(servername, &q_u->uni_server_name, sizeof(servername));
112 r_u->status = NT_STATUS_OK;
114 tc_status = ERROR_NO_SUCH_DOMAIN;
115 fstrcpy( dc_name, "" );
117 switch ( q_u->function_code ) {
118 case NETLOGON_CONTROL_TC_QUERY:
119 unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
121 if ( !is_trusted_domain( domain ) )
124 if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
125 tc_status = ERROR_NO_LOGON_SERVERS;
129 fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
131 tc_status = NO_ERROR;
135 case NETLOGON_CONTROL_REDISCOVER:
136 unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
138 if ( !is_trusted_domain( domain ) )
141 if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
142 tc_status = ERROR_NO_LOGON_SERVERS;
146 fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
148 tc_status = NO_ERROR;
153 /* no idea what this should be */
154 DEBUG(0,("_net_logon_ctrl2: unimplemented function level [%d]\n",
155 q_u->function_code));
158 /* prepare the response */
160 init_net_r_logon_ctrl2( r_u, q_u->query_level, flags,
161 pdc_connection_status, logon_attempts, tc_status, dc_name );
163 if (lp_server_role() == ROLE_DOMAIN_BDC)
169 /*************************************************************************
170 net_reply_trust_dom_list:
171 *************************************************************************/
173 NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
175 const char *trusted_domain = "test_domain";
176 uint32 num_trust_domains = 1;
178 DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
180 /* set up the Trusted Domain List response */
181 init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
183 DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
188 /***********************************************************************************
189 init_net_r_srv_pwset:
190 ***********************************************************************************/
192 static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
193 DOM_CRED *srv_cred, NTSTATUS status)
195 DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
197 memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
198 r_s->status = status;
200 DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
203 /******************************************************************
204 gets a machine password entry. checks access rights of the host.
205 ******************************************************************/
207 static BOOL get_md4pw(char *md4pw, char *mach_acct)
209 SAM_ACCOUNT *sampass = NULL;
216 * Currently this code is redundent as we already have a filter
217 * by hostname list. What this code really needs to do is to
218 * get a hosts allowed/hosts denied list from the SAM database
219 * on a per user basis, and make the access decision there.
220 * I will leave this code here for now as a reminder to implement
221 * this at a later date. JRA.
224 if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
225 client_name(), client_addr()))
227 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
232 if(!NT_STATUS_IS_OK(pdb_init_sam(&sampass)))
235 /* JRA. This is ok as it is only used for generating the challenge. */
237 ret=pdb_getsampwnam(sampass, mach_acct);
241 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
242 pdb_free_sam(&sampass);
246 acct_ctrl = pdb_get_acct_ctrl(sampass);
247 if (!(acct_ctrl & ACB_DISABLED) &&
248 ((acct_ctrl & ACB_DOMTRUST) ||
249 (acct_ctrl & ACB_WSTRUST) ||
250 (acct_ctrl & ACB_SVRTRUST)) &&
251 ((pass=pdb_get_nt_passwd(sampass)) != NULL)) {
252 memcpy(md4pw, pass, 16);
253 dump_data(5, md4pw, 16);
254 pdb_free_sam(&sampass);
258 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
259 pdb_free_sam(&sampass);
264 /*************************************************************************
266 *************************************************************************/
268 NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
271 p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
273 return NT_STATUS_NO_MEMORY;
276 DEBUG(10,("_net_req_chal: new challenge requested. Clearing old state.\n"));
280 rpcstr_pull(p->dc->remote_machine,
281 q_u->uni_logon_clnt.buffer,
282 sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
284 /* Save the client challenge to the server. */
285 memcpy(p->dc->clnt_chal.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
287 /* Create a server challenge for the client */
288 /* Set this to a random value. */
289 generate_random_buffer(p->dc->srv_chal.data, 8);
291 /* set up the LSA REQUEST CHALLENGE response */
292 init_net_r_req_chal(r_u, &p->dc->srv_chal, NT_STATUS_OK);
294 p->dc->challenge_sent = True;
299 /*************************************************************************
301 *************************************************************************/
303 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
305 memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
306 r_a->status = status;
309 /*************************************************************************
310 _net_auth. Create the initial credentials.
311 *************************************************************************/
313 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
316 fstring remote_machine;
317 DOM_CHAL srv_chal_out;
319 if (!p->dc || !p->dc->challenge_sent) {
320 return NT_STATUS_ACCESS_DENIED;
323 rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
324 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
325 rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
326 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
328 if (!get_md4pw((char *)p->dc->mach_pw, mach_acct)) {
329 DEBUG(0,("_net_auth: creds_server_check failed. Failed to "
330 "get pasword for machine account %s "
332 mach_acct, remote_machine ));
333 return NT_STATUS_ACCESS_DENIED;
336 /* From the client / server challenges and md4 password, generate sess key */
337 creds_server_init(0, /* No neg flags. */
339 &p->dc->clnt_chal, /* Stored client chal. */
340 &p->dc->srv_chal, /* Stored server chal. */
344 /* Check client credentials are valid. */
345 if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
346 DEBUG(0,("_net_auth: creds_server_check failed. Rejecting auth "
347 "request from client %s machine account %s\n",
348 remote_machine, mach_acct ));
349 return NT_STATUS_ACCESS_DENIED;
352 fstrcpy(p->dc->mach_acct, mach_acct);
353 fstrcpy(p->dc->remote_machine, remote_machine);
354 p->dc->authenticated = True;
356 /* set up the LSA AUTH response */
357 /* Return the server credentials. */
358 init_net_r_auth(r_u, &srv_chal_out, NT_STATUS_OK);
363 /*************************************************************************
365 *************************************************************************/
367 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
368 DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
370 memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
371 memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
372 r_a->status = status;
375 /*************************************************************************
377 *************************************************************************/
379 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
383 fstring remote_machine;
384 DOM_CHAL srv_chal_out;
386 rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
387 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
389 /* We use this as the key to store the creds. */
390 rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
391 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
393 if (!p->dc || !p->dc->challenge_sent) {
394 DEBUG(0,("_net_auth2: no challenge sent to client %s\n",
396 return NT_STATUS_ACCESS_DENIED;
399 if ( (lp_server_schannel() == True) &&
400 ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
402 /* schannel must be used, but client did not offer it. */
403 DEBUG(0,("_net_auth2: schannel required but client failed "
404 "to offer it. Client was %s\n",
406 return NT_STATUS_ACCESS_DENIED;
409 if (!get_md4pw((char *)p->dc->mach_pw, mach_acct)) {
410 DEBUG(0,("_net_auth2: failed to get machine password for "
413 return NT_STATUS_ACCESS_DENIED;
416 /* From the client / server challenges and md4 password, generate sess key */
417 creds_server_init(q_u->clnt_flgs.neg_flags,
419 &p->dc->clnt_chal, /* Stored client chal. */
420 &p->dc->srv_chal, /* Stored server chal. */
424 /* Check client credentials are valid. */
425 if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
426 DEBUG(0,("_net_auth2: creds_server_check failed. Rejecting auth "
427 "request from client %s machine account %s\n",
428 remote_machine, mach_acct ));
429 return NT_STATUS_ACCESS_DENIED;
432 srv_flgs.neg_flags = 0x000001ff;
434 if (lp_server_schannel() != False) {
435 srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
438 /* set up the LSA AUTH 2 response */
439 init_net_r_auth_2(r_u, &srv_chal_out, &srv_flgs, NT_STATUS_OK);
441 fstrcpy(p->dc->mach_acct, mach_acct);
442 fstrcpy(p->dc->remote_machine, remote_machine);
443 fstrcpy(p->dc->domain, lp_workgroup() );
445 p->dc->authenticated = True;
447 /* Store off the state so we can continue after client disconnect. */
449 secrets_store_schannel_session_info(p->mem_ctx,
457 /*************************************************************************
459 *************************************************************************/
461 NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
463 NTSTATUS status = NT_STATUS_ACCESS_DENIED;
464 fstring remote_machine;
465 SAM_ACCOUNT *sampass=NULL;
467 unsigned char pwd[16];
473 DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
475 /* We need the remote machine name for the creds lookup. */
476 rpcstr_pull(remote_machine,q_u->clnt_id.login.uni_comp_name.buffer,
477 sizeof(remote_machine),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
479 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
480 /* 'server schannel = yes' should enforce use of
481 schannel, the client did offer it in auth2, but
482 obviously did not use it. */
483 DEBUG(0,("_net_srv_pwset: client %s not using schannel for netlogon\n",
485 return NT_STATUS_ACCESS_DENIED;
489 /* Restore the saved state of the netlogon creds. */
491 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
496 return NT_STATUS_INVALID_HANDLE;
500 if (!p->dc || !p->dc->authenticated) {
501 return NT_STATUS_INVALID_HANDLE;
504 DEBUG(3,("_net_srv_pwset: Server Password Set by remote machine:[%s] on account [%s]\n",
505 remote_machine, p->dc->mach_acct));
507 /* Step the creds chain forward. */
508 if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
509 DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
510 "request from client %s machine account %s\n",
511 remote_machine, p->dc->mach_acct ));
512 return NT_STATUS_INVALID_PARAMETER;
515 /* We must store the creds state after an update. */
517 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
520 pdb_init_sam(&sampass);
521 ret=pdb_getsampwnam(sampass, p->dc->mach_acct);
524 /* Ensure the account exists and is a machine account. */
526 acct_ctrl = pdb_get_acct_ctrl(sampass);
529 && (acct_ctrl & ACB_WSTRUST ||
530 acct_ctrl & ACB_SVRTRUST ||
531 acct_ctrl & ACB_DOMTRUST))) {
532 pdb_free_sam(&sampass);
533 return NT_STATUS_NO_SUCH_USER;
536 if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
537 pdb_free_sam(&sampass);
538 return NT_STATUS_ACCOUNT_DISABLED;
541 /* Woah - what does this to to the credential chain ? JRA */
542 cred_hash3( pwd, q_u->pwd, p->dc->sess_key, 0);
544 DEBUG(100,("Server password set : new given value was :\n"));
545 for(i = 0; i < sizeof(pwd); i++)
546 DEBUG(100,("%02X ", pwd[i]));
549 old_pw = pdb_get_nt_passwd(sampass);
551 if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
552 /* Avoid backend modificiations and other fun if the
553 client changed the password to the *same thing* */
558 /* LM password should be NULL for machines */
559 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
560 pdb_free_sam(&sampass);
561 return NT_STATUS_NO_MEMORY;
564 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
565 pdb_free_sam(&sampass);
566 return NT_STATUS_NO_MEMORY;
569 if (!pdb_set_pass_changed_now(sampass)) {
570 pdb_free_sam(&sampass);
571 /* Not quite sure what this one qualifies as, but this will do */
572 return NT_STATUS_UNSUCCESSFUL;
576 r_u->status = pdb_update_sam_account (sampass);
580 /* set up the LSA Server Password Set response */
581 init_net_r_srv_pwset(r_u, &cred_out, status);
583 pdb_free_sam(&sampass);
587 /*************************************************************************
589 *************************************************************************/
591 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
593 fstring remote_machine;
595 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
596 /* 'server schannel = yes' should enforce use of
597 schannel, the client did offer it in auth2, but
598 obviously did not use it. */
599 DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
600 get_remote_machine_name() ));
601 return NT_STATUS_ACCESS_DENIED;
605 if (!get_valid_user_struct(p->vuid))
606 return NT_STATUS_NO_SUCH_USER;
608 /* Get the remote machine name for the creds store. */
609 rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
610 sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
613 /* Restore the saved state of the netlogon creds. */
617 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
622 return NT_STATUS_INVALID_HANDLE;
626 if (!p->dc || !p->dc->authenticated) {
627 return NT_STATUS_INVALID_HANDLE;
630 r_u->buffer_creds = 1; /* yes, we have valid server credentials */
632 /* checks and updates credentials. creates reply credentials */
633 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
634 DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
635 "request from client %s machine account %s\n",
636 remote_machine, p->dc->mach_acct ));
637 return NT_STATUS_INVALID_PARAMETER;
640 /* We must store the creds state after an update. */
642 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
647 r_u->status = NT_STATUS_OK;
651 /*******************************************************************
652 gets a domain user's groups from their already-calculated NT_USER_TOKEN
653 ********************************************************************/
655 static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
656 const DOM_SID *domain_sid,
659 int *numgroups, DOM_GID **pgids)
666 for (i=0; i<num_sids; i++) {
668 if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
671 gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
673 ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
674 if (*pgids == NULL) {
675 return NT_STATUS_NO_MEMORY;
681 /*************************************************************************
683 *************************************************************************/
685 static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
686 NET_Q_SAM_LOGON *q_u,
687 NET_R_SAM_LOGON *r_u,
690 NTSTATUS status = NT_STATUS_OK;
691 NET_USER_INFO_3 *usr_info = NULL;
692 NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
693 UNISTR2 *uni_samlogon_user = NULL;
694 UNISTR2 *uni_samlogon_domain = NULL;
695 UNISTR2 *uni_samlogon_workstation = NULL;
696 fstring nt_username, nt_domain, nt_workstation;
697 auth_usersupplied_info *user_info = NULL;
698 auth_serversupplied_info *server_info = NULL;
700 struct auth_context *auth_context = NULL;
702 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
703 /* 'server schannel = yes' should enforce use of
704 schannel, the client did offer it in auth2, but
705 obviously did not use it. */
706 DEBUG(0,("_net_sam_logon_internal: client %s not using schannel for netlogon\n",
707 get_remote_machine_name() ));
708 return NT_STATUS_ACCESS_DENIED;
711 usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
713 return NT_STATUS_NO_MEMORY;
716 ZERO_STRUCTP(usr_info);
718 /* store the user information, if there is any. */
719 r_u->user = usr_info;
720 r_u->auth_resp = 1; /* authoritative response */
721 if (q_u->validation_level != 2 && q_u->validation_level != 3) {
722 DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level ));
723 return NT_STATUS_ACCESS_DENIED;
725 /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */
726 r_u->switch_value = q_u->validation_level; /* indicates type of validation user info */
727 r_u->buffer_creds = 1; /* Ensure we always return server creds. */
729 if (!get_valid_user_struct(p->vuid))
730 return NT_STATUS_NO_SUCH_USER;
733 fstring remote_machine;
735 /* Get the remote machine name for the creds store. */
736 /* Note this is the remote machine this request is coming from (member server),
737 not neccessarily the workstation name the user is logging onto.
739 rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
740 sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
743 /* Restore the saved state of the netlogon creds. */
747 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
752 return NT_STATUS_INVALID_HANDLE;
756 if (!p->dc || !p->dc->authenticated) {
757 return NT_STATUS_INVALID_HANDLE;
760 /* checks and updates credentials. creates reply credentials */
761 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
762 DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
763 "request from client %s machine account %s\n",
764 remote_machine, p->dc->mach_acct ));
765 return NT_STATUS_INVALID_PARAMETER;
768 /* We must store the creds state after an update. */
770 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
776 switch (q_u->sam_id.logon_level) {
777 case INTERACTIVE_LOGON_TYPE:
778 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
779 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
781 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
783 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
786 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
787 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
788 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
790 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
793 DEBUG(2,("SAM Logon: unsupported switch value\n"));
794 return NT_STATUS_INVALID_INFO_CLASS;
797 rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
798 rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
799 rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
801 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
802 fstrcpy(current_user_info.smb_name, nt_username);
803 sub_set_smb_name(nt_username);
805 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
807 status = NT_STATUS_OK;
809 switch (ctr->switch_value) {
812 const char *wksname = nt_workstation;
814 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
818 /* For a network logon, the workstation name comes in with two
819 * backslashes in the front. Strip them if they are there. */
821 if (*wksname == '\\') wksname++;
822 if (*wksname == '\\') wksname++;
824 /* Standard challenge/response authenticaion */
825 if (!make_user_info_netlogon_network(&user_info,
826 nt_username, nt_domain,
828 ctr->auth.id2.param_ctrl,
829 ctr->auth.id2.lm_chal_resp.buffer,
830 ctr->auth.id2.lm_chal_resp.str_str_len,
831 ctr->auth.id2.nt_chal_resp.buffer,
832 ctr->auth.id2.nt_chal_resp.str_str_len)) {
833 status = NT_STATUS_NO_MEMORY;
837 case INTERACTIVE_LOGON_TYPE:
838 /* 'Interactive' authentication, supplies the password in its
839 MD4 form, encrypted with the session key. We will convert
840 this to challenge/response for the auth subsystem to chew
845 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
849 chal = auth_context->get_ntlm_challenge(auth_context);
851 if (!make_user_info_netlogon_interactive(&user_info,
852 nt_username, nt_domain,
854 ctr->auth.id1.param_ctrl,
856 ctr->auth.id1.lm_owf.data,
857 ctr->auth.id1.nt_owf.data,
859 status = NT_STATUS_NO_MEMORY;
864 DEBUG(2,("SAM Logon: unsupported switch value\n"));
865 return NT_STATUS_INVALID_INFO_CLASS;
868 if ( NT_STATUS_IS_OK(status) ) {
869 status = auth_context->check_ntlm_password(auth_context,
870 user_info, &server_info);
873 (auth_context->free)(&auth_context);
874 free_user_info(&user_info);
876 DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
879 /* Check account and password */
881 if (!NT_STATUS_IS_OK(status)) {
882 /* If we don't know what this domain is, we need to
883 indicate that we are not authoritative. This
884 allows the client to decide if it needs to try
885 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
886 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
887 && !strequal(nt_domain, get_global_sam_name())
888 && !is_trusted_domain(nt_domain) )
889 r_u->auth_resp = 0; /* We are not authoritative */
891 TALLOC_FREE(server_info);
895 if (server_info->guest) {
896 /* We don't like guest domain logons... */
897 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST "
899 TALLOC_FREE(server_info);
900 return NT_STATUS_LOGON_FAILURE;
903 /* This is the point at which, if the login was successful, that
904 the SAM Local Security Authority should record that the user is
905 logged in to the domain. */
908 DOM_GID *gids = NULL;
909 const DOM_SID *user_sid = NULL;
910 const DOM_SID *group_sid = NULL;
912 uint32 user_rid, group_rid;
916 fstring user_sid_string;
917 fstring group_sid_string;
918 unsigned char user_session_key[16];
919 unsigned char lm_session_key[16];
920 unsigned char pipe_session_key[16];
922 sampw = server_info->sam_account;
924 /* set up pointer indicating user/password failed to be
926 usr_info->ptr_user_info = 0;
928 user_sid = pdb_get_user_sid(sampw);
929 group_sid = pdb_get_group_sid(sampw);
931 sid_copy(&domain_sid, user_sid);
932 sid_split_rid(&domain_sid, &user_rid);
934 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
935 DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid "
936 "%s\n but group sid %s.\n"
937 "The conflicting domain portions are not "
938 "supported for NETLOGON calls\n",
939 pdb_get_domain(sampw),
940 pdb_get_username(sampw),
941 sid_to_string(user_sid_string, user_sid),
942 sid_to_string(group_sid_string, group_sid)));
943 return NT_STATUS_UNSUCCESSFUL;
947 if(server_info->login_server) {
948 pstrcpy(my_name, server_info->login_server);
950 pstrcpy(my_name, global_myname());
953 status = nt_token_to_group_list(p->mem_ctx, &domain_sid,
954 server_info->num_sids,
958 if (!NT_STATUS_IS_OK(status)) {
962 if (server_info->user_session_key.length) {
963 memcpy(user_session_key,
964 server_info->user_session_key.data,
965 MIN(sizeof(user_session_key),
966 server_info->user_session_key.length));
968 /* Get the pipe session key from the creds. */
969 memcpy(pipe_session_key, p->dc->sess_key, 16);
971 /* Get the pipe session key from the schannel. */
972 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || 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);
977 SamOEMhash(user_session_key, pipe_session_key, 16);
978 memset(pipe_session_key, '\0', 16);
980 if (server_info->lm_session_key.length) {
981 memcpy(lm_session_key,
982 server_info->lm_session_key.data,
983 MIN(sizeof(lm_session_key),
984 server_info->lm_session_key.length));
986 /* Get the pipe session key from the creds. */
987 memcpy(pipe_session_key, p->dc->sess_key, 16);
989 /* Get the pipe session key from the schannel. */
990 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
991 return NT_STATUS_INVALID_HANDLE;
993 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
995 SamOEMhash(lm_session_key, pipe_session_key, 16);
996 memset(pipe_session_key, '\0', 16);
999 init_net_user_info3(p->mem_ctx, usr_info,
1002 pdb_get_username(sampw),
1003 pdb_get_fullname(sampw),
1004 pdb_get_homedir(sampw),
1005 pdb_get_dir_drive(sampw),
1006 pdb_get_logon_script(sampw),
1007 pdb_get_profile_path(sampw),
1008 pdb_get_logon_time(sampw),
1011 pdb_get_pass_last_set_time(sampw),
1012 pdb_get_pass_can_change_time(sampw),
1013 pdb_get_pass_must_change_time(sampw),
1015 0, /* logon_count */
1016 0, /* bad_pw_count */
1017 num_gids, /* uint32 num_groups */
1018 gids , /* DOM_GID *gids */
1019 0x20 , /* uint32 user_flgs (?) */
1020 server_info->user_session_key.length ? user_session_key : NULL,
1021 server_info->lm_session_key.length ? lm_session_key : NULL,
1022 my_name , /* char *logon_srv */
1023 pdb_get_domain(sampw),
1024 &domain_sid); /* DOM_SID *dom_sid */
1025 ZERO_STRUCT(user_session_key);
1026 ZERO_STRUCT(lm_session_key);
1028 TALLOC_FREE(server_info);
1032 /*************************************************************************
1034 *************************************************************************/
1036 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
1038 return _net_sam_logon_internal(p, q_u, r_u, True);
1041 /*************************************************************************
1042 _net_sam_logon_ex - no credential chaining. Map into net sam logon.
1043 *************************************************************************/
1045 NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u)
1053 /* Only allow this if the pipe is protected. */
1054 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1055 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
1056 get_remote_machine_name() ));
1057 return NT_STATUS_INVALID_PARAMETER;
1060 /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */
1061 q.validation_level = q_u->validation_level;
1063 /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */
1064 q.sam_id.client.login = q_u->sam_id.client;
1065 q.sam_id.logon_level = q_u->sam_id.logon_level;
1066 q.sam_id.ctr = q_u->sam_id.ctr;
1068 r_u->status = _net_sam_logon_internal(p, &q, &r, False);
1070 if (!NT_STATUS_IS_OK(r_u->status)) {
1074 /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */
1075 r_u->switch_value = r.switch_value;
1077 r_u->auth_resp = r.auth_resp;
1078 r_u->flags = 0; /* FIXME ! */
1082 /*************************************************************************
1084 *************************************************************************/
1085 #if 0 /* JERRY -- not correct */
1086 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1087 DS_R_ENUM_DOM_TRUSTS *r_u)
1089 NTSTATUS status = NT_STATUS_OK;
1091 /* TODO: According to MSDN, the can only be executed against a
1092 DC or domain member running Windows 2000 or later. Need
1093 to test against a standalone 2k server and see what it
1094 does. A windows 2000 DC includes its own domain in the