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 NTSTATUS get_md4pw(char *md4pw, char *mach_acct, uint16 sec_chan_type)
209 struct samu *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 ( !(sampass = samu_new( NULL )) ) {
233 return NT_STATUS_NO_MEMORY;
236 /* JRA. This is ok as it is only used for generating the challenge. */
238 ret = pdb_getsampwnam(sampass, mach_acct);
242 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
243 TALLOC_FREE(sampass);
244 return NT_STATUS_ACCESS_DENIED;
247 acct_ctrl = pdb_get_acct_ctrl(sampass);
248 if (acct_ctrl & ACB_DISABLED) {
249 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
250 TALLOC_FREE(sampass);
251 return NT_STATUS_ACCOUNT_DISABLED;
254 if (!(acct_ctrl & ACB_SVRTRUST) &&
255 !(acct_ctrl & ACB_WSTRUST) &&
256 !(acct_ctrl & ACB_DOMTRUST))
258 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
259 TALLOC_FREE(sampass);
260 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
263 switch (sec_chan_type) {
265 if (!(acct_ctrl & ACB_SVRTRUST)) {
266 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
267 "but not a server trust account\n", mach_acct));
268 TALLOC_FREE(sampass);
269 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
272 if (!(acct_ctrl & ACB_WSTRUST)) {
273 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
274 "but not a workstation trust account\n", mach_acct));
275 TALLOC_FREE(sampass);
276 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
278 case SEC_CHAN_DOMAIN:
279 if (!(acct_ctrl & ACB_DOMTRUST)) {
280 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
281 "but not a interdomain trust account\n", mach_acct));
282 TALLOC_FREE(sampass);
283 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
289 if ((pass = pdb_get_nt_passwd(sampass)) == NULL) {
290 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
291 TALLOC_FREE(sampass);
292 return NT_STATUS_LOGON_FAILURE;
295 memcpy(md4pw, pass, 16);
296 dump_data(5, md4pw, 16);
298 TALLOC_FREE(sampass);
305 /*************************************************************************
307 *************************************************************************/
309 NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
312 p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
314 return NT_STATUS_NO_MEMORY;
317 DEBUG(10,("_net_req_chal: new challenge requested. Clearing old state.\n"));
321 rpcstr_pull(p->dc->remote_machine,
322 q_u->uni_logon_clnt.buffer,
323 sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
325 /* Save the client challenge to the server. */
326 memcpy(p->dc->clnt_chal.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
328 /* Create a server challenge for the client */
329 /* Set this to a random value. */
330 generate_random_buffer(p->dc->srv_chal.data, 8);
332 /* set up the LSA REQUEST CHALLENGE response */
333 init_net_r_req_chal(r_u, &p->dc->srv_chal, NT_STATUS_OK);
335 p->dc->challenge_sent = True;
340 /*************************************************************************
342 *************************************************************************/
344 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
346 memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
347 r_a->status = status;
350 /*************************************************************************
351 _net_auth. Create the initial credentials.
352 *************************************************************************/
354 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
358 fstring remote_machine;
359 DOM_CHAL srv_chal_out;
361 if (!p->dc || !p->dc->challenge_sent) {
362 return NT_STATUS_ACCESS_DENIED;
365 rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
366 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
367 rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
368 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
370 status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan);
371 if (!NT_STATUS_IS_OK(status)) {
372 DEBUG(0,("_net_auth: creds_server_check failed. Failed to "
373 "get password for machine account %s "
374 "from client %s: %s\n",
375 mach_acct, remote_machine, nt_errstr(status) ));
376 /* always return NT_STATUS_ACCESS_DENIED */
377 return NT_STATUS_ACCESS_DENIED;
380 /* From the client / server challenges and md4 password, generate sess key */
381 creds_server_init(0, /* No neg flags. */
383 &p->dc->clnt_chal, /* Stored client chal. */
384 &p->dc->srv_chal, /* Stored server chal. */
388 /* Check client credentials are valid. */
389 if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
390 DEBUG(0,("_net_auth: creds_server_check failed. Rejecting auth "
391 "request from client %s machine account %s\n",
392 remote_machine, mach_acct ));
393 return NT_STATUS_ACCESS_DENIED;
396 fstrcpy(p->dc->mach_acct, mach_acct);
397 fstrcpy(p->dc->remote_machine, remote_machine);
398 p->dc->authenticated = True;
400 /* set up the LSA AUTH response */
401 /* Return the server credentials. */
402 init_net_r_auth(r_u, &srv_chal_out, NT_STATUS_OK);
407 /*************************************************************************
409 *************************************************************************/
411 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
412 DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
414 memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
415 memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
416 r_a->status = status;
419 /*************************************************************************
421 *************************************************************************/
423 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
428 fstring remote_machine;
429 DOM_CHAL srv_chal_out;
431 rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
432 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
434 /* We use this as the key to store the creds. */
435 rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
436 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
438 if (!p->dc || !p->dc->challenge_sent) {
439 DEBUG(0,("_net_auth2: no challenge sent to client %s\n",
441 return NT_STATUS_ACCESS_DENIED;
444 if ( (lp_server_schannel() == True) &&
445 ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
447 /* schannel must be used, but client did not offer it. */
448 DEBUG(0,("_net_auth2: schannel required but client failed "
449 "to offer it. Client was %s\n",
451 return NT_STATUS_ACCESS_DENIED;
454 status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan);
455 if (!NT_STATUS_IS_OK(status)) {
456 DEBUG(0,("_net_auth2: failed to get machine password for "
458 mach_acct, nt_errstr(status) ));
459 /* always return NT_STATUS_ACCESS_DENIED */
460 return NT_STATUS_ACCESS_DENIED;
463 /* From the client / server challenges and md4 password, generate sess key */
464 creds_server_init(q_u->clnt_flgs.neg_flags,
466 &p->dc->clnt_chal, /* Stored client chal. */
467 &p->dc->srv_chal, /* Stored server chal. */
471 /* Check client credentials are valid. */
472 if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
473 DEBUG(0,("_net_auth2: creds_server_check failed. Rejecting auth "
474 "request from client %s machine account %s\n",
475 remote_machine, mach_acct ));
476 return NT_STATUS_ACCESS_DENIED;
479 srv_flgs.neg_flags = 0x000001ff;
481 if (lp_server_schannel() != False) {
482 srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
485 /* set up the LSA AUTH 2 response */
486 init_net_r_auth_2(r_u, &srv_chal_out, &srv_flgs, NT_STATUS_OK);
488 fstrcpy(p->dc->mach_acct, mach_acct);
489 fstrcpy(p->dc->remote_machine, remote_machine);
490 fstrcpy(p->dc->domain, lp_workgroup() );
492 p->dc->authenticated = True;
494 /* Store off the state so we can continue after client disconnect. */
496 secrets_store_schannel_session_info(p->mem_ctx,
504 /*************************************************************************
506 *************************************************************************/
508 NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
510 NTSTATUS status = NT_STATUS_ACCESS_DENIED;
511 fstring remote_machine;
512 struct samu *sampass=NULL;
514 unsigned char pwd[16];
520 DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
522 /* We need the remote machine name for the creds lookup. */
523 rpcstr_pull(remote_machine,q_u->clnt_id.login.uni_comp_name.buffer,
524 sizeof(remote_machine),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
526 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
527 /* 'server schannel = yes' should enforce use of
528 schannel, the client did offer it in auth2, but
529 obviously did not use it. */
530 DEBUG(0,("_net_srv_pwset: client %s not using schannel for netlogon\n",
532 return NT_STATUS_ACCESS_DENIED;
536 /* Restore the saved state of the netlogon creds. */
538 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
543 return NT_STATUS_INVALID_HANDLE;
547 if (!p->dc || !p->dc->authenticated) {
548 return NT_STATUS_INVALID_HANDLE;
551 DEBUG(3,("_net_srv_pwset: Server Password Set by remote machine:[%s] on account [%s]\n",
552 remote_machine, p->dc->mach_acct));
554 /* Step the creds chain forward. */
555 if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
556 DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
557 "request from client %s machine account %s\n",
558 remote_machine, p->dc->mach_acct ));
559 return NT_STATUS_INVALID_PARAMETER;
562 /* We must store the creds state after an update. */
564 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
567 if ( (sampass = samu_new( NULL )) != NULL ) {
568 ret = pdb_getsampwnam(sampass, p->dc->mach_acct);
573 return NT_STATUS_NO_MEMORY;
575 /* Ensure the account exists and is a machine account. */
577 acct_ctrl = pdb_get_acct_ctrl(sampass);
580 && (acct_ctrl & ACB_WSTRUST ||
581 acct_ctrl & ACB_SVRTRUST ||
582 acct_ctrl & ACB_DOMTRUST))) {
583 TALLOC_FREE(sampass);
584 return NT_STATUS_NO_SUCH_USER;
587 if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
588 TALLOC_FREE(sampass);
589 return NT_STATUS_ACCOUNT_DISABLED;
592 /* Woah - what does this to to the credential chain ? JRA */
593 cred_hash3( pwd, q_u->pwd, p->dc->sess_key, 0);
595 DEBUG(100,("Server password set : new given value was :\n"));
596 for(i = 0; i < sizeof(pwd); i++)
597 DEBUG(100,("%02X ", pwd[i]));
600 old_pw = pdb_get_nt_passwd(sampass);
602 if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
603 /* Avoid backend modificiations and other fun if the
604 client changed the password to the *same thing* */
609 /* LM password should be NULL for machines */
610 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
611 TALLOC_FREE(sampass);
612 return NT_STATUS_NO_MEMORY;
615 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
616 TALLOC_FREE(sampass);
617 return NT_STATUS_NO_MEMORY;
620 if (!pdb_set_pass_changed_now(sampass)) {
621 TALLOC_FREE(sampass);
622 /* Not quite sure what this one qualifies as, but this will do */
623 return NT_STATUS_UNSUCCESSFUL;
627 r_u->status = pdb_update_sam_account (sampass);
631 /* set up the LSA Server Password Set response */
632 init_net_r_srv_pwset(r_u, &cred_out, status);
634 TALLOC_FREE(sampass);
638 /*************************************************************************
640 *************************************************************************/
642 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
644 fstring remote_machine;
646 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
647 /* 'server schannel = yes' should enforce use of
648 schannel, the client did offer it in auth2, but
649 obviously did not use it. */
650 DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
651 get_remote_machine_name() ));
652 return NT_STATUS_ACCESS_DENIED;
656 if (!get_valid_user_struct(p->vuid))
657 return NT_STATUS_NO_SUCH_USER;
659 /* Get the remote machine name for the creds store. */
660 rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
661 sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
664 /* Restore the saved state of the netlogon creds. */
668 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
673 return NT_STATUS_INVALID_HANDLE;
677 if (!p->dc || !p->dc->authenticated) {
678 return NT_STATUS_INVALID_HANDLE;
681 r_u->buffer_creds = 1; /* yes, we have valid server credentials */
683 /* checks and updates credentials. creates reply credentials */
684 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
685 DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
686 "request from client %s machine account %s\n",
687 remote_machine, p->dc->mach_acct ));
688 return NT_STATUS_INVALID_PARAMETER;
691 /* We must store the creds state after an update. */
693 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
698 r_u->status = NT_STATUS_OK;
702 /*******************************************************************
703 gets a domain user's groups from their already-calculated NT_USER_TOKEN
704 ********************************************************************/
706 static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
707 const DOM_SID *domain_sid,
710 int *numgroups, DOM_GID **pgids)
717 for (i=0; i<num_sids; i++) {
719 if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
722 gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
724 ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
725 if (*pgids == NULL) {
726 return NT_STATUS_NO_MEMORY;
732 /*************************************************************************
734 *************************************************************************/
736 static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
737 NET_Q_SAM_LOGON *q_u,
738 NET_R_SAM_LOGON *r_u,
741 NTSTATUS status = NT_STATUS_OK;
742 NET_USER_INFO_3 *usr_info = NULL;
743 NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
744 UNISTR2 *uni_samlogon_user = NULL;
745 UNISTR2 *uni_samlogon_domain = NULL;
746 UNISTR2 *uni_samlogon_workstation = NULL;
747 fstring nt_username, nt_domain, nt_workstation;
748 auth_usersupplied_info *user_info = NULL;
749 auth_serversupplied_info *server_info = NULL;
751 struct auth_context *auth_context = NULL;
753 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
754 /* 'server schannel = yes' should enforce use of
755 schannel, the client did offer it in auth2, but
756 obviously did not use it. */
757 DEBUG(0,("_net_sam_logon_internal: client %s not using schannel for netlogon\n",
758 get_remote_machine_name() ));
759 return NT_STATUS_ACCESS_DENIED;
762 usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
764 return NT_STATUS_NO_MEMORY;
767 ZERO_STRUCTP(usr_info);
769 /* store the user information, if there is any. */
770 r_u->user = usr_info;
771 r_u->auth_resp = 1; /* authoritative response */
772 if (q_u->validation_level != 2 && q_u->validation_level != 3) {
773 DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level ));
774 return NT_STATUS_ACCESS_DENIED;
776 /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */
777 r_u->switch_value = q_u->validation_level; /* indicates type of validation user info */
778 r_u->buffer_creds = 1; /* Ensure we always return server creds. */
780 if (!get_valid_user_struct(p->vuid))
781 return NT_STATUS_NO_SUCH_USER;
784 fstring remote_machine;
786 /* Get the remote machine name for the creds store. */
787 /* Note this is the remote machine this request is coming from (member server),
788 not neccessarily the workstation name the user is logging onto.
790 rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
791 sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
794 /* Restore the saved state of the netlogon creds. */
798 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
803 return NT_STATUS_INVALID_HANDLE;
807 if (!p->dc || !p->dc->authenticated) {
808 return NT_STATUS_INVALID_HANDLE;
811 /* checks and updates credentials. creates reply credentials */
812 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
813 DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
814 "request from client %s machine account %s\n",
815 remote_machine, p->dc->mach_acct ));
816 return NT_STATUS_INVALID_PARAMETER;
819 /* We must store the creds state after an update. */
821 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
827 switch (q_u->sam_id.logon_level) {
828 case INTERACTIVE_LOGON_TYPE:
829 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
830 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
832 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
834 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
837 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
838 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
839 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
841 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
844 DEBUG(2,("SAM Logon: unsupported switch value\n"));
845 return NT_STATUS_INVALID_INFO_CLASS;
848 rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
849 rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
850 rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
852 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
853 fstrcpy(current_user_info.smb_name, nt_username);
854 sub_set_smb_name(nt_username);
856 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
858 status = NT_STATUS_OK;
860 switch (ctr->switch_value) {
863 const char *wksname = nt_workstation;
865 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
869 /* For a network logon, the workstation name comes in with two
870 * backslashes in the front. Strip them if they are there. */
872 if (*wksname == '\\') wksname++;
873 if (*wksname == '\\') wksname++;
875 /* Standard challenge/response authenticaion */
876 if (!make_user_info_netlogon_network(&user_info,
877 nt_username, nt_domain,
879 ctr->auth.id2.param_ctrl,
880 ctr->auth.id2.lm_chal_resp.buffer,
881 ctr->auth.id2.lm_chal_resp.str_str_len,
882 ctr->auth.id2.nt_chal_resp.buffer,
883 ctr->auth.id2.nt_chal_resp.str_str_len)) {
884 status = NT_STATUS_NO_MEMORY;
888 case INTERACTIVE_LOGON_TYPE:
889 /* 'Interactive' authentication, supplies the password in its
890 MD4 form, encrypted with the session key. We will convert
891 this to challenge/response for the auth subsystem to chew
896 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
900 chal = auth_context->get_ntlm_challenge(auth_context);
902 if (!make_user_info_netlogon_interactive(&user_info,
903 nt_username, nt_domain,
905 ctr->auth.id1.param_ctrl,
907 ctr->auth.id1.lm_owf.data,
908 ctr->auth.id1.nt_owf.data,
910 status = NT_STATUS_NO_MEMORY;
915 DEBUG(2,("SAM Logon: unsupported switch value\n"));
916 return NT_STATUS_INVALID_INFO_CLASS;
919 if ( NT_STATUS_IS_OK(status) ) {
920 status = auth_context->check_ntlm_password(auth_context,
921 user_info, &server_info);
924 (auth_context->free)(&auth_context);
925 free_user_info(&user_info);
927 DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
930 /* Check account and password */
932 if (!NT_STATUS_IS_OK(status)) {
933 /* If we don't know what this domain is, we need to
934 indicate that we are not authoritative. This
935 allows the client to decide if it needs to try
936 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
937 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
938 && !strequal(nt_domain, get_global_sam_name())
939 && !is_trusted_domain(nt_domain) )
940 r_u->auth_resp = 0; /* We are not authoritative */
942 TALLOC_FREE(server_info);
946 if (server_info->guest) {
947 /* We don't like guest domain logons... */
948 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST "
950 TALLOC_FREE(server_info);
951 return NT_STATUS_LOGON_FAILURE;
954 /* This is the point at which, if the login was successful, that
955 the SAM Local Security Authority should record that the user is
956 logged in to the domain. */
959 DOM_GID *gids = NULL;
960 const DOM_SID *user_sid = NULL;
961 const DOM_SID *group_sid = NULL;
963 uint32 user_rid, group_rid;
967 fstring user_sid_string;
968 fstring group_sid_string;
969 unsigned char user_session_key[16];
970 unsigned char lm_session_key[16];
971 unsigned char pipe_session_key[16];
973 sampw = server_info->sam_account;
975 /* set up pointer indicating user/password failed to be
977 usr_info->ptr_user_info = 0;
979 user_sid = pdb_get_user_sid(sampw);
980 group_sid = pdb_get_group_sid(sampw);
982 sid_copy(&domain_sid, user_sid);
983 sid_split_rid(&domain_sid, &user_rid);
985 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
986 DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid "
987 "%s\n but group sid %s.\n"
988 "The conflicting domain portions are not "
989 "supported for NETLOGON calls\n",
990 pdb_get_domain(sampw),
991 pdb_get_username(sampw),
992 sid_to_string(user_sid_string, user_sid),
993 sid_to_string(group_sid_string, group_sid)));
994 return NT_STATUS_UNSUCCESSFUL;
998 if(server_info->login_server) {
999 pstrcpy(my_name, server_info->login_server);
1001 pstrcpy(my_name, global_myname());
1004 status = nt_token_to_group_list(p->mem_ctx, &domain_sid,
1005 server_info->num_sids,
1009 if (!NT_STATUS_IS_OK(status)) {
1013 if (server_info->user_session_key.length) {
1014 memcpy(user_session_key,
1015 server_info->user_session_key.data,
1016 MIN(sizeof(user_session_key),
1017 server_info->user_session_key.length));
1018 if (process_creds) {
1019 /* Get the pipe session key from the creds. */
1020 memcpy(pipe_session_key, p->dc->sess_key, 16);
1022 /* Get the pipe session key from the schannel. */
1023 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
1024 return NT_STATUS_INVALID_HANDLE;
1026 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
1028 SamOEMhash(user_session_key, pipe_session_key, 16);
1029 memset(pipe_session_key, '\0', 16);
1031 if (server_info->lm_session_key.length) {
1032 memcpy(lm_session_key,
1033 server_info->lm_session_key.data,
1034 MIN(sizeof(lm_session_key),
1035 server_info->lm_session_key.length));
1036 if (process_creds) {
1037 /* Get the pipe session key from the creds. */
1038 memcpy(pipe_session_key, p->dc->sess_key, 16);
1040 /* Get the pipe session key from the schannel. */
1041 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
1042 return NT_STATUS_INVALID_HANDLE;
1044 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
1046 SamOEMhash(lm_session_key, pipe_session_key, 16);
1047 memset(pipe_session_key, '\0', 16);
1050 init_net_user_info3(p->mem_ctx, usr_info,
1053 pdb_get_username(sampw),
1054 pdb_get_fullname(sampw),
1055 pdb_get_homedir(sampw),
1056 pdb_get_dir_drive(sampw),
1057 pdb_get_logon_script(sampw),
1058 pdb_get_profile_path(sampw),
1059 pdb_get_logon_time(sampw),
1062 pdb_get_pass_last_set_time(sampw),
1063 pdb_get_pass_can_change_time(sampw),
1064 pdb_get_pass_must_change_time(sampw),
1065 0, /* logon_count */
1066 0, /* bad_pw_count */
1067 num_gids, /* uint32 num_groups */
1068 gids , /* DOM_GID *gids */
1069 LOGON_EXTRA_SIDS, /* uint32 user_flgs (?) */
1070 pdb_get_acct_ctrl(sampw),
1071 server_info->user_session_key.length ? user_session_key : NULL,
1072 server_info->lm_session_key.length ? lm_session_key : NULL,
1073 my_name , /* char *logon_srv */
1074 pdb_get_domain(sampw),
1075 &domain_sid); /* DOM_SID *dom_sid */
1076 ZERO_STRUCT(user_session_key);
1077 ZERO_STRUCT(lm_session_key);
1079 TALLOC_FREE(server_info);
1083 /*************************************************************************
1085 *************************************************************************/
1087 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
1089 return _net_sam_logon_internal(p, q_u, r_u, True);
1092 /*************************************************************************
1093 _net_sam_logon_ex - no credential chaining. Map into net sam logon.
1094 *************************************************************************/
1096 NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u)
1104 /* Only allow this if the pipe is protected. */
1105 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1106 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
1107 get_remote_machine_name() ));
1108 return NT_STATUS_INVALID_PARAMETER;
1111 /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */
1112 q.validation_level = q_u->validation_level;
1114 /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */
1115 q.sam_id.client.login = q_u->sam_id.client;
1116 q.sam_id.logon_level = q_u->sam_id.logon_level;
1117 q.sam_id.ctr = q_u->sam_id.ctr;
1119 r_u->status = _net_sam_logon_internal(p, &q, &r, False);
1121 if (!NT_STATUS_IS_OK(r_u->status)) {
1125 /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */
1126 r_u->switch_value = r.switch_value;
1128 r_u->auth_resp = r.auth_resp;
1129 r_u->flags = 0; /* FIXME ! */
1133 /*************************************************************************
1135 *************************************************************************/
1136 #if 0 /* JERRY -- not correct */
1137 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1138 DS_R_ENUM_DOM_TRUSTS *r_u)
1140 NTSTATUS status = NT_STATUS_OK;
1142 /* TODO: According to MSDN, the can only be executed against a
1143 DC or domain member running Windows 2000 or later. Need
1144 to test against a standalone 2k server and see what it
1145 does. A windows 2000 DC includes its own domain in the