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 /* Remember the workstation name. This is what we'll use to look
285 up the secrets.tdb record later. */
286 fstrcpy(p->wks, p->dc->remote_machine);
288 /* Save the client challenge to the server. */
289 memcpy(p->dc->clnt_chal.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
291 /* Create a server challenge for the client */
292 /* Set this to a random value. */
293 generate_random_buffer(p->dc->srv_chal.data, 8);
295 /* set up the LSA REQUEST CHALLENGE response */
296 init_net_r_req_chal(r_u, &p->dc->srv_chal, NT_STATUS_OK);
298 p->dc->challenge_sent = True;
303 /*************************************************************************
305 *************************************************************************/
307 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
309 memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
310 r_a->status = status;
313 /*************************************************************************
314 _net_auth. Create the initial credentials.
315 *************************************************************************/
317 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
320 fstring remote_machine;
321 DOM_CHAL srv_chal_out;
323 if (!p->dc || !p->dc->challenge_sent) {
324 return NT_STATUS_ACCESS_DENIED;
327 rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
328 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
329 rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
330 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
332 if (!get_md4pw((char *)p->dc->mach_pw, mach_acct)) {
333 DEBUG(0,("_net_auth: creds_server_check failed. Failed to "
334 "get pasword for machine account %s "
336 mach_acct, remote_machine ));
337 return NT_STATUS_ACCESS_DENIED;
340 /* From the client / server challenges and md4 password, generate sess key */
341 creds_server_init(0, /* No neg flags. */
343 &p->dc->clnt_chal, /* Stored client chal. */
344 &p->dc->srv_chal, /* Stored server chal. */
345 (const char *)p->dc->mach_pw,
348 /* Check client credentials are valid. */
349 if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
350 DEBUG(0,("_net_auth: creds_server_check failed. Rejecting auth "
351 "request from client %s machine account %s\n",
352 remote_machine, mach_acct ));
353 return NT_STATUS_ACCESS_DENIED;
356 fstrcpy(p->dc->mach_acct, mach_acct);
357 fstrcpy(p->dc->remote_machine, remote_machine);
358 p->dc->authenticated = True;
360 /* set up the LSA AUTH response */
361 /* Return the server credentials. */
362 init_net_r_auth(r_u, &srv_chal_out, NT_STATUS_OK);
367 /*************************************************************************
369 *************************************************************************/
371 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
372 DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
374 memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
375 memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
376 r_a->status = status;
379 /*************************************************************************
381 *************************************************************************/
383 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
387 fstring remote_machine;
388 DOM_CHAL srv_chal_out;
390 rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
391 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
392 rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
393 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
395 if (!p->dc || !p->dc->challenge_sent) {
396 DEBUG(0,("_net_auth2: no challenge sent to client %s\n",
398 return NT_STATUS_ACCESS_DENIED;
401 if ( (lp_server_schannel() == True) &&
402 ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
404 /* schannel must be used, but client did not offer it. */
405 DEBUG(0,("_net_auth2: schannel required but client failed "
406 "to offer it. Client was %s\n",
408 return NT_STATUS_ACCESS_DENIED;
411 if (!get_md4pw((char *)p->dc->mach_pw, mach_acct)) {
412 DEBUG(0,("_net_auth2: failed to get machine password for "
415 return NT_STATUS_ACCESS_DENIED;
418 /* From the client / server challenges and md4 password, generate sess key */
419 creds_server_init(q_u->clnt_flgs.neg_flags,
421 &p->dc->clnt_chal, /* Stored client chal. */
422 &p->dc->srv_chal, /* Stored server chal. */
423 (const char *)p->dc->mach_pw,
426 /* Check client credentials are valid. */
427 if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
428 DEBUG(0,("_net_auth2: creds_server_check failed. Rejecting auth "
429 "request from client %s machine account %s\n",
430 remote_machine, mach_acct ));
431 return NT_STATUS_ACCESS_DENIED;
434 srv_flgs.neg_flags = 0x000001ff;
436 if (lp_server_schannel() != False) {
437 srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
440 /* set up the LSA AUTH 2 response */
441 init_net_r_auth_2(r_u, &srv_chal_out, &srv_flgs, NT_STATUS_OK);
443 fstrcpy(p->dc->mach_acct, mach_acct);
444 fstrcpy(p->dc->remote_machine, remote_machine);
445 fstrcpy(p->dc->domain, lp_workgroup() );
447 p->dc->authenticated = True;
449 /* Store off the state so we can continue after client disconnect. */
451 secrets_store_schannel_session_info(p->mem_ctx, p->dc);
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;
465 SAM_ACCOUNT *sampass=NULL;
467 unsigned char pwd[16];
473 DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
475 /* We need the workstation name for the creds lookup. */
476 rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
477 sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
480 /* Restore the saved state of the netlogon creds. */
482 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
487 return NT_STATUS_INVALID_HANDLE;
491 if (!p->dc || !p->dc->authenticated) {
492 return NT_STATUS_INVALID_HANDLE;
495 DEBUG(3,("_net_srv_pwset: Server Password Set by Wksta:[%s] on account [%s]\n",
496 workstation, p->dc->mach_acct));
498 /* Step the creds chain forward. */
499 if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
500 DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
501 "request from client %s machine account %s\n",
502 p->dc->remote_machine, p->dc->mach_acct ));
503 return NT_STATUS_INVALID_PARAMETER;
506 /* We must store the creds state after an update. */
508 secrets_store_schannel_session_info(p->pipe_state_mem_ctx, p->dc);
509 pdb_init_sam(&sampass);
510 ret=pdb_getsampwnam(sampass, p->dc->mach_acct);
513 /* Ensure the account exists and is a machine account. */
515 acct_ctrl = pdb_get_acct_ctrl(sampass);
518 && (acct_ctrl & ACB_WSTRUST ||
519 acct_ctrl & ACB_SVRTRUST ||
520 acct_ctrl & ACB_DOMTRUST))) {
521 pdb_free_sam(&sampass);
522 return NT_STATUS_NO_SUCH_USER;
525 if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
526 pdb_free_sam(&sampass);
527 return NT_STATUS_ACCOUNT_DISABLED;
530 /* Woah - what does this to to the credential chain ? JRA */
531 cred_hash3( pwd, q_u->pwd, p->dc->sess_key, 0);
533 DEBUG(100,("Server password set : new given value was :\n"));
534 for(i = 0; i < sizeof(pwd); i++)
535 DEBUG(100,("%02X ", pwd[i]));
538 old_pw = pdb_get_nt_passwd(sampass);
540 if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
541 /* Avoid backend modificiations and other fun if the
542 client changed the password to the *same thing* */
547 /* LM password should be NULL for machines */
548 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
549 pdb_free_sam(&sampass);
550 return NT_STATUS_NO_MEMORY;
553 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
554 pdb_free_sam(&sampass);
555 return NT_STATUS_NO_MEMORY;
558 if (!pdb_set_pass_changed_now(sampass)) {
559 pdb_free_sam(&sampass);
560 /* Not quite sure what this one qualifies as, but this will do */
561 return NT_STATUS_UNSUCCESSFUL;
565 r_u->status = pdb_update_sam_account (sampass);
569 /* set up the LSA Server Password Set response */
570 init_net_r_srv_pwset(r_u, &cred_out, status);
572 pdb_free_sam(&sampass);
576 /*************************************************************************
578 *************************************************************************/
580 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
584 if (!get_valid_user_struct(p->vuid))
585 return NT_STATUS_NO_SUCH_USER;
588 /* Restore the saved state of the netlogon creds. */
592 rpcstr_pull_unistr2_fstring(workstation, &q_u->sam_id.client.login.uni_comp_name);
595 secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
600 return NT_STATUS_INVALID_HANDLE;
604 if (!p->dc || !p->dc->authenticated) {
605 return NT_STATUS_INVALID_HANDLE;
608 r_u->buffer_creds = 1; /* yes, we have valid server credentials */
610 /* checks and updates credentials. creates reply credentials */
611 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
612 DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
613 "request from client %s machine account %s\n",
614 p->dc->remote_machine, p->dc->mach_acct ));
615 return NT_STATUS_INVALID_PARAMETER;
618 /* We must store the creds state after an update. */
620 secrets_store_schannel_session_info(p->pipe_state_mem_ctx, p->dc);
623 r_u->status = NT_STATUS_OK;
628 /*******************************************************************
629 gets a domain user's groups from their already-calculated NT_USER_TOKEN
630 ********************************************************************/
631 static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
632 const DOM_SID *domain_sid,
635 int *numgroups, DOM_GID **pgids)
642 for (i=0; i<num_sids; i++) {
644 if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
647 gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
649 ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
650 if (*pgids == NULL) {
651 return NT_STATUS_NO_MEMORY;
657 /*************************************************************************
659 *************************************************************************/
661 static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
662 NET_Q_SAM_LOGON *q_u,
663 NET_R_SAM_LOGON *r_u,
666 NTSTATUS status = NT_STATUS_OK;
667 NET_USER_INFO_3 *usr_info = NULL;
668 NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
669 UNISTR2 *uni_samlogon_user = NULL;
670 UNISTR2 *uni_samlogon_domain = NULL;
671 UNISTR2 *uni_samlogon_workstation = NULL;
672 fstring nt_username, nt_domain, nt_workstation;
673 auth_usersupplied_info *user_info = NULL;
674 auth_serversupplied_info *server_info = NULL;
676 struct auth_context *auth_context = NULL;
678 usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
680 return NT_STATUS_NO_MEMORY;
682 ZERO_STRUCTP(usr_info);
684 /* store the user information, if there is any. */
685 r_u->user = usr_info;
686 r_u->auth_resp = 1; /* authoritative response */
687 if (q_u->validation_level != 2 && q_u->validation_level != 3) {
688 DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level ));
689 return NT_STATUS_ACCESS_DENIED;
691 /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */
692 r_u->switch_value = q_u->validation_level; /* indicates type of validation user info */
693 r_u->buffer_creds = 1; /* Ensure we always return server creds. */
695 if (!get_valid_user_struct(p->vuid))
696 return NT_STATUS_NO_SUCH_USER;
698 /* We need the workstation name for the creds lookup. */
700 switch (q_u->sam_id.logon_level) {
701 case INTERACTIVE_LOGON_TYPE:
702 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
703 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
705 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
707 DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
710 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
711 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
712 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
714 DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
717 DEBUG(2,("SAM Logon: unsupported switch value\n"));
718 return NT_STATUS_INVALID_INFO_CLASS;
721 rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
722 rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
723 rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
725 DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
729 /* Restore the saved state of the netlogon creds. */
733 secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
738 return NT_STATUS_INVALID_HANDLE;
742 if (!p->dc || !p->dc->authenticated) {
743 return NT_STATUS_INVALID_HANDLE;
747 if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
748 /* 'server schannel = yes' should enforce use of
749 schannel, the client did offer it in auth2, but
750 obviously did not use it. */
751 DEBUG(0,("_net_sam_logon: client %s not using schannel for netlogon\n",
752 p->dc->remote_machine ));
753 return NT_STATUS_ACCESS_DENIED;
757 /* checks and updates credentials. creates reply credentials */
758 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
759 DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
760 "request from client %s machine account %s\n",
761 p->dc->remote_machine, p->dc->mach_acct ));
762 return NT_STATUS_INVALID_PARAMETER;
765 /* We must store the creds state after an update. */
767 secrets_store_schannel_session_info(p->pipe_state_mem_ctx, p->dc);
771 fstrcpy(current_user_info.smb_name, nt_username);
772 sub_set_smb_name(nt_username);
774 DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
776 status = NT_STATUS_OK;
778 switch (ctr->switch_value) {
781 const char *wksname = nt_workstation;
783 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
787 /* For a network logon, the workstation name comes in with two
788 * backslashes in the front. Strip them if they are there. */
790 if (*wksname == '\\') wksname++;
791 if (*wksname == '\\') wksname++;
793 /* Standard challenge/response authenticaion */
794 if (!make_user_info_netlogon_network(&user_info,
795 nt_username, nt_domain,
797 ctr->auth.id2.param_ctrl,
798 ctr->auth.id2.lm_chal_resp.buffer,
799 ctr->auth.id2.lm_chal_resp.str_str_len,
800 ctr->auth.id2.nt_chal_resp.buffer,
801 ctr->auth.id2.nt_chal_resp.str_str_len)) {
802 status = NT_STATUS_NO_MEMORY;
806 case INTERACTIVE_LOGON_TYPE:
807 /* 'Interactive' authentication, supplies the password in its
808 MD4 form, encrypted with the session key. We will convert
809 this to challenge/response for the auth subsystem to chew
814 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
818 chal = auth_context->get_ntlm_challenge(auth_context);
820 if (!make_user_info_netlogon_interactive(&user_info,
821 nt_username, nt_domain,
823 ctr->auth.id1.param_ctrl,
825 ctr->auth.id1.lm_owf.data,
826 ctr->auth.id1.nt_owf.data,
828 status = NT_STATUS_NO_MEMORY;
833 DEBUG(2,("SAM Logon: unsupported switch value\n"));
834 return NT_STATUS_INVALID_INFO_CLASS;
837 if ( NT_STATUS_IS_OK(status) ) {
838 status = auth_context->check_ntlm_password(auth_context,
839 user_info, &server_info);
842 (auth_context->free)(&auth_context);
843 free_user_info(&user_info);
845 DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
848 /* Check account and password */
850 if (!NT_STATUS_IS_OK(status)) {
851 /* If we don't know what this domain is, we need to
852 indicate that we are not authoritative. This
853 allows the client to decide if it needs to try
854 a local user. Fix by jpjanosi@us.ibm.com, #2976 */
855 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
856 && !strequal(nt_domain, get_global_sam_name())
857 && !is_trusted_domain(nt_domain) )
858 r_u->auth_resp = 0; /* We are not authoritative */
860 talloc_free(server_info);
864 if (server_info->guest) {
865 /* We don't like guest domain logons... */
866 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST "
868 talloc_free(server_info);
869 return NT_STATUS_LOGON_FAILURE;
872 /* This is the point at which, if the login was successful, that
873 the SAM Local Security Authority should record that the user is
874 logged in to the domain. */
877 DOM_GID *gids = NULL;
878 const DOM_SID *user_sid = NULL;
879 const DOM_SID *group_sid = NULL;
881 uint32 user_rid, group_rid;
885 fstring user_sid_string;
886 fstring group_sid_string;
887 unsigned char user_session_key[16];
888 unsigned char lm_session_key[16];
889 unsigned char pipe_session_key[16];
891 sampw = server_info->sam_account;
893 /* set up pointer indicating user/password failed to be
895 usr_info->ptr_user_info = 0;
897 user_sid = pdb_get_user_sid(sampw);
898 group_sid = pdb_get_group_sid(sampw);
900 sid_copy(&domain_sid, user_sid);
901 sid_split_rid(&domain_sid, &user_rid);
903 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
904 DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid "
905 "%s\n but group sid %s.\n"
906 "The conflicting domain portions are not "
907 "supported for NETLOGON calls\n",
908 pdb_get_domain(sampw),
909 pdb_get_username(sampw),
910 sid_to_string(user_sid_string, user_sid),
911 sid_to_string(group_sid_string, group_sid)));
912 return NT_STATUS_UNSUCCESSFUL;
916 if(server_info->login_server) {
917 pstrcpy(my_name, server_info->login_server);
919 pstrcpy(my_name, global_myname());
922 status = nt_token_to_group_list(p->mem_ctx, &domain_sid,
923 server_info->num_sids,
927 if (!NT_STATUS_IS_OK(status)) {
931 if (server_info->user_session_key.length) {
932 memcpy(user_session_key,
933 server_info->user_session_key.data,
934 MIN(sizeof(user_session_key),
935 server_info->user_session_key.length));
937 /* Get the pipe session key from the creds. */
938 memcpy(pipe_session_key, p->dc->sess_key, 16);
940 /* Get the pipe session key from the schannel. */
941 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
942 return NT_STATUS_INVALID_HANDLE;
944 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
946 SamOEMhash(user_session_key, pipe_session_key, 16);
947 memset(pipe_session_key, '\0', 16);
949 if (server_info->lm_session_key.length) {
950 memcpy(lm_session_key,
951 server_info->lm_session_key.data,
952 MIN(sizeof(lm_session_key),
953 server_info->lm_session_key.length));
955 /* Get the pipe session key from the creds. */
956 memcpy(pipe_session_key, p->dc->sess_key, 16);
958 /* Get the pipe session key from the schannel. */
959 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
960 return NT_STATUS_INVALID_HANDLE;
962 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
964 SamOEMhash(lm_session_key, pipe_session_key, 16);
965 memset(pipe_session_key, '\0', 16);
968 init_net_user_info3(p->mem_ctx, usr_info,
971 pdb_get_username(sampw),
972 pdb_get_fullname(sampw),
973 pdb_get_homedir(sampw),
974 pdb_get_dir_drive(sampw),
975 pdb_get_logon_script(sampw),
976 pdb_get_profile_path(sampw),
977 pdb_get_logon_time(sampw),
980 pdb_get_pass_last_set_time(sampw),
981 pdb_get_pass_can_change_time(sampw),
982 pdb_get_pass_must_change_time(sampw),
985 0, /* bad_pw_count */
986 num_gids, /* uint32 num_groups */
987 gids , /* DOM_GID *gids */
988 0x20 , /* uint32 user_flgs (?) */
989 server_info->user_session_key.length ? user_session_key : NULL,
990 server_info->lm_session_key.length ? lm_session_key : NULL,
991 my_name , /* char *logon_srv */
992 pdb_get_domain(sampw),
993 &domain_sid); /* DOM_SID *dom_sid */
994 ZERO_STRUCT(user_session_key);
995 ZERO_STRUCT(lm_session_key);
997 talloc_free(server_info);
1001 /*************************************************************************
1003 *************************************************************************/
1005 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
1007 return _net_sam_logon_internal(p, q_u, r_u, True);
1010 /*************************************************************************
1011 _net_sam_logon_ex - no credential chaining. Map into net sam logon.
1012 *************************************************************************/
1014 NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u)
1022 /* Only allow this if the pipe is protected. */
1023 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1024 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
1025 get_remote_machine_name() ));
1026 return NT_STATUS_INVALID_PARAMETER;
1029 /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */
1030 q.validation_level = q_u->validation_level;
1032 /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */
1033 q.sam_id.client.login = q_u->sam_id.client;
1034 q.sam_id.logon_level = q_u->sam_id.logon_level;
1035 q.sam_id.ctr = q_u->sam_id.ctr;
1037 r_u->status = _net_sam_logon_internal(p, &q, &r, False);
1039 if (!NT_STATUS_IS_OK(r_u->status)) {
1043 /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */
1044 r_u->switch_value = r.switch_value;
1046 r_u->auth_resp = r.auth_resp;
1047 r_u->flags = 0; /* FIXME ! */
1051 /*************************************************************************
1053 *************************************************************************/
1054 #if 0 /* JERRY -- not correct */
1055 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1056 DS_R_ENUM_DOM_TRUSTS *r_u)
1058 NTSTATUS status = NT_STATUS_OK;
1060 /* TODO: According to MSDN, the can only be executed against a
1061 DC or domain member running Windows 2000 or later. Need
1062 to test against a standalone 2k server and see what it
1063 does. A windows 2000 DC includes its own domain in the