summaryrefslogtreecommitdiff
path: root/source3/rpc_server/srv_netlog_nt.c
blob: 2f301a794c7816425673272138070264ff8d9d6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
/* 
 *  Unix SMB/CIFS implementation.
 *  RPC Pipe client / server routines
 *  Copyright (C) Andrew Tridgell              1992-1997,
 *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
 *  Copyright (C) Paul Ashton                       1997.
 *  Copyright (C) Jeremy Allison               1998-2001.
 *  Copyright (C) Andrew Bartlett                   2001.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* This is the implementation of the netlogon pipe. */

#include "includes.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV

/*************************************************************************
 init_net_r_req_chal:
 *************************************************************************/

static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
                                DOM_CHAL *srv_chal, NTSTATUS status)
{
	DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
	memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
	r_c->status = status;
}

/*************************************************************************
 error messages cropping up when using nltest.exe...
 *************************************************************************/

#define ERROR_NO_SUCH_DOMAIN   0x54b
#define ERROR_NO_LOGON_SERVERS 0x51f

/*************************************************************************
 net_reply_logon_ctrl:
 *************************************************************************/

/* Some flag values reverse engineered from NLTEST.EXE */

#define LOGON_CTRL_IN_SYNC          0x00
#define LOGON_CTRL_REPL_NEEDED      0x01
#define LOGON_CTRL_REPL_IN_PROGRESS 0x02

NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u, 
		       NET_R_LOGON_CTRL *r_u)
{
	uint32 flags = 0x0;
	uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
	
	/* Setup the Logon Control response */

	init_net_r_logon_ctrl(r_u, q_u->query_level, flags, 
			      pdc_connection_status);

	return r_u->status;
}

/****************************************************************************
Send a message to smbd to do a sam synchronisation
**************************************************************************/
static void send_sync_message(void)
{
        TDB_CONTEXT *tdb;

        tdb = tdb_open_log(lock_path("connections.tdb"), 0,
                           TDB_DEFAULT, O_RDONLY, 0);

        if (!tdb) {
                DEBUG(3, ("send_sync_message(): failed to open connections "
                          "database\n"));
                return;
        }

        DEBUG(3, ("sending sam synchronisation message\n"));
        
        message_send_all(tdb, MSG_SMB_SAM_SYNC, NULL, 0, False, NULL);

        tdb_close(tdb);
}

/*************************************************************************
 net_reply_logon_ctrl2:
 *************************************************************************/

NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
{
        uint32 flags = 0x0;
        uint32 pdc_connection_status = 0x0;
        uint32 logon_attempts = 0x0;
        uint32 tc_status = ERROR_NO_LOGON_SERVERS;
        const char *trusted_domain = "test_domain";

        DEBUG(0, ("*** net long ctrl2 %d, %d, %d\n",
                  q_u->function_code, q_u->query_level, q_u->switch_value));

	DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));


	/* set up the Logon Control2 response */
	init_net_r_logon_ctrl2(r_u, q_u->query_level,
			       flags, pdc_connection_status, logon_attempts,
			       tc_status, trusted_domain);

        if (lp_server_role() == ROLE_DOMAIN_BDC)
                send_sync_message();

	DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));

	return r_u->status;
}

/*************************************************************************
 net_reply_trust_dom_list:
 *************************************************************************/

NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
{
	const char *trusted_domain = "test_domain";
	uint32 num_trust_domains = 1;

	DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));

	/* set up the Trusted Domain List response */
	init_r_trust_dom(r_u, num_trust_domains, trusted_domain);

	DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));

	return r_u->status;
}

/***********************************************************************************
 init_net_r_srv_pwset:
 ***********************************************************************************/

static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
				 DOM_CRED *srv_cred, NTSTATUS status)  
{
	DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));

	memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
	r_s->status = status;

	DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
}

/******************************************************************
 gets a machine password entry.  checks access rights of the host.
 ******************************************************************/

static BOOL get_md4pw(char *md4pw, char *mach_acct)
{
	SAM_ACCOUNT *sampass = NULL;
	const uint8 *pass;
	BOOL ret;
	uint32 acct_ctrl;

#if 0
    /*
     * Currently this code is redundent as we already have a filter
     * by hostname list. What this code really needs to do is to 
     * get a hosts allowed/hosts denied list from the SAM database
     * on a per user basis, and make the access decision there.
     * I will leave this code here for now as a reminder to implement
     * this at a later date. JRA.
     */

	if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
	                  client_name(), client_addr()))
	{
		DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
		return False;
	}
#endif /* 0 */

	if(!NT_STATUS_IS_OK(pdb_init_sam(&sampass)))
		return False;

	/* JRA. This is ok as it is only used for generating the challenge. */
	become_root();
	ret=pdb_getsampwnam(sampass, mach_acct);
	unbecome_root();
 
 	if (ret==False) {
 		DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
		pdb_free_sam(&sampass);
		return False;
	}

	acct_ctrl = pdb_get_acct_ctrl(sampass);
	if (!(acct_ctrl & ACB_DISABLED) &&
	    ((acct_ctrl & ACB_DOMTRUST) ||
	     (acct_ctrl & ACB_WSTRUST) ||
	     (acct_ctrl & ACB_SVRTRUST)) &&
	    ((pass=pdb_get_nt_passwd(sampass)) != NULL)) {
		memcpy(md4pw, pass, 16);
		dump_data(5, md4pw, 16);
 		pdb_free_sam(&sampass);
		return True;
	}
 	
	DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
	pdb_free_sam(&sampass);
	return False;

}

/*************************************************************************
 _net_req_chal
 *************************************************************************/

NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
{
	NTSTATUS status = NT_STATUS_OK;

	rpcstr_pull(p->dc.remote_machine,q_u->uni_logon_clnt.buffer,sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);

	/* create a server challenge for the client */
	/* Set these to random values. */
	generate_random_buffer(p->dc.srv_chal.data, 8, False);
	
	memcpy(p->dc.srv_cred.challenge.data, p->dc.srv_chal.data, 8);

	memcpy(p->dc.clnt_chal.data          , q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
	memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));

	memset((char *)p->dc.sess_key, '\0', sizeof(p->dc.sess_key));

	p->dc.challenge_sent = True;
	/* set up the LSA REQUEST CHALLENGE response */
	init_net_r_req_chal(r_u, &p->dc.srv_chal, status);
	
	return status;
}

/*************************************************************************
 init_net_r_auth:
 *************************************************************************/

static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
{
	memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
	r_a->status = status;
}

/*************************************************************************
 _net_auth
 *************************************************************************/

NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
{
	NTSTATUS status = NT_STATUS_OK;
	DOM_CHAL srv_cred;
	UTIME srv_time;
	fstring mach_acct;

	srv_time.time = 0;

	rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),q_u->clnt_id.uni_acct_name.uni_str_len*2,0);

	if (p->dc.challenge_sent && get_md4pw((char *)p->dc.md4pw, mach_acct)) {

		/* from client / server challenges and md4 password, generate sess key */
		cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
				 p->dc.md4pw, p->dc.sess_key);
		
		/* check that the client credentials are valid */
		if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
			
			/* create server challenge for inclusion in the reply */
			cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
		
			/* copy the received client credentials for use next time */
			memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
			memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
			
			/* Save the machine account name. */
			fstrcpy(p->dc.mach_acct, mach_acct);
		
			p->dc.authenticated = True;

		} else {
			status = NT_STATUS_ACCESS_DENIED;
		}
	} else {
		status = NT_STATUS_ACCESS_DENIED;
	}
	
	/* set up the LSA AUTH response */
	init_net_r_auth(r_u, &srv_cred, status);

	return r_u->status;
}

/*************************************************************************
 init_net_r_auth_2:
 *************************************************************************/

static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
                              DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
{
	memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
	memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
	r_a->status = status;
}

/*************************************************************************
 _net_auth_2
 *************************************************************************/

NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
{
	NTSTATUS status = NT_STATUS_OK;
	DOM_CHAL srv_cred;
	UTIME srv_time;
	NEG_FLAGS srv_flgs;
	fstring mach_acct;

	srv_time.time = 0;

	if ( (lp_server_schannel() == True) &&
	     ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {

		/* schannel must be used, but client did not offer it. */
		status = NT_STATUS_ACCESS_DENIED;
	}

	rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),q_u->clnt_id.uni_acct_name.uni_str_len*2,0);

	if (p->dc.challenge_sent && get_md4pw((char *)p->dc.md4pw, mach_acct)) {
		
		/* from client / server challenges and md4 password, generate sess key */
		cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
				 p->dc.md4pw, p->dc.sess_key);
		
		/* check that the client credentials are valid */
		if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
			
			/* create server challenge for inclusion in the reply */
			cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
			
			/* copy the received client credentials for use next time */
			memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
			memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
			
			/* Save the machine account name. */
			fstrcpy(p->dc.mach_acct, mach_acct);
			
			p->dc.authenticated = True;

		} else {
			status = NT_STATUS_ACCESS_DENIED;
		}
	} else {
		status = NT_STATUS_ACCESS_DENIED;
	}
	
	srv_flgs.neg_flags = 0x000001ff;

	if (lp_server_schannel() != False) {
		srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
	}

	/* set up the LSA AUTH 2 response */
	init_net_r_auth_2(r_u, &srv_cred, &srv_flgs, status);

	if (NT_STATUS_IS_OK(status)) {
		extern struct dcinfo last_dcinfo;
		last_dcinfo = p->dc;
	}

	return r_u->status;
}

/*************************************************************************
 _net_srv_pwset
 *************************************************************************/

NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
{
	NTSTATUS status = NT_STATUS_ACCESS_DENIED;
	DOM_CRED srv_cred;
	pstring workstation;
	SAM_ACCOUNT *sampass=NULL;
	BOOL ret = False;
	unsigned char pwd[16];
	int i;
	uint32 acct_ctrl;

	/* checks and updates credentials.  creates reply credentials */
	if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->clnt_id.cred, &srv_cred)))
		return NT_STATUS_INVALID_HANDLE;

	memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));

	DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));

	rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
		    sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);

	DEBUG(3,("Server Password Set by Wksta:[%s] on account [%s]\n", workstation, p->dc.mach_acct));
	
	pdb_init_sam(&sampass);

	become_root();
	ret=pdb_getsampwnam(sampass, p->dc.mach_acct);
	unbecome_root();

	/* Ensure the account exists and is a machine account. */
	
	acct_ctrl = pdb_get_acct_ctrl(sampass);

	if (!(ret 
	      && (acct_ctrl & ACB_WSTRUST ||
		      acct_ctrl & ACB_SVRTRUST ||
		      acct_ctrl & ACB_DOMTRUST))) {
		pdb_free_sam(&sampass);
		return NT_STATUS_NO_SUCH_USER;
	}
	
	if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
		pdb_free_sam(&sampass);
		return NT_STATUS_ACCOUNT_DISABLED;
	}

	DEBUG(100,("Server password set : new given value was :\n"));
	for(i = 0; i < 16; i++)
		DEBUG(100,("%02X ", q_u->pwd[i]));
	DEBUG(100,("\n"));

	cred_hash3( pwd, q_u->pwd, p->dc.sess_key, 0);

	/* lies!  nt and lm passwords are _not_ the same: don't care */
	if (!pdb_set_lanman_passwd (sampass, pwd, PDB_CHANGED)) {
		pdb_free_sam(&sampass);
		return NT_STATUS_NO_MEMORY;
	}

	if (!pdb_set_nt_passwd     (sampass, pwd, PDB_CHANGED)) {
		pdb_free_sam(&sampass);
		return NT_STATUS_NO_MEMORY;
	}

	if (!pdb_set_pass_changed_now     (sampass)) {
		pdb_free_sam(&sampass);
		/* Not quite sure what this one qualifies as, but this will do */
		return NT_STATUS_UNSUCCESSFUL; 
	}
 
	become_root();
	ret = pdb_update_sam_account (sampass);
	unbecome_root();
 
	if (ret)
		status = NT_STATUS_OK;

	/* set up the LSA Server Password Set response */
	init_net_r_srv_pwset(r_u, &srv_cred, status);

	pdb_free_sam(&sampass);
	return r_u->status;
}


/*************************************************************************
 _net_sam_logoff:
 *************************************************************************/

NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
{
	DOM_CRED srv_cred;

	if (!get_valid_user_struct(p->vuid))
		return NT_STATUS_NO_SUCH_USER;

	/* checks and updates credentials.  creates reply credentials */
	if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, 
						     &q_u->sam_id.client.cred, &srv_cred)))
		return NT_STATUS_INVALID_HANDLE;

	memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));

	/* XXXX maybe we want to say 'no', reject the client's credentials */
	r_u->buffer_creds = 1; /* yes, we have valid server credentials */
	memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));

	r_u->status = NT_STATUS_OK;

	return r_u->status;
}


/*************************************************************************
 _net_sam_logon
 *************************************************************************/

NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
{
	NTSTATUS status = NT_STATUS_OK;
	NET_USER_INFO_3 *usr_info = NULL;
	NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
	DOM_CRED srv_cred;
	UNISTR2 *uni_samlogon_user = NULL;
	UNISTR2 *uni_samlogon_domain = NULL;
	UNISTR2 *uni_samlogon_workstation = NULL;
	fstring nt_username, nt_domain, nt_workstation;
	auth_usersupplied_info *user_info = NULL;
	auth_serversupplied_info *server_info = NULL;
	extern userdom_struct current_user_info;
	SAM_ACCOUNT *sampw;
	struct auth_context *auth_context = NULL;
	        
	usr_info = (NET_USER_INFO_3 *)talloc(p->mem_ctx, sizeof(NET_USER_INFO_3));
	if (!usr_info)
		return NT_STATUS_NO_MEMORY;

	ZERO_STRUCTP(usr_info);

 	/* store the user information, if there is any. */
	r_u->user = usr_info;
	r_u->switch_value = 0; /* indicates no info */
	r_u->auth_resp = 1; /* authoritative response */
	r_u->switch_value = 3; /* indicates type of validation user info */
 
	if (!get_valid_user_struct(p->vuid))
		return NT_STATUS_NO_SUCH_USER;


	if ( (lp_server_schannel() == True) && (!p->netsec_auth_validated) ) {
		/* 'server schannel = yes' should enforce use of
		   schannel, the client did offer it in auth2, but
		   obviously did not use it. */
		return NT_STATUS_ACCESS_DENIED;
	}

	/* checks and updates credentials.  creates reply credentials */
	if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->sam_id.client.cred, &srv_cred)))
		return NT_STATUS_INVALID_HANDLE;

	memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
    
	r_u->buffer_creds = 1; /* yes, we have valid server credentials */
	memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));

	/* find the username */
    
	switch (q_u->sam_id.logon_level) {
	case INTERACTIVE_LOGON_TYPE:
		uni_samlogon_user = &ctr->auth.id1.uni_user_name;
 		uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;

                uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
            
		DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", lp_workgroup()));
		break;
	case NET_LOGON_TYPE:
		uni_samlogon_user = &ctr->auth.id2.uni_user_name;
		uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
		uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
            
		DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", lp_workgroup()));
		break;
	default:
		DEBUG(2,("SAM Logon: unsupported switch value\n"));
		return NT_STATUS_INVALID_INFO_CLASS;
	} /* end switch */

	rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
	rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
	rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);

	DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, 
                 nt_workstation, nt_domain));
   	
	fstrcpy(current_user_info.smb_name, nt_username);
	sub_set_smb_name(nt_username);
     
	DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));

	status = NT_STATUS_OK;
	
	switch (ctr->switch_value) {
	case NET_LOGON_TYPE:
	{
		if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
			return status;
		}

		/* Standard challenge/response authenticaion */
		if (!make_user_info_netlogon_network(&user_info, 
						     nt_username, nt_domain, 
						     nt_workstation, 
						     ctr->auth.id2.lm_chal_resp.buffer,
						     ctr->auth.id2.lm_chal_resp.str_str_len,
						     ctr->auth.id2.nt_chal_resp.buffer,
						     ctr->auth.id2.nt_chal_resp.str_str_len)) {
			status = NT_STATUS_NO_MEMORY;
		}	
		break;
	}
	case INTERACTIVE_LOGON_TYPE:
		/* 'Interactive' autheticaion, supplies the password in its
		   MD4 form, encrypted with the session key.  We will
		   convert this to chellange/responce for the auth
		   subsystem to chew on */
	{
		const uint8 *chal;
		
		if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
			return status;
		}
		
		chal = auth_context->get_ntlm_challenge(auth_context);

		if (!make_user_info_netlogon_interactive(&user_info, 
							 nt_username, nt_domain, 
							 nt_workstation, chal,
							 ctr->auth.id1.lm_owf.data, 
							 ctr->auth.id1.nt_owf.data, 
							 p->dc.sess_key)) {
			status = NT_STATUS_NO_MEMORY;
		}
		break;
	}
	default:
		DEBUG(2,("SAM Logon: unsupported switch value\n"));
		return NT_STATUS_INVALID_INFO_CLASS;
	} /* end switch */
	
	if ( NT_STATUS_IS_OK(status) ) {
		status = auth_context->check_ntlm_password(auth_context, 
			user_info, &server_info);
	}

	(auth_context->free)(&auth_context);	
	free_user_info(&user_info);
	
	DEBUG(5, ("_net_sam_logon: check_password returned status %s\n", 
		  nt_errstr(status)));

	/* Check account and password */
    
	if (!NT_STATUS_IS_OK(status)) {
		free_server_info(&server_info);
		return status;
	}

	if (server_info->guest) {
		/* We don't like guest domain logons... */
		DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
		free_server_info(&server_info);
		return NT_STATUS_LOGON_FAILURE;
	}

	/* This is the point at which, if the login was successful, that
           the SAM Local Security Authority should record that the user is
           logged in to the domain.  */
    
	{
		DOM_GID *gids = NULL;
		const DOM_SID *user_sid = NULL;
		const DOM_SID *group_sid = NULL;
		DOM_SID domain_sid;
		uint32 user_rid, group_rid; 

		int num_gids = 0;
		pstring my_name;
		fstring user_sid_string;
		fstring group_sid_string;
		uchar nt_session_key[16];
		uchar lm_session_key[16];
		uchar netlogon_sess_key[16];

		sampw = server_info->sam_account;

		/* set up pointer indicating user/password failed to be found */
		usr_info->ptr_user_info = 0;

		user_sid = pdb_get_user_sid(sampw);
		group_sid = pdb_get_group_sid(sampw);

		sid_copy(&domain_sid, user_sid);
		sid_split_rid(&domain_sid, &user_rid);

		if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
			DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid %s\n but group sid %s.\nThe conflicting domain portions are not supported for NETLOGON calls\n", 	    
				  pdb_get_domain(sampw), pdb_get_username(sampw),
				  sid_to_string(user_sid_string, user_sid),
				  sid_to_string(group_sid_string, group_sid)));
			return NT_STATUS_UNSUCCESSFUL;
		}
		
		pstrcpy(my_name, global_myname());

		if (!NT_STATUS_IS_OK(status 
				     = nt_token_to_group_list(p->mem_ctx, 
							      &domain_sid, 
							      server_info->ptok, 
							      &num_gids, 
							      &gids))) {
			return status;
		}

		ZERO_STRUCT(netlogon_sess_key);
		memcpy(netlogon_sess_key, p->dc.sess_key, 8);
		if (server_info->nt_session_key.length) {
			memcpy(nt_session_key, server_info->nt_session_key.data, 
			       MIN(sizeof(nt_session_key), server_info->nt_session_key.length));
			SamOEMhash(nt_session_key, netlogon_sess_key, 16);
		}
		if (server_info->lm_session_key.length) {
			memcpy(lm_session_key, server_info->lm_session_key.data, 
			       MIN(sizeof(lm_session_key), server_info->lm_session_key.length));
			SamOEMhash(lm_session_key, netlogon_sess_key, 16);
		}
		ZERO_STRUCT(netlogon_sess_key);
		
		init_net_user_info3(p->mem_ctx, usr_info, 
				    user_rid,
				    group_rid,   
				    pdb_get_username(sampw),
				    pdb_get_fullname(sampw),
				    pdb_get_homedir(sampw),
				    pdb_get_dir_drive(sampw),
				    pdb_get_logon_script(sampw),
				    pdb_get_profile_path(sampw),
				    pdb_get_logon_time(sampw),
				    get_time_t_max(),
				    get_time_t_max(),
				    pdb_get_pass_last_set_time(sampw),
				    pdb_get_pass_can_change_time(sampw),
				    pdb_get_pass_must_change_time(sampw),
				    
				    0, /* logon_count */
				    0, /* bad_pw_count */
				    num_gids,    /* uint32 num_groups */
				    gids    , /* DOM_GID *gids */
				    0x20    , /* uint32 user_flgs (?) */
				    server_info->nt_session_key.length ? nt_session_key : NULL,
				    server_info->lm_session_key.length ? lm_session_key : NULL,
				    my_name     , /* char *logon_srv */
				    pdb_get_domain(sampw),
				    &domain_sid,     /* DOM_SID *dom_sid */  
				    /* Should be users domain sid, not servers - for trusted domains */
				  
				    NULL); /* char *other_sids */
		ZERO_STRUCT(nt_session_key);
		ZERO_STRUCT(lm_session_key);
	}
	free_server_info(&server_info);
	return status;
}

/*************************************************************************
 _ds_enum_dom_trusts
 *************************************************************************/
#if 0	/* JERRY -- not correct */
NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
			     DS_R_ENUM_DOM_TRUSTS *r_u)
{
	NTSTATUS status = NT_STATUS_OK;

	/* TODO: According to MSDN, the can only be executed against a 
	   DC or domain member running Windows 2000 or later.  Need
	   to test against a standalone 2k server and see what it 
	   does.  A windows 2000 DC includes its own domain in the 
	   list.  --jerry */

	return status;
}
#endif	/* JERRY */