summaryrefslogtreecommitdiff
path: root/source3/rpc_server/srv_netlog.c
blob: 33af093625f6068880a3d8fbcc3c8cdd11e489f8 (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
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
/* 
 *  Unix SMB/Netbios implementation.
 *  Version 1.9.
 *  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.
 *
 *  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.
 */


#include "includes.h"
#include "nterr.h"

extern int DEBUGLEVEL;

extern pstring global_myname;
extern DOM_SID global_sam_sid;
extern fstring global_sam_name;

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

/*************************************************************************
 net_reply_req_chal:
 *************************************************************************/
static void net_reply_req_chal(NET_Q_REQ_CHAL *q_c, prs_struct *rdata,
					DOM_CHAL *srv_chal, uint32 srv_time)
{
	NET_R_REQ_CHAL r_c;

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

	/* set up the LSA REQUEST CHALLENGE response */
	make_net_r_req_chal(&r_c, srv_chal, srv_time);

	/* store the response in the SMB stream */
	net_io_r_req_chal("", &r_c, rdata, 0);

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

}

/*************************************************************************
 net_reply_logon_ctrl2:
 *************************************************************************/
static void net_reply_logon_ctrl2(NET_Q_LOGON_CTRL2 *q_l, prs_struct *rdata,
			uint32 flags, uint32 pdc_status, uint32 logon_attempts,
			uint32 tc_status, char *trust_domain_name)
{
	NET_R_LOGON_CTRL2 r_l;

	DEBUG(6,("net_reply_logon_ctrl2: %d\n", __LINE__));

	/* set up the Logon Control2 response */
	make_r_logon_ctrl2(&r_l, q_l->query_level,
	                   flags, pdc_status, logon_attempts,
	                   tc_status, trust_domain_name);

	/* store the response in the SMB stream */
	net_io_r_logon_ctrl2("", &r_l, rdata, 0);

	DEBUG(6,("net_reply_logon_ctrl2: %d\n", __LINE__));

}

/*************************************************************************
 net_reply_trust_dom_list:
 *************************************************************************/
static void net_reply_trust_dom_list(NET_Q_TRUST_DOM_LIST *q_t, prs_struct *rdata,
			uint32 num_trust_domains, char *trust_domain_name)
{
	NET_R_TRUST_DOM_LIST r_t;

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

	/* set up the Trusted Domain List response */
	make_r_trust_dom(&r_t, num_trust_domains, trust_domain_name);

	/* store the response in the SMB stream */
	net_io_r_trust_dom("", &r_t, rdata, 0);

	DEBUG(6,("net_reply_trust_dom_listlogon_ctrl2: %d\n", __LINE__));

}

/*************************************************************************
 make_net_r_auth_2:
 *************************************************************************/
static void make_net_r_auth_2(NET_R_AUTH_2 *r_a,
                              DOM_CHAL *resp_cred, NEG_FLAGS *flgs, int 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_reply_auth_2:
 *************************************************************************/
static void net_reply_auth_2(NET_Q_AUTH_2 *q_a, prs_struct *rdata,
				DOM_CHAL *resp_cred, int status)
{
	NET_R_AUTH_2 r_a;
	NEG_FLAGS srv_flgs;

	srv_flgs.neg_flags = 0x000001ff;

	/* set up the LSA AUTH 2 response */

	make_net_r_auth_2(&r_a, resp_cred, &srv_flgs, status);

	/* store the response in the SMB stream */
	net_io_r_auth_2("", &r_a, rdata, 0);

}

/***********************************************************************************
 make_net_r_srv_pwset:
 ***********************************************************************************/
static void make_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
                             DOM_CRED *srv_cred, int status)  
{
	DEBUG(5,("make_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,("make_net_r_srv_pwset: %d\n", __LINE__));
}

/*************************************************************************
 net_reply_srv_pwset:
 *************************************************************************/
static void net_reply_srv_pwset(NET_Q_SRV_PWSET *q_s, prs_struct *rdata,
				DOM_CRED *srv_cred, int status)
{
	NET_R_SRV_PWSET r_s;

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

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

	/* store the response in the SMB stream */
	net_io_r_srv_pwset("", &r_s, rdata, 0);

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

}

/*************************************************************************
 net_reply_sam_logon:
 *************************************************************************/
static void net_reply_sam_logon(NET_Q_SAM_LOGON *q_s, prs_struct *rdata,
				DOM_CRED *srv_cred, NET_USER_INFO_3 *user_info,
				uint32 status)
{
	NET_R_SAM_LOGON r_s;

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

	/* store the user information, if there is any. */
	r_s.user = user_info;
	if (status == 0x0 && user_info != NULL && user_info->ptr_user_info != 0)
	{
		r_s.switch_value = 3; /* indicates type of validation user info */
	}
	else
	{
		r_s.switch_value = 0; /* indicates no info */
	}

	r_s.status = status;
	r_s.auth_resp = 1; /* authoritative response */

	/* store the response in the SMB stream */
	net_io_r_sam_logon("", &r_s, rdata, 0);

}


/*************************************************************************
 net_reply_sam_logoff:
 *************************************************************************/
static void net_reply_sam_logoff(NET_Q_SAM_LOGOFF *q_s, prs_struct *rdata,
				DOM_CRED *srv_cred, 
				uint32 status)
{
	NET_R_SAM_LOGOFF r_s;

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

	r_s.status = status;

	/* store the response in the SMB stream */
	net_io_r_sam_logoff("", &r_s, rdata, 0);

}

/******************************************************************
 gets a machine password entry.  checks access rights of the host.
 ******************************************************************/
static BOOL get_md4pw(char *md4pw, char *mach_name, char *mach_acct)
{
	struct smb_passwd *smb_pass;

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

	become_root(True);
	smb_pass = getsmbpwnam(mach_acct);
	unbecome_root(True);

	if ((smb_pass) != NULL && !(smb_pass->acct_ctrl & ACB_DISABLED) &&
        (smb_pass->smb_nt_passwd != NULL))
	{
		memcpy(md4pw, smb_pass->smb_nt_passwd, 16);
		dump_data(5, md4pw, 16);

		return True;
	}
	DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
	return False;
}

/*************************************************************************
 api_net_req_chal:
 *************************************************************************/
static void api_net_req_chal( uint16 vuid,
                              prs_struct *data,
                              prs_struct *rdata)
{
	NET_Q_REQ_CHAL q_r;
	uint32 status = 0x0;

	fstring mach_acct;
	fstring mach_name;

	user_struct *vuser;

	DEBUG(5,("api_net_req_chal(%d): vuid %d\n", __LINE__, (int)vuid));

	if ((vuser = get_valid_user_struct(vuid)) == NULL)
      return;

	/* grab the challenge... */
	net_io_q_req_chal("", &q_r, data, 0);

	unistr2_to_ascii(mach_acct, &q_r.uni_logon_clnt, sizeof(mach_acct)-1);

	fstrcpy(mach_name, mach_acct);
	strlower(mach_name);

	fstrcat(mach_acct, "$");

	if (get_md4pw((char *)vuser->dc.md4pw, mach_name, mach_acct))
	{
		/* copy the client credentials */
		memcpy(vuser->dc.clnt_chal.data          , q_r.clnt_chal.data, sizeof(q_r.clnt_chal.data));
		memcpy(vuser->dc.clnt_cred.challenge.data, q_r.clnt_chal.data, sizeof(q_r.clnt_chal.data));

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

		memcpy(vuser->dc.srv_cred.challenge.data, vuser->dc.srv_chal.data, 8);

		bzero(vuser->dc.sess_key, sizeof(vuser->dc.sess_key));

		/* from client / server challenges and md4 password, generate sess key */
		cred_session_key(&(vuser->dc.clnt_chal), &(vuser->dc.srv_chal),
				 (char *)vuser->dc.md4pw, vuser->dc.sess_key);
	}
	else
	{
		/* lkclXXXX take a guess at a good error message to return :-) */
		status = 0xC0000000 | NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT;
	}

	/* construct reply. */
	net_reply_req_chal(&q_r, rdata,
					&(vuser->dc.srv_chal), status);

}

/*************************************************************************
 api_net_auth_2:
 *************************************************************************/
static void api_net_auth_2( uint16 vuid,
                            prs_struct *data,
                            prs_struct *rdata)
{
	NET_Q_AUTH_2 q_a;
	uint32 status = 0x0;

	DOM_CHAL srv_cred;
	UTIME srv_time;

	user_struct *vuser;

	if ((vuser = get_valid_user_struct(vuid)) == NULL)
      return;

	srv_time.time = 0;

	/* grab the challenge... */
	net_io_q_auth_2("", &q_a, data, 0);

	/* check that the client credentials are valid */
	if (cred_assert(&(q_a.clnt_chal), vuser->dc.sess_key,
                    &(vuser->dc.clnt_cred.challenge), srv_time))
	{

		/* create server challenge for inclusion in the reply */
		cred_create(vuser->dc.sess_key, &(vuser->dc.srv_cred.challenge), srv_time, &srv_cred);

		/* copy the received client credentials for use next time */
		memcpy(vuser->dc.clnt_cred.challenge.data, q_a.clnt_chal.data, sizeof(q_a.clnt_chal.data));
		memcpy(vuser->dc.srv_cred .challenge.data, q_a.clnt_chal.data, sizeof(q_a.clnt_chal.data));
	}
	else
	{
		status = NT_STATUS_ACCESS_DENIED | 0xC0000000;
	}

	/* construct reply. */
	net_reply_auth_2(&q_a, rdata, &srv_cred, status);
}


/*************************************************************************
 api_net_srv_pwset:
 *************************************************************************/
static void api_net_srv_pwset( uint16 vuid,
                               prs_struct *data,
                               prs_struct *rdata)
{
	NET_Q_SRV_PWSET q_a;
	uint32 status = NT_STATUS_WRONG_PASSWORD|0xC0000000;
	DOM_CRED srv_cred;
	pstring mach_acct;
	struct smb_passwd *smb_pass;
	BOOL ret;
	user_struct *vuser;

	if ((vuser = get_valid_user_struct(vuid)) == NULL)
      return;

	/* grab the challenge and encrypted password ... */
	net_io_q_srv_pwset("", &q_a, data, 0);

	/* checks and updates credentials.  creates reply credentials */
	if (deal_with_creds(vuser->dc.sess_key, &(vuser->dc.clnt_cred), 
	                    &(q_a.clnt_id.cred), &srv_cred))
	{
		memcpy(&(vuser->dc.srv_cred), &(vuser->dc.clnt_cred), sizeof(vuser->dc.clnt_cred));

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

		unistr2_to_ascii(mach_acct, &q_a.clnt_id.login.uni_acct_name,
				 sizeof(mach_acct)-1);

		DEBUG(3,("Server Password Set Wksta:[%s]\n", mach_acct));

		become_root(True);
		smb_pass = getsmbpwnam(mach_acct);
		unbecome_root(True);

		if (smb_pass != NULL)
		{
			unsigned char pwd[16];
			int i;

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

			cred_hash3( pwd, q_a.pwd, vuser->dc.sess_key, 0);

			/* lies!  nt and lm passwords are _not_ the same: don't care */
			smb_pass->smb_passwd    = pwd;
			smb_pass->smb_nt_passwd = pwd;
			smb_pass->acct_ctrl     = ACB_WSTRUST;

			become_root(True);
			ret = mod_smbpwd_entry(smb_pass,False);
			unbecome_root(True);

			if (ret)
			{
				/* hooray! */
				status = 0x0;
			}
		}

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

	}
	else
	{
		/* lkclXXXX take a guess at a sensible error code to return... */
		status = 0xC0000000 | NT_STATUS_NETWORK_CREDENTIAL_CONFLICT;
	}

	/* Construct reply. */
	net_reply_srv_pwset(&q_a, rdata, &srv_cred, status);
}


/*************************************************************************
 api_net_sam_logoff:
 *************************************************************************/
static void api_net_sam_logoff( uint16 vuid,
                               prs_struct *data,
                               prs_struct *rdata)
{
	NET_Q_SAM_LOGOFF q_l;
	NET_ID_INFO_CTR ctr;	

	DOM_CRED srv_cred;

	user_struct *vuser;

	if ((vuser = get_valid_user_struct(vuid)) == NULL)
      return;

	/* the DOM_ID_INFO_1 structure is a bit big.  plus we might want to
	   dynamically allocate it inside net_io_q_sam_logon, at some point */
	q_l.sam_id.ctr = &ctr;

	/* grab the challenge... */
	net_io_q_sam_logoff("", &q_l, data, 0);

	/* checks and updates credentials.  creates reply credentials */
	deal_with_creds(vuser->dc.sess_key, &(vuser->dc.clnt_cred), 
	                &(q_l.sam_id.client.cred), &srv_cred);
	memcpy(&(vuser->dc.srv_cred), &(vuser->dc.clnt_cred), sizeof(vuser->dc.clnt_cred));

	/* construct reply.  always indicate success */
	net_reply_sam_logoff(&q_l, rdata,
					&srv_cred,
	                0x0);
}

/*************************************************************************
 net_login_interactive:
 *************************************************************************/
static uint32 net_login_interactive(NET_ID_INFO_1 *id1,
				struct sam_passwd *smb_pass,
				user_struct *vuser)
{
	uint32 status = 0x0;

	char nt_pwd[16];
	char lm_pwd[16];
	unsigned char key[16];

	memset(key, 0, 16);
	memcpy(key, vuser->dc.sess_key, 8);

	memcpy(lm_pwd, id1->lm_owf.data, 16);
	memcpy(nt_pwd, id1->nt_owf.data, 16);

#ifdef DEBUG_PASSWORD
	DEBUG(100,("key:"));
	dump_data(100, key, 16);

	DEBUG(100,("lm owf password:"));
	dump_data(100, lm_pwd, 16);

	DEBUG(100,("nt owf password:"));
	dump_data(100, nt_pwd, 16);
#endif

	SamOEMhash((uchar *)lm_pwd, key, False);
	SamOEMhash((uchar *)nt_pwd, key, False);

#ifdef DEBUG_PASSWORD
	DEBUG(100,("decrypt of lm owf password:"));
	dump_data(100, lm_pwd, 16);

	DEBUG(100,("decrypt of nt owf password:"));
	dump_data(100, nt_pwd, 16);
#endif

	if (smb_pass->smb_nt_passwd == NULL)
	{
		DEBUG(5,("warning: NETLOGON user %s only has an LM password\n",
		          smb_pass->unix_name));
	}

	if (memcmp(smb_pass->smb_passwd   , lm_pwd, 16) != 0 ||
	    smb_pass->smb_nt_passwd == NULL ||
	    memcmp(smb_pass->smb_nt_passwd, nt_pwd, 16) != 0)
	{
		status = 0xC0000000 | NT_STATUS_WRONG_PASSWORD;
	}

	return status;
}

/*************************************************************************
 net_login_network:
 *************************************************************************/
static uint32 net_login_network(NET_ID_INFO_2 *id2,
				struct sam_passwd *smb_pass,
				user_struct *vuser)
{
	DEBUG(5,("net_login_network: lm_len: %d nt_len: %d\n",
		id2->hdr_lm_chal_resp.str_str_len, 
		id2->hdr_nt_chal_resp.str_str_len));

	/* JRA. Check the NT password first if it exists - this is a higher quality 
           password, if it exists and it doesn't match - fail. */

	if (id2->hdr_nt_chal_resp.str_str_len == 24 && 
		smb_pass->smb_nt_passwd != NULL)
	{
		if(smb_password_check((char *)id2->nt_chal_resp.buffer,
		                   smb_pass->smb_nt_passwd,
                           id2->lm_chal)) 
                  return 0x0;
                else
	          return 0xC0000000 | NT_STATUS_WRONG_PASSWORD;
	}

	/* lkclXXXX this is not a good place to put disabling of LM hashes in.
	   if that is to be done, first move this entire function into a
	   library routine that calls the two smb_password_check() functions.
	   if disabling LM hashes (which nt can do for security reasons) then
	   an attempt should be made to disable them everywhere (which nt does
	   not do, for various security-hole reasons).
	 */

	if (id2->hdr_lm_chal_resp.str_str_len == 24 &&
		smb_password_check((char *)id2->lm_chal_resp.buffer,
		                   smb_pass->smb_passwd,
		                   id2->lm_chal))
	{
		return 0x0;
	}


	/* oops! neither password check succeeded */

	return 0xC0000000 | NT_STATUS_WRONG_PASSWORD;
}

/*************************************************************************
 api_net_sam_logon:
 *************************************************************************/
static void api_net_sam_logon( uint16 vuid,
                               prs_struct *data,
                               prs_struct *rdata)
{
	NET_Q_SAM_LOGON q_l;
	NET_ID_INFO_CTR ctr;	
	NET_USER_INFO_3 usr_info;
	uint32 status = 0x0;
	DOM_CRED srv_cred;
	struct sam_passwd *sam_pass = NULL;
	UNISTR2 *uni_samlogon_user = NULL;
	UNISTR2 *uni_domain = NULL;
	fstring nt_username;

	NTTIME logon_time           ;
	NTTIME logoff_time          ;
	NTTIME kickoff_time         ;
	NTTIME pass_last_set_time   ;
	NTTIME pass_can_change_time ;
	NTTIME pass_must_change_time;

	fstring nt_name     ;
	fstring full_name   ;
	fstring logon_script;
	fstring profile_path;
	fstring home_dir    ;
	fstring dir_drive   ;

	uint32 user_rid ;
	uint32 group_rid;

	user_struct *vuser = NULL;

	if ((vuser = get_valid_user_struct(vuid)) == NULL)
	return;

	q_l.sam_id.ctr = &ctr;

	net_io_q_sam_logon("", &q_l, data, 0);

	/* checks and updates credentials.  creates reply credentials */
	if (!deal_with_creds(vuser->dc.sess_key, &(vuser->dc.clnt_cred), 
	                     &(q_l.sam_id.client.cred), &srv_cred))
	{
		status = 0xC0000000 | NT_STATUS_INVALID_HANDLE;
	}
	else
	{
		memcpy(&(vuser->dc.srv_cred), &(vuser->dc.clnt_cred), sizeof(vuser->dc.clnt_cred));
	}

	/* find the username */

	if (status == 0)
	{
		switch (q_l.sam_id.logon_level)
		{
			case INTERACTIVE_LOGON_TYPE:
			{
				uni_samlogon_user = &(q_l.sam_id.ctr->auth.id1.uni_user_name);
				uni_domain        = &(q_l.sam_id.ctr->auth.id1.uni_domain_name);

				DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", global_sam_name));
				break;
			}
			case NET_LOGON_TYPE:
			{
				uni_samlogon_user = &(q_l.sam_id.ctr->auth.id2.uni_user_name);
				uni_domain        = &(q_l.sam_id.ctr->auth.id2.uni_domain_name);

				DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", global_sam_name));
				break;
			}
			default:
			{
				DEBUG(2,("SAM Logon: unsupported switch value\n"));
				status = 0xC0000000 | NT_STATUS_INVALID_INFO_CLASS;
				break;
			}
		} /* end switch */
	} /* end if status == 0 */

	/* check username exists */

	if (status == 0)
	{
		unistr2_to_ascii(nt_username, uni_samlogon_user,
				 sizeof(nt_username)-1);

		DEBUG(3,("User:[%s]\n", nt_username));

		become_root(True);
		sam_pass = getsam21pwntnam(nt_username);
		unbecome_root(True);

		if (sam_pass == NULL)
		{
			status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
		}
		else if (IS_BITS_SET_ALL(sam_pass->acct_ctrl, ACB_DISABLED) &&
			 IS_BITS_CLR_ALL(sam_pass->acct_ctrl, ACB_PWNOTREQ))
		{
			status =  0xC0000000 | NT_STATUS_ACCOUNT_DISABLED;
		}
	}

	if (status == 0x0)
	{
		logon_time            = sam_pass->logon_time;
		logoff_time           = sam_pass->logoff_time;
		kickoff_time          = sam_pass->kickoff_time;
		pass_last_set_time    = sam_pass->pass_last_set_time;
		pass_can_change_time  = sam_pass->pass_can_change_time;
		pass_must_change_time = sam_pass->pass_must_change_time;

		fstrcpy(nt_name     , sam_pass->nt_name);
		fstrcpy(full_name   , sam_pass->full_name);
		fstrcpy(logon_script, sam_pass->logon_script);
		fstrcpy(profile_path, sam_pass->profile_path);
		fstrcpy(home_dir    , sam_pass->home_dir);
		fstrcpy(dir_drive   , sam_pass->dir_drive);

		user_rid  = sam_pass->user_rid;
		group_rid = sam_pass->group_rid;
	}

	/* validate password - if required */

	if (status == 0 && !(IS_BITS_SET_ALL(sam_pass->acct_ctrl, ACB_PWNOTREQ)))
	{
		switch (q_l.sam_id.logon_level)
		{
			case INTERACTIVE_LOGON_TYPE:
			{
				/* interactive login. */
				status = net_login_interactive(&q_l.sam_id.ctr->auth.id1, sam_pass, vuser);
				break;
			}
			case NET_LOGON_TYPE:
			{
				/* network login.  lm challenge and 24 byte responses */
				status = net_login_network(&q_l.sam_id.ctr->auth.id2, sam_pass, vuser);
				break;
			}
		}
	}

	/* lkclXXXX 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.
	*/

	/* return the profile plus other bits :-) */

	if (status == 0)
	{
		int num_gids = 0;
		DOMAIN_GRP *grp_mem = NULL;

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

		if (!getusergroupsntnam(nt_username, &grp_mem, &num_gids))
		{
			status = 0xC0000000 | NT_STATUS_INVALID_PRIMARY_GROUP;
		}

		if (status == 0x0)
		{
			DOM_GID *gids = NULL;
			num_gids = make_dom_gids(grp_mem, num_gids, &gids);

			make_net_user_info3(&usr_info,
				&logon_time,
				&logoff_time,
				&kickoff_time,
				&pass_last_set_time,
				&pass_can_change_time,
				&pass_must_change_time,

				nt_name         , /* user_name */
				full_name       , /* full_name */
				logon_script    , /* logon_script */
				profile_path    , /* profile_path */
				home_dir        , /* home_dir */
				dir_drive       , /* dir_drive */

				0, /* logon_count */
				0, /* bad_pw_count */

				user_rid   , /* RID user_id */
				group_rid  , /* RID group_id */
				num_gids,    /* uint32 num_groups */
				gids    , /* DOM_GID *gids */
				0x20    , /* uint32 user_flgs (?) */

				NULL, /* char sess_key[16] */

				global_myname  , /* char *logon_srv */
				global_sam_name, /* char *logon_dom */
				&global_sam_sid, /* DOM_SID *dom_sid */
				NULL); /* char *other_sids */

			/* Free any allocated groups array. */
			if (gids)
			{
				free((char *)gids);
			}
		}

	}

	net_reply_sam_logon(&q_l, rdata, &srv_cred, &usr_info, status);
}


/*************************************************************************
 api_net_trust_dom_list:
 *************************************************************************/
static void api_net_trust_dom_list( uint16 vuid,
                                 prs_struct *data,
                                 prs_struct *rdata)
{
	NET_Q_TRUST_DOM_LIST q_t;

	char *trusted_domain = "test_domain";

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

	/* grab the lsa trusted domain list query... */
	net_io_q_trust_dom("", &q_t, data, 0);

	/* construct reply. */
	net_reply_trust_dom_list(&q_t, rdata,
				1, trusted_domain);

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


/*************************************************************************
 error messages cropping up when using nltest.exe...
 *************************************************************************/
#define ERROR_NO_SUCH_DOMAIN   0x54b
#define ERROR_NO_LOGON_SERVERS 0x51f

/*************************************************************************
 api_net_logon_ctrl2:
 *************************************************************************/
static void api_net_logon_ctrl2( uint16 vuid,
                                 prs_struct *data,
                                 prs_struct *rdata)
{
	NET_Q_LOGON_CTRL2 q_l;

	/* lkclXXXX - guess what - absolutely no idea what these are! */
	uint32 flags = 0x0;
	uint32 pdc_connection_status = 0x0;
	uint32 logon_attempts = 0x0;
	uint32 tc_status = ERROR_NO_LOGON_SERVERS;
	char *trusted_domain = "test_domain";

	DEBUG(6,("api_net_logon_ctrl2: %d\n", __LINE__));

	/* grab the lsa netlogon ctrl2 query... */
	net_io_q_logon_ctrl2("", &q_l, data, 0);

	/* construct reply. */
	net_reply_logon_ctrl2(&q_l, rdata,
				flags, pdc_connection_status, logon_attempts,
				tc_status, trusted_domain);

	DEBUG(6,("api_net_logon_ctrl2: %d\n", __LINE__));
}

/*******************************************************************
 array of \PIPE\NETLOGON operations
 ********************************************************************/
static struct api_struct api_net_cmds [] =
{
	{ "NET_REQCHAL"       , NET_REQCHAL       , api_net_req_chal       }, 
	{ "NET_AUTH2"         , NET_AUTH2         , api_net_auth_2         }, 
	{ "NET_SRVPWSET"      , NET_SRVPWSET      , api_net_srv_pwset      }, 
	{ "NET_SAMLOGON"      , NET_SAMLOGON      , api_net_sam_logon      }, 
	{ "NET_SAMLOGOFF"     , NET_SAMLOGOFF     , api_net_sam_logoff     }, 
	{ "NET_LOGON_CTRL2"   , NET_LOGON_CTRL2   , api_net_logon_ctrl2    }, 
	{ "NET_TRUST_DOM_LIST", NET_TRUST_DOM_LIST, api_net_trust_dom_list },
    {  NULL               , 0                 , NULL                   }
};

/*******************************************************************
 receives a netlogon pipe and responds.
 ********************************************************************/
BOOL api_netlog_rpc(pipes_struct *p, prs_struct *data)
{
	return api_rpcTNP(p, "api_netlog_rpc", api_net_cmds, data);
}