summaryrefslogtreecommitdiff
path: root/source3/libsmb/cli_netlogon.c
blob: d550c3e9fa75021b3b512800d3f8a0ef43344cc6 (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
/* 
   Unix SMB/CIFS implementation.
   NT Domain Authentication SMB / MSRPC client
   Copyright (C) Andrew Tridgell 1992-2000
   Copyright (C) Luke Kenneth Casson Leighton 1996-2000
   Copyright (C) Tim Potter 2001
   Copyright (C) Paul Ashton                       1997.
   Copyright (C) Jeremy Allison                    1998.
   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.
*/

#include "includes.h"

/* Opens a SMB connection to the netlogon pipe */

struct cli_state *cli_netlogon_initialise(struct cli_state *cli, 
					  char *system_name,
					  struct ntuser_creds *creds)
{
        return cli_pipe_initialise(cli, system_name, PIPE_NETLOGON, creds);
}

/* LSA Request Challenge. Sends our challenge to server, then gets
   server response. These are used to generate the credentials. */

NTSTATUS new_cli_net_req_chal(struct cli_state *cli, DOM_CHAL *clnt_chal, 
                              DOM_CHAL *srv_chal)
{
        prs_struct qbuf, rbuf;
        NET_Q_REQ_CHAL q;
        NET_R_REQ_CHAL r;
        NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
        extern pstring global_myname;

        prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
        prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
        
        /* create and send a MSRPC command with api NET_REQCHAL */

        DEBUG(4,("cli_net_req_chal: LSA Request Challenge from %s to %s: %s\n",
                 cli->desthost, global_myname, credstr(clnt_chal->data)));
        
        /* store the parameters */
        init_q_req_chal(&q, cli->srv_name_slash, global_myname, clnt_chal);
        
        /* Marshall data and send request */

        if (!net_io_q_req_chal("", &q,  &qbuf, 0) ||
            !rpc_api_pipe_req(cli, NET_REQCHAL, &qbuf, &rbuf)) {
                goto done;
        }

        /* Unmarhall response */

        if (!net_io_r_req_chal("", &r, &rbuf, 0)) {
                goto done;
        }

        result = r.status;

        /* Return result */

        if (NT_STATUS_IS_OK(result)) {
                memcpy(srv_chal, r.srv_chal.data, sizeof(srv_chal->data));
        }
        
 done:
        prs_mem_free(&qbuf);
        prs_mem_free(&rbuf);
        
        return result;
}

/****************************************************************************
LSA Authenticate 2

Send the client credential, receive back a server credential.
Ensure that the server credential returned matches the session key 
encrypt of the server challenge originally received. JRA.
****************************************************************************/

NTSTATUS new_cli_net_auth2(struct cli_state *cli, uint16 sec_chan, 
                           uint32 neg_flags, DOM_CHAL *srv_chal)
{
        prs_struct qbuf, rbuf;
        NET_Q_AUTH_2 q;
        NET_R_AUTH_2 r;
        NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
        extern pstring global_myname;

        prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
        prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);

        /* create and send a MSRPC command with api NET_AUTH2 */

        DEBUG(4,("cli_net_auth2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
                 cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname,
                 credstr(cli->clnt_cred.challenge.data), neg_flags));

        /* store the parameters */
        init_q_auth_2(&q, cli->srv_name_slash, cli->mach_acct, 
                      sec_chan, global_myname, &cli->clnt_cred.challenge, 
                      neg_flags);

        /* turn parameters into data stream */

        if (!net_io_q_auth_2("", &q,  &qbuf, 0) ||
            !rpc_api_pipe_req(cli, NET_AUTH2, &qbuf, &rbuf)) {
                goto done;
        }
        
        /* Unmarshall response */
        
        if (!net_io_r_auth_2("", &r, &rbuf, 0)) {
                goto done;
        }

        result = r.status;

        if (NT_STATUS_IS_OK(result)) {
                UTIME zerotime;
                
                /*
                 * Check the returned value using the initial
                 * server received challenge.
                 */

                zerotime.time = 0;
                if (cred_assert( &r.srv_chal, cli->sess_key, srv_chal, 
                                 zerotime) == 0) {

                        /*
                         * Server replied with bad credential. Fail.
                         */
                        DEBUG(0,("cli_net_auth2: server %s replied with bad credential (bad machine \
password ?).\n", cli->desthost ));
                        result = NT_STATUS_ACCESS_DENIED;
                        goto done;
                }
        }

 done:
        prs_mem_free(&qbuf);
        prs_mem_free(&rbuf);
        
        return result;
}

/* Initialize domain session credentials */

NTSTATUS new_cli_nt_setup_creds(struct cli_state *cli, 
                                unsigned char mach_pwd[16])
{
        DOM_CHAL clnt_chal;
        DOM_CHAL srv_chal;
        UTIME zerotime;
        NTSTATUS result;

        /******************* Request Challenge ********************/

        generate_random_buffer(clnt_chal.data, 8, False);
	
        /* send a client challenge; receive a server challenge */
        result = new_cli_net_req_chal(cli, &clnt_chal, &srv_chal);

        if (!NT_STATUS_IS_OK(result)) {
                DEBUG(0,("cli_nt_setup_creds: request challenge failed\n"));
                return result;
        }
        
        /**************** Long-term Session key **************/

        /* calculate the session key */
        cred_session_key(&clnt_chal, &srv_chal, (char *)mach_pwd, 
                         cli->sess_key);
        memset((char *)cli->sess_key+8, '\0', 8);

        /******************* Authenticate 2 ********************/

        /* calculate auth-2 credentials */
        zerotime.time = 0;
        cred_create(cli->sess_key, &clnt_chal, zerotime, 
                    &cli->clnt_cred.challenge);

        /*  
         * Send client auth-2 challenge.
         * Receive an auth-2 challenge response and check it.
         */
        
	result = new_cli_net_auth2(cli, (lp_server_role() == ROLE_DOMAIN_MEMBER) ?
				   SEC_CHAN_WKSTA : SEC_CHAN_BDC, 0x000001ff, 
				   &srv_chal);
	if (!NT_STATUS_IS_OK(result)) {
                DEBUG(0,("cli_nt_setup_creds: auth2 challenge failed %s\n",
			 get_nt_error_msg(result)));
        }

        return result;
}

/* Logon Control 2 */

NTSTATUS cli_netlogon_logon_ctrl2(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                  uint32 query_level)
{
	prs_struct qbuf, rbuf;
	NET_Q_LOGON_CTRL2 q;
	NET_R_LOGON_CTRL2 r;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Initialise input parameters */

	init_net_q_logon_ctrl2(&q, cli->srv_name_slash, query_level);

	/* Marshall data and send request */

	if (!net_io_q_logon_ctrl2("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &qbuf, &rbuf)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	/* Unmarshall response */

	if (!net_io_r_logon_ctrl2("", &r, &rbuf, 0)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	result = r.status;

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/****************************************************************************
Generate the next creds to use.  Yuck - this is a cut&paste from another
file.  They should be combined at some stage.  )-:
****************************************************************************/

static void gen_next_creds( struct cli_state *cli, DOM_CRED *new_clnt_cred)
{
  /*
   * Create the new client credentials.
   */

  cli->clnt_cred.timestamp.time = time(NULL);

  memcpy(new_clnt_cred, &cli->clnt_cred, sizeof(*new_clnt_cred));

  /* Calculate the new credentials. */
  cred_create(cli->sess_key, &(cli->clnt_cred.challenge),
              new_clnt_cred->timestamp, &(new_clnt_cred->challenge));

}

/* Sam synchronisation */

NTSTATUS cli_netlogon_sam_sync(struct cli_state *cli, TALLOC_CTX *mem_ctx, DOM_CRED *ret_creds,
                               uint32 database_id, uint32 *num_deltas,
                               SAM_DELTA_HDR **hdr_deltas, 
                               SAM_DELTA_CTR **deltas)
{
	prs_struct qbuf, rbuf;
	NET_Q_SAM_SYNC q;
	NET_R_SAM_SYNC r;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
        DOM_CRED clnt_creds;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Initialise input parameters */

        gen_next_creds(cli, &clnt_creds);

	init_net_q_sam_sync(&q, cli->srv_name_slash, cli->clnt_name_slash + 2,
                            &clnt_creds, ret_creds, database_id);

	/* Marshall data and send request */

	if (!net_io_q_sam_sync("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, NET_SAM_SYNC, &qbuf, &rbuf)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	/* Unmarshall response */

	if (!net_io_r_sam_sync("", cli->sess_key, &r, &rbuf, 0)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

        /* Return results */

	result = r.status;
        *num_deltas = r.num_deltas2;
        *hdr_deltas = r.hdr_deltas;
        *deltas = r.deltas;

	memcpy(ret_creds, &r.srv_creds, sizeof(*ret_creds));

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Sam synchronisation */

NTSTATUS cli_netlogon_sam_deltas(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                 uint32 database_id, UINT64_S seqnum,
                                 uint32 *num_deltas, 
                                 SAM_DELTA_HDR **hdr_deltas, 
                                 SAM_DELTA_CTR **deltas)
{
	prs_struct qbuf, rbuf;
	NET_Q_SAM_DELTAS q;
	NET_R_SAM_DELTAS r;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
        DOM_CRED clnt_creds;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Initialise input parameters */

        gen_next_creds(cli, &clnt_creds);

	init_net_q_sam_deltas(&q, cli->srv_name_slash, 
                              cli->clnt_name_slash + 2, &clnt_creds, 
                              database_id, seqnum);

	/* Marshall data and send request */

	if (!net_io_q_sam_deltas("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, NET_SAM_DELTAS, &qbuf, &rbuf)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	/* Unmarshall response */

	if (!net_io_r_sam_deltas("", cli->sess_key, &r, &rbuf, 0)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

        /* Return results */

	result = r.status;
        *num_deltas = r.num_deltas2;
        *hdr_deltas = r.hdr_deltas;
        *deltas = r.deltas;

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Logon domain user */

NTSTATUS cli_netlogon_sam_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                char *username, char *password,
                                int logon_type)
{
	prs_struct qbuf, rbuf;
	NET_Q_SAM_LOGON q;
	NET_R_SAM_LOGON r;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
        DOM_CRED clnt_creds, dummy_rtn_creds;
        extern pstring global_myname;
        NET_ID_INFO_CTR ctr;
        NET_USER_INFO_3 user;
        int validation_level = 3;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

        /* Initialise input parameters */

        gen_next_creds(cli, &clnt_creds);

        q.validation_level = validation_level;

	memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
	dummy_rtn_creds.timestamp.time = time(NULL);

        ctr.switch_value = logon_type;

        switch (logon_type) {
        case INTERACTIVE_LOGON_TYPE: {
                unsigned char lm_owf_user_pwd[16], nt_owf_user_pwd[16];

                nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd);

                init_id_info1(&ctr.auth.id1, lp_workgroup(), 
                              0, /* param_ctrl */
                              0xdead, 0xbeef, /* LUID? */
                              username, cli->clnt_name_slash,
                              cli->sess_key, lm_owf_user_pwd,
                              nt_owf_user_pwd);

                break;
        }
        case NET_LOGON_TYPE: {
                uint8 chal[8];
                unsigned char local_lm_response[24];
                unsigned char local_nt_response[24];

                generate_random_buffer(chal, 8, False);

                SMBencrypt(password, chal, local_lm_response);
                SMBNTencrypt(password, chal, local_nt_response);

                init_id_info2(&ctr.auth.id2, lp_workgroup(), 
                              0, /* param_ctrl */
                              0xdead, 0xbeef, /* LUID? */
                              username, cli->clnt_name_slash, chal,
                              local_lm_response, 24, local_nt_response, 24);
                break;
        }
        default:
                DEBUG(0, ("switch value %d not supported\n", 
                          ctr.switch_value));
                goto done;
        }

        init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname,
                      &clnt_creds, &dummy_rtn_creds, logon_type,
                      &ctr);

        /* Marshall data and send request */

	if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

        r.user = &user;

	if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
		goto done;
	}

        /* Return results */

	result = r.status;

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

        return result;
}


/** 
 * Logon domain user with an 'network' SAM logon 
 *
 * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
 **/

NTSTATUS cli_netlogon_sam_network_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
					const char *username, const char *domain, const char *workstation, 
					const uint8 chal[8],
					DATA_BLOB lm_response, DATA_BLOB nt_response,
					NET_USER_INFO_3 *info3)

{
	prs_struct qbuf, rbuf;
	NET_Q_SAM_LOGON q;
	NET_R_SAM_LOGON r;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
        DOM_CRED clnt_creds, dummy_rtn_creds;
	NET_ID_INFO_CTR ctr;
	extern pstring global_myname;
	int validation_level = 3;
	char *workstation_name_slash;
	
	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
	
	if (!workstation_name_slash) {
		DEBUG(0, ("talloc_asprintf failed!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Initialise input parameters */

	gen_next_creds(cli, &clnt_creds);

	q.validation_level = validation_level;

	memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
	dummy_rtn_creds.timestamp.time = time(NULL);

        ctr.switch_value = NET_LOGON_TYPE;

	init_id_info2(&ctr.auth.id2, domain,
		      0, /* param_ctrl */
		      0xdead, 0xbeef, /* LUID? */
		      username, workstation_name_slash, (const uchar*)chal,
		      lm_response.data, lm_response.length, nt_response.data, nt_response.length);
 
        init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname,
                      &clnt_creds, &dummy_rtn_creds, NET_LOGON_TYPE,
                      &ctr);

        /* Marshall data and send request */

	if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

        r.user = info3;

	if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
		goto done;
	}

        /* Return results */

	result = r.status;

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

        return result;
}

/***************************************************************************
LSA Server Password Set.
****************************************************************************/

NTSTATUS cli_net_srv_pwset(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			   char* machine_name, uint8 hashed_mach_pwd[16])
{
	prs_struct rbuf;
	prs_struct qbuf; 
	DOM_CRED new_clnt_cred;
	NET_Q_SRV_PWSET q_s;
	uint16 sec_chan_type = 2;
	NTSTATUS nt_status;
	char *mach_acct;

	gen_next_creds( cli, &new_clnt_cred);
	
	prs_init(&qbuf , 1024, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0,    mem_ctx, UNMARSHALL);
	
	/* create and send a MSRPC command with api NET_SRV_PWSET */
	
	mach_acct = talloc_asprintf(mem_ctx, "%s$", machine_name);
	
	if (!mach_acct) {
		DEBUG(0,("talloc_asprintf failed!\n"));
		nt_status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	DEBUG(4,("cli_net_srv_pwset: srv:%s acct:%s sc: %d mc: %s clnt %s %x\n",
		 cli->srv_name_slash, mach_acct, sec_chan_type, machine_name,
		 credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time));
	
        /* store the parameters */
	init_q_srv_pwset(&q_s, cli->srv_name_slash, cli->sess_key,
			 mach_acct, sec_chan_type, machine_name, 
			 &new_clnt_cred, (char *)hashed_mach_pwd);
	
	/* turn parameters into data stream */
	if(!net_io_q_srv_pwset("", &q_s,  &qbuf, 0)) {
		DEBUG(0,("cli_net_srv_pwset: Error : failed to marshall NET_Q_SRV_PWSET struct.\n"));
		nt_status = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}
	
	/* send the data on \PIPE\ */
	if (rpc_api_pipe_req(cli, NET_SRVPWSET, &qbuf, &rbuf))
	{
		NET_R_SRV_PWSET r_s;
		
		if (!net_io_r_srv_pwset("", &r_s, &rbuf, 0)) {
			nt_status =  NT_STATUS_UNSUCCESSFUL;
			goto done;
		}
		
		nt_status = r_s.status;

		if (!NT_STATUS_IS_OK(r_s.status))
		{
			/* report error code */
			DEBUG(0,("cli_net_srv_pwset: %s\n", get_nt_error_msg(nt_status)));
			goto done;
		}

		/* Update the credentials. */
		if (!clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_cred)))
		{
			/*
			 * Server replied with bad credential. Fail.
			 */
			DEBUG(0,("cli_net_srv_pwset: server %s replied with bad credential (bad machine \
password ?).\n", cli->desthost ));
			nt_status = NT_STATUS_UNSUCCESSFUL;
		}
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);
	
	return nt_status;
}