summaryrefslogtreecommitdiff
path: root/source4/torture/rpc/schannel.c
blob: 0098dcf648db1134f73e8f81b5797efc56e9b10c (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
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
/*
   Unix SMB/CIFS implementation.

   test suite for schannel operations

   Copyright (C) Andrew Tridgell 2004

   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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "librpc/gen_ndr/ndr_netlogon_c.h"
#include "librpc/gen_ndr/ndr_lsa_c.h"
#include "librpc/gen_ndr/ndr_samr_c.h"
#include "auth/credentials/credentials.h"
#include "torture/rpc/torture_rpc.h"
#include "lib/cmdline/popt_common.h"
#include "../libcli/auth/schannel.h"
#include "libcli/auth/libcli_auth.h"
#include "libcli/security/security.h"
#include "system/filesys.h"
#include "param/param.h"
#include "librpc/rpc/dcerpc_proto.h"
#include "libcli/composite/composite.h"
#include "lib/events/events.h"

#define TEST_MACHINE_NAME "schannel"

/*
  try a netlogon SamLogon
*/
bool test_netlogon_ex_ops(struct dcerpc_pipe *p, struct torture_context *tctx,
			  struct cli_credentials *credentials,
			  struct netlogon_creds_CredentialState *creds)
{
	NTSTATUS status;
	struct netr_LogonSamLogonEx r;
	struct netr_NetworkInfo ninfo;
	union netr_LogonLevel logon;
	union netr_Validation validation;
	uint8_t authoritative = 0;
	uint32_t _flags = 0;
	DATA_BLOB names_blob, chal, lm_resp, nt_resp;
	int i;
	int flags = CLI_CRED_NTLM_AUTH;
	struct dcerpc_binding_handle *b = p->binding_handle;

	struct netr_UserSessionKey key;
	struct netr_LMSessionKey LMSessKey;
	uint32_t validation_levels[] = { 2, 3 };
	struct netr_SamBaseInfo *base;
	const char *crypto_alg = "";
	bool can_do_validation_6 = true;

	if (lpcfg_client_lanman_auth(tctx->lp_ctx)) {
		flags |= CLI_CRED_LANMAN_AUTH;
	}

	if (lpcfg_client_ntlmv2_auth(tctx->lp_ctx)) {
		flags |= CLI_CRED_NTLMv2_AUTH;
	}

	cli_credentials_get_ntlm_username_domain(cmdline_credentials, tctx,
						 &ninfo.identity_info.account_name.string,
						 &ninfo.identity_info.domain_name.string);

	generate_random_buffer(ninfo.challenge,
			       sizeof(ninfo.challenge));
	chal = data_blob_const(ninfo.challenge,
			       sizeof(ninfo.challenge));

	names_blob = NTLMv2_generate_names_blob(tctx, cli_credentials_get_workstation(credentials),
						cli_credentials_get_domain(credentials));

	status = cli_credentials_get_ntlm_response(cmdline_credentials, tctx,
						   &flags,
						   chal,
						   names_blob,
						   &lm_resp, &nt_resp,
						   NULL, NULL);
	torture_assert_ntstatus_ok(tctx, status,
				   "cli_credentials_get_ntlm_response failed");

	ninfo.lm.data = lm_resp.data;
	ninfo.lm.length = lm_resp.length;

	ninfo.nt.data = nt_resp.data;
	ninfo.nt.length = nt_resp.length;

	ninfo.identity_info.parameter_control = 0;
	ninfo.identity_info.logon_id_low = 0;
	ninfo.identity_info.logon_id_high = 0;
	ninfo.identity_info.workstation.string = cli_credentials_get_workstation(credentials);

	logon.network = &ninfo;

	r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
	r.in.computer_name = cli_credentials_get_workstation(credentials);
	r.in.logon_level = NetlogonNetworkInformation;
	r.in.logon= &logon;
	r.in.flags = &_flags;
	r.out.validation = &validation;
	r.out.authoritative = &authoritative;
	r.out.flags = &_flags;

	/*
	- retrieve level6
	- save usrsession and lmsession key
	- retrieve level 2
	- calculate, compare
	- retrieve level 3
	- calculate, compare
	*/

	if (creds) {
		if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
			crypto_alg = "AES";
		} else if (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
			crypto_alg = "ARCFOUR";
		}
	}

	r.in.validation_level = 6;

	torture_comment(tctx,
			"Testing LogonSamLogonEx with name %s using %s and validation_level: %d\n",
			ninfo.identity_info.account_name.string, crypto_alg,
			r.in.validation_level);

	torture_assert_ntstatus_ok(tctx,
		dcerpc_netr_LogonSamLogonEx_r(b, tctx, &r),
		"LogonSamLogonEx failed");
	if (NT_STATUS_EQUAL(r.out.result, NT_STATUS_INVALID_INFO_CLASS)) {
		can_do_validation_6 = false;
	} else {
		torture_assert_ntstatus_ok(tctx, r.out.result,
			"LogonSamLogonEx failed");

		key = r.out.validation->sam6->base.key;
		LMSessKey = r.out.validation->sam6->base.LMSessKey;

		DEBUG(1,("unencrypted session keys from validation_level 6:\n"));
		dump_data(1, r.out.validation->sam6->base.key.key, 16);
		dump_data(1, r.out.validation->sam6->base.LMSessKey.key, 8);
	}

	for (i=0; i < ARRAY_SIZE(validation_levels); i++) {

		r.in.validation_level = validation_levels[i];

		torture_comment(tctx,
			"Testing LogonSamLogonEx with name %s using %s and validation_level: %d\n",
			ninfo.identity_info.account_name.string, crypto_alg,
			r.in.validation_level);

		torture_assert_ntstatus_ok(tctx,
			dcerpc_netr_LogonSamLogonEx_r(b, tctx, &r),
			"LogonSamLogonEx failed");
		torture_assert_ntstatus_ok(tctx, r.out.result,
			"LogonSamLogonEx failed");

		if (creds == NULL) {
			/* when this test is called without creds no point in
			 * testing the session keys */
			continue;
		}

		switch (validation_levels[i]) {
		case 2:
			base = &r.out.validation->sam2->base;
			break;
		case 3:
			base = &r.out.validation->sam3->base;
			break;
		default:
			break;
		}

		DEBUG(1,("encrypted keys validation_level %d:\n",
			validation_levels[i]));
		dump_data(1, base->key.key, 16);
		dump_data(1, base->LMSessKey.key, 8);

		if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
			netlogon_creds_aes_decrypt(creds, base->key.key, 16);
			netlogon_creds_aes_decrypt(creds, base->LMSessKey.key, 8);
		} else if (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
			netlogon_creds_arcfour_crypt(creds, base->key.key, 16);
			netlogon_creds_arcfour_crypt(creds, base->LMSessKey.key, 8);
		}

		DEBUG(1,("decryped keys validation_level %d\n",
			validation_levels[i]));

		dump_data(1, base->key.key, 16);
		dump_data(1, base->LMSessKey.key, 8);

		if (!can_do_validation_6) {
			/* we cant compare against unencrypted keys */
			continue;
		}

		torture_assert_mem_equal(tctx,
					 base->key.key,
					 key.key,
					 16,
					 "unexpected user session key\n");
		torture_assert_mem_equal(tctx,
					 base->LMSessKey.key,
					 LMSessKey.key,
					 8,
					 "unexpected LM session key\n");
	}

	return true;
}

/*
  do some samr ops using the schannel connection
 */
static bool test_samr_ops(struct torture_context *tctx,
			  struct dcerpc_binding_handle *b)
{
	struct samr_GetDomPwInfo r;
	struct samr_PwInfo info;
	struct samr_Connect connect_r;
	struct samr_OpenDomain opendom;
	int i;
	struct lsa_String name;
	struct policy_handle handle;
	struct policy_handle domain_handle;

	name.string = lpcfg_workgroup(tctx->lp_ctx);
	r.in.domain_name = &name;
	r.out.info = &info;

	connect_r.in.system_name = 0;
	connect_r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
	connect_r.out.connect_handle = &handle;

	torture_comment(tctx, "Testing Connect and OpenDomain on BUILTIN\n");

	torture_assert_ntstatus_ok(tctx, dcerpc_samr_Connect_r(b, tctx, &connect_r),
		"Connect failed");
	if (!NT_STATUS_IS_OK(connect_r.out.result)) {
		if (NT_STATUS_EQUAL(connect_r.out.result, NT_STATUS_ACCESS_DENIED)) {
			torture_comment(tctx, "Connect failed (expected, schannel mapped to anonymous): %s\n",
			       nt_errstr(connect_r.out.result));
		} else {
			torture_comment(tctx, "Connect failed - %s\n", nt_errstr(connect_r.out.result));
			return false;
		}
	} else {
		opendom.in.connect_handle = &handle;
		opendom.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
		opendom.in.sid = dom_sid_parse_talloc(tctx, "S-1-5-32");
		opendom.out.domain_handle = &domain_handle;

		torture_assert_ntstatus_ok(tctx, dcerpc_samr_OpenDomain_r(b, tctx, &opendom),
			"OpenDomain failed");
		if (!NT_STATUS_IS_OK(opendom.out.result)) {
			torture_comment(tctx, "OpenDomain failed - %s\n", nt_errstr(opendom.out.result));
			return false;
		}
	}

	torture_comment(tctx, "Testing GetDomPwInfo with name %s\n", r.in.domain_name->string);

	/* do several ops to test credential chaining */
	for (i=0;i<5;i++) {
		torture_assert_ntstatus_ok(tctx, dcerpc_samr_GetDomPwInfo_r(b, tctx, &r),
			"GetDomPwInfo failed");
		if (!NT_STATUS_IS_OK(r.out.result)) {
			if (!NT_STATUS_EQUAL(r.out.result, NT_STATUS_ACCESS_DENIED)) {
				torture_comment(tctx, "GetDomPwInfo op %d failed - %s\n", i, nt_errstr(r.out.result));
				return false;
			}
		}
	}

	return true;
}


/*
  do some lsa ops using the schannel connection
 */
static bool test_lsa_ops(struct torture_context *tctx, struct dcerpc_pipe *p)
{
	struct lsa_GetUserName r;
	bool ret = true;
	struct lsa_String *account_name_p = NULL;
	struct lsa_String *authority_name_p = NULL;
	struct dcerpc_binding_handle *b = p->binding_handle;

	torture_comment(tctx, "\nTesting GetUserName\n");

	r.in.system_name = "\\";
	r.in.account_name = &account_name_p;
	r.in.authority_name = &authority_name_p;
	r.out.account_name = &account_name_p;

	/* do several ops to test credential chaining and various operations */
	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_GetUserName_r(b, tctx, &r),
		"lsa_GetUserName failed");

	authority_name_p = *r.out.authority_name;

	if (!NT_STATUS_IS_OK(r.out.result)) {
		torture_comment(tctx, "GetUserName failed - %s\n", nt_errstr(r.out.result));
		return false;
	} else {
		if (!r.out.account_name) {
			return false;
		}

		if (strcmp(account_name_p->string, "ANONYMOUS LOGON") != 0) {
			torture_comment(tctx, "GetUserName returned wrong user: %s, expected %s\n",
			       account_name_p->string, "ANONYMOUS LOGON");
			/* FIXME: gd */
			if (!torture_setting_bool(tctx, "samba3", false)) {
				return false;
			}
		}
		if (!authority_name_p || !authority_name_p->string) {
			return false;
		}

		if (strcmp(authority_name_p->string, "NT AUTHORITY") != 0) {
			torture_comment(tctx, "GetUserName returned wrong user: %s, expected %s\n",
			       authority_name_p->string, "NT AUTHORITY");
			/* FIXME: gd */
			if (!torture_setting_bool(tctx, "samba3", false)) {
				return false;
			}
		}
	}

	return ret;
}


/*
  test a schannel connection with the given flags
 */
static bool test_schannel(struct torture_context *tctx,
			  uint16_t acct_flags, uint32_t dcerpc_flags,
			  int i)
{
	struct test_join *join_ctx;
	NTSTATUS status;
	const char *binding = torture_setting_string(tctx, "binding", NULL);
	struct dcerpc_binding *b;
	struct dcerpc_pipe *p = NULL;
	struct dcerpc_pipe *p_netlogon = NULL;
	struct dcerpc_pipe *p_netlogon2 = NULL;
	struct dcerpc_pipe *p_netlogon3 = NULL;
	struct dcerpc_pipe *p_samr2 = NULL;
	struct dcerpc_pipe *p_lsa = NULL;
	struct netlogon_creds_CredentialState *creds;
	struct cli_credentials *credentials;
	enum dcerpc_transport_t transport;

	join_ctx = torture_join_domain(tctx,
				       talloc_asprintf(tctx, "%s%d", TEST_MACHINE_NAME, i),
				       acct_flags, &credentials);
	torture_assert(tctx, join_ctx != NULL, "Failed to join domain");

	status = dcerpc_parse_binding(tctx, binding, &b);
	torture_assert_ntstatus_ok(tctx, status, "Bad binding string");

	b->flags &= ~DCERPC_AUTH_OPTIONS;
	b->flags |= dcerpc_flags;

	status = dcerpc_pipe_connect_b(tctx, &p, b, &ndr_table_samr,
				       credentials, tctx->ev, tctx->lp_ctx);
	torture_assert_ntstatus_ok(tctx, status,
		"Failed to connect to samr with schannel");

	torture_assert(tctx, test_samr_ops(tctx, p->binding_handle),
		       "Failed to process schannel secured SAMR ops");

	/* Also test that when we connect to the netlogon pipe, that
	 * the credentials we setup on the first pipe are valid for
	 * the second */

	/* Swap the binding details from SAMR to NETLOGON */
	status = dcerpc_epm_map_binding(tctx, b, &ndr_table_netlogon, tctx->ev, tctx->lp_ctx);
	torture_assert_ntstatus_ok(tctx, status, "epm map");

	status = dcerpc_secondary_connection(p, &p_netlogon,
					     b);
	torture_assert_ntstatus_ok(tctx, status, "secondary connection");

	status = dcerpc_bind_auth(p_netlogon, &ndr_table_netlogon,
				  credentials, lpcfg_gensec_settings(tctx, tctx->lp_ctx),
				  DCERPC_AUTH_TYPE_SCHANNEL,
				  dcerpc_auth_level(p->conn),
				  NULL);

	torture_assert_ntstatus_ok(tctx, status, "bind auth");

	creds = cli_credentials_get_netlogon_creds(credentials);
	torture_assert(tctx, (creds != NULL), "schannel creds");

	/* checks the capabilities */
	torture_assert(tctx, test_netlogon_capabilities(p_netlogon, tctx, credentials, creds),
		       "Failed to process schannel secured capability ops (on fresh connection)");

	/* do a couple of logins */
	torture_assert(tctx, test_netlogon_ops(p_netlogon, tctx, credentials, creds),
		"Failed to process schannel secured NETLOGON ops");

	torture_assert(tctx, test_netlogon_ex_ops(p_netlogon, tctx, credentials, creds),
		"Failed to process schannel secured NETLOGON EX ops");

	/* we *MUST* use ncacn_np for openpolicy etc. */
	transport = b->transport;
	b->transport = NCACN_NP;

	/* Swap the binding details from SAMR to LSARPC */
	status = dcerpc_epm_map_binding(tctx, b, &ndr_table_lsarpc, tctx->ev, tctx->lp_ctx);
	torture_assert_ntstatus_ok(tctx, status, "epm map");

	torture_assert_ntstatus_ok(tctx,
		dcerpc_pipe_connect_b(tctx, &p_lsa, b, &ndr_table_lsarpc,
				      credentials, tctx->ev, tctx->lp_ctx),
		"failed to connect lsarpc with schannel");

	torture_assert(tctx, test_lsa_ops(tctx, p_lsa),
		"Failed to process schannel secured LSA ops");

	talloc_free(p_lsa);
	p_lsa = NULL;

	b->transport = transport;

	/* we *MUST* use ncacn_ip_tcp for lookupsids3/lookupnames4 */
	transport = b->transport;
	b->transport = NCACN_IP_TCP;

	torture_assert_ntstatus_ok(tctx,
		dcerpc_epm_map_binding(tctx, b, &ndr_table_lsarpc, tctx->ev, tctx->lp_ctx),
		"failed to call epm map");

	torture_assert_ntstatus_ok(tctx,
		dcerpc_pipe_connect_b(tctx, &p_lsa, b, &ndr_table_lsarpc,
				      credentials, tctx->ev, tctx->lp_ctx),
		"failed to connect lsarpc with schannel");

	torture_assert(tctx,
		test_many_LookupSids(p_lsa, tctx, NULL),
		"LsaLookupSids3 failed!\n");

	b->transport = transport;

	/* Drop the socket, we want to start from scratch */
	talloc_free(p);
	p = NULL;

	/* Now see what we are still allowed to do */

	status = dcerpc_parse_binding(tctx, binding, &b);
	torture_assert_ntstatus_ok(tctx, status, "Bad binding string");

	b->flags &= ~DCERPC_AUTH_OPTIONS;
	b->flags |= dcerpc_flags;

	status = dcerpc_pipe_connect_b(tctx, &p_samr2, b, &ndr_table_samr,
				       credentials, tctx->ev, tctx->lp_ctx);
	torture_assert_ntstatus_ok(tctx, status,
		"Failed to connect with schannel");

	/* do a some SAMR operations.  We have *not* done a new serverauthenticate */
	torture_assert (tctx, test_samr_ops(tctx, p_samr2->binding_handle),
			"Failed to process schannel secured SAMR ops (on fresh connection)");

	/* Swap the binding details from SAMR to NETLOGON */
	status = dcerpc_epm_map_binding(tctx, b, &ndr_table_netlogon, tctx->ev, tctx->lp_ctx);
	torture_assert_ntstatus_ok(tctx, status, "epm");

	status = dcerpc_secondary_connection(p_samr2, &p_netlogon2,
					     b);
	torture_assert_ntstatus_ok(tctx, status, "secondary connection");

	/* and now setup an SCHANNEL bind on netlogon */
	status = dcerpc_bind_auth(p_netlogon2, &ndr_table_netlogon,
				  credentials, lpcfg_gensec_settings(tctx, tctx->lp_ctx),
				  DCERPC_AUTH_TYPE_SCHANNEL,
				  dcerpc_auth_level(p_samr2->conn),
				  NULL);

	torture_assert_ntstatus_ok(tctx, status, "auth failed");

	/* checks the capabilities */
	torture_assert(tctx, test_netlogon_capabilities(p_netlogon2, tctx, credentials, creds),
		       "Failed to process schannel secured capability ops (on fresh connection)");

	/* Try the schannel-only SamLogonEx operation */
	torture_assert(tctx, test_netlogon_ex_ops(p_netlogon2, tctx, credentials, creds),
		       "Failed to process schannel secured NETLOGON EX ops (on fresh connection)");


	/* And the more traditional style, proving that the
	 * credentials chaining state is fully present */
	torture_assert(tctx, test_netlogon_ops(p_netlogon2, tctx, credentials, creds),
			     "Failed to process schannel secured NETLOGON ops (on fresh connection)");

	/* Drop the socket, we want to start from scratch (again) */
	talloc_free(p_samr2);

	/* We don't want schannel for this test */
	b->flags &= ~DCERPC_AUTH_OPTIONS;

	status = dcerpc_pipe_connect_b(tctx, &p_netlogon3, b, &ndr_table_netlogon,
				       credentials, tctx->ev, tctx->lp_ctx);
	torture_assert_ntstatus_ok(tctx, status, "Failed to connect without schannel");

	torture_assert(tctx, !test_netlogon_ex_ops(p_netlogon3, tctx, credentials, creds),
			"Processed NOT schannel secured NETLOGON EX ops without SCHANNEL (unsafe)");

	/* Required because the previous call will mark the current context as having failed */
	tctx->last_result = TORTURE_OK;
	tctx->last_reason = NULL;

	torture_assert(tctx, test_netlogon_ops(p_netlogon3, tctx, credentials, creds),
			"Failed to processed NOT schannel secured NETLOGON ops without new ServerAuth");

	torture_leave_domain(tctx, join_ctx);
	return true;
}



/*
  a schannel test suite
 */
bool torture_rpc_schannel(struct torture_context *torture)
{
	bool ret = true;
	struct {
		uint16_t acct_flags;
		uint32_t dcerpc_flags;
	} tests[] = {
		{ ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_AUTO},
		{ ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_AUTO},
		{ ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_128},
		{ ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_128 },
		{ ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_AES},
		{ ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_AES },
		{ ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_AUTO},
		{ ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_AUTO},
		{ ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_128 },
		{ ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_128 },
		{ ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_AES },
		{ ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_AES }
	};
	int i;

	for (i=0;i<ARRAY_SIZE(tests);i++) {
		torture_comment(torture, "Testing with acct_flags=0x%x dcerpc_flags=0x%x \n",
		       tests[i].acct_flags, tests[i].dcerpc_flags);

		if (!test_schannel(torture,
				   tests[i].acct_flags, tests[i].dcerpc_flags,
				   i)) {
			torture_comment(torture, "Failed with acct_flags=0x%x dcerpc_flags=0x%x \n",
			       tests[i].acct_flags, tests[i].dcerpc_flags);
			ret = false;
		}
	}

	return ret;
}

/*
  test two schannel connections
 */
bool torture_rpc_schannel2(struct torture_context *torture)
{
	struct test_join *join_ctx;
	NTSTATUS status;
	const char *binding = torture_setting_string(torture, "binding", NULL);
	struct dcerpc_binding *b;
	struct dcerpc_pipe *p1 = NULL, *p2 = NULL;
	struct cli_credentials *credentials1, *credentials2;
	uint32_t dcerpc_flags = DCERPC_SCHANNEL | DCERPC_SIGN;

	join_ctx = torture_join_domain(torture, talloc_asprintf(torture, "%s2", TEST_MACHINE_NAME),
				       ACB_WSTRUST, &credentials1);
	torture_assert(torture, join_ctx != NULL,
		       "Failed to join domain with acct_flags=ACB_WSTRUST");

	credentials2 = cli_credentials_shallow_copy(torture, credentials1);
	cli_credentials_set_netlogon_creds(credentials1, NULL);
	cli_credentials_set_netlogon_creds(credentials2, NULL);

	status = dcerpc_parse_binding(torture, binding, &b);
	torture_assert_ntstatus_ok(torture, status, "Bad binding string");

	b->flags &= ~DCERPC_AUTH_OPTIONS;
	b->flags |= dcerpc_flags;

	torture_comment(torture, "Opening first connection\n");
	status = dcerpc_pipe_connect_b(torture, &p1, b, &ndr_table_netlogon,
				       credentials1, torture->ev, torture->lp_ctx);
	torture_assert_ntstatus_ok(torture, status, "Failed to connect with schannel");

	torture_comment(torture, "Opening second connection\n");
	status = dcerpc_pipe_connect_b(torture, &p2, b, &ndr_table_netlogon,
				       credentials2, torture->ev, torture->lp_ctx);
	torture_assert_ntstatus_ok(torture, status, "Failed to connect with schannel");

	cli_credentials_set_netlogon_creds(credentials1, NULL);
	cli_credentials_set_netlogon_creds(credentials2, NULL);

	torture_comment(torture, "Testing logon on pipe1\n");
	if (!test_netlogon_ex_ops(p1, torture, credentials1, NULL))
		return false;

	torture_comment(torture, "Testing logon on pipe2\n");
	if (!test_netlogon_ex_ops(p2, torture, credentials2, NULL))
		return false;

	torture_comment(torture, "Again on pipe1\n");
	if (!test_netlogon_ex_ops(p1, torture, credentials1, NULL))
		return false;

	torture_comment(torture, "Again on pipe2\n");
	if (!test_netlogon_ex_ops(p2, torture, credentials2, NULL))
		return false;

	torture_leave_domain(torture, join_ctx);
	return true;
}

struct torture_schannel_bench;

struct torture_schannel_bench_conn {
	struct torture_schannel_bench *s;
	int index;
	struct cli_credentials *wks_creds;
	struct dcerpc_pipe *pipe;
	struct netr_LogonSamLogonEx r;
	struct netr_NetworkInfo ninfo;
	TALLOC_CTX *tmp;
	uint64_t total;
	uint32_t count;
};

struct torture_schannel_bench {
	struct torture_context *tctx;
	bool progress;
	int timelimit;
	int nprocs;
	int nconns;
	struct torture_schannel_bench_conn *conns;
	struct test_join *join_ctx1;
	struct cli_credentials *wks_creds1;
	struct test_join *join_ctx2;
	struct cli_credentials *wks_creds2;
	struct cli_credentials *user1_creds;
	struct cli_credentials *user2_creds;
	struct dcerpc_binding *b;
	NTSTATUS error;
	uint64_t total;
	uint32_t count;
	bool stopped;
};

static void torture_schannel_bench_connected(struct composite_context *c)
{
	struct torture_schannel_bench_conn *conn =
		(struct torture_schannel_bench_conn *)c->async.private_data;
	struct torture_schannel_bench *s = talloc_get_type(conn->s,
					   struct torture_schannel_bench);

	s->error = dcerpc_pipe_connect_b_recv(c, s->conns, &conn->pipe);
	torture_comment(s->tctx, "conn[%u]: %s\n", conn->index, nt_errstr(s->error));
	if (NT_STATUS_IS_OK(s->error)) {
		s->nconns++;
	}
}

static void torture_schannel_bench_recv(struct tevent_req *subreq);

static bool torture_schannel_bench_start(struct torture_schannel_bench_conn *conn)
{
	struct torture_schannel_bench *s = conn->s;
	NTSTATUS status;
	DATA_BLOB names_blob, chal, lm_resp, nt_resp;
	int flags = CLI_CRED_NTLM_AUTH;
	struct tevent_req *subreq;
	struct cli_credentials *user_creds;

	if (conn->total % 2) {
		user_creds = s->user1_creds;
	} else {
		user_creds = s->user2_creds;
	}

	if (lpcfg_client_lanman_auth(s->tctx->lp_ctx)) {
		flags |= CLI_CRED_LANMAN_AUTH;
	}

	if (lpcfg_client_ntlmv2_auth(s->tctx->lp_ctx)) {
		flags |= CLI_CRED_NTLMv2_AUTH;
	}

	talloc_free(conn->tmp);
	conn->tmp = talloc_new(s);
	ZERO_STRUCT(conn->ninfo);
	ZERO_STRUCT(conn->r);

	cli_credentials_get_ntlm_username_domain(user_creds, conn->tmp,
						 &conn->ninfo.identity_info.account_name.string,
						 &conn->ninfo.identity_info.domain_name.string);

	generate_random_buffer(conn->ninfo.challenge,
			       sizeof(conn->ninfo.challenge));
	chal = data_blob_const(conn->ninfo.challenge,
			       sizeof(conn->ninfo.challenge));

	names_blob = NTLMv2_generate_names_blob(conn->tmp,
						cli_credentials_get_workstation(conn->wks_creds),
						cli_credentials_get_domain(conn->wks_creds));

	status = cli_credentials_get_ntlm_response(user_creds, conn->tmp,
						   &flags,
						   chal,
						   names_blob,
						   &lm_resp, &nt_resp,
						   NULL, NULL);
	torture_assert_ntstatus_ok(s->tctx, status,
				   "cli_credentials_get_ntlm_response failed");

	conn->ninfo.lm.data = lm_resp.data;
	conn->ninfo.lm.length = lm_resp.length;

	conn->ninfo.nt.data = nt_resp.data;
	conn->ninfo.nt.length = nt_resp.length;

	conn->ninfo.identity_info.parameter_control = 0;
	conn->ninfo.identity_info.logon_id_low = 0;
	conn->ninfo.identity_info.logon_id_high = 0;
	conn->ninfo.identity_info.workstation.string = cli_credentials_get_workstation(conn->wks_creds);

	conn->r.in.server_name = talloc_asprintf(conn->tmp, "\\\\%s", dcerpc_server_name(conn->pipe));
	conn->r.in.computer_name = cli_credentials_get_workstation(conn->wks_creds);
	conn->r.in.logon_level = NetlogonNetworkInformation;
	conn->r.in.logon = talloc(conn->tmp, union netr_LogonLevel);
	conn->r.in.logon->network = &conn->ninfo;
	conn->r.in.flags = talloc(conn->tmp, uint32_t);
	conn->r.in.validation_level = 2;
	conn->r.out.validation = talloc(conn->tmp, union netr_Validation);
	conn->r.out.authoritative = talloc(conn->tmp, uint8_t);
	conn->r.out.flags = conn->r.in.flags;

	subreq = dcerpc_netr_LogonSamLogonEx_r_send(s, s->tctx->ev,
						    conn->pipe->binding_handle,
						    &conn->r);
	torture_assert(s->tctx, subreq, "Failed to setup LogonSamLogonEx request");

	tevent_req_set_callback(subreq, torture_schannel_bench_recv, conn);

	return true;
}

static void torture_schannel_bench_recv(struct tevent_req *subreq)
{
	bool ret;
	struct torture_schannel_bench_conn *conn =
		(struct torture_schannel_bench_conn *)tevent_req_callback_data_void(subreq);
	struct torture_schannel_bench *s = talloc_get_type(conn->s,
					   struct torture_schannel_bench);

	s->error = dcerpc_netr_LogonSamLogonEx_r_recv(subreq, subreq);
	TALLOC_FREE(subreq);
	if (!NT_STATUS_IS_OK(s->error)) {
		return;
	}

	conn->total++;
	conn->count++;

	if (s->stopped) {
		return;
	}

	ret = torture_schannel_bench_start(conn);
	if (!ret) {
		s->error = NT_STATUS_INTERNAL_ERROR;
	}
}

/*
  test multiple schannel connection in parallel
 */
bool torture_rpc_schannel_bench1(struct torture_context *torture)
{
	bool ret = true;
	NTSTATUS status;
	const char *binding = torture_setting_string(torture, "binding", NULL);
	struct torture_schannel_bench *s;
	struct timeval start;
	struct timeval end;
	int i;
	const char *tmp;

	s = talloc_zero(torture, struct torture_schannel_bench);
	s->tctx = torture;
	s->progress = torture_setting_bool(torture, "progress", true);
	s->timelimit = torture_setting_int(torture, "timelimit", 10);
	s->nprocs = torture_setting_int(torture, "nprocs", 4);
	s->conns = talloc_zero_array(s, struct torture_schannel_bench_conn, s->nprocs);

	s->user1_creds = cli_credentials_shallow_copy(s, cmdline_credentials);
	tmp = torture_setting_string(s->tctx, "extra_user1", NULL);
	if (tmp) {
		cli_credentials_parse_string(s->user1_creds, tmp, CRED_SPECIFIED);
	}
	s->user2_creds = cli_credentials_shallow_copy(s, cmdline_credentials);
	tmp = torture_setting_string(s->tctx, "extra_user2", NULL);
	if (tmp) {
		cli_credentials_parse_string(s->user1_creds, tmp, CRED_SPECIFIED);
	}

	s->join_ctx1 = torture_join_domain(s->tctx, talloc_asprintf(s, "%sb", TEST_MACHINE_NAME),
					   ACB_WSTRUST, &s->wks_creds1);
	torture_assert(torture, s->join_ctx1 != NULL,
		       "Failed to join domain with acct_flags=ACB_WSTRUST");
	s->join_ctx2 = torture_join_domain(s->tctx, talloc_asprintf(s, "%sc", TEST_MACHINE_NAME),
					   ACB_WSTRUST, &s->wks_creds2);
	torture_assert(torture, s->join_ctx2 != NULL,
		       "Failed to join domain with acct_flags=ACB_WSTRUST");

	cli_credentials_set_kerberos_state(s->wks_creds1, CRED_DONT_USE_KERBEROS);
	cli_credentials_set_kerberos_state(s->wks_creds2, CRED_DONT_USE_KERBEROS);

	for (i=0; i < s->nprocs; i++) {
		struct cli_credentials *wks = s->wks_creds1;

		if ((i % 2) && (torture_setting_bool(torture, "multijoin", false))) {
			wks = s->wks_creds2;
		}

		s->conns[i].s = s;
		s->conns[i].index = i;
		s->conns[i].wks_creds = cli_credentials_shallow_copy(s->conns, wks);
		cli_credentials_set_netlogon_creds(s->conns[i].wks_creds, NULL);
	}

	status = dcerpc_parse_binding(s, binding, &s->b);
	torture_assert_ntstatus_ok(torture, status, "Bad binding string");
	s->b->flags &= ~DCERPC_AUTH_OPTIONS;
	s->b->flags |= DCERPC_SCHANNEL | DCERPC_SIGN;

	torture_comment(torture, "Opening %d connections in parallel\n", s->nprocs);
	for (i=0; i < s->nprocs; i++) {
#if 1
		s->error = dcerpc_pipe_connect_b(s->conns, &s->conns[i].pipe, s->b,
						 &ndr_table_netlogon,
						 s->conns[i].wks_creds,
						 torture->ev, torture->lp_ctx);
		torture_assert_ntstatus_ok(torture, s->error, "Failed to connect with schannel");
#else
		/*
		 * This path doesn't work against windows,
		 * because of windows drops the connections
		 * which haven't reached a session setup yet
		 *
		 * The same as the reset on zero vc stuff.
		 */
		struct composite_context *c;
		c = dcerpc_pipe_connect_b_send(s->conns, s->b,
					       &ndr_table_netlogon,
					       s->conns[i].wks_creds,
					       torture->ev,
					       torture->lp_ctx);
		torture_assert(torture, c != NULL, "Failed to setup connect");
		c->async.fn = torture_schannel_bench_connected;
		c->async.private_data = &s->conns[i];
	}

	while (NT_STATUS_IS_OK(s->error) && s->nprocs != s->nconns) {
		int ev_ret = tevent_loop_once(torture->ev);
		torture_assert(torture, ev_ret == 0, "tevent_loop_once failed");
#endif
	}
	torture_assert_ntstatus_ok(torture, s->error, "Failed establish a connect");

	/*
	 * Change the workstation password after establishing the netlogon
	 * schannel connections to prove that existing connections are not
	 * affected by a wks pwchange.
	 */

	{
		struct netr_ServerPasswordSet pwset;
		char *password = generate_random_password(s->join_ctx1, 8, 255);
		struct netlogon_creds_CredentialState *creds_state;
		struct dcerpc_pipe *net_pipe;
		struct netr_Authenticator credential, return_authenticator;
		struct samr_Password new_password;

		status = dcerpc_pipe_connect_b(s, &net_pipe, s->b,
					       &ndr_table_netlogon,
					       s->wks_creds1,
					       torture->ev, torture->lp_ctx);

		torture_assert_ntstatus_ok(torture, status,
					   "dcerpc_pipe_connect_b failed");

		pwset.in.server_name = talloc_asprintf(
			net_pipe, "\\\\%s", dcerpc_server_name(net_pipe));
		pwset.in.computer_name =
			cli_credentials_get_workstation(s->wks_creds1);
		pwset.in.account_name = talloc_asprintf(
			net_pipe, "%s$", pwset.in.computer_name);
		pwset.in.secure_channel_type = SEC_CHAN_WKSTA;
		pwset.in.credential = &credential;
		pwset.in.new_password = &new_password;
		pwset.out.return_authenticator = &return_authenticator;

		E_md4hash(password, new_password.hash);

		creds_state = cli_credentials_get_netlogon_creds(
			s->wks_creds1);
		netlogon_creds_des_encrypt(creds_state, &new_password);
		netlogon_creds_client_authenticator(creds_state, &credential);

		torture_assert_ntstatus_ok(torture, dcerpc_netr_ServerPasswordSet_r(net_pipe->binding_handle, torture, &pwset),
			"ServerPasswordSet failed");
		torture_assert_ntstatus_ok(torture, pwset.out.result,
					   "ServerPasswordSet failed");

		if (!netlogon_creds_client_check(creds_state,
					&pwset.out.return_authenticator->cred)) {
			torture_comment(torture, "Credential chaining failed\n");
		}

		cli_credentials_set_password(s->wks_creds1, password,
					     CRED_SPECIFIED);

		talloc_free(net_pipe);

		/* Just as a test, connect with the new creds */

		cli_credentials_set_netlogon_creds(s->wks_creds1, NULL);

		status = dcerpc_pipe_connect_b(s, &net_pipe, s->b,
					       &ndr_table_netlogon,
					       s->wks_creds1,
					       torture->ev, torture->lp_ctx);

		torture_assert_ntstatus_ok(torture, status,
					   "dcerpc_pipe_connect_b failed");

		talloc_free(net_pipe);
	}

	torture_comment(torture, "Start looping LogonSamLogonEx on %d connections for %d secs\n",
			s->nprocs, s->timelimit);
	for (i=0; i < s->nprocs; i++) {
		ret = torture_schannel_bench_start(&s->conns[i]);
		torture_assert(torture, ret, "Failed to setup LogonSamLogonEx");
	}

	start = timeval_current();
	end = timeval_add(&start, s->timelimit, 0);

	while (NT_STATUS_IS_OK(s->error) && !timeval_expired(&end)) {
		int ev_ret = tevent_loop_once(torture->ev);
		torture_assert(torture, ev_ret == 0, "tevent_loop_once failed");
	}
	torture_assert_ntstatus_ok(torture, s->error, "Failed some request");
	s->stopped = true;
	talloc_free(s->conns);

	for (i=0; i < s->nprocs; i++) {
		s->total += s->conns[i].total;
	}

	torture_comment(torture,
			"Total ops[%llu] (%u ops/s)\n",
			(unsigned long long)s->total,
			(unsigned)s->total/s->timelimit);

	torture_leave_domain(torture, s->join_ctx1);
	torture_leave_domain(torture, s->join_ctx2);
	return true;
}