source4/torture/rpc/remote_pac.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    test suite for netlogon PAC operations
   5
   6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "auth/auth.h"
  24 #include "auth/auth_sam_reply.h"
  25 #include "auth/gensec/gensec.h"
  26 #include "system/kerberos.h"
  27 #include "auth/kerberos/kerberos.h"
  28 #include "auth/credentials/credentials.h"
  29 #include "auth/credentials/credentials_krb5.h"
  30 #include "lib/cmdline/popt_common.h"
  31 #include "torture/rpc/torture_rpc.h"
  32 #include "libcli/auth/libcli_auth.h"
  33 #include "libcli/security/security.h"
  34 #include "librpc/gen_ndr/ndr_netlogon_c.h"
  35 #include "librpc/gen_ndr/ndr_krb5pac.h"
  36 #include "librpc/gen_ndr/ndr_samr_c.h"
  37 #include "param/param.h"
  38
  39 #define TEST_MACHINE_NAME_BDC "torturepacbdc"
  40 #define TEST_MACHINE_NAME_WKSTA "torturepacwksta"
  41 #define TEST_MACHINE_NAME_WKSTA_DES "torturepacwkdes"
  42 #define TEST_MACHINE_NAME_S2U4SELF_BDC "tests2u4selfbdc"
  43 #define TEST_MACHINE_NAME_S2U4SELF_WKSTA "tests2u4selfwk"
  44
  45 /* A helper function which avoids touching the local databases to
  46  * generate the session info, as we just want to verify the PAC
  47  * details, not the full local token */
  48 static NTSTATUS test_generate_session_info_pac(struct auth4_context *auth_ctx,
  49                                                TALLOC_CTX *mem_ctx_out,
  50                                                struct smb_krb5_context *smb_krb5_context,
  51                                                DATA_BLOB *pac_blob,
  52                                                const char *principal_name,
  53                                                const struct tsocket_address *remote_address,
  54                                                uint32_t session_info_flags,
  55                                                struct auth_session_info **session_info)
  56 {
  57         NTSTATUS nt_status;
  58         struct auth_user_info_dc *user_info_dc;
  59         struct PAC_SIGNATURE_DATA *pac_srv_sig = NULL;
  60         struct PAC_SIGNATURE_DATA *pac_kdc_sig = NULL;
  61         TALLOC_CTX *mem_ctx;
  62
  63         mem_ctx = talloc_named(mem_ctx_out, 0, "gensec_gssapi_session_info context");
  64         NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
  65
  66         pac_srv_sig = talloc(mem_ctx, struct PAC_SIGNATURE_DATA);
  67         if (!pac_srv_sig) {
  68                 talloc_free(mem_ctx);
  69                 return NT_STATUS_NO_MEMORY;
  70         }
  71         pac_kdc_sig = talloc(mem_ctx, struct PAC_SIGNATURE_DATA);
  72         if (!pac_kdc_sig) {
  73                 talloc_free(mem_ctx);
  74                 return NT_STATUS_NO_MEMORY;
  75         }
  76
  77         nt_status = kerberos_pac_blob_to_user_info_dc(mem_ctx,
  78                                                       *pac_blob,
  79                                                       smb_krb5_context->krb5_context,
  80                                                       &user_info_dc,
  81                                                       pac_srv_sig,
  82                                                       pac_kdc_sig);
  83         if (!NT_STATUS_IS_OK(nt_status)) {
  84                 talloc_free(mem_ctx);
  85                 return nt_status;
  86         }
  87
  88         session_info_flags |= AUTH_SESSION_INFO_SIMPLE_PRIVILEGES;
  89         nt_status = auth_generate_session_info(mem_ctx_out,
  90                                                NULL,
  91                                                NULL,
  92                                                user_info_dc, session_info_flags,
  93                                                session_info);
  94         if (!NT_STATUS_IS_OK(nt_status)) {
  95                 talloc_free(mem_ctx);
  96                 return nt_status;
  97         }
  98
  99         if ((*session_info)->torture) {
 100                 (*session_info)->torture->pac_srv_sig
 101                         = talloc_steal((*session_info)->torture, pac_srv_sig);
 102                 (*session_info)->torture->pac_kdc_sig
 103                         = talloc_steal((*session_info)->torture, pac_kdc_sig);
 104         }
 105
 106         talloc_free(mem_ctx);
 107         return nt_status;
 108 }
 109
 110 /* Check to see if we can pass the PAC across to the NETLOGON server for validation */
 111
 112 /* Also happens to be a really good one-step verfication of our Kerberos stack */
 113
 114 static bool test_PACVerify(struct torture_context *tctx,
 115                            struct dcerpc_pipe *p,
 116                            struct cli_credentials *credentials,
 117                            enum netr_SchannelType secure_channel_type,
 118                            const char *test_machine_name)
 119 {
 120         NTSTATUS status;
 121
 122         struct netr_LogonSamLogon r;
 123
 124         union netr_LogonLevel logon;
 125         union netr_Validation validation;
 126         uint8_t authoritative;
 127         struct netr_Authenticator return_authenticator;
 128
 129         struct netr_GenericInfo generic;
 130         struct netr_Authenticator auth, auth2;
 131
 132         struct netlogon_creds_CredentialState *creds;
 133         struct gensec_security *gensec_client_context;
 134         struct gensec_security *gensec_server_context;
 135
 136         DATA_BLOB client_to_server, server_to_client, pac_wrapped, payload;
 137         struct PAC_Validate pac_wrapped_struct;
 138
 139         enum ndr_err_code ndr_err;
 140
 141         struct auth4_context *auth_context;
 142         struct auth_session_info *session_info;
 143
 144         struct dcerpc_binding_handle *b = p->binding_handle;
 145         TALLOC_CTX *tmp_ctx = talloc_new(tctx);
 146         torture_assert(tctx, tmp_ctx != NULL, "talloc_new() failed");
 147
 148         if (!test_SetupCredentials2(p, tctx, NETLOGON_NEG_AUTH2_ADS_FLAGS,
 149                                     credentials, secure_channel_type,
 150                                     &creds)) {
 151                 return false;
 152         }
 153
 154         auth_context = talloc_zero(tmp_ctx, struct auth4_context);
 155         torture_assert(tctx, auth_context != NULL, "talloc_new() failed");
 156
 157         auth_context->generate_session_info_pac = test_generate_session_info_pac;
 158
 159         status = gensec_client_start(tctx, &gensec_client_context,
 160                                      lpcfg_gensec_settings(tctx, tctx->lp_ctx));
 161         torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
 162
 163         status = gensec_set_target_hostname(gensec_client_context, test_machine_name);
 164
 165         status = gensec_set_credentials(gensec_client_context, cmdline_credentials);
 166         torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (client) failed");
 167
 168         status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
 169         torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
 170
 171         status = gensec_server_start(tctx,
 172                                      lpcfg_gensec_settings(tctx, tctx->lp_ctx),
 173                                      auth_context, &gensec_server_context);
 174         torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
 175
 176         status = gensec_set_credentials(gensec_server_context, credentials);
 177         torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (server) failed");
 178
 179         status = gensec_start_mech_by_sasl_name(gensec_server_context, "GSSAPI");
 180         torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (server) failed");
 181
 182         server_to_client = data_blob(NULL, 0);
 183
 184         do {
 185                 /* Do a client-server update dance */
 186                 status = gensec_update(gensec_client_context, tmp_ctx, tctx->ev, server_to_client, &client_to_server);
 187                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 188                         torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
 189                 }
 190
 191                 status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, client_to_server, &server_to_client);
 192                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 193                         torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
 194                 }
 195
 196                 if (NT_STATUS_IS_OK(status)) {
 197                         break;
 198                 }
 199         } while (1);
 200
 201         /* Extract the PAC using Samba's code */
 202
 203         status = gensec_session_info(gensec_server_context, gensec_server_context, &session_info);
 204         torture_assert_ntstatus_ok(tctx, status, "gensec_session_info failed");
 205         torture_assert(tctx, session_info->torture != NULL, "gensec_session_info failed to fill in torture sub struct");
 206         torture_assert(tctx, session_info->torture->pac_srv_sig != NULL, "pac_srv_sig not present");
 207         torture_assert(tctx, session_info->torture->pac_kdc_sig != NULL, "pac_kdc_sig not present");
 208
 209         pac_wrapped_struct.ChecksumLength = session_info->torture->pac_srv_sig->signature.length;
 210         pac_wrapped_struct.SignatureType = session_info->torture->pac_kdc_sig->type;
 211         pac_wrapped_struct.SignatureLength = session_info->torture->pac_kdc_sig->signature.length;
 212         pac_wrapped_struct.ChecksumAndSignature = payload
 213                 = data_blob_talloc(tmp_ctx, NULL,
 214                                    pac_wrapped_struct.ChecksumLength
 215                                    + pac_wrapped_struct.SignatureLength);
 216         memcpy(&payload.data[0],
 217                session_info->torture->pac_srv_sig->signature.data,
 218                pac_wrapped_struct.ChecksumLength);
 219         memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
 220                session_info->torture->pac_kdc_sig->signature.data,
 221                pac_wrapped_struct.SignatureLength);
 222
 223         ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, &pac_wrapped_struct,
 224                                        (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
 225         torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
 226
 227         torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
 228         netlogon_creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
 229
 230         generic.length = pac_wrapped.length;
 231         generic.data = pac_wrapped.data;
 232
 233         /* Validate it over the netlogon pipe */
 234
 235         generic.identity_info.parameter_control = 0;
 236         generic.identity_info.logon_id_high = 0;
 237         generic.identity_info.logon_id_low = 0;
 238         generic.identity_info.domain_name.string = session_info->info->domain_name;
 239         generic.identity_info.account_name.string = session_info->info->account_name;
 240         generic.identity_info.workstation.string = test_machine_name;
 241
 242         generic.package_name.string = "Kerberos";
 243
 244         logon.generic = &generic;
 245
 246         ZERO_STRUCT(auth2);
 247         netlogon_creds_client_authenticator(creds, &auth);
 248         r.in.credential = &auth;
 249         r.in.return_authenticator = &auth2;
 250         r.in.logon = &logon;
 251         r.in.logon_level = NetlogonGenericInformation;
 252         r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 253         r.in.computer_name = cli_credentials_get_workstation(credentials);
 254         r.in.validation_level = NetlogonValidationGenericInfo2;
 255         r.out.validation = &validation;
 256         r.out.authoritative = &authoritative;
 257         r.out.return_authenticator = &return_authenticator;
 258
 259         torture_assert_ntstatus_ok(tctx, dcerpc_netr_LogonSamLogon_r(b, tctx, &r),
 260                 "LogonSamLogon failed");
 261
 262         torture_assert_ntstatus_ok(tctx, r.out.result, "LogonSamLogon failed");
 263
 264         /* This will break the signature nicely (even in the crypto wrapping), check we get a logon failure */
 265         generic.data[generic.length-1]++;
 266
 267         logon.generic = &generic;
 268
 269         ZERO_STRUCT(auth2);
 270         netlogon_creds_client_authenticator(creds, &auth);
 271         r.in.credential = &auth;
 272         r.in.return_authenticator = &auth2;
 273         r.in.logon_level = NetlogonGenericInformation;
 274         r.in.logon = &logon;
 275         r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 276         r.in.computer_name = cli_credentials_get_workstation(credentials);
 277         r.in.validation_level = NetlogonValidationGenericInfo2;
 278
 279         torture_assert_ntstatus_ok(tctx, dcerpc_netr_LogonSamLogon_r(b, tctx, &r),
 280                 "LogonSamLogon failed");
 281
 282         torture_assert_ntstatus_equal(tctx, r.out.result, NT_STATUS_LOGON_FAILURE, "LogonSamLogon failed");
 283
 284         torture_assert(tctx, netlogon_creds_client_check(creds, &r.out.return_authenticator->cred),
 285                        "Credential chaining failed");
 286
 287         /* This will break the parsing nicely (even in the crypto wrapping), check we get INVALID_PARAMETER */
 288         generic.length--;
 289
 290         logon.generic = &generic;
 291
 292         ZERO_STRUCT(auth2);
 293         netlogon_creds_client_authenticator(creds, &auth);
 294         r.in.credential = &auth;
 295         r.in.return_authenticator = &auth2;
 296         r.in.logon_level = NetlogonGenericInformation;
 297         r.in.logon = &logon;
 298         r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 299         r.in.computer_name = cli_credentials_get_workstation(credentials);
 300         r.in.validation_level = NetlogonValidationGenericInfo2;
 301
 302         torture_assert_ntstatus_ok(tctx, dcerpc_netr_LogonSamLogon_r(b, tctx, &r),
 303                 "LogonSamLogon failed");
 304
 305         torture_assert_ntstatus_equal(tctx, r.out.result, NT_STATUS_INVALID_PARAMETER, "LogonSamLogon failed");
 306
 307         torture_assert(tctx, netlogon_creds_client_check(creds,
 308                                                          &r.out.return_authenticator->cred),
 309                        "Credential chaining failed");
 310
 311         pac_wrapped_struct.ChecksumLength = session_info->torture->pac_srv_sig->signature.length;
 312         pac_wrapped_struct.SignatureType = session_info->torture->pac_kdc_sig->type;
 313
 314         /* Break the SignatureType */
 315         pac_wrapped_struct.SignatureType++;
 316
 317         pac_wrapped_struct.SignatureLength = session_info->torture->pac_kdc_sig->signature.length;
 318         pac_wrapped_struct.ChecksumAndSignature = payload
 319                 = data_blob_talloc(tmp_ctx, NULL,
 320                                    pac_wrapped_struct.ChecksumLength
 321                                    + pac_wrapped_struct.SignatureLength);
 322         memcpy(&payload.data[0],
 323                session_info->torture->pac_srv_sig->signature.data,
 324                pac_wrapped_struct.ChecksumLength);
 325         memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
 326                session_info->torture->pac_kdc_sig->signature.data,
 327                pac_wrapped_struct.SignatureLength);
 328
 329         ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, &pac_wrapped_struct,
 330                                        (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
 331         torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
 332
 333         torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
 334         netlogon_creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
 335
 336         generic.length = pac_wrapped.length;
 337         generic.data = pac_wrapped.data;
 338
 339         logon.generic = &generic;
 340
 341         ZERO_STRUCT(auth2);
 342         netlogon_creds_client_authenticator(creds, &auth);
 343         r.in.credential = &auth;
 344         r.in.return_authenticator = &auth2;
 345         r.in.logon_level = NetlogonGenericInformation;
 346         r.in.logon = &logon;
 347         r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 348         r.in.computer_name = cli_credentials_get_workstation(credentials);
 349         r.in.validation_level = NetlogonValidationGenericInfo2;
 350
 351         torture_assert_ntstatus_ok(tctx, dcerpc_netr_LogonSamLogon_r(b, tctx, &r),
 352                 "LogonSamLogon failed");
 353
 354         torture_assert_ntstatus_equal(tctx, r.out.result, NT_STATUS_LOGON_FAILURE, "LogonSamLogon failed");
 355
 356         torture_assert(tctx, netlogon_creds_client_check(creds, &r.out.return_authenticator->cred),
 357                        "Credential chaining failed");
 358
 359         pac_wrapped_struct.ChecksumLength = session_info->torture->pac_srv_sig->signature.length;
 360         pac_wrapped_struct.SignatureType = session_info->torture->pac_kdc_sig->type;
 361         pac_wrapped_struct.SignatureLength = session_info->torture->pac_kdc_sig->signature.length;
 362
 363         pac_wrapped_struct.ChecksumAndSignature = payload
 364                 = data_blob_talloc(tmp_ctx, NULL,
 365                                    pac_wrapped_struct.ChecksumLength
 366                                    + pac_wrapped_struct.SignatureLength);
 367         memcpy(&payload.data[0],
 368                session_info->torture->pac_srv_sig->signature.data,
 369                pac_wrapped_struct.ChecksumLength);
 370         memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
 371                session_info->torture->pac_kdc_sig->signature.data,
 372                pac_wrapped_struct.SignatureLength);
 373
 374         /* Break the signature length */
 375         pac_wrapped_struct.SignatureLength++;
 376
 377         ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, &pac_wrapped_struct,
 378                                        (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
 379         torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
 380
 381         torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
 382         netlogon_creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
 383
 384         generic.length = pac_wrapped.length;
 385         generic.data = pac_wrapped.data;
 386
 387         logon.generic = &generic;
 388
 389         ZERO_STRUCT(auth2);
 390         netlogon_creds_client_authenticator(creds, &auth);
 391         r.in.credential = &auth;
 392         r.in.return_authenticator = &auth2;
 393         r.in.logon_level = NetlogonGenericInformation;
 394         r.in.logon = &logon;
 395         r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 396         r.in.computer_name = cli_credentials_get_workstation(credentials);
 397         r.in.validation_level = NetlogonValidationGenericInfo2;
 398
 399         torture_assert_ntstatus_ok(tctx, dcerpc_netr_LogonSamLogon_r(b, tctx, &r),
 400                 "LogonSamLogon failed");
 401
 402         torture_assert_ntstatus_equal(tctx, r.out.result, NT_STATUS_INVALID_PARAMETER, "LogonSamLogon failed");
 403
 404         torture_assert(tctx, netlogon_creds_client_check(creds, &r.out.return_authenticator->cred),
 405                        "Credential chaining failed");
 406
 407         return true;
 408 }
 409
 410 static bool test_PACVerify_bdc(struct torture_context *tctx,
 411                                struct dcerpc_pipe *p,
 412                                struct cli_credentials *credentials)
 413 {
 414         return test_PACVerify(tctx, p, credentials, SEC_CHAN_BDC, TEST_MACHINE_NAME_BDC);
 415 }
 416
 417 static bool test_PACVerify_workstation(struct torture_context *tctx,
 418                                   struct dcerpc_pipe *p,
 419                                   struct cli_credentials *credentials)
 420 {
 421         return test_PACVerify(tctx, p, credentials, SEC_CHAN_WKSTA, TEST_MACHINE_NAME_WKSTA);
 422 }
 423
 424 static bool test_PACVerify_workstation_des(struct torture_context *tctx,
 425                                            struct dcerpc_pipe *p, struct cli_credentials *credentials, struct test_join *join_ctx)
 426 {
 427         struct samr_SetUserInfo r;
 428         union samr_UserInfo user_info;
 429         struct dcerpc_pipe *samr_pipe = torture_join_samr_pipe(join_ctx);
 430         struct smb_krb5_context *smb_krb5_context;
 431         krb5_error_code ret;
 432
 433         ret = cli_credentials_get_krb5_context(cmdline_credentials, tctx->lp_ctx, &smb_krb5_context);
 434         torture_assert_int_equal(tctx, ret, 0, "cli_credentials_get_krb5_context() failed");
 435
 436         if (krb5_config_get_bool_default(smb_krb5_context->krb5_context, NULL, FALSE,
 437                                          "libdefaults",
 438                                          "allow_weak_crypto", NULL) == FALSE) {
 439                 torture_skip(tctx, "Cannot test DES without [libdefaults] allow_weak_crypto = yes");
 440         }
 441
 442         /* Mark this workstation with DES-only */
 443         user_info.info16.acct_flags = ACB_USE_DES_KEY_ONLY | ACB_WSTRUST;
 444         r.in.user_handle = torture_join_samr_user_policy(join_ctx);
 445         r.in.level = 16;
 446         r.in.info = &user_info;
 447
 448         torture_assert_ntstatus_ok(tctx, dcerpc_samr_SetUserInfo_r(samr_pipe->binding_handle, tctx, &r),
 449                 "failed to set DES info account flags");
 450         torture_assert_ntstatus_ok(tctx, r.out.result,
 451                 "failed to set DES into account flags");
 452
 453         return test_PACVerify(tctx, p, credentials, SEC_CHAN_WKSTA, TEST_MACHINE_NAME_WKSTA_DES);
 454 }
 455
 456
 457 /* Check various ways to get the PAC, in particular check the group membership and other details between the PAC from a normal kinit, S2U4Self and a SamLogon */
 458 static bool test_S2U4Self(struct torture_context *tctx,
 459                           struct dcerpc_pipe *p,
 460                           struct cli_credentials *credentials,
 461                           enum netr_SchannelType secure_channel_type,
 462                           const char *test_machine_name)
 463 {
 464         NTSTATUS status;
 465         struct dcerpc_binding_handle *b = p->binding_handle;
 466
 467         struct netr_LogonSamLogon r;
 468
 469         union netr_LogonLevel logon;
 470         union netr_Validation validation;
 471         uint8_t authoritative;
 472
 473         struct netr_Authenticator auth, auth2;
 474
 475         DATA_BLOB client_to_server, server_to_client;
 476
 477         struct netlogon_creds_CredentialState *creds;
 478         struct gensec_security *gensec_client_context;
 479         struct gensec_security *gensec_server_context;
 480
 481         struct auth4_context *auth_context;
 482         struct auth_session_info *kinit_session_info;
 483         struct auth_session_info *s2u4self_session_info;
 484         struct auth_user_info_dc *netlogon_user_info_dc;
 485
 486         struct netr_NetworkInfo ninfo;
 487         DATA_BLOB names_blob, chal, lm_resp, nt_resp;
 488         size_t i;
 489         int flags = CLI_CRED_NTLMv2_AUTH;
 490
 491         struct dom_sid *builtin_domain;
 492
 493         TALLOC_CTX *tmp_ctx = talloc_new(tctx);
 494
 495         torture_assert(tctx, tmp_ctx != NULL, "talloc_new() failed");
 496
 497         auth_context = talloc_zero(tmp_ctx, struct auth4_context);
 498         torture_assert(tctx, auth_context != NULL, "talloc_new() failed");
 499
 500         auth_context->generate_session_info_pac = test_generate_session_info_pac;
 501
 502         /* First, do a normal Kerberos connection */
 503
 504         status = gensec_client_start(tctx, &gensec_client_context,
 505                                      lpcfg_gensec_settings(tctx, tctx->lp_ctx));
 506         torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
 507
 508         status = gensec_set_target_hostname(gensec_client_context, test_machine_name);
 509
 510         status = gensec_set_credentials(gensec_client_context, cmdline_credentials);
 511         torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (client) failed");
 512
 513         status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
 514         torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
 515
 516         status = gensec_server_start(tctx,
 517                                      lpcfg_gensec_settings(tctx, tctx->lp_ctx),
 518                                      auth_context, &gensec_server_context);
 519         torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
 520
 521         status = gensec_set_credentials(gensec_server_context, credentials);
 522         torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (server) failed");
 523
 524         status = gensec_start_mech_by_sasl_name(gensec_server_context, "GSSAPI");
 525         torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (server) failed");
 526
 527         server_to_client = data_blob(NULL, 0);
 528
 529         do {
 530                 /* Do a client-server update dance */
 531                 status = gensec_update(gensec_client_context, tmp_ctx, tctx->ev, server_to_client, &client_to_server);
 532                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 533                         torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
 534                 }
 535
 536                 status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, client_to_server, &server_to_client);
 537                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 538                         torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
 539                 }
 540
 541                 if (NT_STATUS_IS_OK(status)) {
 542                         break;
 543                 }
 544         } while (1);
 545
 546         /* Extract the PAC using Samba's code */
 547
 548         status = gensec_session_info(gensec_server_context, gensec_server_context, &kinit_session_info);
 549         torture_assert_ntstatus_ok(tctx, status, "gensec_session_info failed");
 550
 551
 552         /* Now do the dance with S2U4Self */
 553
 554         /* Wipe out any existing ccache */
 555         cli_credentials_invalidate_ccache(credentials, CRED_SPECIFIED);
 556         cli_credentials_set_impersonate_principal(credentials,
 557                         cli_credentials_get_principal(cmdline_credentials, tmp_ctx),
 558                         talloc_asprintf(tmp_ctx, "host/%s", test_machine_name));
 559
 560         status = gensec_client_start(tctx, &gensec_client_context,
 561                                      lpcfg_gensec_settings(tctx, tctx->lp_ctx));
 562         torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
 563
 564         status = gensec_set_target_hostname(gensec_client_context, test_machine_name);
 565
 566         /* We now set the same credentials on both client and server contexts */
 567         status = gensec_set_credentials(gensec_client_context, credentials);
 568         torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (client) failed");
 569
 570         status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
 571         torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
 572
 573         status = gensec_server_start(tctx,
 574                                      lpcfg_gensec_settings(tctx, tctx->lp_ctx),
 575                                      auth_context, &gensec_server_context);
 576         torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
 577
 578         status = gensec_set_credentials(gensec_server_context, credentials);
 579         torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (server) failed");
 580
 581         status = gensec_start_mech_by_sasl_name(gensec_server_context, "GSSAPI");
 582         torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (server) failed");
 583
 584         server_to_client = data_blob(NULL, 0);
 585
 586         do {
 587                 /* Do a client-server update dance */
 588                 status = gensec_update(gensec_client_context, tmp_ctx, tctx->ev, server_to_client, &client_to_server);
 589                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 590                         torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
 591                 }
 592
 593                 status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, client_to_server, &server_to_client);
 594                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 595                         torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
 596                 }
 597
 598                 if (NT_STATUS_IS_OK(status)) {
 599                         break;
 600                 }
 601         } while (1);
 602
 603         /* Don't pollute the remaining tests with the changed credentials */
 604         cli_credentials_invalidate_ccache(credentials, CRED_SPECIFIED);
 605         cli_credentials_set_target_service(credentials, NULL);
 606         cli_credentials_set_impersonate_principal(credentials, NULL, NULL);
 607
 608         /* Extract the PAC using Samba's code */
 609
 610         status = gensec_session_info(gensec_server_context, gensec_server_context, &s2u4self_session_info);
 611         torture_assert_ntstatus_ok(tctx, status, "gensec_session_info failed");
 612
 613         cli_credentials_get_ntlm_username_domain(cmdline_credentials, tctx,
 614                                                  &ninfo.identity_info.account_name.string,
 615                                                  &ninfo.identity_info.domain_name.string);
 616
 617         /* Now try with SamLogon */
 618         generate_random_buffer(ninfo.challenge,
 619                                sizeof(ninfo.challenge));
 620         chal = data_blob_const(ninfo.challenge,
 621                                sizeof(ninfo.challenge));
 622
 623         names_blob = NTLMv2_generate_names_blob(tctx, cli_credentials_get_workstation(credentials),
 624                                                 cli_credentials_get_domain(credentials));
 625
 626         status = cli_credentials_get_ntlm_response(cmdline_credentials, tctx,
 627                                                    &flags,
 628                                                    chal,
 629                                                    names_blob,
 630                                                    &lm_resp, &nt_resp,
 631                                                    NULL, NULL);
 632         torture_assert_ntstatus_ok(tctx, status, "cli_credentials_get_ntlm_response failed");
 633
 634         ninfo.lm.data = lm_resp.data;
 635         ninfo.lm.length = lm_resp.length;
 636
 637         ninfo.nt.data = nt_resp.data;
 638         ninfo.nt.length = nt_resp.length;
 639
 640         ninfo.identity_info.parameter_control = 0;
 641         ninfo.identity_info.logon_id_low = 0;
 642         ninfo.identity_info.logon_id_high = 0;
 643         ninfo.identity_info.workstation.string = cli_credentials_get_workstation(credentials);
 644
 645         logon.network = &ninfo;
 646
 647         r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 648         r.in.computer_name = cli_credentials_get_workstation(credentials);
 649         r.in.credential = &auth;
 650         r.in.return_authenticator = &auth2;
 651         r.in.logon_level = 2;
 652         r.in.logon = &logon;
 653         r.out.validation = &validation;
 654         r.out.authoritative = &authoritative;
 655
 656         if (!test_SetupCredentials2(p, tctx, NETLOGON_NEG_AUTH2_ADS_FLAGS,
 657                                     credentials, secure_channel_type,
 658                                     &creds)) {
 659                 return false;
 660         }
 661
 662         ZERO_STRUCT(auth2);
 663         netlogon_creds_client_authenticator(creds, &auth);
 664
 665         r.in.validation_level = 3;
 666
 667         status = dcerpc_netr_LogonSamLogon_r(b, tctx, &r);
 668         torture_assert_ntstatus_ok(tctx, status, "LogonSamLogon failed");
 669
 670         torture_assert(tctx, netlogon_creds_client_check(creds,
 671                                                          &r.out.return_authenticator->cred),
 672                        "Credential chaining failed");
 673
 674         status = make_user_info_dc_netlogon_validation(tmp_ctx,
 675                                                       ninfo.identity_info.account_name.string,
 676                                                       r.in.validation_level,
 677                                                       r.out.validation,
 678                                                           true, /* This user was authenticated */
 679                                                       &netlogon_user_info_dc);
 680
 681         torture_assert_ntstatus_ok(tctx, status, "make_user_info_dc_netlogon_validation failed");
 682
 683         torture_assert_str_equal(tctx, netlogon_user_info_dc->info->account_name == NULL ? "" : netlogon_user_info_dc->info->account_name,
 684                                  kinit_session_info->info->account_name, "Account name differs for kinit-based PAC");
 685         torture_assert_str_equal(tctx,netlogon_user_info_dc->info->account_name == NULL ? "" : netlogon_user_info_dc->info->account_name,
 686                                  s2u4self_session_info->info->account_name, "Account name differs for S2U4Self");
 687         torture_assert_str_equal(tctx, netlogon_user_info_dc->info->full_name == NULL ? "" : netlogon_user_info_dc->info->full_name, kinit_session_info->info->full_name, "Full name differs for kinit-based PAC");
 688         torture_assert_str_equal(tctx, netlogon_user_info_dc->info->full_name == NULL ? "" : netlogon_user_info_dc->info->full_name, s2u4self_session_info->info->full_name, "Full name differs for S2U4Self");
 689         torture_assert_int_equal(tctx, netlogon_user_info_dc->num_sids, kinit_session_info->torture->num_dc_sids, "Different numbers of domain groups for kinit-based PAC");
 690         torture_assert_int_equal(tctx, netlogon_user_info_dc->num_sids, s2u4self_session_info->torture->num_dc_sids, "Different numbers of domain groups for S2U4Self");
 691
 692         builtin_domain = dom_sid_parse_talloc(tmp_ctx, SID_BUILTIN);
 693
 694         for (i = 0; i < kinit_session_info->torture->num_dc_sids; i++) {
 695                 torture_assert(tctx, dom_sid_equal(&netlogon_user_info_dc->sids[i], &kinit_session_info->torture->dc_sids[i]), "Different domain groups for kinit-based PAC");
 696                 torture_assert(tctx, dom_sid_equal(&netlogon_user_info_dc->sids[i], &s2u4self_session_info->torture->dc_sids[i]), "Different domain groups for S2U4Self");
 697                 torture_assert(tctx, !dom_sid_in_domain(builtin_domain, &s2u4self_session_info->torture->dc_sids[i]), "Returned BUILTIN domain in groups for S2U4Self");
 698                 torture_assert(tctx, !dom_sid_in_domain(builtin_domain, &kinit_session_info->torture->dc_sids[i]), "Returned BUILTIN domain in groups kinit-based PAC");
 699                 torture_assert(tctx, !dom_sid_in_domain(builtin_domain, &netlogon_user_info_dc->sids[i]), "Returned BUILTIN domian in groups from NETLOGON SamLogon reply");
 700         }
 701
 702         return true;
 703 }
 704
 705 static bool test_S2U4Self_bdc(struct torture_context *tctx,
 706                                struct dcerpc_pipe *p,
 707                                struct cli_credentials *credentials)
 708 {
 709         return test_S2U4Self(tctx, p, credentials, SEC_CHAN_BDC, TEST_MACHINE_NAME_S2U4SELF_BDC);
 710 }
 711
 712 static bool test_S2U4Self_workstation(struct torture_context *tctx,
 713                                   struct dcerpc_pipe *p,
 714                                   struct cli_credentials *credentials)
 715 {
 716         return test_S2U4Self(tctx, p, credentials, SEC_CHAN_WKSTA, TEST_MACHINE_NAME_S2U4SELF_WKSTA);
 717 }
 718
 719 struct torture_suite *torture_rpc_remote_pac(TALLOC_CTX *mem_ctx)
 720 {
 721         struct torture_suite *suite = torture_suite_create(mem_ctx, "pac");
 722         struct torture_rpc_tcase *tcase;
 723
 724         /* It is important to use different names, so that old entries in our credential cache are not used */
 725         tcase = torture_suite_add_machine_bdc_rpc_iface_tcase(suite, "netlogon-bdc",
 726                                                               &ndr_table_netlogon, TEST_MACHINE_NAME_BDC);
 727         torture_rpc_tcase_add_test_creds(tcase, "verify-sig", test_PACVerify_bdc);
 728
 729         tcase = torture_suite_add_machine_workstation_rpc_iface_tcase(suite, "netlogon-member",
 730                                                                       &ndr_table_netlogon, TEST_MACHINE_NAME_WKSTA);
 731         torture_rpc_tcase_add_test_creds(tcase, "verify-sig", test_PACVerify_workstation);
 732
 733         tcase = torture_suite_add_machine_workstation_rpc_iface_tcase(suite, "netlogon-member-des",
 734                                                                       &ndr_table_netlogon, TEST_MACHINE_NAME_WKSTA_DES);
 735         torture_rpc_tcase_add_test_join(tcase, "verify-sig", test_PACVerify_workstation_des);
 736
 737         tcase = torture_suite_add_machine_bdc_rpc_iface_tcase(suite, "netlogon-bdc",
 738                                                               &ndr_table_netlogon, TEST_MACHINE_NAME_S2U4SELF_BDC);
 739         torture_rpc_tcase_add_test_creds(tcase, "s2u4self", test_S2U4Self_bdc);
 740
 741         tcase = torture_suite_add_machine_workstation_rpc_iface_tcase(suite, "netlogon-member",
 742                                                                       &ndr_table_netlogon, TEST_MACHINE_NAME_S2U4SELF_WKSTA);
 743
 744         torture_rpc_tcase_add_test_creds(tcase, "s2u4self", test_S2U4Self_workstation);
 745         return suite;
 746 }