source3/rpc_client/cli_netlogon.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    NT Domain Authentication SMB / MSRPC client
   4    Copyright (C) Andrew Tridgell 1992-2000
   5    Copyright (C) Jeremy Allison                    1998.
   6    Largely re-written by Jeremy Allison (C)        2005.
   7    Copyright (C) Guenther Deschner                 2008.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "system/filesys.h"
  25 #include "libsmb/libsmb.h"
  26 #include "rpc_client/rpc_client.h"
  27 #include "rpc_client/cli_pipe.h"
  28 #include "../libcli/auth/libcli_auth.h"
  29 #include "../libcli/auth/netlogon_creds_cli.h"
  30 #include "../librpc/gen_ndr/ndr_netlogon_c.h"
  31 #include "../librpc/gen_ndr/schannel.h"
  32 #include "rpc_client/cli_netlogon.h"
  33 #include "rpc_client/init_netlogon.h"
  34 #include "rpc_client/util_netlogon.h"
  35 #include "../libcli/security/security.h"
  36 #include "lib/param/param.h"
  37 #include "libcli/smb/smbXcli_base.h"
  38 #include "dbwrap/dbwrap.h"
  39 #include "dbwrap/dbwrap_open.h"
  40 #include "util_tdb.h"
  41
  42
  43 NTSTATUS rpccli_pre_open_netlogon_creds(void)
  44 {
  45         static bool already_open = false;
  46         TALLOC_CTX *frame;
  47         struct loadparm_context *lp_ctx;
  48         char *fname;
  49         struct db_context *global_db;
  50         NTSTATUS status;
  51
  52         if (already_open) {
  53                 return NT_STATUS_OK;
  54         }
  55
  56         frame = talloc_stackframe();
  57
  58         lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
  59         if (lp_ctx == NULL) {
  60                 TALLOC_FREE(frame);
  61                 return NT_STATUS_NO_MEMORY;
  62         }
  63
  64         fname = lpcfg_private_db_path(frame, lp_ctx, "netlogon_creds_cli");
  65         if (fname == NULL) {
  66                 TALLOC_FREE(frame);
  67                 return NT_STATUS_NO_MEMORY;
  68         }
  69
  70         global_db = db_open(frame, fname,
  71                             0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH,
  72                             O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
  73                             DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS);
  74         if (global_db == NULL) {
  75                 TALLOC_FREE(frame);
  76                 return NT_STATUS_NO_MEMORY;
  77         }
  78
  79         status = netlogon_creds_cli_set_global_db(&global_db);
  80         TALLOC_FREE(frame);
  81         if (!NT_STATUS_IS_OK(status)) {
  82                 return status;
  83         }
  84
  85         already_open = true;
  86         return NT_STATUS_OK;
  87 }
  88
  89 static NTSTATUS rpccli_create_netlogon_creds(
  90         const char *server_computer,
  91         const char *server_netbios_domain,
  92         const char *server_dns_domain,
  93         const char *client_account,
  94         enum netr_SchannelType sec_chan_type,
  95         struct messaging_context *msg_ctx,
  96         TALLOC_CTX *mem_ctx,
  97         struct netlogon_creds_cli_context **netlogon_creds)
  98 {
  99         TALLOC_CTX *frame = talloc_stackframe();
 100         struct loadparm_context *lp_ctx;
 101         NTSTATUS status;
 102
 103         status = rpccli_pre_open_netlogon_creds();
 104         if (!NT_STATUS_IS_OK(status)) {
 105                 TALLOC_FREE(frame);
 106                 return status;
 107         }
 108
 109         lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
 110         if (lp_ctx == NULL) {
 111                 TALLOC_FREE(frame);
 112                 return NT_STATUS_NO_MEMORY;
 113         }
 114         status = netlogon_creds_cli_context_global(lp_ctx,
 115                                                    msg_ctx,
 116                                                    client_account,
 117                                                    sec_chan_type,
 118                                                    server_computer,
 119                                                    server_netbios_domain,
 120                                                    server_dns_domain,
 121                                                    mem_ctx, netlogon_creds);
 122         TALLOC_FREE(frame);
 123         if (!NT_STATUS_IS_OK(status)) {
 124                 return status;
 125         }
 126
 127         return NT_STATUS_OK;
 128 }
 129
 130 NTSTATUS rpccli_create_netlogon_creds_ctx(
 131         struct cli_credentials *creds,
 132         const char *server_computer,
 133         struct messaging_context *msg_ctx,
 134         TALLOC_CTX *mem_ctx,
 135         struct netlogon_creds_cli_context **creds_ctx)
 136 {
 137         enum netr_SchannelType sec_chan_type;
 138         const char *server_netbios_domain;
 139         const char *server_dns_domain;
 140         const char *client_account;
 141
 142         sec_chan_type = cli_credentials_get_secure_channel_type(creds);
 143         client_account = cli_credentials_get_username(creds);
 144         server_netbios_domain = cli_credentials_get_domain(creds);
 145         server_dns_domain = cli_credentials_get_realm(creds);
 146
 147         return rpccli_create_netlogon_creds(server_computer,
 148                                             server_netbios_domain,
 149                                             server_dns_domain,
 150                                             client_account,
 151                                             sec_chan_type,
 152                                             msg_ctx, mem_ctx,
 153                                             creds_ctx);
 154 }
 155
 156 NTSTATUS rpccli_setup_netlogon_creds_locked(
 157         struct cli_state *cli,
 158         enum dcerpc_transport_t transport,
 159         struct netlogon_creds_cli_context *creds_ctx,
 160         bool force_reauth,
 161         struct cli_credentials *cli_creds,
 162         uint32_t *negotiate_flags)
 163 {
 164         TALLOC_CTX *frame = talloc_stackframe();
 165         struct rpc_pipe_client *netlogon_pipe = NULL;
 166         struct netlogon_creds_CredentialState *creds = NULL;
 167         uint8_t num_nt_hashes = 0;
 168         const struct samr_Password *nt_hashes[2] = { NULL, NULL };
 169         uint8_t idx_nt_hashes = 0;
 170         NTSTATUS status;
 171
 172         status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 173         if (NT_STATUS_IS_OK(status)) {
 174                 const char *action = "using";
 175
 176                 if (force_reauth) {
 177                         action = "overwrite";
 178                 }
 179
 180                 DEBUG(5,("%s: %s cached netlogon_creds cli[%s/%s] to %s\n",
 181                          __FUNCTION__, action,
 182                          creds->account_name, creds->computer_name,
 183                          smbXcli_conn_remote_name(cli->conn)));
 184                 if (!force_reauth) {
 185                         goto done;
 186                 }
 187                 TALLOC_FREE(creds);
 188         }
 189
 190         nt_hashes[0] = cli_credentials_get_nt_hash(cli_creds, talloc_tos());
 191         if (nt_hashes[0] == NULL) {
 192                 TALLOC_FREE(frame);
 193                 return NT_STATUS_NO_MEMORY;
 194         }
 195         num_nt_hashes = 1;
 196
 197         nt_hashes[1] = cli_credentials_get_old_nt_hash(cli_creds,
 198                                                        talloc_tos());
 199         if (nt_hashes[1] != NULL) {
 200                 num_nt_hashes = 2;
 201         }
 202
 203         status = cli_rpc_pipe_open_noauth_transport(cli,
 204                                                     transport,
 205                                                     &ndr_table_netlogon,
 206                                                     &netlogon_pipe);
 207         if (!NT_STATUS_IS_OK(status)) {
 208                 DEBUG(5,("%s: failed to open noauth netlogon connection to %s - %s\n",
 209                          __FUNCTION__,
 210                          smbXcli_conn_remote_name(cli->conn),
 211                          nt_errstr(status)));
 212                 TALLOC_FREE(frame);
 213                 return status;
 214         }
 215         talloc_steal(frame, netlogon_pipe);
 216
 217         status = netlogon_creds_cli_auth(creds_ctx,
 218                                          netlogon_pipe->binding_handle,
 219                                          num_nt_hashes,
 220                                          nt_hashes,
 221                                          &idx_nt_hashes);
 222         if (!NT_STATUS_IS_OK(status)) {
 223                 TALLOC_FREE(frame);
 224                 return status;
 225         }
 226
 227         status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 228         if (!NT_STATUS_IS_OK(status)) {
 229                 TALLOC_FREE(frame);
 230                 return NT_STATUS_INTERNAL_ERROR;
 231         }
 232
 233         DEBUG(5,("%s: using new netlogon_creds cli[%s/%s] to %s\n",
 234                  __FUNCTION__,
 235                  creds->account_name, creds->computer_name,
 236                  smbXcli_conn_remote_name(cli->conn)));
 237
 238 done:
 239         if (negotiate_flags != NULL) {
 240                 *negotiate_flags = creds->negotiate_flags;
 241         }
 242
 243         TALLOC_FREE(frame);
 244         return NT_STATUS_OK;
 245 }
 246
 247 NTSTATUS rpccli_setup_netlogon_creds(
 248         struct cli_state *cli,
 249         enum dcerpc_transport_t transport,
 250         struct netlogon_creds_cli_context *creds_ctx,
 251         bool force_reauth,
 252         struct cli_credentials *cli_creds)
 253 {
 254         TALLOC_CTX *frame = talloc_stackframe();
 255         struct netlogon_creds_cli_lck *lck;
 256         NTSTATUS status;
 257
 258         status = netlogon_creds_cli_lck(
 259                 creds_ctx, NETLOGON_CREDS_CLI_LCK_EXCLUSIVE,
 260                 frame, &lck);
 261         if (!NT_STATUS_IS_OK(status)) {
 262                 DBG_WARNING("netlogon_creds_cli_lck failed: %s\n",
 263                             nt_errstr(status));
 264                 TALLOC_FREE(frame);
 265                 return status;
 266         }
 267
 268         status = rpccli_setup_netlogon_creds_locked(
 269                 cli, transport, creds_ctx, force_reauth, cli_creds, NULL);
 270
 271         TALLOC_FREE(frame);
 272
 273         return status;
 274 }
 275
 276 NTSTATUS rpccli_connect_netlogon(
 277         struct cli_state *cli,
 278         enum dcerpc_transport_t transport,
 279         struct netlogon_creds_cli_context *creds_ctx,
 280         bool force_reauth,
 281         struct cli_credentials *trust_creds,
 282         struct rpc_pipe_client **_rpccli)
 283 {
 284         TALLOC_CTX *frame = talloc_stackframe();
 285         struct netlogon_creds_CredentialState *creds = NULL;
 286         enum netlogon_creds_cli_lck_type lck_type;
 287         enum netr_SchannelType sec_chan_type;
 288         struct netlogon_creds_cli_lck *lck;
 289         uint32_t negotiate_flags;
 290         uint8_t found_session_key[16] = {0};
 291         bool found_existing_creds = false;
 292         bool do_serverauth;
 293         struct rpc_pipe_client *rpccli;
 294         NTSTATUS status;
 295
 296 again:
 297
 298         /*
 299          * See whether we can use existing netlogon_creds or
 300          * whether we have to serverauthenticate.
 301          */
 302         status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 303
 304         if (NT_STATUS_IS_OK(status)) {
 305                 int cmp = memcmp(found_session_key,
 306                                  creds->session_key,
 307                                  sizeof(found_session_key));
 308                 found_existing_creds = (cmp != 0);
 309
 310                 memcpy(found_session_key,
 311                        creds->session_key,
 312                        sizeof(found_session_key));
 313
 314                 TALLOC_FREE(creds);
 315         }
 316
 317         lck_type = (force_reauth || !found_existing_creds) ?
 318                 NETLOGON_CREDS_CLI_LCK_EXCLUSIVE :
 319                 NETLOGON_CREDS_CLI_LCK_SHARED;
 320
 321         status = netlogon_creds_cli_lck(creds_ctx, lck_type, frame, &lck);
 322         if (!NT_STATUS_IS_OK(status)) {
 323                 DBG_DEBUG("netlogon_creds_cli_lck failed: %s\n",
 324                           nt_errstr(status));
 325                 goto fail;
 326         }
 327
 328         if (!found_existing_creds) {
 329                 /*
 330                  * Try to find creds under the lock again. Someone
 331                  * else might have done it for us.
 332                  */
 333                 status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 334
 335                 if (NT_STATUS_IS_OK(status)) {
 336                         int cmp = memcmp(found_session_key,
 337                                          creds->session_key,
 338                                          sizeof(found_session_key));
 339                         found_existing_creds = (cmp != 0);
 340
 341                         memcpy(found_session_key, creds->session_key,
 342                                sizeof(found_session_key));
 343
 344                         TALLOC_FREE(creds);
 345                 }
 346         }
 347
 348         do_serverauth = force_reauth || !found_existing_creds;
 349
 350         if (!do_serverauth) {
 351                 /*
 352                  * Do the quick schannel bind without a reauth
 353                  */
 354                 status = cli_rpc_pipe_open_bind_schannel(
 355                         cli, &ndr_table_netlogon, transport, creds_ctx,
 356                         &rpccli);
 357                 if (NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_ACCESS_DENIED)) {
 358                         DBG_DEBUG("Retrying with serverauthenticate\n");
 359                         TALLOC_FREE(lck);
 360                         goto again;
 361                 }
 362                 if (!NT_STATUS_IS_OK(status)) {
 363                         DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
 364                                   "failed: %s\n", nt_errstr(status));
 365                         goto fail;
 366                 }
 367                 goto done;
 368         }
 369
 370         if (cli_credentials_is_anonymous(trust_creds)) {
 371                 DBG_WARNING("get_trust_credential for %s only gave anonymous,"
 372                             "unable to negotiate NETLOGON credentials\n",
 373                             netlogon_creds_cli_debug_string(
 374                                     creds_ctx, frame));
 375                 status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 376                 goto fail;
 377         }
 378
 379         sec_chan_type = cli_credentials_get_secure_channel_type(trust_creds);
 380         if (sec_chan_type == SEC_CHAN_NULL) {
 381                 if (transport == NCACN_IP_TCP) {
 382                         DBG_NOTICE("secure_channel_type gave SEC_CHAN_NULL "
 383                                    "for %s, deny NCACN_IP_TCP and let the "
 384                                    "caller fallback to NCACN_NP.\n",
 385                                    netlogon_creds_cli_debug_string(
 386                                            creds_ctx, frame));
 387                         status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 388                         goto fail;
 389                 }
 390
 391                 DBG_NOTICE("get_secure_channel_type gave SEC_CHAN_NULL "
 392                            "for %s, fallback to noauth on NCACN_NP.\n",
 393                            netlogon_creds_cli_debug_string(
 394                                    creds_ctx, frame));
 395
 396                 TALLOC_FREE(lck);
 397
 398                 status = cli_rpc_pipe_open_noauth_transport(
 399                         cli, transport, &ndr_table_netlogon, &rpccli);
 400                 if (!NT_STATUS_IS_OK(status)) {
 401                         DBG_DEBUG("cli_rpc_pipe_open_noauth_transport "
 402                                   "failed: %s\n", nt_errstr(status));
 403                         goto fail;
 404                 }
 405                 goto done;
 406         }
 407
 408         status = rpccli_setup_netlogon_creds_locked(
 409                 cli, transport, creds_ctx, true, trust_creds,
 410                 &negotiate_flags);
 411         if (!NT_STATUS_IS_OK(status)) {
 412                 DBG_DEBUG("rpccli_setup_netlogon_creds failed for %s, "
 413                           "unable to setup NETLOGON credentials: %s\n",
 414                           netlogon_creds_cli_debug_string(
 415                                   creds_ctx, frame),
 416                           nt_errstr(status));
 417                 goto fail;
 418         }
 419
 420         if (!(negotiate_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
 421                 if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
 422                         status = NT_STATUS_DOWNGRADE_DETECTED;
 423                         DBG_WARNING("Unwilling to make connection to %s"
 424                                     "without connection level security, "
 425                                     "must set 'winbind sealed pipes = false'"
 426                                     " and 'require strong key = false' "
 427                                     "to proceed: %s\n",
 428                                     netlogon_creds_cli_debug_string(
 429                                             creds_ctx, frame),
 430                                     nt_errstr(status));
 431                         goto fail;
 432                 }
 433
 434                 status = cli_rpc_pipe_open_noauth_transport(
 435                         cli, transport, &ndr_table_netlogon, &rpccli);
 436                 if (!NT_STATUS_IS_OK(status)) {
 437                         DBG_DEBUG("cli_rpc_pipe_open_noauth_transport "
 438                                   "failed: %s\n", nt_errstr(status));
 439                         goto fail;
 440                 }
 441                 goto done;
 442         }
 443
 444         status = cli_rpc_pipe_open_bind_schannel(
 445                 cli, &ndr_table_netlogon, transport, creds_ctx, &rpccli);
 446         if (!NT_STATUS_IS_OK(status)) {
 447                 DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
 448                           "failed: %s\n", nt_errstr(status));
 449                 goto fail;
 450         }
 451
 452         status = netlogon_creds_cli_check(creds_ctx, rpccli->binding_handle,
 453                                           NULL);
 454         if (!NT_STATUS_IS_OK(status)) {
 455                 DBG_WARNING("netlogon_creds_cli_check failed: %s\n",
 456                             nt_errstr(status));
 457                 goto fail;
 458         }
 459
 460 done:
 461         *_rpccli = rpccli;
 462         status = NT_STATUS_OK;
 463 fail:
 464         ZERO_STRUCT(found_session_key);
 465         TALLOC_FREE(lck);
 466         TALLOC_FREE(frame);
 467         return status;
 468 }
 469
 470 static NTSTATUS map_validation_to_info3(TALLOC_CTX *mem_ctx,
 471                                         uint16_t validation_level,
 472                                         union netr_Validation *validation,
 473                                         struct netr_SamInfo3 **info3_p)
 474 {
 475         struct netr_SamInfo3 *info3;
 476         NTSTATUS status;
 477
 478         if (validation == NULL) {
 479                 return NT_STATUS_INVALID_PARAMETER;
 480         }
 481
 482         switch (validation_level) {
 483         case 3:
 484                 if (validation->sam3 == NULL) {
 485                         return NT_STATUS_INVALID_PARAMETER;
 486                 }
 487
 488                 info3 = talloc_move(mem_ctx, &validation->sam3);
 489                 break;
 490         case 6:
 491                 if (validation->sam6 == NULL) {
 492                         return NT_STATUS_INVALID_PARAMETER;
 493                 }
 494
 495                 info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
 496                 if (info3 == NULL) {
 497                         return NT_STATUS_NO_MEMORY;
 498                 }
 499                 status = copy_netr_SamBaseInfo(info3, &validation->sam6->base, &info3->base);
 500                 if (!NT_STATUS_IS_OK(status)) {
 501                         TALLOC_FREE(info3);
 502                         return status;
 503                 }
 504
 505                 info3->sidcount = validation->sam6->sidcount;
 506                 info3->sids = talloc_move(info3, &validation->sam6->sids);
 507                 break;
 508         default:
 509                 return NT_STATUS_BAD_VALIDATION_CLASS;
 510         }
 511
 512         *info3_p = info3;
 513
 514         return NT_STATUS_OK;
 515 }
 516
 517 /* Logon domain user */
 518
 519 NTSTATUS rpccli_netlogon_password_logon(
 520         struct netlogon_creds_cli_context *creds_ctx,
 521         struct dcerpc_binding_handle *binding_handle,
 522         TALLOC_CTX *mem_ctx,
 523         uint32_t logon_parameters,
 524         const char *domain,
 525         const char *username,
 526         const char *password,
 527         const char *workstation,
 528         enum netr_LogonInfoClass logon_type,
 529         uint8_t *authoritative,
 530         uint32_t *flags,
 531         struct netr_SamInfo3 **info3)
 532 {
 533         TALLOC_CTX *frame = talloc_stackframe();
 534         NTSTATUS status;
 535         union netr_LogonLevel *logon;
 536         uint16_t validation_level = 0;
 537         union netr_Validation *validation = NULL;
 538         char *workstation_slash = NULL;
 539
 540         logon = talloc_zero(frame, union netr_LogonLevel);
 541         if (logon == NULL) {
 542                 TALLOC_FREE(frame);
 543                 return NT_STATUS_NO_MEMORY;
 544         }
 545
 546         if (workstation == NULL) {
 547                 workstation = lp_netbios_name();
 548         }
 549
 550         workstation_slash = talloc_asprintf(frame, "\\\\%s", workstation);
 551         if (workstation_slash == NULL) {
 552                 TALLOC_FREE(frame);
 553                 return NT_STATUS_NO_MEMORY;
 554         }
 555
 556         /* Initialise input parameters */
 557
 558         switch (logon_type) {
 559         case NetlogonInteractiveInformation: {
 560
 561                 struct netr_PasswordInfo *password_info;
 562
 563                 struct samr_Password lmpassword;
 564                 struct samr_Password ntpassword;
 565
 566                 password_info = talloc_zero(frame, struct netr_PasswordInfo);
 567                 if (password_info == NULL) {
 568                         TALLOC_FREE(frame);
 569                         return NT_STATUS_NO_MEMORY;
 570                 }
 571
 572                 nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
 573
 574                 password_info->identity_info.domain_name.string         = domain;
 575                 password_info->identity_info.parameter_control          = logon_parameters;
 576                 password_info->identity_info.logon_id_low               = 0xdead;
 577                 password_info->identity_info.logon_id_high              = 0xbeef;
 578                 password_info->identity_info.account_name.string        = username;
 579                 password_info->identity_info.workstation.string         = workstation_slash;
 580
 581                 password_info->lmpassword = lmpassword;
 582                 password_info->ntpassword = ntpassword;
 583
 584                 logon->password = password_info;
 585
 586                 break;
 587         }
 588         case NetlogonNetworkInformation: {
 589                 struct netr_NetworkInfo *network_info;
 590                 uint8_t chal[8];
 591                 unsigned char local_lm_response[24];
 592                 unsigned char local_nt_response[24];
 593                 struct netr_ChallengeResponse lm;
 594                 struct netr_ChallengeResponse nt;
 595
 596                 ZERO_STRUCT(lm);
 597                 ZERO_STRUCT(nt);
 598
 599                 network_info = talloc_zero(frame, struct netr_NetworkInfo);
 600                 if (network_info == NULL) {
 601                         TALLOC_FREE(frame);
 602                         return NT_STATUS_NO_MEMORY;
 603                 }
 604
 605                 generate_random_buffer(chal, 8);
 606
 607                 SMBencrypt(password, chal, local_lm_response);
 608                 SMBNTencrypt(password, chal, local_nt_response);
 609
 610                 lm.length = 24;
 611                 lm.data = local_lm_response;
 612
 613                 nt.length = 24;
 614                 nt.data = local_nt_response;
 615
 616                 network_info->identity_info.domain_name.string          = domain;
 617                 network_info->identity_info.parameter_control           = logon_parameters;
 618                 network_info->identity_info.logon_id_low                = 0xdead;
 619                 network_info->identity_info.logon_id_high               = 0xbeef;
 620                 network_info->identity_info.account_name.string         = username;
 621                 network_info->identity_info.workstation.string          = workstation_slash;
 622
 623                 memcpy(network_info->challenge, chal, 8);
 624                 network_info->nt = nt;
 625                 network_info->lm = lm;
 626
 627                 logon->network = network_info;
 628
 629                 break;
 630         }
 631         default:
 632                 DEBUG(0, ("switch value %d not supported\n",
 633                         logon_type));
 634                 TALLOC_FREE(frame);
 635                 return NT_STATUS_INVALID_INFO_CLASS;
 636         }
 637
 638         status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
 639                                                   binding_handle,
 640                                                   logon_type,
 641                                                   logon,
 642                                                   frame,
 643                                                   &validation_level,
 644                                                   &validation,
 645                                                   authoritative,
 646                                                   flags);
 647         if (!NT_STATUS_IS_OK(status)) {
 648                 TALLOC_FREE(frame);
 649                 return status;
 650         }
 651
 652         status = map_validation_to_info3(mem_ctx,
 653                                          validation_level, validation,
 654                                          info3);
 655         TALLOC_FREE(frame);
 656         if (!NT_STATUS_IS_OK(status)) {
 657                 return status;
 658         }
 659
 660
 661         return NT_STATUS_OK;
 662 }
 663
 664 /**
 665  * Logon domain user with an 'network' SAM logon
 666  *
 667  * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
 668  **/
 669
 670
 671 NTSTATUS rpccli_netlogon_network_logon(
 672         struct netlogon_creds_cli_context *creds_ctx,
 673         struct dcerpc_binding_handle *binding_handle,
 674         TALLOC_CTX *mem_ctx,
 675         uint32_t logon_parameters,
 676         const char *username,
 677         const char *domain,
 678         const char *workstation,
 679         const uint8_t chal[8],
 680         DATA_BLOB lm_response,
 681         DATA_BLOB nt_response,
 682         uint8_t *authoritative,
 683         uint32_t *flags,
 684         struct netr_SamInfo3 **info3)
 685 {
 686         NTSTATUS status;
 687         const char *workstation_name_slash;
 688         union netr_LogonLevel *logon = NULL;
 689         struct netr_NetworkInfo *network_info;
 690         uint16_t validation_level = 0;
 691         union netr_Validation *validation = NULL;
 692         struct netr_ChallengeResponse lm;
 693         struct netr_ChallengeResponse nt;
 694
 695         *info3 = NULL;
 696
 697         ZERO_STRUCT(lm);
 698         ZERO_STRUCT(nt);
 699
 700         logon = talloc_zero(mem_ctx, union netr_LogonLevel);
 701         if (!logon) {
 702                 return NT_STATUS_NO_MEMORY;
 703         }
 704
 705         network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
 706         if (!network_info) {
 707                 return NT_STATUS_NO_MEMORY;
 708         }
 709
 710         if (workstation[0] != '\\' && workstation[1] != '\\') {
 711                 workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
 712         } else {
 713                 workstation_name_slash = workstation;
 714         }
 715
 716         if (!workstation_name_slash) {
 717                 DEBUG(0, ("talloc_asprintf failed!\n"));
 718                 return NT_STATUS_NO_MEMORY;
 719         }
 720
 721         /* Initialise input parameters */
 722
 723         lm.data = lm_response.data;
 724         lm.length = lm_response.length;
 725         nt.data = nt_response.data;
 726         nt.length = nt_response.length;
 727
 728         network_info->identity_info.domain_name.string          = domain;
 729         network_info->identity_info.parameter_control           = logon_parameters;
 730         network_info->identity_info.logon_id_low                = 0xdead;
 731         network_info->identity_info.logon_id_high               = 0xbeef;
 732         network_info->identity_info.account_name.string         = username;
 733         network_info->identity_info.workstation.string          = workstation_name_slash;
 734
 735         memcpy(network_info->challenge, chal, 8);
 736         network_info->nt = nt;
 737         network_info->lm = lm;
 738
 739         logon->network = network_info;
 740
 741         /* Marshall data and send request */
 742
 743         status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
 744                                                   binding_handle,
 745                                                   NetlogonNetworkInformation,
 746                                                   logon,
 747                                                   mem_ctx,
 748                                                   &validation_level,
 749                                                   &validation,
 750                                                   authoritative,
 751                                                   flags);
 752         if (!NT_STATUS_IS_OK(status)) {
 753                 return status;
 754         }
 755
 756         status = map_validation_to_info3(mem_ctx,
 757                                          validation_level, validation,
 758                                          info3);
 759         if (!NT_STATUS_IS_OK(status)) {
 760                 return status;
 761         }
 762
 763         return NT_STATUS_OK;
 764 }