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/util_netlogon.h"
  34 #include "../libcli/security/security.h"
  35 #include "lib/param/param.h"
  36 #include "libcli/smb/smbXcli_base.h"
  37 #include "dbwrap/dbwrap.h"
  38 #include "dbwrap/dbwrap_open.h"
  39 #include "util_tdb.h"
  40 #include "lib/crypto/gnutls_helpers.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(lp_ctx, &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 static NTSTATUS rpccli_setup_netlogon_creds_locked(
 157         struct cli_state *cli,
 158         enum dcerpc_transport_t transport,
 159         const char *remote_name,
 160         const struct sockaddr_storage *remote_sockaddr,
 161         struct netlogon_creds_cli_context *creds_ctx,
 162         bool force_reauth,
 163         struct cli_credentials *cli_creds,
 164         TALLOC_CTX *mem_ctx,
 165         struct rpc_pipe_client **_netlogon_pipe,
 166         uint32_t *negotiate_flags)
 167 {
 168         TALLOC_CTX *frame = talloc_stackframe();
 169         struct rpc_pipe_client *netlogon_pipe = NULL;
 170         struct netlogon_creds_CredentialState *creds = NULL;
 171         uint8_t num_nt_hashes = 0;
 172         const struct samr_Password *nt_hashes[2] = { NULL, NULL };
 173         uint8_t idx_nt_hashes = 0;
 174         NTSTATUS status;
 175
 176         status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 177         if (NT_STATUS_IS_OK(status)) {
 178                 const char *action = "using";
 179
 180                 if (force_reauth) {
 181                         action = "overwrite";
 182                 }
 183
 184                 DEBUG(5,("%s: %s cached netlogon_creds cli[%s/%s] to %s\n",
 185                          __FUNCTION__, action,
 186                          creds->account_name, creds->computer_name,
 187                          remote_name));
 188                 if (!force_reauth) {
 189                         goto done;
 190                 }
 191                 TALLOC_FREE(creds);
 192         }
 193
 194         nt_hashes[0] = cli_credentials_get_nt_hash(cli_creds, talloc_tos());
 195         if (nt_hashes[0] == NULL) {
 196                 TALLOC_FREE(frame);
 197                 return NT_STATUS_NO_MEMORY;
 198         }
 199         num_nt_hashes = 1;
 200
 201         nt_hashes[1] = cli_credentials_get_old_nt_hash(cli_creds,
 202                                                        talloc_tos());
 203         if (nt_hashes[1] != NULL) {
 204                 num_nt_hashes = 2;
 205         }
 206
 207         status = cli_rpc_pipe_open_noauth_transport(cli,
 208                                                     transport,
 209                                                     &ndr_table_netlogon,
 210                                                     remote_name,
 211                                                     remote_sockaddr,
 212                                                     &netlogon_pipe);
 213         if (!NT_STATUS_IS_OK(status)) {
 214                 DEBUG(5,("%s: failed to open noauth netlogon connection to %s - %s\n",
 215                          __FUNCTION__,
 216                          remote_name,
 217                          nt_errstr(status)));
 218                 TALLOC_FREE(frame);
 219                 return status;
 220         }
 221         talloc_steal(frame, netlogon_pipe);
 222
 223         status = netlogon_creds_cli_auth(creds_ctx,
 224                                          netlogon_pipe->binding_handle,
 225                                          num_nt_hashes,
 226                                          nt_hashes,
 227                                          &idx_nt_hashes);
 228         if (!NT_STATUS_IS_OK(status)) {
 229                 TALLOC_FREE(frame);
 230                 return status;
 231         }
 232
 233         status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 234         if (!NT_STATUS_IS_OK(status)) {
 235                 TALLOC_FREE(frame);
 236                 return NT_STATUS_INTERNAL_ERROR;
 237         }
 238
 239         DEBUG(5,("%s: using new netlogon_creds cli[%s/%s] to %s\n",
 240                  __FUNCTION__,
 241                  creds->account_name, creds->computer_name,
 242                  remote_name));
 243
 244 done:
 245         if (_netlogon_pipe != NULL) {
 246                 *_netlogon_pipe = talloc_move(mem_ctx, &netlogon_pipe);
 247         }
 248
 249         if (negotiate_flags != NULL) {
 250                 *negotiate_flags = creds->negotiate_flags;
 251         }
 252
 253         TALLOC_FREE(frame);
 254         return NT_STATUS_OK;
 255 }
 256
 257 NTSTATUS rpccli_setup_netlogon_creds(
 258         struct cli_state *cli,
 259         enum dcerpc_transport_t transport,
 260         const char *remote_name,
 261         const struct sockaddr_storage *remote_sockaddr,
 262         struct netlogon_creds_cli_context *creds_ctx,
 263         bool force_reauth,
 264         struct cli_credentials *cli_creds)
 265 {
 266         TALLOC_CTX *frame = talloc_stackframe();
 267         struct netlogon_creds_cli_lck *lck;
 268         NTSTATUS status;
 269
 270         status = netlogon_creds_cli_lck(
 271                 creds_ctx, NETLOGON_CREDS_CLI_LCK_EXCLUSIVE,
 272                 frame, &lck);
 273         if (!NT_STATUS_IS_OK(status)) {
 274                 DBG_WARNING("netlogon_creds_cli_lck failed: %s\n",
 275                             nt_errstr(status));
 276                 TALLOC_FREE(frame);
 277                 return status;
 278         }
 279
 280         status = rpccli_setup_netlogon_creds_locked(cli,
 281                                                     transport,
 282                                                     remote_name,
 283                                                     remote_sockaddr,
 284                                                     creds_ctx,
 285                                                     force_reauth,
 286                                                     cli_creds,
 287                                                     NULL,
 288                                                     NULL,
 289                                                     NULL);
 290
 291         TALLOC_FREE(frame);
 292
 293         return status;
 294 }
 295
 296 NTSTATUS rpccli_connect_netlogon(
 297         struct cli_state *cli,
 298         enum dcerpc_transport_t transport,
 299         const char *remote_name,
 300         const struct sockaddr_storage *remote_sockaddr,
 301         struct netlogon_creds_cli_context *creds_ctx,
 302         bool force_reauth,
 303         struct cli_credentials *trust_creds,
 304         struct rpc_pipe_client **_rpccli)
 305 {
 306         TALLOC_CTX *frame = talloc_stackframe();
 307         struct netlogon_creds_CredentialState *creds = NULL;
 308         enum netlogon_creds_cli_lck_type lck_type;
 309         enum netr_SchannelType sec_chan_type;
 310         struct netlogon_creds_cli_lck *lck = NULL;
 311         uint32_t negotiate_flags;
 312         uint8_t found_session_key[16] = {0};
 313         bool found_existing_creds = false;
 314         bool do_serverauth;
 315         struct rpc_pipe_client *rpccli;
 316         NTSTATUS status;
 317         bool retry = false;
 318
 319         sec_chan_type = cli_credentials_get_secure_channel_type(trust_creds);
 320         if (sec_chan_type == SEC_CHAN_NULL) {
 321                 DBG_ERR("secure_channel_type gave SEC_CHAN_NULL\n");
 322                 status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 323                 goto fail;
 324         }
 325
 326 again:
 327
 328         /*
 329          * See whether we can use existing netlogon_creds or
 330          * whether we have to serverauthenticate.
 331          */
 332         status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 333
 334         if (NT_STATUS_IS_OK(status)) {
 335                 bool cmp = mem_equal_const_time(found_session_key,
 336                                                 creds->session_key,
 337                                                 sizeof(found_session_key));
 338                 found_existing_creds = !cmp;
 339
 340                 memcpy(found_session_key,
 341                        creds->session_key,
 342                        sizeof(found_session_key));
 343
 344                 TALLOC_FREE(creds);
 345         }
 346
 347         lck_type = (force_reauth || !found_existing_creds) ?
 348                 NETLOGON_CREDS_CLI_LCK_EXCLUSIVE :
 349                 NETLOGON_CREDS_CLI_LCK_SHARED;
 350
 351         status = netlogon_creds_cli_lck(creds_ctx, lck_type, frame, &lck);
 352         if (!NT_STATUS_IS_OK(status)) {
 353                 DBG_DEBUG("netlogon_creds_cli_lck failed: %s\n",
 354                           nt_errstr(status));
 355                 goto fail;
 356         }
 357
 358         if (!found_existing_creds) {
 359                 /*
 360                  * Try to find creds under the lock again. Someone
 361                  * else might have done it for us.
 362                  */
 363                 status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
 364
 365                 if (NT_STATUS_IS_OK(status)) {
 366                         bool cmp = mem_equal_const_time(found_session_key,
 367                                                         creds->session_key,
 368                                                         sizeof(found_session_key));
 369                         found_existing_creds = !cmp;
 370
 371                         memcpy(found_session_key, creds->session_key,
 372                                sizeof(found_session_key));
 373
 374                         TALLOC_FREE(creds);
 375                 }
 376         }
 377
 378         do_serverauth = force_reauth || !found_existing_creds;
 379
 380         if (!do_serverauth) {
 381                 /*
 382                  * Do the quick schannel bind without a reauth
 383                  */
 384                 status = cli_rpc_pipe_open_bind_schannel(cli,
 385                                                          &ndr_table_netlogon,
 386                                                          transport,
 387                                                          creds_ctx,
 388                                                          remote_name,
 389                                                          remote_sockaddr,
 390                                                          &rpccli);
 391                 if (!retry && NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_ACCESS_DENIED)) {
 392                         DBG_DEBUG("Retrying with serverauthenticate\n");
 393                         TALLOC_FREE(lck);
 394                         force_reauth = true;
 395                         retry = true;
 396                         goto again;
 397                 }
 398                 if (!NT_STATUS_IS_OK(status)) {
 399                         DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
 400                                   "failed: %s\n", nt_errstr(status));
 401                         goto fail;
 402                 }
 403                 goto done;
 404         }
 405
 406         if (cli_credentials_is_anonymous(trust_creds)) {
 407                 DBG_WARNING("get_trust_credential for %s only gave anonymous,"
 408                             "unable to negotiate NETLOGON credentials\n",
 409                             netlogon_creds_cli_debug_string(
 410                                     creds_ctx, frame));
 411                 status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 412                 goto fail;
 413         }
 414
 415         status = rpccli_setup_netlogon_creds_locked(cli,
 416                                                     transport,
 417                                                     remote_name,
 418                                                     remote_sockaddr,
 419                                                     creds_ctx,
 420                                                     true,
 421                                                     trust_creds,
 422                                                     NULL,
 423                                                     &rpccli,
 424                                                     &negotiate_flags);
 425         if (!NT_STATUS_IS_OK(status)) {
 426                 DBG_DEBUG("rpccli_setup_netlogon_creds failed for %s, "
 427                           "unable to setup NETLOGON credentials: %s\n",
 428                           netlogon_creds_cli_debug_string(
 429                                   creds_ctx, frame),
 430                           nt_errstr(status));
 431                 goto fail;
 432         }
 433         talloc_steal(frame, rpccli);
 434
 435         if (!(negotiate_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
 436                 if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
 437                         status = NT_STATUS_DOWNGRADE_DETECTED;
 438                         DBG_WARNING("Unwilling to make connection to %s"
 439                                     "without connection level security, "
 440                                     "must set 'winbind sealed pipes = false'"
 441                                     " and 'require strong key = false' "
 442                                     "to proceed: %s\n",
 443                                     netlogon_creds_cli_debug_string(
 444                                             creds_ctx, frame),
 445                                     nt_errstr(status));
 446                         goto fail;
 447                 }
 448
 449                 /*
 450                  * we keep the AUTH_TYPE_NONE rpccli for the
 451                  * caller...
 452                  */
 453                 goto done;
 454         }
 455
 456         status = cli_rpc_pipe_client_prepare_alter(rpccli,
 457                                                    true, /* new_auth_context */
 458                                                    &ndr_table_netlogon,
 459                                                    false); /* new_pres_context */
 460         if (!NT_STATUS_IS_OK(status)) {
 461                 DBG_WARNING("cli_rpc_pipe_client_prepare_alter "
 462                             "failed: %s\n", nt_errstr(status));
 463                 goto fail;
 464         }
 465
 466         status = cli_rpc_pipe_client_auth_schannel(rpccli,
 467                                                    &ndr_table_netlogon,
 468                                                    creds_ctx);
 469         if (!NT_STATUS_IS_OK(status)) {
 470                 DBG_DEBUG("cli_rpc_pipe_client_auth_schannel "
 471                           "failed: %s\n", nt_errstr(status));
 472                 goto fail;
 473         }
 474
 475         status = netlogon_creds_cli_check(creds_ctx, rpccli->binding_handle,
 476                                           NULL);
 477         if (!NT_STATUS_IS_OK(status)) {
 478                 DBG_WARNING("netlogon_creds_cli_check failed: %s\n",
 479                             nt_errstr(status));
 480                 goto fail;
 481         }
 482
 483 done:
 484         *_rpccli = talloc_move(NULL, &rpccli);
 485         status = NT_STATUS_OK;
 486 fail:
 487         ZERO_STRUCT(found_session_key);
 488         TALLOC_FREE(lck);
 489         TALLOC_FREE(frame);
 490         return status;
 491 }
 492
 493 /* Logon domain user */
 494
 495 NTSTATUS rpccli_netlogon_password_logon(
 496         struct netlogon_creds_cli_context *creds_ctx,
 497         struct dcerpc_binding_handle *binding_handle,
 498         TALLOC_CTX *mem_ctx,
 499         uint32_t logon_parameters,
 500         const char *domain,
 501         const char *username,
 502         const char *password,
 503         const char *workstation,
 504         const uint64_t logon_id,
 505         enum netr_LogonInfoClass logon_type,
 506         uint8_t *authoritative,
 507         uint32_t *flags,
 508         uint16_t *_validation_level,
 509         union netr_Validation **_validation)
 510 {
 511         TALLOC_CTX *frame = talloc_stackframe();
 512         NTSTATUS status;
 513         union netr_LogonLevel *logon;
 514         uint16_t validation_level = 0;
 515         union netr_Validation *validation = NULL;
 516         char *workstation_slash = NULL;
 517
 518         unsigned char local_nt_response[24];
 519         unsigned char local_lm_response[24];
 520         struct samr_Password lmpassword = {.hash = {0}};
 521         struct samr_Password ntpassword = {.hash = {0}};
 522         struct netr_ChallengeResponse lm = {0};
 523         struct netr_ChallengeResponse nt = {0};
 524
 525         logon = talloc_zero(frame, union netr_LogonLevel);
 526         if (logon == NULL) {
 527                 TALLOC_FREE(frame);
 528                 return NT_STATUS_NO_MEMORY;
 529         }
 530
 531         if (workstation == NULL) {
 532                 workstation = lp_netbios_name();
 533         }
 534
 535         workstation_slash = talloc_asprintf(frame, "\\\\%s", workstation);
 536         if (workstation_slash == NULL) {
 537                 TALLOC_FREE(frame);
 538                 return NT_STATUS_NO_MEMORY;
 539         }
 540
 541         /* Initialise input parameters */
 542
 543         switch (logon_type) {
 544         case NetlogonInteractiveInformation:
 545         case NetlogonInteractiveTransitiveInformation: {
 546
 547                 struct netr_PasswordInfo *password_info;
 548
 549
 550                 password_info = talloc_zero(frame, struct netr_PasswordInfo);
 551                 if (password_info == NULL) {
 552                         TALLOC_FREE(frame);
 553                         return NT_STATUS_NO_MEMORY;
 554                 }
 555
 556                 nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
 557
 558                 password_info->identity_info.domain_name.string         = domain;
 559                 password_info->identity_info.parameter_control          = logon_parameters;
 560                 password_info->identity_info.logon_id                   = logon_id;
 561                 password_info->identity_info.account_name.string        = username;
 562                 password_info->identity_info.workstation.string         = workstation_slash;
 563
 564                 password_info->lmpassword = lmpassword;
 565                 password_info->ntpassword = ntpassword;
 566
 567                 logon->password = password_info;
 568
 569                 break;
 570         }
 571         case NetlogonNetworkInformation:
 572         case NetlogonNetworkTransitiveInformation: {
 573                 struct netr_NetworkInfo *network_info;
 574                 uint8_t chal[8];
 575                 int rc;
 576
 577                 ZERO_STRUCT(lm);
 578                 ZERO_STRUCT(nt);
 579
 580                 network_info = talloc_zero(frame, struct netr_NetworkInfo);
 581                 if (network_info == NULL) {
 582                         TALLOC_FREE(frame);
 583                         return NT_STATUS_NO_MEMORY;
 584                 }
 585
 586                 generate_random_buffer(chal, 8);
 587
 588                 SMBencrypt(password, chal, local_lm_response);
 589                 rc = SMBNTencrypt(password, chal, local_nt_response);
 590                 if (rc != 0) {
 591                         TALLOC_FREE(frame);
 592                         return gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
 593                 }
 594
 595                 lm.length = 24;
 596                 lm.data = local_lm_response;
 597
 598                 nt.length = 24;
 599                 nt.data = local_nt_response;
 600
 601                 network_info->identity_info.domain_name.string          = domain;
 602                 network_info->identity_info.parameter_control           = logon_parameters;
 603                 network_info->identity_info.logon_id                    = logon_id;
 604                 network_info->identity_info.account_name.string         = username;
 605                 network_info->identity_info.workstation.string          = workstation_slash;
 606
 607                 memcpy(network_info->challenge, chal, 8);
 608                 network_info->nt = nt;
 609                 network_info->lm = lm;
 610
 611                 logon->network = network_info;
 612
 613                 break;
 614         }
 615         default:
 616                 DEBUG(0, ("switch value %d not supported\n",
 617                         logon_type));
 618                 TALLOC_FREE(frame);
 619                 return NT_STATUS_INVALID_INFO_CLASS;
 620         }
 621
 622         status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
 623                                                   binding_handle,
 624                                                   logon_type,
 625                                                   logon,
 626                                                   mem_ctx,
 627                                                   &validation_level,
 628                                                   &validation,
 629                                                   authoritative,
 630                                                   flags);
 631         if (!NT_STATUS_IS_OK(status)) {
 632                 TALLOC_FREE(frame);
 633                 return status;
 634         }
 635
 636         TALLOC_FREE(frame);
 637         *_validation_level = validation_level;
 638         *_validation = validation;
 639
 640         return NT_STATUS_OK;
 641 }
 642
 643 /**
 644  * Logon domain user with an 'network' SAM logon
 645  *
 646  * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
 647  **/
 648
 649
 650 NTSTATUS rpccli_netlogon_network_logon(
 651         struct netlogon_creds_cli_context *creds_ctx,
 652         struct dcerpc_binding_handle *binding_handle,
 653         TALLOC_CTX *mem_ctx,
 654         uint32_t logon_parameters,
 655         const char *username,
 656         const char *domain,
 657         const char *workstation,
 658         const uint64_t logon_id,
 659         DATA_BLOB chal,
 660         DATA_BLOB lm_response,
 661         DATA_BLOB nt_response,
 662         enum netr_LogonInfoClass logon_type,
 663         uint8_t *authoritative,
 664         uint32_t *flags,
 665         uint16_t *_validation_level,
 666         union netr_Validation **_validation)
 667 {
 668         NTSTATUS status;
 669         const char *workstation_name_slash;
 670         union netr_LogonLevel *logon = NULL;
 671         struct netr_NetworkInfo *network_info;
 672         uint16_t validation_level = 0;
 673         union netr_Validation *validation = NULL;
 674         struct netr_ChallengeResponse lm;
 675         struct netr_ChallengeResponse nt;
 676
 677         *_validation = NULL;
 678
 679         ZERO_STRUCT(lm);
 680         ZERO_STRUCT(nt);
 681
 682         switch (logon_type) {
 683         case NetlogonNetworkInformation:
 684         case NetlogonNetworkTransitiveInformation:
 685                 break;
 686         default:
 687                 DEBUG(0, ("switch value %d not supported\n",
 688                         logon_type));
 689                 return NT_STATUS_INVALID_INFO_CLASS;
 690         }
 691
 692         logon = talloc_zero(mem_ctx, union netr_LogonLevel);
 693         if (!logon) {
 694                 return NT_STATUS_NO_MEMORY;
 695         }
 696
 697         network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
 698         if (!network_info) {
 699                 return NT_STATUS_NO_MEMORY;
 700         }
 701
 702         if (workstation == NULL) {
 703                 workstation = lp_netbios_name();
 704         }
 705
 706         if (workstation[0] != '\\' && workstation[1] != '\\') {
 707                 workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
 708         } else {
 709                 workstation_name_slash = workstation;
 710         }
 711
 712         if (!workstation_name_slash) {
 713                 DEBUG(0, ("talloc_asprintf failed!\n"));
 714                 return NT_STATUS_NO_MEMORY;
 715         }
 716
 717         /* Initialise input parameters */
 718
 719         lm.data = lm_response.data;
 720         lm.length = lm_response.length;
 721         nt.data = nt_response.data;
 722         nt.length = nt_response.length;
 723
 724         network_info->identity_info.domain_name.string          = domain;
 725         network_info->identity_info.parameter_control           = logon_parameters;
 726         network_info->identity_info.logon_id                    = logon_id;
 727         network_info->identity_info.account_name.string         = username;
 728         network_info->identity_info.workstation.string          = workstation_name_slash;
 729
 730         if (chal.length != 8) {
 731                 DBG_WARNING("Invalid challenge length %zd\n", chal.length);
 732                 return NT_STATUS_INVALID_PARAMETER;
 733         }
 734
 735         memcpy(network_info->challenge, chal.data, chal.length);
 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                                                   logon_type,
 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         *_validation_level = validation_level;
 757         *_validation = validation;
 758
 759         return NT_STATUS_OK;
 760 }
 761
 762 NTSTATUS rpccli_netlogon_interactive_logon(
 763         struct netlogon_creds_cli_context *creds_ctx,
 764         struct dcerpc_binding_handle *binding_handle,
 765         TALLOC_CTX *mem_ctx,
 766         uint32_t logon_parameters,
 767         const char *username,
 768         const char *domain,
 769         const char *workstation,
 770         const uint64_t logon_id,
 771         DATA_BLOB lm_hash,
 772         DATA_BLOB nt_hash,
 773         enum netr_LogonInfoClass logon_type,
 774         uint8_t *authoritative,
 775         uint32_t *flags,
 776         uint16_t *_validation_level,
 777         union netr_Validation **_validation)
 778 {
 779         TALLOC_CTX *frame = talloc_stackframe();
 780         NTSTATUS status;
 781         const char *workstation_name_slash;
 782         union netr_LogonLevel *logon = NULL;
 783         struct netr_PasswordInfo *password_info = NULL;
 784         uint16_t validation_level = 0;
 785         union netr_Validation *validation = NULL;
 786         struct netr_ChallengeResponse lm;
 787         struct netr_ChallengeResponse nt;
 788
 789         *_validation = NULL;
 790
 791         ZERO_STRUCT(lm);
 792         ZERO_STRUCT(nt);
 793
 794         switch (logon_type) {
 795         case NetlogonInteractiveInformation:
 796         case NetlogonInteractiveTransitiveInformation:
 797                 break;
 798         default:
 799                 DEBUG(0, ("switch value %d not supported\n",
 800                         logon_type));
 801                 TALLOC_FREE(frame);
 802                 return NT_STATUS_INVALID_INFO_CLASS;
 803         }
 804
 805         logon = talloc_zero(mem_ctx, union netr_LogonLevel);
 806         if (logon == NULL) {
 807                 TALLOC_FREE(frame);
 808                 return NT_STATUS_NO_MEMORY;
 809         }
 810
 811         password_info = talloc_zero(logon, struct netr_PasswordInfo);
 812         if (password_info == NULL) {
 813                 TALLOC_FREE(frame);
 814                 return NT_STATUS_NO_MEMORY;
 815         }
 816
 817         if (workstation[0] != '\\' && workstation[1] != '\\') {
 818                 workstation_name_slash = talloc_asprintf(frame, "\\\\%s", workstation);
 819         } else {
 820                 workstation_name_slash = workstation;
 821         }
 822
 823         if (workstation_name_slash == NULL) {
 824                 TALLOC_FREE(frame);
 825                 return NT_STATUS_NO_MEMORY;
 826         }
 827
 828         /* Initialise input parameters */
 829
 830         password_info->identity_info.domain_name.string         = domain;
 831         password_info->identity_info.parameter_control          = logon_parameters;
 832         password_info->identity_info.logon_id                   = logon_id;
 833         password_info->identity_info.account_name.string        = username;
 834         password_info->identity_info.workstation.string         = workstation_name_slash;
 835
 836         if (nt_hash.length != sizeof(password_info->ntpassword.hash)) {
 837                 TALLOC_FREE(frame);
 838                 return NT_STATUS_INVALID_PARAMETER;
 839         }
 840         memcpy(password_info->ntpassword.hash, nt_hash.data, nt_hash.length);
 841         if (lm_hash.length != 0) {
 842                 if (lm_hash.length != sizeof(password_info->lmpassword.hash)) {
 843                         TALLOC_FREE(frame);
 844                         return NT_STATUS_INVALID_PARAMETER;
 845                 }
 846                 memcpy(password_info->lmpassword.hash, lm_hash.data, lm_hash.length);
 847         }
 848
 849         logon->password = password_info;
 850
 851         /* Marshall data and send request */
 852
 853         status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
 854                                                   binding_handle,
 855                                                   logon_type,
 856                                                   logon,
 857                                                   mem_ctx,
 858                                                   &validation_level,
 859                                                   &validation,
 860                                                   authoritative,
 861                                                   flags);
 862         if (!NT_STATUS_IS_OK(status)) {
 863                 TALLOC_FREE(frame);
 864                 return status;
 865         }
 866
 867         *_validation_level = validation_level;
 868         *_validation = validation;
 869
 870         TALLOC_FREE(frame);
 871         return NT_STATUS_OK;
 872 }