source3/rpc_server/netlogon/srv_netlog_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997.
   7  *  Copyright (C) Jeremy Allison               1998-2001.
   8  *  Copyright (C) Andrew Bartlett                   2001.
   9  *  Copyright (C) Guenther Deschner                 2008-2009.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 3 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 /* This is the implementation of the netlogon pipe. */
  26
  27 #include "includes.h"
  28 #include "system/passwd.h" /* uid_wrapper */
  29 #include "ntdomain.h"
  30 #include "../libcli/auth/schannel.h"
  31 #include "../librpc/gen_ndr/srv_netlogon.h"
  32 #include "../librpc/gen_ndr/ndr_samr_c.h"
  33 #include "../librpc/gen_ndr/ndr_lsa_c.h"
  34 #include "rpc_client/cli_lsarpc.h"
  35 #include "rpc_client/init_lsa.h"
  36 #include "rpc_server/rpc_ncacn_np.h"
  37 #include "../libcli/security/security.h"
  38 #include "../libcli/security/dom_sid.h"
  39 #include "librpc/gen_ndr/ndr_drsblobs.h"
  40 #include "lib/crypto/arcfour.h"
  41 #include "lib/crypto/md4.h"
  42 #include "nsswitch/libwbclient/wbclient.h"
  43 #include "../libcli/registry/util_reg.h"
  44 #include "passdb.h"
  45 #include "auth.h"
  46 #include "messages.h"
  47 #include "../lib/tsocket/tsocket.h"
  48 #include "lib/param/param.h"
  49
  50 extern userdom_struct current_user_info;
  51
  52 #undef DBGC_CLASS
  53 #define DBGC_CLASS DBGC_RPC_SRV
  54
  55 struct netlogon_server_pipe_state {
  56         struct netr_Credential client_challenge;
  57         struct netr_Credential server_challenge;
  58 };
  59
  60 /*************************************************************************
  61  _netr_LogonControl
  62  *************************************************************************/
  63
  64 WERROR _netr_LogonControl(struct pipes_struct *p,
  65                           struct netr_LogonControl *r)
  66 {
  67         struct netr_LogonControl2Ex l;
  68
  69         switch (r->in.level) {
  70         case 1:
  71                 break;
  72         case 2:
  73                 return WERR_NOT_SUPPORTED;
  74         default:
  75                 return WERR_UNKNOWN_LEVEL;
  76         }
  77
  78         l.in.logon_server       = r->in.logon_server;
  79         l.in.function_code      = r->in.function_code;
  80         l.in.level              = r->in.level;
  81         l.in.data               = NULL;
  82         l.out.query             = r->out.query;
  83
  84         return _netr_LogonControl2Ex(p, &l);
  85 }
  86
  87 /*************************************************************************
  88  _netr_LogonControl2
  89  *************************************************************************/
  90
  91 WERROR _netr_LogonControl2(struct pipes_struct *p,
  92                            struct netr_LogonControl2 *r)
  93 {
  94         struct netr_LogonControl2Ex l;
  95
  96         l.in.logon_server       = r->in.logon_server;
  97         l.in.function_code      = r->in.function_code;
  98         l.in.level              = r->in.level;
  99         l.in.data               = r->in.data;
 100         l.out.query             = r->out.query;
 101
 102         return _netr_LogonControl2Ex(p, &l);
 103 }
 104
 105 /*************************************************************************
 106  *************************************************************************/
 107
 108 static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
 109 {
 110         wbcErr result;
 111         struct wbcAuthErrorInfo *error = NULL;
 112
 113         result = wbcChangeTrustCredentials(domain, &error);
 114         switch (result) {
 115         case WBC_ERR_WINBIND_NOT_AVAILABLE:
 116                 return false;
 117         case WBC_ERR_DOMAIN_NOT_FOUND:
 118                 *tc_status = WERR_NO_SUCH_DOMAIN;
 119                 return true;
 120         case WBC_ERR_SUCCESS:
 121                 *tc_status = WERR_OK;
 122                 return true;
 123         default:
 124                 break;
 125         }
 126
 127         if (error && error->nt_status != 0) {
 128                 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
 129         } else {
 130                 *tc_status = WERR_TRUST_FAILURE;
 131         }
 132         wbcFreeMemory(error);
 133         return true;
 134 }
 135
 136 /*************************************************************************
 137  *************************************************************************/
 138
 139 static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
 140 {
 141         wbcErr result;
 142         struct wbcAuthErrorInfo *error = NULL;
 143
 144         result = wbcCheckTrustCredentials(domain, &error);
 145         switch (result) {
 146         case WBC_ERR_WINBIND_NOT_AVAILABLE:
 147                 return false;
 148         case WBC_ERR_DOMAIN_NOT_FOUND:
 149                 *tc_status = WERR_NO_SUCH_DOMAIN;
 150                 return true;
 151         case WBC_ERR_SUCCESS:
 152                 *tc_status = WERR_OK;
 153                 return true;
 154         default:
 155                 break;
 156         }
 157
 158         if (error && error->nt_status != 0) {
 159                 *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
 160         } else {
 161                 *tc_status = WERR_TRUST_FAILURE;
 162         }
 163         wbcFreeMemory(error);
 164         return true;
 165 }
 166
 167 /****************************************************************
 168  _netr_LogonControl2Ex
 169 ****************************************************************/
 170
 171 WERROR _netr_LogonControl2Ex(struct pipes_struct *p,
 172                              struct netr_LogonControl2Ex *r)
 173 {
 174         uint32_t flags = 0x0;
 175         WERROR pdc_connection_status = WERR_OK;
 176         uint32_t logon_attempts = 0x0;
 177         WERROR tc_status;
 178         fstring dc_name2;
 179         const char *dc_name = NULL;
 180         struct sockaddr_storage dc_ss;
 181         const char *domain = NULL;
 182         struct netr_NETLOGON_INFO_1 *info1;
 183         struct netr_NETLOGON_INFO_2 *info2;
 184         struct netr_NETLOGON_INFO_3 *info3;
 185         struct netr_NETLOGON_INFO_4 *info4;
 186         const char *fn;
 187         uint32_t acct_ctrl;
 188         NTSTATUS status;
 189         struct netr_DsRGetDCNameInfo *dc_info;
 190
 191         switch (p->opnum) {
 192         case NDR_NETR_LOGONCONTROL:
 193                 fn = "_netr_LogonControl";
 194                 break;
 195         case NDR_NETR_LOGONCONTROL2:
 196                 fn = "_netr_LogonControl2";
 197                 break;
 198         case NDR_NETR_LOGONCONTROL2EX:
 199                 fn = "_netr_LogonControl2Ex";
 200                 break;
 201         default:
 202                 return WERR_INVALID_PARAM;
 203         }
 204
 205         acct_ctrl = p->session_info->info->acct_flags;
 206
 207         switch (r->in.function_code) {
 208         case NETLOGON_CONTROL_TC_VERIFY:
 209         case NETLOGON_CONTROL_CHANGE_PASSWORD:
 210         case NETLOGON_CONTROL_REDISCOVER:
 211                 if ((geteuid() != sec_initial_uid()) &&
 212                     !nt_token_check_domain_rid(p->session_info->security_token, DOMAIN_RID_ADMINS) &&
 213                     !nt_token_check_sid(&global_sid_Builtin_Administrators, p->session_info->security_token) &&
 214                     !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
 215                         return WERR_ACCESS_DENIED;
 216                 }
 217                 break;
 218         default:
 219                 break;
 220         }
 221
 222         tc_status = WERR_NO_SUCH_DOMAIN;
 223
 224         switch (r->in.function_code) {
 225         case NETLOGON_CONTROL_QUERY:
 226                 tc_status = WERR_OK;
 227                 break;
 228         case NETLOGON_CONTROL_REPLICATE:
 229         case NETLOGON_CONTROL_SYNCHRONIZE:
 230         case NETLOGON_CONTROL_PDC_REPLICATE:
 231         case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
 232         case NETLOGON_CONTROL_BREAKPOINT:
 233                 if (acct_ctrl & ACB_NORMAL) {
 234                         return WERR_NOT_SUPPORTED;
 235                 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
 236                         return WERR_ACCESS_DENIED;
 237                 } else {
 238                         return WERR_ACCESS_DENIED;
 239                 }
 240         case NETLOGON_CONTROL_TRUNCATE_LOG:
 241                 if (acct_ctrl & ACB_NORMAL) {
 242                         break;
 243                 } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
 244                         return WERR_ACCESS_DENIED;
 245                 } else {
 246                         return WERR_ACCESS_DENIED;
 247                 }
 248
 249         case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
 250         case NETLOGON_CONTROL_FORCE_DNS_REG:
 251         case NETLOGON_CONTROL_QUERY_DNS_REG:
 252                 return WERR_NOT_SUPPORTED;
 253         case NETLOGON_CONTROL_FIND_USER:
 254                 if (!r->in.data || !r->in.data->user) {
 255                         return WERR_NOT_SUPPORTED;
 256                 }
 257                 break;
 258         case NETLOGON_CONTROL_SET_DBFLAG:
 259                 if (!r->in.data) {
 260                         return WERR_NOT_SUPPORTED;
 261                 }
 262                 break;
 263         case NETLOGON_CONTROL_TC_VERIFY:
 264                 if (!r->in.data || !r->in.data->domain) {
 265                         return WERR_NOT_SUPPORTED;
 266                 }
 267
 268                 if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
 269                         return WERR_NOT_SUPPORTED;
 270                 }
 271                 break;
 272         case NETLOGON_CONTROL_TC_QUERY:
 273                 if (!r->in.data || !r->in.data->domain) {
 274                         return WERR_NOT_SUPPORTED;
 275                 }
 276
 277                 domain = r->in.data->domain;
 278
 279                 if (!is_trusted_domain(domain)) {
 280                         break;
 281                 }
 282
 283                 if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
 284                         tc_status = WERR_NO_LOGON_SERVERS;
 285                         break;
 286                 }
 287
 288                 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
 289                 if (!dc_name) {
 290                         return WERR_NOMEM;
 291                 }
 292
 293                 tc_status = WERR_OK;
 294
 295                 break;
 296
 297         case NETLOGON_CONTROL_REDISCOVER:
 298                 if (!r->in.data || !r->in.data->domain) {
 299                         return WERR_NOT_SUPPORTED;
 300                 }
 301
 302                 domain = r->in.data->domain;
 303
 304                 if (!is_trusted_domain(domain)) {
 305                         break;
 306                 }
 307
 308                 status = dsgetdcname(p->mem_ctx, p->msg_ctx, domain, NULL, NULL,
 309                                      DS_FORCE_REDISCOVERY | DS_RETURN_FLAT_NAME,
 310                                      &dc_info);
 311                 if (!NT_STATUS_IS_OK(status)) {
 312                         tc_status = WERR_NO_LOGON_SERVERS;
 313                         break;
 314                 }
 315
 316                 dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_info->dc_unc);
 317                 if (!dc_name) {
 318                         return WERR_NOMEM;
 319                 }
 320
 321                 tc_status = WERR_OK;
 322
 323                 break;
 324
 325         case NETLOGON_CONTROL_CHANGE_PASSWORD:
 326                 if (!r->in.data || !r->in.data->domain) {
 327                         return WERR_NOT_SUPPORTED;
 328                 }
 329
 330                 if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
 331                         return WERR_NOT_SUPPORTED;
 332                 }
 333                 break;
 334
 335         default:
 336                 /* no idea what this should be */
 337                 DEBUG(0,("%s: unimplemented function level [%d]\n",
 338                         fn, r->in.function_code));
 339                 return WERR_UNKNOWN_LEVEL;
 340         }
 341
 342         /* prepare the response */
 343
 344         switch (r->in.level) {
 345         case 1:
 346                 info1 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_1);
 347                 W_ERROR_HAVE_NO_MEMORY(info1);
 348
 349                 info1->flags                    = flags;
 350                 info1->pdc_connection_status    = pdc_connection_status;
 351
 352                 r->out.query->info1 = info1;
 353                 break;
 354         case 2:
 355                 info2 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_2);
 356                 W_ERROR_HAVE_NO_MEMORY(info2);
 357
 358                 info2->flags                    = flags;
 359                 info2->pdc_connection_status    = pdc_connection_status;
 360                 info2->trusted_dc_name          = dc_name;
 361                 info2->tc_connection_status     = tc_status;
 362
 363                 r->out.query->info2 = info2;
 364                 break;
 365         case 3:
 366                 info3 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_3);
 367                 W_ERROR_HAVE_NO_MEMORY(info3);
 368
 369                 info3->flags                    = flags;
 370                 info3->logon_attempts           = logon_attempts;
 371
 372                 r->out.query->info3 = info3;
 373                 break;
 374         case 4:
 375                 info4 = talloc_zero(p->mem_ctx, struct netr_NETLOGON_INFO_4);
 376                 W_ERROR_HAVE_NO_MEMORY(info4);
 377
 378                 info4->trusted_dc_name          = dc_name;
 379                 info4->trusted_domain_name      = r->in.data->domain;
 380
 381                 r->out.query->info4 = info4;
 382                 break;
 383         default:
 384                 return WERR_UNKNOWN_LEVEL;
 385         }
 386
 387         return WERR_OK;
 388 }
 389
 390 /*************************************************************************
 391  _netr_NetrEnumerateTrustedDomains
 392  *************************************************************************/
 393
 394 NTSTATUS _netr_NetrEnumerateTrustedDomains(struct pipes_struct *p,
 395                                            struct netr_NetrEnumerateTrustedDomains *r)
 396 {
 397         NTSTATUS status;
 398         NTSTATUS result = NT_STATUS_OK;
 399         DATA_BLOB blob;
 400         size_t num_domains = 0;
 401         const char **trusted_domains = NULL;
 402         struct lsa_DomainList domain_list;
 403         struct dcerpc_binding_handle *h = NULL;
 404         struct policy_handle pol;
 405         uint32_t enum_ctx = 0;
 406         int i;
 407         uint32_t max_size = (uint32_t)-1;
 408
 409         DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
 410
 411         status = rpcint_binding_handle(p->mem_ctx,
 412                                        &ndr_table_lsarpc,
 413                                        p->remote_address,
 414                                        p->session_info,
 415                                        p->msg_ctx,
 416                                        &h);
 417         if (!NT_STATUS_IS_OK(status)) {
 418                 return status;
 419         }
 420
 421         status = dcerpc_lsa_open_policy2(h,
 422                                          p->mem_ctx,
 423                                          NULL,
 424                                          true,
 425                                          LSA_POLICY_VIEW_LOCAL_INFORMATION,
 426                                          &pol,
 427                                          &result);
 428         if (!NT_STATUS_IS_OK(status)) {
 429                 goto out;
 430         }
 431         if (!NT_STATUS_IS_OK(result)) {
 432                 status = result;
 433                 goto out;
 434         }
 435
 436         do {
 437                 /* Lookup list of trusted domains */
 438                 status = dcerpc_lsa_EnumTrustDom(h,
 439                                                  p->mem_ctx,
 440                                                  &pol,
 441                                                  &enum_ctx,
 442                                                  &domain_list,
 443                                                  max_size,
 444                                                  &result);
 445                 if (!NT_STATUS_IS_OK(status)) {
 446                         goto out;
 447                 }
 448                 if (!NT_STATUS_IS_OK(result) &&
 449                     !NT_STATUS_EQUAL(result, NT_STATUS_NO_MORE_ENTRIES) &&
 450                     !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
 451                         status = result;
 452                         goto out;
 453                 }
 454
 455                 for (i = 0; i < domain_list.count; i++) {
 456                         if (!add_string_to_array(p->mem_ctx, domain_list.domains[i].name.string,
 457                                                  &trusted_domains, &num_domains)) {
 458                                 status = NT_STATUS_NO_MEMORY;
 459                                 goto out;
 460                         }
 461                 }
 462         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 463
 464         if (num_domains > 0) {
 465                 /* multi sz terminate */
 466                 trusted_domains = talloc_realloc(p->mem_ctx, trusted_domains, const char *, num_domains + 1);
 467                 if (trusted_domains == NULL) {
 468                         status = NT_STATUS_NO_MEMORY;
 469                         goto out;
 470                 }
 471
 472                 trusted_domains[num_domains] = NULL;
 473         }
 474
 475         if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
 476                 TALLOC_FREE(trusted_domains);
 477                 status = NT_STATUS_NO_MEMORY;
 478                 goto out;
 479         }
 480
 481         r->out.trusted_domains_blob->data = blob.data;
 482         r->out.trusted_domains_blob->length = blob.length;
 483
 484         DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
 485
 486         status = NT_STATUS_OK;
 487
 488  out:
 489         if (is_valid_policy_hnd(&pol)) {
 490                 dcerpc_lsa_Close(h, p->mem_ctx, &pol, &result);
 491         }
 492
 493         return status;
 494 }
 495
 496 /*************************************************************************
 497  *************************************************************************/
 498
 499 static NTSTATUS samr_find_machine_account(TALLOC_CTX *mem_ctx,
 500                                           struct dcerpc_binding_handle *b,
 501                                           const char *account_name,
 502                                           uint32_t access_mask,
 503                                           struct dom_sid2 **domain_sid_p,
 504                                           uint32_t *user_rid_p,
 505                                           struct policy_handle *user_handle)
 506 {
 507         NTSTATUS status;
 508         NTSTATUS result = NT_STATUS_OK;
 509         struct policy_handle connect_handle;
 510         struct policy_handle domain_handle = { 0, };
 511         struct lsa_String domain_name;
 512         struct dom_sid2 *domain_sid;
 513         struct lsa_String names;
 514         struct samr_Ids rids;
 515         struct samr_Ids types;
 516         uint32_t rid;
 517
 518         status = dcerpc_samr_Connect2(b, mem_ctx,
 519                                       lp_netbios_name(),
 520                                       SAMR_ACCESS_CONNECT_TO_SERVER |
 521                                       SAMR_ACCESS_ENUM_DOMAINS |
 522                                       SAMR_ACCESS_LOOKUP_DOMAIN,
 523                                       &connect_handle,
 524                                       &result);
 525         if (!NT_STATUS_IS_OK(status)) {
 526                 goto out;
 527         }
 528         if (!NT_STATUS_IS_OK(result)) {
 529                 status = result;
 530                 goto out;
 531         }
 532
 533         init_lsa_String(&domain_name, get_global_sam_name());
 534
 535         status = dcerpc_samr_LookupDomain(b, mem_ctx,
 536                                           &connect_handle,
 537                                           &domain_name,
 538                                           &domain_sid,
 539                                           &result);
 540         if (!NT_STATUS_IS_OK(status)) {
 541                 goto out;
 542         }
 543         if (!NT_STATUS_IS_OK(result)) {
 544                 status = result;
 545                 goto out;
 546         }
 547
 548         status = dcerpc_samr_OpenDomain(b, mem_ctx,
 549                                         &connect_handle,
 550                                         SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
 551                                         domain_sid,
 552                                         &domain_handle,
 553                                         &result);
 554         if (!NT_STATUS_IS_OK(status)) {
 555                 goto out;
 556         }
 557         if (!NT_STATUS_IS_OK(result)) {
 558                 status = result;
 559                 goto out;
 560         }
 561
 562         init_lsa_String(&names, account_name);
 563
 564         status = dcerpc_samr_LookupNames(b, mem_ctx,
 565                                          &domain_handle,
 566                                          1,
 567                                          &names,
 568                                          &rids,
 569                                          &types,
 570                                          &result);
 571         if (!NT_STATUS_IS_OK(status)) {
 572                 goto out;
 573         }
 574         if (!NT_STATUS_IS_OK(result)) {
 575                 status = result;
 576                 goto out;
 577         }
 578
 579         if (rids.count != 1) {
 580                 status = NT_STATUS_NO_SUCH_USER;
 581                 goto out;
 582         }
 583         if (types.count != 1) {
 584                 status = NT_STATUS_INVALID_PARAMETER;
 585                 goto out;
 586         }
 587         if (types.ids[0] != SID_NAME_USER) {
 588                 status = NT_STATUS_NO_SUCH_USER;
 589                 goto out;
 590         }
 591
 592         rid = rids.ids[0];
 593
 594         status = dcerpc_samr_OpenUser(b, mem_ctx,
 595                                       &domain_handle,
 596                                       access_mask,
 597                                       rid,
 598                                       user_handle,
 599                                       &result);
 600         if (!NT_STATUS_IS_OK(status)) {
 601                 goto out;
 602         }
 603         if (!NT_STATUS_IS_OK(result)) {
 604                 status = result;
 605                 goto out;
 606         }
 607
 608         if (user_rid_p) {
 609                 *user_rid_p = rid;
 610         }
 611
 612         if (domain_sid_p) {
 613                 *domain_sid_p = domain_sid;
 614         }
 615
 616  out:
 617         if (is_valid_policy_hnd(&domain_handle)) {
 618                 dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
 619         }
 620         if (is_valid_policy_hnd(&connect_handle)) {
 621                 dcerpc_samr_Close(b, mem_ctx, &connect_handle, &result);
 622         }
 623
 624         return status;
 625 }
 626
 627 /******************************************************************
 628  gets a machine password entry.  checks access rights of the host.
 629  ******************************************************************/
 630
 631 static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
 632                           enum netr_SchannelType sec_chan_type,
 633                           struct dom_sid *sid,
 634                           struct messaging_context *msg_ctx)
 635 {
 636         NTSTATUS status;
 637         NTSTATUS result = NT_STATUS_OK;
 638         TALLOC_CTX *mem_ctx;
 639         struct dcerpc_binding_handle *h = NULL;
 640         struct tsocket_address *local;
 641         struct policy_handle user_handle;
 642         uint32_t user_rid;
 643         struct dom_sid *domain_sid;
 644         uint32_t acct_ctrl;
 645         union samr_UserInfo *info;
 646         struct auth_session_info *session_info;
 647         int rc;
 648
 649 #if 0
 650
 651     /*
 652      * Currently this code is redundant as we already have a filter
 653      * by hostname list. What this code really needs to do is to
 654      * get a hosts allowed/hosts denied list from the SAM database
 655      * on a per user basis, and make the access decision there.
 656      * I will leave this code here for now as a reminder to implement
 657      * this at a later date. JRA.
 658      */
 659
 660         if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
 661                           p->client_id.name,
 662                           p->client_id.addr)) {
 663                 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
 664                 return False;
 665         }
 666 #endif /* 0 */
 667
 668         mem_ctx = talloc_stackframe();
 669         if (mem_ctx == NULL) {
 670                 status = NT_STATUS_NO_MEMORY;
 671                 goto out;
 672         }
 673
 674         status = make_session_info_system(mem_ctx, &session_info);
 675         if (!NT_STATUS_IS_OK(status)) {
 676                 goto out;
 677         }
 678
 679         ZERO_STRUCT(user_handle);
 680
 681         rc = tsocket_address_inet_from_strings(mem_ctx,
 682                                                "ip",
 683                                                "127.0.0.1",
 684                                                0,
 685                                                &local);
 686         if (rc < 0) {
 687                 status = NT_STATUS_NO_MEMORY;
 688                 goto out;
 689         }
 690
 691         status = rpcint_binding_handle(mem_ctx,
 692                                        &ndr_table_samr,
 693                                        local,
 694                                        session_info,
 695                                        msg_ctx,
 696                                        &h);
 697         if (!NT_STATUS_IS_OK(status)) {
 698                 goto out;
 699         }
 700
 701         status = samr_find_machine_account(mem_ctx, h, mach_acct,
 702                                            SEC_FLAG_MAXIMUM_ALLOWED,
 703                                            &domain_sid, &user_rid,
 704                                            &user_handle);
 705         if (!NT_STATUS_IS_OK(status)) {
 706                 goto out;
 707         }
 708
 709         status = dcerpc_samr_QueryUserInfo2(h,
 710                                             mem_ctx,
 711                                             &user_handle,
 712                                             UserControlInformation,
 713                                             &info,
 714                                             &result);
 715         if (!NT_STATUS_IS_OK(status)) {
 716                 goto out;
 717         }
 718         if (!NT_STATUS_IS_OK(result)) {
 719                 status = result;
 720                 goto out;
 721         }
 722
 723         acct_ctrl = info->info16.acct_flags;
 724
 725         if (acct_ctrl & ACB_DISABLED) {
 726                 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
 727                 status = NT_STATUS_ACCOUNT_DISABLED;
 728                 goto out;
 729         }
 730
 731         if (!(acct_ctrl & ACB_SVRTRUST) &&
 732             !(acct_ctrl & ACB_WSTRUST) &&
 733             !(acct_ctrl & ACB_DOMTRUST))
 734         {
 735                 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
 736                 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 737                 goto out;
 738         }
 739
 740         switch (sec_chan_type) {
 741                 case SEC_CHAN_BDC:
 742                         if (!(acct_ctrl & ACB_SVRTRUST)) {
 743                                 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
 744                                          "but not a server trust account\n", mach_acct));
 745                                 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 746                                 goto out;
 747                         }
 748                         break;
 749                 case SEC_CHAN_WKSTA:
 750                         if (!(acct_ctrl & ACB_WSTRUST)) {
 751                                 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
 752                                          "but not a workstation trust account\n", mach_acct));
 753                                 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 754                                 goto out;
 755                         }
 756                         break;
 757                 case SEC_CHAN_DOMAIN:
 758                         if (!(acct_ctrl & ACB_DOMTRUST)) {
 759                                 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
 760                                          "but not a interdomain trust account\n", mach_acct));
 761                                 status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 762                                 goto out;
 763                         }
 764                         break;
 765                 default:
 766                         break;
 767         }
 768
 769         become_root();
 770         status = dcerpc_samr_QueryUserInfo2(h,
 771                                             mem_ctx,
 772                                             &user_handle,
 773                                             UserInternal1Information,
 774                                             &info,
 775                                             &result);
 776         unbecome_root();
 777         if (!NT_STATUS_IS_OK(status)) {
 778                 goto out;
 779         }
 780         if (!NT_STATUS_IS_OK(result)) {
 781                 status = result;
 782                 goto out;
 783         }
 784
 785         if (info->info18.nt_pwd_active == 0) {
 786                 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
 787                 status = NT_STATUS_LOGON_FAILURE;
 788                 goto out;
 789         }
 790
 791         /* samr gives out nthash unencrypted (!) */
 792         memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
 793
 794         sid_compose(sid, domain_sid, user_rid);
 795
 796  out:
 797         if (h && is_valid_policy_hnd(&user_handle)) {
 798                 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
 799         }
 800
 801         talloc_free(mem_ctx);
 802
 803         return status;
 804 }
 805
 806 /*************************************************************************
 807  _netr_ServerReqChallenge
 808  *************************************************************************/
 809
 810 NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
 811                                   struct netr_ServerReqChallenge *r)
 812 {
 813         struct netlogon_server_pipe_state *pipe_state =
 814                 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
 815
 816         if (pipe_state) {
 817                 DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
 818                 talloc_free(pipe_state);
 819                 p->private_data = NULL;
 820         }
 821
 822         pipe_state = talloc(p, struct netlogon_server_pipe_state);
 823         NT_STATUS_HAVE_NO_MEMORY(pipe_state);
 824
 825         pipe_state->client_challenge = *r->in.credentials;
 826
 827         generate_random_buffer(pipe_state->server_challenge.data,
 828                                sizeof(pipe_state->server_challenge.data));
 829
 830         *r->out.return_credentials = pipe_state->server_challenge;
 831
 832         p->private_data = pipe_state;
 833
 834         return NT_STATUS_OK;
 835 }
 836
 837 /*************************************************************************
 838  _netr_ServerAuthenticate
 839  Create the initial credentials.
 840  *************************************************************************/
 841
 842 NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
 843                                   struct netr_ServerAuthenticate *r)
 844 {
 845         struct netr_ServerAuthenticate3 a;
 846         uint32_t negotiate_flags = 0;
 847         uint32_t rid;
 848
 849         a.in.server_name                = r->in.server_name;
 850         a.in.account_name               = r->in.account_name;
 851         a.in.secure_channel_type        = r->in.secure_channel_type;
 852         a.in.computer_name              = r->in.computer_name;
 853         a.in.credentials                = r->in.credentials;
 854         a.in.negotiate_flags            = &negotiate_flags;
 855
 856         a.out.return_credentials        = r->out.return_credentials;
 857         a.out.rid                       = &rid;
 858         a.out.negotiate_flags           = &negotiate_flags;
 859
 860         return _netr_ServerAuthenticate3(p, &a);
 861
 862 }
 863
 864 /*************************************************************************
 865  _netr_ServerAuthenticate3
 866  *************************************************************************/
 867
 868 NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
 869                                    struct netr_ServerAuthenticate3 *r)
 870 {
 871         NTSTATUS status;
 872         uint32_t srv_flgs;
 873         /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
 874          * so use a copy to avoid destroying the client values. */
 875         uint32_t in_neg_flags = *r->in.negotiate_flags;
 876         const char *fn;
 877         struct loadparm_context *lp_ctx;
 878         struct dom_sid sid;
 879         struct samr_Password mach_pwd;
 880         struct netlogon_creds_CredentialState *creds;
 881         struct netlogon_server_pipe_state *pipe_state =
 882                 talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
 883
 884         /* According to Microsoft (see bugid #6099)
 885          * Windows 7 looks at the negotiate_flags
 886          * returned in this structure *even if the
 887          * call fails with access denied* ! So in order
 888          * to allow Win7 to connect to a Samba NT style
 889          * PDC we set the flags before we know if it's
 890          * an error or not.
 891          */
 892
 893         /* 0x000001ff */
 894         srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
 895                    NETLOGON_NEG_PERSISTENT_SAMREPL |
 896                    NETLOGON_NEG_ARCFOUR |
 897                    NETLOGON_NEG_PROMOTION_COUNT |
 898                    NETLOGON_NEG_CHANGELOG_BDC |
 899                    NETLOGON_NEG_FULL_SYNC_REPL |
 900                    NETLOGON_NEG_MULTIPLE_SIDS |
 901                    NETLOGON_NEG_REDO |
 902                    NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
 903                    NETLOGON_NEG_PASSWORD_SET2;
 904
 905         /* Ensure we support strong (128-bit) keys. */
 906         if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
 907                 srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
 908         }
 909
 910         if (in_neg_flags & NETLOGON_NEG_SUPPORTS_AES) {
 911                 srv_flgs |= NETLOGON_NEG_SUPPORTS_AES;
 912         }
 913
 914         if (lp_server_schannel() != false) {
 915                 srv_flgs |= NETLOGON_NEG_SCHANNEL;
 916         }
 917
 918         /*
 919          * Support authenticaten of trusted domains.
 920          *
 921          * These flags are the minimum required set which works with win2k3
 922          * and win2k8.
 923          */
 924         if (pdb_capabilities() & PDB_CAP_TRUSTED_DOMAINS_EX) {
 925                 srv_flgs |= NETLOGON_NEG_TRANSITIVE_TRUSTS |
 926                             NETLOGON_NEG_DNS_DOMAIN_TRUSTS |
 927                             NETLOGON_NEG_CROSS_FOREST_TRUSTS |
 928                             NETLOGON_NEG_NEUTRALIZE_NT4_EMULATION;
 929         }
 930
 931         switch (p->opnum) {
 932                 case NDR_NETR_SERVERAUTHENTICATE:
 933                         fn = "_netr_ServerAuthenticate";
 934                         break;
 935                 case NDR_NETR_SERVERAUTHENTICATE2:
 936                         fn = "_netr_ServerAuthenticate2";
 937                         break;
 938                 case NDR_NETR_SERVERAUTHENTICATE3:
 939                         fn = "_netr_ServerAuthenticate3";
 940                         break;
 941                 default:
 942                         return NT_STATUS_INTERNAL_ERROR;
 943         }
 944
 945         /* We use this as the key to store the creds: */
 946         /* r->in.computer_name */
 947
 948         if (!pipe_state) {
 949                 DEBUG(0,("%s: no challenge sent to client %s\n", fn,
 950                         r->in.computer_name));
 951                 status = NT_STATUS_ACCESS_DENIED;
 952                 goto out;
 953         }
 954
 955         if ( (lp_server_schannel() == true) &&
 956              ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
 957
 958                 /* schannel must be used, but client did not offer it. */
 959                 DEBUG(0,("%s: schannel required but client failed "
 960                         "to offer it. Client was %s\n",
 961                         fn, r->in.account_name));
 962                 status = NT_STATUS_ACCESS_DENIED;
 963                 goto out;
 964         }
 965
 966         status = get_md4pw(&mach_pwd,
 967                            r->in.account_name,
 968                            r->in.secure_channel_type,
 969                            &sid, p->msg_ctx);
 970         if (!NT_STATUS_IS_OK(status)) {
 971                 DEBUG(0,("%s: failed to get machine password for "
 972                         "account %s: %s\n",
 973                         fn, r->in.account_name, nt_errstr(status) ));
 974                 /* always return NT_STATUS_ACCESS_DENIED */
 975                 status = NT_STATUS_ACCESS_DENIED;
 976                 goto out;
 977         }
 978
 979         /* From the client / server challenges and md4 password, generate sess key */
 980         /* Check client credentials are valid. */
 981         creds = netlogon_creds_server_init(p->mem_ctx,
 982                                            r->in.account_name,
 983                                            r->in.computer_name,
 984                                            r->in.secure_channel_type,
 985                                            &pipe_state->client_challenge,
 986                                            &pipe_state->server_challenge,
 987                                            &mach_pwd,
 988                                            r->in.credentials,
 989                                            r->out.return_credentials,
 990                                            srv_flgs);
 991         if (!creds) {
 992                 DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
 993                         "request from client %s machine account %s\n",
 994                         fn, r->in.computer_name,
 995                         r->in.account_name));
 996                 status = NT_STATUS_ACCESS_DENIED;
 997                 goto out;
 998         }
 999
1000         creds->sid = dom_sid_dup(creds, &sid);
1001         if (!creds->sid) {
1002                 status = NT_STATUS_NO_MEMORY;
1003                 goto out;
1004         }
1005
1006         lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
1007         if (lp_ctx == NULL) {
1008                 DEBUG(10, ("loadparm_init_s3 failed\n"));
1009                 status = NT_STATUS_INTERNAL_ERROR;
1010                 goto out;
1011         }
1012
1013         /* Store off the state so we can continue after client disconnect. */
1014         become_root();
1015         status = schannel_save_creds_state(p->mem_ctx, lp_ctx, creds);
1016         unbecome_root();
1017
1018         talloc_unlink(p->mem_ctx, lp_ctx);
1019
1020         if (!NT_STATUS_IS_OK(status)) {
1021                 ZERO_STRUCTP(r->out.return_credentials);
1022                 goto out;
1023         }
1024
1025         sid_peek_rid(&sid, r->out.rid);
1026
1027         status = NT_STATUS_OK;
1028
1029   out:
1030
1031         *r->out.negotiate_flags = srv_flgs;
1032         return status;
1033 }
1034
1035 /*************************************************************************
1036  _netr_ServerAuthenticate2
1037  *************************************************************************/
1038
1039 NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
1040                                    struct netr_ServerAuthenticate2 *r)
1041 {
1042         struct netr_ServerAuthenticate3 a;
1043         uint32_t rid;
1044
1045         a.in.server_name                = r->in.server_name;
1046         a.in.account_name               = r->in.account_name;
1047         a.in.secure_channel_type        = r->in.secure_channel_type;
1048         a.in.computer_name              = r->in.computer_name;
1049         a.in.credentials                = r->in.credentials;
1050         a.in.negotiate_flags            = r->in.negotiate_flags;
1051
1052         a.out.return_credentials        = r->out.return_credentials;
1053         a.out.rid                       = &rid;
1054         a.out.negotiate_flags           = r->out.negotiate_flags;
1055
1056         return _netr_ServerAuthenticate3(p, &a);
1057 }
1058
1059 /*************************************************************************
1060  * If schannel is required for this call test that it actually is available.
1061  *************************************************************************/
1062 static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
1063                                         const char *computer_name,
1064                                         bool integrity, bool privacy)
1065 {
1066         if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
1067                 if (!privacy && !integrity) {
1068                         return NT_STATUS_OK;
1069                 }
1070
1071                 if ((!privacy && integrity) &&
1072                     auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
1073                         return NT_STATUS_OK;
1074                 }
1075
1076                 if ((privacy || integrity) &&
1077                     auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
1078                         return NT_STATUS_OK;
1079                 }
1080         }
1081
1082         /* test didn't pass */
1083         DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
1084                   computer_name));
1085
1086         return NT_STATUS_ACCESS_DENIED;
1087 }
1088
1089 /*************************************************************************
1090  *************************************************************************/
1091
1092 static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
1093                                              TALLOC_CTX *mem_ctx,
1094                                              const char *computer_name,
1095                                              struct netr_Authenticator *received_authenticator,
1096                                              struct netr_Authenticator *return_authenticator,
1097                                              struct netlogon_creds_CredentialState **creds_out)
1098 {
1099         NTSTATUS status;
1100         bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
1101         struct loadparm_context *lp_ctx;
1102
1103         if (schannel_global_required) {
1104                 status = schannel_check_required(&p->auth,
1105                                                  computer_name,
1106                                                  false, false);
1107                 if (!NT_STATUS_IS_OK(status)) {
1108                         return status;
1109                 }
1110         }
1111
1112         lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_helpers());
1113         if (lp_ctx == NULL) {
1114                 DEBUG(0, ("loadparm_init_s3 failed\n"));
1115                 return NT_STATUS_INTERNAL_ERROR;
1116         }
1117
1118         status = schannel_check_creds_state(mem_ctx, lp_ctx,
1119                                             computer_name, received_authenticator,
1120                                             return_authenticator, creds_out);
1121         talloc_unlink(mem_ctx, lp_ctx);
1122         return status;
1123 }
1124
1125 /*************************************************************************
1126  *************************************************************************/
1127
1128 static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
1129                                                   struct auth_session_info *session_info,
1130                                                   struct messaging_context *msg_ctx,
1131                                                   const char *account_name,
1132                                                   struct samr_Password *nt_hash)
1133 {
1134         NTSTATUS status;
1135         NTSTATUS result = NT_STATUS_OK;
1136         struct dcerpc_binding_handle *h = NULL;
1137         struct tsocket_address *local;
1138         struct policy_handle user_handle;
1139         uint32_t acct_ctrl;
1140         union samr_UserInfo *info;
1141         struct samr_UserInfo18 info18;
1142         DATA_BLOB in,out;
1143         int rc;
1144         DATA_BLOB session_key;
1145
1146         ZERO_STRUCT(user_handle);
1147
1148         status = session_extract_session_key(session_info,
1149                                              &session_key,
1150                                              KEY_USE_16BYTES);
1151         if (!NT_STATUS_IS_OK(status)) {
1152                 goto out;
1153         }
1154
1155         rc = tsocket_address_inet_from_strings(mem_ctx,
1156                                                "ip",
1157                                                "127.0.0.1",
1158                                                0,
1159                                                &local);
1160         if (rc < 0) {
1161                 status = NT_STATUS_NO_MEMORY;
1162                 goto out;
1163         }
1164
1165         status = rpcint_binding_handle(mem_ctx,
1166                                        &ndr_table_samr,
1167                                        local,
1168                                        session_info,
1169                                        msg_ctx,
1170                                        &h);
1171         if (!NT_STATUS_IS_OK(status)) {
1172                 goto out;
1173         }
1174
1175         become_root();
1176         status = samr_find_machine_account(mem_ctx,
1177                                            h,
1178                                            account_name,
1179                                            SEC_FLAG_MAXIMUM_ALLOWED,
1180                                            NULL,
1181                                            NULL,
1182                                            &user_handle);
1183         unbecome_root();
1184         if (!NT_STATUS_IS_OK(status)) {
1185                 goto out;
1186         }
1187
1188         status = dcerpc_samr_QueryUserInfo2(h,
1189                                             mem_ctx,
1190                                             &user_handle,
1191                                             UserControlInformation,
1192                                             &info,
1193                                             &result);
1194         if (!NT_STATUS_IS_OK(status)) {
1195                 goto out;
1196         }
1197         if (!NT_STATUS_IS_OK(result)) {
1198                 status = result;
1199                 goto out;
1200         }
1201
1202         acct_ctrl = info->info16.acct_flags;
1203
1204         if (!(acct_ctrl & ACB_WSTRUST ||
1205               acct_ctrl & ACB_SVRTRUST ||
1206               acct_ctrl & ACB_DOMTRUST)) {
1207                 status = NT_STATUS_NO_SUCH_USER;
1208                 goto out;
1209         }
1210
1211         if (acct_ctrl & ACB_DISABLED) {
1212                 status = NT_STATUS_ACCOUNT_DISABLED;
1213                 goto out;
1214         }
1215
1216         ZERO_STRUCT(info18);
1217
1218         in = data_blob_const(nt_hash->hash, 16);
1219         out = data_blob_talloc_zero(mem_ctx, 16);
1220         sess_crypt_blob(&out, &in, &session_key, true);
1221         memcpy(info18.nt_pwd.hash, out.data, out.length);
1222
1223         info18.nt_pwd_active = true;
1224
1225         info->info18 = info18;
1226
1227         become_root();
1228         status = dcerpc_samr_SetUserInfo2(h,
1229                                           mem_ctx,
1230                                           &user_handle,
1231                                           UserInternal1Information,
1232                                           info,
1233                                           &result);
1234         unbecome_root();
1235         if (!NT_STATUS_IS_OK(status)) {
1236                 goto out;
1237         }
1238         if (!NT_STATUS_IS_OK(result)) {
1239                 status = result;
1240                 goto out;
1241         }
1242
1243  out:
1244         if (h && is_valid_policy_hnd(&user_handle)) {
1245                 dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
1246         }
1247
1248         return status;
1249 }
1250
1251 /*************************************************************************
1252  _netr_ServerPasswordSet
1253  *************************************************************************/
1254
1255 NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
1256                                  struct netr_ServerPasswordSet *r)
1257 {
1258         NTSTATUS status = NT_STATUS_OK;
1259         int i;
1260         struct netlogon_creds_CredentialState *creds;
1261
1262         DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
1263
1264         become_root();
1265         status = netr_creds_server_step_check(p, p->mem_ctx,
1266                                               r->in.computer_name,
1267                                               r->in.credential,
1268                                               r->out.return_authenticator,
1269                                               &creds);
1270         unbecome_root();
1271
1272         if (!NT_STATUS_IS_OK(status)) {
1273                 DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
1274                         "request from client %s machine account %s\n",
1275                         r->in.computer_name, creds->computer_name));
1276                 TALLOC_FREE(creds);
1277                 return status;
1278         }
1279
1280         DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
1281                         r->in.computer_name, creds->computer_name));
1282
1283         netlogon_creds_des_decrypt(creds, r->in.new_password);
1284
1285         DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
1286         for(i = 0; i < sizeof(r->in.new_password->hash); i++)
1287                 DEBUG(100,("%02X ", r->in.new_password->hash[i]));
1288         DEBUG(100,("\n"));
1289
1290         status = netr_set_machine_account_password(p->mem_ctx,
1291                                                    p->session_info,
1292                                                    p->msg_ctx,
1293                                                    creds->account_name,
1294                                                    r->in.new_password);
1295         return status;
1296 }
1297
1298 /****************************************************************
1299  _netr_ServerPasswordSet2
1300 ****************************************************************/
1301
1302 NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
1303                                   struct netr_ServerPasswordSet2 *r)
1304 {
1305         NTSTATUS status;
1306         struct netlogon_creds_CredentialState *creds = NULL;
1307         DATA_BLOB plaintext;
1308         struct samr_CryptPassword password_buf;
1309         struct samr_Password nt_hash;
1310
1311         become_root();
1312         status = netr_creds_server_step_check(p, p->mem_ctx,
1313                                               r->in.computer_name,
1314                                               r->in.credential,
1315                                               r->out.return_authenticator,
1316                                               &creds);
1317         unbecome_root();
1318
1319         if (!NT_STATUS_IS_OK(status)) {
1320                 const char *computer_name = "<unknown>";
1321
1322                 if (creds && creds->computer_name) {
1323                         computer_name = creds->computer_name;
1324                 }
1325                 DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
1326                         "failed. Rejecting auth request from client %s machine account %s\n",
1327                         r->in.computer_name, computer_name));
1328                 TALLOC_FREE(creds);
1329                 return status;
1330         }
1331
1332         memcpy(password_buf.data, r->in.new_password->data, 512);
1333         SIVAL(password_buf.data, 512, r->in.new_password->length);
1334
1335         if (creds->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
1336                 netlogon_creds_aes_decrypt(creds, password_buf.data, 516);
1337         } else {
1338                 netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
1339         }
1340
1341         if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
1342                 TALLOC_FREE(creds);
1343                 return NT_STATUS_WRONG_PASSWORD;
1344         }
1345
1346         mdfour(nt_hash.hash, plaintext.data, plaintext.length);
1347
1348         status = netr_set_machine_account_password(p->mem_ctx,
1349                                                    p->session_info,
1350                                                    p->msg_ctx,
1351                                                    creds->account_name,
1352                                                    &nt_hash);
1353         TALLOC_FREE(creds);
1354         return status;
1355 }
1356
1357 /*************************************************************************
1358  _netr_LogonSamLogoff
1359  *************************************************************************/
1360
1361 NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
1362                               struct netr_LogonSamLogoff *r)
1363 {
1364         NTSTATUS status;
1365         struct netlogon_creds_CredentialState *creds;
1366
1367         become_root();
1368         status = netr_creds_server_step_check(p, p->mem_ctx,
1369                                               r->in.computer_name,
1370                                               r->in.credential,
1371                                               r->out.return_authenticator,
1372                                               &creds);
1373         unbecome_root();
1374
1375         return status;
1376 }
1377
1378 static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
1379 {
1380         switch (r->in.logon_level) {
1381         case NetlogonInteractiveInformation:
1382         case NetlogonServiceInformation:
1383         case NetlogonInteractiveTransitiveInformation:
1384         case NetlogonServiceTransitiveInformation:
1385                 if (r->in.logon->password == NULL) {
1386                         return NT_STATUS_INVALID_PARAMETER;
1387                 }
1388
1389                 switch (r->in.validation_level) {
1390                 case NetlogonValidationSamInfo:  /* 2 */
1391                 case NetlogonValidationSamInfo2: /* 3 */
1392                         break;
1393                 case NetlogonValidationSamInfo4: /* 6 */
1394                         if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1395                                 DEBUG(10,("Not adding validation info level 6 "
1396                                    "without ADS passdb backend\n"));
1397                                 return NT_STATUS_INVALID_INFO_CLASS;
1398                         }
1399                         break;
1400                 default:
1401                         return NT_STATUS_INVALID_INFO_CLASS;
1402                 }
1403
1404                 break;
1405         case NetlogonNetworkInformation:
1406         case NetlogonNetworkTransitiveInformation:
1407                 if (r->in.logon->network == NULL) {
1408                         return NT_STATUS_INVALID_PARAMETER;
1409                 }
1410
1411                 switch (r->in.validation_level) {
1412                 case NetlogonValidationSamInfo:  /* 2 */
1413                 case NetlogonValidationSamInfo2: /* 3 */
1414                         break;
1415                 case NetlogonValidationSamInfo4: /* 6 */
1416                         if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
1417                                 DEBUG(10,("Not adding validation info level 6 "
1418                                    "without ADS passdb backend\n"));
1419                                 return NT_STATUS_INVALID_INFO_CLASS;
1420                         }
1421                         break;
1422                 default:
1423                         return NT_STATUS_INVALID_INFO_CLASS;
1424                 }
1425
1426                 break;
1427
1428         case NetlogonGenericInformation:
1429                 if (r->in.logon->generic == NULL) {
1430                         return NT_STATUS_INVALID_PARAMETER;
1431                 }
1432
1433                 /* we don't support this here */
1434                 return NT_STATUS_INVALID_PARAMETER;
1435 #if 0
1436                 switch (r->in.validation_level) {
1437                 /* TODO: case NetlogonValidationGenericInfo: 4 */
1438                 case NetlogonValidationGenericInfo2: /* 5 */
1439                         break;
1440                 default:
1441                         return NT_STATUS_INVALID_INFO_CLASS;
1442                 }
1443
1444                 break;
1445 #endif
1446         default:
1447                 return NT_STATUS_INVALID_PARAMETER;
1448         }
1449
1450         return NT_STATUS_OK;
1451 }
1452
1453 /*************************************************************************
1454  _netr_LogonSamLogon_base
1455  *************************************************************************/
1456
1457 static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
1458                                          struct netr_LogonSamLogonEx *r,
1459                                          struct netlogon_creds_CredentialState *creds)
1460 {
1461         NTSTATUS status = NT_STATUS_OK;
1462         union netr_LogonLevel *logon = r->in.logon;
1463         const char *nt_username, *nt_domain, *nt_workstation;
1464         struct auth_usersupplied_info *user_info = NULL;
1465         struct auth_serversupplied_info *server_info = NULL;
1466         struct auth_context *auth_context = NULL;
1467         const char *fn;
1468
1469 #ifdef DEBUG_PASSWORD
1470         logon = netlogon_creds_shallow_copy_logon(p->mem_ctx,
1471                                                   r->in.logon_level,
1472                                                   r->in.logon);
1473         if (logon == NULL) {
1474                 logon = r->in.logon;
1475         }
1476 #endif
1477
1478         switch (p->opnum) {
1479                 case NDR_NETR_LOGONSAMLOGON:
1480                         fn = "_netr_LogonSamLogon";
1481                         break;
1482                 case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
1483                         fn = "_netr_LogonSamLogonWithFlags";
1484                         break;
1485                 case NDR_NETR_LOGONSAMLOGONEX:
1486                         fn = "_netr_LogonSamLogonEx";
1487                         break;
1488                 default:
1489                         return NT_STATUS_INTERNAL_ERROR;
1490         }
1491
1492         *r->out.authoritative = true; /* authoritative response */
1493
1494         switch (r->in.validation_level) {
1495         case 2:
1496                 r->out.validation->sam2 = talloc_zero(p->mem_ctx, struct netr_SamInfo2);
1497                 if (!r->out.validation->sam2) {
1498                         return NT_STATUS_NO_MEMORY;
1499                 }
1500                 break;
1501         case 3:
1502                 r->out.validation->sam3 = talloc_zero(p->mem_ctx, struct netr_SamInfo3);
1503                 if (!r->out.validation->sam3) {
1504                         return NT_STATUS_NO_MEMORY;
1505                 }
1506                 break;
1507         case 6:
1508                 r->out.validation->sam6 = talloc_zero(p->mem_ctx, struct netr_SamInfo6);
1509                 if (!r->out.validation->sam6) {
1510                         return NT_STATUS_NO_MEMORY;
1511                 }
1512                 break;
1513         default:
1514                 DEBUG(0,("%s: bad validation_level value %d.\n",
1515                         fn, (int)r->in.validation_level));
1516                 return NT_STATUS_INVALID_INFO_CLASS;
1517         }
1518
1519         switch (r->in.logon_level) {
1520         case NetlogonInteractiveInformation:
1521         case NetlogonServiceInformation:
1522         case NetlogonInteractiveTransitiveInformation:
1523         case NetlogonServiceTransitiveInformation:
1524                 nt_username     = logon->password->identity_info.account_name.string ?
1525                                   logon->password->identity_info.account_name.string : "";
1526                 nt_domain       = logon->password->identity_info.domain_name.string ?
1527                                   logon->password->identity_info.domain_name.string : "";
1528                 nt_workstation  = logon->password->identity_info.workstation.string ?
1529                                   logon->password->identity_info.workstation.string : "";
1530
1531                 DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", lp_workgroup()));
1532                 break;
1533         case NetlogonNetworkInformation:
1534         case NetlogonNetworkTransitiveInformation:
1535                 nt_username     = logon->network->identity_info.account_name.string ?
1536                                   logon->network->identity_info.account_name.string : "";
1537                 nt_domain       = logon->network->identity_info.domain_name.string ?
1538                                   logon->network->identity_info.domain_name.string : "";
1539                 nt_workstation  = logon->network->identity_info.workstation.string ?
1540                                   logon->network->identity_info.workstation.string : "";
1541
1542                 DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", lp_workgroup()));
1543                 break;
1544         default:
1545                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1546                 return NT_STATUS_INVALID_INFO_CLASS;
1547         } /* end switch */
1548
1549         DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
1550         fstrcpy(current_user_info.smb_name, nt_username);
1551         sub_set_smb_name(nt_username);
1552
1553         DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
1554                 r->in.validation_level, nt_username));
1555
1556         status = NT_STATUS_OK;
1557
1558         netlogon_creds_decrypt_samlogon_logon(creds,
1559                                               r->in.logon_level,
1560                                               logon);
1561
1562         switch (r->in.logon_level) {
1563         case NetlogonNetworkInformation:
1564         case NetlogonNetworkTransitiveInformation:
1565         {
1566                 const char *wksname = nt_workstation;
1567
1568                 status = make_auth_context_fixed(talloc_tos(), &auth_context,
1569                                                  logon->network->challenge);
1570                 if (!NT_STATUS_IS_OK(status)) {
1571                         return status;
1572                 }
1573
1574                 /* For a network logon, the workstation name comes in with two
1575                  * backslashes in the front. Strip them if they are there. */
1576
1577                 if (*wksname == '\\') wksname++;
1578                 if (*wksname == '\\') wksname++;
1579
1580                 /* Standard challenge/response authentication */
1581                 if (!make_user_info_netlogon_network(talloc_tos(),
1582                                                      &user_info,
1583                                                      nt_username, nt_domain,
1584                                                      wksname,
1585                                                      p->remote_address,
1586                                                      logon->network->identity_info.parameter_control,
1587                                                      logon->network->lm.data,
1588                                                      logon->network->lm.length,
1589                                                      logon->network->nt.data,
1590                                                      logon->network->nt.length)) {
1591                         status = NT_STATUS_NO_MEMORY;
1592                 }
1593                 break;
1594         }
1595         case NetlogonInteractiveInformation:
1596         case NetlogonServiceInformation:
1597         case NetlogonInteractiveTransitiveInformation:
1598         case NetlogonServiceTransitiveInformation:
1599
1600                 /* 'Interactive' authentication, supplies the password in its
1601                    MD4 form, encrypted with the session key.  We will convert
1602                    this to challenge/response for the auth subsystem to chew
1603                    on */
1604         {
1605                 uint8_t chal[8];
1606
1607 #ifdef DEBUG_PASSWORD
1608                 if (logon != r->in.logon) {
1609                         DEBUG(100,("lm owf password:"));
1610                         dump_data(100,
1611                                   r->in.logon->password->lmpassword.hash, 16);
1612
1613                         DEBUG(100,("nt owf password:"));
1614                         dump_data(100,
1615                                   r->in.logon->password->ntpassword.hash, 16);
1616                 }
1617
1618                 DEBUG(100,("decrypt of lm owf password:"));
1619                 dump_data(100, logon->password->lmpassword.hash, 16);
1620
1621                 DEBUG(100,("decrypt of nt owf password:"));
1622                 dump_data(100, logon->password->ntpassword.hash, 16);
1623 #endif
1624                 status = make_auth_context_subsystem(talloc_tos(),
1625                                                      &auth_context);
1626                 if (!NT_STATUS_IS_OK(status)) {
1627                         return status;
1628                 }
1629
1630                 auth_get_ntlm_challenge(auth_context, chal);
1631
1632                 if (!make_user_info_netlogon_interactive(talloc_tos(),
1633                                                          &user_info,
1634                                                          nt_username, nt_domain,
1635                                                          nt_workstation,
1636                                                          p->remote_address,
1637                                                          logon->password->identity_info.parameter_control,
1638                                                          chal,
1639                                                          logon->password->lmpassword.hash,
1640                                                          logon->password->ntpassword.hash)) {
1641                         status = NT_STATUS_NO_MEMORY;
1642                 }
1643                 break;
1644         }
1645         default:
1646                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
1647                 return NT_STATUS_INVALID_INFO_CLASS;
1648         } /* end switch */
1649
1650         if ( NT_STATUS_IS_OK(status) ) {
1651                 status = auth_check_ntlm_password(p->mem_ctx,
1652                                                   auth_context,
1653                                                   user_info,
1654                                                   &server_info);
1655         }
1656
1657         TALLOC_FREE(auth_context);
1658         TALLOC_FREE(user_info);
1659
1660         DEBUG(5,("%s: check_password returned status %s\n",
1661                   fn, nt_errstr(status)));
1662
1663         /* Check account and password */
1664
1665         if (!NT_STATUS_IS_OK(status)) {
1666                 /* If we don't know what this domain is, we need to
1667                    indicate that we are not authoritative.  This
1668                    allows the client to decide if it needs to try
1669                    a local user.  Fix by jpjanosi@us.ibm.com, #2976 */
1670                 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
1671                      && !strequal(nt_domain, get_global_sam_name())
1672                      && !is_trusted_domain(nt_domain) )
1673                         *r->out.authoritative = false; /* We are not authoritative */
1674
1675                 TALLOC_FREE(server_info);
1676                 return status;
1677         }
1678
1679         if (server_info->guest) {
1680                 /* We don't like guest domain logons... */
1681                 DEBUG(5,("%s: Attempted domain logon as GUEST "
1682                          "denied.\n", fn));
1683                 TALLOC_FREE(server_info);
1684                 return NT_STATUS_LOGON_FAILURE;
1685         }
1686
1687         /* This is the point at which, if the login was successful, that
1688            the SAM Local Security Authority should record that the user is
1689            logged in to the domain.  */
1690
1691         switch (r->in.validation_level) {
1692         case 2:
1693                 status = serverinfo_to_SamInfo2(server_info,
1694                                                 r->out.validation->sam2);
1695                 break;
1696         case 3:
1697                 status = serverinfo_to_SamInfo3(server_info,
1698                                                 r->out.validation->sam3);
1699                 break;
1700         case 6:
1701                 status = serverinfo_to_SamInfo6(server_info,
1702                                                 r->out.validation->sam6);
1703                 break;
1704         }
1705
1706         TALLOC_FREE(server_info);
1707
1708         if (!NT_STATUS_IS_OK(status)) {
1709                 return status;
1710         }
1711
1712         netlogon_creds_encrypt_samlogon_validation(creds,
1713                                                    r->in.validation_level,
1714                                                    r->out.validation);
1715         return NT_STATUS_OK;
1716 }
1717
1718 /****************************************************************
1719  _netr_LogonSamLogonWithFlags
1720 ****************************************************************/
1721
1722 NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
1723                                       struct netr_LogonSamLogonWithFlags *r)
1724 {
1725         NTSTATUS status;
1726         struct netlogon_creds_CredentialState *creds;
1727         struct netr_LogonSamLogonEx r2;
1728         struct netr_Authenticator return_authenticator;
1729
1730         *r->out.authoritative = true;
1731
1732         r2.in.server_name       = r->in.server_name;
1733         r2.in.computer_name     = r->in.computer_name;
1734         r2.in.logon_level       = r->in.logon_level;
1735         r2.in.logon             = r->in.logon;
1736         r2.in.validation_level  = r->in.validation_level;
1737         r2.in.flags             = r->in.flags;
1738         r2.out.validation       = r->out.validation;
1739         r2.out.authoritative    = r->out.authoritative;
1740         r2.out.flags            = r->out.flags;
1741
1742         status = _netr_LogonSamLogon_check(&r2);
1743         if (!NT_STATUS_IS_OK(status)) {
1744                 return status;
1745         }
1746
1747         become_root();
1748         status = netr_creds_server_step_check(p, p->mem_ctx,
1749                                               r->in.computer_name,
1750                                               r->in.credential,
1751                                               &return_authenticator,
1752                                               &creds);
1753         unbecome_root();
1754         if (!NT_STATUS_IS_OK(status)) {
1755                 return status;
1756         }
1757
1758         status = _netr_LogonSamLogon_base(p, &r2, creds);
1759
1760         *r->out.return_authenticator = return_authenticator;
1761
1762         return status;
1763 }
1764
1765 /*************************************************************************
1766  _netr_LogonSamLogon
1767  *************************************************************************/
1768
1769 NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
1770                              struct netr_LogonSamLogon *r)
1771 {
1772         NTSTATUS status;
1773         struct netr_LogonSamLogonWithFlags r2;
1774         uint32_t flags = 0;
1775
1776         r2.in.server_name               = r->in.server_name;
1777         r2.in.computer_name             = r->in.computer_name;
1778         r2.in.credential                = r->in.credential;
1779         r2.in.logon_level               = r->in.logon_level;
1780         r2.in.logon                     = r->in.logon;
1781         r2.in.validation_level          = r->in.validation_level;
1782         r2.in.return_authenticator      = r->in.return_authenticator;
1783         r2.in.flags                     = &flags;
1784         r2.out.validation               = r->out.validation;
1785         r2.out.authoritative            = r->out.authoritative;
1786         r2.out.flags                    = &flags;
1787         r2.out.return_authenticator     = r->out.return_authenticator;
1788
1789         status = _netr_LogonSamLogonWithFlags(p, &r2);
1790
1791         return status;
1792 }
1793
1794 /*************************************************************************
1795  _netr_LogonSamLogonEx
1796  - no credential chaining. Map into net sam logon.
1797  *************************************************************************/
1798
1799 NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
1800                                struct netr_LogonSamLogonEx *r)
1801 {
1802         NTSTATUS status;
1803         struct netlogon_creds_CredentialState *creds = NULL;
1804         struct loadparm_context *lp_ctx;
1805
1806         *r->out.authoritative = true;
1807
1808         status = _netr_LogonSamLogon_check(r);
1809         if (!NT_STATUS_IS_OK(status)) {
1810                 return status;
1811         }
1812
1813         /* Only allow this if the pipe is protected. */
1814         if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
1815                 DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
1816                         get_remote_machine_name() ));
1817                 return NT_STATUS_INVALID_PARAMETER;
1818         }
1819
1820         lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
1821         if (lp_ctx == NULL) {
1822                 DEBUG(0, ("loadparm_init_s3 failed\n"));
1823                 return NT_STATUS_INTERNAL_ERROR;
1824         }
1825
1826         become_root();
1827         status = schannel_get_creds_state(p->mem_ctx, lp_ctx,
1828                                           r->in.computer_name, &creds);
1829         unbecome_root();
1830         talloc_unlink(p->mem_ctx, lp_ctx);
1831
1832         if (!NT_STATUS_IS_OK(status)) {
1833                 return status;
1834         }
1835
1836         status = _netr_LogonSamLogon_base(p, r, creds);
1837         TALLOC_FREE(creds);
1838
1839         return status;
1840 }
1841
1842 /*************************************************************************
1843  _ds_enum_dom_trusts
1844  *************************************************************************/
1845 #if 0   /* JERRY -- not correct */
1846  NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1847                              DS_R_ENUM_DOM_TRUSTS *r_u)
1848 {
1849         NTSTATUS status = NT_STATUS_OK;
1850
1851         /* TODO: According to MSDN, the can only be executed against a
1852            DC or domain member running Windows 2000 or later.  Need
1853            to test against a standalone 2k server and see what it
1854            does.  A windows 2000 DC includes its own domain in the
1855            list.  --jerry */
1856
1857         return status;
1858 }
1859 #endif  /* JERRY */
1860
1861
1862 /****************************************************************
1863 ****************************************************************/
1864
1865 WERROR _netr_LogonUasLogon(struct pipes_struct *p,
1866                            struct netr_LogonUasLogon *r)
1867 {
1868         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1869         return WERR_NOT_SUPPORTED;
1870 }
1871
1872 /****************************************************************
1873 ****************************************************************/
1874
1875 WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
1876                             struct netr_LogonUasLogoff *r)
1877 {
1878         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1879         return WERR_NOT_SUPPORTED;
1880 }
1881
1882 /****************************************************************
1883 ****************************************************************/
1884
1885 NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
1886                               struct netr_DatabaseDeltas *r)
1887 {
1888         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1889         return NT_STATUS_NOT_IMPLEMENTED;
1890 }
1891
1892 /****************************************************************
1893 ****************************************************************/
1894
1895 NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
1896                             struct netr_DatabaseSync *r)
1897 {
1898         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1899         return NT_STATUS_NOT_IMPLEMENTED;
1900 }
1901
1902 /****************************************************************
1903 ****************************************************************/
1904
1905 NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
1906                              struct netr_AccountDeltas *r)
1907 {
1908         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1909         return NT_STATUS_NOT_IMPLEMENTED;
1910 }
1911
1912 /****************************************************************
1913 ****************************************************************/
1914
1915 NTSTATUS _netr_AccountSync(struct pipes_struct *p,
1916                            struct netr_AccountSync *r)
1917 {
1918         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1919         return NT_STATUS_NOT_IMPLEMENTED;
1920 }
1921
1922 /****************************************************************
1923 ****************************************************************/
1924
1925 static bool wb_getdcname(TALLOC_CTX *mem_ctx,
1926                          const char *domain,
1927                          const char **dcname,
1928                          uint32_t flags,
1929                          WERROR *werr)
1930 {
1931         wbcErr result;
1932         struct wbcDomainControllerInfo *dc_info = NULL;
1933
1934         result = wbcLookupDomainController(domain,
1935                                            flags,
1936                                            &dc_info);
1937         switch (result) {
1938         case WBC_ERR_SUCCESS:
1939                 break;
1940         case WBC_ERR_WINBIND_NOT_AVAILABLE:
1941                 return false;
1942         case WBC_ERR_DOMAIN_NOT_FOUND:
1943                 *werr = WERR_NO_SUCH_DOMAIN;
1944                 return true;
1945         default:
1946                 *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1947                 return true;
1948         }
1949
1950         *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
1951         wbcFreeMemory(dc_info);
1952         if (!*dcname) {
1953                 *werr = WERR_NOMEM;
1954                 return false;
1955         }
1956
1957         *werr = WERR_OK;
1958
1959         return true;
1960 }
1961
1962 /****************************************************************
1963  _netr_GetDcName
1964 ****************************************************************/
1965
1966 WERROR _netr_GetDcName(struct pipes_struct *p,
1967                        struct netr_GetDcName *r)
1968 {
1969         NTSTATUS status;
1970         WERROR werr;
1971         uint32_t flags;
1972         struct netr_DsRGetDCNameInfo *info;
1973         bool ret;
1974
1975         ret = wb_getdcname(p->mem_ctx,
1976                            r->in.domainname,
1977                            r->out.dcname,
1978                            WBC_LOOKUP_DC_IS_FLAT_NAME |
1979                            WBC_LOOKUP_DC_RETURN_FLAT_NAME |
1980                            WBC_LOOKUP_DC_PDC_REQUIRED,
1981                            &werr);
1982         if (ret == true) {
1983                 return werr;
1984         }
1985
1986         flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
1987
1988         status = dsgetdcname(p->mem_ctx,
1989                              p->msg_ctx,
1990                              r->in.domainname,
1991                              NULL,
1992                              NULL,
1993                              flags,
1994                              &info);
1995         if (!NT_STATUS_IS_OK(status)) {
1996                 return ntstatus_to_werror(status);
1997         }
1998
1999         *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2000         talloc_free(info);
2001         if (!*r->out.dcname) {
2002                 return WERR_NOMEM;
2003         }
2004
2005         return WERR_OK;
2006 }
2007
2008 /****************************************************************
2009  _netr_GetAnyDCName
2010 ****************************************************************/
2011
2012 WERROR _netr_GetAnyDCName(struct pipes_struct *p,
2013                           struct netr_GetAnyDCName *r)
2014 {
2015         NTSTATUS status;
2016         WERROR werr;
2017         uint32_t flags;
2018         struct netr_DsRGetDCNameInfo *info;
2019         bool ret;
2020
2021         ret = wb_getdcname(p->mem_ctx,
2022                            r->in.domainname,
2023                            r->out.dcname,
2024                            WBC_LOOKUP_DC_IS_FLAT_NAME |
2025                            WBC_LOOKUP_DC_RETURN_FLAT_NAME,
2026                            &werr);
2027         if (ret == true) {
2028                 return werr;
2029         }
2030
2031         flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
2032
2033         status = dsgetdcname(p->mem_ctx,
2034                              p->msg_ctx,
2035                              r->in.domainname,
2036                              NULL,
2037                              NULL,
2038                              flags,
2039                              &info);
2040         if (!NT_STATUS_IS_OK(status)) {
2041                 return ntstatus_to_werror(status);
2042         }
2043
2044         *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
2045         talloc_free(info);
2046         if (!*r->out.dcname) {
2047                 return WERR_NOMEM;
2048         }
2049
2050         return WERR_OK;
2051 }
2052
2053 /****************************************************************
2054 ****************************************************************/
2055
2056 NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
2057                              struct netr_DatabaseSync2 *r)
2058 {
2059         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2060         return NT_STATUS_NOT_IMPLEMENTED;
2061 }
2062
2063 /****************************************************************
2064 ****************************************************************/
2065
2066 NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
2067                             struct netr_DatabaseRedo *r)
2068 {
2069         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2070         return NT_STATUS_NOT_IMPLEMENTED;
2071 }
2072
2073 /****************************************************************
2074 ****************************************************************/
2075
2076 WERROR _netr_DsRGetDCName(struct pipes_struct *p,
2077                           struct netr_DsRGetDCName *r)
2078 {
2079         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2080         return WERR_NOT_SUPPORTED;
2081 }
2082
2083 /****************************************************************
2084 ****************************************************************/
2085
2086 NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
2087                                     struct netr_LogonGetCapabilities *r)
2088 {
2089         struct netlogon_creds_CredentialState *creds;
2090         NTSTATUS status;
2091
2092         become_root();
2093         status = netr_creds_server_step_check(p, p->mem_ctx,
2094                                               r->in.computer_name,
2095                                               r->in.credential,
2096                                               r->out.return_authenticator,
2097                                               &creds);
2098         unbecome_root();
2099         if (!NT_STATUS_IS_OK(status)) {
2100                 return status;
2101         }
2102
2103         if (r->in.query_level != 1) {
2104                 return NT_STATUS_NOT_SUPPORTED;
2105         }
2106
2107         r->out.capabilities->server_capabilities = creds->negotiate_flags;
2108
2109         return NT_STATUS_OK;
2110 }
2111
2112 /****************************************************************
2113 ****************************************************************/
2114
2115 WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
2116                                      struct netr_NETRLOGONSETSERVICEBITS *r)
2117 {
2118         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2119         return WERR_NOT_SUPPORTED;
2120 }
2121
2122 /****************************************************************
2123 ****************************************************************/
2124
2125 WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
2126                               struct netr_LogonGetTrustRid *r)
2127 {
2128         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2129         return WERR_NOT_SUPPORTED;
2130 }
2131
2132 /****************************************************************
2133 ****************************************************************/
2134
2135 WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
2136                                           struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
2137 {
2138         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2139         return WERR_NOT_SUPPORTED;
2140 }
2141
2142 /****************************************************************
2143 ****************************************************************/
2144
2145 WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
2146                                           struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
2147 {
2148         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2149         return WERR_NOT_SUPPORTED;
2150 }
2151
2152 /****************************************************************
2153 ****************************************************************/
2154
2155 WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
2156                             struct netr_DsRGetDCNameEx *r)
2157 {
2158         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2159         return WERR_NOT_SUPPORTED;
2160 }
2161
2162 /****************************************************************
2163 ****************************************************************/
2164
2165 WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
2166                             struct netr_DsRGetSiteName *r)
2167 {
2168         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2169         return WERR_NOT_SUPPORTED;
2170 }
2171
2172 /****************************************************************
2173 ****************************************************************/
2174
2175 NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
2176                                   struct netr_LogonGetDomainInfo *r)
2177 {
2178         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2179         return NT_STATUS_NOT_IMPLEMENTED;
2180 }
2181
2182 /****************************************************************
2183 ****************************************************************/
2184
2185 WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
2186                                struct netr_ServerPasswordGet *r)
2187 {
2188         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2189         return WERR_NOT_SUPPORTED;
2190 }
2191
2192 /****************************************************************
2193 ****************************************************************/
2194
2195 WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
2196                                 struct netr_NETRLOGONSENDTOSAM *r)
2197 {
2198         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2199         return WERR_NOT_SUPPORTED;
2200 }
2201
2202 /****************************************************************
2203 ****************************************************************/
2204
2205 WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
2206                                     struct netr_DsRAddressToSitenamesW *r)
2207 {
2208         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2209         return WERR_NOT_SUPPORTED;
2210 }
2211
2212 /****************************************************************
2213 ****************************************************************/
2214
2215 WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
2216                              struct netr_DsRGetDCNameEx2 *r)
2217 {
2218         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2219         return WERR_NOT_SUPPORTED;
2220 }
2221
2222 /****************************************************************
2223 ****************************************************************/
2224
2225 WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
2226                                                  struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
2227 {
2228         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2229         return WERR_NOT_SUPPORTED;
2230 }
2231
2232 /****************************************************************
2233 ****************************************************************/
2234
2235 WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
2236                                            struct netr_NetrEnumerateTrustedDomainsEx *r)
2237 {
2238         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2239         return WERR_NOT_SUPPORTED;
2240 }
2241
2242 /****************************************************************
2243 ****************************************************************/
2244
2245 WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
2246                                       struct netr_DsRAddressToSitenamesExW *r)
2247 {
2248         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2249         return WERR_NOT_SUPPORTED;
2250 }
2251
2252 /****************************************************************
2253 ****************************************************************/
2254
2255 WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
2256                                    struct netr_DsrGetDcSiteCoverageW *r)
2257 {
2258         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2259         return WERR_NOT_SUPPORTED;
2260 }
2261
2262 /****************************************************************
2263 ****************************************************************/
2264
2265 WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
2266                                       struct netr_DsrEnumerateDomainTrusts *r)
2267 {
2268         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2269         return WERR_NOT_SUPPORTED;
2270 }
2271
2272 /****************************************************************
2273 ****************************************************************/
2274
2275 WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
2276                                          struct netr_DsrDeregisterDNSHostRecords *r)
2277 {
2278         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2279         return WERR_NOT_SUPPORTED;
2280 }
2281
2282 /****************************************************************
2283 ****************************************************************/
2284
2285 NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
2286                                        struct netr_ServerTrustPasswordsGet *r)
2287 {
2288         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2289         return NT_STATUS_NOT_IMPLEMENTED;
2290 }
2291
2292 /****************************************************************
2293 ****************************************************************/
2294
2295 static NTSTATUS fill_forest_trust_array(TALLOC_CTX *mem_ctx,
2296                                         struct lsa_ForestTrustInformation *info)
2297 {
2298         struct lsa_ForestTrustRecord *e;
2299         struct pdb_domain_info *dom_info;
2300         struct lsa_ForestTrustDomainInfo *domain_info;
2301         char **upn_suffixes = NULL;
2302         uint32_t num_suffixes = 0;
2303         uint32_t i = 0;
2304         NTSTATUS status;
2305
2306         dom_info = pdb_get_domain_info(mem_ctx);
2307         if (dom_info == NULL) {
2308                 return NT_STATUS_NO_MEMORY;
2309         }
2310
2311         info->count = 2;
2312
2313         become_root();
2314         status = pdb_enum_upn_suffixes(info, &num_suffixes, &upn_suffixes);
2315         unbecome_root();
2316         if (NT_STATUS_IS_OK(status) && (num_suffixes > 0)) {
2317                 info->count += num_suffixes;
2318         }
2319
2320         info->entries = talloc_array(info, struct lsa_ForestTrustRecord *, info->count);
2321         if (info->entries == NULL) {
2322                 return NT_STATUS_NO_MEMORY;
2323         }
2324
2325         e = talloc(info, struct lsa_ForestTrustRecord);
2326         if (e == NULL) {
2327                 return NT_STATUS_NO_MEMORY;
2328         }
2329
2330         e->flags = 0;
2331         e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2332         e->time = 0; /* so far always 0 in trces. */
2333         e->forest_trust_data.top_level_name.string = talloc_steal(info,
2334                                                                   dom_info->dns_forest);
2335
2336         info->entries[0] = e;
2337
2338         if (num_suffixes > 0) {
2339                 for (i = 0; i < num_suffixes ; i++) {
2340                         e = talloc(info, struct lsa_ForestTrustRecord);
2341                         if (e == NULL) {
2342                                 return NT_STATUS_NO_MEMORY;
2343                         }
2344
2345                         e->flags = 0;
2346                         e->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
2347                         e->time = 0; /* so far always 0 in traces. */
2348                         e->forest_trust_data.top_level_name.string = upn_suffixes[i];
2349                         info->entries[1 + i] = e;
2350                 }
2351         }
2352
2353         e = talloc(info, struct lsa_ForestTrustRecord);
2354         if (e == NULL) {
2355                 return NT_STATUS_NO_MEMORY;
2356         }
2357
2358         /* TODO: check if disabled and set flags accordingly */
2359         e->flags = 0;
2360         e->type = LSA_FOREST_TRUST_DOMAIN_INFO;
2361         e->time = 0; /* so far always 0 in traces. */
2362
2363         domain_info = &e->forest_trust_data.domain_info;
2364         domain_info->domain_sid = dom_sid_dup(info, &dom_info->sid);
2365
2366         domain_info->dns_domain_name.string = talloc_steal(info,
2367                                                            dom_info->dns_domain);
2368         domain_info->netbios_domain_name.string = talloc_steal(info,
2369                                                                dom_info->name);
2370
2371         info->entries[info->count - 1] = e;
2372
2373         return NT_STATUS_OK;
2374 }
2375
2376 /****************************************************************
2377 ****************************************************************/
2378
2379 WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
2380                                           struct netr_DsRGetForestTrustInformation *r)
2381 {
2382         NTSTATUS status;
2383         struct lsa_ForestTrustInformation *info, **info_ptr;
2384
2385         if (!(p->pipe_bound && (p->auth.auth_type != DCERPC_AUTH_TYPE_NONE)
2386                        && (p->auth.auth_level != DCERPC_AUTH_LEVEL_NONE))) {
2387                 p->fault_state = DCERPC_FAULT_ACCESS_DENIED;
2388                 return WERR_ACCESS_DENIED;
2389         }
2390
2391         if (r->in.flags & (~DS_GFTI_UPDATE_TDO)) {
2392                 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2393                 return WERR_INVALID_FLAGS;
2394         }
2395
2396         if ((r->in.flags & DS_GFTI_UPDATE_TDO) && (lp_server_role() != ROLE_DOMAIN_PDC)) {
2397                 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2398                 return WERR_NERR_NOTPRIMARY;
2399         }
2400
2401         if ((r->in.trusted_domain_name == NULL) && (r->in.flags & DS_GFTI_UPDATE_TDO)) {
2402                 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2403                 return WERR_INVALID_PARAMETER;
2404         }
2405
2406         /* retrieve forest trust information and stop further processing */
2407         if (r->in.trusted_domain_name == NULL) {
2408                 info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2409                 if (info_ptr == NULL) {
2410                         p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2411                         return WERR_NOMEM;
2412                 }
2413                 info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2414                 if (info == NULL) {
2415                         p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2416                         return WERR_NOMEM;
2417                 }
2418
2419                 /* Fill forest trust information and expand UPN suffixes list */
2420                 status = fill_forest_trust_array(p->mem_ctx, info);
2421                 if (!NT_STATUS_IS_OK(status)) {
2422                         p->fault_state = DCERPC_FAULT_CANT_PERFORM;
2423                         return WERR_NOMEM;
2424                 }
2425
2426                 *info_ptr = info;
2427                 r->out.forest_trust_info = info_ptr;
2428
2429                 return WERR_OK;
2430
2431         }
2432
2433         /* TODO: implement remaining parts of DsrGetForestTrustInformation (opnum 43)
2434          *       when trusted_domain_name is not NULL */
2435
2436         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2437         return WERR_NOT_SUPPORTED;
2438 }
2439
2440 /****************************************************************
2441  _netr_GetForestTrustInformation
2442 ****************************************************************/
2443
2444 NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
2445                                          struct netr_GetForestTrustInformation *r)
2446 {
2447         NTSTATUS status;
2448         struct netlogon_creds_CredentialState *creds;
2449         struct lsa_ForestTrustInformation *info, **info_ptr;
2450         struct loadparm_context *lp_ctx;
2451
2452         /* TODO: check server name */
2453
2454         lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2455         if (lp_ctx == NULL) {
2456                 DEBUG(0, ("loadparm_init_s3 failed\n"));
2457                 return NT_STATUS_INTERNAL_ERROR;
2458         }
2459
2460         status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2461                                             r->in.computer_name,
2462                                             r->in.credential,
2463                                             r->out.return_authenticator,
2464                                             &creds);
2465         talloc_unlink(p->mem_ctx, lp_ctx);
2466         if (!NT_STATUS_IS_OK(status)) {
2467                 return status;
2468         }
2469
2470         if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2471             (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2472                 return NT_STATUS_NOT_IMPLEMENTED;
2473         }
2474
2475         info_ptr = talloc(p->mem_ctx, struct lsa_ForestTrustInformation *);
2476         if (!info_ptr) {
2477                 return NT_STATUS_NO_MEMORY;
2478         }
2479         info = talloc_zero(info_ptr, struct lsa_ForestTrustInformation);
2480         if (!info) {
2481                 return NT_STATUS_NO_MEMORY;
2482         }
2483
2484         /* Fill forest trust information, do expand UPN suffixes list */
2485         status = fill_forest_trust_array(p->mem_ctx, info);
2486         if (!NT_STATUS_IS_OK(status)) {
2487                 return status;
2488         }
2489
2490         *info_ptr = info;
2491         r->out.forest_trust_info = info_ptr;
2492
2493         return NT_STATUS_OK;
2494 }
2495
2496 /****************************************************************
2497 ****************************************************************/
2498
2499 static NTSTATUS get_password_from_trustAuth(TALLOC_CTX *mem_ctx,
2500                                             const DATA_BLOB *trustAuth_blob,
2501                                             struct netlogon_creds_CredentialState *creds,
2502                                             struct samr_Password *current_pw_enc,
2503                                             struct samr_Password *previous_pw_enc)
2504 {
2505         enum ndr_err_code ndr_err;
2506         struct trustAuthInOutBlob trustAuth;
2507
2508         ndr_err = ndr_pull_struct_blob_all(trustAuth_blob, mem_ctx, &trustAuth,
2509                                            (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2510         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2511                 return NT_STATUS_UNSUCCESSFUL;
2512         }
2513
2514         if (trustAuth.count != 0 && trustAuth.current.count != 0 &&
2515             trustAuth.current.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2516                 mdfour(current_pw_enc->hash,
2517                        trustAuth.current.array[0].AuthInfo.clear.password,
2518                        trustAuth.current.array[0].AuthInfo.clear.size);
2519                 netlogon_creds_des_encrypt(creds, current_pw_enc);
2520         } else {
2521                 return NT_STATUS_UNSUCCESSFUL;
2522         }
2523
2524
2525         if (trustAuth.previous.count != 0 &&
2526             trustAuth.previous.array[0].AuthType == TRUST_AUTH_TYPE_CLEAR) {
2527                 mdfour(previous_pw_enc->hash,
2528                        trustAuth.previous.array[0].AuthInfo.clear.password,
2529                        trustAuth.previous.array[0].AuthInfo.clear.size);
2530                 netlogon_creds_des_encrypt(creds, previous_pw_enc);
2531         } else {
2532                 ZERO_STRUCTP(previous_pw_enc);
2533         }
2534
2535         return NT_STATUS_OK;
2536 }
2537
2538 /****************************************************************
2539  _netr_ServerGetTrustInfo
2540 ****************************************************************/
2541
2542 NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
2543                                   struct netr_ServerGetTrustInfo *r)
2544 {
2545         NTSTATUS status;
2546         struct netlogon_creds_CredentialState *creds;
2547         char *account_name;
2548         size_t account_name_last;
2549         bool trusted;
2550         struct netr_TrustInfo *trust_info;
2551         struct pdb_trusted_domain *td;
2552         struct loadparm_context *lp_ctx;
2553
2554         lp_ctx = loadparm_init_s3(p->mem_ctx, loadparm_s3_helpers());
2555         if (lp_ctx == NULL) {
2556                 DEBUG(0, ("loadparm_init_s3 failed\n"));
2557                 return NT_STATUS_INTERNAL_ERROR;
2558         }
2559
2560         /* TODO: check server name */
2561
2562         status = schannel_check_creds_state(p->mem_ctx, lp_ctx,
2563                                             r->in.computer_name,
2564                                             r->in.credential,
2565                                             r->out.return_authenticator,
2566                                             &creds);
2567         talloc_unlink(p->mem_ctx, lp_ctx);
2568         if (!NT_STATUS_IS_OK(status)) {
2569                 return status;
2570         }
2571
2572         account_name = talloc_strdup(p->mem_ctx, r->in.account_name);
2573         if (account_name == NULL) {
2574                 return NT_STATUS_NO_MEMORY;
2575         }
2576
2577         account_name_last = strlen(account_name);
2578         if (account_name_last == 0) {
2579                 return NT_STATUS_INVALID_PARAMETER;
2580         }
2581         account_name_last--;
2582         if (account_name[account_name_last] == '.') {
2583                 account_name[account_name_last] = '\0';
2584         }
2585
2586         if ((creds->secure_channel_type != SEC_CHAN_DNS_DOMAIN) &&
2587             (creds->secure_channel_type != SEC_CHAN_DOMAIN)) {
2588                 trusted = false;
2589         } else {
2590                 trusted = true;
2591         }
2592
2593
2594         if (trusted) {
2595                 account_name_last = strlen(account_name);
2596                 if (account_name_last == 0) {
2597                         return NT_STATUS_INVALID_PARAMETER;
2598                 }
2599                 account_name_last--;
2600                 if (account_name[account_name_last] == '$') {
2601                         account_name[account_name_last] = '\0';
2602                 }
2603
2604                 status = pdb_get_trusted_domain(p->mem_ctx, account_name, &td);
2605                 if (!NT_STATUS_IS_OK(status)) {
2606                         return status;
2607                 }
2608
2609                 if (r->out.trust_info != NULL) {
2610                         trust_info = talloc_zero(p->mem_ctx, struct netr_TrustInfo);
2611                         if (trust_info == NULL) {
2612                                 return NT_STATUS_NO_MEMORY;
2613                         }
2614                         trust_info->count = 1;
2615
2616                         trust_info->data = talloc_array(trust_info, uint32_t, 1);
2617                         if (trust_info->data == NULL) {
2618                                 return NT_STATUS_NO_MEMORY;
2619                         }
2620                         trust_info->data[0] = td->trust_attributes;
2621
2622                         *r->out.trust_info = trust_info;
2623                 }
2624
2625                 if (td->trust_auth_incoming.data == NULL) {
2626                         return NT_STATUS_INVALID_PARAMETER;
2627                 }
2628
2629                 status = get_password_from_trustAuth(p->mem_ctx,
2630                                                      &td->trust_auth_incoming,
2631                                                      creds,
2632                                                      r->out.new_owf_password,
2633                                                      r->out.old_owf_password);
2634
2635                 if (!NT_STATUS_IS_OK(status)) {
2636                         return status;
2637                 }
2638
2639         } else {
2640 /* TODO: look for machine password */
2641                 ZERO_STRUCTP(r->out.new_owf_password);
2642                 ZERO_STRUCTP(r->out.old_owf_password);
2643
2644                 return NT_STATUS_NOT_IMPLEMENTED;
2645         }
2646
2647         return NT_STATUS_OK;
2648 }
2649
2650 /****************************************************************
2651 ****************************************************************/
2652
2653 NTSTATUS _netr_Unused47(struct pipes_struct *p,
2654                         struct netr_Unused47 *r)
2655 {
2656         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2657         return NT_STATUS_NOT_IMPLEMENTED;
2658 }
2659
2660 /****************************************************************
2661 ****************************************************************/
2662
2663 NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
2664                                                  struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
2665 {
2666         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
2667         return NT_STATUS_NOT_IMPLEMENTED;
2668 }