source4/rpc_server/netlogon/dcerpc_netlogon.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    endpoint server for the netlogon pipe
   5
   6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
   7    Copyright (C) Stefan Metzmacher <metze@samba.org>  2005
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25 #include "librpc/gen_ndr/ndr_netlogon.h"
  26 #include "rpc_server/dcerpc_server.h"
  27 #include "rpc_server/common/common.h"
  28 #include "librpc/gen_ndr/ndr_dcom.h"
  29 #include "auth/auth.h"
  30 #include "lib/ldb/include/ldb.h"
  31
  32 struct server_pipe_state {
  33         struct netr_Credential client_challenge;
  34         struct netr_Credential server_challenge;
  35         struct creds_CredentialState *creds;
  36 };
  37
  38
  39 /*
  40   a client has connected to the netlogon server using schannel, so we need
  41   to re-establish the credentials state
  42 */
  43 static NTSTATUS netlogon_schannel_setup(struct dcesrv_call_state *dce_call)
  44 {
  45         struct server_pipe_state *state;
  46         NTSTATUS status;
  47
  48         /* We want the client and server challenge zero */
  49         state = talloc_zero(dce_call->conn, struct server_pipe_state);
  50         if (state == NULL) {
  51                 return NT_STATUS_NO_MEMORY;
  52         }
  53
  54         status = dcerpc_schannel_creds(dce_call->conn->auth_state.gensec_security,
  55                                        state,
  56                                        &state->creds);
  57
  58         if (!NT_STATUS_IS_OK(status)) {
  59                 DEBUG(3, ("getting schannel credentials failed with %s\n", nt_errstr(status)));
  60                 talloc_free(state);
  61                 return status;
  62         }
  63
  64         dce_call->context->private = state;
  65
  66         return NT_STATUS_OK;
  67 }
  68
  69 /*
  70   a hook for bind on the netlogon pipe
  71 */
  72 static NTSTATUS netlogon_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *di)
  73 {
  74         dce_call->context->private = NULL;
  75
  76         /* if this is a schannel bind then we need to reconstruct the pipe state */
  77         if (dce_call->conn->auth_state.auth_info &&
  78             dce_call->conn->auth_state.auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
  79                 NTSTATUS status;
  80
  81                 DEBUG(5, ("schannel bind on netlogon\n"));
  82
  83                 status = netlogon_schannel_setup(dce_call);
  84                 if (!NT_STATUS_IS_OK(status)) {
  85                         DEBUG(3, ("schannel bind on netlogon failed with %s\n", nt_errstr(status)));
  86                         return status;
  87                 }
  88         }
  89
  90         return NT_STATUS_OK;
  91 }
  92
  93 #define DCESRV_INTERFACE_NETLOGON_BIND netlogon_bind
  94
  95 static NTSTATUS netr_ServerReqChallenge(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
  96                                         struct netr_ServerReqChallenge *r)
  97 {
  98         struct server_pipe_state *pipe_state = dce_call->context->private;
  99
 100         ZERO_STRUCTP(r->out.credentials);
 101
 102         /* destroyed on pipe shutdown */
 103
 104         if (pipe_state) {
 105                 talloc_free(pipe_state);
 106                 dce_call->context->private = NULL;
 107         }
 108
 109         pipe_state = talloc(dce_call->context, struct server_pipe_state);
 110         if (!pipe_state) {
 111                 return NT_STATUS_NO_MEMORY;
 112         }
 113
 114         pipe_state->creds = NULL;
 115
 116         pipe_state->client_challenge = *r->in.credentials;
 117
 118         generate_random_buffer(pipe_state->server_challenge.data,
 119                                sizeof(pipe_state->server_challenge.data));
 120
 121         *r->out.credentials = pipe_state->server_challenge;
 122
 123         dce_call->context->private = pipe_state;
 124
 125         return NT_STATUS_OK;
 126 }
 127
 128 static NTSTATUS netr_ServerAuthenticate3(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 129                                          struct netr_ServerAuthenticate3 *r)
 130 {
 131         struct server_pipe_state *pipe_state = dce_call->context->private;
 132         void *sam_ctx;
 133         struct samr_Password *mach_pwd;
 134         uint16_t acct_flags;
 135         int num_records;
 136         struct ldb_message **msgs;
 137         NTSTATUS nt_status;
 138         const char *attrs[] = {"unicodePwd", "lmPwdHash", "ntPwdHash", "userAccountControl",
 139                                "objectSid", NULL};
 140
 141         ZERO_STRUCTP(r->out.credentials);
 142         *r->out.rid = 0;
 143         *r->out.negotiate_flags = *r->in.negotiate_flags;
 144
 145         if (!pipe_state) {
 146                 DEBUG(1, ("No challenge requested by client, cannot authenticate\n"));
 147                 return NT_STATUS_ACCESS_DENIED;
 148         }
 149
 150         sam_ctx = samdb_connect(mem_ctx);
 151         if (sam_ctx == NULL) {
 152                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
 153         }
 154         /* pull the user attributes */
 155         num_records = gendb_search(sam_ctx, mem_ctx, NULL, &msgs, attrs,
 156                                    "(&(sAMAccountName=%s)(objectclass=user))",
 157                                    r->in.account_name);
 158
 159         if (num_records == 0) {
 160                 DEBUG(3,("Couldn't find user [%s] in samdb.\n",
 161                          r->in.account_name));
 162                 return NT_STATUS_NO_SUCH_USER;
 163         }
 164
 165         if (num_records > 1) {
 166                 DEBUG(0,("Found %d records matching user [%s]\n", num_records, r->in.account_name));
 167                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 168         }
 169
 170         acct_flags = samdb_result_acct_flags(msgs[0],
 171                                              "userAccountControl");
 172
 173         if (acct_flags & ACB_DISABLED) {
 174                 DEBUG(1, ("Account [%s] is disabled\n", r->in.account_name));
 175                 return NT_STATUS_ACCESS_DENIED;
 176         }
 177
 178         if (r->in.secure_channel_type == SEC_CHAN_WKSTA) {
 179                 if (!(acct_flags & ACB_WSTRUST)) {
 180                         DEBUG(1, ("Client asked for a workstation secure channel, but is not a workstation (member server) acb flags: 0x%x\n", acct_flags));
 181                         return NT_STATUS_ACCESS_DENIED;
 182                 }
 183         } else if (r->in.secure_channel_type == SEC_CHAN_DOMAIN) {
 184                 if (!(acct_flags & ACB_DOMTRUST)) {
 185                         DEBUG(1, ("Client asked for a trusted domain secure channel, but is not a trusted domain: acb flags: 0x%x\n", acct_flags));
 186                         return NT_STATUS_ACCESS_DENIED;
 187                 }
 188         } else if (r->in.secure_channel_type == SEC_CHAN_BDC) {
 189                 if (!(acct_flags & ACB_SVRTRUST)) {
 190                         DEBUG(1, ("Client asked for a server secure channel, but is not a server (domain controller): acb flags: 0x%x\n", acct_flags));
 191                         return NT_STATUS_ACCESS_DENIED;
 192                 }
 193         } else {
 194                 DEBUG(1, ("Client asked for an invalid secure channel type: %d\n",
 195                           r->in.secure_channel_type));
 196                 return NT_STATUS_ACCESS_DENIED;
 197         }
 198
 199
 200         *r->out.rid = samdb_result_rid_from_sid(mem_ctx, msgs[0], "objectSid", 0);
 201
 202         nt_status = samdb_result_passwords(mem_ctx, msgs[0], NULL, &mach_pwd);
 203         if (!NT_STATUS_IS_OK(nt_status) || mach_pwd == NULL) {
 204                 return NT_STATUS_ACCESS_DENIED;
 205         }
 206
 207         if (pipe_state->creds) {
 208                 talloc_free(pipe_state->creds);
 209         }
 210         pipe_state->creds = talloc(pipe_state, struct creds_CredentialState);
 211         if (!pipe_state->creds) {
 212                 return NT_STATUS_NO_MEMORY;
 213         }
 214
 215         creds_server_init(pipe_state->creds, &pipe_state->client_challenge,
 216                           &pipe_state->server_challenge, mach_pwd,
 217                           r->out.credentials,
 218                           *r->in.negotiate_flags);
 219
 220         if (!creds_server_check(pipe_state->creds, r->in.credentials)) {
 221                 talloc_free(pipe_state->creds);
 222                 pipe_state->creds = NULL;
 223                 return NT_STATUS_ACCESS_DENIED;
 224         }
 225
 226         pipe_state->creds->account_name = talloc_reference(pipe_state->creds, r->in.account_name);
 227
 228         pipe_state->creds->computer_name = talloc_reference(pipe_state->creds, r->in.computer_name);
 229
 230         pipe_state->creds->secure_channel_type = r->in.secure_channel_type;
 231
 232         pipe_state->creds->rid = *r->out.rid;
 233
 234         pipe_state->creds->domain = talloc_strdup(pipe_state->creds, lp_workgroup());
 235
 236         /* remember this session key state */
 237         nt_status = schannel_store_session_key(mem_ctx, pipe_state->creds);
 238
 239         return nt_status;
 240 }
 241
 242 static NTSTATUS netr_ServerAuthenticate(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 243                                         struct netr_ServerAuthenticate *r)
 244 {
 245         struct netr_ServerAuthenticate3 r3;
 246         uint32_t rid = 0;
 247         /* TODO:
 248          * negotiate_flags is used as an [in] parameter
 249          * so it need to be initialised.
 250          *
 251          * (I think ... = 0; seems wrong here --metze)
 252          */
 253         uint32_t negotiate_flags = 0;
 254
 255         r3.in.server_name = r->in.server_name;
 256         r3.in.account_name = r->in.account_name;
 257         r3.in.secure_channel_type = r->in.secure_channel_type;
 258         r3.in.computer_name = r->in.computer_name;
 259         r3.in.credentials = r->in.credentials;
 260         r3.out.credentials = r->out.credentials;
 261         r3.in.negotiate_flags = &negotiate_flags;
 262         r3.out.negotiate_flags = &negotiate_flags;
 263         r3.out.rid = &rid;
 264
 265         return netr_ServerAuthenticate3(dce_call, mem_ctx, &r3);
 266 }
 267
 268 static NTSTATUS netr_ServerAuthenticate2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 269                                          struct netr_ServerAuthenticate2 *r)
 270 {
 271         struct netr_ServerAuthenticate3 r3;
 272         uint32_t rid = 0;
 273
 274         r3.in.server_name = r->in.server_name;
 275         r3.in.account_name = r->in.account_name;
 276         r3.in.secure_channel_type = r->in.secure_channel_type;
 277         r3.in.computer_name = r->in.computer_name;
 278         r3.in.credentials = r->in.credentials;
 279         r3.out.credentials = r->out.credentials;
 280         r3.in.negotiate_flags = r->in.negotiate_flags;
 281         r3.out.negotiate_flags = r->out.negotiate_flags;
 282         r3.out.rid = &rid;
 283
 284         return netr_ServerAuthenticate3(dce_call, mem_ctx, &r3);
 285 }
 286
 287
 288 static NTSTATUS netr_creds_server_step_check(struct server_pipe_state *pipe_state,
 289                                              struct netr_Authenticator *received_authenticator,
 290                                              struct netr_Authenticator *return_authenticator)
 291 {
 292         if (!pipe_state) {
 293                 DEBUG(1, ("No challenge requested by client, cannot authenticate\n"));
 294                 return NT_STATUS_ACCESS_DENIED;
 295         }
 296
 297         return creds_server_step_check(pipe_state->creds,
 298                                        received_authenticator,
 299                                        return_authenticator);
 300 }
 301
 302
 303 static NTSTATUS netr_ServerPasswordSet(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 304                                        struct netr_ServerPasswordSet *r)
 305 {
 306         struct server_pipe_state *pipe_state = dce_call->context->private;
 307
 308         void *sam_ctx;
 309         int num_records;
 310         int num_records_domain;
 311         int ret;
 312         struct ldb_message **msgs;
 313         struct ldb_message **msgs_domain;
 314         NTSTATUS nt_status;
 315         struct ldb_message *mod;
 316         struct dom_sid *domain_sid;
 317
 318         const char *attrs[] = {"objectSid", NULL };
 319
 320         const char **domain_attrs = attrs;
 321
 322         nt_status = netr_creds_server_step_check(pipe_state, &r->in.credential, &r->out.return_authenticator);
 323         NT_STATUS_NOT_OK_RETURN(nt_status);
 324
 325         sam_ctx = samdb_connect(mem_ctx);
 326         if (sam_ctx == NULL) {
 327                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
 328         }
 329         /* pull the user attributes */
 330         num_records = gendb_search(sam_ctx, mem_ctx, NULL, &msgs, attrs,
 331                                    "(&(sAMAccountName=%s)(objectclass=user))",
 332                                    pipe_state->creds->account_name);
 333         if (num_records == -1) {
 334                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 335         }
 336
 337         if (num_records == 0) {
 338                 DEBUG(3,("Couldn't find user [%s] in samdb.\n",
 339                          pipe_state->creds->account_name));
 340                 return NT_STATUS_NO_SUCH_USER;
 341         }
 342
 343         if (num_records > 1) {
 344                 DEBUG(0,("Found %d records matching user [%s]\n", num_records,
 345                          pipe_state->creds->account_name));
 346                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 347         }
 348
 349         domain_sid = samdb_result_sid_prefix(mem_ctx, msgs[0], "objectSid");
 350         if (!domain_sid) {
 351                 DEBUG(0,("no objectSid in user record\n"));
 352                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 353         }
 354
 355         /* find the domain's DN */
 356         num_records_domain = gendb_search(sam_ctx, mem_ctx, NULL,
 357                                           &msgs_domain, domain_attrs,
 358                                           "(&(objectSid=%s)(objectclass=domain))",
 359                                           ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
 360         if (num_records_domain == -1) {
 361                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 362         }
 363
 364         if (num_records_domain == 0) {
 365                 DEBUG(3,("Couldn't find domain [%s] in samdb.\n",
 366                          dom_sid_string(mem_ctx, domain_sid)));
 367                 return NT_STATUS_NO_SUCH_USER;
 368         }
 369
 370         if (num_records_domain > 1) {
 371                 DEBUG(0,("Found %d records matching domain [%s]\n",
 372                          num_records_domain, dom_sid_string(mem_ctx, domain_sid)));
 373                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 374         }
 375
 376         mod = talloc_zero(mem_ctx, struct ldb_message);
 377         NT_STATUS_HAVE_NO_MEMORY(mod);
 378         mod->dn = talloc_reference(mod, msgs[0]->dn);
 379
 380         creds_des_decrypt(pipe_state->creds, &r->in.new_password);
 381
 382         /* set the password - samdb needs to know both the domain and user DNs,
 383            so the domain password policy can be used */
 384         nt_status = samdb_set_password(sam_ctx, mod,
 385                                        msgs[0]->dn,
 386                                        msgs_domain[0]->dn,
 387                                        mod,
 388                                        NULL, /* Don't have plaintext */
 389                                        NULL, &r->in.new_password,
 390                                        False, /* This is not considered a password change */
 391                                        False, /* don't restrict this password change (match w2k3) */
 392                                        NULL);
 393         NT_STATUS_NOT_OK_RETURN(nt_status);
 394
 395         ret = samdb_replace(sam_ctx, mem_ctx, mod);
 396         if (ret != 0) {
 397                 /* we really need samdb.c to return NTSTATUS */
 398                 return NT_STATUS_UNSUCCESSFUL;
 399         }
 400
 401         return NT_STATUS_OK;
 402 }
 403
 404
 405 /*
 406   netr_LogonUasLogon
 407 */
 408 static WERROR netr_LogonUasLogon(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 409                                  struct netr_LogonUasLogon *r)
 410 {
 411         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 412 }
 413
 414
 415 /*
 416   netr_LogonUasLogoff
 417 */
 418 static WERROR netr_LogonUasLogoff(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 419                        struct netr_LogonUasLogoff *r)
 420 {
 421         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 422 }
 423
 424
 425 /*
 426   netr_LogonSamLogonWithFlags
 427
 428   This version of the function allows other wrappers to say 'do not check the credentials'
 429 */
 430 static NTSTATUS netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 431                                      struct netr_LogonSamLogonEx *r)
 432 {
 433         struct server_pipe_state *pipe_state = dce_call->context->private;
 434
 435         struct auth_context *auth_context;
 436         struct auth_usersupplied_info *user_info;
 437         struct auth_serversupplied_info *server_info;
 438         NTSTATUS nt_status;
 439         static const char zeros[16];
 440         struct netr_SamBaseInfo *sam;
 441         struct netr_SamInfo2 *sam2;
 442         struct netr_SamInfo3 *sam3;
 443         struct netr_SamInfo6 *sam6;
 444
 445         user_info = talloc(mem_ctx, struct auth_usersupplied_info);
 446         if (!user_info) {
 447                 return NT_STATUS_NO_MEMORY;
 448         }
 449
 450         user_info->flags = 0;
 451         user_info->mapped_state = False;
 452         user_info->remote_host = NULL;
 453
 454         switch (r->in.logon_level) {
 455         case 1:
 456         case 3:
 457         case 5:
 458                 if (pipe_state->creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
 459                         creds_arcfour_crypt(pipe_state->creds,
 460                                             r->in.logon.password->lmpassword.hash,
 461                                             sizeof(r->in.logon.password->lmpassword.hash));
 462                         creds_arcfour_crypt(pipe_state->creds,
 463                                             r->in.logon.password->ntpassword.hash,
 464                                             sizeof(r->in.logon.password->ntpassword.hash));
 465                 } else {
 466                         creds_des_decrypt(pipe_state->creds, &r->in.logon.password->lmpassword);
 467                         creds_des_decrypt(pipe_state->creds, &r->in.logon.password->ntpassword);
 468                 }
 469
 470                 /* TODO: we need to deny anonymous access here */
 471                 nt_status = auth_context_create(mem_ctx, lp_auth_methods(), &auth_context,
 472                                                 dce_call->event_ctx);
 473                 NT_STATUS_NOT_OK_RETURN(nt_status);
 474
 475                 user_info->client.account_name = r->in.logon.network->identity_info.account_name.string;
 476                 user_info->client.domain_name = r->in.logon.network->identity_info.domain_name.string;
 477                 user_info->workstation_name = r->in.logon.network->identity_info.workstation.string;
 478
 479                 user_info->password_state = AUTH_PASSWORD_HASH;
 480                 user_info->password.hash.lanman = talloc(user_info, struct samr_Password);
 481                 if (!user_info->password.hash.lanman) {
 482                         return NT_STATUS_NO_MEMORY;
 483                 }
 484                 *user_info->password.hash.lanman = r->in.logon.password->lmpassword;
 485
 486                 user_info->password.hash.nt = talloc(user_info, struct samr_Password);
 487                 if (!user_info->password.hash.nt) {
 488                         return NT_STATUS_NO_MEMORY;
 489                 }
 490                 *user_info->password.hash.nt = r->in.logon.password->ntpassword;
 491                 break;
 492         case 2:
 493         case 6:
 494
 495                 /* TODO: we need to deny anonymous access here */
 496                 nt_status = auth_context_create(mem_ctx, lp_auth_methods(), &auth_context,
 497                                                 dce_call->event_ctx);
 498                 NT_STATUS_NOT_OK_RETURN(nt_status);
 499
 500                 nt_status = auth_context_set_challenge(auth_context, r->in.logon.network->challenge, "netr_LogonSamLogonWithFlags");
 501                 NT_STATUS_NOT_OK_RETURN(nt_status);
 502
 503                 user_info->client.account_name = r->in.logon.network->identity_info.account_name.string;
 504                 user_info->client.domain_name = r->in.logon.network->identity_info.domain_name.string;
 505                 user_info->workstation_name = r->in.logon.network->identity_info.workstation.string;
 506
 507                 user_info->password_state = AUTH_PASSWORD_RESPONSE;
 508                 user_info->password.response.lanman = data_blob(r->in.logon.network->lm.data, r->in.logon.network->lm.length);
 509                 user_info->password.response.nt = data_blob(r->in.logon.network->nt.data, r->in.logon.network->nt.length);
 510
 511                 break;
 512         default:
 513                 return NT_STATUS_INVALID_PARAMETER;
 514         }
 515
 516         nt_status = auth_check_password(auth_context, mem_ctx, user_info, &server_info);
 517         NT_STATUS_NOT_OK_RETURN(nt_status);
 518
 519         nt_status = auth_convert_server_info_sambaseinfo(mem_ctx, server_info, &sam);
 520
 521         NT_STATUS_NOT_OK_RETURN(nt_status);
 522
 523         /* Don't crypt an all-zero key, it would give away the NETLOGON pipe session key */
 524         /* It appears that level 6 is not individually encrypted */
 525         if ((r->in.validation_level != 6)
 526             && memcmp(sam->key.key, zeros,
 527                       sizeof(sam->key.key)) != 0) {
 528
 529                 /* This key is sent unencrypted without the ARCFOUR flag set */
 530                 if (pipe_state->creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
 531                         creds_arcfour_crypt(pipe_state->creds,
 532                                             sam->key.key,
 533                                             sizeof(sam->key.key));
 534                 }
 535         }
 536
 537         /* Don't crypt an all-zero key, it would give away the NETLOGON pipe session key */
 538         /* It appears that level 6 is not individually encrypted */
 539         if ((r->in.validation_level != 6)
 540             && memcmp(sam->LMSessKey.key, zeros,
 541                       sizeof(sam->LMSessKey.key)) != 0) {
 542                 if (pipe_state->creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
 543                         creds_arcfour_crypt(pipe_state->creds,
 544                                             sam->LMSessKey.key,
 545                                             sizeof(sam->LMSessKey.key));
 546                 } else {
 547                         creds_des_encrypt_LMKey(pipe_state->creds,
 548                                                 &sam->LMSessKey);
 549                 }
 550         }
 551
 552         switch (r->in.validation_level) {
 553         case 2:
 554                 sam2 = talloc_zero(mem_ctx, struct netr_SamInfo2);
 555                 NT_STATUS_HAVE_NO_MEMORY(sam2);
 556                 sam2->base = *sam;
 557                 r->out.validation.sam2 = sam2;
 558                 break;
 559
 560         case 3:
 561                 sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
 562                 NT_STATUS_HAVE_NO_MEMORY(sam3);
 563                 sam3->base = *sam;
 564                 r->out.validation.sam3 = sam3;
 565                 break;
 566
 567         case 6:
 568                 sam6 = talloc_zero(mem_ctx, struct netr_SamInfo6);
 569                 NT_STATUS_HAVE_NO_MEMORY(sam6);
 570                 sam6->base = *sam;
 571                 sam6->forest.string = lp_realm();
 572                 sam6->principle.string = talloc_asprintf(mem_ctx, "%s@%s",
 573                                                          sam->account_name.string, sam6->forest.string);
 574                 NT_STATUS_HAVE_NO_MEMORY(sam6->principle.string);
 575                 r->out.validation.sam6 = sam6;
 576                 break;
 577
 578         default:
 579                 break;
 580         }
 581
 582         r->out.authoritative = 1;
 583
 584         /* TODO: Describe and deal with these flags */
 585         r->out.flags = 0;
 586
 587         return NT_STATUS_OK;
 588 }
 589
 590 /*
 591   netr_LogonSamLogonWithFlags
 592
 593 */
 594 static NTSTATUS netr_LogonSamLogonWithFlags(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 595                                             struct netr_LogonSamLogonWithFlags *r)
 596 {
 597         struct server_pipe_state *pipe_state = dce_call->context->private;
 598         NTSTATUS nt_status;
 599         struct netr_LogonSamLogonEx r2;
 600
 601         struct netr_Authenticator *return_authenticator;
 602
 603         return_authenticator = talloc(mem_ctx, struct netr_Authenticator);
 604         NT_STATUS_HAVE_NO_MEMORY(return_authenticator);
 605
 606         nt_status = netr_creds_server_step_check(pipe_state, r->in.credential, return_authenticator);
 607         NT_STATUS_NOT_OK_RETURN(nt_status);
 608
 609         ZERO_STRUCT(r2);
 610
 611         r2.in.server_name       = r->in.server_name;
 612         r2.in.workstation       = r->in.workstation;
 613         r2.in.logon_level       = r->in.logon_level;
 614         r2.in.logon             = r->in.logon;
 615         r2.in.validation_level  = r->in.validation_level;
 616         r2.in.flags             = r->in.flags;
 617
 618         nt_status = netr_LogonSamLogonEx(dce_call, mem_ctx, &r2);
 619
 620         r->out.return_authenticator     = return_authenticator;
 621         r->out.validation               = r2.out.validation;
 622         r->out.authoritative            = r2.out.authoritative;
 623         r->out.flags                    = r2.out.flags;
 624
 625         return nt_status;
 626 }
 627
 628 /*
 629   netr_LogonSamLogon
 630 */
 631 static NTSTATUS netr_LogonSamLogon(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 632                                    struct netr_LogonSamLogon *r)
 633 {
 634         struct netr_LogonSamLogonWithFlags r2;
 635         NTSTATUS status;
 636
 637         ZERO_STRUCT(r2);
 638
 639         r2.in.server_name = r->in.server_name;
 640         r2.in.workstation = r->in.workstation;
 641         r2.in.credential  = r->in.credential;
 642         r2.in.return_authenticator = r->in.return_authenticator;
 643         r2.in.logon_level = r->in.logon_level;
 644         r2.in.logon = r->in.logon;
 645         r2.in.validation_level = r->in.validation_level;
 646         r2.in.flags = 0;
 647
 648         status = netr_LogonSamLogonWithFlags(dce_call, mem_ctx, &r2);
 649
 650         r->out.return_authenticator = r2.out.return_authenticator;
 651         r->out.validation = r2.out.validation;
 652         r->out.authoritative = r2.out.authoritative;
 653
 654         return status;
 655 }
 656
 657
 658 /*
 659   netr_LogonSamLogoff
 660 */
 661 static NTSTATUS netr_LogonSamLogoff(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 662                        struct netr_LogonSamLogoff *r)
 663 {
 664         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 665 }
 666
 667
 668
 669 /*
 670   netr_DatabaseDeltas
 671 */
 672 static NTSTATUS netr_DatabaseDeltas(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 673                        struct netr_DatabaseDeltas *r)
 674 {
 675         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 676 }
 677
 678
 679 /*
 680   netr_DatabaseSync
 681 */
 682 static NTSTATUS netr_DatabaseSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 683                        struct netr_DatabaseSync *r)
 684 {
 685         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 686 }
 687
 688
 689 /*
 690   netr_AccountDeltas
 691 */
 692 static NTSTATUS netr_AccountDeltas(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 693                        struct netr_AccountDeltas *r)
 694 {
 695         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 696 }
 697
 698
 699 /*
 700   netr_AccountSync
 701 */
 702 static NTSTATUS netr_AccountSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 703                        struct netr_AccountSync *r)
 704 {
 705         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 706 }
 707
 708
 709 /*
 710   netr_GetDcName
 711 */
 712 static NTSTATUS netr_GetDcName(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 713                        struct netr_GetDcName *r)
 714 {
 715         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 716 }
 717
 718
 719 /*
 720   netr_LogonControl
 721 */
 722 static WERROR netr_LogonControl(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 723                        struct netr_LogonControl *r)
 724 {
 725         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 726 }
 727
 728
 729 /*
 730   netr_GetAnyDCName
 731 */
 732 static WERROR netr_GetAnyDCName(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 733                        struct netr_GetAnyDCName *r)
 734 {
 735         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 736 }
 737
 738
 739 /*
 740   netr_LogonControl2
 741 */
 742 static WERROR netr_LogonControl2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 743                        struct netr_LogonControl2 *r)
 744 {
 745         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 746 }
 747
 748
 749 /*
 750   netr_DatabaseSync2
 751 */
 752 static NTSTATUS netr_DatabaseSync2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 753                        struct netr_DatabaseSync2 *r)
 754 {
 755         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 756 }
 757
 758
 759 /*
 760   netr_DatabaseRedo
 761 */
 762 static NTSTATUS netr_DatabaseRedo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 763                        struct netr_DatabaseRedo *r)
 764 {
 765         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 766 }
 767
 768
 769 /*
 770   netr_LogonControl2Ex
 771 */
 772 static WERROR netr_LogonControl2Ex(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 773                        struct netr_LogonControl2Ex *r)
 774 {
 775         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 776 }
 777
 778
 779 /*
 780   netr_NETRENUMERATETRUSTEDDOMAINS
 781 */
 782 static WERROR netr_NETRENUMERATETRUSTEDDOMAINS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 783                        struct netr_NETRENUMERATETRUSTEDDOMAINS *r)
 784 {
 785         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 786 }
 787
 788
 789 /*
 790   netr_DSRGETDCNAME
 791 */
 792 static WERROR netr_DSRGETDCNAME(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 793                        struct netr_DSRGETDCNAME *r)
 794 {
 795         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 796 }
 797
 798
 799 /*
 800   netr_NETRLOGONDUMMYROUTINE1
 801 */
 802 static WERROR netr_NETRLOGONDUMMYROUTINE1(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 803                        struct netr_NETRLOGONDUMMYROUTINE1 *r)
 804 {
 805         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 806 }
 807
 808
 809 /*
 810   netr_NETRLOGONSETSERVICEBITS
 811 */
 812 static WERROR netr_NETRLOGONSETSERVICEBITS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 813                        struct netr_NETRLOGONSETSERVICEBITS *r)
 814 {
 815         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 816 }
 817
 818
 819 /*
 820   netr_NETRLOGONGETTRUSTRID
 821 */
 822 static WERROR netr_NETRLOGONGETTRUSTRID(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 823                        struct netr_NETRLOGONGETTRUSTRID *r)
 824 {
 825         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 826 }
 827
 828
 829 /*
 830   netr_NETRLOGONCOMPUTESERVERDIGEST
 831 */
 832 static WERROR netr_NETRLOGONCOMPUTESERVERDIGEST(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 833                        struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
 834 {
 835         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 836 }
 837
 838
 839 /*
 840   netr_NETRLOGONCOMPUTECLIENTDIGEST
 841 */
 842 static WERROR netr_NETRLOGONCOMPUTECLIENTDIGEST(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 843                        struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
 844 {
 845         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 846 }
 847
 848
 849 /*
 850   netr_DSRGETDCNAMEX
 851 */
 852 static WERROR netr_DSRGETDCNAMEX(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 853                        struct netr_DSRGETDCNAMEX *r)
 854 {
 855         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 856 }
 857
 858
 859 /*
 860   netr_DSRGETSITENAME
 861 */
 862 static WERROR netr_DSRGETSITENAME(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 863                        struct netr_DSRGETSITENAME *r)
 864 {
 865         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
 866 }
 867
 868
 869 /*
 870   fill in a netr_DomainTrustInfo from a ldb search result
 871 */
 872 static NTSTATUS fill_domain_primary_info(TALLOC_CTX *mem_ctx, struct ldb_message *res,
 873                                          struct netr_DomainTrustInfo *info)
 874 {
 875         ZERO_STRUCTP(info);
 876
 877         info->domainname.string = samdb_result_string(res, "name", NULL);
 878         info->fulldomainname.string = talloc_asprintf(info, "%s.", samdb_result_string(res, "dnsDomain", NULL));
 879         /* TODO: we need proper forest support */
 880         info->forest.string = info->fulldomainname.string;
 881         info->guid = samdb_result_guid(res, "objectGUID");
 882         info->sid = samdb_result_dom_sid(mem_ctx, res, "objectSid");
 883
 884         return NT_STATUS_OK;
 885 }
 886
 887 /*
 888   fill in a netr_DomainTrustInfo from a ldb search result
 889 */
 890 static NTSTATUS fill_domain_trust_info(TALLOC_CTX *mem_ctx, struct ldb_message *res,
 891                                        struct netr_DomainTrustInfo *info, BOOL is_local)
 892 {
 893         ZERO_STRUCTP(info);
 894
 895         if (is_local) {
 896                 info->domainname.string = samdb_result_string(res, "name", NULL);
 897                 info->fulldomainname.string = samdb_result_string(res, "dnsDomain", NULL);
 898                 info->forest.string = NULL;
 899                 info->guid = samdb_result_guid(res, "objectGUID");
 900                 info->sid = samdb_result_dom_sid(mem_ctx, res, "objectSid");
 901         } else {
 902                 info->domainname.string = samdb_result_string(res, "flatName", NULL);
 903                 info->fulldomainname.string = samdb_result_string(res, "name", NULL);
 904                 info->forest.string = NULL;
 905                 info->guid = samdb_result_guid(res, "objectGUID");
 906                 info->sid = samdb_result_dom_sid(mem_ctx, res, "securityIdentifier");
 907         }
 908
 909         return NT_STATUS_OK;
 910 }
 911
 912 /*
 913   netr_LogonGetDomainInfo
 914   this is called as part of the ADS domain logon procedure.
 915 */
 916 static NTSTATUS netr_LogonGetDomainInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 917                                         struct netr_LogonGetDomainInfo *r)
 918 {
 919         struct server_pipe_state *pipe_state = dce_call->context->private;
 920         const char * const attrs[] = { "name", "dnsDomain", "objectSid",
 921                                        "objectGUID", "flatName", "securityIdentifier",
 922                                        NULL };
 923         void *sam_ctx;
 924         struct ldb_message **res1, **res2;
 925         struct netr_DomainInfo1 *info1;
 926         int ret1, ret2, i;
 927         NTSTATUS status;
 928
 929         status = netr_creds_server_step_check(pipe_state,
 930                                               r->in.credential, r->out.return_authenticator);
 931         if (!NT_STATUS_IS_OK(status)) {
 932                 return status;
 933         }
 934
 935         sam_ctx = samdb_connect(mem_ctx);
 936         if (sam_ctx == NULL) {
 937                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
 938         }
 939
 940         /* we need to do two searches. The first will pull our primary
 941            domain and the second will pull any trusted domains. Our
 942            primary domain is also a "trusted" domain, so we need to
 943            put the primary domain into the lists of returned trusts as
 944            well */
 945         ret1 = gendb_search(sam_ctx, mem_ctx, NULL, &res1, attrs, "(objectClass=domainDNS)");
 946         if (ret1 != 1) {
 947                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 948         }
 949
 950         ret2 = gendb_search(sam_ctx, mem_ctx, NULL, &res2, attrs, "(objectClass=trustedDomain)");
 951         if (ret2 == -1) {
 952                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 953         }
 954
 955         info1 = talloc(mem_ctx, struct netr_DomainInfo1);
 956         if (info1 == NULL) {
 957                 return NT_STATUS_NO_MEMORY;
 958         }
 959
 960         ZERO_STRUCTP(info1);
 961
 962         info1->num_trusts = ret2 + 1;
 963         info1->trusts = talloc_array(mem_ctx, struct netr_DomainTrustInfo,
 964                                        info1->num_trusts);
 965         if (info1->trusts == NULL) {
 966                 return NT_STATUS_NO_MEMORY;
 967         }
 968
 969         status = fill_domain_primary_info(mem_ctx, res1[0], &info1->domaininfo);
 970         if (!NT_STATUS_IS_OK(status)) {
 971                 return status;
 972         }
 973
 974         for (i=0;i<ret2;i++) {
 975                 status = fill_domain_trust_info(mem_ctx, res2[i], &info1->trusts[i], False);
 976                 if (!NT_STATUS_IS_OK(status)) {
 977                         return status;
 978                 }
 979         }
 980
 981         status = fill_domain_trust_info(mem_ctx, res1[0], &info1->trusts[i], True);
 982         if (!NT_STATUS_IS_OK(status)) {
 983                 return status;
 984         }
 985
 986         r->out.info.info1 = info1;
 987
 988         return NT_STATUS_OK;
 989 }
 990
 991
 992 /*
 993   netr_ServerPasswordSet2
 994 */
 995 static NTSTATUS netr_ServerPasswordSet2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 996                                        struct netr_ServerPasswordSet2 *r)
 997 {
 998         struct server_pipe_state *pipe_state = dce_call->context->private;
 999
1000         void *sam_ctx;
1001         int num_records;
1002         int num_records_domain;
1003         int ret;
1004         struct ldb_message **msgs;
1005         struct ldb_message **msgs_domain;
1006         NTSTATUS nt_status;
1007         struct ldb_message *mod;
1008         struct dom_sid *domain_sid;
1009         char new_pass[512];
1010         uint32_t new_pass_len;
1011
1012         struct samr_CryptPassword password_buf;
1013
1014         const char *attrs[] = {"objectSid", NULL };
1015
1016         const char **domain_attrs = attrs;
1017
1018         nt_status = netr_creds_server_step_check(pipe_state, &r->in.credential, &r->out.return_authenticator);
1019         NT_STATUS_NOT_OK_RETURN(nt_status);
1020
1021         sam_ctx = samdb_connect(mem_ctx);
1022         if (sam_ctx == NULL) {
1023                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
1024         }
1025         /* pull the user attributes */
1026         num_records = gendb_search(sam_ctx, mem_ctx, NULL, &msgs, attrs,
1027                                    "(&(sAMAccountName=%s)(objectclass=user))",
1028                                    pipe_state->creds->account_name);
1029         if (num_records == -1) {
1030                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1031         }
1032
1033         if (num_records == 0) {
1034                 DEBUG(3,("Couldn't find user [%s] in samdb.\n",
1035                          pipe_state->creds->account_name));
1036                 return NT_STATUS_NO_SUCH_USER;
1037         }
1038
1039         if (num_records > 1) {
1040                 DEBUG(0,("Found %d records matching user [%s]\n", num_records,
1041                          pipe_state->creds->account_name));
1042                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1043         }
1044
1045         domain_sid = samdb_result_sid_prefix(mem_ctx, msgs[0], "objectSid");
1046         if (!domain_sid) {
1047                 DEBUG(0,("no objectSid in user record\n"));
1048                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1049         }
1050
1051         /* find the domain's DN */
1052         num_records_domain = gendb_search(sam_ctx, mem_ctx, NULL,
1053                                           &msgs_domain, domain_attrs,
1054                                           "(&(objectSid=%s)(objectclass=domain))",
1055                                           ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
1056         if (num_records_domain == -1) {
1057                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1058         }
1059
1060         if (num_records_domain == 0) {
1061                 DEBUG(3,("Couldn't find domain [%s] in samdb.\n",
1062                          ldap_encode_ndr_dom_sid(mem_ctx, domain_sid)));
1063                 return NT_STATUS_NO_SUCH_USER;
1064         }
1065
1066         if (num_records_domain > 1) {
1067                 DEBUG(0,("Found %d records matching domain [%s]\n",
1068                          num_records_domain,
1069                          ldap_encode_ndr_dom_sid(mem_ctx, domain_sid)));
1070                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1071         }
1072
1073         mod = talloc_zero(mem_ctx, struct ldb_message);
1074         NT_STATUS_HAVE_NO_MEMORY(mod);
1075         mod->dn = talloc_reference(mod, msgs[0]->dn);
1076
1077         memcpy(password_buf.data, r->in.new_password.data, 512);
1078         SIVAL(password_buf.data,512,r->in.new_password.length);
1079         creds_arcfour_crypt(pipe_state->creds, password_buf.data, 516);
1080
1081         ret = decode_pw_buffer(password_buf.data, new_pass, sizeof(new_pass),
1082                                &new_pass_len, STR_UNICODE);
1083         if (!ret) {
1084                 DEBUG(3,("netr_ServerPasswordSet2: failed to decode password buffer\n"));
1085                 return NT_STATUS_ACCESS_DENIED;
1086         }
1087
1088         /* set the password - samdb needs to know both the domain and user DNs,
1089            so the domain password policy can be used */
1090         nt_status = samdb_set_password(sam_ctx, mod,
1091                                        msgs[0]->dn,
1092                                        msgs_domain[0]->dn,
1093                                        mod, new_pass, /* we have plaintext */
1094                                        NULL, NULL,
1095                                        False, /* This is not considered a password change */
1096                                        False, /* don't restrict this password change (match w2k3) */
1097                                        NULL);
1098         ZERO_STRUCT(new_pass);
1099         NT_STATUS_NOT_OK_RETURN(nt_status);
1100
1101         ret = samdb_replace(sam_ctx, mem_ctx, mod);
1102         if (ret != 0) {
1103                 /* we really need samdb.c to return NTSTATUS */
1104                 return NT_STATUS_UNSUCCESSFUL;
1105         }
1106
1107         return NT_STATUS_OK;
1108 }
1109
1110
1111 /*
1112   netr_NETRSERVERPASSWORDGET
1113 */
1114 static WERROR netr_NETRSERVERPASSWORDGET(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1115                        struct netr_NETRSERVERPASSWORDGET *r)
1116 {
1117         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1118 }
1119
1120
1121 /*
1122   netr_NETRLOGONSENDTOSAM
1123 */
1124 static WERROR netr_NETRLOGONSENDTOSAM(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1125                        struct netr_NETRLOGONSENDTOSAM *r)
1126 {
1127         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1128 }
1129
1130
1131 /*
1132   netr_DSRADDRESSTOSITENAMESW
1133 */
1134 static WERROR netr_DSRADDRESSTOSITENAMESW(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1135                        struct netr_DSRADDRESSTOSITENAMESW *r)
1136 {
1137         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1138 }
1139
1140
1141 /*
1142   netr_DrsGetDCNameEx2
1143 */
1144 static WERROR netr_DrsGetDCNameEx2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1145                        struct netr_DrsGetDCNameEx2 *r)
1146 {
1147         const char * const attrs[] = { "dnsDomain", "objectGUID", NULL };
1148         void *sam_ctx;
1149         struct ldb_message **res;
1150         int ret;
1151
1152         ZERO_STRUCT(r->out);
1153
1154         sam_ctx = samdb_connect(mem_ctx);
1155         if (sam_ctx == NULL) {
1156                 return WERR_DS_SERVICE_UNAVAILABLE;
1157         }
1158
1159         ret = gendb_search(sam_ctx, mem_ctx, NULL, &res, attrs,
1160                                 "(&(objectClass=domainDNS)(dnsDomain=%s))",
1161                                 r->in.domain_name);
1162         if (ret != 1) {
1163                 return WERR_NO_SUCH_DOMAIN;
1164         }
1165
1166         r->out.info = talloc(mem_ctx, struct netr_DrsGetDCNameEx2Info);
1167         if (!r->out.info) {
1168                 return WERR_NOMEM;
1169         }
1170
1171         /* TODO: - return real IP address
1172          *       - check all r->in.* parameters (server_unc is ignored by w2k3!)
1173          */
1174         r->out.info->dc_unc             = talloc_asprintf(mem_ctx, "\\\\%s.%s", lp_netbios_name(),lp_realm());
1175         r->out.info->dc_address = talloc_strdup(mem_ctx, "\\\\0.0.0.0");
1176         r->out.info->dc_address_type    = 1;
1177         r->out.info->domain_guid        = samdb_result_guid(res[0], "objectGUID");
1178         r->out.info->domain_name        = samdb_result_string(res[0], "dnsDomain", NULL);
1179         r->out.info->forest_name        = samdb_result_string(res[0], "dnsDomain", NULL);
1180         r->out.info->dc_flags           = 0xE00001FD;
1181         r->out.info->dc_site_name       = talloc_strdup(mem_ctx, "Default-First-Site-Name");
1182         r->out.info->client_site_name   = talloc_strdup(mem_ctx, "Default-First-Site-Name");
1183
1184         return WERR_OK;
1185 }
1186
1187
1188 /*
1189   netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN
1190 */
1191 static WERROR netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1192                        struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1193 {
1194         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1195 }
1196
1197
1198 /*
1199   netr_NETRENUMERATETRUSTEDDOMAINSEX
1200 */
1201 static WERROR netr_NETRENUMERATETRUSTEDDOMAINSEX(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1202                        struct netr_NETRENUMERATETRUSTEDDOMAINSEX *r)
1203 {
1204         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1205 }
1206
1207
1208 /*
1209   netr_DSRADDRESSTOSITENAMESEXW
1210 */
1211 static WERROR netr_DSRADDRESSTOSITENAMESEXW(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1212                        struct netr_DSRADDRESSTOSITENAMESEXW *r)
1213 {
1214         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1215 }
1216
1217
1218 /*
1219   netr_DSRGETDCSITECOVERAGEW
1220 */
1221 static WERROR netr_DSRGETDCSITECOVERAGEW(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1222                        struct netr_DSRGETDCSITECOVERAGEW *r)
1223 {
1224         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1225 }
1226
1227
1228 /*
1229   netr_DsrEnumerateDomainTrusts
1230 */
1231 static WERROR netr_DsrEnumerateDomainTrusts(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1232                                               struct netr_DsrEnumerateDomainTrusts *r)
1233 {
1234         struct netr_DomainTrust *trusts;
1235         void *sam_ctx;
1236         int ret;
1237         struct ldb_message **dom_res, **ref_res;
1238         const char * const dom_attrs[] = { "dnsDomain", "objectSid", "objectGUID", NULL };
1239         const char * const ref_attrs[] = { "nETBIOSName", NULL };
1240
1241         ZERO_STRUCT(r->out);
1242
1243         sam_ctx = samdb_connect(mem_ctx);
1244         if (sam_ctx == NULL) {
1245                 return WERR_GENERAL_FAILURE;
1246         }
1247
1248         ret = gendb_search(sam_ctx, mem_ctx, NULL, &dom_res, dom_attrs, "(&(objectClass=domainDNS)(dnsDomain=%s))", lp_realm());
1249         if (ret == -1) {
1250                 return WERR_GENERAL_FAILURE;
1251         }
1252
1253         if (ret != 1) {
1254                 return WERR_GENERAL_FAILURE;
1255         }
1256
1257         ret = gendb_search(sam_ctx, mem_ctx, NULL, &ref_res, ref_attrs, "(&(objectClass=crossRef)(ncName=%s))", dom_res[0]->dn);
1258         if (ret == -1) {
1259                 return WERR_GENERAL_FAILURE;
1260         }
1261
1262         if (ret != 1) {
1263                 return WERR_GENERAL_FAILURE;
1264         }
1265
1266
1267
1268         trusts = talloc_array(mem_ctx, struct netr_DomainTrust, ret);
1269         if (trusts == NULL) {
1270                 return WERR_NOMEM;
1271         }
1272
1273         r->out.count = 1;
1274         r->out.trusts = trusts;
1275
1276         /* TODO: add filtering by trust_flags, and correct trust_type
1277            and attributes */
1278         trusts[0].netbios_name = samdb_result_string(ref_res[0], "nETBIOSName", NULL);
1279         trusts[0].dns_name     = samdb_result_string(dom_res[0], "dnsDomain", NULL);
1280         trusts[0].trust_flags =
1281                 NETR_TRUST_FLAG_TREEROOT |
1282                 NETR_TRUST_FLAG_IN_FOREST |
1283                 NETR_TRUST_FLAG_PRIMARY;
1284         trusts[0].parent_index = 0;
1285         trusts[0].trust_type = 2;
1286         trusts[0].trust_attributes = 0;
1287         trusts[0].sid  = samdb_result_dom_sid(mem_ctx, dom_res[0], "objectSid");
1288         trusts[0].guid = samdb_result_guid(dom_res[0], "objectGUID");
1289
1290         return WERR_OK;
1291 }
1292
1293
1294 /*
1295   netr_DSRDEREGISTERDNSHOSTRECORDS
1296 */
1297 static WERROR netr_DSRDEREGISTERDNSHOSTRECORDS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1298                        struct netr_DSRDEREGISTERDNSHOSTRECORDS *r)
1299 {
1300         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1301 }
1302
1303
1304 /*
1305   netr_NETRSERVERTRUSTPASSWORDSGET
1306 */
1307 static WERROR netr_NETRSERVERTRUSTPASSWORDSGET(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1308                        struct netr_NETRSERVERTRUSTPASSWORDSGET *r)
1309 {
1310         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1311 }
1312
1313
1314 /*
1315   netr_DSRGETFORESTTRUSTINFORMATION
1316 */
1317 static WERROR netr_DSRGETFORESTTRUSTINFORMATION(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1318                        struct netr_DSRGETFORESTTRUSTINFORMATION *r)
1319 {
1320         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1321 }
1322
1323
1324 /*
1325   netr_NETRGETFORESTTRUSTINFORMATION
1326 */
1327 static WERROR netr_NETRGETFORESTTRUSTINFORMATION(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1328                        struct netr_NETRGETFORESTTRUSTINFORMATION *r)
1329 {
1330         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1331 }
1332
1333
1334 /*
1335   netr_NETRSERVERGETTRUSTINFO
1336 */
1337 static WERROR netr_NETRSERVERGETTRUSTINFO(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1338                        struct netr_NETRSERVERGETTRUSTINFO *r)
1339 {
1340         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1341 }
1342
1343
1344 /* include the generated boilerplate */
1345 #include "librpc/gen_ndr/ndr_netlogon_s.c"