source4/libnet/libnet_join.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher      2004
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   6    Copyright (C) Brad Henry 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libnet/libnet.h"
  25 #include "librpc/gen_ndr/ndr_drsuapi.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "passdb/secrets.h"
  29 #include "dsdb/samdb/samdb.h"
  30
  31 /*
  32  * complete a domain join, when joining to a AD domain:
  33  * 1.) connect and bind to the DRSUAPI pipe
  34  * 2.) do a DsCrackNames() to find the machine account dn
  35  * 3.) connect to LDAP
  36  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  37  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  38  * 6.) do a DsCrackNames() to find the domain dn
  39  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  40  */
  41 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  42 {
  43         NTSTATUS status;
  44
  45         TALLOC_CTX *tmp_ctx;
  46
  47         const char *realm = r->out.realm;
  48
  49         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  50
  51         struct dcerpc_pipe *drsuapi_pipe;
  52         struct dcerpc_binding *drsuapi_binding;
  53         struct drsuapi_DsBind r_drsuapi_bind;
  54         struct drsuapi_DsCrackNames r_crack_names;
  55         struct drsuapi_DsNameString names[1];
  56         struct policy_handle drsuapi_bind_handle;
  57         struct GUID drsuapi_bind_guid;
  58
  59         struct ldb_context *remote_ldb;
  60         const struct ldb_dn *account_dn;
  61         const char *account_dn_str;
  62         const char *remote_ldb_url;
  63         struct ldb_result *res;
  64         struct ldb_message *msg;
  65
  66         int ret, rtn;
  67
  68         unsigned int kvno;
  69
  70         const char * const attrs[] = {
  71                 "msDS-KeyVersionNumber",
  72                 "servicePrincipalName",
  73                 "dNSHostName",
  74                 NULL,
  75         };
  76
  77         r->out.error_string = NULL;
  78
  79         /* We need to convert between a samAccountName and domain to a
  80          * DN in the directory.  The correct way to do this is with
  81          * DRSUAPI CrackNames */
  82
  83         /* Fiddle with the bindings, so get to DRSUAPI on
  84          * NCACN_IP_TCP, sealed */
  85         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  86         if (!tmp_ctx) {
  87                 r->out.error_string = NULL;
  88                 return NT_STATUS_NO_MEMORY;
  89         }
  90
  91         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  92         if (!drsuapi_binding) {
  93                 r->out.error_string = NULL;
  94                 talloc_free(tmp_ctx);
  95                 return NT_STATUS_NO_MEMORY;
  96         }
  97
  98         *drsuapi_binding = *samr_binding;
  99
 100         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 101         if (drsuapi_binding->transport != NCALRPC) {
 102                 drsuapi_binding->transport = NCACN_IP_TCP;
 103         }
 104         drsuapi_binding->endpoint = NULL;
 105         drsuapi_binding->flags |= DCERPC_SEAL;
 106
 107         status = dcerpc_pipe_connect_b(tmp_ctx,
 108                                        &drsuapi_pipe,
 109                                        drsuapi_binding,
 110                                        &dcerpc_table_drsuapi,
 111                                        ctx->cred,
 112                                        ctx->event_ctx);
 113         if (!NT_STATUS_IS_OK(status)) {
 114                 r->out.error_string = talloc_asprintf(r,
 115                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 116                                         r->in.domain_name,
 117                                         nt_errstr(status));
 118                 talloc_free(tmp_ctx);
 119                 return status;
 120         }
 121
 122         /* get a DRSUAPI pipe handle */
 123         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 124
 125         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 126         r_drsuapi_bind.in.bind_info = NULL;
 127         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 128
 129         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 130         if (!NT_STATUS_IS_OK(status)) {
 131                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 132                         r->out.error_string
 133                                 = talloc_asprintf(r,
 134                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 135                                                   r->in.domain_name, r->in.account_name,
 136                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 137                         talloc_free(tmp_ctx);
 138                         return status;
 139                 } else {
 140                         r->out.error_string
 141                                 = talloc_asprintf(r,
 142                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 143                                                   r->in.domain_name, r->in.account_name,
 144                                                   nt_errstr(status));
 145                         talloc_free(tmp_ctx);
 146                         return status;
 147                 }
 148         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 149                 r->out.error_string
 150                                 = talloc_asprintf(r,
 151                                                   "DsBind failed - %s\n",
 152                                                   win_errstr(r_drsuapi_bind.out.result));
 153                         talloc_free(tmp_ctx);
 154                 return NT_STATUS_UNSUCCESSFUL;
 155         }
 156
 157         /* Actually 'crack' the names */
 158         ZERO_STRUCT(r_crack_names);
 159         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 160         r_crack_names.in.level                  = 1;
 161         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 162         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 163         r_crack_names.in.req.req1.count         = 1;
 164         r_crack_names.in.req.req1.names         = names;
 165         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 166         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 167         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 168         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 169         if (!names[0].str) {
 170                 r->out.error_string = NULL;
 171                 talloc_free(tmp_ctx);
 172                 return NT_STATUS_NO_MEMORY;
 173         }
 174
 175         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 176         if (!NT_STATUS_IS_OK(status)) {
 177                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 178                         r->out.error_string
 179                                 = talloc_asprintf(r,
 180                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 181                                                   names[0].str,
 182                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 183                         talloc_free(tmp_ctx);
 184                         return status;
 185                 } else {
 186                         r->out.error_string
 187                                 = talloc_asprintf(r,
 188                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 189                                                   names[0].str,
 190                                                   nt_errstr(status));
 191                         talloc_free(tmp_ctx);
 192                         return status;
 193                 }
 194         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 195                 r->out.error_string
 196                                 = talloc_asprintf(r,
 197                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 198                 talloc_free(tmp_ctx);
 199                 return NT_STATUS_UNSUCCESSFUL;
 200         } else if (r_crack_names.out.level != 1
 201                    || !r_crack_names.out.ctr.ctr1
 202                    || r_crack_names.out.ctr.ctr1->count != 1
 203                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 204                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 205                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 206                 talloc_free(tmp_ctx);
 207                 return NT_STATUS_UNSUCCESSFUL;
 208         }
 209
 210         /* Store the DN of our machine account. */
 211         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 212
 213         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 214         if (!account_dn) {
 215                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 216                                                       account_dn_str);
 217                 talloc_free(tmp_ctx);
 218                 return NT_STATUS_UNSUCCESSFUL;
 219         }
 220
 221         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 222
 223         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 224                                          drsuapi_binding->host);
 225         if (!remote_ldb_url) {
 226                 r->out.error_string = NULL;
 227                 talloc_free(tmp_ctx);
 228                 return NT_STATUS_NO_MEMORY;
 229         }
 230
 231         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 232                                       NULL, ctx->cred, 0, NULL);
 233         if (!remote_ldb) {
 234                 r->out.error_string = NULL;
 235                 talloc_free(tmp_ctx);
 236                 return NT_STATUS_UNSUCCESSFUL;
 237         }
 238
 239         /* search for the user's record */
 240         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 241                              NULL, attrs, &res);
 242         if (ret != LDB_SUCCESS || res->count != 1) {
 243                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 244                                                       account_dn_str, ldb_errstring(remote_ldb));
 245                 talloc_free(tmp_ctx);
 246                 return NT_STATUS_UNSUCCESSFUL;
 247         }
 248
 249         /* If we have a kvno recorded in AD, we need it locally as well */
 250         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 251
 252         /* Prepare a new message, for the modify */
 253         msg = ldb_msg_new(tmp_ctx);
 254         if (!msg) {
 255                 r->out.error_string = NULL;
 256                 talloc_free(tmp_ctx);
 257                 return NT_STATUS_NO_MEMORY;
 258         }
 259         msg->dn = res->msgs[0]->dn;
 260
 261         {
 262                 int i;
 263                 const char *service_principal_name[6];
 264                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 265                                                             talloc_asprintf(tmp_ctx,
 266                                                                             "%s.%s",
 267                                                                             r->in.netbios_name,
 268                                                                             realm));
 269
 270                 if (!dns_host_name) {
 271                         r->out.error_string = NULL;
 272                         talloc_free(tmp_ctx);
 273                         return NT_STATUS_NO_MEMORY;
 274                 }
 275
 276                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 277                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 278                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 279                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 280                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 281                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 282
 283                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 284                         if (!service_principal_name[i]) {
 285                                 r->out.error_string = NULL;
 286                                 talloc_free(tmp_ctx);
 287                                 return NT_STATUS_NO_MEMORY;
 288                         }
 289                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 290                         if (rtn == -1) {
 291                                 r->out.error_string = NULL;
 292                                 talloc_free(tmp_ctx);
 293                                 return NT_STATUS_NO_MEMORY;
 294                         }
 295                 }
 296
 297                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 298                 if (rtn == -1) {
 299                         r->out.error_string = NULL;
 300                         talloc_free(tmp_ctx);
 301                         return NT_STATUS_NO_MEMORY;
 302                 }
 303
 304                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 305                 if (rtn != 0) {
 306                         r->out.error_string
 307                                 = talloc_asprintf(r,
 308                                                   "Failed to replace entries on %s\n",
 309                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 310                         talloc_free(tmp_ctx);
 311                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 312                 }
 313         }
 314
 315         /* DsCrackNames to find out the DN of the domain. */
 316         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 317         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 318         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 319         if (!names[0].str) {
 320                 r->out.error_string = NULL;
 321                 talloc_free(tmp_ctx);
 322                 return NT_STATUS_NO_MEMORY;
 323         }
 324
 325         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 326         if (!NT_STATUS_IS_OK(status)) {
 327                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 328                         r->out.error_string
 329                                 = talloc_asprintf(r,
 330                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 331                                                   r->in.domain_name,
 332                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 333                         talloc_free(tmp_ctx);
 334                         return status;
 335                 } else {
 336                         r->out.error_string
 337                                 = talloc_asprintf(r,
 338                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 339                                                   r->in.domain_name,
 340                                                   nt_errstr(status));
 341                         talloc_free(tmp_ctx);
 342                         return status;
 343                 }
 344         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 345                 r->out.error_string
 346                         = talloc_asprintf(r,
 347                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 348                 talloc_free(tmp_ctx);
 349                 return NT_STATUS_UNSUCCESSFUL;
 350         } else if (r_crack_names.out.level != 1
 351                    || !r_crack_names.out.ctr.ctr1
 352                    || r_crack_names.out.ctr.ctr1->count != 1
 353                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 354                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 355                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 356                 talloc_free(tmp_ctx);
 357                 return NT_STATUS_UNSUCCESSFUL;
 358         }
 359
 360         /* Store the account DN. */
 361         r->out.account_dn_str = account_dn_str;
 362         talloc_steal(r, account_dn_str);
 363
 364         /* Store the domain DN. */
 365         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 366         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 367
 368         r->out.kvno = kvno;
 369
 370         if (r->in.acct_type == ACB_SVRTRUST) {
 371                 status = libnet_JoinSite(remote_ldb, r);
 372         }
 373         talloc_free(tmp_ctx);
 374
 375         return status;
 376 }
 377
 378 /*
 379  * do a domain join using DCERPC/SAMR calls
 380  * - connect to the LSA pipe, to try and find out information about the domain
 381  * - create a secondary connection to SAMR pipe
 382  * - do a samr_Connect to get a policy handle
 383  * - do a samr_LookupDomain to get the domain sid
 384  * - do a samr_OpenDomain to get a domain handle
 385  * - do a samr_CreateAccount to try and get a new account
 386  *
 387  * If that fails, do:
 388  * - do a samr_LookupNames to get the users rid
 389  * - do a samr_OpenUser to get a user handle
 390  * - potentially delete and recreate the user
 391  * - assert the account is of the right type with samrQueryUserInfo
 392  *
 393  * - call libnet_SetPassword_samr_handle to set the password
 394  *
 395  * - do a samrSetUserInfo to set the account flags
 396  * - do some ADS specific things when we join as Domain Controller,
 397  *    look at libnet_joinADSDomain() for the details
 398  */
 399 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 400 {
 401         TALLOC_CTX *tmp_ctx;
 402
 403         NTSTATUS status, cu_status;
 404
 405         struct libnet_RpcConnectDCInfo *connect_with_info;
 406         struct dcerpc_pipe *samr_pipe;
 407
 408         struct samr_Connect sc;
 409         struct policy_handle p_handle;
 410         struct samr_OpenDomain od;
 411         struct policy_handle d_handle;
 412         struct samr_LookupNames ln;
 413         struct samr_OpenUser ou;
 414         struct samr_CreateUser2 cu;
 415         struct policy_handle *u_handle = NULL;
 416         struct samr_QueryUserInfo qui;
 417         struct samr_SetUserInfo sui;
 418         union samr_UserInfo u_info;
 419         union libnet_SetPassword r2;
 420         struct samr_GetUserPwInfo pwp;
 421         struct lsa_String samr_account_name;
 422
 423         uint32_t acct_flags, old_acct_flags;
 424         uint32_t rid, access_granted;
 425         int policy_min_pw_len = 0;
 426
 427         struct dom_sid *account_sid = NULL;
 428         const char *password_str = NULL;
 429
 430         r->out.error_string = NULL;
 431         r2.samr_handle.out.error_string = NULL;
 432
 433         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 434         if (!tmp_ctx) {
 435                 r->out.error_string = NULL;
 436                 return NT_STATUS_NO_MEMORY;
 437         }
 438
 439         u_handle = talloc(tmp_ctx, struct policy_handle);
 440         if (!u_handle) {
 441                 r->out.error_string = NULL;
 442                 talloc_free(tmp_ctx);
 443                 return NT_STATUS_NO_MEMORY;
 444         }
 445
 446         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnectDCInfo);
 447         if (!connect_with_info) {
 448                 r->out.error_string = NULL;
 449                 talloc_free(tmp_ctx);
 450                 return NT_STATUS_NO_MEMORY;
 451         }
 452
 453         /* prepare connect to the LSA pipe of PDC */
 454         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 455                 connect_with_info->level      = LIBNET_RPC_CONNECT_PDC;
 456                 connect_with_info->in.name    = r->in.domain_name;
 457         } else {
 458                 connect_with_info->level      = LIBNET_RPC_CONNECT_BINDING;
 459                 connect_with_info->in.binding = r->in.binding;
 460         }
 461
 462         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 463         /*
 464           establish a SAMR connection, on the same CIFS transport
 465         */
 466
 467         status = libnet_RpcConnectDCInfo(ctx, connect_with_info);
 468         if (!NT_STATUS_IS_OK(status)) {
 469                 if (r->in.binding) {
 470                         r->out.error_string = talloc_asprintf(mem_ctx,
 471                                                               "Connection to SAMR pipe of DC %s failed: %s",
 472                                                               r->in.binding, connect_with_info->out.error_string);
 473                 } else {
 474                         r->out.error_string = talloc_asprintf(mem_ctx,
 475                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 476                                                               r->in.domain_name, connect_with_info->out.error_string);
 477                 }
 478                 talloc_free(tmp_ctx);
 479                 return status;
 480         }
 481
 482         samr_pipe = connect_with_info->out.dcerpc_pipe,
 483
 484         status = dcerpc_pipe_auth(samr_pipe,
 485                                   connect_with_info->out.dcerpc_pipe->binding,
 486                                   &dcerpc_table_samr, ctx->cred);
 487         if (!NT_STATUS_IS_OK(status)) {
 488                 r->out.error_string = talloc_asprintf(mem_ctx,
 489                                                 "SAMR bind failed: %s",
 490                                                 nt_errstr(status));
 491                 talloc_free(tmp_ctx);
 492                 return status;
 493         }
 494
 495         /* prepare samr_Connect */
 496         ZERO_STRUCT(p_handle);
 497         sc.in.system_name = NULL;
 498         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 499         sc.out.connect_handle = &p_handle;
 500
 501         /* 2. do a samr_Connect to get a policy handle */
 502         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 503         if (!NT_STATUS_IS_OK(status)) {
 504                 r->out.error_string = talloc_asprintf(mem_ctx,
 505                                                 "samr_Connect failed: %s",
 506                                                 nt_errstr(status));
 507                 talloc_free(tmp_ctx);
 508                 return status;
 509         }
 510
 511         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 512         if (!connect_with_info->out.domain_name) {
 513                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 514                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 515                 } else {
 516                         /* Bugger, we just lost our way to automaticly find the domain name */
 517                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 518                 }
 519         }
 520
 521         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 522         if (!connect_with_info->out.domain_sid) {
 523                 struct lsa_String name;
 524                 struct samr_LookupDomain l;
 525                 name.string = connect_with_info->out.domain_name;
 526                 l.in.connect_handle = &p_handle;
 527                 l.in.domain_name = &name;
 528
 529                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 530                 if (!NT_STATUS_IS_OK(status)) {
 531                         r->out.error_string = talloc_asprintf(mem_ctx,
 532                                                               "SAMR LookupDomain failed: %s",
 533                                                               nt_errstr(status));
 534                         talloc_free(tmp_ctx);
 535                         return status;
 536                 }
 537                 connect_with_info->out.domain_sid = l.out.sid;
 538         }
 539
 540         /* prepare samr_OpenDomain */
 541         ZERO_STRUCT(d_handle);
 542         od.in.connect_handle = &p_handle;
 543         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 544         od.in.sid = connect_with_info->out.domain_sid;
 545         od.out.domain_handle = &d_handle;
 546
 547         /* do a samr_OpenDomain to get a domain handle */
 548         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 549         if (!NT_STATUS_IS_OK(status)) {
 550                 r->out.error_string = talloc_asprintf(mem_ctx,
 551                                                       "samr_OpenDomain for [%s] failed: %s",
 552                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 553                                                       nt_errstr(status));
 554                 talloc_free(tmp_ctx);
 555                 return status;
 556         }
 557
 558         /* prepare samr_CreateUser2 */
 559         ZERO_STRUCTP(u_handle);
 560         cu.in.domain_handle  = &d_handle;
 561         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 562         samr_account_name.string = r->in.account_name;
 563         cu.in.account_name    = &samr_account_name;
 564         cu.in.acct_flags      = r->in.acct_type;
 565         cu.out.user_handle    = u_handle;
 566         cu.out.rid            = &rid;
 567         cu.out.access_granted = &access_granted;
 568
 569         /* do a samr_CreateUser2 to get an account handle, or an error */
 570         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 571         status = cu_status;
 572         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 573                 /* prepare samr_LookupNames */
 574                 ln.in.domain_handle = &d_handle;
 575                 ln.in.num_names = 1;
 576                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 577                 if (!ln.in.names) {
 578                         r->out.error_string = NULL;
 579                         talloc_free(tmp_ctx);
 580                         return NT_STATUS_NO_MEMORY;
 581                 }
 582                 ln.in.names[0].string = r->in.account_name;
 583
 584                 /* 5. do a samr_LookupNames to get the users rid */
 585                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 586                 if (!NT_STATUS_IS_OK(status)) {
 587                         r->out.error_string = talloc_asprintf(mem_ctx,
 588                                                 "samr_LookupNames for [%s] failed: %s",
 589                                                 r->in.account_name,
 590                                                 nt_errstr(status));
 591                         talloc_free(tmp_ctx);
 592                         return status;
 593                 }
 594
 595                 /* check if we got one RID for the user */
 596                 if (ln.out.rids.count != 1) {
 597                         r->out.error_string = talloc_asprintf(mem_ctx,
 598                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 599                                                               r->in.account_name, ln.out.rids.count);
 600                         talloc_free(tmp_ctx);
 601                         return NT_STATUS_INVALID_PARAMETER;
 602                 }
 603
 604                 /* prepare samr_OpenUser */
 605                 ZERO_STRUCTP(u_handle);
 606                 ou.in.domain_handle = &d_handle;
 607                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 608                 ou.in.rid = ln.out.rids.ids[0];
 609                 rid = ou.in.rid;
 610                 ou.out.user_handle = u_handle;
 611
 612                 /* 6. do a samr_OpenUser to get a user handle */
 613                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 614                 if (!NT_STATUS_IS_OK(status)) {
 615                         r->out.error_string = talloc_asprintf(mem_ctx,
 616                                                         "samr_OpenUser for [%s] failed: %s",
 617                                                         r->in.account_name,
 618                                                         nt_errstr(status));
 619                         talloc_free(tmp_ctx);
 620                         return status;
 621                 }
 622
 623                 if (r->in.recreate_account) {
 624                         struct samr_DeleteUser d;
 625                         d.in.user_handle = u_handle;
 626                         d.out.user_handle = u_handle;
 627                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 628                         if (!NT_STATUS_IS_OK(status)) {
 629                                 r->out.error_string = talloc_asprintf(mem_ctx,
 630                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 631                                                                       r->in.account_name,
 632                                                                       nt_errstr(status));
 633                                 talloc_free(tmp_ctx);
 634                                 return status;
 635                         }
 636
 637                         /* We want to recreate, so delete and another samr_CreateUser2 */
 638
 639                         /* &cu filled in above */
 640                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 641                         if (!NT_STATUS_IS_OK(status)) {
 642                                 r->out.error_string = talloc_asprintf(mem_ctx,
 643                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 644                                                                       r->in.domain_name, nt_errstr(status));
 645                                 talloc_free(tmp_ctx);
 646                                 return status;
 647                         }
 648                 }
 649         } else if (!NT_STATUS_IS_OK(status)) {
 650                 r->out.error_string = talloc_asprintf(mem_ctx,
 651                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 652                                                       r->in.domain_name, nt_errstr(status));
 653                 talloc_free(tmp_ctx);
 654                 return status;
 655         }
 656
 657         /* prepare samr_QueryUserInfo (get flags) */
 658         qui.in.user_handle = u_handle;
 659         qui.in.level = 16;
 660
 661         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 662         if (!NT_STATUS_IS_OK(status)) {
 663                 r->out.error_string = talloc_asprintf(mem_ctx,
 664                                                 "samr_QueryUserInfo for [%s] failed: %s",
 665                                                 r->in.account_name,
 666                                                 nt_errstr(status));
 667                 talloc_free(tmp_ctx);
 668                 return status;
 669         }
 670
 671         if (!qui.out.info) {
 672                 status = NT_STATUS_INVALID_PARAMETER;
 673                 r->out.error_string
 674                         = talloc_asprintf(mem_ctx,
 675                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 676                                           r->in.account_name, nt_errstr(status));
 677                 talloc_free(tmp_ctx);
 678                 return status;
 679         }
 680
 681         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 682         /* Possibly bail if the account is of the wrong type */
 683         if (old_acct_flags
 684             != r->in.acct_type) {
 685                 const char *old_account_type, *new_account_type;
 686                 switch (old_acct_flags) {
 687                 case ACB_WSTRUST:
 688                         old_account_type = "domain member (member)";
 689                         break;
 690                 case ACB_SVRTRUST:
 691                         old_account_type = "domain controller (bdc)";
 692                         break;
 693                 case ACB_DOMTRUST:
 694                         old_account_type = "trusted domain";
 695                         break;
 696                 default:
 697                         return NT_STATUS_INVALID_PARAMETER;
 698                 }
 699                 switch (r->in.acct_type) {
 700                 case ACB_WSTRUST:
 701                         new_account_type = "domain member (member)";
 702                         break;
 703                 case ACB_SVRTRUST:
 704                         new_account_type = "domain controller (bdc)";
 705                         break;
 706                 case ACB_DOMTRUST:
 707                         new_account_type = "trusted domain";
 708                         break;
 709                 default:
 710                         return NT_STATUS_INVALID_PARAMETER;
 711                 }
 712
 713                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 714                         /* We created a new user, but they didn't come out the right type?!? */
 715                         r->out.error_string
 716                                 = talloc_asprintf(mem_ctx,
 717                                                   "We asked to create a new machine account (%s) of type %s, "
 718                                                   "but we got an account of type %s.  This is unexpected.  "
 719                                                   "Perhaps delete the account and try again.\n",
 720                                                   r->in.account_name, new_account_type, old_account_type);
 721                         talloc_free(tmp_ctx);
 722                         return NT_STATUS_INVALID_PARAMETER;
 723                 } else {
 724                         /* The account is of the wrong type, so bail */
 725
 726                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 727                         r->out.error_string
 728                                 = talloc_asprintf(mem_ctx,
 729                                                   "The machine account (%s) already exists in the domain %s, "
 730                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 731                                                   "the account and try again.\n",
 732                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 733                         talloc_free(tmp_ctx);
 734                         return NT_STATUS_USER_EXISTS;
 735                 }
 736         } else {
 737                 acct_flags = qui.out.info->info16.acct_flags;
 738         }
 739
 740         acct_flags = (acct_flags & ~ACB_DISABLED);
 741
 742         /* Find out what password policy this user has */
 743         pwp.in.user_handle = u_handle;
 744
 745         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 746         if (NT_STATUS_IS_OK(status)) {
 747                 policy_min_pw_len = pwp.out.info.min_password_length;
 748         }
 749
 750         /* Grab a password of that minimum length */
 751
 752         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 753
 754         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 755         r2.samr_handle.in.account_name  = r->in.account_name;
 756         r2.samr_handle.in.newpassword   = password_str;
 757         r2.samr_handle.in.user_handle   = u_handle;
 758         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 759
 760         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 761         if (!NT_STATUS_IS_OK(status)) {
 762                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 763                 talloc_free(tmp_ctx);
 764                 return status;
 765         }
 766
 767         /* reset flags (if required) */
 768         if (acct_flags != qui.out.info->info16.acct_flags) {
 769                 ZERO_STRUCT(u_info);
 770                 u_info.info16.acct_flags = acct_flags;
 771
 772                 sui.in.user_handle = u_handle;
 773                 sui.in.info = &u_info;
 774                 sui.in.level = 16;
 775
 776                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 777                 if (!NT_STATUS_IS_OK(status)) {
 778                         r->out.error_string = talloc_asprintf(mem_ctx,
 779                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 780                                                         r->in.account_name,
 781                                                         nt_errstr(status));
 782                         talloc_free(tmp_ctx);
 783                         return status;
 784                 }
 785         }
 786
 787         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 788         if (!account_sid) {
 789                 r->out.error_string = NULL;
 790                 talloc_free(tmp_ctx);
 791                 return NT_STATUS_NO_MEMORY;
 792         }
 793
 794         /* Finish out by pushing various bits of status data out for the caller to use */
 795         r->out.join_password = password_str;
 796         talloc_steal(mem_ctx, r->out.join_password);
 797
 798         r->out.domain_sid = connect_with_info->out.domain_sid;
 799         talloc_steal(mem_ctx, r->out.domain_sid);
 800
 801         r->out.account_sid = account_sid;
 802         talloc_steal(mem_ctx, r->out.account_sid);
 803
 804         r->out.domain_name = connect_with_info->out.domain_name;
 805         talloc_steal(mem_ctx, r->out.domain_name);
 806         r->out.realm = connect_with_info->out.realm;
 807         talloc_steal(mem_ctx, r->out.realm);
 808         r->out.samr_pipe = samr_pipe;
 809         talloc_steal(mem_ctx, samr_pipe);
 810         r->out.samr_binding = samr_pipe->binding;
 811         talloc_steal(mem_ctx, r->out.samr_binding);
 812         r->out.user_handle = u_handle;
 813         talloc_steal(mem_ctx, u_handle);
 814         r->out.error_string = r2.samr_handle.out.error_string;
 815         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 816         r->out.kvno = 0;
 817         r->out.server_dn_str = NULL;
 818         talloc_free(tmp_ctx);
 819
 820         /* Now, if it was AD, then we want to start looking changing a
 821          * few more things.  Otherwise, we are done. */
 822         if (r->out.realm) {
 823                 status = libnet_JoinADSDomain(ctx, r);
 824                 return status;
 825         }
 826
 827         return status;
 828 }
 829
 830 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 831                                            TALLOC_CTX *mem_ctx,
 832                                            struct libnet_Join *r)
 833 {
 834         NTSTATUS status;
 835         TALLOC_CTX *tmp_mem;
 836         struct libnet_JoinDomain *r2;
 837         int ret, rtn;
 838         struct ldb_context *ldb;
 839         const struct ldb_dn *base_dn;
 840         struct ldb_message **msgs, *msg;
 841         const char *sct;
 842         const char * const attrs[] = {
 843                 "whenChanged",
 844                 "secret",
 845                 "priorSecret",
 846                 "priorChanged",
 847                 "krb5Keytab",
 848                 "privateKeytab",
 849                 NULL
 850         };
 851         uint32_t acct_type = 0;
 852         const char *account_name;
 853         const char *netbios_name;
 854         char *filter;
 855
 856         r->out.error_string = NULL;
 857
 858         tmp_mem = talloc_new(mem_ctx);
 859         if (!tmp_mem) {
 860                 return NT_STATUS_NO_MEMORY;
 861         }
 862
 863         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 864         if (!r2) {
 865                 r->out.error_string = NULL;
 866                 talloc_free(tmp_mem);
 867                 return NT_STATUS_NO_MEMORY;
 868         }
 869
 870         if (r->in.join_type == SEC_CHAN_BDC) {
 871                 acct_type = ACB_SVRTRUST;
 872         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 873                 acct_type = ACB_WSTRUST;
 874         } else {
 875                 r->out.error_string = NULL;
 876                 talloc_free(tmp_mem);
 877                 return NT_STATUS_INVALID_PARAMETER;
 878         }
 879
 880         if (r->in.netbios_name != NULL) {
 881                 netbios_name = r->in.netbios_name;
 882         } else {
 883                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 884                 if (!netbios_name) {
 885                         r->out.error_string = NULL;
 886                         talloc_free(tmp_mem);
 887                         return NT_STATUS_NO_MEMORY;
 888                 }
 889         }
 890
 891         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 892         if (!account_name) {
 893                 r->out.error_string = NULL;
 894                 talloc_free(tmp_mem);
 895                 return NT_STATUS_NO_MEMORY;
 896         }
 897
 898         /*
 899          * Local secrets are stored in secrets.ldb
 900          * open it to make sure we can write the info into it after the join
 901          */
 902         ldb = secrets_db_connect(tmp_mem);
 903         if (!ldb) {
 904                 r->out.error_string
 905                         = talloc_asprintf(mem_ctx,
 906                                           "Could not open secrets database\n");
 907                 talloc_free(tmp_mem);
 908                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 909         }
 910
 911         /*
 912          * join the domain
 913          */
 914         ZERO_STRUCTP(r2);
 915         r2->in.domain_name      = r->in.domain_name;
 916         r2->in.account_name     = account_name;
 917         r2->in.netbios_name     = netbios_name;
 918         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 919         r2->in.acct_type        = acct_type;
 920         r2->in.recreate_account = False;
 921         status = libnet_JoinDomain(ctx, r2, r2);
 922         if (!NT_STATUS_IS_OK(status)) {
 923                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 924                 talloc_free(tmp_mem);
 925                 return status;
 926         }
 927
 928         /*
 929          * now prepare the record for secrets.ldb
 930          */
 931         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 932         if (!sct) {
 933                 r->out.error_string = NULL;
 934                 talloc_free(tmp_mem);
 935                 return NT_STATUS_NO_MEMORY;
 936         }
 937
 938         msg = ldb_msg_new(tmp_mem);
 939         if (!msg) {
 940                 r->out.error_string = NULL;
 941                 talloc_free(tmp_mem);
 942                 return NT_STATUS_NO_MEMORY;
 943         }
 944
 945         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 946         if (!base_dn) {
 947                 r->out.error_string = NULL;
 948                 talloc_free(tmp_mem);
 949                 return NT_STATUS_NO_MEMORY;
 950         }
 951
 952         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 953         if (!msg->dn) {
 954                 r->out.error_string = NULL;
 955                 talloc_free(tmp_mem);
 956                 return NT_STATUS_NO_MEMORY;
 957         }
 958
 959         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 960         if (rtn == -1) {
 961                 r->out.error_string = NULL;
 962                 talloc_free(tmp_mem);
 963                 return NT_STATUS_NO_MEMORY;
 964         }
 965
 966         if (r2->out.realm) {
 967                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 968                 if (rtn == -1) {
 969                         r->out.error_string = NULL;
 970                         talloc_free(tmp_mem);
 971                         return NT_STATUS_NO_MEMORY;
 972                 }
 973
 974                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 975                 if (rtn == -1) {
 976                         r->out.error_string = NULL;
 977                         talloc_free(tmp_mem);
 978                         return NT_STATUS_NO_MEMORY;
 979                 }
 980         }
 981
 982         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 983         if (rtn == -1) {
 984                 r->out.error_string = NULL;
 985                 talloc_free(tmp_mem);
 986                 return NT_STATUS_NO_MEMORY;
 987         }
 988
 989         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
 990         if (rtn == -1) {
 991                 r->out.error_string = NULL;
 992                 talloc_free(tmp_mem);
 993                 return NT_STATUS_NO_MEMORY;
 994         }
 995
 996         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
 997         if (rtn == -1) {
 998                 r->out.error_string = NULL;
 999                 talloc_free(tmp_mem);
1000                 return NT_STATUS_NO_MEMORY;
1001         }
1002
1003         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1004         if (rtn == -1) {
1005                 r->out.error_string = NULL;
1006                 talloc_free(tmp_mem);
1007                 return NT_STATUS_NO_MEMORY;
1008         }
1009
1010         if (r2->out.kvno) {
1011                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1012                                          r2->out.kvno);
1013                 if (rtn == -1) {
1014                         r->out.error_string = NULL;
1015                         talloc_free(tmp_mem);
1016                         return NT_STATUS_NO_MEMORY;
1017                 }
1018         }
1019
1020         if (r2->out.domain_sid) {
1021                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1022                                             r2->out.domain_sid);
1023                 if (rtn == -1) {
1024                         r->out.error_string = NULL;
1025                         talloc_free(tmp_mem);
1026                         return NT_STATUS_NO_MEMORY;
1027                 }
1028         }
1029
1030         /*
1031          * search for the secret record
1032          * - remove the records we find
1033          * - and fetch the old secret and store it under priorSecret
1034          */
1035         ret = gendb_search(ldb,
1036                            tmp_mem, base_dn,
1037                            &msgs, attrs,
1038                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1039                            r2->out.domain_name, r2->out.realm);
1040         if (ret == 0) {
1041                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1042                 if (rtn == -1) {
1043                         r->out.error_string = NULL;
1044                         talloc_free(tmp_mem);
1045                         return NT_STATUS_NO_MEMORY;
1046                 }
1047         } else if (ret == -1) {
1048                 r->out.error_string
1049                         = talloc_asprintf(mem_ctx,
1050                                           "Search for domain: %s and realm: %s failed: %s",
1051                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1052                 talloc_free(tmp_mem);
1053                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1054         } else {
1055                 const struct ldb_val *private_keytab;
1056                 const struct ldb_val *krb5_keytab;
1057                 const struct ldb_val *prior_secret;
1058                 const struct ldb_val *prior_modified_time;
1059                 int i;
1060
1061                 for (i = 0; i < ret; i++) {
1062                         ldb_delete(ldb, msgs[i]->dn);
1063                 }
1064
1065                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1066                 if (prior_secret) {
1067                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1068                         if (rtn == -1) {
1069                                 r->out.error_string = NULL;
1070                                 talloc_free(tmp_mem);
1071                                 return NT_STATUS_NO_MEMORY;
1072                         }
1073                 }
1074                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1075                 if (rtn == -1) {
1076                         r->out.error_string = NULL;
1077                         talloc_free(tmp_mem);
1078                         return NT_STATUS_NO_MEMORY;
1079                 }
1080
1081                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1082                                                            "whenChanged");
1083                 if (prior_modified_time) {
1084                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1085                                                   prior_modified_time);
1086                         if (rtn == -1) {
1087                                 r->out.error_string = NULL;
1088                                 talloc_free(tmp_mem);
1089                                 return NT_STATUS_NO_MEMORY;
1090                         }
1091                 }
1092
1093                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1094                 if (rtn == -1) {
1095                         r->out.error_string = NULL;
1096                         talloc_free(tmp_mem);
1097                         return NT_STATUS_NO_MEMORY;
1098                 }
1099
1100                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1101                 if (rtn == -1) {
1102                         r->out.error_string = NULL;
1103                         talloc_free(tmp_mem);
1104                         return NT_STATUS_NO_MEMORY;
1105                 }
1106
1107                 /* We will want to keep the keytab names */
1108                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1109                 if (private_keytab) {
1110                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1111                         if (rtn == -1) {
1112                                 r->out.error_string = NULL;
1113                                 talloc_free(tmp_mem);
1114                                 return NT_STATUS_NO_MEMORY;
1115                         }
1116                 }
1117                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1118                 if (krb5_keytab) {
1119                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1120                         if (rtn == -1) {
1121                                 r->out.error_string = NULL;
1122                                 talloc_free(tmp_mem);
1123                                 return NT_STATUS_NO_MEMORY;
1124                         }
1125                 }
1126         }
1127
1128         /* create the secret */
1129         ret = samdb_add(ldb, tmp_mem, msg);
1130         if (ret != 0) {
1131                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1132                                                       ldb_dn_linearize(ldb, msg->dn));
1133                 talloc_free(tmp_mem);
1134                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1135         }
1136
1137         if (r2->out.realm) {
1138                 struct cli_credentials *creds;
1139                 /* Make a credentials structure from it */
1140                 creds = cli_credentials_init(mem_ctx);
1141                 if (!creds) {
1142                         r->out.error_string = NULL;
1143                         talloc_free(tmp_mem);
1144                         return NT_STATUS_NO_MEMORY;
1145                 }
1146                 cli_credentials_set_conf(creds);
1147                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1148                 status = cli_credentials_set_secrets(creds, NULL, filter);
1149                 if (!NT_STATUS_IS_OK(status)) {
1150                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1151                                                               filter);
1152                         talloc_free(tmp_mem);
1153                         return status;
1154                 }
1155                 ret = cli_credentials_update_keytab(creds);
1156                 if (ret != 0) {
1157                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1158                                                               filter);
1159                         talloc_free(tmp_mem);
1160                         return NT_STATUS_UNSUCCESSFUL;
1161                 }
1162         }
1163
1164         /* move all out parameter to the callers TALLOC_CTX */
1165         r->out.error_string     = NULL;
1166         r->out.join_password    = r2->out.join_password;
1167         talloc_steal(mem_ctx, r2->out.join_password);
1168         r->out.domain_sid       = r2->out.domain_sid;
1169         talloc_steal(mem_ctx, r2->out.domain_sid);
1170         r->out.domain_name      = r2->out.domain_name;
1171         talloc_steal(mem_ctx, r2->out.domain_name);
1172         talloc_free(tmp_mem);
1173         return NT_STATUS_OK;
1174 }
1175
1176 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1177 {
1178         switch (r->in.join_type) {
1179                 case SEC_CHAN_WKSTA:
1180                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1181                 case SEC_CHAN_BDC:
1182                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1183                 case SEC_CHAN_DOMAIN:
1184                         break;
1185         }
1186
1187         r->out.error_string = talloc_asprintf(mem_ctx,
1188                                               "Invalid join type specified (%08X) attempting to join domain %s",
1189                                               r->in.join_type, r->in.domain_name);
1190         return NT_STATUS_INVALID_PARAMETER;
1191 }