source/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_c.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 #include "db_wrap.h"
  31 #include "libcli/security/proto.h"
  32 #include "auth/credentials/credentials.h"
  33 #include "librpc/gen_ndr/ndr_samr_c.h"
  34 #include "librpc/gen_ndr/ndr_security.h"
  35
  36 /*
  37  * complete a domain join, when joining to a AD domain:
  38  * 1.) connect and bind to the DRSUAPI pipe
  39  * 2.) do a DsCrackNames() to find the machine account dn
  40  * 3.) connect to LDAP
  41  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  42  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  43  * 6.) do a DsCrackNames() to find the domain dn
  44  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  45  */
  46 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  47 {
  48         NTSTATUS status;
  49
  50         TALLOC_CTX *tmp_ctx;
  51
  52         const char *realm = r->out.realm;
  53
  54         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  55
  56         struct dcerpc_pipe *drsuapi_pipe;
  57         struct dcerpc_binding *drsuapi_binding;
  58         struct drsuapi_DsBind r_drsuapi_bind;
  59         struct drsuapi_DsCrackNames r_crack_names;
  60         struct drsuapi_DsNameString names[1];
  61         struct policy_handle drsuapi_bind_handle;
  62         struct GUID drsuapi_bind_guid;
  63
  64         struct ldb_context *remote_ldb;
  65         const struct ldb_dn *account_dn;
  66         const char *account_dn_str;
  67         const char *remote_ldb_url;
  68         struct ldb_result *res;
  69         struct ldb_message *msg;
  70
  71         int ret, rtn;
  72
  73         unsigned int kvno;
  74
  75         const char * const attrs[] = {
  76                 "msDS-KeyVersionNumber",
  77                 "servicePrincipalName",
  78                 "dNSHostName",
  79                 NULL,
  80         };
  81
  82         r->out.error_string = NULL;
  83
  84         /* We need to convert between a samAccountName and domain to a
  85          * DN in the directory.  The correct way to do this is with
  86          * DRSUAPI CrackNames */
  87
  88         /* Fiddle with the bindings, so get to DRSUAPI on
  89          * NCACN_IP_TCP, sealed */
  90         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  91         if (!tmp_ctx) {
  92                 r->out.error_string = NULL;
  93                 return NT_STATUS_NO_MEMORY;
  94         }
  95
  96         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  97         if (!drsuapi_binding) {
  98                 r->out.error_string = NULL;
  99                 talloc_free(tmp_ctx);
 100                 return NT_STATUS_NO_MEMORY;
 101         }
 102
 103         *drsuapi_binding = *samr_binding;
 104
 105         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 106         if (drsuapi_binding->transport != NCALRPC) {
 107                 drsuapi_binding->transport = NCACN_IP_TCP;
 108         }
 109         drsuapi_binding->endpoint = NULL;
 110         drsuapi_binding->flags |= DCERPC_SEAL;
 111
 112         status = dcerpc_pipe_connect_b(tmp_ctx,
 113                                        &drsuapi_pipe,
 114                                        drsuapi_binding,
 115                                        &dcerpc_table_drsuapi,
 116                                        ctx->cred,
 117                                        ctx->event_ctx);
 118         if (!NT_STATUS_IS_OK(status)) {
 119                 r->out.error_string = talloc_asprintf(r,
 120                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 121                                         r->in.domain_name,
 122                                         nt_errstr(status));
 123                 talloc_free(tmp_ctx);
 124                 return status;
 125         }
 126
 127         /* get a DRSUAPI pipe handle */
 128         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 129
 130         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 131         r_drsuapi_bind.in.bind_info = NULL;
 132         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 133
 134         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 135         if (!NT_STATUS_IS_OK(status)) {
 136                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 137                         r->out.error_string
 138                                 = talloc_asprintf(r,
 139                                                   "dcerpc_drsuapi_DsBind failed - %s\n",
 140                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 141                         talloc_free(tmp_ctx);
 142                         return status;
 143                 } else {
 144                         r->out.error_string
 145                                 = talloc_asprintf(r,
 146                                                   "dcerpc_drsuapi_DsBind failed - %s\n",
 147                                                   nt_errstr(status));
 148                         talloc_free(tmp_ctx);
 149                         return status;
 150                 }
 151         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 152                 r->out.error_string
 153                                 = talloc_asprintf(r,
 154                                                   "DsBind failed - %s\n",
 155                                                   win_errstr(r_drsuapi_bind.out.result));
 156                         talloc_free(tmp_ctx);
 157                 return NT_STATUS_UNSUCCESSFUL;
 158         }
 159
 160         /* Actually 'crack' the names */
 161         ZERO_STRUCT(r_crack_names);
 162         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 163         r_crack_names.in.level                  = 1;
 164         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 165         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 166         r_crack_names.in.req.req1.count         = 1;
 167         r_crack_names.in.req.req1.names         = names;
 168         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 169         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 170         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 171         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 172         if (!names[0].str) {
 173                 r->out.error_string = NULL;
 174                 talloc_free(tmp_ctx);
 175                 return NT_STATUS_NO_MEMORY;
 176         }
 177
 178         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 179         if (!NT_STATUS_IS_OK(status)) {
 180                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 181                         r->out.error_string
 182                                 = talloc_asprintf(r,
 183                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 184                                                   names[0].str,
 185                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 186                         talloc_free(tmp_ctx);
 187                         return status;
 188                 } else {
 189                         r->out.error_string
 190                                 = talloc_asprintf(r,
 191                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 192                                                   names[0].str,
 193                                                   nt_errstr(status));
 194                         talloc_free(tmp_ctx);
 195                         return status;
 196                 }
 197         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 198                 r->out.error_string
 199                                 = talloc_asprintf(r,
 200                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 201                 talloc_free(tmp_ctx);
 202                 return NT_STATUS_UNSUCCESSFUL;
 203         } else if (r_crack_names.out.level != 1
 204                    || !r_crack_names.out.ctr.ctr1
 205                    || r_crack_names.out.ctr.ctr1->count != 1
 206                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 207                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 208                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 209                 talloc_free(tmp_ctx);
 210                 return NT_STATUS_UNSUCCESSFUL;
 211         }
 212
 213         /* Store the DN of our machine account. */
 214         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 215
 216         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 217         if (!account_dn) {
 218                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 219                                                       account_dn_str);
 220                 talloc_free(tmp_ctx);
 221                 return NT_STATUS_UNSUCCESSFUL;
 222         }
 223
 224         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 225
 226         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 227                                          drsuapi_binding->host);
 228         if (!remote_ldb_url) {
 229                 r->out.error_string = NULL;
 230                 talloc_free(tmp_ctx);
 231                 return NT_STATUS_NO_MEMORY;
 232         }
 233
 234         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 235                                       NULL, ctx->cred, 0, NULL);
 236         if (!remote_ldb) {
 237                 r->out.error_string = NULL;
 238                 talloc_free(tmp_ctx);
 239                 return NT_STATUS_UNSUCCESSFUL;
 240         }
 241
 242         /* search for the user's record */
 243         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 244                              NULL, attrs, &res);
 245         if (ret != LDB_SUCCESS || res->count != 1) {
 246                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 247                                                       account_dn_str, ldb_errstring(remote_ldb));
 248                 talloc_free(tmp_ctx);
 249                 return NT_STATUS_UNSUCCESSFUL;
 250         }
 251
 252         /* If we have a kvno recorded in AD, we need it locally as well */
 253         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 254
 255         /* Prepare a new message, for the modify */
 256         msg = ldb_msg_new(tmp_ctx);
 257         if (!msg) {
 258                 r->out.error_string = NULL;
 259                 talloc_free(tmp_ctx);
 260                 return NT_STATUS_NO_MEMORY;
 261         }
 262         msg->dn = res->msgs[0]->dn;
 263
 264         {
 265                 int i;
 266                 const char *service_principal_name[6];
 267                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 268                                                             talloc_asprintf(tmp_ctx,
 269                                                                             "%s.%s",
 270                                                                             r->in.netbios_name,
 271                                                                             realm));
 272
 273                 if (!dns_host_name) {
 274                         r->out.error_string = NULL;
 275                         talloc_free(tmp_ctx);
 276                         return NT_STATUS_NO_MEMORY;
 277                 }
 278
 279                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 280                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 281                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 282                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 283                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 284                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 285
 286                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 287                         if (!service_principal_name[i]) {
 288                                 r->out.error_string = NULL;
 289                                 talloc_free(tmp_ctx);
 290                                 return NT_STATUS_NO_MEMORY;
 291                         }
 292                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 293                         if (rtn == -1) {
 294                                 r->out.error_string = NULL;
 295                                 talloc_free(tmp_ctx);
 296                                 return NT_STATUS_NO_MEMORY;
 297                         }
 298                 }
 299
 300                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 301                 if (rtn == -1) {
 302                         r->out.error_string = NULL;
 303                         talloc_free(tmp_ctx);
 304                         return NT_STATUS_NO_MEMORY;
 305                 }
 306
 307                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 308                 if (rtn != 0) {
 309                         r->out.error_string
 310                                 = talloc_asprintf(r,
 311                                                   "Failed to replace entries on %s\n",
 312                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 313                         talloc_free(tmp_ctx);
 314                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 315                 }
 316         }
 317
 318         /* DsCrackNames to find out the DN of the domain. */
 319         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 320         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 321         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 322         if (!names[0].str) {
 323                 r->out.error_string = NULL;
 324                 talloc_free(tmp_ctx);
 325                 return NT_STATUS_NO_MEMORY;
 326         }
 327
 328         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 329         if (!NT_STATUS_IS_OK(status)) {
 330                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 331                         r->out.error_string
 332                                 = talloc_asprintf(r,
 333                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 334                                                   r->in.domain_name,
 335                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 336                         talloc_free(tmp_ctx);
 337                         return status;
 338                 } else {
 339                         r->out.error_string
 340                                 = talloc_asprintf(r,
 341                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 342                                                   r->in.domain_name,
 343                                                   nt_errstr(status));
 344                         talloc_free(tmp_ctx);
 345                         return status;
 346                 }
 347         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 348                 r->out.error_string
 349                         = talloc_asprintf(r,
 350                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 351                 talloc_free(tmp_ctx);
 352                 return NT_STATUS_UNSUCCESSFUL;
 353         } else if (r_crack_names.out.level != 1
 354                    || !r_crack_names.out.ctr.ctr1
 355                    || r_crack_names.out.ctr.ctr1->count != 1
 356                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 357                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 358                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 359                 talloc_free(tmp_ctx);
 360                 return NT_STATUS_UNSUCCESSFUL;
 361         }
 362
 363         /* Store the account DN. */
 364         r->out.account_dn_str = account_dn_str;
 365         talloc_steal(r, account_dn_str);
 366
 367         /* Store the domain DN. */
 368         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 369         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 370
 371         r->out.kvno = kvno;
 372
 373         if (r->in.acct_type == ACB_SVRTRUST) {
 374                 status = libnet_JoinSite(remote_ldb, r);
 375         }
 376         talloc_free(tmp_ctx);
 377
 378         return status;
 379 }
 380
 381 /*
 382  * do a domain join using DCERPC/SAMR calls
 383  * - connect to the LSA pipe, to try and find out information about the domain
 384  * - create a secondary connection to SAMR pipe
 385  * - do a samr_Connect to get a policy handle
 386  * - do a samr_LookupDomain to get the domain sid
 387  * - do a samr_OpenDomain to get a domain handle
 388  * - do a samr_CreateAccount to try and get a new account
 389  *
 390  * If that fails, do:
 391  * - do a samr_LookupNames to get the users rid
 392  * - do a samr_OpenUser to get a user handle
 393  * - potentially delete and recreate the user
 394  * - assert the account is of the right type with samrQueryUserInfo
 395  *
 396  * - call libnet_SetPassword_samr_handle to set the password
 397  *
 398  * - do a samrSetUserInfo to set the account flags
 399  * - do some ADS specific things when we join as Domain Controller,
 400  *    look at libnet_joinADSDomain() for the details
 401  */
 402 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 403 {
 404         TALLOC_CTX *tmp_ctx;
 405
 406         NTSTATUS status, cu_status;
 407
 408         struct libnet_RpcConnectDCInfo *connect_with_info;
 409         struct dcerpc_pipe *samr_pipe;
 410
 411         struct samr_Connect sc;
 412         struct policy_handle p_handle;
 413         struct samr_OpenDomain od;
 414         struct policy_handle d_handle;
 415         struct samr_LookupNames ln;
 416         struct samr_OpenUser ou;
 417         struct samr_CreateUser2 cu;
 418         struct policy_handle *u_handle = NULL;
 419         struct samr_QueryUserInfo qui;
 420         struct samr_SetUserInfo sui;
 421         union samr_UserInfo u_info;
 422         union libnet_SetPassword r2;
 423         struct samr_GetUserPwInfo pwp;
 424         struct lsa_String samr_account_name;
 425
 426         uint32_t acct_flags, old_acct_flags;
 427         uint32_t rid, access_granted;
 428         int policy_min_pw_len = 0;
 429
 430         struct dom_sid *account_sid = NULL;
 431         const char *password_str = NULL;
 432
 433         r->out.error_string = NULL;
 434         r2.samr_handle.out.error_string = NULL;
 435
 436         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 437         if (!tmp_ctx) {
 438                 r->out.error_string = NULL;
 439                 return NT_STATUS_NO_MEMORY;
 440         }
 441
 442         u_handle = talloc(tmp_ctx, struct policy_handle);
 443         if (!u_handle) {
 444                 r->out.error_string = NULL;
 445                 talloc_free(tmp_ctx);
 446                 return NT_STATUS_NO_MEMORY;
 447         }
 448
 449         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnectDCInfo);
 450         if (!connect_with_info) {
 451                 r->out.error_string = NULL;
 452                 talloc_free(tmp_ctx);
 453                 return NT_STATUS_NO_MEMORY;
 454         }
 455
 456         /* prepare connect to the LSA pipe of PDC */
 457         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 458                 connect_with_info->level      = LIBNET_RPC_CONNECT_PDC;
 459                 connect_with_info->in.name    = r->in.domain_name;
 460         } else {
 461                 connect_with_info->level      = LIBNET_RPC_CONNECT_BINDING;
 462                 connect_with_info->in.binding = r->in.binding;
 463         }
 464
 465         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 466         /*
 467           establish a SAMR connection, on the same CIFS transport
 468         */
 469
 470         status = libnet_RpcConnectDCInfo(ctx, connect_with_info);
 471         if (!NT_STATUS_IS_OK(status)) {
 472                 if (r->in.binding) {
 473                         r->out.error_string = talloc_asprintf(mem_ctx,
 474                                                               "Connection to SAMR pipe of DC %s failed: %s",
 475                                                               r->in.binding, connect_with_info->out.error_string);
 476                 } else {
 477                         r->out.error_string = talloc_asprintf(mem_ctx,
 478                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 479                                                               r->in.domain_name, connect_with_info->out.error_string);
 480                 }
 481                 talloc_free(tmp_ctx);
 482                 return status;
 483         }
 484
 485         samr_pipe = connect_with_info->out.dcerpc_pipe,
 486
 487         status = dcerpc_pipe_auth(samr_pipe,
 488                                   connect_with_info->out.dcerpc_pipe->binding,
 489                                   &dcerpc_table_samr, ctx->cred);
 490         if (!NT_STATUS_IS_OK(status)) {
 491                 r->out.error_string = talloc_asprintf(mem_ctx,
 492                                                 "SAMR bind failed: %s",
 493                                                 nt_errstr(status));
 494                 talloc_free(tmp_ctx);
 495                 return status;
 496         }
 497
 498         /* prepare samr_Connect */
 499         ZERO_STRUCT(p_handle);
 500         sc.in.system_name = NULL;
 501         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 502         sc.out.connect_handle = &p_handle;
 503
 504         /* 2. do a samr_Connect to get a policy handle */
 505         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 506         if (!NT_STATUS_IS_OK(status)) {
 507                 r->out.error_string = talloc_asprintf(mem_ctx,
 508                                                 "samr_Connect failed: %s",
 509                                                 nt_errstr(status));
 510                 talloc_free(tmp_ctx);
 511                 return status;
 512         }
 513
 514         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 515         if (!connect_with_info->out.domain_name) {
 516                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 517                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 518                 } else {
 519                         /* Bugger, we just lost our way to automaticly find the domain name */
 520                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 521                 }
 522         }
 523
 524         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 525         if (!connect_with_info->out.domain_sid) {
 526                 struct lsa_String name;
 527                 struct samr_LookupDomain l;
 528                 name.string = connect_with_info->out.domain_name;
 529                 l.in.connect_handle = &p_handle;
 530                 l.in.domain_name = &name;
 531
 532                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 533                 if (!NT_STATUS_IS_OK(status)) {
 534                         r->out.error_string = talloc_asprintf(mem_ctx,
 535                                                               "SAMR LookupDomain failed: %s",
 536                                                               nt_errstr(status));
 537                         talloc_free(tmp_ctx);
 538                         return status;
 539                 }
 540                 connect_with_info->out.domain_sid = l.out.sid;
 541         }
 542
 543         /* prepare samr_OpenDomain */
 544         ZERO_STRUCT(d_handle);
 545         od.in.connect_handle = &p_handle;
 546         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 547         od.in.sid = connect_with_info->out.domain_sid;
 548         od.out.domain_handle = &d_handle;
 549
 550         /* do a samr_OpenDomain to get a domain handle */
 551         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 552         if (!NT_STATUS_IS_OK(status)) {
 553                 r->out.error_string = talloc_asprintf(mem_ctx,
 554                                                       "samr_OpenDomain for [%s] failed: %s",
 555                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 556                                                       nt_errstr(status));
 557                 talloc_free(tmp_ctx);
 558                 return status;
 559         }
 560
 561         /* prepare samr_CreateUser2 */
 562         ZERO_STRUCTP(u_handle);
 563         cu.in.domain_handle  = &d_handle;
 564         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 565         samr_account_name.string = r->in.account_name;
 566         cu.in.account_name    = &samr_account_name;
 567         cu.in.acct_flags      = r->in.acct_type;
 568         cu.out.user_handle    = u_handle;
 569         cu.out.rid            = &rid;
 570         cu.out.access_granted = &access_granted;
 571
 572         /* do a samr_CreateUser2 to get an account handle, or an error */
 573         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 574         status = cu_status;
 575         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 576                 /* prepare samr_LookupNames */
 577                 ln.in.domain_handle = &d_handle;
 578                 ln.in.num_names = 1;
 579                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 580                 if (!ln.in.names) {
 581                         r->out.error_string = NULL;
 582                         talloc_free(tmp_ctx);
 583                         return NT_STATUS_NO_MEMORY;
 584                 }
 585                 ln.in.names[0].string = r->in.account_name;
 586
 587                 /* 5. do a samr_LookupNames to get the users rid */
 588                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 589                 if (!NT_STATUS_IS_OK(status)) {
 590                         r->out.error_string = talloc_asprintf(mem_ctx,
 591                                                 "samr_LookupNames for [%s] failed: %s",
 592                                                 r->in.account_name,
 593                                                 nt_errstr(status));
 594                         talloc_free(tmp_ctx);
 595                         return status;
 596                 }
 597
 598                 /* check if we got one RID for the user */
 599                 if (ln.out.rids.count != 1) {
 600                         r->out.error_string = talloc_asprintf(mem_ctx,
 601                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 602                                                               r->in.account_name, ln.out.rids.count);
 603                         talloc_free(tmp_ctx);
 604                         return NT_STATUS_INVALID_PARAMETER;
 605                 }
 606
 607                 /* prepare samr_OpenUser */
 608                 ZERO_STRUCTP(u_handle);
 609                 ou.in.domain_handle = &d_handle;
 610                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 611                 ou.in.rid = ln.out.rids.ids[0];
 612                 rid = ou.in.rid;
 613                 ou.out.user_handle = u_handle;
 614
 615                 /* 6. do a samr_OpenUser to get a user handle */
 616                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 617                 if (!NT_STATUS_IS_OK(status)) {
 618                         r->out.error_string = talloc_asprintf(mem_ctx,
 619                                                         "samr_OpenUser for [%s] failed: %s",
 620                                                         r->in.account_name,
 621                                                         nt_errstr(status));
 622                         talloc_free(tmp_ctx);
 623                         return status;
 624                 }
 625
 626                 if (r->in.recreate_account) {
 627                         struct samr_DeleteUser d;
 628                         d.in.user_handle = u_handle;
 629                         d.out.user_handle = u_handle;
 630                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 631                         if (!NT_STATUS_IS_OK(status)) {
 632                                 r->out.error_string = talloc_asprintf(mem_ctx,
 633                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 634                                                                       r->in.account_name,
 635                                                                       nt_errstr(status));
 636                                 talloc_free(tmp_ctx);
 637                                 return status;
 638                         }
 639
 640                         /* We want to recreate, so delete and another samr_CreateUser2 */
 641
 642                         /* &cu filled in above */
 643                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 644                         if (!NT_STATUS_IS_OK(status)) {
 645                                 r->out.error_string = talloc_asprintf(mem_ctx,
 646                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 647                                                                       r->in.domain_name, nt_errstr(status));
 648                                 talloc_free(tmp_ctx);
 649                                 return status;
 650                         }
 651                 }
 652         } else if (!NT_STATUS_IS_OK(status)) {
 653                 r->out.error_string = talloc_asprintf(mem_ctx,
 654                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 655                                                       r->in.domain_name, nt_errstr(status));
 656                 talloc_free(tmp_ctx);
 657                 return status;
 658         }
 659
 660         /* prepare samr_QueryUserInfo (get flags) */
 661         qui.in.user_handle = u_handle;
 662         qui.in.level = 16;
 663
 664         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 665         if (!NT_STATUS_IS_OK(status)) {
 666                 r->out.error_string = talloc_asprintf(mem_ctx,
 667                                                 "samr_QueryUserInfo for [%s] failed: %s",
 668                                                 r->in.account_name,
 669                                                 nt_errstr(status));
 670                 talloc_free(tmp_ctx);
 671                 return status;
 672         }
 673
 674         if (!qui.out.info) {
 675                 status = NT_STATUS_INVALID_PARAMETER;
 676                 r->out.error_string
 677                         = talloc_asprintf(mem_ctx,
 678                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 679                                           r->in.account_name, nt_errstr(status));
 680                 talloc_free(tmp_ctx);
 681                 return status;
 682         }
 683
 684         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 685         /* Possibly bail if the account is of the wrong type */
 686         if (old_acct_flags
 687             != r->in.acct_type) {
 688                 const char *old_account_type, *new_account_type;
 689                 switch (old_acct_flags) {
 690                 case ACB_WSTRUST:
 691                         old_account_type = "domain member (member)";
 692                         break;
 693                 case ACB_SVRTRUST:
 694                         old_account_type = "domain controller (bdc)";
 695                         break;
 696                 case ACB_DOMTRUST:
 697                         old_account_type = "trusted domain";
 698                         break;
 699                 default:
 700                         return NT_STATUS_INVALID_PARAMETER;
 701                 }
 702                 switch (r->in.acct_type) {
 703                 case ACB_WSTRUST:
 704                         new_account_type = "domain member (member)";
 705                         break;
 706                 case ACB_SVRTRUST:
 707                         new_account_type = "domain controller (bdc)";
 708                         break;
 709                 case ACB_DOMTRUST:
 710                         new_account_type = "trusted domain";
 711                         break;
 712                 default:
 713                         return NT_STATUS_INVALID_PARAMETER;
 714                 }
 715
 716                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 717                         /* We created a new user, but they didn't come out the right type?!? */
 718                         r->out.error_string
 719                                 = talloc_asprintf(mem_ctx,
 720                                                   "We asked to create a new machine account (%s) of type %s, "
 721                                                   "but we got an account of type %s.  This is unexpected.  "
 722                                                   "Perhaps delete the account and try again.\n",
 723                                                   r->in.account_name, new_account_type, old_account_type);
 724                         talloc_free(tmp_ctx);
 725                         return NT_STATUS_INVALID_PARAMETER;
 726                 } else {
 727                         /* The account is of the wrong type, so bail */
 728
 729                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 730                         r->out.error_string
 731                                 = talloc_asprintf(mem_ctx,
 732                                                   "The machine account (%s) already exists in the domain %s, "
 733                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 734                                                   "the account and try again.\n",
 735                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 736                         talloc_free(tmp_ctx);
 737                         return NT_STATUS_USER_EXISTS;
 738                 }
 739         } else {
 740                 acct_flags = qui.out.info->info16.acct_flags;
 741         }
 742
 743         acct_flags = (acct_flags & ~ACB_DISABLED);
 744
 745         /* Find out what password policy this user has */
 746         pwp.in.user_handle = u_handle;
 747
 748         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 749         if (NT_STATUS_IS_OK(status)) {
 750                 policy_min_pw_len = pwp.out.info.min_password_length;
 751         }
 752
 753         /* Grab a password of that minimum length */
 754
 755         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 756
 757         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 758         r2.samr_handle.in.account_name  = r->in.account_name;
 759         r2.samr_handle.in.newpassword   = password_str;
 760         r2.samr_handle.in.user_handle   = u_handle;
 761         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 762
 763         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 764         if (!NT_STATUS_IS_OK(status)) {
 765                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 766                 talloc_free(tmp_ctx);
 767                 return status;
 768         }
 769
 770         /* reset flags (if required) */
 771         if (acct_flags != qui.out.info->info16.acct_flags) {
 772                 ZERO_STRUCT(u_info);
 773                 u_info.info16.acct_flags = acct_flags;
 774
 775                 sui.in.user_handle = u_handle;
 776                 sui.in.info = &u_info;
 777                 sui.in.level = 16;
 778
 779                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 780                 if (!NT_STATUS_IS_OK(status)) {
 781                         r->out.error_string = talloc_asprintf(mem_ctx,
 782                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 783                                                         r->in.account_name,
 784                                                         nt_errstr(status));
 785                         talloc_free(tmp_ctx);
 786                         return status;
 787                 }
 788         }
 789
 790         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 791         if (!account_sid) {
 792                 r->out.error_string = NULL;
 793                 talloc_free(tmp_ctx);
 794                 return NT_STATUS_NO_MEMORY;
 795         }
 796
 797         /* Finish out by pushing various bits of status data out for the caller to use */
 798         r->out.join_password = password_str;
 799         talloc_steal(mem_ctx, r->out.join_password);
 800
 801         r->out.domain_sid = connect_with_info->out.domain_sid;
 802         talloc_steal(mem_ctx, r->out.domain_sid);
 803
 804         r->out.account_sid = account_sid;
 805         talloc_steal(mem_ctx, r->out.account_sid);
 806
 807         r->out.domain_name = connect_with_info->out.domain_name;
 808         talloc_steal(mem_ctx, r->out.domain_name);
 809         r->out.realm = connect_with_info->out.realm;
 810         talloc_steal(mem_ctx, r->out.realm);
 811         r->out.samr_pipe = samr_pipe;
 812         talloc_steal(mem_ctx, samr_pipe);
 813         r->out.samr_binding = samr_pipe->binding;
 814         talloc_steal(mem_ctx, r->out.samr_binding);
 815         r->out.user_handle = u_handle;
 816         talloc_steal(mem_ctx, u_handle);
 817         r->out.error_string = r2.samr_handle.out.error_string;
 818         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 819         r->out.kvno = 0;
 820         r->out.server_dn_str = NULL;
 821         talloc_free(tmp_ctx);
 822
 823         /* Now, if it was AD, then we want to start looking changing a
 824          * few more things.  Otherwise, we are done. */
 825         if (r->out.realm) {
 826                 status = libnet_JoinADSDomain(ctx, r);
 827                 return status;
 828         }
 829
 830         return status;
 831 }
 832
 833 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 834                                            TALLOC_CTX *mem_ctx,
 835                                            struct libnet_Join *r)
 836 {
 837         NTSTATUS status;
 838         TALLOC_CTX *tmp_mem;
 839         struct libnet_JoinDomain *r2;
 840         int ret, rtn;
 841         struct ldb_context *ldb;
 842         const struct ldb_dn *base_dn;
 843         struct ldb_message **msgs, *msg;
 844         const char *sct;
 845         const char * const attrs[] = {
 846                 "whenChanged",
 847                 "secret",
 848                 "priorSecret",
 849                 "priorChanged",
 850                 "krb5Keytab",
 851                 "privateKeytab",
 852                 NULL
 853         };
 854         uint32_t acct_type = 0;
 855         const char *account_name;
 856         const char *netbios_name;
 857         char *filter;
 858
 859         r->out.error_string = NULL;
 860
 861         tmp_mem = talloc_new(mem_ctx);
 862         if (!tmp_mem) {
 863                 return NT_STATUS_NO_MEMORY;
 864         }
 865
 866         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 867         if (!r2) {
 868                 r->out.error_string = NULL;
 869                 talloc_free(tmp_mem);
 870                 return NT_STATUS_NO_MEMORY;
 871         }
 872
 873         if (r->in.join_type == SEC_CHAN_BDC) {
 874                 acct_type = ACB_SVRTRUST;
 875         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 876                 acct_type = ACB_WSTRUST;
 877         } else {
 878                 r->out.error_string = NULL;
 879                 talloc_free(tmp_mem);
 880                 return NT_STATUS_INVALID_PARAMETER;
 881         }
 882
 883         if (r->in.netbios_name != NULL) {
 884                 netbios_name = r->in.netbios_name;
 885         } else {
 886                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 887                 if (!netbios_name) {
 888                         r->out.error_string = NULL;
 889                         talloc_free(tmp_mem);
 890                         return NT_STATUS_NO_MEMORY;
 891                 }
 892         }
 893
 894         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 895         if (!account_name) {
 896                 r->out.error_string = NULL;
 897                 talloc_free(tmp_mem);
 898                 return NT_STATUS_NO_MEMORY;
 899         }
 900
 901         /*
 902          * Local secrets are stored in secrets.ldb
 903          * open it to make sure we can write the info into it after the join
 904          */
 905         ldb = secrets_db_connect(tmp_mem);
 906         if (!ldb) {
 907                 r->out.error_string
 908                         = talloc_asprintf(mem_ctx,
 909                                           "Could not open secrets database\n");
 910                 talloc_free(tmp_mem);
 911                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 912         }
 913
 914         /*
 915          * join the domain
 916          */
 917         ZERO_STRUCTP(r2);
 918         r2->in.domain_name      = r->in.domain_name;
 919         r2->in.account_name     = account_name;
 920         r2->in.netbios_name     = netbios_name;
 921         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 922         r2->in.acct_type        = acct_type;
 923         r2->in.recreate_account = False;
 924         status = libnet_JoinDomain(ctx, r2, r2);
 925         if (!NT_STATUS_IS_OK(status)) {
 926                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 927                 talloc_free(tmp_mem);
 928                 return status;
 929         }
 930
 931         /*
 932          * now prepare the record for secrets.ldb
 933          */
 934         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 935         if (!sct) {
 936                 r->out.error_string = NULL;
 937                 talloc_free(tmp_mem);
 938                 return NT_STATUS_NO_MEMORY;
 939         }
 940
 941         msg = ldb_msg_new(tmp_mem);
 942         if (!msg) {
 943                 r->out.error_string = NULL;
 944                 talloc_free(tmp_mem);
 945                 return NT_STATUS_NO_MEMORY;
 946         }
 947
 948         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 949         if (!base_dn) {
 950                 r->out.error_string = NULL;
 951                 talloc_free(tmp_mem);
 952                 return NT_STATUS_NO_MEMORY;
 953         }
 954
 955         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 956         if (!msg->dn) {
 957                 r->out.error_string = NULL;
 958                 talloc_free(tmp_mem);
 959                 return NT_STATUS_NO_MEMORY;
 960         }
 961
 962         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 963         if (rtn == -1) {
 964                 r->out.error_string = NULL;
 965                 talloc_free(tmp_mem);
 966                 return NT_STATUS_NO_MEMORY;
 967         }
 968
 969         if (r2->out.realm) {
 970                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 971                 if (rtn == -1) {
 972                         r->out.error_string = NULL;
 973                         talloc_free(tmp_mem);
 974                         return NT_STATUS_NO_MEMORY;
 975                 }
 976
 977                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 978                 if (rtn == -1) {
 979                         r->out.error_string = NULL;
 980                         talloc_free(tmp_mem);
 981                         return NT_STATUS_NO_MEMORY;
 982                 }
 983         }
 984
 985         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 986         if (rtn == -1) {
 987                 r->out.error_string = NULL;
 988                 talloc_free(tmp_mem);
 989                 return NT_STATUS_NO_MEMORY;
 990         }
 991
 992         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
 993         if (rtn == -1) {
 994                 r->out.error_string = NULL;
 995                 talloc_free(tmp_mem);
 996                 return NT_STATUS_NO_MEMORY;
 997         }
 998
 999         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1000         if (rtn == -1) {
1001                 r->out.error_string = NULL;
1002                 talloc_free(tmp_mem);
1003                 return NT_STATUS_NO_MEMORY;
1004         }
1005
1006         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1007         if (rtn == -1) {
1008                 r->out.error_string = NULL;
1009                 talloc_free(tmp_mem);
1010                 return NT_STATUS_NO_MEMORY;
1011         }
1012
1013         if (r2->out.kvno) {
1014                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1015                                          r2->out.kvno);
1016                 if (rtn == -1) {
1017                         r->out.error_string = NULL;
1018                         talloc_free(tmp_mem);
1019                         return NT_STATUS_NO_MEMORY;
1020                 }
1021         }
1022
1023         if (r2->out.domain_sid) {
1024                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1025                                             r2->out.domain_sid);
1026                 if (rtn == -1) {
1027                         r->out.error_string = NULL;
1028                         talloc_free(tmp_mem);
1029                         return NT_STATUS_NO_MEMORY;
1030                 }
1031         }
1032
1033         /*
1034          * search for the secret record
1035          * - remove the records we find
1036          * - and fetch the old secret and store it under priorSecret
1037          */
1038         ret = gendb_search(ldb,
1039                            tmp_mem, base_dn,
1040                            &msgs, attrs,
1041                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1042                            r2->out.domain_name, r2->out.realm);
1043         if (ret == 0) {
1044                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1045                 if (rtn == -1) {
1046                         r->out.error_string = NULL;
1047                         talloc_free(tmp_mem);
1048                         return NT_STATUS_NO_MEMORY;
1049                 }
1050         } else if (ret == -1) {
1051                 r->out.error_string
1052                         = talloc_asprintf(mem_ctx,
1053                                           "Search for domain: %s and realm: %s failed: %s",
1054                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1055                 talloc_free(tmp_mem);
1056                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1057         } else {
1058                 const struct ldb_val *private_keytab;
1059                 const struct ldb_val *krb5_keytab;
1060                 const struct ldb_val *prior_secret;
1061                 const struct ldb_val *prior_modified_time;
1062                 int i;
1063
1064                 for (i = 0; i < ret; i++) {
1065                         ldb_delete(ldb, msgs[i]->dn);
1066                 }
1067
1068                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1069                 if (prior_secret) {
1070                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1071                         if (rtn == -1) {
1072                                 r->out.error_string = NULL;
1073                                 talloc_free(tmp_mem);
1074                                 return NT_STATUS_NO_MEMORY;
1075                         }
1076                 }
1077                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1078                 if (rtn == -1) {
1079                         r->out.error_string = NULL;
1080                         talloc_free(tmp_mem);
1081                         return NT_STATUS_NO_MEMORY;
1082                 }
1083
1084                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1085                                                            "whenChanged");
1086                 if (prior_modified_time) {
1087                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1088                                                   prior_modified_time);
1089                         if (rtn == -1) {
1090                                 r->out.error_string = NULL;
1091                                 talloc_free(tmp_mem);
1092                                 return NT_STATUS_NO_MEMORY;
1093                         }
1094                 }
1095
1096                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1097                 if (rtn == -1) {
1098                         r->out.error_string = NULL;
1099                         talloc_free(tmp_mem);
1100                         return NT_STATUS_NO_MEMORY;
1101                 }
1102
1103                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1104                 if (rtn == -1) {
1105                         r->out.error_string = NULL;
1106                         talloc_free(tmp_mem);
1107                         return NT_STATUS_NO_MEMORY;
1108                 }
1109
1110                 /* We will want to keep the keytab names */
1111                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1112                 if (private_keytab) {
1113                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1114                         if (rtn == -1) {
1115                                 r->out.error_string = NULL;
1116                                 talloc_free(tmp_mem);
1117                                 return NT_STATUS_NO_MEMORY;
1118                         }
1119                 }
1120                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1121                 if (krb5_keytab) {
1122                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1123                         if (rtn == -1) {
1124                                 r->out.error_string = NULL;
1125                                 talloc_free(tmp_mem);
1126                                 return NT_STATUS_NO_MEMORY;
1127                         }
1128                 }
1129         }
1130
1131         /* create the secret */
1132         ret = samdb_add(ldb, tmp_mem, msg);
1133         if (ret != 0) {
1134                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1135                                                       ldb_dn_linearize(ldb, msg->dn));
1136                 talloc_free(tmp_mem);
1137                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1138         }
1139
1140         if (r2->out.realm) {
1141                 struct cli_credentials *creds;
1142                 /* Make a credentials structure from it */
1143                 creds = cli_credentials_init(mem_ctx);
1144                 if (!creds) {
1145                         r->out.error_string = NULL;
1146                         talloc_free(tmp_mem);
1147                         return NT_STATUS_NO_MEMORY;
1148                 }
1149                 cli_credentials_set_conf(creds);
1150                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1151                 status = cli_credentials_set_secrets(creds, NULL, filter);
1152                 if (!NT_STATUS_IS_OK(status)) {
1153                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1154                                                               filter);
1155                         talloc_free(tmp_mem);
1156                         return status;
1157                 }
1158                 ret = cli_credentials_update_keytab(creds);
1159                 if (ret != 0) {
1160                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1161                                                               filter);
1162                         talloc_free(tmp_mem);
1163                         return NT_STATUS_UNSUCCESSFUL;
1164                 }
1165         }
1166
1167         /* move all out parameter to the callers TALLOC_CTX */
1168         r->out.error_string     = NULL;
1169         r->out.join_password    = r2->out.join_password;
1170         talloc_steal(mem_ctx, r2->out.join_password);
1171         r->out.domain_sid       = r2->out.domain_sid;
1172         talloc_steal(mem_ctx, r2->out.domain_sid);
1173         r->out.domain_name      = r2->out.domain_name;
1174         talloc_steal(mem_ctx, r2->out.domain_name);
1175         talloc_free(tmp_mem);
1176         return NT_STATUS_OK;
1177 }
1178
1179 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1180 {
1181         switch (r->in.join_type) {
1182                 case SEC_CHAN_WKSTA:
1183                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1184                 case SEC_CHAN_BDC:
1185                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1186                 case SEC_CHAN_DOMAIN:
1187                         break;
1188         }
1189
1190         r->out.error_string = talloc_asprintf(mem_ctx,
1191                                               "Invalid join type specified (%08X) attempting to join domain %s",
1192                                               r->in.join_type, r->in.domain_name);
1193         return NT_STATUS_INVALID_PARAMETER;
1194 }