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 "librpc/gen_ndr/ndr_drsuapi_c.h"
  27 #include "lib/ldb/include/ldb.h"
  28 #include "lib/ldb/include/ldb_errors.h"
  29 #include "passdb/secrets.h"
  30 #include "dsdb/samdb/samdb.h"
  31 #include "db_wrap.h"
  32 #include "libcli/security/proto.h"
  33 #include "auth/credentials/credentials.h"
  34 #include "librpc/gen_ndr/ndr_samr.h"
  35 #include "librpc/gen_ndr/ndr_samr_c.h"
  36 #include "librpc/gen_ndr/ndr_security.h"
  37
  38 /*
  39  * complete a domain join, when joining to a AD domain:
  40  * 1.) connect and bind to the DRSUAPI pipe
  41  * 2.) do a DsCrackNames() to find the machine account dn
  42  * 3.) connect to LDAP
  43  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  44  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  45  * 6.) do a DsCrackNames() to find the domain dn
  46  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  47  */
  48 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  49 {
  50         NTSTATUS status;
  51
  52         TALLOC_CTX *tmp_ctx;
  53
  54         const char *realm = r->out.realm;
  55
  56         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  57
  58         struct dcerpc_pipe *drsuapi_pipe;
  59         struct dcerpc_binding *drsuapi_binding;
  60         struct drsuapi_DsBind r_drsuapi_bind;
  61         struct drsuapi_DsCrackNames r_crack_names;
  62         struct drsuapi_DsNameString names[1];
  63         struct policy_handle drsuapi_bind_handle;
  64         struct GUID drsuapi_bind_guid;
  65
  66         struct ldb_context *remote_ldb;
  67         const struct ldb_dn *account_dn;
  68         const char *account_dn_str;
  69         const char *remote_ldb_url;
  70         struct ldb_result *res;
  71         struct ldb_message *msg;
  72
  73         int ret, rtn;
  74
  75         unsigned int kvno;
  76
  77         const char * const attrs[] = {
  78                 "msDS-KeyVersionNumber",
  79                 "servicePrincipalName",
  80                 "dNSHostName",
  81                 NULL,
  82         };
  83
  84         r->out.error_string = NULL;
  85
  86         /* We need to convert between a samAccountName and domain to a
  87          * DN in the directory.  The correct way to do this is with
  88          * DRSUAPI CrackNames */
  89
  90         /* Fiddle with the bindings, so get to DRSUAPI on
  91          * NCACN_IP_TCP, sealed */
  92         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  93         if (!tmp_ctx) {
  94                 r->out.error_string = NULL;
  95                 return NT_STATUS_NO_MEMORY;
  96         }
  97
  98         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  99         if (!drsuapi_binding) {
 100                 r->out.error_string = NULL;
 101                 talloc_free(tmp_ctx);
 102                 return NT_STATUS_NO_MEMORY;
 103         }
 104
 105         *drsuapi_binding = *samr_binding;
 106
 107         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 108         if (drsuapi_binding->transport != NCALRPC) {
 109                 drsuapi_binding->transport = NCACN_IP_TCP;
 110         }
 111         drsuapi_binding->endpoint = NULL;
 112         drsuapi_binding->flags |= DCERPC_SEAL;
 113
 114         status = dcerpc_pipe_connect_b(tmp_ctx,
 115                                        &drsuapi_pipe,
 116                                        drsuapi_binding,
 117                                        &dcerpc_table_drsuapi,
 118                                        ctx->cred,
 119                                        ctx->event_ctx);
 120         if (!NT_STATUS_IS_OK(status)) {
 121                 r->out.error_string = talloc_asprintf(r,
 122                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 123                                         r->in.domain_name,
 124                                         nt_errstr(status));
 125                 talloc_free(tmp_ctx);
 126                 return status;
 127         }
 128
 129         /* get a DRSUAPI pipe handle */
 130         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 131
 132         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 133         r_drsuapi_bind.in.bind_info = NULL;
 134         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 135
 136         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 137         if (!NT_STATUS_IS_OK(status)) {
 138                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 139                         r->out.error_string
 140                                 = talloc_asprintf(r,
 141                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 142                                                   r->in.domain_name, r->in.account_name,
 143                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 144                         talloc_free(tmp_ctx);
 145                         return status;
 146                 } else {
 147                         r->out.error_string
 148                                 = talloc_asprintf(r,
 149                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 150                                                   r->in.domain_name, r->in.account_name,
 151                                                   nt_errstr(status));
 152                         talloc_free(tmp_ctx);
 153                         return status;
 154                 }
 155         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 156                 r->out.error_string
 157                                 = talloc_asprintf(r,
 158                                                   "DsBind failed - %s\n",
 159                                                   win_errstr(r_drsuapi_bind.out.result));
 160                         talloc_free(tmp_ctx);
 161                 return NT_STATUS_UNSUCCESSFUL;
 162         }
 163
 164         /* Actually 'crack' the names */
 165         ZERO_STRUCT(r_crack_names);
 166         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 167         r_crack_names.in.level                  = 1;
 168         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 169         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 170         r_crack_names.in.req.req1.count         = 1;
 171         r_crack_names.in.req.req1.names         = names;
 172         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 173         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 174         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 175         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 176         if (!names[0].str) {
 177                 r->out.error_string = NULL;
 178                 talloc_free(tmp_ctx);
 179                 return NT_STATUS_NO_MEMORY;
 180         }
 181
 182         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 183         if (!NT_STATUS_IS_OK(status)) {
 184                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 185                         r->out.error_string
 186                                 = talloc_asprintf(r,
 187                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 188                                                   names[0].str,
 189                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 190                         talloc_free(tmp_ctx);
 191                         return status;
 192                 } else {
 193                         r->out.error_string
 194                                 = talloc_asprintf(r,
 195                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 196                                                   names[0].str,
 197                                                   nt_errstr(status));
 198                         talloc_free(tmp_ctx);
 199                         return status;
 200                 }
 201         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 202                 r->out.error_string
 203                                 = talloc_asprintf(r,
 204                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 205                 talloc_free(tmp_ctx);
 206                 return NT_STATUS_UNSUCCESSFUL;
 207         } else if (r_crack_names.out.level != 1
 208                    || !r_crack_names.out.ctr.ctr1
 209                    || r_crack_names.out.ctr.ctr1->count != 1
 210                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 211                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 212                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 213                 talloc_free(tmp_ctx);
 214                 return NT_STATUS_UNSUCCESSFUL;
 215         }
 216
 217         /* Store the DN of our machine account. */
 218         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 219
 220         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 221         if (!account_dn) {
 222                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 223                                                       account_dn_str);
 224                 talloc_free(tmp_ctx);
 225                 return NT_STATUS_UNSUCCESSFUL;
 226         }
 227
 228         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 229
 230         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 231                                          drsuapi_binding->host);
 232         if (!remote_ldb_url) {
 233                 r->out.error_string = NULL;
 234                 talloc_free(tmp_ctx);
 235                 return NT_STATUS_NO_MEMORY;
 236         }
 237
 238         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 239                                       NULL, ctx->cred, 0, NULL);
 240         if (!remote_ldb) {
 241                 r->out.error_string = NULL;
 242                 talloc_free(tmp_ctx);
 243                 return NT_STATUS_UNSUCCESSFUL;
 244         }
 245
 246         /* search for the user's record */
 247         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 248                              NULL, attrs, &res);
 249         if (ret != LDB_SUCCESS || res->count != 1) {
 250                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 251                                                       account_dn_str, ldb_errstring(remote_ldb));
 252                 talloc_free(tmp_ctx);
 253                 return NT_STATUS_UNSUCCESSFUL;
 254         }
 255
 256         /* If we have a kvno recorded in AD, we need it locally as well */
 257         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 258
 259         /* Prepare a new message, for the modify */
 260         msg = ldb_msg_new(tmp_ctx);
 261         if (!msg) {
 262                 r->out.error_string = NULL;
 263                 talloc_free(tmp_ctx);
 264                 return NT_STATUS_NO_MEMORY;
 265         }
 266         msg->dn = res->msgs[0]->dn;
 267
 268         {
 269                 int i;
 270                 const char *service_principal_name[6];
 271                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 272                                                             talloc_asprintf(tmp_ctx,
 273                                                                             "%s.%s",
 274                                                                             r->in.netbios_name,
 275                                                                             realm));
 276
 277                 if (!dns_host_name) {
 278                         r->out.error_string = NULL;
 279                         talloc_free(tmp_ctx);
 280                         return NT_STATUS_NO_MEMORY;
 281                 }
 282
 283                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 284                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 285                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 286                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 287                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 288                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 289
 290                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 291                         if (!service_principal_name[i]) {
 292                                 r->out.error_string = NULL;
 293                                 talloc_free(tmp_ctx);
 294                                 return NT_STATUS_NO_MEMORY;
 295                         }
 296                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 297                         if (rtn == -1) {
 298                                 r->out.error_string = NULL;
 299                                 talloc_free(tmp_ctx);
 300                                 return NT_STATUS_NO_MEMORY;
 301                         }
 302                 }
 303
 304                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 305                 if (rtn == -1) {
 306                         r->out.error_string = NULL;
 307                         talloc_free(tmp_ctx);
 308                         return NT_STATUS_NO_MEMORY;
 309                 }
 310
 311                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 312                 if (rtn != 0) {
 313                         r->out.error_string
 314                                 = talloc_asprintf(r,
 315                                                   "Failed to replace entries on %s\n",
 316                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 317                         talloc_free(tmp_ctx);
 318                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 319                 }
 320         }
 321
 322         /* DsCrackNames to find out the DN of the domain. */
 323         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 324         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 325         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 326         if (!names[0].str) {
 327                 r->out.error_string = NULL;
 328                 talloc_free(tmp_ctx);
 329                 return NT_STATUS_NO_MEMORY;
 330         }
 331
 332         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 333         if (!NT_STATUS_IS_OK(status)) {
 334                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 335                         r->out.error_string
 336                                 = talloc_asprintf(r,
 337                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 338                                                   r->in.domain_name,
 339                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 340                         talloc_free(tmp_ctx);
 341                         return status;
 342                 } else {
 343                         r->out.error_string
 344                                 = talloc_asprintf(r,
 345                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 346                                                   r->in.domain_name,
 347                                                   nt_errstr(status));
 348                         talloc_free(tmp_ctx);
 349                         return status;
 350                 }
 351         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 352                 r->out.error_string
 353                         = talloc_asprintf(r,
 354                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 355                 talloc_free(tmp_ctx);
 356                 return NT_STATUS_UNSUCCESSFUL;
 357         } else if (r_crack_names.out.level != 1
 358                    || !r_crack_names.out.ctr.ctr1
 359                    || r_crack_names.out.ctr.ctr1->count != 1
 360                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 361                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 362                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 363                 talloc_free(tmp_ctx);
 364                 return NT_STATUS_UNSUCCESSFUL;
 365         }
 366
 367         /* Store the account DN. */
 368         r->out.account_dn_str = account_dn_str;
 369         talloc_steal(r, account_dn_str);
 370
 371         /* Store the domain DN. */
 372         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 373         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 374
 375         r->out.kvno = kvno;
 376
 377         if (r->in.acct_type == ACB_SVRTRUST) {
 378                 status = libnet_JoinSite(remote_ldb, r);
 379         }
 380         talloc_free(tmp_ctx);
 381
 382         return status;
 383 }
 384
 385 /*
 386  * do a domain join using DCERPC/SAMR calls
 387  * - connect to the LSA pipe, to try and find out information about the domain
 388  * - create a secondary connection to SAMR pipe
 389  * - do a samr_Connect to get a policy handle
 390  * - do a samr_LookupDomain to get the domain sid
 391  * - do a samr_OpenDomain to get a domain handle
 392  * - do a samr_CreateAccount to try and get a new account
 393  *
 394  * If that fails, do:
 395  * - do a samr_LookupNames to get the users rid
 396  * - do a samr_OpenUser to get a user handle
 397  * - potentially delete and recreate the user
 398  * - assert the account is of the right type with samrQueryUserInfo
 399  *
 400  * - call libnet_SetPassword_samr_handle to set the password
 401  *
 402  * - do a samrSetUserInfo to set the account flags
 403  * - do some ADS specific things when we join as Domain Controller,
 404  *    look at libnet_joinADSDomain() for the details
 405  */
 406 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 407 {
 408         TALLOC_CTX *tmp_ctx;
 409
 410         NTSTATUS status, cu_status;
 411
 412         struct libnet_RpcConnectDCInfo *connect_with_info;
 413         struct dcerpc_pipe *samr_pipe;
 414
 415         struct samr_Connect sc;
 416         struct policy_handle p_handle;
 417         struct samr_OpenDomain od;
 418         struct policy_handle d_handle;
 419         struct samr_LookupNames ln;
 420         struct samr_OpenUser ou;
 421         struct samr_CreateUser2 cu;
 422         struct policy_handle *u_handle = NULL;
 423         struct samr_QueryUserInfo qui;
 424         struct samr_SetUserInfo sui;
 425         union samr_UserInfo u_info;
 426         union libnet_SetPassword r2;
 427         struct samr_GetUserPwInfo pwp;
 428         struct lsa_String samr_account_name;
 429
 430         uint32_t acct_flags, old_acct_flags;
 431         uint32_t rid, access_granted;
 432         int policy_min_pw_len = 0;
 433
 434         struct dom_sid *account_sid = NULL;
 435         const char *password_str = NULL;
 436
 437         r->out.error_string = NULL;
 438         r2.samr_handle.out.error_string = NULL;
 439
 440         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 441         if (!tmp_ctx) {
 442                 r->out.error_string = NULL;
 443                 return NT_STATUS_NO_MEMORY;
 444         }
 445
 446         u_handle = talloc(tmp_ctx, struct policy_handle);
 447         if (!u_handle) {
 448                 r->out.error_string = NULL;
 449                 talloc_free(tmp_ctx);
 450                 return NT_STATUS_NO_MEMORY;
 451         }
 452
 453         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnectDCInfo);
 454         if (!connect_with_info) {
 455                 r->out.error_string = NULL;
 456                 talloc_free(tmp_ctx);
 457                 return NT_STATUS_NO_MEMORY;
 458         }
 459
 460         /* prepare connect to the LSA pipe of PDC */
 461         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 462                 connect_with_info->level      = LIBNET_RPC_CONNECT_PDC;
 463                 connect_with_info->in.name    = r->in.domain_name;
 464         } else {
 465                 connect_with_info->level      = LIBNET_RPC_CONNECT_BINDING;
 466                 connect_with_info->in.binding = r->in.binding;
 467         }
 468
 469         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 470         /*
 471           establish a SAMR connection, on the same CIFS transport
 472         */
 473
 474         status = libnet_RpcConnectDCInfo(ctx, connect_with_info);
 475         if (!NT_STATUS_IS_OK(status)) {
 476                 if (r->in.binding) {
 477                         r->out.error_string = talloc_asprintf(mem_ctx,
 478                                                               "Connection to SAMR pipe of DC %s failed: %s",
 479                                                               r->in.binding, connect_with_info->out.error_string);
 480                 } else {
 481                         r->out.error_string = talloc_asprintf(mem_ctx,
 482                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 483                                                               r->in.domain_name, connect_with_info->out.error_string);
 484                 }
 485                 talloc_free(tmp_ctx);
 486                 return status;
 487         }
 488
 489         samr_pipe = connect_with_info->out.dcerpc_pipe,
 490
 491         status = dcerpc_pipe_auth(samr_pipe,
 492                                   connect_with_info->out.dcerpc_pipe->binding,
 493                                   &dcerpc_table_samr, ctx->cred);
 494         if (!NT_STATUS_IS_OK(status)) {
 495                 r->out.error_string = talloc_asprintf(mem_ctx,
 496                                                 "SAMR bind failed: %s",
 497                                                 nt_errstr(status));
 498                 talloc_free(tmp_ctx);
 499                 return status;
 500         }
 501
 502         /* prepare samr_Connect */
 503         ZERO_STRUCT(p_handle);
 504         sc.in.system_name = NULL;
 505         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 506         sc.out.connect_handle = &p_handle;
 507
 508         /* 2. do a samr_Connect to get a policy handle */
 509         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 510         if (!NT_STATUS_IS_OK(status)) {
 511                 r->out.error_string = talloc_asprintf(mem_ctx,
 512                                                 "samr_Connect failed: %s",
 513                                                 nt_errstr(status));
 514                 talloc_free(tmp_ctx);
 515                 return status;
 516         }
 517
 518         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 519         if (!connect_with_info->out.domain_name) {
 520                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 521                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 522                 } else {
 523                         /* Bugger, we just lost our way to automaticly find the domain name */
 524                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 525                 }
 526         }
 527
 528         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 529         if (!connect_with_info->out.domain_sid) {
 530                 struct lsa_String name;
 531                 struct samr_LookupDomain l;
 532                 name.string = connect_with_info->out.domain_name;
 533                 l.in.connect_handle = &p_handle;
 534                 l.in.domain_name = &name;
 535
 536                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 537                 if (!NT_STATUS_IS_OK(status)) {
 538                         r->out.error_string = talloc_asprintf(mem_ctx,
 539                                                               "SAMR LookupDomain failed: %s",
 540                                                               nt_errstr(status));
 541                         talloc_free(tmp_ctx);
 542                         return status;
 543                 }
 544                 connect_with_info->out.domain_sid = l.out.sid;
 545         }
 546
 547         /* prepare samr_OpenDomain */
 548         ZERO_STRUCT(d_handle);
 549         od.in.connect_handle = &p_handle;
 550         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 551         od.in.sid = connect_with_info->out.domain_sid;
 552         od.out.domain_handle = &d_handle;
 553
 554         /* do a samr_OpenDomain to get a domain handle */
 555         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 556         if (!NT_STATUS_IS_OK(status)) {
 557                 r->out.error_string = talloc_asprintf(mem_ctx,
 558                                                       "samr_OpenDomain for [%s] failed: %s",
 559                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 560                                                       nt_errstr(status));
 561                 talloc_free(tmp_ctx);
 562                 return status;
 563         }
 564
 565         /* prepare samr_CreateUser2 */
 566         ZERO_STRUCTP(u_handle);
 567         cu.in.domain_handle  = &d_handle;
 568         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 569         samr_account_name.string = r->in.account_name;
 570         cu.in.account_name    = &samr_account_name;
 571         cu.in.acct_flags      = r->in.acct_type;
 572         cu.out.user_handle    = u_handle;
 573         cu.out.rid            = &rid;
 574         cu.out.access_granted = &access_granted;
 575
 576         /* do a samr_CreateUser2 to get an account handle, or an error */
 577         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 578         status = cu_status;
 579         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 580                 /* prepare samr_LookupNames */
 581                 ln.in.domain_handle = &d_handle;
 582                 ln.in.num_names = 1;
 583                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 584                 if (!ln.in.names) {
 585                         r->out.error_string = NULL;
 586                         talloc_free(tmp_ctx);
 587                         return NT_STATUS_NO_MEMORY;
 588                 }
 589                 ln.in.names[0].string = r->in.account_name;
 590
 591                 /* 5. do a samr_LookupNames to get the users rid */
 592                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 593                 if (!NT_STATUS_IS_OK(status)) {
 594                         r->out.error_string = talloc_asprintf(mem_ctx,
 595                                                 "samr_LookupNames for [%s] failed: %s",
 596                                                 r->in.account_name,
 597                                                 nt_errstr(status));
 598                         talloc_free(tmp_ctx);
 599                         return status;
 600                 }
 601
 602                 /* check if we got one RID for the user */
 603                 if (ln.out.rids.count != 1) {
 604                         r->out.error_string = talloc_asprintf(mem_ctx,
 605                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 606                                                               r->in.account_name, ln.out.rids.count);
 607                         talloc_free(tmp_ctx);
 608                         return NT_STATUS_INVALID_PARAMETER;
 609                 }
 610
 611                 /* prepare samr_OpenUser */
 612                 ZERO_STRUCTP(u_handle);
 613                 ou.in.domain_handle = &d_handle;
 614                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 615                 ou.in.rid = ln.out.rids.ids[0];
 616                 rid = ou.in.rid;
 617                 ou.out.user_handle = u_handle;
 618
 619                 /* 6. do a samr_OpenUser to get a user handle */
 620                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 621                 if (!NT_STATUS_IS_OK(status)) {
 622                         r->out.error_string = talloc_asprintf(mem_ctx,
 623                                                         "samr_OpenUser for [%s] failed: %s",
 624                                                         r->in.account_name,
 625                                                         nt_errstr(status));
 626                         talloc_free(tmp_ctx);
 627                         return status;
 628                 }
 629
 630                 if (r->in.recreate_account) {
 631                         struct samr_DeleteUser d;
 632                         d.in.user_handle = u_handle;
 633                         d.out.user_handle = u_handle;
 634                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 635                         if (!NT_STATUS_IS_OK(status)) {
 636                                 r->out.error_string = talloc_asprintf(mem_ctx,
 637                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 638                                                                       r->in.account_name,
 639                                                                       nt_errstr(status));
 640                                 talloc_free(tmp_ctx);
 641                                 return status;
 642                         }
 643
 644                         /* We want to recreate, so delete and another samr_CreateUser2 */
 645
 646                         /* &cu filled in above */
 647                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 648                         if (!NT_STATUS_IS_OK(status)) {
 649                                 r->out.error_string = talloc_asprintf(mem_ctx,
 650                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 651                                                                       r->in.domain_name, nt_errstr(status));
 652                                 talloc_free(tmp_ctx);
 653                                 return status;
 654                         }
 655                 }
 656         } else if (!NT_STATUS_IS_OK(status)) {
 657                 r->out.error_string = talloc_asprintf(mem_ctx,
 658                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 659                                                       r->in.domain_name, nt_errstr(status));
 660                 talloc_free(tmp_ctx);
 661                 return status;
 662         }
 663
 664         /* prepare samr_QueryUserInfo (get flags) */
 665         qui.in.user_handle = u_handle;
 666         qui.in.level = 16;
 667
 668         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 669         if (!NT_STATUS_IS_OK(status)) {
 670                 r->out.error_string = talloc_asprintf(mem_ctx,
 671                                                 "samr_QueryUserInfo for [%s] failed: %s",
 672                                                 r->in.account_name,
 673                                                 nt_errstr(status));
 674                 talloc_free(tmp_ctx);
 675                 return status;
 676         }
 677
 678         if (!qui.out.info) {
 679                 status = NT_STATUS_INVALID_PARAMETER;
 680                 r->out.error_string
 681                         = talloc_asprintf(mem_ctx,
 682                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 683                                           r->in.account_name, nt_errstr(status));
 684                 talloc_free(tmp_ctx);
 685                 return status;
 686         }
 687
 688         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 689         /* Possibly bail if the account is of the wrong type */
 690         if (old_acct_flags
 691             != r->in.acct_type) {
 692                 const char *old_account_type, *new_account_type;
 693                 switch (old_acct_flags) {
 694                 case ACB_WSTRUST:
 695                         old_account_type = "domain member (member)";
 696                         break;
 697                 case ACB_SVRTRUST:
 698                         old_account_type = "domain controller (bdc)";
 699                         break;
 700                 case ACB_DOMTRUST:
 701                         old_account_type = "trusted domain";
 702                         break;
 703                 default:
 704                         return NT_STATUS_INVALID_PARAMETER;
 705                 }
 706                 switch (r->in.acct_type) {
 707                 case ACB_WSTRUST:
 708                         new_account_type = "domain member (member)";
 709                         break;
 710                 case ACB_SVRTRUST:
 711                         new_account_type = "domain controller (bdc)";
 712                         break;
 713                 case ACB_DOMTRUST:
 714                         new_account_type = "trusted domain";
 715                         break;
 716                 default:
 717                         return NT_STATUS_INVALID_PARAMETER;
 718                 }
 719
 720                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 721                         /* We created a new user, but they didn't come out the right type?!? */
 722                         r->out.error_string
 723                                 = talloc_asprintf(mem_ctx,
 724                                                   "We asked to create a new machine account (%s) of type %s, "
 725                                                   "but we got an account of type %s.  This is unexpected.  "
 726                                                   "Perhaps delete the account and try again.\n",
 727                                                   r->in.account_name, new_account_type, old_account_type);
 728                         talloc_free(tmp_ctx);
 729                         return NT_STATUS_INVALID_PARAMETER;
 730                 } else {
 731                         /* The account is of the wrong type, so bail */
 732
 733                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 734                         r->out.error_string
 735                                 = talloc_asprintf(mem_ctx,
 736                                                   "The machine account (%s) already exists in the domain %s, "
 737                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 738                                                   "the account and try again.\n",
 739                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 740                         talloc_free(tmp_ctx);
 741                         return NT_STATUS_USER_EXISTS;
 742                 }
 743         } else {
 744                 acct_flags = qui.out.info->info16.acct_flags;
 745         }
 746
 747         acct_flags = (acct_flags & ~ACB_DISABLED);
 748
 749         /* Find out what password policy this user has */
 750         pwp.in.user_handle = u_handle;
 751
 752         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 753         if (NT_STATUS_IS_OK(status)) {
 754                 policy_min_pw_len = pwp.out.info.min_password_length;
 755         }
 756
 757         /* Grab a password of that minimum length */
 758
 759         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 760
 761         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 762         r2.samr_handle.in.account_name  = r->in.account_name;
 763         r2.samr_handle.in.newpassword   = password_str;
 764         r2.samr_handle.in.user_handle   = u_handle;
 765         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 766
 767         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 768         if (!NT_STATUS_IS_OK(status)) {
 769                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 770                 talloc_free(tmp_ctx);
 771                 return status;
 772         }
 773
 774         /* reset flags (if required) */
 775         if (acct_flags != qui.out.info->info16.acct_flags) {
 776                 ZERO_STRUCT(u_info);
 777                 u_info.info16.acct_flags = acct_flags;
 778
 779                 sui.in.user_handle = u_handle;
 780                 sui.in.info = &u_info;
 781                 sui.in.level = 16;
 782
 783                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 784                 if (!NT_STATUS_IS_OK(status)) {
 785                         r->out.error_string = talloc_asprintf(mem_ctx,
 786                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 787                                                         r->in.account_name,
 788                                                         nt_errstr(status));
 789                         talloc_free(tmp_ctx);
 790                         return status;
 791                 }
 792         }
 793
 794         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 795         if (!account_sid) {
 796                 r->out.error_string = NULL;
 797                 talloc_free(tmp_ctx);
 798                 return NT_STATUS_NO_MEMORY;
 799         }
 800
 801         /* Finish out by pushing various bits of status data out for the caller to use */
 802         r->out.join_password = password_str;
 803         talloc_steal(mem_ctx, r->out.join_password);
 804
 805         r->out.domain_sid = connect_with_info->out.domain_sid;
 806         talloc_steal(mem_ctx, r->out.domain_sid);
 807
 808         r->out.account_sid = account_sid;
 809         talloc_steal(mem_ctx, r->out.account_sid);
 810
 811         r->out.domain_name = connect_with_info->out.domain_name;
 812         talloc_steal(mem_ctx, r->out.domain_name);
 813         r->out.realm = connect_with_info->out.realm;
 814         talloc_steal(mem_ctx, r->out.realm);
 815         r->out.samr_pipe = samr_pipe;
 816         talloc_steal(mem_ctx, samr_pipe);
 817         r->out.samr_binding = samr_pipe->binding;
 818         talloc_steal(mem_ctx, r->out.samr_binding);
 819         r->out.user_handle = u_handle;
 820         talloc_steal(mem_ctx, u_handle);
 821         r->out.error_string = r2.samr_handle.out.error_string;
 822         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 823         r->out.kvno = 0;
 824         r->out.server_dn_str = NULL;
 825         talloc_free(tmp_ctx);
 826
 827         /* Now, if it was AD, then we want to start looking changing a
 828          * few more things.  Otherwise, we are done. */
 829         if (r->out.realm) {
 830                 status = libnet_JoinADSDomain(ctx, r);
 831                 return status;
 832         }
 833
 834         return status;
 835 }
 836
 837 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 838                                            TALLOC_CTX *mem_ctx,
 839                                            struct libnet_Join *r)
 840 {
 841         NTSTATUS status;
 842         TALLOC_CTX *tmp_mem;
 843         struct libnet_JoinDomain *r2;
 844         int ret, rtn;
 845         struct ldb_context *ldb;
 846         const struct ldb_dn *base_dn;
 847         struct ldb_message **msgs, *msg;
 848         const char *sct;
 849         const char * const attrs[] = {
 850                 "whenChanged",
 851                 "secret",
 852                 "priorSecret",
 853                 "priorChanged",
 854                 "krb5Keytab",
 855                 "privateKeytab",
 856                 NULL
 857         };
 858         uint32_t acct_type = 0;
 859         const char *account_name;
 860         const char *netbios_name;
 861         char *filter;
 862
 863         r->out.error_string = NULL;
 864
 865         tmp_mem = talloc_new(mem_ctx);
 866         if (!tmp_mem) {
 867                 return NT_STATUS_NO_MEMORY;
 868         }
 869
 870         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 871         if (!r2) {
 872                 r->out.error_string = NULL;
 873                 talloc_free(tmp_mem);
 874                 return NT_STATUS_NO_MEMORY;
 875         }
 876
 877         if (r->in.join_type == SEC_CHAN_BDC) {
 878                 acct_type = ACB_SVRTRUST;
 879         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 880                 acct_type = ACB_WSTRUST;
 881         } else {
 882                 r->out.error_string = NULL;
 883                 talloc_free(tmp_mem);
 884                 return NT_STATUS_INVALID_PARAMETER;
 885         }
 886
 887         if (r->in.netbios_name != NULL) {
 888                 netbios_name = r->in.netbios_name;
 889         } else {
 890                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 891                 if (!netbios_name) {
 892                         r->out.error_string = NULL;
 893                         talloc_free(tmp_mem);
 894                         return NT_STATUS_NO_MEMORY;
 895                 }
 896         }
 897
 898         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 899         if (!account_name) {
 900                 r->out.error_string = NULL;
 901                 talloc_free(tmp_mem);
 902                 return NT_STATUS_NO_MEMORY;
 903         }
 904
 905         /*
 906          * Local secrets are stored in secrets.ldb
 907          * open it to make sure we can write the info into it after the join
 908          */
 909         ldb = secrets_db_connect(tmp_mem);
 910         if (!ldb) {
 911                 r->out.error_string
 912                         = talloc_asprintf(mem_ctx,
 913                                           "Could not open secrets database\n");
 914                 talloc_free(tmp_mem);
 915                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 916         }
 917
 918         /*
 919          * join the domain
 920          */
 921         ZERO_STRUCTP(r2);
 922         r2->in.domain_name      = r->in.domain_name;
 923         r2->in.account_name     = account_name;
 924         r2->in.netbios_name     = netbios_name;
 925         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 926         r2->in.acct_type        = acct_type;
 927         r2->in.recreate_account = False;
 928         status = libnet_JoinDomain(ctx, r2, r2);
 929         if (!NT_STATUS_IS_OK(status)) {
 930                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 931                 talloc_free(tmp_mem);
 932                 return status;
 933         }
 934
 935         /*
 936          * now prepare the record for secrets.ldb
 937          */
 938         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 939         if (!sct) {
 940                 r->out.error_string = NULL;
 941                 talloc_free(tmp_mem);
 942                 return NT_STATUS_NO_MEMORY;
 943         }
 944
 945         msg = ldb_msg_new(tmp_mem);
 946         if (!msg) {
 947                 r->out.error_string = NULL;
 948                 talloc_free(tmp_mem);
 949                 return NT_STATUS_NO_MEMORY;
 950         }
 951
 952         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 953         if (!base_dn) {
 954                 r->out.error_string = NULL;
 955                 talloc_free(tmp_mem);
 956                 return NT_STATUS_NO_MEMORY;
 957         }
 958
 959         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 960         if (!msg->dn) {
 961                 r->out.error_string = NULL;
 962                 talloc_free(tmp_mem);
 963                 return NT_STATUS_NO_MEMORY;
 964         }
 965
 966         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 967         if (rtn == -1) {
 968                 r->out.error_string = NULL;
 969                 talloc_free(tmp_mem);
 970                 return NT_STATUS_NO_MEMORY;
 971         }
 972
 973         if (r2->out.realm) {
 974                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 975                 if (rtn == -1) {
 976                         r->out.error_string = NULL;
 977                         talloc_free(tmp_mem);
 978                         return NT_STATUS_NO_MEMORY;
 979                 }
 980
 981                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 982                 if (rtn == -1) {
 983                         r->out.error_string = NULL;
 984                         talloc_free(tmp_mem);
 985                         return NT_STATUS_NO_MEMORY;
 986                 }
 987         }
 988
 989         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 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, "secret", r2->out.join_password);
 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, "samAccountName", r2->in.account_name);
1004         if (rtn == -1) {
1005                 r->out.error_string = NULL;
1006                 talloc_free(tmp_mem);
1007                 return NT_STATUS_NO_MEMORY;
1008         }
1009
1010         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1011         if (rtn == -1) {
1012                 r->out.error_string = NULL;
1013                 talloc_free(tmp_mem);
1014                 return NT_STATUS_NO_MEMORY;
1015         }
1016
1017         if (r2->out.kvno) {
1018                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1019                                          r2->out.kvno);
1020                 if (rtn == -1) {
1021                         r->out.error_string = NULL;
1022                         talloc_free(tmp_mem);
1023                         return NT_STATUS_NO_MEMORY;
1024                 }
1025         }
1026
1027         if (r2->out.domain_sid) {
1028                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1029                                             r2->out.domain_sid);
1030                 if (rtn == -1) {
1031                         r->out.error_string = NULL;
1032                         talloc_free(tmp_mem);
1033                         return NT_STATUS_NO_MEMORY;
1034                 }
1035         }
1036
1037         /*
1038          * search for the secret record
1039          * - remove the records we find
1040          * - and fetch the old secret and store it under priorSecret
1041          */
1042         ret = gendb_search(ldb,
1043                            tmp_mem, base_dn,
1044                            &msgs, attrs,
1045                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1046                            r2->out.domain_name, r2->out.realm);
1047         if (ret == 0) {
1048                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1049                 if (rtn == -1) {
1050                         r->out.error_string = NULL;
1051                         talloc_free(tmp_mem);
1052                         return NT_STATUS_NO_MEMORY;
1053                 }
1054         } else if (ret == -1) {
1055                 r->out.error_string
1056                         = talloc_asprintf(mem_ctx,
1057                                           "Search for domain: %s and realm: %s failed: %s",
1058                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1059                 talloc_free(tmp_mem);
1060                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1061         } else {
1062                 const struct ldb_val *private_keytab;
1063                 const struct ldb_val *krb5_keytab;
1064                 const struct ldb_val *prior_secret;
1065                 const struct ldb_val *prior_modified_time;
1066                 int i;
1067
1068                 for (i = 0; i < ret; i++) {
1069                         ldb_delete(ldb, msgs[i]->dn);
1070                 }
1071
1072                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1073                 if (prior_secret) {
1074                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1075                         if (rtn == -1) {
1076                                 r->out.error_string = NULL;
1077                                 talloc_free(tmp_mem);
1078                                 return NT_STATUS_NO_MEMORY;
1079                         }
1080                 }
1081                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1082                 if (rtn == -1) {
1083                         r->out.error_string = NULL;
1084                         talloc_free(tmp_mem);
1085                         return NT_STATUS_NO_MEMORY;
1086                 }
1087
1088                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1089                                                            "whenChanged");
1090                 if (prior_modified_time) {
1091                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1092                                                   prior_modified_time);
1093                         if (rtn == -1) {
1094                                 r->out.error_string = NULL;
1095                                 talloc_free(tmp_mem);
1096                                 return NT_STATUS_NO_MEMORY;
1097                         }
1098                 }
1099
1100                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1101                 if (rtn == -1) {
1102                         r->out.error_string = NULL;
1103                         talloc_free(tmp_mem);
1104                         return NT_STATUS_NO_MEMORY;
1105                 }
1106
1107                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1108                 if (rtn == -1) {
1109                         r->out.error_string = NULL;
1110                         talloc_free(tmp_mem);
1111                         return NT_STATUS_NO_MEMORY;
1112                 }
1113
1114                 /* We will want to keep the keytab names */
1115                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1116                 if (private_keytab) {
1117                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1118                         if (rtn == -1) {
1119                                 r->out.error_string = NULL;
1120                                 talloc_free(tmp_mem);
1121                                 return NT_STATUS_NO_MEMORY;
1122                         }
1123                 }
1124                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1125                 if (krb5_keytab) {
1126                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1127                         if (rtn == -1) {
1128                                 r->out.error_string = NULL;
1129                                 talloc_free(tmp_mem);
1130                                 return NT_STATUS_NO_MEMORY;
1131                         }
1132                 }
1133         }
1134
1135         /* create the secret */
1136         ret = samdb_add(ldb, tmp_mem, msg);
1137         if (ret != 0) {
1138                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1139                                                       ldb_dn_linearize(ldb, msg->dn));
1140                 talloc_free(tmp_mem);
1141                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1142         }
1143
1144         if (r2->out.realm) {
1145                 struct cli_credentials *creds;
1146                 /* Make a credentials structure from it */
1147                 creds = cli_credentials_init(mem_ctx);
1148                 if (!creds) {
1149                         r->out.error_string = NULL;
1150                         talloc_free(tmp_mem);
1151                         return NT_STATUS_NO_MEMORY;
1152                 }
1153                 cli_credentials_set_conf(creds);
1154                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1155                 status = cli_credentials_set_secrets(creds, NULL, filter);
1156                 if (!NT_STATUS_IS_OK(status)) {
1157                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1158                                                               filter);
1159                         talloc_free(tmp_mem);
1160                         return status;
1161                 }
1162                 ret = cli_credentials_update_keytab(creds);
1163                 if (ret != 0) {
1164                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1165                                                               filter);
1166                         talloc_free(tmp_mem);
1167                         return NT_STATUS_UNSUCCESSFUL;
1168                 }
1169         }
1170
1171         /* move all out parameter to the callers TALLOC_CTX */
1172         r->out.error_string     = NULL;
1173         r->out.join_password    = r2->out.join_password;
1174         talloc_steal(mem_ctx, r2->out.join_password);
1175         r->out.domain_sid       = r2->out.domain_sid;
1176         talloc_steal(mem_ctx, r2->out.domain_sid);
1177         r->out.domain_name      = r2->out.domain_name;
1178         talloc_steal(mem_ctx, r2->out.domain_name);
1179         talloc_free(tmp_mem);
1180         return NT_STATUS_OK;
1181 }
1182
1183 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1184 {
1185         switch (r->in.join_type) {
1186                 case SEC_CHAN_WKSTA:
1187                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1188                 case SEC_CHAN_BDC:
1189                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1190                 case SEC_CHAN_DOMAIN:
1191                         break;
1192         }
1193
1194         r->out.error_string = talloc_asprintf(mem_ctx,
1195                                               "Invalid join type specified (%08X) attempting to join domain %s",
1196                                               r->in.join_type, r->in.domain_name);
1197         return NT_STATUS_INVALID_PARAMETER;
1198 }