source4/libnet/libnet_join.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher      2004
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   6    Copyright (C) Brad Henry 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libnet/libnet.h"
  25 #include "librpc/gen_ndr/ndr_drsuapi.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "passdb/secrets.h"
  29 #include "dsdb/samdb/samdb.h"
  30 #include "db_wrap.h"
  31 #include "libcli/security/proto.h"
  32
  33 /*
  34  * complete a domain join, when joining to a AD domain:
  35  * 1.) connect and bind to the DRSUAPI pipe
  36  * 2.) do a DsCrackNames() to find the machine account dn
  37  * 3.) connect to LDAP
  38  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  39  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  40  * 6.) do a DsCrackNames() to find the domain dn
  41  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  42  */
  43 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  44 {
  45         NTSTATUS status;
  46
  47         TALLOC_CTX *tmp_ctx;
  48
  49         const char *realm = r->out.realm;
  50
  51         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  52
  53         struct dcerpc_pipe *drsuapi_pipe;
  54         struct dcerpc_binding *drsuapi_binding;
  55         struct drsuapi_DsBind r_drsuapi_bind;
  56         struct drsuapi_DsCrackNames r_crack_names;
  57         struct drsuapi_DsNameString names[1];
  58         struct policy_handle drsuapi_bind_handle;
  59         struct GUID drsuapi_bind_guid;
  60
  61         struct ldb_context *remote_ldb;
  62         const struct ldb_dn *account_dn;
  63         const char *account_dn_str;
  64         const char *remote_ldb_url;
  65         struct ldb_result *res;
  66         struct ldb_message *msg;
  67
  68         int ret, rtn;
  69
  70         unsigned int kvno;
  71
  72         const char * const attrs[] = {
  73                 "msDS-KeyVersionNumber",
  74                 "servicePrincipalName",
  75                 "dNSHostName",
  76                 NULL,
  77         };
  78
  79         r->out.error_string = NULL;
  80
  81         /* We need to convert between a samAccountName and domain to a
  82          * DN in the directory.  The correct way to do this is with
  83          * DRSUAPI CrackNames */
  84
  85         /* Fiddle with the bindings, so get to DRSUAPI on
  86          * NCACN_IP_TCP, sealed */
  87         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  88         if (!tmp_ctx) {
  89                 r->out.error_string = NULL;
  90                 return NT_STATUS_NO_MEMORY;
  91         }
  92
  93         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  94         if (!drsuapi_binding) {
  95                 r->out.error_string = NULL;
  96                 talloc_free(tmp_ctx);
  97                 return NT_STATUS_NO_MEMORY;
  98         }
  99
 100         *drsuapi_binding = *samr_binding;
 101
 102         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 103         if (drsuapi_binding->transport != NCALRPC) {
 104                 drsuapi_binding->transport = NCACN_IP_TCP;
 105         }
 106         drsuapi_binding->endpoint = NULL;
 107         drsuapi_binding->flags |= DCERPC_SEAL;
 108
 109         status = dcerpc_pipe_connect_b(tmp_ctx,
 110                                        &drsuapi_pipe,
 111                                        drsuapi_binding,
 112                                        &dcerpc_table_drsuapi,
 113                                        ctx->cred,
 114                                        ctx->event_ctx);
 115         if (!NT_STATUS_IS_OK(status)) {
 116                 r->out.error_string = talloc_asprintf(r,
 117                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 118                                         r->in.domain_name,
 119                                         nt_errstr(status));
 120                 talloc_free(tmp_ctx);
 121                 return status;
 122         }
 123
 124         /* get a DRSUAPI pipe handle */
 125         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 126
 127         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 128         r_drsuapi_bind.in.bind_info = NULL;
 129         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 130
 131         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 132         if (!NT_STATUS_IS_OK(status)) {
 133                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 134                         r->out.error_string
 135                                 = talloc_asprintf(r,
 136                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 137                                                   r->in.domain_name, r->in.account_name,
 138                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 139                         talloc_free(tmp_ctx);
 140                         return status;
 141                 } else {
 142                         r->out.error_string
 143                                 = talloc_asprintf(r,
 144                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 145                                                   r->in.domain_name, r->in.account_name,
 146                                                   nt_errstr(status));
 147                         talloc_free(tmp_ctx);
 148                         return status;
 149                 }
 150         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 151                 r->out.error_string
 152                                 = talloc_asprintf(r,
 153                                                   "DsBind failed - %s\n",
 154                                                   win_errstr(r_drsuapi_bind.out.result));
 155                         talloc_free(tmp_ctx);
 156                 return NT_STATUS_UNSUCCESSFUL;
 157         }
 158
 159         /* Actually 'crack' the names */
 160         ZERO_STRUCT(r_crack_names);
 161         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 162         r_crack_names.in.level                  = 1;
 163         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 164         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 165         r_crack_names.in.req.req1.count         = 1;
 166         r_crack_names.in.req.req1.names         = names;
 167         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 168         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 169         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 170         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 171         if (!names[0].str) {
 172                 r->out.error_string = NULL;
 173                 talloc_free(tmp_ctx);
 174                 return NT_STATUS_NO_MEMORY;
 175         }
 176
 177         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 178         if (!NT_STATUS_IS_OK(status)) {
 179                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 180                         r->out.error_string
 181                                 = talloc_asprintf(r,
 182                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 183                                                   names[0].str,
 184                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 185                         talloc_free(tmp_ctx);
 186                         return status;
 187                 } else {
 188                         r->out.error_string
 189                                 = talloc_asprintf(r,
 190                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 191                                                   names[0].str,
 192                                                   nt_errstr(status));
 193                         talloc_free(tmp_ctx);
 194                         return status;
 195                 }
 196         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 197                 r->out.error_string
 198                                 = talloc_asprintf(r,
 199                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 200                 talloc_free(tmp_ctx);
 201                 return NT_STATUS_UNSUCCESSFUL;
 202         } else if (r_crack_names.out.level != 1
 203                    || !r_crack_names.out.ctr.ctr1
 204                    || r_crack_names.out.ctr.ctr1->count != 1
 205                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 206                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 207                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 208                 talloc_free(tmp_ctx);
 209                 return NT_STATUS_UNSUCCESSFUL;
 210         }
 211
 212         /* Store the DN of our machine account. */
 213         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 214
 215         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 216         if (!account_dn) {
 217                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 218                                                       account_dn_str);
 219                 talloc_free(tmp_ctx);
 220                 return NT_STATUS_UNSUCCESSFUL;
 221         }
 222
 223         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 224
 225         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 226                                          drsuapi_binding->host);
 227         if (!remote_ldb_url) {
 228                 r->out.error_string = NULL;
 229                 talloc_free(tmp_ctx);
 230                 return NT_STATUS_NO_MEMORY;
 231         }
 232
 233         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 234                                       NULL, ctx->cred, 0, NULL);
 235         if (!remote_ldb) {
 236                 r->out.error_string = NULL;
 237                 talloc_free(tmp_ctx);
 238                 return NT_STATUS_UNSUCCESSFUL;
 239         }
 240
 241         /* search for the user's record */
 242         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 243                              NULL, attrs, &res);
 244         if (ret != LDB_SUCCESS || res->count != 1) {
 245                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 246                                                       account_dn_str, ldb_errstring(remote_ldb));
 247                 talloc_free(tmp_ctx);
 248                 return NT_STATUS_UNSUCCESSFUL;
 249         }
 250
 251         /* If we have a kvno recorded in AD, we need it locally as well */
 252         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 253
 254         /* Prepare a new message, for the modify */
 255         msg = ldb_msg_new(tmp_ctx);
 256         if (!msg) {
 257                 r->out.error_string = NULL;
 258                 talloc_free(tmp_ctx);
 259                 return NT_STATUS_NO_MEMORY;
 260         }
 261         msg->dn = res->msgs[0]->dn;
 262
 263         {
 264                 int i;
 265                 const char *service_principal_name[6];
 266                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 267                                                             talloc_asprintf(tmp_ctx,
 268                                                                             "%s.%s",
 269                                                                             r->in.netbios_name,
 270                                                                             realm));
 271
 272                 if (!dns_host_name) {
 273                         r->out.error_string = NULL;
 274                         talloc_free(tmp_ctx);
 275                         return NT_STATUS_NO_MEMORY;
 276                 }
 277
 278                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 279                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 280                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 281                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 282                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 283                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 284
 285                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 286                         if (!service_principal_name[i]) {
 287                                 r->out.error_string = NULL;
 288                                 talloc_free(tmp_ctx);
 289                                 return NT_STATUS_NO_MEMORY;
 290                         }
 291                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 292                         if (rtn == -1) {
 293                                 r->out.error_string = NULL;
 294                                 talloc_free(tmp_ctx);
 295                                 return NT_STATUS_NO_MEMORY;
 296                         }
 297                 }
 298
 299                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 300                 if (rtn == -1) {
 301                         r->out.error_string = NULL;
 302                         talloc_free(tmp_ctx);
 303                         return NT_STATUS_NO_MEMORY;
 304                 }
 305
 306                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 307                 if (rtn != 0) {
 308                         r->out.error_string
 309                                 = talloc_asprintf(r,
 310                                                   "Failed to replace entries on %s\n",
 311                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 312                         talloc_free(tmp_ctx);
 313                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 314                 }
 315         }
 316
 317         /* DsCrackNames to find out the DN of the domain. */
 318         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 319         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 320         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 321         if (!names[0].str) {
 322                 r->out.error_string = NULL;
 323                 talloc_free(tmp_ctx);
 324                 return NT_STATUS_NO_MEMORY;
 325         }
 326
 327         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 328         if (!NT_STATUS_IS_OK(status)) {
 329                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 330                         r->out.error_string
 331                                 = talloc_asprintf(r,
 332                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 333                                                   r->in.domain_name,
 334                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 335                         talloc_free(tmp_ctx);
 336                         return status;
 337                 } else {
 338                         r->out.error_string
 339                                 = talloc_asprintf(r,
 340                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 341                                                   r->in.domain_name,
 342                                                   nt_errstr(status));
 343                         talloc_free(tmp_ctx);
 344                         return status;
 345                 }
 346         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 347                 r->out.error_string
 348                         = talloc_asprintf(r,
 349                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 350                 talloc_free(tmp_ctx);
 351                 return NT_STATUS_UNSUCCESSFUL;
 352         } else if (r_crack_names.out.level != 1
 353                    || !r_crack_names.out.ctr.ctr1
 354                    || r_crack_names.out.ctr.ctr1->count != 1
 355                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 356                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 357                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 358                 talloc_free(tmp_ctx);
 359                 return NT_STATUS_UNSUCCESSFUL;
 360         }
 361
 362         /* Store the account DN. */
 363         r->out.account_dn_str = account_dn_str;
 364         talloc_steal(r, account_dn_str);
 365
 366         /* Store the domain DN. */
 367         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 368         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 369
 370         r->out.kvno = kvno;
 371
 372         if (r->in.acct_type == ACB_SVRTRUST) {
 373                 status = libnet_JoinSite(remote_ldb, r);
 374         }
 375         talloc_free(tmp_ctx);
 376
 377         return status;
 378 }
 379
 380 /*
 381  * do a domain join using DCERPC/SAMR calls
 382  * - connect to the LSA pipe, to try and find out information about the domain
 383  * - create a secondary connection to SAMR pipe
 384  * - do a samr_Connect to get a policy handle
 385  * - do a samr_LookupDomain to get the domain sid
 386  * - do a samr_OpenDomain to get a domain handle
 387  * - do a samr_CreateAccount to try and get a new account
 388  *
 389  * If that fails, do:
 390  * - do a samr_LookupNames to get the users rid
 391  * - do a samr_OpenUser to get a user handle
 392  * - potentially delete and recreate the user
 393  * - assert the account is of the right type with samrQueryUserInfo
 394  *
 395  * - call libnet_SetPassword_samr_handle to set the password
 396  *
 397  * - do a samrSetUserInfo to set the account flags
 398  * - do some ADS specific things when we join as Domain Controller,
 399  *    look at libnet_joinADSDomain() for the details
 400  */
 401 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 402 {
 403         TALLOC_CTX *tmp_ctx;
 404
 405         NTSTATUS status, cu_status;
 406
 407         struct libnet_RpcConnectDCInfo *connect_with_info;
 408         struct dcerpc_pipe *samr_pipe;
 409
 410         struct samr_Connect sc;
 411         struct policy_handle p_handle;
 412         struct samr_OpenDomain od;
 413         struct policy_handle d_handle;
 414         struct samr_LookupNames ln;
 415         struct samr_OpenUser ou;
 416         struct samr_CreateUser2 cu;
 417         struct policy_handle *u_handle = NULL;
 418         struct samr_QueryUserInfo qui;
 419         struct samr_SetUserInfo sui;
 420         union samr_UserInfo u_info;
 421         union libnet_SetPassword r2;
 422         struct samr_GetUserPwInfo pwp;
 423         struct lsa_String samr_account_name;
 424
 425         uint32_t acct_flags, old_acct_flags;
 426         uint32_t rid, access_granted;
 427         int policy_min_pw_len = 0;
 428
 429         struct dom_sid *account_sid = NULL;
 430         const char *password_str = NULL;
 431
 432         r->out.error_string = NULL;
 433         r2.samr_handle.out.error_string = NULL;
 434
 435         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 436         if (!tmp_ctx) {
 437                 r->out.error_string = NULL;
 438                 return NT_STATUS_NO_MEMORY;
 439         }
 440
 441         u_handle = talloc(tmp_ctx, struct policy_handle);
 442         if (!u_handle) {
 443                 r->out.error_string = NULL;
 444                 talloc_free(tmp_ctx);
 445                 return NT_STATUS_NO_MEMORY;
 446         }
 447
 448         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnectDCInfo);
 449         if (!connect_with_info) {
 450                 r->out.error_string = NULL;
 451                 talloc_free(tmp_ctx);
 452                 return NT_STATUS_NO_MEMORY;
 453         }
 454
 455         /* prepare connect to the LSA pipe of PDC */
 456         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 457                 connect_with_info->level      = LIBNET_RPC_CONNECT_PDC;
 458                 connect_with_info->in.name    = r->in.domain_name;
 459         } else {
 460                 connect_with_info->level      = LIBNET_RPC_CONNECT_BINDING;
 461                 connect_with_info->in.binding = r->in.binding;
 462         }
 463
 464         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 465         /*
 466           establish a SAMR connection, on the same CIFS transport
 467         */
 468
 469         status = libnet_RpcConnectDCInfo(ctx, connect_with_info);
 470         if (!NT_STATUS_IS_OK(status)) {
 471                 if (r->in.binding) {
 472                         r->out.error_string = talloc_asprintf(mem_ctx,
 473                                                               "Connection to SAMR pipe of DC %s failed: %s",
 474                                                               r->in.binding, connect_with_info->out.error_string);
 475                 } else {
 476                         r->out.error_string = talloc_asprintf(mem_ctx,
 477                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 478                                                               r->in.domain_name, connect_with_info->out.error_string);
 479                 }
 480                 talloc_free(tmp_ctx);
 481                 return status;
 482         }
 483
 484         samr_pipe = connect_with_info->out.dcerpc_pipe,
 485
 486         status = dcerpc_pipe_auth(samr_pipe,
 487                                   connect_with_info->out.dcerpc_pipe->binding,
 488                                   &dcerpc_table_samr, ctx->cred);
 489         if (!NT_STATUS_IS_OK(status)) {
 490                 r->out.error_string = talloc_asprintf(mem_ctx,
 491                                                 "SAMR bind failed: %s",
 492                                                 nt_errstr(status));
 493                 talloc_free(tmp_ctx);
 494                 return status;
 495         }
 496
 497         /* prepare samr_Connect */
 498         ZERO_STRUCT(p_handle);
 499         sc.in.system_name = NULL;
 500         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 501         sc.out.connect_handle = &p_handle;
 502
 503         /* 2. do a samr_Connect to get a policy handle */
 504         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 505         if (!NT_STATUS_IS_OK(status)) {
 506                 r->out.error_string = talloc_asprintf(mem_ctx,
 507                                                 "samr_Connect failed: %s",
 508                                                 nt_errstr(status));
 509                 talloc_free(tmp_ctx);
 510                 return status;
 511         }
 512
 513         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 514         if (!connect_with_info->out.domain_name) {
 515                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 516                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 517                 } else {
 518                         /* Bugger, we just lost our way to automaticly find the domain name */
 519                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 520                 }
 521         }
 522
 523         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 524         if (!connect_with_info->out.domain_sid) {
 525                 struct lsa_String name;
 526                 struct samr_LookupDomain l;
 527                 name.string = connect_with_info->out.domain_name;
 528                 l.in.connect_handle = &p_handle;
 529                 l.in.domain_name = &name;
 530
 531                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 532                 if (!NT_STATUS_IS_OK(status)) {
 533                         r->out.error_string = talloc_asprintf(mem_ctx,
 534                                                               "SAMR LookupDomain failed: %s",
 535                                                               nt_errstr(status));
 536                         talloc_free(tmp_ctx);
 537                         return status;
 538                 }
 539                 connect_with_info->out.domain_sid = l.out.sid;
 540         }
 541
 542         /* prepare samr_OpenDomain */
 543         ZERO_STRUCT(d_handle);
 544         od.in.connect_handle = &p_handle;
 545         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 546         od.in.sid = connect_with_info->out.domain_sid;
 547         od.out.domain_handle = &d_handle;
 548
 549         /* do a samr_OpenDomain to get a domain handle */
 550         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 551         if (!NT_STATUS_IS_OK(status)) {
 552                 r->out.error_string = talloc_asprintf(mem_ctx,
 553                                                       "samr_OpenDomain for [%s] failed: %s",
 554                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 555                                                       nt_errstr(status));
 556                 talloc_free(tmp_ctx);
 557                 return status;
 558         }
 559
 560         /* prepare samr_CreateUser2 */
 561         ZERO_STRUCTP(u_handle);
 562         cu.in.domain_handle  = &d_handle;
 563         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 564         samr_account_name.string = r->in.account_name;
 565         cu.in.account_name    = &samr_account_name;
 566         cu.in.acct_flags      = r->in.acct_type;
 567         cu.out.user_handle    = u_handle;
 568         cu.out.rid            = &rid;
 569         cu.out.access_granted = &access_granted;
 570
 571         /* do a samr_CreateUser2 to get an account handle, or an error */
 572         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 573         status = cu_status;
 574         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 575                 /* prepare samr_LookupNames */
 576                 ln.in.domain_handle = &d_handle;
 577                 ln.in.num_names = 1;
 578                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 579                 if (!ln.in.names) {
 580                         r->out.error_string = NULL;
 581                         talloc_free(tmp_ctx);
 582                         return NT_STATUS_NO_MEMORY;
 583                 }
 584                 ln.in.names[0].string = r->in.account_name;
 585
 586                 /* 5. do a samr_LookupNames to get the users rid */
 587                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 588                 if (!NT_STATUS_IS_OK(status)) {
 589                         r->out.error_string = talloc_asprintf(mem_ctx,
 590                                                 "samr_LookupNames for [%s] failed: %s",
 591                                                 r->in.account_name,
 592                                                 nt_errstr(status));
 593                         talloc_free(tmp_ctx);
 594                         return status;
 595                 }
 596
 597                 /* check if we got one RID for the user */
 598                 if (ln.out.rids.count != 1) {
 599                         r->out.error_string = talloc_asprintf(mem_ctx,
 600                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 601                                                               r->in.account_name, ln.out.rids.count);
 602                         talloc_free(tmp_ctx);
 603                         return NT_STATUS_INVALID_PARAMETER;
 604                 }
 605
 606                 /* prepare samr_OpenUser */
 607                 ZERO_STRUCTP(u_handle);
 608                 ou.in.domain_handle = &d_handle;
 609                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 610                 ou.in.rid = ln.out.rids.ids[0];
 611                 rid = ou.in.rid;
 612                 ou.out.user_handle = u_handle;
 613
 614                 /* 6. do a samr_OpenUser to get a user handle */
 615                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 616                 if (!NT_STATUS_IS_OK(status)) {
 617                         r->out.error_string = talloc_asprintf(mem_ctx,
 618                                                         "samr_OpenUser for [%s] failed: %s",
 619                                                         r->in.account_name,
 620                                                         nt_errstr(status));
 621                         talloc_free(tmp_ctx);
 622                         return status;
 623                 }
 624
 625                 if (r->in.recreate_account) {
 626                         struct samr_DeleteUser d;
 627                         d.in.user_handle = u_handle;
 628                         d.out.user_handle = u_handle;
 629                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 630                         if (!NT_STATUS_IS_OK(status)) {
 631                                 r->out.error_string = talloc_asprintf(mem_ctx,
 632                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 633                                                                       r->in.account_name,
 634                                                                       nt_errstr(status));
 635                                 talloc_free(tmp_ctx);
 636                                 return status;
 637                         }
 638
 639                         /* We want to recreate, so delete and another samr_CreateUser2 */
 640
 641                         /* &cu filled in above */
 642                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 643                         if (!NT_STATUS_IS_OK(status)) {
 644                                 r->out.error_string = talloc_asprintf(mem_ctx,
 645                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 646                                                                       r->in.domain_name, nt_errstr(status));
 647                                 talloc_free(tmp_ctx);
 648                                 return status;
 649                         }
 650                 }
 651         } else if (!NT_STATUS_IS_OK(status)) {
 652                 r->out.error_string = talloc_asprintf(mem_ctx,
 653                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 654                                                       r->in.domain_name, nt_errstr(status));
 655                 talloc_free(tmp_ctx);
 656                 return status;
 657         }
 658
 659         /* prepare samr_QueryUserInfo (get flags) */
 660         qui.in.user_handle = u_handle;
 661         qui.in.level = 16;
 662
 663         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 664         if (!NT_STATUS_IS_OK(status)) {
 665                 r->out.error_string = talloc_asprintf(mem_ctx,
 666                                                 "samr_QueryUserInfo for [%s] failed: %s",
 667                                                 r->in.account_name,
 668                                                 nt_errstr(status));
 669                 talloc_free(tmp_ctx);
 670                 return status;
 671         }
 672
 673         if (!qui.out.info) {
 674                 status = NT_STATUS_INVALID_PARAMETER;
 675                 r->out.error_string
 676                         = talloc_asprintf(mem_ctx,
 677                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 678                                           r->in.account_name, nt_errstr(status));
 679                 talloc_free(tmp_ctx);
 680                 return status;
 681         }
 682
 683         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 684         /* Possibly bail if the account is of the wrong type */
 685         if (old_acct_flags
 686             != r->in.acct_type) {
 687                 const char *old_account_type, *new_account_type;
 688                 switch (old_acct_flags) {
 689                 case ACB_WSTRUST:
 690                         old_account_type = "domain member (member)";
 691                         break;
 692                 case ACB_SVRTRUST:
 693                         old_account_type = "domain controller (bdc)";
 694                         break;
 695                 case ACB_DOMTRUST:
 696                         old_account_type = "trusted domain";
 697                         break;
 698                 default:
 699                         return NT_STATUS_INVALID_PARAMETER;
 700                 }
 701                 switch (r->in.acct_type) {
 702                 case ACB_WSTRUST:
 703                         new_account_type = "domain member (member)";
 704                         break;
 705                 case ACB_SVRTRUST:
 706                         new_account_type = "domain controller (bdc)";
 707                         break;
 708                 case ACB_DOMTRUST:
 709                         new_account_type = "trusted domain";
 710                         break;
 711                 default:
 712                         return NT_STATUS_INVALID_PARAMETER;
 713                 }
 714
 715                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 716                         /* We created a new user, but they didn't come out the right type?!? */
 717                         r->out.error_string
 718                                 = talloc_asprintf(mem_ctx,
 719                                                   "We asked to create a new machine account (%s) of type %s, "
 720                                                   "but we got an account of type %s.  This is unexpected.  "
 721                                                   "Perhaps delete the account and try again.\n",
 722                                                   r->in.account_name, new_account_type, old_account_type);
 723                         talloc_free(tmp_ctx);
 724                         return NT_STATUS_INVALID_PARAMETER;
 725                 } else {
 726                         /* The account is of the wrong type, so bail */
 727
 728                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 729                         r->out.error_string
 730                                 = talloc_asprintf(mem_ctx,
 731                                                   "The machine account (%s) already exists in the domain %s, "
 732                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 733                                                   "the account and try again.\n",
 734                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 735                         talloc_free(tmp_ctx);
 736                         return NT_STATUS_USER_EXISTS;
 737                 }
 738         } else {
 739                 acct_flags = qui.out.info->info16.acct_flags;
 740         }
 741
 742         acct_flags = (acct_flags & ~ACB_DISABLED);
 743
 744         /* Find out what password policy this user has */
 745         pwp.in.user_handle = u_handle;
 746
 747         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 748         if (NT_STATUS_IS_OK(status)) {
 749                 policy_min_pw_len = pwp.out.info.min_password_length;
 750         }
 751
 752         /* Grab a password of that minimum length */
 753
 754         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 755
 756         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 757         r2.samr_handle.in.account_name  = r->in.account_name;
 758         r2.samr_handle.in.newpassword   = password_str;
 759         r2.samr_handle.in.user_handle   = u_handle;
 760         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 761
 762         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 763         if (!NT_STATUS_IS_OK(status)) {
 764                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 765                 talloc_free(tmp_ctx);
 766                 return status;
 767         }
 768
 769         /* reset flags (if required) */
 770         if (acct_flags != qui.out.info->info16.acct_flags) {
 771                 ZERO_STRUCT(u_info);
 772                 u_info.info16.acct_flags = acct_flags;
 773
 774                 sui.in.user_handle = u_handle;
 775                 sui.in.info = &u_info;
 776                 sui.in.level = 16;
 777
 778                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 779                 if (!NT_STATUS_IS_OK(status)) {
 780                         r->out.error_string = talloc_asprintf(mem_ctx,
 781                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 782                                                         r->in.account_name,
 783                                                         nt_errstr(status));
 784                         talloc_free(tmp_ctx);
 785                         return status;
 786                 }
 787         }
 788
 789         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 790         if (!account_sid) {
 791                 r->out.error_string = NULL;
 792                 talloc_free(tmp_ctx);
 793                 return NT_STATUS_NO_MEMORY;
 794         }
 795
 796         /* Finish out by pushing various bits of status data out for the caller to use */
 797         r->out.join_password = password_str;
 798         talloc_steal(mem_ctx, r->out.join_password);
 799
 800         r->out.domain_sid = connect_with_info->out.domain_sid;
 801         talloc_steal(mem_ctx, r->out.domain_sid);
 802
 803         r->out.account_sid = account_sid;
 804         talloc_steal(mem_ctx, r->out.account_sid);
 805
 806         r->out.domain_name = connect_with_info->out.domain_name;
 807         talloc_steal(mem_ctx, r->out.domain_name);
 808         r->out.realm = connect_with_info->out.realm;
 809         talloc_steal(mem_ctx, r->out.realm);
 810         r->out.samr_pipe = samr_pipe;
 811         talloc_steal(mem_ctx, samr_pipe);
 812         r->out.samr_binding = samr_pipe->binding;
 813         talloc_steal(mem_ctx, r->out.samr_binding);
 814         r->out.user_handle = u_handle;
 815         talloc_steal(mem_ctx, u_handle);
 816         r->out.error_string = r2.samr_handle.out.error_string;
 817         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 818         r->out.kvno = 0;
 819         r->out.server_dn_str = NULL;
 820         talloc_free(tmp_ctx);
 821
 822         /* Now, if it was AD, then we want to start looking changing a
 823          * few more things.  Otherwise, we are done. */
 824         if (r->out.realm) {
 825                 status = libnet_JoinADSDomain(ctx, r);
 826                 return status;
 827         }
 828
 829         return status;
 830 }
 831
 832 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 833                                            TALLOC_CTX *mem_ctx,
 834                                            struct libnet_Join *r)
 835 {
 836         NTSTATUS status;
 837         TALLOC_CTX *tmp_mem;
 838         struct libnet_JoinDomain *r2;
 839         int ret, rtn;
 840         struct ldb_context *ldb;
 841         const struct ldb_dn *base_dn;
 842         struct ldb_message **msgs, *msg;
 843         const char *sct;
 844         const char * const attrs[] = {
 845                 "whenChanged",
 846                 "secret",
 847                 "priorSecret",
 848                 "priorChanged",
 849                 "krb5Keytab",
 850                 "privateKeytab",
 851                 NULL
 852         };
 853         uint32_t acct_type = 0;
 854         const char *account_name;
 855         const char *netbios_name;
 856         char *filter;
 857
 858         r->out.error_string = NULL;
 859
 860         tmp_mem = talloc_new(mem_ctx);
 861         if (!tmp_mem) {
 862                 return NT_STATUS_NO_MEMORY;
 863         }
 864
 865         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 866         if (!r2) {
 867                 r->out.error_string = NULL;
 868                 talloc_free(tmp_mem);
 869                 return NT_STATUS_NO_MEMORY;
 870         }
 871
 872         if (r->in.join_type == SEC_CHAN_BDC) {
 873                 acct_type = ACB_SVRTRUST;
 874         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 875                 acct_type = ACB_WSTRUST;
 876         } else {
 877                 r->out.error_string = NULL;
 878                 talloc_free(tmp_mem);
 879                 return NT_STATUS_INVALID_PARAMETER;
 880         }
 881
 882         if (r->in.netbios_name != NULL) {
 883                 netbios_name = r->in.netbios_name;
 884         } else {
 885                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 886                 if (!netbios_name) {
 887                         r->out.error_string = NULL;
 888                         talloc_free(tmp_mem);
 889                         return NT_STATUS_NO_MEMORY;
 890                 }
 891         }
 892
 893         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 894         if (!account_name) {
 895                 r->out.error_string = NULL;
 896                 talloc_free(tmp_mem);
 897                 return NT_STATUS_NO_MEMORY;
 898         }
 899
 900         /*
 901          * Local secrets are stored in secrets.ldb
 902          * open it to make sure we can write the info into it after the join
 903          */
 904         ldb = secrets_db_connect(tmp_mem);
 905         if (!ldb) {
 906                 r->out.error_string
 907                         = talloc_asprintf(mem_ctx,
 908                                           "Could not open secrets database\n");
 909                 talloc_free(tmp_mem);
 910                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 911         }
 912
 913         /*
 914          * join the domain
 915          */
 916         ZERO_STRUCTP(r2);
 917         r2->in.domain_name      = r->in.domain_name;
 918         r2->in.account_name     = account_name;
 919         r2->in.netbios_name     = netbios_name;
 920         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 921         r2->in.acct_type        = acct_type;
 922         r2->in.recreate_account = False;
 923         status = libnet_JoinDomain(ctx, r2, r2);
 924         if (!NT_STATUS_IS_OK(status)) {
 925                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 926                 talloc_free(tmp_mem);
 927                 return status;
 928         }
 929
 930         /*
 931          * now prepare the record for secrets.ldb
 932          */
 933         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 934         if (!sct) {
 935                 r->out.error_string = NULL;
 936                 talloc_free(tmp_mem);
 937                 return NT_STATUS_NO_MEMORY;
 938         }
 939
 940         msg = ldb_msg_new(tmp_mem);
 941         if (!msg) {
 942                 r->out.error_string = NULL;
 943                 talloc_free(tmp_mem);
 944                 return NT_STATUS_NO_MEMORY;
 945         }
 946
 947         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 948         if (!base_dn) {
 949                 r->out.error_string = NULL;
 950                 talloc_free(tmp_mem);
 951                 return NT_STATUS_NO_MEMORY;
 952         }
 953
 954         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 955         if (!msg->dn) {
 956                 r->out.error_string = NULL;
 957                 talloc_free(tmp_mem);
 958                 return NT_STATUS_NO_MEMORY;
 959         }
 960
 961         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 962         if (rtn == -1) {
 963                 r->out.error_string = NULL;
 964                 talloc_free(tmp_mem);
 965                 return NT_STATUS_NO_MEMORY;
 966         }
 967
 968         if (r2->out.realm) {
 969                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 970                 if (rtn == -1) {
 971                         r->out.error_string = NULL;
 972                         talloc_free(tmp_mem);
 973                         return NT_STATUS_NO_MEMORY;
 974                 }
 975
 976                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 977                 if (rtn == -1) {
 978                         r->out.error_string = NULL;
 979                         talloc_free(tmp_mem);
 980                         return NT_STATUS_NO_MEMORY;
 981                 }
 982         }
 983
 984         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 985         if (rtn == -1) {
 986                 r->out.error_string = NULL;
 987                 talloc_free(tmp_mem);
 988                 return NT_STATUS_NO_MEMORY;
 989         }
 990
 991         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
 992         if (rtn == -1) {
 993                 r->out.error_string = NULL;
 994                 talloc_free(tmp_mem);
 995                 return NT_STATUS_NO_MEMORY;
 996         }
 997
 998         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
 999         if (rtn == -1) {
1000                 r->out.error_string = NULL;
1001                 talloc_free(tmp_mem);
1002                 return NT_STATUS_NO_MEMORY;
1003         }
1004
1005         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1006         if (rtn == -1) {
1007                 r->out.error_string = NULL;
1008                 talloc_free(tmp_mem);
1009                 return NT_STATUS_NO_MEMORY;
1010         }
1011
1012         if (r2->out.kvno) {
1013                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1014                                          r2->out.kvno);
1015                 if (rtn == -1) {
1016                         r->out.error_string = NULL;
1017                         talloc_free(tmp_mem);
1018                         return NT_STATUS_NO_MEMORY;
1019                 }
1020         }
1021
1022         if (r2->out.domain_sid) {
1023                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1024                                             r2->out.domain_sid);
1025                 if (rtn == -1) {
1026                         r->out.error_string = NULL;
1027                         talloc_free(tmp_mem);
1028                         return NT_STATUS_NO_MEMORY;
1029                 }
1030         }
1031
1032         /*
1033          * search for the secret record
1034          * - remove the records we find
1035          * - and fetch the old secret and store it under priorSecret
1036          */
1037         ret = gendb_search(ldb,
1038                            tmp_mem, base_dn,
1039                            &msgs, attrs,
1040                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1041                            r2->out.domain_name, r2->out.realm);
1042         if (ret == 0) {
1043                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1044                 if (rtn == -1) {
1045                         r->out.error_string = NULL;
1046                         talloc_free(tmp_mem);
1047                         return NT_STATUS_NO_MEMORY;
1048                 }
1049         } else if (ret == -1) {
1050                 r->out.error_string
1051                         = talloc_asprintf(mem_ctx,
1052                                           "Search for domain: %s and realm: %s failed: %s",
1053                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1054                 talloc_free(tmp_mem);
1055                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1056         } else {
1057                 const struct ldb_val *private_keytab;
1058                 const struct ldb_val *krb5_keytab;
1059                 const struct ldb_val *prior_secret;
1060                 const struct ldb_val *prior_modified_time;
1061                 int i;
1062
1063                 for (i = 0; i < ret; i++) {
1064                         ldb_delete(ldb, msgs[i]->dn);
1065                 }
1066
1067                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1068                 if (prior_secret) {
1069                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1070                         if (rtn == -1) {
1071                                 r->out.error_string = NULL;
1072                                 talloc_free(tmp_mem);
1073                                 return NT_STATUS_NO_MEMORY;
1074                         }
1075                 }
1076                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1077                 if (rtn == -1) {
1078                         r->out.error_string = NULL;
1079                         talloc_free(tmp_mem);
1080                         return NT_STATUS_NO_MEMORY;
1081                 }
1082
1083                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1084                                                            "whenChanged");
1085                 if (prior_modified_time) {
1086                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1087                                                   prior_modified_time);
1088                         if (rtn == -1) {
1089                                 r->out.error_string = NULL;
1090                                 talloc_free(tmp_mem);
1091                                 return NT_STATUS_NO_MEMORY;
1092                         }
1093                 }
1094
1095                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1096                 if (rtn == -1) {
1097                         r->out.error_string = NULL;
1098                         talloc_free(tmp_mem);
1099                         return NT_STATUS_NO_MEMORY;
1100                 }
1101
1102                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1103                 if (rtn == -1) {
1104                         r->out.error_string = NULL;
1105                         talloc_free(tmp_mem);
1106                         return NT_STATUS_NO_MEMORY;
1107                 }
1108
1109                 /* We will want to keep the keytab names */
1110                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1111                 if (private_keytab) {
1112                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1113                         if (rtn == -1) {
1114                                 r->out.error_string = NULL;
1115                                 talloc_free(tmp_mem);
1116                                 return NT_STATUS_NO_MEMORY;
1117                         }
1118                 }
1119                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1120                 if (krb5_keytab) {
1121                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1122                         if (rtn == -1) {
1123                                 r->out.error_string = NULL;
1124                                 talloc_free(tmp_mem);
1125                                 return NT_STATUS_NO_MEMORY;
1126                         }
1127                 }
1128         }
1129
1130         /* create the secret */
1131         ret = samdb_add(ldb, tmp_mem, msg);
1132         if (ret != 0) {
1133                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1134                                                       ldb_dn_linearize(ldb, msg->dn));
1135                 talloc_free(tmp_mem);
1136                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1137         }
1138
1139         if (r2->out.realm) {
1140                 struct cli_credentials *creds;
1141                 /* Make a credentials structure from it */
1142                 creds = cli_credentials_init(mem_ctx);
1143                 if (!creds) {
1144                         r->out.error_string = NULL;
1145                         talloc_free(tmp_mem);
1146                         return NT_STATUS_NO_MEMORY;
1147                 }
1148                 cli_credentials_set_conf(creds);
1149                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1150                 status = cli_credentials_set_secrets(creds, NULL, filter);
1151                 if (!NT_STATUS_IS_OK(status)) {
1152                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1153                                                               filter);
1154                         talloc_free(tmp_mem);
1155                         return status;
1156                 }
1157                 ret = cli_credentials_update_keytab(creds);
1158                 if (ret != 0) {
1159                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1160                                                               filter);
1161                         talloc_free(tmp_mem);
1162                         return NT_STATUS_UNSUCCESSFUL;
1163                 }
1164         }
1165
1166         /* move all out parameter to the callers TALLOC_CTX */
1167         r->out.error_string     = NULL;
1168         r->out.join_password    = r2->out.join_password;
1169         talloc_steal(mem_ctx, r2->out.join_password);
1170         r->out.domain_sid       = r2->out.domain_sid;
1171         talloc_steal(mem_ctx, r2->out.domain_sid);
1172         r->out.domain_name      = r2->out.domain_name;
1173         talloc_steal(mem_ctx, r2->out.domain_name);
1174         talloc_free(tmp_mem);
1175         return NT_STATUS_OK;
1176 }
1177
1178 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1179 {
1180         switch (r->in.join_type) {
1181                 case SEC_CHAN_WKSTA:
1182                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1183                 case SEC_CHAN_BDC:
1184                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1185                 case SEC_CHAN_DOMAIN:
1186                         break;
1187         }
1188
1189         r->out.error_string = talloc_asprintf(mem_ctx,
1190                                               "Invalid join type specified (%08X) attempting to join domain %s",
1191                                               r->in.join_type, r->in.domain_name);
1192         return NT_STATUS_INVALID_PARAMETER;
1193 }