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_c.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "passdb/secrets.h"
  29 #include "dsdb/samdb/samdb.h"
  30 #include "db_wrap.h"
  31 #include "libcli/security/security.h"
  32 #include "auth/credentials/credentials.h"
  33 #include "librpc/gen_ndr/ndr_samr_c.h"
  34
  35 /*
  36  * complete a domain join, when joining to a AD domain:
  37  * 1.) connect and bind to the DRSUAPI pipe
  38  * 2.) do a DsCrackNames() to find the machine account dn
  39  * 3.) connect to LDAP
  40  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  41  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  42  * 6.) do a DsCrackNames() to find the domain dn
  43  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  44  */
  45 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  46 {
  47         NTSTATUS status;
  48
  49         TALLOC_CTX *tmp_ctx;
  50
  51         const char *realm = r->out.realm;
  52
  53         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  54
  55         struct dcerpc_pipe *drsuapi_pipe;
  56         struct dcerpc_binding *drsuapi_binding;
  57         struct drsuapi_DsBind r_drsuapi_bind;
  58         struct drsuapi_DsCrackNames r_crack_names;
  59         struct drsuapi_DsNameString names[1];
  60         struct policy_handle drsuapi_bind_handle;
  61         struct GUID drsuapi_bind_guid;
  62
  63         struct ldb_context *remote_ldb;
  64         const struct ldb_dn *account_dn;
  65         const char *account_dn_str;
  66         const char *remote_ldb_url;
  67         struct ldb_result *res;
  68         struct ldb_message *msg;
  69
  70         int ret, rtn;
  71
  72         unsigned int kvno;
  73
  74         const char * const attrs[] = {
  75                 "msDS-KeyVersionNumber",
  76                 "servicePrincipalName",
  77                 "dNSHostName",
  78                 NULL,
  79         };
  80
  81         r->out.error_string = NULL;
  82
  83         /* We need to convert between a samAccountName and domain to a
  84          * DN in the directory.  The correct way to do this is with
  85          * DRSUAPI CrackNames */
  86
  87         /* Fiddle with the bindings, so get to DRSUAPI on
  88          * NCACN_IP_TCP, sealed */
  89         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  90         if (!tmp_ctx) {
  91                 r->out.error_string = NULL;
  92                 return NT_STATUS_NO_MEMORY;
  93         }
  94
  95         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  96         if (!drsuapi_binding) {
  97                 r->out.error_string = NULL;
  98                 talloc_free(tmp_ctx);
  99                 return NT_STATUS_NO_MEMORY;
 100         }
 101
 102         *drsuapi_binding = *samr_binding;
 103
 104         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 105         if (drsuapi_binding->transport != NCALRPC) {
 106                 drsuapi_binding->transport = NCACN_IP_TCP;
 107         }
 108         drsuapi_binding->endpoint = NULL;
 109         drsuapi_binding->flags |= DCERPC_SEAL;
 110
 111         status = dcerpc_pipe_connect_b(tmp_ctx,
 112                                        &drsuapi_pipe,
 113                                        drsuapi_binding,
 114                                        &dcerpc_table_drsuapi,
 115                                        ctx->cred,
 116                                        ctx->event_ctx);
 117         if (!NT_STATUS_IS_OK(status)) {
 118                 r->out.error_string = talloc_asprintf(r,
 119                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 120                                         r->in.domain_name,
 121                                         nt_errstr(status));
 122                 talloc_free(tmp_ctx);
 123                 return status;
 124         }
 125
 126         /* get a DRSUAPI pipe handle */
 127         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 128
 129         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 130         r_drsuapi_bind.in.bind_info = NULL;
 131         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 132
 133         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 134         if (!NT_STATUS_IS_OK(status)) {
 135                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 136                         r->out.error_string
 137                                 = talloc_asprintf(r,
 138                                                   "dcerpc_drsuapi_DsBind failed - %s",
 139                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 140                         talloc_free(tmp_ctx);
 141                         return status;
 142                 } else {
 143                         r->out.error_string
 144                                 = talloc_asprintf(r,
 145                                                   "dcerpc_drsuapi_DsBind failed - %s",
 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",
 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",
 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",
 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", 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->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 206                 talloc_free(tmp_ctx);
 207                 return NT_STATUS_INVALID_PARAMETER;
 208         } else if (r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 209                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: %d", r_crack_names.out.ctr.ctr1->array[0].status);
 210                 talloc_free(tmp_ctx);
 211                 return NT_STATUS_UNSUCCESSFUL;
 212         } else if (r_crack_names.out.ctr.ctr1->array[0].result_name == NULL) {
 213                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: no result name");
 214                 talloc_free(tmp_ctx);
 215                 return NT_STATUS_INVALID_PARAMETER;
 216         }
 217
 218         /* Store the DN of our machine account. */
 219         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 220
 221         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 222         if (!account_dn) {
 223                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 224                                                       account_dn_str);
 225                 talloc_free(tmp_ctx);
 226                 return NT_STATUS_UNSUCCESSFUL;
 227         }
 228
 229         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 230
 231         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 232                                          drsuapi_binding->host);
 233         if (!remote_ldb_url) {
 234                 r->out.error_string = NULL;
 235                 talloc_free(tmp_ctx);
 236                 return NT_STATUS_NO_MEMORY;
 237         }
 238
 239         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 240                                       NULL, ctx->cred, 0, NULL);
 241         if (!remote_ldb) {
 242                 r->out.error_string = NULL;
 243                 talloc_free(tmp_ctx);
 244                 return NT_STATUS_UNSUCCESSFUL;
 245         }
 246
 247         /* search for the user's record */
 248         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 249                              NULL, attrs, &res);
 250         if (ret != LDB_SUCCESS || res->count != 1) {
 251                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s",
 252                                                       account_dn_str, ldb_errstring(remote_ldb));
 253                 talloc_free(tmp_ctx);
 254                 return NT_STATUS_UNSUCCESSFUL;
 255         }
 256
 257         /* If we have a kvno recorded in AD, we need it locally as well */
 258         kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 259
 260         /* Prepare a new message, for the modify */
 261         msg = ldb_msg_new(tmp_ctx);
 262         if (!msg) {
 263                 r->out.error_string = NULL;
 264                 talloc_free(tmp_ctx);
 265                 return NT_STATUS_NO_MEMORY;
 266         }
 267         msg->dn = res->msgs[0]->dn;
 268
 269         {
 270                 int i;
 271                 const char *service_principal_name[6];
 272                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 273                                                             talloc_asprintf(tmp_ctx,
 274                                                                             "%s.%s",
 275                                                                             r->in.netbios_name,
 276                                                                             realm));
 277
 278                 if (!dns_host_name) {
 279                         r->out.error_string = NULL;
 280                         talloc_free(tmp_ctx);
 281                         return NT_STATUS_NO_MEMORY;
 282                 }
 283
 284                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 285                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 286                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 287                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 288                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 289                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 290
 291                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 292                         if (!service_principal_name[i]) {
 293                                 r->out.error_string = NULL;
 294                                 talloc_free(tmp_ctx);
 295                                 return NT_STATUS_NO_MEMORY;
 296                         }
 297                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 298                         if (rtn == -1) {
 299                                 r->out.error_string = NULL;
 300                                 talloc_free(tmp_ctx);
 301                                 return NT_STATUS_NO_MEMORY;
 302                         }
 303                 }
 304
 305                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 306                 if (rtn == -1) {
 307                         r->out.error_string = NULL;
 308                         talloc_free(tmp_ctx);
 309                         return NT_STATUS_NO_MEMORY;
 310                 }
 311
 312                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 313                 if (rtn != 0) {
 314                         r->out.error_string
 315                                 = talloc_asprintf(r,
 316                                                   "Failed to replace entries on %s",
 317                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 318                         talloc_free(tmp_ctx);
 319                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 320                 }
 321         }
 322
 323         /* DsCrackNames to find out the DN of the domain. */
 324         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 325         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 326         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 327         if (!names[0].str) {
 328                 r->out.error_string = NULL;
 329                 talloc_free(tmp_ctx);
 330                 return NT_STATUS_NO_MEMORY;
 331         }
 332
 333         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 334         if (!NT_STATUS_IS_OK(status)) {
 335                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 336                         r->out.error_string
 337                                 = talloc_asprintf(r,
 338                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 339                                                   r->in.domain_name,
 340                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 341                         talloc_free(tmp_ctx);
 342                         return status;
 343                 } else {
 344                         r->out.error_string
 345                                 = talloc_asprintf(r,
 346                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 347                                                   r->in.domain_name,
 348                                                   nt_errstr(status));
 349                         talloc_free(tmp_ctx);
 350                         return status;
 351                 }
 352         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 353                 r->out.error_string
 354                         = talloc_asprintf(r,
 355                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 356                 talloc_free(tmp_ctx);
 357                 return NT_STATUS_UNSUCCESSFUL;
 358         } else if (r_crack_names.out.level != 1
 359                    || !r_crack_names.out.ctr.ctr1
 360                    || r_crack_names.out.ctr.ctr1->count != 1
 361                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 362                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 363                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 364                 talloc_free(tmp_ctx);
 365                 return NT_STATUS_UNSUCCESSFUL;
 366         }
 367
 368         /* Store the account DN. */
 369         r->out.account_dn_str = account_dn_str;
 370         talloc_steal(r, account_dn_str);
 371
 372         /* Store the domain DN. */
 373         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 374         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 375
 376         r->out.kvno = kvno;
 377
 378         if (r->in.acct_type == ACB_SVRTRUST) {
 379                 status = libnet_JoinSite(remote_ldb, r);
 380         }
 381         talloc_free(tmp_ctx);
 382
 383         return status;
 384 }
 385
 386 /*
 387  * do a domain join using DCERPC/SAMR calls
 388  * - connect to the LSA pipe, to try and find out information about the domain
 389  * - create a secondary connection to SAMR pipe
 390  * - do a samr_Connect to get a policy handle
 391  * - do a samr_LookupDomain to get the domain sid
 392  * - do a samr_OpenDomain to get a domain handle
 393  * - do a samr_CreateAccount to try and get a new account
 394  *
 395  * If that fails, do:
 396  * - do a samr_LookupNames to get the users rid
 397  * - do a samr_OpenUser to get a user handle
 398  * - potentially delete and recreate the user
 399  * - assert the account is of the right type with samrQueryUserInfo
 400  *
 401  * - call libnet_SetPassword_samr_handle to set the password
 402  *
 403  * - do a samrSetUserInfo to set the account flags
 404  * - do some ADS specific things when we join as Domain Controller,
 405  *    look at libnet_joinADSDomain() for the details
 406  */
 407 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 408 {
 409         TALLOC_CTX *tmp_ctx;
 410
 411         NTSTATUS status, cu_status;
 412
 413         struct libnet_RpcConnect *connect_with_info;
 414         struct dcerpc_pipe *samr_pipe;
 415
 416         struct samr_Connect sc;
 417         struct policy_handle p_handle;
 418         struct samr_OpenDomain od;
 419         struct policy_handle d_handle;
 420         struct samr_LookupNames ln;
 421         struct samr_OpenUser ou;
 422         struct samr_CreateUser2 cu;
 423         struct policy_handle *u_handle = NULL;
 424         struct samr_QueryUserInfo qui;
 425         struct samr_SetUserInfo sui;
 426         union samr_UserInfo u_info;
 427         union libnet_SetPassword r2;
 428         struct samr_GetUserPwInfo pwp;
 429         struct lsa_String samr_account_name;
 430
 431         uint32_t acct_flags, old_acct_flags;
 432         uint32_t rid, access_granted;
 433         int policy_min_pw_len = 0;
 434
 435         struct dom_sid *account_sid = NULL;
 436         const char *password_str = NULL;
 437
 438         r->out.error_string = NULL;
 439         r2.samr_handle.out.error_string = NULL;
 440
 441         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 442         if (!tmp_ctx) {
 443                 r->out.error_string = NULL;
 444                 return NT_STATUS_NO_MEMORY;
 445         }
 446
 447         u_handle = talloc(tmp_ctx, struct policy_handle);
 448         if (!u_handle) {
 449                 r->out.error_string = NULL;
 450                 talloc_free(tmp_ctx);
 451                 return NT_STATUS_NO_MEMORY;
 452         }
 453
 454         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 455         if (!connect_with_info) {
 456                 r->out.error_string = NULL;
 457                 talloc_free(tmp_ctx);
 458                 return NT_STATUS_NO_MEMORY;
 459         }
 460
 461         /* prepare connect to the LSA pipe of PDC */
 462         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 463                 connect_with_info->in.binding = NULL;
 464                 connect_with_info->in.name    = r->in.domain_name;
 465         } else {
 466                 connect_with_info->in.binding = r->in.binding;
 467                 connect_with_info->in.name    = NULL;
 468         }
 469
 470         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 471         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 472
 473         /*
 474           establish a SAMR connection, on the same CIFS transport
 475         */
 476         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 477         if (!NT_STATUS_IS_OK(status)) {
 478                 if (r->in.binding) {
 479                         r->out.error_string = talloc_asprintf(mem_ctx,
 480                                                               "Connection to SAMR pipe of DC %s failed: %s",
 481                                                               r->in.binding, connect_with_info->out.error_string);
 482                 } else {
 483                         r->out.error_string = talloc_asprintf(mem_ctx,
 484                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 485                                                               r->in.domain_name, connect_with_info->out.error_string);
 486                 }
 487                 talloc_free(tmp_ctx);
 488                 return status;
 489         }
 490
 491         samr_pipe = connect_with_info->out.dcerpc_pipe;
 492
 493         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 494                                   connect_with_info->out.dcerpc_pipe->binding,
 495                                   &dcerpc_table_samr, ctx->cred);
 496         if (!NT_STATUS_IS_OK(status)) {
 497                 r->out.error_string = talloc_asprintf(mem_ctx,
 498                                                 "SAMR bind failed: %s",
 499                                                 nt_errstr(status));
 500                 talloc_free(tmp_ctx);
 501                 return status;
 502         }
 503
 504         /* prepare samr_Connect */
 505         ZERO_STRUCT(p_handle);
 506         sc.in.system_name = NULL;
 507         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 508         sc.out.connect_handle = &p_handle;
 509
 510         /* 2. do a samr_Connect to get a policy handle */
 511         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 512         if (!NT_STATUS_IS_OK(status)) {
 513                 r->out.error_string = talloc_asprintf(mem_ctx,
 514                                                 "samr_Connect failed: %s",
 515                                                 nt_errstr(status));
 516                 talloc_free(tmp_ctx);
 517                 return status;
 518         }
 519
 520         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 521         if (!connect_with_info->out.domain_name) {
 522                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 523                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 524                 } else {
 525                         /* Bugger, we just lost our way to automaticly find the domain name */
 526                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 527                 }
 528         }
 529
 530         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 531         if (!connect_with_info->out.domain_sid) {
 532                 struct lsa_String name;
 533                 struct samr_LookupDomain l;
 534                 name.string = connect_with_info->out.domain_name;
 535                 l.in.connect_handle = &p_handle;
 536                 l.in.domain_name = &name;
 537
 538                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 539                 if (!NT_STATUS_IS_OK(status)) {
 540                         r->out.error_string = talloc_asprintf(mem_ctx,
 541                                                               "SAMR LookupDomain failed: %s",
 542                                                               nt_errstr(status));
 543                         talloc_free(tmp_ctx);
 544                         return status;
 545                 }
 546                 connect_with_info->out.domain_sid = l.out.sid;
 547         }
 548
 549         /* prepare samr_OpenDomain */
 550         ZERO_STRUCT(d_handle);
 551         od.in.connect_handle = &p_handle;
 552         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 553         od.in.sid = connect_with_info->out.domain_sid;
 554         od.out.domain_handle = &d_handle;
 555
 556         /* do a samr_OpenDomain to get a domain handle */
 557         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 558         if (!NT_STATUS_IS_OK(status)) {
 559                 r->out.error_string = talloc_asprintf(mem_ctx,
 560                                                       "samr_OpenDomain for [%s] failed: %s",
 561                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 562                                                       nt_errstr(status));
 563                 talloc_free(tmp_ctx);
 564                 return status;
 565         }
 566
 567         /* prepare samr_CreateUser2 */
 568         ZERO_STRUCTP(u_handle);
 569         cu.in.domain_handle  = &d_handle;
 570         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 571         samr_account_name.string = r->in.account_name;
 572         cu.in.account_name    = &samr_account_name;
 573         cu.in.acct_flags      = r->in.acct_type;
 574         cu.out.user_handle    = u_handle;
 575         cu.out.rid            = &rid;
 576         cu.out.access_granted = &access_granted;
 577
 578         /* do a samr_CreateUser2 to get an account handle, or an error */
 579         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 580         status = cu_status;
 581         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 582                 /* prepare samr_LookupNames */
 583                 ln.in.domain_handle = &d_handle;
 584                 ln.in.num_names = 1;
 585                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 586                 if (!ln.in.names) {
 587                         r->out.error_string = NULL;
 588                         talloc_free(tmp_ctx);
 589                         return NT_STATUS_NO_MEMORY;
 590                 }
 591                 ln.in.names[0].string = r->in.account_name;
 592
 593                 /* 5. do a samr_LookupNames to get the users rid */
 594                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 595                 if (!NT_STATUS_IS_OK(status)) {
 596                         r->out.error_string = talloc_asprintf(mem_ctx,
 597                                                 "samr_LookupNames for [%s] failed: %s",
 598                                                 r->in.account_name,
 599                                                 nt_errstr(status));
 600                         talloc_free(tmp_ctx);
 601                         return status;
 602                 }
 603
 604                 /* check if we got one RID for the user */
 605                 if (ln.out.rids.count != 1) {
 606                         r->out.error_string = talloc_asprintf(mem_ctx,
 607                                                               "samr_LookupNames for [%s] returns %d RIDs",
 608                                                               r->in.account_name, ln.out.rids.count);
 609                         talloc_free(tmp_ctx);
 610                         return NT_STATUS_INVALID_PARAMETER;
 611                 }
 612
 613                 /* prepare samr_OpenUser */
 614                 ZERO_STRUCTP(u_handle);
 615                 ou.in.domain_handle = &d_handle;
 616                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 617                 ou.in.rid = ln.out.rids.ids[0];
 618                 rid = ou.in.rid;
 619                 ou.out.user_handle = u_handle;
 620
 621                 /* 6. do a samr_OpenUser to get a user handle */
 622                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 623                 if (!NT_STATUS_IS_OK(status)) {
 624                         r->out.error_string = talloc_asprintf(mem_ctx,
 625                                                         "samr_OpenUser for [%s] failed: %s",
 626                                                         r->in.account_name,
 627                                                         nt_errstr(status));
 628                         talloc_free(tmp_ctx);
 629                         return status;
 630                 }
 631
 632                 if (r->in.recreate_account) {
 633                         struct samr_DeleteUser d;
 634                         d.in.user_handle = u_handle;
 635                         d.out.user_handle = u_handle;
 636                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 637                         if (!NT_STATUS_IS_OK(status)) {
 638                                 r->out.error_string = talloc_asprintf(mem_ctx,
 639                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 640                                                                       r->in.account_name,
 641                                                                       nt_errstr(status));
 642                                 talloc_free(tmp_ctx);
 643                                 return status;
 644                         }
 645
 646                         /* We want to recreate, so delete and another samr_CreateUser2 */
 647
 648                         /* &cu filled in above */
 649                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 650                         if (!NT_STATUS_IS_OK(status)) {
 651                                 r->out.error_string = talloc_asprintf(mem_ctx,
 652                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 653                                                                       r->in.account_name, nt_errstr(status));
 654                                 talloc_free(tmp_ctx);
 655                                 return status;
 656                         }
 657                 }
 658         } else if (!NT_STATUS_IS_OK(status)) {
 659                 r->out.error_string = talloc_asprintf(mem_ctx,
 660                                                       "samr_CreateUser2 for [%s] failed: %s",
 661                                                       r->in.account_name, nt_errstr(status));
 662                 talloc_free(tmp_ctx);
 663                 return status;
 664         }
 665
 666         /* prepare samr_QueryUserInfo (get flags) */
 667         qui.in.user_handle = u_handle;
 668         qui.in.level = 16;
 669
 670         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 671         if (!NT_STATUS_IS_OK(status)) {
 672                 r->out.error_string = talloc_asprintf(mem_ctx,
 673                                                 "samr_QueryUserInfo for [%s] failed: %s",
 674                                                 r->in.account_name,
 675                                                 nt_errstr(status));
 676                 talloc_free(tmp_ctx);
 677                 return status;
 678         }
 679
 680         if (!qui.out.info) {
 681                 status = NT_STATUS_INVALID_PARAMETER;
 682                 r->out.error_string
 683                         = talloc_asprintf(mem_ctx,
 684                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 685                                           r->in.account_name, nt_errstr(status));
 686                 talloc_free(tmp_ctx);
 687                 return status;
 688         }
 689
 690         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 691         /* Possibly bail if the account is of the wrong type */
 692         if (old_acct_flags
 693             != r->in.acct_type) {
 694                 const char *old_account_type, *new_account_type;
 695                 switch (old_acct_flags) {
 696                 case ACB_WSTRUST:
 697                         old_account_type = "domain member (member)";
 698                         break;
 699                 case ACB_SVRTRUST:
 700                         old_account_type = "domain controller (bdc)";
 701                         break;
 702                 case ACB_DOMTRUST:
 703                         old_account_type = "trusted domain";
 704                         break;
 705                 default:
 706                         return NT_STATUS_INVALID_PARAMETER;
 707                 }
 708                 switch (r->in.acct_type) {
 709                 case ACB_WSTRUST:
 710                         new_account_type = "domain member (member)";
 711                         break;
 712                 case ACB_SVRTRUST:
 713                         new_account_type = "domain controller (bdc)";
 714                         break;
 715                 case ACB_DOMTRUST:
 716                         new_account_type = "trusted domain";
 717                         break;
 718                 default:
 719                         return NT_STATUS_INVALID_PARAMETER;
 720                 }
 721
 722                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 723                         /* We created a new user, but they didn't come out the right type?!? */
 724                         r->out.error_string
 725                                 = talloc_asprintf(mem_ctx,
 726                                                   "We asked to create a new machine account (%s) of type %s, "
 727                                                   "but we got an account of type %s.  This is unexpected.  "
 728                                                   "Perhaps delete the account and try again.",
 729                                                   r->in.account_name, new_account_type, old_account_type);
 730                         talloc_free(tmp_ctx);
 731                         return NT_STATUS_INVALID_PARAMETER;
 732                 } else {
 733                         /* The account is of the wrong type, so bail */
 734
 735                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 736                         r->out.error_string
 737                                 = talloc_asprintf(mem_ctx,
 738                                                   "The machine account (%s) already exists in the domain %s, "
 739                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 740                                                   "the account and try again.",
 741                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 742                         talloc_free(tmp_ctx);
 743                         return NT_STATUS_USER_EXISTS;
 744                 }
 745         } else {
 746                 acct_flags = qui.out.info->info16.acct_flags;
 747         }
 748
 749         acct_flags = (acct_flags & ~ACB_DISABLED);
 750
 751         /* Find out what password policy this user has */
 752         pwp.in.user_handle = u_handle;
 753
 754         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 755         if (NT_STATUS_IS_OK(status)) {
 756                 policy_min_pw_len = pwp.out.info.min_password_length;
 757         }
 758
 759         /* Grab a password of that minimum length */
 760
 761         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 762
 763         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 764         r2.samr_handle.in.account_name  = r->in.account_name;
 765         r2.samr_handle.in.newpassword   = password_str;
 766         r2.samr_handle.in.user_handle   = u_handle;
 767         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 768
 769         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 770         if (!NT_STATUS_IS_OK(status)) {
 771                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 772                 talloc_free(tmp_ctx);
 773                 return status;
 774         }
 775
 776         /* reset flags (if required) */
 777         if (acct_flags != qui.out.info->info16.acct_flags) {
 778                 ZERO_STRUCT(u_info);
 779                 u_info.info16.acct_flags = acct_flags;
 780
 781                 sui.in.user_handle = u_handle;
 782                 sui.in.info = &u_info;
 783                 sui.in.level = 16;
 784
 785                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 786                 if (!NT_STATUS_IS_OK(status)) {
 787                         r->out.error_string = talloc_asprintf(mem_ctx,
 788                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 789                                                         r->in.account_name,
 790                                                         nt_errstr(status));
 791                         talloc_free(tmp_ctx);
 792                         return status;
 793                 }
 794         }
 795
 796         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 797         if (!account_sid) {
 798                 r->out.error_string = NULL;
 799                 talloc_free(tmp_ctx);
 800                 return NT_STATUS_NO_MEMORY;
 801         }
 802
 803         /* Finish out by pushing various bits of status data out for the caller to use */
 804         r->out.join_password = password_str;
 805         talloc_steal(mem_ctx, r->out.join_password);
 806
 807         r->out.domain_sid = connect_with_info->out.domain_sid;
 808         talloc_steal(mem_ctx, r->out.domain_sid);
 809
 810         r->out.account_sid = account_sid;
 811         talloc_steal(mem_ctx, r->out.account_sid);
 812
 813         r->out.domain_name = connect_with_info->out.domain_name;
 814         talloc_steal(mem_ctx, r->out.domain_name);
 815         r->out.realm = connect_with_info->out.realm;
 816         talloc_steal(mem_ctx, r->out.realm);
 817         r->out.samr_pipe = samr_pipe;
 818         talloc_steal(mem_ctx, samr_pipe);
 819         r->out.samr_binding = samr_pipe->binding;
 820         talloc_steal(mem_ctx, r->out.samr_binding);
 821         r->out.user_handle = u_handle;
 822         talloc_steal(mem_ctx, u_handle);
 823         r->out.error_string = r2.samr_handle.out.error_string;
 824         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 825         r->out.kvno = 0;
 826         r->out.server_dn_str = NULL;
 827         talloc_free(tmp_ctx);
 828
 829         /* Now, if it was AD, then we want to start looking changing a
 830          * few more things.  Otherwise, we are done. */
 831         if (r->out.realm) {
 832                 status = libnet_JoinADSDomain(ctx, r);
 833                 return status;
 834         }
 835
 836         return status;
 837 }
 838
 839 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 840                                            TALLOC_CTX *mem_ctx,
 841                                            struct libnet_Join *r)
 842 {
 843         NTSTATUS status;
 844         TALLOC_CTX *tmp_mem;
 845         struct libnet_JoinDomain *r2;
 846         int ret, rtn;
 847         struct ldb_context *ldb;
 848         const struct ldb_dn *base_dn;
 849         struct ldb_message **msgs, *msg;
 850         const char *sct;
 851         const char * const attrs[] = {
 852                 "whenChanged",
 853                 "secret",
 854                 "priorSecret",
 855                 "priorChanged",
 856                 "krb5Keytab",
 857                 "privateKeytab",
 858                 NULL
 859         };
 860         uint32_t acct_type = 0;
 861         const char *account_name;
 862         const char *netbios_name;
 863         char *filter;
 864
 865         r->out.error_string = NULL;
 866
 867         tmp_mem = talloc_new(mem_ctx);
 868         if (!tmp_mem) {
 869                 return NT_STATUS_NO_MEMORY;
 870         }
 871
 872         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 873         if (!r2) {
 874                 r->out.error_string = NULL;
 875                 talloc_free(tmp_mem);
 876                 return NT_STATUS_NO_MEMORY;
 877         }
 878
 879         if (r->in.join_type == SEC_CHAN_BDC) {
 880                 acct_type = ACB_SVRTRUST;
 881         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 882                 acct_type = ACB_WSTRUST;
 883         } else {
 884                 r->out.error_string = NULL;
 885                 talloc_free(tmp_mem);
 886                 return NT_STATUS_INVALID_PARAMETER;
 887         }
 888
 889         if (r->in.netbios_name != NULL) {
 890                 netbios_name = r->in.netbios_name;
 891         } else {
 892                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 893                 if (!netbios_name) {
 894                         r->out.error_string = NULL;
 895                         talloc_free(tmp_mem);
 896                         return NT_STATUS_NO_MEMORY;
 897                 }
 898         }
 899
 900         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 901         if (!account_name) {
 902                 r->out.error_string = NULL;
 903                 talloc_free(tmp_mem);
 904                 return NT_STATUS_NO_MEMORY;
 905         }
 906
 907         /*
 908          * Local secrets are stored in secrets.ldb
 909          * open it to make sure we can write the info into it after the join
 910          */
 911         ldb = secrets_db_connect(tmp_mem);
 912         if (!ldb) {
 913                 r->out.error_string
 914                         = talloc_asprintf(mem_ctx,
 915                                           "Could not open secrets database");
 916                 talloc_free(tmp_mem);
 917                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 918         }
 919
 920         /*
 921          * join the domain
 922          */
 923         ZERO_STRUCTP(r2);
 924         r2->in.domain_name      = r->in.domain_name;
 925         r2->in.account_name     = account_name;
 926         r2->in.netbios_name     = netbios_name;
 927         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 928         r2->in.acct_type        = acct_type;
 929         r2->in.recreate_account = False;
 930         status = libnet_JoinDomain(ctx, r2, r2);
 931         if (!NT_STATUS_IS_OK(status)) {
 932                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 933                 talloc_free(tmp_mem);
 934                 return status;
 935         }
 936
 937         /*
 938          * now prepare the record for secrets.ldb
 939          */
 940         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 941         if (!sct) {
 942                 r->out.error_string = NULL;
 943                 talloc_free(tmp_mem);
 944                 return NT_STATUS_NO_MEMORY;
 945         }
 946
 947         msg = ldb_msg_new(tmp_mem);
 948         if (!msg) {
 949                 r->out.error_string = NULL;
 950                 talloc_free(tmp_mem);
 951                 return NT_STATUS_NO_MEMORY;
 952         }
 953
 954         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 955         if (!base_dn) {
 956                 r->out.error_string = NULL;
 957                 talloc_free(tmp_mem);
 958                 return NT_STATUS_NO_MEMORY;
 959         }
 960
 961         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 962         if (!msg->dn) {
 963                 r->out.error_string = NULL;
 964                 talloc_free(tmp_mem);
 965                 return NT_STATUS_NO_MEMORY;
 966         }
 967
 968         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 969         if (rtn == -1) {
 970                 r->out.error_string = NULL;
 971                 talloc_free(tmp_mem);
 972                 return NT_STATUS_NO_MEMORY;
 973         }
 974
 975         if (r2->out.realm) {
 976                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 977                 if (rtn == -1) {
 978                         r->out.error_string = NULL;
 979                         talloc_free(tmp_mem);
 980                         return NT_STATUS_NO_MEMORY;
 981                 }
 982
 983                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 984                 if (rtn == -1) {
 985                         r->out.error_string = NULL;
 986                         talloc_free(tmp_mem);
 987                         return NT_STATUS_NO_MEMORY;
 988                 }
 989         }
 990
 991         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 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, "secret", r2->out.join_password);
 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, "samAccountName", r2->in.account_name);
1006         if (rtn == -1) {
1007                 r->out.error_string = NULL;
1008                 talloc_free(tmp_mem);
1009                 return NT_STATUS_NO_MEMORY;
1010         }
1011
1012         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1013         if (rtn == -1) {
1014                 r->out.error_string = NULL;
1015                 talloc_free(tmp_mem);
1016                 return NT_STATUS_NO_MEMORY;
1017         }
1018
1019         if (r2->out.kvno) {
1020                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1021                                          r2->out.kvno);
1022                 if (rtn == -1) {
1023                         r->out.error_string = NULL;
1024                         talloc_free(tmp_mem);
1025                         return NT_STATUS_NO_MEMORY;
1026                 }
1027         }
1028
1029         if (r2->out.domain_sid) {
1030                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1031                                             r2->out.domain_sid);
1032                 if (rtn == -1) {
1033                         r->out.error_string = NULL;
1034                         talloc_free(tmp_mem);
1035                         return NT_STATUS_NO_MEMORY;
1036                 }
1037         }
1038
1039         /*
1040          * search for the secret record
1041          * - remove the records we find
1042          * - and fetch the old secret and store it under priorSecret
1043          */
1044         ret = gendb_search(ldb,
1045                            tmp_mem, base_dn,
1046                            &msgs, attrs,
1047                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1048                            r2->out.domain_name, r2->out.realm);
1049         if (ret == 0) {
1050                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1051                 if (rtn == -1) {
1052                         r->out.error_string = NULL;
1053                         talloc_free(tmp_mem);
1054                         return NT_STATUS_NO_MEMORY;
1055                 }
1056         } else if (ret == -1) {
1057                 r->out.error_string
1058                         = talloc_asprintf(mem_ctx,
1059                                           "Search for domain: %s and realm: %s failed: %s",
1060                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1061                 talloc_free(tmp_mem);
1062                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1063         } else {
1064                 const struct ldb_val *private_keytab;
1065                 const struct ldb_val *krb5_keytab;
1066                 const struct ldb_val *prior_secret;
1067                 const struct ldb_val *prior_modified_time;
1068                 int i;
1069
1070                 for (i = 0; i < ret; i++) {
1071                         ldb_delete(ldb, msgs[i]->dn);
1072                 }
1073
1074                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1075                 if (prior_secret) {
1076                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1077                         if (rtn == -1) {
1078                                 r->out.error_string = NULL;
1079                                 talloc_free(tmp_mem);
1080                                 return NT_STATUS_NO_MEMORY;
1081                         }
1082                 }
1083                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1084                 if (rtn == -1) {
1085                         r->out.error_string = NULL;
1086                         talloc_free(tmp_mem);
1087                         return NT_STATUS_NO_MEMORY;
1088                 }
1089
1090                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1091                                                            "whenChanged");
1092                 if (prior_modified_time) {
1093                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1094                                                   prior_modified_time);
1095                         if (rtn == -1) {
1096                                 r->out.error_string = NULL;
1097                                 talloc_free(tmp_mem);
1098                                 return NT_STATUS_NO_MEMORY;
1099                         }
1100                 }
1101
1102                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1103                 if (rtn == -1) {
1104                         r->out.error_string = NULL;
1105                         talloc_free(tmp_mem);
1106                         return NT_STATUS_NO_MEMORY;
1107                 }
1108
1109                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1110                 if (rtn == -1) {
1111                         r->out.error_string = NULL;
1112                         talloc_free(tmp_mem);
1113                         return NT_STATUS_NO_MEMORY;
1114                 }
1115
1116                 /* We will want to keep the keytab names */
1117                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1118                 if (private_keytab) {
1119                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1120                         if (rtn == -1) {
1121                                 r->out.error_string = NULL;
1122                                 talloc_free(tmp_mem);
1123                                 return NT_STATUS_NO_MEMORY;
1124                         }
1125                 }
1126                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1127                 if (krb5_keytab) {
1128                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1129                         if (rtn == -1) {
1130                                 r->out.error_string = NULL;
1131                                 talloc_free(tmp_mem);
1132                                 return NT_STATUS_NO_MEMORY;
1133                         }
1134                 }
1135         }
1136
1137         /* create the secret */
1138         ret = samdb_add(ldb, tmp_mem, msg);
1139         if (ret != 0) {
1140                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1141                                                       ldb_dn_linearize(ldb, msg->dn));
1142                 talloc_free(tmp_mem);
1143                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1144         }
1145
1146         if (r2->out.realm) {
1147                 struct cli_credentials *creds;
1148                 /* Make a credentials structure from it */
1149                 creds = cli_credentials_init(mem_ctx);
1150                 if (!creds) {
1151                         r->out.error_string = NULL;
1152                         talloc_free(tmp_mem);
1153                         return NT_STATUS_NO_MEMORY;
1154                 }
1155                 cli_credentials_set_conf(creds);
1156                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1157                 status = cli_credentials_set_secrets(creds, NULL, filter);
1158                 if (!NT_STATUS_IS_OK(status)) {
1159                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s",
1160                                                               filter);
1161                         talloc_free(tmp_mem);
1162                         return status;
1163                 }
1164                 ret = cli_credentials_update_keytab(creds);
1165                 if (ret != 0) {
1166                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s",
1167                                                               filter);
1168                         talloc_free(tmp_mem);
1169                         return NT_STATUS_UNSUCCESSFUL;
1170                 }
1171         }
1172
1173         /* move all out parameter to the callers TALLOC_CTX */
1174         r->out.error_string     = NULL;
1175         r->out.join_password    = r2->out.join_password;
1176         talloc_steal(mem_ctx, r2->out.join_password);
1177         r->out.domain_sid       = r2->out.domain_sid;
1178         talloc_steal(mem_ctx, r2->out.domain_sid);
1179         r->out.domain_name      = r2->out.domain_name;
1180         talloc_steal(mem_ctx, r2->out.domain_name);
1181         talloc_free(tmp_mem);
1182         return NT_STATUS_OK;
1183 }
1184
1185 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1186 {
1187         switch (r->in.join_type) {
1188                 case SEC_CHAN_WKSTA:
1189                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1190                 case SEC_CHAN_BDC:
1191                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1192                 case SEC_CHAN_DOMAIN:
1193                         break;
1194         }
1195
1196         r->out.error_string = talloc_asprintf(mem_ctx,
1197                                               "Invalid join type specified (%08X) attempting to join domain %s",
1198                                               r->in.join_type, r->in.domain_name);
1199         return NT_STATUS_INVALID_PARAMETER;
1200 }