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 3 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libnet/libnet.h"
  24 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
  25 #include "lib/ldb/include/ldb.h"
  26 #include "lib/ldb/include/ldb_errors.h"
  27 #include "param/secrets.h"
  28 #include "dsdb/samdb/samdb.h"
  29 #include "db_wrap.h"
  30 #include "libcli/security/security.h"
  31 #include "auth/credentials/credentials.h"
  32 #include "auth/credentials/credentials_krb5.h"
  33 #include "librpc/gen_ndr/ndr_samr_c.h"
  34 #include "param/param.h"
  35
  36 /*
  37  * complete a domain join, when joining to a AD domain:
  38  * 1.) connect and bind to the DRSUAPI pipe
  39  * 2.) do a DsCrackNames() to find the machine account dn
  40  * 3.) connect to LDAP
  41  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  42  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  43  * 6.) do a DsCrackNames() to find the domain dn
  44  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  45  */
  46 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  47 {
  48         NTSTATUS status;
  49
  50         TALLOC_CTX *tmp_ctx;
  51
  52         const char *realm = r->out.realm;
  53
  54         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  55
  56         struct dcerpc_pipe *drsuapi_pipe;
  57         struct dcerpc_binding *drsuapi_binding;
  58         struct drsuapi_DsBind r_drsuapi_bind;
  59         struct drsuapi_DsCrackNames r_crack_names;
  60         struct drsuapi_DsNameString names[1];
  61         struct policy_handle drsuapi_bind_handle;
  62         struct GUID drsuapi_bind_guid;
  63
  64         struct ldb_context *remote_ldb;
  65         struct ldb_dn *account_dn;
  66         const char *account_dn_str;
  67         const char *remote_ldb_url;
  68         struct ldb_result *res;
  69         struct ldb_message *msg;
  70
  71         int ret, rtn;
  72
  73         const char * const attrs[] = {
  74                 "msDS-KeyVersionNumber",
  75                 "servicePrincipalName",
  76                 "dNSHostName",
  77                 "objectGUID",
  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                                        &ndr_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->out.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.codepage      = 1252; /* western european */
 164         r_crack_names.in.req.req1.language      = 0x00000407; /* german */
 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         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 222
 223         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 224                                          drsuapi_binding->target_hostname);
 225         if (!remote_ldb_url) {
 226                 r->out.error_string = NULL;
 227                 talloc_free(tmp_ctx);
 228                 return NT_STATUS_NO_MEMORY;
 229         }
 230
 231         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 232                                       NULL, ctx->cred, 0, NULL);
 233         if (!remote_ldb) {
 234                 r->out.error_string = NULL;
 235                 talloc_free(tmp_ctx);
 236                 return NT_STATUS_UNSUCCESSFUL;
 237         }
 238
 239         account_dn = ldb_dn_new(tmp_ctx, remote_ldb, account_dn_str);
 240         if (! ldb_dn_validate(account_dn)) {
 241                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 242                                                       account_dn_str);
 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) {
 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         talloc_steal(tmp_ctx, res);
 258
 259         if (res->count != 1) {
 260                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - found %d entries",
 261                                                       account_dn_str, res->count);
 262                 talloc_free(tmp_ctx);
 263                 return NT_STATUS_UNSUCCESSFUL;
 264         }
 265
 266         /* Prepare a new message, for the modify */
 267         msg = ldb_msg_new(tmp_ctx);
 268         if (!msg) {
 269                 r->out.error_string = NULL;
 270                 talloc_free(tmp_ctx);
 271                 return NT_STATUS_NO_MEMORY;
 272         }
 273         msg->dn = res->msgs[0]->dn;
 274
 275         {
 276                 int i;
 277                 const char *service_principal_name[6];
 278                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 279                                                             talloc_asprintf(tmp_ctx,
 280                                                                             "%s.%s",
 281                                                                             r->in.netbios_name,
 282                                                                             realm));
 283
 284                 if (!dns_host_name) {
 285                         r->out.error_string = NULL;
 286                         talloc_free(tmp_ctx);
 287                         return NT_STATUS_NO_MEMORY;
 288                 }
 289
 290                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 291                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 292                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 293                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 294                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 295                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 296
 297                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 298                         if (!service_principal_name[i]) {
 299                                 r->out.error_string = NULL;
 300                                 talloc_free(tmp_ctx);
 301                                 return NT_STATUS_NO_MEMORY;
 302                         }
 303                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 304                         if (rtn == -1) {
 305                                 r->out.error_string = NULL;
 306                                 talloc_free(tmp_ctx);
 307                                 return NT_STATUS_NO_MEMORY;
 308                         }
 309                 }
 310
 311                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 312                 if (rtn == -1) {
 313                         r->out.error_string = NULL;
 314                         talloc_free(tmp_ctx);
 315                         return NT_STATUS_NO_MEMORY;
 316                 }
 317
 318                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 319                 if (rtn != 0) {
 320                         r->out.error_string
 321                                 = talloc_asprintf(r,
 322                                                   "Failed to replace entries on %s",
 323                                                   ldb_dn_get_linearized(msg->dn));
 324                         talloc_free(tmp_ctx);
 325                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 326                 }
 327         }
 328
 329         /* DsCrackNames to find out the DN of the domain. */
 330         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 331         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 332         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 333         if (!names[0].str) {
 334                 r->out.error_string = NULL;
 335                 talloc_free(tmp_ctx);
 336                 return NT_STATUS_NO_MEMORY;
 337         }
 338
 339         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 340         if (!NT_STATUS_IS_OK(status)) {
 341                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 342                         r->out.error_string
 343                                 = talloc_asprintf(r,
 344                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 345                                                   r->in.domain_name,
 346                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 347                         talloc_free(tmp_ctx);
 348                         return status;
 349                 } else {
 350                         r->out.error_string
 351                                 = talloc_asprintf(r,
 352                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 353                                                   r->in.domain_name,
 354                                                   nt_errstr(status));
 355                         talloc_free(tmp_ctx);
 356                         return status;
 357                 }
 358         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 359                 r->out.error_string
 360                         = talloc_asprintf(r,
 361                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 362                 talloc_free(tmp_ctx);
 363                 return NT_STATUS_UNSUCCESSFUL;
 364         } else if (r_crack_names.out.level != 1
 365                    || !r_crack_names.out.ctr.ctr1
 366                    || r_crack_names.out.ctr.ctr1->count != 1
 367                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 368                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 369                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 370                 talloc_free(tmp_ctx);
 371                 return NT_STATUS_UNSUCCESSFUL;
 372         }
 373
 374         /* Store the account DN. */
 375         r->out.account_dn_str = account_dn_str;
 376         talloc_steal(r, account_dn_str);
 377
 378         /* Store the domain DN. */
 379         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 380         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 381
 382         /* Store the KVNO of the account, critical for some kerberos
 383          * operations */
 384         r->out.kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 385
 386         /* Store the account GUID. */
 387         r->out.account_guid = samdb_result_guid(res->msgs[0], "objectGUID");
 388
 389         if (r->in.acct_type == ACB_SVRTRUST) {
 390                 status = libnet_JoinSite(remote_ldb, r);
 391         }
 392         talloc_free(tmp_ctx);
 393
 394         return status;
 395 }
 396
 397 /*
 398  * do a domain join using DCERPC/SAMR calls
 399  * - connect to the LSA pipe, to try and find out information about the domain
 400  * - create a secondary connection to SAMR pipe
 401  * - do a samr_Connect to get a policy handle
 402  * - do a samr_LookupDomain to get the domain sid
 403  * - do a samr_OpenDomain to get a domain handle
 404  * - do a samr_CreateAccount to try and get a new account
 405  *
 406  * If that fails, do:
 407  * - do a samr_LookupNames to get the users rid
 408  * - do a samr_OpenUser to get a user handle
 409  * - potentially delete and recreate the user
 410  * - assert the account is of the right type with samrQueryUserInfo
 411  *
 412  * - call libnet_SetPassword_samr_handle to set the password,
 413  *   and pass a samr_UserInfo21 struct to set full_name and the account flags
 414  *
 415  * - do some ADS specific things when we join as Domain Controller,
 416  *    look at libnet_joinADSDomain() for the details
 417  */
 418 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 419 {
 420         TALLOC_CTX *tmp_ctx;
 421
 422         NTSTATUS status, cu_status;
 423
 424         struct libnet_RpcConnect *connect_with_info;
 425         struct dcerpc_pipe *samr_pipe;
 426
 427         struct samr_Connect sc;
 428         struct policy_handle p_handle;
 429         struct samr_OpenDomain od;
 430         struct policy_handle d_handle;
 431         struct samr_LookupNames ln;
 432         struct samr_OpenUser ou;
 433         struct samr_CreateUser2 cu;
 434         struct policy_handle *u_handle = NULL;
 435         struct samr_QueryUserInfo qui;
 436         struct samr_UserInfo21 u_info21;
 437         union libnet_SetPassword r2;
 438         struct samr_GetUserPwInfo pwp;
 439         struct lsa_String samr_account_name;
 440
 441         uint32_t acct_flags, old_acct_flags;
 442         uint32_t rid, access_granted;
 443         int policy_min_pw_len = 0;
 444
 445         struct dom_sid *account_sid = NULL;
 446         const char *password_str = NULL;
 447
 448         r->out.error_string = NULL;
 449         r2.samr_handle.out.error_string = NULL;
 450
 451         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 452         if (!tmp_ctx) {
 453                 r->out.error_string = NULL;
 454                 return NT_STATUS_NO_MEMORY;
 455         }
 456
 457         u_handle = talloc(tmp_ctx, struct policy_handle);
 458         if (!u_handle) {
 459                 r->out.error_string = NULL;
 460                 talloc_free(tmp_ctx);
 461                 return NT_STATUS_NO_MEMORY;
 462         }
 463
 464         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 465         if (!connect_with_info) {
 466                 r->out.error_string = NULL;
 467                 talloc_free(tmp_ctx);
 468                 return NT_STATUS_NO_MEMORY;
 469         }
 470
 471         /* prepare connect to the SAMR pipe of PDC */
 472         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 473                 connect_with_info->in.binding = NULL;
 474                 connect_with_info->in.name    = r->in.domain_name;
 475         } else {
 476                 connect_with_info->in.binding = r->in.binding;
 477                 connect_with_info->in.name    = NULL;
 478         }
 479
 480         /* This level makes a connection to the LSA pipe on the way,
 481          * to get some useful bits of information about the domain */
 482         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 483         connect_with_info->in.dcerpc_iface    = &ndr_table_samr;
 484
 485         /*
 486           establish the SAMR connection
 487         */
 488         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 489         if (!NT_STATUS_IS_OK(status)) {
 490                 if (r->in.binding) {
 491                         r->out.error_string = talloc_asprintf(mem_ctx,
 492                                                               "Connection to SAMR pipe of DC %s failed: %s",
 493                                                               r->in.binding, connect_with_info->out.error_string);
 494                 } else {
 495                         r->out.error_string = talloc_asprintf(mem_ctx,
 496                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 497                                                               r->in.domain_name, connect_with_info->out.error_string);
 498                 }
 499                 talloc_free(tmp_ctx);
 500                 return status;
 501         }
 502
 503         samr_pipe = connect_with_info->out.dcerpc_pipe;
 504
 505         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 506                                   connect_with_info->out.dcerpc_pipe->binding,
 507                                   &ndr_table_samr, ctx->cred);
 508         if (!NT_STATUS_IS_OK(status)) {
 509                 r->out.error_string = talloc_asprintf(mem_ctx,
 510                                                 "SAMR bind failed: %s",
 511                                                 nt_errstr(status));
 512                 talloc_free(tmp_ctx);
 513                 return status;
 514         }
 515
 516         /* prepare samr_Connect */
 517         ZERO_STRUCT(p_handle);
 518         sc.in.system_name = NULL;
 519         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 520         sc.out.connect_handle = &p_handle;
 521
 522         /* 2. do a samr_Connect to get a policy handle */
 523         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 524         if (!NT_STATUS_IS_OK(status)) {
 525                 r->out.error_string = talloc_asprintf(mem_ctx,
 526                                                 "samr_Connect failed: %s",
 527                                                 nt_errstr(status));
 528                 talloc_free(tmp_ctx);
 529                 return status;
 530         }
 531
 532         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 533         if (!connect_with_info->out.domain_name) {
 534                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 535                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 536                 } else {
 537                         /* Bugger, we just lost our way to automaticly find the domain name */
 538                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 539                         connect_with_info->out.realm = talloc_strdup(tmp_ctx, lp_realm());
 540                 }
 541         }
 542
 543         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 544         if (!connect_with_info->out.domain_sid) {
 545                 struct lsa_String name;
 546                 struct samr_LookupDomain l;
 547                 name.string = connect_with_info->out.domain_name;
 548                 l.in.connect_handle = &p_handle;
 549                 l.in.domain_name = &name;
 550
 551                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 552                 if (!NT_STATUS_IS_OK(status)) {
 553                         r->out.error_string = talloc_asprintf(mem_ctx,
 554                                                               "SAMR LookupDomain failed: %s",
 555                                                               nt_errstr(status));
 556                         talloc_free(tmp_ctx);
 557                         return status;
 558                 }
 559                 connect_with_info->out.domain_sid = l.out.sid;
 560         }
 561
 562         /* prepare samr_OpenDomain */
 563         ZERO_STRUCT(d_handle);
 564         od.in.connect_handle = &p_handle;
 565         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 566         od.in.sid = connect_with_info->out.domain_sid;
 567         od.out.domain_handle = &d_handle;
 568
 569         /* do a samr_OpenDomain to get a domain handle */
 570         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 571         if (!NT_STATUS_IS_OK(status)) {
 572                 r->out.error_string = talloc_asprintf(mem_ctx,
 573                                                       "samr_OpenDomain for [%s] failed: %s",
 574                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 575                                                       nt_errstr(status));
 576                 talloc_free(tmp_ctx);
 577                 return status;
 578         }
 579
 580         /* prepare samr_CreateUser2 */
 581         ZERO_STRUCTP(u_handle);
 582         cu.in.domain_handle  = &d_handle;
 583         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 584         samr_account_name.string = r->in.account_name;
 585         cu.in.account_name    = &samr_account_name;
 586         cu.in.acct_flags      = r->in.acct_type;
 587         cu.out.user_handle    = u_handle;
 588         cu.out.rid            = &rid;
 589         cu.out.access_granted = &access_granted;
 590
 591         /* do a samr_CreateUser2 to get an account handle, or an error */
 592         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 593         status = cu_status;
 594         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 595                 /* prepare samr_LookupNames */
 596                 ln.in.domain_handle = &d_handle;
 597                 ln.in.num_names = 1;
 598                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 599                 if (!ln.in.names) {
 600                         r->out.error_string = NULL;
 601                         talloc_free(tmp_ctx);
 602                         return NT_STATUS_NO_MEMORY;
 603                 }
 604                 ln.in.names[0].string = r->in.account_name;
 605
 606                 /* 5. do a samr_LookupNames to get the users rid */
 607                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 608                 if (!NT_STATUS_IS_OK(status)) {
 609                         r->out.error_string = talloc_asprintf(mem_ctx,
 610                                                 "samr_LookupNames for [%s] failed: %s",
 611                                                 r->in.account_name,
 612                                                 nt_errstr(status));
 613                         talloc_free(tmp_ctx);
 614                         return status;
 615                 }
 616
 617                 /* check if we got one RID for the user */
 618                 if (ln.out.rids.count != 1) {
 619                         r->out.error_string = talloc_asprintf(mem_ctx,
 620                                                               "samr_LookupNames for [%s] returns %d RIDs",
 621                                                               r->in.account_name, ln.out.rids.count);
 622                         talloc_free(tmp_ctx);
 623                         return NT_STATUS_INVALID_PARAMETER;
 624                 }
 625
 626                 /* prepare samr_OpenUser */
 627                 ZERO_STRUCTP(u_handle);
 628                 ou.in.domain_handle = &d_handle;
 629                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 630                 ou.in.rid = ln.out.rids.ids[0];
 631                 rid = ou.in.rid;
 632                 ou.out.user_handle = u_handle;
 633
 634                 /* 6. do a samr_OpenUser to get a user handle */
 635                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 636                 if (!NT_STATUS_IS_OK(status)) {
 637                         r->out.error_string = talloc_asprintf(mem_ctx,
 638                                                         "samr_OpenUser for [%s] failed: %s",
 639                                                         r->in.account_name,
 640                                                         nt_errstr(status));
 641                         talloc_free(tmp_ctx);
 642                         return status;
 643                 }
 644
 645                 if (r->in.recreate_account) {
 646                         struct samr_DeleteUser d;
 647                         d.in.user_handle = u_handle;
 648                         d.out.user_handle = u_handle;
 649                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 650                         if (!NT_STATUS_IS_OK(status)) {
 651                                 r->out.error_string = talloc_asprintf(mem_ctx,
 652                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 653                                                                       r->in.account_name,
 654                                                                       nt_errstr(status));
 655                                 talloc_free(tmp_ctx);
 656                                 return status;
 657                         }
 658
 659                         /* We want to recreate, so delete and another samr_CreateUser2 */
 660
 661                         /* &cu filled in above */
 662                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 663                         if (!NT_STATUS_IS_OK(status)) {
 664                                 r->out.error_string = talloc_asprintf(mem_ctx,
 665                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 666                                                                       r->in.account_name, nt_errstr(status));
 667                                 talloc_free(tmp_ctx);
 668                                 return status;
 669                         }
 670                 }
 671         } else if (!NT_STATUS_IS_OK(status)) {
 672                 r->out.error_string = talloc_asprintf(mem_ctx,
 673                                                       "samr_CreateUser2 for [%s] failed: %s",
 674                                                       r->in.account_name, nt_errstr(status));
 675                 talloc_free(tmp_ctx);
 676                 return status;
 677         }
 678
 679         /* prepare samr_QueryUserInfo (get flags) */
 680         qui.in.user_handle = u_handle;
 681         qui.in.level = 16;
 682
 683         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 684         if (!NT_STATUS_IS_OK(status)) {
 685                 r->out.error_string = talloc_asprintf(mem_ctx,
 686                                                 "samr_QueryUserInfo for [%s] failed: %s",
 687                                                 r->in.account_name,
 688                                                 nt_errstr(status));
 689                 talloc_free(tmp_ctx);
 690                 return status;
 691         }
 692
 693         if (!qui.out.info) {
 694                 status = NT_STATUS_INVALID_PARAMETER;
 695                 r->out.error_string
 696                         = talloc_asprintf(mem_ctx,
 697                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 698                                           r->in.account_name, nt_errstr(status));
 699                 talloc_free(tmp_ctx);
 700                 return status;
 701         }
 702
 703         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 704         /* Possibly bail if the account is of the wrong type */
 705         if (old_acct_flags
 706             != r->in.acct_type) {
 707                 const char *old_account_type, *new_account_type;
 708                 switch (old_acct_flags) {
 709                 case ACB_WSTRUST:
 710                         old_account_type = "domain member (member)";
 711                         break;
 712                 case ACB_SVRTRUST:
 713                         old_account_type = "domain controller (bdc)";
 714                         break;
 715                 case ACB_DOMTRUST:
 716                         old_account_type = "trusted domain";
 717                         break;
 718                 default:
 719                         return NT_STATUS_INVALID_PARAMETER;
 720                 }
 721                 switch (r->in.acct_type) {
 722                 case ACB_WSTRUST:
 723                         new_account_type = "domain member (member)";
 724                         break;
 725                 case ACB_SVRTRUST:
 726                         new_account_type = "domain controller (bdc)";
 727                         break;
 728                 case ACB_DOMTRUST:
 729                         new_account_type = "trusted domain";
 730                         break;
 731                 default:
 732                         return NT_STATUS_INVALID_PARAMETER;
 733                 }
 734
 735                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 736                         /* We created a new user, but they didn't come out the right type?!? */
 737                         r->out.error_string
 738                                 = talloc_asprintf(mem_ctx,
 739                                                   "We asked to create a new machine account (%s) of type %s, "
 740                                                   "but we got an account of type %s.  This is unexpected.  "
 741                                                   "Perhaps delete the account and try again.",
 742                                                   r->in.account_name, new_account_type, old_account_type);
 743                         talloc_free(tmp_ctx);
 744                         return NT_STATUS_INVALID_PARAMETER;
 745                 } else {
 746                         /* The account is of the wrong type, so bail */
 747
 748                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 749                         r->out.error_string
 750                                 = talloc_asprintf(mem_ctx,
 751                                                   "The machine account (%s) already exists in the domain %s, "
 752                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 753                                                   "the account and try again.",
 754                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 755                         talloc_free(tmp_ctx);
 756                         return NT_STATUS_USER_EXISTS;
 757                 }
 758         } else {
 759                 acct_flags = qui.out.info->info16.acct_flags;
 760         }
 761
 762         acct_flags = (acct_flags & ~(ACB_DISABLED|ACB_PWNOTREQ));
 763
 764         /* Find out what password policy this user has */
 765         pwp.in.user_handle = u_handle;
 766
 767         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 768         if (NT_STATUS_IS_OK(status)) {
 769                 policy_min_pw_len = pwp.out.info.min_password_length;
 770         }
 771
 772         /* Grab a password of that minimum length */
 773
 774         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 775
 776         /* set full_name and reset flags */
 777         ZERO_STRUCT(u_info21);
 778         u_info21.full_name.string       = r->in.account_name;
 779         u_info21.acct_flags             = acct_flags;
 780         u_info21.fields_present         = SAMR_FIELD_FULL_NAME | SAMR_FIELD_ACCT_FLAGS;
 781
 782         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 783         r2.samr_handle.in.account_name  = r->in.account_name;
 784         r2.samr_handle.in.newpassword   = password_str;
 785         r2.samr_handle.in.user_handle   = u_handle;
 786         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 787         r2.samr_handle.in.info21        = &u_info21;
 788
 789         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 790         if (!NT_STATUS_IS_OK(status)) {
 791                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 792                 talloc_free(tmp_ctx);
 793                 return status;
 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         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
 864         r->out.error_string = NULL;
 865
 866         tmp_mem = talloc_new(mem_ctx);
 867         if (!tmp_mem) {
 868                 return NT_STATUS_NO_MEMORY;
 869         }
 870
 871         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 872         if (!r2) {
 873                 r->out.error_string = NULL;
 874                 talloc_free(tmp_mem);
 875                 return NT_STATUS_NO_MEMORY;
 876         }
 877
 878         if (r->in.join_type == SEC_CHAN_BDC) {
 879                 acct_type = ACB_SVRTRUST;
 880         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 881                 acct_type = ACB_WSTRUST;
 882         } else {
 883                 r->out.error_string = NULL;
 884                 talloc_free(tmp_mem);
 885                 return NT_STATUS_INVALID_PARAMETER;
 886         }
 887
 888         if (r->in.netbios_name != NULL) {
 889                 netbios_name = r->in.netbios_name;
 890         } else {
 891                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 892                 if (!netbios_name) {
 893                         r->out.error_string = NULL;
 894                         talloc_free(tmp_mem);
 895                         return NT_STATUS_NO_MEMORY;
 896                 }
 897         }
 898
 899         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 900         if (!account_name) {
 901                 r->out.error_string = NULL;
 902                 talloc_free(tmp_mem);
 903                 return NT_STATUS_NO_MEMORY;
 904         }
 905
 906         /*
 907          * Local secrets are stored in secrets.ldb
 908          * open it to make sure we can write the info into it after the join
 909          */
 910         ldb = secrets_db_connect(tmp_mem);
 911         if (!ldb) {
 912                 r->out.error_string
 913                         = talloc_asprintf(mem_ctx,
 914                                           "Could not open secrets database");
 915                 talloc_free(tmp_mem);
 916                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 917         }
 918
 919         /*
 920          * join the domain
 921          */
 922         ZERO_STRUCTP(r2);
 923         r2->in.domain_name      = r->in.domain_name;
 924         r2->in.account_name     = account_name;
 925         r2->in.netbios_name     = netbios_name;
 926         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 927         r2->in.acct_type        = acct_type;
 928         r2->in.recreate_account = False;
 929         status = libnet_JoinDomain(ctx, r2, r2);
 930         if (!NT_STATUS_IS_OK(status)) {
 931                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 932                 talloc_free(tmp_mem);
 933                 return status;
 934         }
 935
 936         /*
 937          * now prepare the record for secrets.ldb
 938          */
 939         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 940         if (!sct) {
 941                 r->out.error_string = NULL;
 942                 talloc_free(tmp_mem);
 943                 return NT_STATUS_NO_MEMORY;
 944         }
 945
 946         msg = ldb_msg_new(tmp_mem);
 947         if (!msg) {
 948                 r->out.error_string = NULL;
 949                 talloc_free(tmp_mem);
 950                 return NT_STATUS_NO_MEMORY;
 951         }
 952
 953         base_dn = ldb_dn_new(tmp_mem, ldb, "cn=Primary Domains");
 954         if (!base_dn) {
 955                 r->out.error_string = NULL;
 956                 talloc_free(tmp_mem);
 957                 return NT_STATUS_NO_MEMORY;
 958         }
 959
 960         msg->dn = ldb_dn_copy(tmp_mem, base_dn);
 961         if ( ! ldb_dn_add_child_fmt(msg->dn, "flatname=%s", r2->out.domain_name)) {
 962                 r->out.error_string = NULL;
 963                 talloc_free(tmp_mem);
 964                 return NT_STATUS_NO_MEMORY;
 965         }
 966
 967         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 968         if (rtn == -1) {
 969                 r->out.error_string = NULL;
 970                 talloc_free(tmp_mem);
 971                 return NT_STATUS_NO_MEMORY;
 972         }
 973
 974         if (r2->out.realm) {
 975                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 976                 if (rtn == -1) {
 977                         r->out.error_string = NULL;
 978                         talloc_free(tmp_mem);
 979                         return NT_STATUS_NO_MEMORY;
 980                 }
 981
 982                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 983                 if (rtn == -1) {
 984                         r->out.error_string = NULL;
 985                         talloc_free(tmp_mem);
 986                         return NT_STATUS_NO_MEMORY;
 987                 }
 988         }
 989
 990         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 991         if (rtn == -1) {
 992                 r->out.error_string = NULL;
 993                 talloc_free(tmp_mem);
 994                 return NT_STATUS_NO_MEMORY;
 995         }
 996
 997         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
 998         if (rtn == -1) {
 999                 r->out.error_string = NULL;
1000                 talloc_free(tmp_mem);
1001                 return NT_STATUS_NO_MEMORY;
1002         }
1003
1004         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1005         if (rtn == -1) {
1006                 r->out.error_string = NULL;
1007                 talloc_free(tmp_mem);
1008                 return NT_STATUS_NO_MEMORY;
1009         }
1010
1011         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1012         if (rtn == -1) {
1013                 r->out.error_string = NULL;
1014                 talloc_free(tmp_mem);
1015                 return NT_STATUS_NO_MEMORY;
1016         }
1017
1018         if (r2->out.kvno) {
1019                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1020                                          r2->out.kvno);
1021                 if (rtn == -1) {
1022                         r->out.error_string = NULL;
1023                         talloc_free(tmp_mem);
1024                         return NT_STATUS_NO_MEMORY;
1025                 }
1026         }
1027
1028         if (r2->out.domain_sid) {
1029                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1030                                             r2->out.domain_sid);
1031                 if (rtn == -1) {
1032                         r->out.error_string = NULL;
1033                         talloc_free(tmp_mem);
1034                         return NT_STATUS_NO_MEMORY;
1035                 }
1036         }
1037
1038         /*
1039          * search for the secret record
1040          * - remove the records we find
1041          * - and fetch the old secret and store it under priorSecret
1042          */
1043         ret = gendb_search(ldb,
1044                            tmp_mem, base_dn,
1045                            &msgs, attrs,
1046                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1047                            r2->out.domain_name, r2->out.realm);
1048         if (ret == 0) {
1049                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1050                 if (rtn == -1) {
1051                         r->out.error_string = NULL;
1052                         talloc_free(tmp_mem);
1053                         return NT_STATUS_NO_MEMORY;
1054                 }
1055         } else if (ret == -1) {
1056                 r->out.error_string
1057                         = talloc_asprintf(mem_ctx,
1058                                           "Search for domain: %s and realm: %s failed: %s",
1059                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1060                 talloc_free(tmp_mem);
1061                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1062         } else {
1063                 const struct ldb_val *private_keytab;
1064                 const struct ldb_val *krb5_keytab;
1065                 const struct ldb_val *prior_secret;
1066                 const struct ldb_val *prior_modified_time;
1067                 int i;
1068
1069                 for (i = 0; i < ret; i++) {
1070                         ldb_delete(ldb, msgs[i]->dn);
1071                 }
1072
1073                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1074                 if (prior_secret) {
1075                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1076                         if (rtn == -1) {
1077                                 r->out.error_string = NULL;
1078                                 talloc_free(tmp_mem);
1079                                 return NT_STATUS_NO_MEMORY;
1080                         }
1081                 }
1082                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1083                 if (rtn == -1) {
1084                         r->out.error_string = NULL;
1085                         talloc_free(tmp_mem);
1086                         return NT_STATUS_NO_MEMORY;
1087                 }
1088
1089                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1090                                                            "whenChanged");
1091                 if (prior_modified_time) {
1092                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1093                                                   prior_modified_time);
1094                         if (rtn == -1) {
1095                                 r->out.error_string = NULL;
1096                                 talloc_free(tmp_mem);
1097                                 return NT_STATUS_NO_MEMORY;
1098                         }
1099                 }
1100
1101                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1102                 if (rtn == -1) {
1103                         r->out.error_string = NULL;
1104                         talloc_free(tmp_mem);
1105                         return NT_STATUS_NO_MEMORY;
1106                 }
1107
1108                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1109                 if (rtn == -1) {
1110                         r->out.error_string = NULL;
1111                         talloc_free(tmp_mem);
1112                         return NT_STATUS_NO_MEMORY;
1113                 }
1114
1115                 /* We will want to keep the keytab names */
1116                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1117                 if (private_keytab) {
1118                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1119                         if (rtn == -1) {
1120                                 r->out.error_string = NULL;
1121                                 talloc_free(tmp_mem);
1122                                 return NT_STATUS_NO_MEMORY;
1123                         }
1124                 }
1125                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1126                 if (krb5_keytab) {
1127                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1128                         if (rtn == -1) {
1129                                 r->out.error_string = NULL;
1130                                 talloc_free(tmp_mem);
1131                                 return NT_STATUS_NO_MEMORY;
1132                         }
1133                 }
1134         }
1135
1136         /* create the secret */
1137         ret = samdb_add(ldb, tmp_mem, msg);
1138         if (ret != 0) {
1139                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1140                                                       ldb_dn_get_linearized(msg->dn));
1141                 talloc_free(tmp_mem);
1142                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1143         }
1144
1145         /* move all out parameter to the callers TALLOC_CTX */
1146         r->out.error_string     = NULL;
1147         r->out.join_password    = r2->out.join_password;
1148         talloc_steal(mem_ctx, r2->out.join_password);
1149         r->out.domain_sid       = r2->out.domain_sid;
1150         talloc_steal(mem_ctx, r2->out.domain_sid);
1151         r->out.domain_name      = r2->out.domain_name;
1152         talloc_steal(mem_ctx, r2->out.domain_name);
1153         talloc_free(tmp_mem);
1154         return NT_STATUS_OK;
1155 }
1156
1157 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1158 {
1159         switch (r->in.join_type) {
1160                 case SEC_CHAN_WKSTA:
1161                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1162                 case SEC_CHAN_BDC:
1163                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1164                 case SEC_CHAN_DOMAIN:
1165                         break;
1166         }
1167
1168         r->out.error_string = talloc_asprintf(mem_ctx,
1169                                               "Invalid join type specified (%08X) attempting to join domain %s",
1170                                               r->in.join_type, r->in.domain_name);
1171         return NT_STATUS_INVALID_PARAMETER;
1172 }