source/libnet/libnet_join.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher      2004
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   6    Copyright (C) Brad Henry 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libnet/libnet.h"
  25 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "param/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->target_hostname);
 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) {
 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         /* If we have a kvno recorded in AD, we need it locally as well */
 267         kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 268
 269         /* Prepare a new message, for the modify */
 270         msg = ldb_msg_new(tmp_ctx);
 271         if (!msg) {
 272                 r->out.error_string = NULL;
 273                 talloc_free(tmp_ctx);
 274                 return NT_STATUS_NO_MEMORY;
 275         }
 276         msg->dn = res->msgs[0]->dn;
 277
 278         {
 279                 int i;
 280                 const char *service_principal_name[6];
 281                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 282                                                             talloc_asprintf(tmp_ctx,
 283                                                                             "%s.%s",
 284                                                                             r->in.netbios_name,
 285                                                                             realm));
 286
 287                 if (!dns_host_name) {
 288                         r->out.error_string = NULL;
 289                         talloc_free(tmp_ctx);
 290                         return NT_STATUS_NO_MEMORY;
 291                 }
 292
 293                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 294                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 295                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 296                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 297                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 298                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 299
 300                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 301                         if (!service_principal_name[i]) {
 302                                 r->out.error_string = NULL;
 303                                 talloc_free(tmp_ctx);
 304                                 return NT_STATUS_NO_MEMORY;
 305                         }
 306                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 307                         if (rtn == -1) {
 308                                 r->out.error_string = NULL;
 309                                 talloc_free(tmp_ctx);
 310                                 return NT_STATUS_NO_MEMORY;
 311                         }
 312                 }
 313
 314                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 315                 if (rtn == -1) {
 316                         r->out.error_string = NULL;
 317                         talloc_free(tmp_ctx);
 318                         return NT_STATUS_NO_MEMORY;
 319                 }
 320
 321                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 322                 if (rtn != 0) {
 323                         r->out.error_string
 324                                 = talloc_asprintf(r,
 325                                                   "Failed to replace entries on %s",
 326                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 327                         talloc_free(tmp_ctx);
 328                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 329                 }
 330         }
 331
 332         /* DsCrackNames to find out the DN of the domain. */
 333         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 334         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 335         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 336         if (!names[0].str) {
 337                 r->out.error_string = NULL;
 338                 talloc_free(tmp_ctx);
 339                 return NT_STATUS_NO_MEMORY;
 340         }
 341
 342         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 343         if (!NT_STATUS_IS_OK(status)) {
 344                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 345                         r->out.error_string
 346                                 = talloc_asprintf(r,
 347                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 348                                                   r->in.domain_name,
 349                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 350                         talloc_free(tmp_ctx);
 351                         return status;
 352                 } else {
 353                         r->out.error_string
 354                                 = talloc_asprintf(r,
 355                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 356                                                   r->in.domain_name,
 357                                                   nt_errstr(status));
 358                         talloc_free(tmp_ctx);
 359                         return status;
 360                 }
 361         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 362                 r->out.error_string
 363                         = talloc_asprintf(r,
 364                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 365                 talloc_free(tmp_ctx);
 366                 return NT_STATUS_UNSUCCESSFUL;
 367         } else if (r_crack_names.out.level != 1
 368                    || !r_crack_names.out.ctr.ctr1
 369                    || r_crack_names.out.ctr.ctr1->count != 1
 370                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 371                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 372                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 373                 talloc_free(tmp_ctx);
 374                 return NT_STATUS_UNSUCCESSFUL;
 375         }
 376
 377         /* Store the account DN. */
 378         r->out.account_dn_str = account_dn_str;
 379         talloc_steal(r, account_dn_str);
 380
 381         /* Store the domain DN. */
 382         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 383         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 384
 385         r->out.kvno = kvno;
 386
 387         if (r->in.acct_type == ACB_SVRTRUST) {
 388                 status = libnet_JoinSite(remote_ldb, r);
 389         }
 390         talloc_free(tmp_ctx);
 391
 392         return status;
 393 }
 394
 395 /*
 396  * do a domain join using DCERPC/SAMR calls
 397  * - connect to the LSA pipe, to try and find out information about the domain
 398  * - create a secondary connection to SAMR pipe
 399  * - do a samr_Connect to get a policy handle
 400  * - do a samr_LookupDomain to get the domain sid
 401  * - do a samr_OpenDomain to get a domain handle
 402  * - do a samr_CreateAccount to try and get a new account
 403  *
 404  * If that fails, do:
 405  * - do a samr_LookupNames to get the users rid
 406  * - do a samr_OpenUser to get a user handle
 407  * - potentially delete and recreate the user
 408  * - assert the account is of the right type with samrQueryUserInfo
 409  *
 410  * - call libnet_SetPassword_samr_handle to set the password
 411  *
 412  * - do a samrSetUserInfo to set the account flags
 413  * - do some ADS specific things when we join as Domain Controller,
 414  *    look at libnet_joinADSDomain() for the details
 415  */
 416 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 417 {
 418         TALLOC_CTX *tmp_ctx;
 419
 420         NTSTATUS status, cu_status;
 421
 422         struct libnet_RpcConnect *connect_with_info;
 423         struct dcerpc_pipe *samr_pipe;
 424
 425         struct samr_Connect sc;
 426         struct policy_handle p_handle;
 427         struct samr_OpenDomain od;
 428         struct policy_handle d_handle;
 429         struct samr_LookupNames ln;
 430         struct samr_OpenUser ou;
 431         struct samr_CreateUser2 cu;
 432         struct policy_handle *u_handle = NULL;
 433         struct samr_QueryUserInfo qui;
 434         struct samr_SetUserInfo sui;
 435         union samr_UserInfo u_info;
 436         union libnet_SetPassword r2;
 437         struct samr_GetUserPwInfo pwp;
 438         struct lsa_String samr_account_name;
 439
 440         uint32_t acct_flags, old_acct_flags;
 441         uint32_t rid, access_granted;
 442         int policy_min_pw_len = 0;
 443
 444         struct dom_sid *account_sid = NULL;
 445         const char *password_str = NULL;
 446
 447         r->out.error_string = NULL;
 448         r2.samr_handle.out.error_string = NULL;
 449
 450         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 451         if (!tmp_ctx) {
 452                 r->out.error_string = NULL;
 453                 return NT_STATUS_NO_MEMORY;
 454         }
 455
 456         u_handle = talloc(tmp_ctx, struct policy_handle);
 457         if (!u_handle) {
 458                 r->out.error_string = NULL;
 459                 talloc_free(tmp_ctx);
 460                 return NT_STATUS_NO_MEMORY;
 461         }
 462
 463         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 464         if (!connect_with_info) {
 465                 r->out.error_string = NULL;
 466                 talloc_free(tmp_ctx);
 467                 return NT_STATUS_NO_MEMORY;
 468         }
 469
 470         /* prepare connect to the LSA pipe of PDC */
 471         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 472                 connect_with_info->in.binding = NULL;
 473                 connect_with_info->in.name    = r->in.domain_name;
 474         } else {
 475                 connect_with_info->in.binding = r->in.binding;
 476                 connect_with_info->in.name    = NULL;
 477         }
 478
 479         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 480         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 481
 482         /*
 483           establish a SAMR connection, on the same CIFS transport
 484         */
 485         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 486         if (!NT_STATUS_IS_OK(status)) {
 487                 if (r->in.binding) {
 488                         r->out.error_string = talloc_asprintf(mem_ctx,
 489                                                               "Connection to SAMR pipe of DC %s failed: %s",
 490                                                               r->in.binding, connect_with_info->out.error_string);
 491                 } else {
 492                         r->out.error_string = talloc_asprintf(mem_ctx,
 493                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 494                                                               r->in.domain_name, connect_with_info->out.error_string);
 495                 }
 496                 talloc_free(tmp_ctx);
 497                 return status;
 498         }
 499
 500         samr_pipe = connect_with_info->out.dcerpc_pipe;
 501
 502         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 503                                   connect_with_info->out.dcerpc_pipe->binding,
 504                                   &dcerpc_table_samr, ctx->cred);
 505         if (!NT_STATUS_IS_OK(status)) {
 506                 r->out.error_string = talloc_asprintf(mem_ctx,
 507                                                 "SAMR bind failed: %s",
 508                                                 nt_errstr(status));
 509                 talloc_free(tmp_ctx);
 510                 return status;
 511         }
 512
 513         /* prepare samr_Connect */
 514         ZERO_STRUCT(p_handle);
 515         sc.in.system_name = NULL;
 516         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 517         sc.out.connect_handle = &p_handle;
 518
 519         /* 2. do a samr_Connect to get a policy handle */
 520         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 521         if (!NT_STATUS_IS_OK(status)) {
 522                 r->out.error_string = talloc_asprintf(mem_ctx,
 523                                                 "samr_Connect failed: %s",
 524                                                 nt_errstr(status));
 525                 talloc_free(tmp_ctx);
 526                 return status;
 527         }
 528
 529         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 530         if (!connect_with_info->out.domain_name) {
 531                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 532                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 533                 } else {
 534                         /* Bugger, we just lost our way to automaticly find the domain name */
 535                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 536                 }
 537         }
 538
 539         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 540         if (!connect_with_info->out.domain_sid) {
 541                 struct lsa_String name;
 542                 struct samr_LookupDomain l;
 543                 name.string = connect_with_info->out.domain_name;
 544                 l.in.connect_handle = &p_handle;
 545                 l.in.domain_name = &name;
 546
 547                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 548                 if (!NT_STATUS_IS_OK(status)) {
 549                         r->out.error_string = talloc_asprintf(mem_ctx,
 550                                                               "SAMR LookupDomain failed: %s",
 551                                                               nt_errstr(status));
 552                         talloc_free(tmp_ctx);
 553                         return status;
 554                 }
 555                 connect_with_info->out.domain_sid = l.out.sid;
 556         }
 557
 558         /* prepare samr_OpenDomain */
 559         ZERO_STRUCT(d_handle);
 560         od.in.connect_handle = &p_handle;
 561         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 562         od.in.sid = connect_with_info->out.domain_sid;
 563         od.out.domain_handle = &d_handle;
 564
 565         /* do a samr_OpenDomain to get a domain handle */
 566         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 567         if (!NT_STATUS_IS_OK(status)) {
 568                 r->out.error_string = talloc_asprintf(mem_ctx,
 569                                                       "samr_OpenDomain for [%s] failed: %s",
 570                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 571                                                       nt_errstr(status));
 572                 talloc_free(tmp_ctx);
 573                 return status;
 574         }
 575
 576         /* prepare samr_CreateUser2 */
 577         ZERO_STRUCTP(u_handle);
 578         cu.in.domain_handle  = &d_handle;
 579         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 580         samr_account_name.string = r->in.account_name;
 581         cu.in.account_name    = &samr_account_name;
 582         cu.in.acct_flags      = r->in.acct_type;
 583         cu.out.user_handle    = u_handle;
 584         cu.out.rid            = &rid;
 585         cu.out.access_granted = &access_granted;
 586
 587         /* do a samr_CreateUser2 to get an account handle, or an error */
 588         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 589         status = cu_status;
 590         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 591                 /* prepare samr_LookupNames */
 592                 ln.in.domain_handle = &d_handle;
 593                 ln.in.num_names = 1;
 594                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 595                 if (!ln.in.names) {
 596                         r->out.error_string = NULL;
 597                         talloc_free(tmp_ctx);
 598                         return NT_STATUS_NO_MEMORY;
 599                 }
 600                 ln.in.names[0].string = r->in.account_name;
 601
 602                 /* 5. do a samr_LookupNames to get the users rid */
 603                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 604                 if (!NT_STATUS_IS_OK(status)) {
 605                         r->out.error_string = talloc_asprintf(mem_ctx,
 606                                                 "samr_LookupNames for [%s] failed: %s",
 607                                                 r->in.account_name,
 608                                                 nt_errstr(status));
 609                         talloc_free(tmp_ctx);
 610                         return status;
 611                 }
 612
 613                 /* check if we got one RID for the user */
 614                 if (ln.out.rids.count != 1) {
 615                         r->out.error_string = talloc_asprintf(mem_ctx,
 616                                                               "samr_LookupNames for [%s] returns %d RIDs",
 617                                                               r->in.account_name, ln.out.rids.count);
 618                         talloc_free(tmp_ctx);
 619                         return NT_STATUS_INVALID_PARAMETER;
 620                 }
 621
 622                 /* prepare samr_OpenUser */
 623                 ZERO_STRUCTP(u_handle);
 624                 ou.in.domain_handle = &d_handle;
 625                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 626                 ou.in.rid = ln.out.rids.ids[0];
 627                 rid = ou.in.rid;
 628                 ou.out.user_handle = u_handle;
 629
 630                 /* 6. do a samr_OpenUser to get a user handle */
 631                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 632                 if (!NT_STATUS_IS_OK(status)) {
 633                         r->out.error_string = talloc_asprintf(mem_ctx,
 634                                                         "samr_OpenUser for [%s] failed: %s",
 635                                                         r->in.account_name,
 636                                                         nt_errstr(status));
 637                         talloc_free(tmp_ctx);
 638                         return status;
 639                 }
 640
 641                 if (r->in.recreate_account) {
 642                         struct samr_DeleteUser d;
 643                         d.in.user_handle = u_handle;
 644                         d.out.user_handle = u_handle;
 645                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 646                         if (!NT_STATUS_IS_OK(status)) {
 647                                 r->out.error_string = talloc_asprintf(mem_ctx,
 648                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 649                                                                       r->in.account_name,
 650                                                                       nt_errstr(status));
 651                                 talloc_free(tmp_ctx);
 652                                 return status;
 653                         }
 654
 655                         /* We want to recreate, so delete and another samr_CreateUser2 */
 656
 657                         /* &cu filled in above */
 658                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 659                         if (!NT_STATUS_IS_OK(status)) {
 660                                 r->out.error_string = talloc_asprintf(mem_ctx,
 661                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 662                                                                       r->in.account_name, nt_errstr(status));
 663                                 talloc_free(tmp_ctx);
 664                                 return status;
 665                         }
 666                 }
 667         } else if (!NT_STATUS_IS_OK(status)) {
 668                 r->out.error_string = talloc_asprintf(mem_ctx,
 669                                                       "samr_CreateUser2 for [%s] failed: %s",
 670                                                       r->in.account_name, nt_errstr(status));
 671                 talloc_free(tmp_ctx);
 672                 return status;
 673         }
 674
 675         /* prepare samr_QueryUserInfo (get flags) */
 676         qui.in.user_handle = u_handle;
 677         qui.in.level = 16;
 678
 679         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 680         if (!NT_STATUS_IS_OK(status)) {
 681                 r->out.error_string = talloc_asprintf(mem_ctx,
 682                                                 "samr_QueryUserInfo for [%s] failed: %s",
 683                                                 r->in.account_name,
 684                                                 nt_errstr(status));
 685                 talloc_free(tmp_ctx);
 686                 return status;
 687         }
 688
 689         if (!qui.out.info) {
 690                 status = NT_STATUS_INVALID_PARAMETER;
 691                 r->out.error_string
 692                         = talloc_asprintf(mem_ctx,
 693                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 694                                           r->in.account_name, nt_errstr(status));
 695                 talloc_free(tmp_ctx);
 696                 return status;
 697         }
 698
 699         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 700         /* Possibly bail if the account is of the wrong type */
 701         if (old_acct_flags
 702             != r->in.acct_type) {
 703                 const char *old_account_type, *new_account_type;
 704                 switch (old_acct_flags) {
 705                 case ACB_WSTRUST:
 706                         old_account_type = "domain member (member)";
 707                         break;
 708                 case ACB_SVRTRUST:
 709                         old_account_type = "domain controller (bdc)";
 710                         break;
 711                 case ACB_DOMTRUST:
 712                         old_account_type = "trusted domain";
 713                         break;
 714                 default:
 715                         return NT_STATUS_INVALID_PARAMETER;
 716                 }
 717                 switch (r->in.acct_type) {
 718                 case ACB_WSTRUST:
 719                         new_account_type = "domain member (member)";
 720                         break;
 721                 case ACB_SVRTRUST:
 722                         new_account_type = "domain controller (bdc)";
 723                         break;
 724                 case ACB_DOMTRUST:
 725                         new_account_type = "trusted domain";
 726                         break;
 727                 default:
 728                         return NT_STATUS_INVALID_PARAMETER;
 729                 }
 730
 731                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 732                         /* We created a new user, but they didn't come out the right type?!? */
 733                         r->out.error_string
 734                                 = talloc_asprintf(mem_ctx,
 735                                                   "We asked to create a new machine account (%s) of type %s, "
 736                                                   "but we got an account of type %s.  This is unexpected.  "
 737                                                   "Perhaps delete the account and try again.",
 738                                                   r->in.account_name, new_account_type, old_account_type);
 739                         talloc_free(tmp_ctx);
 740                         return NT_STATUS_INVALID_PARAMETER;
 741                 } else {
 742                         /* The account is of the wrong type, so bail */
 743
 744                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 745                         r->out.error_string
 746                                 = talloc_asprintf(mem_ctx,
 747                                                   "The machine account (%s) already exists in the domain %s, "
 748                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 749                                                   "the account and try again.",
 750                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 751                         talloc_free(tmp_ctx);
 752                         return NT_STATUS_USER_EXISTS;
 753                 }
 754         } else {
 755                 acct_flags = qui.out.info->info16.acct_flags;
 756         }
 757
 758         acct_flags = (acct_flags & ~ACB_DISABLED);
 759
 760         /* Find out what password policy this user has */
 761         pwp.in.user_handle = u_handle;
 762
 763         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 764         if (NT_STATUS_IS_OK(status)) {
 765                 policy_min_pw_len = pwp.out.info.min_password_length;
 766         }
 767
 768         /* Grab a password of that minimum length */
 769
 770         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 771
 772         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 773         r2.samr_handle.in.account_name  = r->in.account_name;
 774         r2.samr_handle.in.newpassword   = password_str;
 775         r2.samr_handle.in.user_handle   = u_handle;
 776         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 777
 778         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 779         if (!NT_STATUS_IS_OK(status)) {
 780                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 781                 talloc_free(tmp_ctx);
 782                 return status;
 783         }
 784
 785         /* reset flags (if required) */
 786         if (acct_flags != qui.out.info->info16.acct_flags) {
 787                 ZERO_STRUCT(u_info);
 788                 u_info.info16.acct_flags = acct_flags;
 789
 790                 sui.in.user_handle = u_handle;
 791                 sui.in.info = &u_info;
 792                 sui.in.level = 16;
 793
 794                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 795                 if (!NT_STATUS_IS_OK(status)) {
 796                         r->out.error_string = talloc_asprintf(mem_ctx,
 797                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 798                                                         r->in.account_name,
 799                                                         nt_errstr(status));
 800                         talloc_free(tmp_ctx);
 801                         return status;
 802                 }
 803         }
 804
 805         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 806         if (!account_sid) {
 807                 r->out.error_string = NULL;
 808                 talloc_free(tmp_ctx);
 809                 return NT_STATUS_NO_MEMORY;
 810         }
 811
 812         /* Finish out by pushing various bits of status data out for the caller to use */
 813         r->out.join_password = password_str;
 814         talloc_steal(mem_ctx, r->out.join_password);
 815
 816         r->out.domain_sid = connect_with_info->out.domain_sid;
 817         talloc_steal(mem_ctx, r->out.domain_sid);
 818
 819         r->out.account_sid = account_sid;
 820         talloc_steal(mem_ctx, r->out.account_sid);
 821
 822         r->out.domain_name = connect_with_info->out.domain_name;
 823         talloc_steal(mem_ctx, r->out.domain_name);
 824         r->out.realm = connect_with_info->out.realm;
 825         talloc_steal(mem_ctx, r->out.realm);
 826         r->out.samr_pipe = samr_pipe;
 827         talloc_steal(mem_ctx, samr_pipe);
 828         r->out.samr_binding = samr_pipe->binding;
 829         talloc_steal(mem_ctx, r->out.samr_binding);
 830         r->out.user_handle = u_handle;
 831         talloc_steal(mem_ctx, u_handle);
 832         r->out.error_string = r2.samr_handle.out.error_string;
 833         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 834         r->out.kvno = 0;
 835         r->out.server_dn_str = NULL;
 836         talloc_free(tmp_ctx);
 837
 838         /* Now, if it was AD, then we want to start looking changing a
 839          * few more things.  Otherwise, we are done. */
 840         if (r->out.realm) {
 841                 status = libnet_JoinADSDomain(ctx, r);
 842                 return status;
 843         }
 844
 845         return status;
 846 }
 847
 848 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 849                                            TALLOC_CTX *mem_ctx,
 850                                            struct libnet_Join *r)
 851 {
 852         NTSTATUS status;
 853         TALLOC_CTX *tmp_mem;
 854         struct libnet_JoinDomain *r2;
 855         int ret, rtn;
 856         struct ldb_context *ldb;
 857         const struct ldb_dn *base_dn;
 858         struct ldb_message **msgs, *msg;
 859         const char *sct;
 860         const char * const attrs[] = {
 861                 "whenChanged",
 862                 "secret",
 863                 "priorSecret",
 864                 "priorChanged",
 865                 "krb5Keytab",
 866                 "privateKeytab",
 867                 NULL
 868         };
 869         uint32_t acct_type = 0;
 870         const char *account_name;
 871         const char *netbios_name;
 872         char *filter;
 873
 874         r->out.error_string = NULL;
 875
 876         tmp_mem = talloc_new(mem_ctx);
 877         if (!tmp_mem) {
 878                 return NT_STATUS_NO_MEMORY;
 879         }
 880
 881         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 882         if (!r2) {
 883                 r->out.error_string = NULL;
 884                 talloc_free(tmp_mem);
 885                 return NT_STATUS_NO_MEMORY;
 886         }
 887
 888         if (r->in.join_type == SEC_CHAN_BDC) {
 889                 acct_type = ACB_SVRTRUST;
 890         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 891                 acct_type = ACB_WSTRUST;
 892         } else {
 893                 r->out.error_string = NULL;
 894                 talloc_free(tmp_mem);
 895                 return NT_STATUS_INVALID_PARAMETER;
 896         }
 897
 898         if (r->in.netbios_name != NULL) {
 899                 netbios_name = r->in.netbios_name;
 900         } else {
 901                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 902                 if (!netbios_name) {
 903                         r->out.error_string = NULL;
 904                         talloc_free(tmp_mem);
 905                         return NT_STATUS_NO_MEMORY;
 906                 }
 907         }
 908
 909         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 910         if (!account_name) {
 911                 r->out.error_string = NULL;
 912                 talloc_free(tmp_mem);
 913                 return NT_STATUS_NO_MEMORY;
 914         }
 915
 916         /*
 917          * Local secrets are stored in secrets.ldb
 918          * open it to make sure we can write the info into it after the join
 919          */
 920         ldb = secrets_db_connect(tmp_mem);
 921         if (!ldb) {
 922                 r->out.error_string
 923                         = talloc_asprintf(mem_ctx,
 924                                           "Could not open secrets database");
 925                 talloc_free(tmp_mem);
 926                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 927         }
 928
 929         /*
 930          * join the domain
 931          */
 932         ZERO_STRUCTP(r2);
 933         r2->in.domain_name      = r->in.domain_name;
 934         r2->in.account_name     = account_name;
 935         r2->in.netbios_name     = netbios_name;
 936         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 937         r2->in.acct_type        = acct_type;
 938         r2->in.recreate_account = False;
 939         status = libnet_JoinDomain(ctx, r2, r2);
 940         if (!NT_STATUS_IS_OK(status)) {
 941                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 942                 talloc_free(tmp_mem);
 943                 return status;
 944         }
 945
 946         /*
 947          * now prepare the record for secrets.ldb
 948          */
 949         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 950         if (!sct) {
 951                 r->out.error_string = NULL;
 952                 talloc_free(tmp_mem);
 953                 return NT_STATUS_NO_MEMORY;
 954         }
 955
 956         msg = ldb_msg_new(tmp_mem);
 957         if (!msg) {
 958                 r->out.error_string = NULL;
 959                 talloc_free(tmp_mem);
 960                 return NT_STATUS_NO_MEMORY;
 961         }
 962
 963         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 964         if (!base_dn) {
 965                 r->out.error_string = NULL;
 966                 talloc_free(tmp_mem);
 967                 return NT_STATUS_NO_MEMORY;
 968         }
 969
 970         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 971         if (!msg->dn) {
 972                 r->out.error_string = NULL;
 973                 talloc_free(tmp_mem);
 974                 return NT_STATUS_NO_MEMORY;
 975         }
 976
 977         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 978         if (rtn == -1) {
 979                 r->out.error_string = NULL;
 980                 talloc_free(tmp_mem);
 981                 return NT_STATUS_NO_MEMORY;
 982         }
 983
 984         if (r2->out.realm) {
 985                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 986                 if (rtn == -1) {
 987                         r->out.error_string = NULL;
 988                         talloc_free(tmp_mem);
 989                         return NT_STATUS_NO_MEMORY;
 990                 }
 991
 992                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 993                 if (rtn == -1) {
 994                         r->out.error_string = NULL;
 995                         talloc_free(tmp_mem);
 996                         return NT_STATUS_NO_MEMORY;
 997                 }
 998         }
 999
1000         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
1001         if (rtn == -1) {
1002                 r->out.error_string = NULL;
1003                 talloc_free(tmp_mem);
1004                 return NT_STATUS_NO_MEMORY;
1005         }
1006
1007         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1008         if (rtn == -1) {
1009                 r->out.error_string = NULL;
1010                 talloc_free(tmp_mem);
1011                 return NT_STATUS_NO_MEMORY;
1012         }
1013
1014         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1015         if (rtn == -1) {
1016                 r->out.error_string = NULL;
1017                 talloc_free(tmp_mem);
1018                 return NT_STATUS_NO_MEMORY;
1019         }
1020
1021         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1022         if (rtn == -1) {
1023                 r->out.error_string = NULL;
1024                 talloc_free(tmp_mem);
1025                 return NT_STATUS_NO_MEMORY;
1026         }
1027
1028         if (r2->out.kvno) {
1029                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1030                                          r2->out.kvno);
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         if (r2->out.domain_sid) {
1039                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1040                                             r2->out.domain_sid);
1041                 if (rtn == -1) {
1042                         r->out.error_string = NULL;
1043                         talloc_free(tmp_mem);
1044                         return NT_STATUS_NO_MEMORY;
1045                 }
1046         }
1047
1048         /*
1049          * search for the secret record
1050          * - remove the records we find
1051          * - and fetch the old secret and store it under priorSecret
1052          */
1053         ret = gendb_search(ldb,
1054                            tmp_mem, base_dn,
1055                            &msgs, attrs,
1056                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1057                            r2->out.domain_name, r2->out.realm);
1058         if (ret == 0) {
1059                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1060                 if (rtn == -1) {
1061                         r->out.error_string = NULL;
1062                         talloc_free(tmp_mem);
1063                         return NT_STATUS_NO_MEMORY;
1064                 }
1065         } else if (ret == -1) {
1066                 r->out.error_string
1067                         = talloc_asprintf(mem_ctx,
1068                                           "Search for domain: %s and realm: %s failed: %s",
1069                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1070                 talloc_free(tmp_mem);
1071                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1072         } else {
1073                 const struct ldb_val *private_keytab;
1074                 const struct ldb_val *krb5_keytab;
1075                 const struct ldb_val *prior_secret;
1076                 const struct ldb_val *prior_modified_time;
1077                 int i;
1078
1079                 for (i = 0; i < ret; i++) {
1080                         ldb_delete(ldb, msgs[i]->dn);
1081                 }
1082
1083                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1084                 if (prior_secret) {
1085                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1086                         if (rtn == -1) {
1087                                 r->out.error_string = NULL;
1088                                 talloc_free(tmp_mem);
1089                                 return NT_STATUS_NO_MEMORY;
1090                         }
1091                 }
1092                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1093                 if (rtn == -1) {
1094                         r->out.error_string = NULL;
1095                         talloc_free(tmp_mem);
1096                         return NT_STATUS_NO_MEMORY;
1097                 }
1098
1099                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1100                                                            "whenChanged");
1101                 if (prior_modified_time) {
1102                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1103                                                   prior_modified_time);
1104                         if (rtn == -1) {
1105                                 r->out.error_string = NULL;
1106                                 talloc_free(tmp_mem);
1107                                 return NT_STATUS_NO_MEMORY;
1108                         }
1109                 }
1110
1111                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1112                 if (rtn == -1) {
1113                         r->out.error_string = NULL;
1114                         talloc_free(tmp_mem);
1115                         return NT_STATUS_NO_MEMORY;
1116                 }
1117
1118                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1119                 if (rtn == -1) {
1120                         r->out.error_string = NULL;
1121                         talloc_free(tmp_mem);
1122                         return NT_STATUS_NO_MEMORY;
1123                 }
1124
1125                 /* We will want to keep the keytab names */
1126                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1127                 if (private_keytab) {
1128                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_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                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1136                 if (krb5_keytab) {
1137                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1138                         if (rtn == -1) {
1139                                 r->out.error_string = NULL;
1140                                 talloc_free(tmp_mem);
1141                                 return NT_STATUS_NO_MEMORY;
1142                         }
1143                 }
1144         }
1145
1146         /* create the secret */
1147         ret = samdb_add(ldb, tmp_mem, msg);
1148         if (ret != 0) {
1149                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1150                                                       ldb_dn_linearize(ldb, msg->dn));
1151                 talloc_free(tmp_mem);
1152                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1153         }
1154
1155         if (r2->out.realm) {
1156                 struct cli_credentials *creds;
1157                 /* Make a credentials structure from it */
1158                 creds = cli_credentials_init(mem_ctx);
1159                 if (!creds) {
1160                         r->out.error_string = NULL;
1161                         talloc_free(tmp_mem);
1162                         return NT_STATUS_NO_MEMORY;
1163                 }
1164                 cli_credentials_set_conf(creds);
1165                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1166                 status = cli_credentials_set_secrets(creds, NULL, filter);
1167                 if (!NT_STATUS_IS_OK(status)) {
1168                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s",
1169                                                               filter);
1170                         talloc_free(tmp_mem);
1171                         return status;
1172                 }
1173                 ret = cli_credentials_update_keytab(creds);
1174                 if (ret != 0) {
1175                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s",
1176                                                               filter);
1177                         talloc_free(tmp_mem);
1178                         return NT_STATUS_UNSUCCESSFUL;
1179                 }
1180         }
1181
1182         /* move all out parameter to the callers TALLOC_CTX */
1183         r->out.error_string     = NULL;
1184         r->out.join_password    = r2->out.join_password;
1185         talloc_steal(mem_ctx, r2->out.join_password);
1186         r->out.domain_sid       = r2->out.domain_sid;
1187         talloc_steal(mem_ctx, r2->out.domain_sid);
1188         r->out.domain_name      = r2->out.domain_name;
1189         talloc_steal(mem_ctx, r2->out.domain_name);
1190         talloc_free(tmp_mem);
1191         return NT_STATUS_OK;
1192 }
1193
1194 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1195 {
1196         switch (r->in.join_type) {
1197                 case SEC_CHAN_WKSTA:
1198                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1199                 case SEC_CHAN_BDC:
1200                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1201                 case SEC_CHAN_DOMAIN:
1202                         break;
1203         }
1204
1205         r->out.error_string = talloc_asprintf(mem_ctx,
1206                                               "Invalid join type specified (%08X) attempting to join domain %s",
1207                                               r->in.join_type, r->in.domain_name);
1208         return NT_STATUS_INVALID_PARAMETER;
1209 }