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 "auth/credentials/credentials_krb5.h"
  34 #include "librpc/gen_ndr/ndr_samr_c.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         unsigned int kvno;
  74
  75         const char * const attrs[] = {
  76                 "msDS-KeyVersionNumber",
  77                 "servicePrincipalName",
  78                 "dNSHostName",
  79                 NULL,
  80         };
  81
  82         r->out.error_string = NULL;
  83
  84         /* We need to convert between a samAccountName and domain to a
  85          * DN in the directory.  The correct way to do this is with
  86          * DRSUAPI CrackNames */
  87
  88         /* Fiddle with the bindings, so get to DRSUAPI on
  89          * NCACN_IP_TCP, sealed */
  90         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  91         if (!tmp_ctx) {
  92                 r->out.error_string = NULL;
  93                 return NT_STATUS_NO_MEMORY;
  94         }
  95
  96         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  97         if (!drsuapi_binding) {
  98                 r->out.error_string = NULL;
  99                 talloc_free(tmp_ctx);
 100                 return NT_STATUS_NO_MEMORY;
 101         }
 102
 103         *drsuapi_binding = *samr_binding;
 104
 105         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 106         if (drsuapi_binding->transport != NCALRPC) {
 107                 drsuapi_binding->transport = NCACN_IP_TCP;
 108         }
 109         drsuapi_binding->endpoint = NULL;
 110         drsuapi_binding->flags |= DCERPC_SEAL;
 111
 112         status = dcerpc_pipe_connect_b(tmp_ctx,
 113                                        &drsuapi_pipe,
 114                                        drsuapi_binding,
 115                                        &dcerpc_table_drsuapi,
 116                                        ctx->cred,
 117                                        ctx->event_ctx);
 118         if (!NT_STATUS_IS_OK(status)) {
 119                 r->out.error_string = talloc_asprintf(r,
 120                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 121                                         r->in.domain_name,
 122                                         nt_errstr(status));
 123                 talloc_free(tmp_ctx);
 124                 return status;
 125         }
 126
 127         /* get a DRSUAPI pipe handle */
 128         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 129
 130         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 131         r_drsuapi_bind.in.bind_info = NULL;
 132         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 133
 134         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 135         if (!NT_STATUS_IS_OK(status)) {
 136                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 137                         r->out.error_string
 138                                 = talloc_asprintf(r,
 139                                                   "dcerpc_drsuapi_DsBind failed - %s",
 140                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 141                         talloc_free(tmp_ctx);
 142                         return status;
 143                 } else {
 144                         r->out.error_string
 145                                 = talloc_asprintf(r,
 146                                                   "dcerpc_drsuapi_DsBind failed - %s",
 147                                                   nt_errstr(status));
 148                         talloc_free(tmp_ctx);
 149                         return status;
 150                 }
 151         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 152                 r->out.error_string
 153                                 = talloc_asprintf(r,
 154                                                   "DsBind failed - %s",
 155                                                   win_errstr(r_drsuapi_bind.out.result));
 156                         talloc_free(tmp_ctx);
 157                 return NT_STATUS_UNSUCCESSFUL;
 158         }
 159
 160         /* Actually 'crack' the names */
 161         ZERO_STRUCT(r_crack_names);
 162         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 163         r_crack_names.in.level                  = 1;
 164         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 165         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 166         r_crack_names.in.req.req1.count         = 1;
 167         r_crack_names.in.req.req1.names         = names;
 168         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 169         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 170         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 171         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 172         if (!names[0].str) {
 173                 r->out.error_string = NULL;
 174                 talloc_free(tmp_ctx);
 175                 return NT_STATUS_NO_MEMORY;
 176         }
 177
 178         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 179         if (!NT_STATUS_IS_OK(status)) {
 180                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 181                         r->out.error_string
 182                                 = talloc_asprintf(r,
 183                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 184                                                   names[0].str,
 185                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 186                         talloc_free(tmp_ctx);
 187                         return status;
 188                 } else {
 189                         r->out.error_string
 190                                 = talloc_asprintf(r,
 191                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 192                                                   names[0].str,
 193                                                   nt_errstr(status));
 194                         talloc_free(tmp_ctx);
 195                         return status;
 196                 }
 197         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 198                 r->out.error_string
 199                                 = talloc_asprintf(r,
 200                                                   "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 201                 talloc_free(tmp_ctx);
 202                 return NT_STATUS_UNSUCCESSFUL;
 203         } else if (r_crack_names.out.level != 1
 204                    || !r_crack_names.out.ctr.ctr1
 205                    || r_crack_names.out.ctr.ctr1->count != 1) {
 206                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 207                 talloc_free(tmp_ctx);
 208                 return NT_STATUS_INVALID_PARAMETER;
 209         } else if (r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 210                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: %d", r_crack_names.out.ctr.ctr1->array[0].status);
 211                 talloc_free(tmp_ctx);
 212                 return NT_STATUS_UNSUCCESSFUL;
 213         } else if (r_crack_names.out.ctr.ctr1->array[0].result_name == NULL) {
 214                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: no result name");
 215                 talloc_free(tmp_ctx);
 216                 return NT_STATUS_INVALID_PARAMETER;
 217         }
 218
 219         /* Store the DN of our machine account. */
 220         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 221
 222         account_dn = ldb_dn_new(tmp_ctx, remote_ldb, account_dn_str);
 223         if (! ldb_dn_validate(account_dn)) {
 224                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 225                                                       account_dn_str);
 226                 talloc_free(tmp_ctx);
 227                 return NT_STATUS_UNSUCCESSFUL;
 228         }
 229
 230         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 231
 232         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 233                                          drsuapi_binding->target_hostname);
 234         if (!remote_ldb_url) {
 235                 r->out.error_string = NULL;
 236                 talloc_free(tmp_ctx);
 237                 return NT_STATUS_NO_MEMORY;
 238         }
 239
 240         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 241                                       NULL, ctx->cred, 0, NULL);
 242         if (!remote_ldb) {
 243                 r->out.error_string = NULL;
 244                 talloc_free(tmp_ctx);
 245                 return NT_STATUS_UNSUCCESSFUL;
 246         }
 247
 248         /* search for the user's record */
 249         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 250                          NULL, attrs, &res);
 251         if (ret != LDB_SUCCESS) {
 252                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s",
 253                                                       account_dn_str, ldb_errstring(remote_ldb));
 254                 talloc_free(tmp_ctx);
 255                 return NT_STATUS_UNSUCCESSFUL;
 256         }
 257
 258         talloc_steal(tmp_ctx, res);
 259
 260         if (res->count != 1) {
 261                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - found %d entries",
 262                                                       account_dn_str, res->count);
 263                 talloc_free(tmp_ctx);
 264                 return NT_STATUS_UNSUCCESSFUL;
 265         }
 266
 267         /* If we have a kvno recorded in AD, we need it locally as well */
 268         kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 269
 270         /* Prepare a new message, for the modify */
 271         msg = ldb_msg_new(tmp_ctx);
 272         if (!msg) {
 273                 r->out.error_string = NULL;
 274                 talloc_free(tmp_ctx);
 275                 return NT_STATUS_NO_MEMORY;
 276         }
 277         msg->dn = res->msgs[0]->dn;
 278
 279         {
 280                 int i;
 281                 const char *service_principal_name[6];
 282                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 283                                                             talloc_asprintf(tmp_ctx,
 284                                                                             "%s.%s",
 285                                                                             r->in.netbios_name,
 286                                                                             realm));
 287
 288                 if (!dns_host_name) {
 289                         r->out.error_string = NULL;
 290                         talloc_free(tmp_ctx);
 291                         return NT_STATUS_NO_MEMORY;
 292                 }
 293
 294                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 295                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 296                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 297                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 298                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 299                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 300
 301                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 302                         if (!service_principal_name[i]) {
 303                                 r->out.error_string = NULL;
 304                                 talloc_free(tmp_ctx);
 305                                 return NT_STATUS_NO_MEMORY;
 306                         }
 307                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 308                         if (rtn == -1) {
 309                                 r->out.error_string = NULL;
 310                                 talloc_free(tmp_ctx);
 311                                 return NT_STATUS_NO_MEMORY;
 312                         }
 313                 }
 314
 315                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 316                 if (rtn == -1) {
 317                         r->out.error_string = NULL;
 318                         talloc_free(tmp_ctx);
 319                         return NT_STATUS_NO_MEMORY;
 320                 }
 321
 322                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 323                 if (rtn != 0) {
 324                         r->out.error_string
 325                                 = talloc_asprintf(r,
 326                                                   "Failed to replace entries on %s",
 327                                                   ldb_dn_get_linearized(msg->dn));
 328                         talloc_free(tmp_ctx);
 329                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 330                 }
 331         }
 332
 333         /* DsCrackNames to find out the DN of the domain. */
 334         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 335         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 336         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 337         if (!names[0].str) {
 338                 r->out.error_string = NULL;
 339                 talloc_free(tmp_ctx);
 340                 return NT_STATUS_NO_MEMORY;
 341         }
 342
 343         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 344         if (!NT_STATUS_IS_OK(status)) {
 345                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 346                         r->out.error_string
 347                                 = talloc_asprintf(r,
 348                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 349                                                   r->in.domain_name,
 350                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 351                         talloc_free(tmp_ctx);
 352                         return status;
 353                 } else {
 354                         r->out.error_string
 355                                 = talloc_asprintf(r,
 356                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 357                                                   r->in.domain_name,
 358                                                   nt_errstr(status));
 359                         talloc_free(tmp_ctx);
 360                         return status;
 361                 }
 362         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 363                 r->out.error_string
 364                         = talloc_asprintf(r,
 365                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 366                 talloc_free(tmp_ctx);
 367                 return NT_STATUS_UNSUCCESSFUL;
 368         } else if (r_crack_names.out.level != 1
 369                    || !r_crack_names.out.ctr.ctr1
 370                    || r_crack_names.out.ctr.ctr1->count != 1
 371                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 372                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 373                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 374                 talloc_free(tmp_ctx);
 375                 return NT_STATUS_UNSUCCESSFUL;
 376         }
 377
 378         /* Store the account DN. */
 379         r->out.account_dn_str = account_dn_str;
 380         talloc_steal(r, account_dn_str);
 381
 382         /* Store the domain DN. */
 383         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 384         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 385
 386         r->out.kvno = kvno;
 387
 388         if (r->in.acct_type == ACB_SVRTRUST) {
 389                 status = libnet_JoinSite(remote_ldb, r);
 390         }
 391         talloc_free(tmp_ctx);
 392
 393         return status;
 394 }
 395
 396 /*
 397  * do a domain join using DCERPC/SAMR calls
 398  * - connect to the LSA pipe, to try and find out information about the domain
 399  * - create a secondary connection to SAMR pipe
 400  * - do a samr_Connect to get a policy handle
 401  * - do a samr_LookupDomain to get the domain sid
 402  * - do a samr_OpenDomain to get a domain handle
 403  * - do a samr_CreateAccount to try and get a new account
 404  *
 405  * If that fails, do:
 406  * - do a samr_LookupNames to get the users rid
 407  * - do a samr_OpenUser to get a user handle
 408  * - potentially delete and recreate the user
 409  * - assert the account is of the right type with samrQueryUserInfo
 410  *
 411  * - call libnet_SetPassword_samr_handle to set the password
 412  *
 413  * - do a samrSetUserInfo to set the account flags
 414  * - do some ADS specific things when we join as Domain Controller,
 415  *    look at libnet_joinADSDomain() for the details
 416  */
 417 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 418 {
 419         TALLOC_CTX *tmp_ctx;
 420
 421         NTSTATUS status, cu_status;
 422
 423         struct libnet_RpcConnect *connect_with_info;
 424         struct dcerpc_pipe *samr_pipe;
 425
 426         struct samr_Connect sc;
 427         struct policy_handle p_handle;
 428         struct samr_OpenDomain od;
 429         struct policy_handle d_handle;
 430         struct samr_LookupNames ln;
 431         struct samr_OpenUser ou;
 432         struct samr_CreateUser2 cu;
 433         struct policy_handle *u_handle = NULL;
 434         struct samr_QueryUserInfo qui;
 435         struct samr_SetUserInfo sui;
 436         union samr_UserInfo u_info;
 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 LSA 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         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 481         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 482
 483         /*
 484           establish a SAMR connection, on the same CIFS transport
 485         */
 486         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 487         if (!NT_STATUS_IS_OK(status)) {
 488                 if (r->in.binding) {
 489                         r->out.error_string = talloc_asprintf(mem_ctx,
 490                                                               "Connection to SAMR pipe of DC %s failed: %s",
 491                                                               r->in.binding, connect_with_info->out.error_string);
 492                 } else {
 493                         r->out.error_string = talloc_asprintf(mem_ctx,
 494                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 495                                                               r->in.domain_name, connect_with_info->out.error_string);
 496                 }
 497                 talloc_free(tmp_ctx);
 498                 return status;
 499         }
 500
 501         samr_pipe = connect_with_info->out.dcerpc_pipe;
 502
 503         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 504                                   connect_with_info->out.dcerpc_pipe->binding,
 505                                   &dcerpc_table_samr, ctx->cred);
 506         if (!NT_STATUS_IS_OK(status)) {
 507                 r->out.error_string = talloc_asprintf(mem_ctx,
 508                                                 "SAMR bind failed: %s",
 509                                                 nt_errstr(status));
 510                 talloc_free(tmp_ctx);
 511                 return status;
 512         }
 513
 514         /* prepare samr_Connect */
 515         ZERO_STRUCT(p_handle);
 516         sc.in.system_name = NULL;
 517         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 518         sc.out.connect_handle = &p_handle;
 519
 520         /* 2. do a samr_Connect to get a policy handle */
 521         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 522         if (!NT_STATUS_IS_OK(status)) {
 523                 r->out.error_string = talloc_asprintf(mem_ctx,
 524                                                 "samr_Connect failed: %s",
 525                                                 nt_errstr(status));
 526                 talloc_free(tmp_ctx);
 527                 return status;
 528         }
 529
 530         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 531         if (!connect_with_info->out.domain_name) {
 532                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 533                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 534                 } else {
 535                         /* Bugger, we just lost our way to automaticly find the domain name */
 536                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 537                 }
 538         }
 539
 540         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 541         if (!connect_with_info->out.domain_sid) {
 542                 struct lsa_String name;
 543                 struct samr_LookupDomain l;
 544                 name.string = connect_with_info->out.domain_name;
 545                 l.in.connect_handle = &p_handle;
 546                 l.in.domain_name = &name;
 547
 548                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 549                 if (!NT_STATUS_IS_OK(status)) {
 550                         r->out.error_string = talloc_asprintf(mem_ctx,
 551                                                               "SAMR LookupDomain failed: %s",
 552                                                               nt_errstr(status));
 553                         talloc_free(tmp_ctx);
 554                         return status;
 555                 }
 556                 connect_with_info->out.domain_sid = l.out.sid;
 557         }
 558
 559         /* prepare samr_OpenDomain */
 560         ZERO_STRUCT(d_handle);
 561         od.in.connect_handle = &p_handle;
 562         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 563         od.in.sid = connect_with_info->out.domain_sid;
 564         od.out.domain_handle = &d_handle;
 565
 566         /* do a samr_OpenDomain to get a domain handle */
 567         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 568         if (!NT_STATUS_IS_OK(status)) {
 569                 r->out.error_string = talloc_asprintf(mem_ctx,
 570                                                       "samr_OpenDomain for [%s] failed: %s",
 571                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 572                                                       nt_errstr(status));
 573                 talloc_free(tmp_ctx);
 574                 return status;
 575         }
 576
 577         /* prepare samr_CreateUser2 */
 578         ZERO_STRUCTP(u_handle);
 579         cu.in.domain_handle  = &d_handle;
 580         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 581         samr_account_name.string = r->in.account_name;
 582         cu.in.account_name    = &samr_account_name;
 583         cu.in.acct_flags      = r->in.acct_type;
 584         cu.out.user_handle    = u_handle;
 585         cu.out.rid            = &rid;
 586         cu.out.access_granted = &access_granted;
 587
 588         /* do a samr_CreateUser2 to get an account handle, or an error */
 589         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 590         status = cu_status;
 591         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 592                 /* prepare samr_LookupNames */
 593                 ln.in.domain_handle = &d_handle;
 594                 ln.in.num_names = 1;
 595                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 596                 if (!ln.in.names) {
 597                         r->out.error_string = NULL;
 598                         talloc_free(tmp_ctx);
 599                         return NT_STATUS_NO_MEMORY;
 600                 }
 601                 ln.in.names[0].string = r->in.account_name;
 602
 603                 /* 5. do a samr_LookupNames to get the users rid */
 604                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 605                 if (!NT_STATUS_IS_OK(status)) {
 606                         r->out.error_string = talloc_asprintf(mem_ctx,
 607                                                 "samr_LookupNames for [%s] failed: %s",
 608                                                 r->in.account_name,
 609                                                 nt_errstr(status));
 610                         talloc_free(tmp_ctx);
 611                         return status;
 612                 }
 613
 614                 /* check if we got one RID for the user */
 615                 if (ln.out.rids.count != 1) {
 616                         r->out.error_string = talloc_asprintf(mem_ctx,
 617                                                               "samr_LookupNames for [%s] returns %d RIDs",
 618                                                               r->in.account_name, ln.out.rids.count);
 619                         talloc_free(tmp_ctx);
 620                         return NT_STATUS_INVALID_PARAMETER;
 621                 }
 622
 623                 /* prepare samr_OpenUser */
 624                 ZERO_STRUCTP(u_handle);
 625                 ou.in.domain_handle = &d_handle;
 626                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 627                 ou.in.rid = ln.out.rids.ids[0];
 628                 rid = ou.in.rid;
 629                 ou.out.user_handle = u_handle;
 630
 631                 /* 6. do a samr_OpenUser to get a user handle */
 632                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 633                 if (!NT_STATUS_IS_OK(status)) {
 634                         r->out.error_string = talloc_asprintf(mem_ctx,
 635                                                         "samr_OpenUser for [%s] failed: %s",
 636                                                         r->in.account_name,
 637                                                         nt_errstr(status));
 638                         talloc_free(tmp_ctx);
 639                         return status;
 640                 }
 641
 642                 if (r->in.recreate_account) {
 643                         struct samr_DeleteUser d;
 644                         d.in.user_handle = u_handle;
 645                         d.out.user_handle = u_handle;
 646                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 647                         if (!NT_STATUS_IS_OK(status)) {
 648                                 r->out.error_string = talloc_asprintf(mem_ctx,
 649                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 650                                                                       r->in.account_name,
 651                                                                       nt_errstr(status));
 652                                 talloc_free(tmp_ctx);
 653                                 return status;
 654                         }
 655
 656                         /* We want to recreate, so delete and another samr_CreateUser2 */
 657
 658                         /* &cu filled in above */
 659                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 660                         if (!NT_STATUS_IS_OK(status)) {
 661                                 r->out.error_string = talloc_asprintf(mem_ctx,
 662                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 663                                                                       r->in.account_name, nt_errstr(status));
 664                                 talloc_free(tmp_ctx);
 665                                 return status;
 666                         }
 667                 }
 668         } else if (!NT_STATUS_IS_OK(status)) {
 669                 r->out.error_string = talloc_asprintf(mem_ctx,
 670                                                       "samr_CreateUser2 for [%s] failed: %s",
 671                                                       r->in.account_name, nt_errstr(status));
 672                 talloc_free(tmp_ctx);
 673                 return status;
 674         }
 675
 676         /* prepare samr_QueryUserInfo (get flags) */
 677         qui.in.user_handle = u_handle;
 678         qui.in.level = 16;
 679
 680         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 681         if (!NT_STATUS_IS_OK(status)) {
 682                 r->out.error_string = talloc_asprintf(mem_ctx,
 683                                                 "samr_QueryUserInfo for [%s] failed: %s",
 684                                                 r->in.account_name,
 685                                                 nt_errstr(status));
 686                 talloc_free(tmp_ctx);
 687                 return status;
 688         }
 689
 690         if (!qui.out.info) {
 691                 status = NT_STATUS_INVALID_PARAMETER;
 692                 r->out.error_string
 693                         = talloc_asprintf(mem_ctx,
 694                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 695                                           r->in.account_name, nt_errstr(status));
 696                 talloc_free(tmp_ctx);
 697                 return status;
 698         }
 699
 700         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 701         /* Possibly bail if the account is of the wrong type */
 702         if (old_acct_flags
 703             != r->in.acct_type) {
 704                 const char *old_account_type, *new_account_type;
 705                 switch (old_acct_flags) {
 706                 case ACB_WSTRUST:
 707                         old_account_type = "domain member (member)";
 708                         break;
 709                 case ACB_SVRTRUST:
 710                         old_account_type = "domain controller (bdc)";
 711                         break;
 712                 case ACB_DOMTRUST:
 713                         old_account_type = "trusted domain";
 714                         break;
 715                 default:
 716                         return NT_STATUS_INVALID_PARAMETER;
 717                 }
 718                 switch (r->in.acct_type) {
 719                 case ACB_WSTRUST:
 720                         new_account_type = "domain member (member)";
 721                         break;
 722                 case ACB_SVRTRUST:
 723                         new_account_type = "domain controller (bdc)";
 724                         break;
 725                 case ACB_DOMTRUST:
 726                         new_account_type = "trusted domain";
 727                         break;
 728                 default:
 729                         return NT_STATUS_INVALID_PARAMETER;
 730                 }
 731
 732                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 733                         /* We created a new user, but they didn't come out the right type?!? */
 734                         r->out.error_string
 735                                 = talloc_asprintf(mem_ctx,
 736                                                   "We asked to create a new machine account (%s) of type %s, "
 737                                                   "but we got an account of type %s.  This is unexpected.  "
 738                                                   "Perhaps delete the account and try again.",
 739                                                   r->in.account_name, new_account_type, old_account_type);
 740                         talloc_free(tmp_ctx);
 741                         return NT_STATUS_INVALID_PARAMETER;
 742                 } else {
 743                         /* The account is of the wrong type, so bail */
 744
 745                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 746                         r->out.error_string
 747                                 = talloc_asprintf(mem_ctx,
 748                                                   "The machine account (%s) already exists in the domain %s, "
 749                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 750                                                   "the account and try again.",
 751                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 752                         talloc_free(tmp_ctx);
 753                         return NT_STATUS_USER_EXISTS;
 754                 }
 755         } else {
 756                 acct_flags = qui.out.info->info16.acct_flags;
 757         }
 758
 759         acct_flags = (acct_flags & ~ACB_DISABLED);
 760
 761         /* Find out what password policy this user has */
 762         pwp.in.user_handle = u_handle;
 763
 764         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 765         if (NT_STATUS_IS_OK(status)) {
 766                 policy_min_pw_len = pwp.out.info.min_password_length;
 767         }
 768
 769         /* Grab a password of that minimum length */
 770
 771         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 772
 773         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 774         r2.samr_handle.in.account_name  = r->in.account_name;
 775         r2.samr_handle.in.newpassword   = password_str;
 776         r2.samr_handle.in.user_handle   = u_handle;
 777         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 778
 779         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 780         if (!NT_STATUS_IS_OK(status)) {
 781                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 782                 talloc_free(tmp_ctx);
 783                 return status;
 784         }
 785
 786         /* reset flags (if required) */
 787         if (acct_flags != qui.out.info->info16.acct_flags) {
 788                 ZERO_STRUCT(u_info);
 789                 u_info.info16.acct_flags = acct_flags;
 790
 791                 sui.in.user_handle = u_handle;
 792                 sui.in.info = &u_info;
 793                 sui.in.level = 16;
 794
 795                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 796                 if (!NT_STATUS_IS_OK(status)) {
 797                         r->out.error_string = talloc_asprintf(mem_ctx,
 798                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 799                                                         r->in.account_name,
 800                                                         nt_errstr(status));
 801                         talloc_free(tmp_ctx);
 802                         return status;
 803                 }
 804         }
 805
 806         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 807         if (!account_sid) {
 808                 r->out.error_string = NULL;
 809                 talloc_free(tmp_ctx);
 810                 return NT_STATUS_NO_MEMORY;
 811         }
 812
 813         /* Finish out by pushing various bits of status data out for the caller to use */
 814         r->out.join_password = password_str;
 815         talloc_steal(mem_ctx, r->out.join_password);
 816
 817         r->out.domain_sid = connect_with_info->out.domain_sid;
 818         talloc_steal(mem_ctx, r->out.domain_sid);
 819
 820         r->out.account_sid = account_sid;
 821         talloc_steal(mem_ctx, r->out.account_sid);
 822
 823         r->out.domain_name = connect_with_info->out.domain_name;
 824         talloc_steal(mem_ctx, r->out.domain_name);
 825         r->out.realm = connect_with_info->out.realm;
 826         talloc_steal(mem_ctx, r->out.realm);
 827         r->out.samr_pipe = samr_pipe;
 828         talloc_steal(mem_ctx, samr_pipe);
 829         r->out.samr_binding = samr_pipe->binding;
 830         talloc_steal(mem_ctx, r->out.samr_binding);
 831         r->out.user_handle = u_handle;
 832         talloc_steal(mem_ctx, u_handle);
 833         r->out.error_string = r2.samr_handle.out.error_string;
 834         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 835         r->out.kvno = 0;
 836         r->out.server_dn_str = NULL;
 837         talloc_free(tmp_ctx);
 838
 839         /* Now, if it was AD, then we want to start looking changing a
 840          * few more things.  Otherwise, we are done. */
 841         if (r->out.realm) {
 842                 status = libnet_JoinADSDomain(ctx, r);
 843                 return status;
 844         }
 845
 846         return status;
 847 }
 848
 849 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 850                                            TALLOC_CTX *mem_ctx,
 851                                            struct libnet_Join *r)
 852 {
 853         NTSTATUS status;
 854         TALLOC_CTX *tmp_mem;
 855         struct libnet_JoinDomain *r2;
 856         int ret, rtn;
 857         struct ldb_context *ldb;
 858         struct ldb_dn *base_dn;
 859         struct ldb_message **msgs, *msg;
 860         const char *sct;
 861         const char * const attrs[] = {
 862                 "whenChanged",
 863                 "secret",
 864                 "priorSecret",
 865                 "priorChanged",
 866                 "krb5Keytab",
 867                 "privateKeytab",
 868                 NULL
 869         };
 870         uint32_t acct_type = 0;
 871         const char *account_name;
 872         const char *netbios_name;
 873         char *filter;
 874
 875         r->out.error_string = NULL;
 876
 877         tmp_mem = talloc_new(mem_ctx);
 878         if (!tmp_mem) {
 879                 return NT_STATUS_NO_MEMORY;
 880         }
 881
 882         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 883         if (!r2) {
 884                 r->out.error_string = NULL;
 885                 talloc_free(tmp_mem);
 886                 return NT_STATUS_NO_MEMORY;
 887         }
 888
 889         if (r->in.join_type == SEC_CHAN_BDC) {
 890                 acct_type = ACB_SVRTRUST;
 891         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 892                 acct_type = ACB_WSTRUST;
 893         } else {
 894                 r->out.error_string = NULL;
 895                 talloc_free(tmp_mem);
 896                 return NT_STATUS_INVALID_PARAMETER;
 897         }
 898
 899         if (r->in.netbios_name != NULL) {
 900                 netbios_name = r->in.netbios_name;
 901         } else {
 902                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 903                 if (!netbios_name) {
 904                         r->out.error_string = NULL;
 905                         talloc_free(tmp_mem);
 906                         return NT_STATUS_NO_MEMORY;
 907                 }
 908         }
 909
 910         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 911         if (!account_name) {
 912                 r->out.error_string = NULL;
 913                 talloc_free(tmp_mem);
 914                 return NT_STATUS_NO_MEMORY;
 915         }
 916
 917         /*
 918          * Local secrets are stored in secrets.ldb
 919          * open it to make sure we can write the info into it after the join
 920          */
 921         ldb = secrets_db_connect(tmp_mem);
 922         if (!ldb) {
 923                 r->out.error_string
 924                         = talloc_asprintf(mem_ctx,
 925                                           "Could not open secrets database");
 926                 talloc_free(tmp_mem);
 927                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 928         }
 929
 930         /*
 931          * join the domain
 932          */
 933         ZERO_STRUCTP(r2);
 934         r2->in.domain_name      = r->in.domain_name;
 935         r2->in.account_name     = account_name;
 936         r2->in.netbios_name     = netbios_name;
 937         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 938         r2->in.acct_type        = acct_type;
 939         r2->in.recreate_account = False;
 940         status = libnet_JoinDomain(ctx, r2, r2);
 941         if (!NT_STATUS_IS_OK(status)) {
 942                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 943                 talloc_free(tmp_mem);
 944                 return status;
 945         }
 946
 947         /*
 948          * now prepare the record for secrets.ldb
 949          */
 950         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 951         if (!sct) {
 952                 r->out.error_string = NULL;
 953                 talloc_free(tmp_mem);
 954                 return NT_STATUS_NO_MEMORY;
 955         }
 956
 957         msg = ldb_msg_new(tmp_mem);
 958         if (!msg) {
 959                 r->out.error_string = NULL;
 960                 talloc_free(tmp_mem);
 961                 return NT_STATUS_NO_MEMORY;
 962         }
 963
 964         base_dn = ldb_dn_new(tmp_mem, ldb, "cn=Primary Domains");
 965         if (!base_dn) {
 966                 r->out.error_string = NULL;
 967                 talloc_free(tmp_mem);
 968                 return NT_STATUS_NO_MEMORY;
 969         }
 970
 971         msg->dn = ldb_dn_copy(tmp_mem, base_dn);
 972         if ( ! ldb_dn_add_child_fmt(msg->dn, "flatname=%s", r2->out.domain_name)) {
 973                 r->out.error_string = NULL;
 974                 talloc_free(tmp_mem);
 975                 return NT_STATUS_NO_MEMORY;
 976         }
 977
 978         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 979         if (rtn == -1) {
 980                 r->out.error_string = NULL;
 981                 talloc_free(tmp_mem);
 982                 return NT_STATUS_NO_MEMORY;
 983         }
 984
 985         if (r2->out.realm) {
 986                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 987                 if (rtn == -1) {
 988                         r->out.error_string = NULL;
 989                         talloc_free(tmp_mem);
 990                         return NT_STATUS_NO_MEMORY;
 991                 }
 992
 993                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 994                 if (rtn == -1) {
 995                         r->out.error_string = NULL;
 996                         talloc_free(tmp_mem);
 997                         return NT_STATUS_NO_MEMORY;
 998                 }
 999         }
1000
1001         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
1002         if (rtn == -1) {
1003                 r->out.error_string = NULL;
1004                 talloc_free(tmp_mem);
1005                 return NT_STATUS_NO_MEMORY;
1006         }
1007
1008         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1009         if (rtn == -1) {
1010                 r->out.error_string = NULL;
1011                 talloc_free(tmp_mem);
1012                 return NT_STATUS_NO_MEMORY;
1013         }
1014
1015         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1016         if (rtn == -1) {
1017                 r->out.error_string = NULL;
1018                 talloc_free(tmp_mem);
1019                 return NT_STATUS_NO_MEMORY;
1020         }
1021
1022         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1023         if (rtn == -1) {
1024                 r->out.error_string = NULL;
1025                 talloc_free(tmp_mem);
1026                 return NT_STATUS_NO_MEMORY;
1027         }
1028
1029         if (r2->out.kvno) {
1030                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1031                                          r2->out.kvno);
1032                 if (rtn == -1) {
1033                         r->out.error_string = NULL;
1034                         talloc_free(tmp_mem);
1035                         return NT_STATUS_NO_MEMORY;
1036                 }
1037         }
1038
1039         if (r2->out.domain_sid) {
1040                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1041                                             r2->out.domain_sid);
1042                 if (rtn == -1) {
1043                         r->out.error_string = NULL;
1044                         talloc_free(tmp_mem);
1045                         return NT_STATUS_NO_MEMORY;
1046                 }
1047         }
1048
1049         /*
1050          * search for the secret record
1051          * - remove the records we find
1052          * - and fetch the old secret and store it under priorSecret
1053          */
1054         ret = gendb_search(ldb,
1055                            tmp_mem, base_dn,
1056                            &msgs, attrs,
1057                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1058                            r2->out.domain_name, r2->out.realm);
1059         if (ret == 0) {
1060                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1061                 if (rtn == -1) {
1062                         r->out.error_string = NULL;
1063                         talloc_free(tmp_mem);
1064                         return NT_STATUS_NO_MEMORY;
1065                 }
1066         } else if (ret == -1) {
1067                 r->out.error_string
1068                         = talloc_asprintf(mem_ctx,
1069                                           "Search for domain: %s and realm: %s failed: %s",
1070                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1071                 talloc_free(tmp_mem);
1072                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1073         } else {
1074                 const struct ldb_val *private_keytab;
1075                 const struct ldb_val *krb5_keytab;
1076                 const struct ldb_val *prior_secret;
1077                 const struct ldb_val *prior_modified_time;
1078                 int i;
1079
1080                 for (i = 0; i < ret; i++) {
1081                         ldb_delete(ldb, msgs[i]->dn);
1082                 }
1083
1084                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1085                 if (prior_secret) {
1086                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1087                         if (rtn == -1) {
1088                                 r->out.error_string = NULL;
1089                                 talloc_free(tmp_mem);
1090                                 return NT_STATUS_NO_MEMORY;
1091                         }
1092                 }
1093                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1094                 if (rtn == -1) {
1095                         r->out.error_string = NULL;
1096                         talloc_free(tmp_mem);
1097                         return NT_STATUS_NO_MEMORY;
1098                 }
1099
1100                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1101                                                            "whenChanged");
1102                 if (prior_modified_time) {
1103                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1104                                                   prior_modified_time);
1105                         if (rtn == -1) {
1106                                 r->out.error_string = NULL;
1107                                 talloc_free(tmp_mem);
1108                                 return NT_STATUS_NO_MEMORY;
1109                         }
1110                 }
1111
1112                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1113                 if (rtn == -1) {
1114                         r->out.error_string = NULL;
1115                         talloc_free(tmp_mem);
1116                         return NT_STATUS_NO_MEMORY;
1117                 }
1118
1119                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1120                 if (rtn == -1) {
1121                         r->out.error_string = NULL;
1122                         talloc_free(tmp_mem);
1123                         return NT_STATUS_NO_MEMORY;
1124                 }
1125
1126                 /* We will want to keep the keytab names */
1127                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1128                 if (private_keytab) {
1129                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1130                         if (rtn == -1) {
1131                                 r->out.error_string = NULL;
1132                                 talloc_free(tmp_mem);
1133                                 return NT_STATUS_NO_MEMORY;
1134                         }
1135                 }
1136                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1137                 if (krb5_keytab) {
1138                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1139                         if (rtn == -1) {
1140                                 r->out.error_string = NULL;
1141                                 talloc_free(tmp_mem);
1142                                 return NT_STATUS_NO_MEMORY;
1143                         }
1144                 }
1145         }
1146
1147         /* create the secret */
1148         ret = samdb_add(ldb, tmp_mem, msg);
1149         if (ret != 0) {
1150                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1151                                                       ldb_dn_get_linearized(msg->dn));
1152                 talloc_free(tmp_mem);
1153                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1154         }
1155
1156         if (r2->out.realm) {
1157                 struct cli_credentials *creds;
1158                 /* Make a credentials structure from it */
1159                 creds = cli_credentials_init(mem_ctx);
1160                 if (!creds) {
1161                         r->out.error_string = NULL;
1162                         talloc_free(tmp_mem);
1163                         return NT_STATUS_NO_MEMORY;
1164                 }
1165                 cli_credentials_set_conf(creds);
1166                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_get_linearized(msg->dn));
1167                 status = cli_credentials_set_secrets(creds, NULL, filter);
1168                 if (!NT_STATUS_IS_OK(status)) {
1169                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s",
1170                                                               filter);
1171                         talloc_free(tmp_mem);
1172                         return status;
1173                 }
1174                 ret = cli_credentials_update_keytab(creds);
1175                 if (ret != 0) {
1176                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s",
1177                                                               filter);
1178                         talloc_free(tmp_mem);
1179                         return NT_STATUS_UNSUCCESSFUL;
1180                 }
1181         }
1182
1183         /* move all out parameter to the callers TALLOC_CTX */
1184         r->out.error_string     = NULL;
1185         r->out.join_password    = r2->out.join_password;
1186         talloc_steal(mem_ctx, r2->out.join_password);
1187         r->out.domain_sid       = r2->out.domain_sid;
1188         talloc_steal(mem_ctx, r2->out.domain_sid);
1189         r->out.domain_name      = r2->out.domain_name;
1190         talloc_steal(mem_ctx, r2->out.domain_name);
1191         talloc_free(tmp_mem);
1192         return NT_STATUS_OK;
1193 }
1194
1195 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1196 {
1197         switch (r->in.join_type) {
1198                 case SEC_CHAN_WKSTA:
1199                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1200                 case SEC_CHAN_BDC:
1201                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1202                 case SEC_CHAN_DOMAIN:
1203                         break;
1204         }
1205
1206         r->out.error_string = talloc_asprintf(mem_ctx,
1207                                               "Invalid join type specified (%08X) attempting to join domain %s",
1208                                               r->in.join_type, r->in.domain_name);
1209         return NT_STATUS_INVALID_PARAMETER;
1210 }