source4/libnet/libnet_join.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher      2004
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   6    Copyright (C) Brad Henry 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libnet/libnet.h"
  25 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "passdb/secrets.h"
  29 #include "dsdb/samdb/samdb.h"
  30 #include "db_wrap.h"
  31 #include "libcli/security/security.h"
  32 #include "auth/credentials/credentials.h"
  33 #include "librpc/gen_ndr/ndr_samr_c.h"
  34
  35 /*
  36  * complete a domain join, when joining to a AD domain:
  37  * 1.) connect and bind to the DRSUAPI pipe
  38  * 2.) do a DsCrackNames() to find the machine account dn
  39  * 3.) connect to LDAP
  40  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  41  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  42  * 6.) do a DsCrackNames() to find the domain dn
  43  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  44  */
  45 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  46 {
  47         NTSTATUS status;
  48
  49         TALLOC_CTX *tmp_ctx;
  50
  51         const char *realm = r->out.realm;
  52
  53         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  54
  55         struct dcerpc_pipe *drsuapi_pipe;
  56         struct dcerpc_binding *drsuapi_binding;
  57         struct drsuapi_DsBind r_drsuapi_bind;
  58         struct drsuapi_DsCrackNames r_crack_names;
  59         struct drsuapi_DsNameString names[1];
  60         struct policy_handle drsuapi_bind_handle;
  61         struct GUID drsuapi_bind_guid;
  62
  63         struct ldb_context *remote_ldb;
  64         const struct ldb_dn *account_dn;
  65         const char *account_dn_str;
  66         const char *remote_ldb_url;
  67         struct ldb_result *res;
  68         struct ldb_message *msg;
  69
  70         int ret, rtn;
  71
  72         unsigned int kvno;
  73
  74         const char * const attrs[] = {
  75                 "msDS-KeyVersionNumber",
  76                 "servicePrincipalName",
  77                 "dNSHostName",
  78                 NULL,
  79         };
  80
  81         r->out.error_string = NULL;
  82
  83         /* We need to convert between a samAccountName and domain to a
  84          * DN in the directory.  The correct way to do this is with
  85          * DRSUAPI CrackNames */
  86
  87         /* Fiddle with the bindings, so get to DRSUAPI on
  88          * NCACN_IP_TCP, sealed */
  89         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  90         if (!tmp_ctx) {
  91                 r->out.error_string = NULL;
  92                 return NT_STATUS_NO_MEMORY;
  93         }
  94
  95         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  96         if (!drsuapi_binding) {
  97                 r->out.error_string = NULL;
  98                 talloc_free(tmp_ctx);
  99                 return NT_STATUS_NO_MEMORY;
 100         }
 101
 102         *drsuapi_binding = *samr_binding;
 103
 104         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 105         if (drsuapi_binding->transport != NCALRPC) {
 106                 drsuapi_binding->transport = NCACN_IP_TCP;
 107         }
 108         drsuapi_binding->endpoint = NULL;
 109         drsuapi_binding->flags |= DCERPC_SEAL;
 110
 111         status = dcerpc_pipe_connect_b(tmp_ctx,
 112                                        &drsuapi_pipe,
 113                                        drsuapi_binding,
 114                                        &dcerpc_table_drsuapi,
 115                                        ctx->cred,
 116                                        ctx->event_ctx);
 117         if (!NT_STATUS_IS_OK(status)) {
 118                 r->out.error_string = talloc_asprintf(r,
 119                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 120                                         r->in.domain_name,
 121                                         nt_errstr(status));
 122                 talloc_free(tmp_ctx);
 123                 return status;
 124         }
 125
 126         /* get a DRSUAPI pipe handle */
 127         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 128
 129         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 130         r_drsuapi_bind.in.bind_info = NULL;
 131         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 132
 133         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 134         if (!NT_STATUS_IS_OK(status)) {
 135                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 136                         r->out.error_string
 137                                 = talloc_asprintf(r,
 138                                                   "dcerpc_drsuapi_DsBind failed - %s",
 139                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 140                         talloc_free(tmp_ctx);
 141                         return status;
 142                 } else {
 143                         r->out.error_string
 144                                 = talloc_asprintf(r,
 145                                                   "dcerpc_drsuapi_DsBind failed - %s",
 146                                                   nt_errstr(status));
 147                         talloc_free(tmp_ctx);
 148                         return status;
 149                 }
 150         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 151                 r->out.error_string
 152                                 = talloc_asprintf(r,
 153                                                   "DsBind failed - %s",
 154                                                   win_errstr(r_drsuapi_bind.out.result));
 155                         talloc_free(tmp_ctx);
 156                 return NT_STATUS_UNSUCCESSFUL;
 157         }
 158
 159         /* Actually 'crack' the names */
 160         ZERO_STRUCT(r_crack_names);
 161         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 162         r_crack_names.in.level                  = 1;
 163         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 164         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 165         r_crack_names.in.req.req1.count         = 1;
 166         r_crack_names.in.req.req1.names         = names;
 167         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 168         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 169         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 170         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 171         if (!names[0].str) {
 172                 r->out.error_string = NULL;
 173                 talloc_free(tmp_ctx);
 174                 return NT_STATUS_NO_MEMORY;
 175         }
 176
 177         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 178         if (!NT_STATUS_IS_OK(status)) {
 179                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 180                         r->out.error_string
 181                                 = talloc_asprintf(r,
 182                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 183                                                   names[0].str,
 184                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 185                         talloc_free(tmp_ctx);
 186                         return status;
 187                 } else {
 188                         r->out.error_string
 189                                 = talloc_asprintf(r,
 190                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 191                                                   names[0].str,
 192                                                   nt_errstr(status));
 193                         talloc_free(tmp_ctx);
 194                         return status;
 195                 }
 196         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 197                 r->out.error_string
 198                                 = talloc_asprintf(r,
 199                                                   "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 200                 talloc_free(tmp_ctx);
 201                 return NT_STATUS_UNSUCCESSFUL;
 202         } else if (r_crack_names.out.level != 1
 203                    || !r_crack_names.out.ctr.ctr1
 204                    || r_crack_names.out.ctr.ctr1->count != 1) {
 205                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 206                 talloc_free(tmp_ctx);
 207                 return NT_STATUS_INVALID_PARAMETER;
 208         } else if (r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 209                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: %d", r_crack_names.out.ctr.ctr1->array[0].status);
 210                 talloc_free(tmp_ctx);
 211                 return NT_STATUS_UNSUCCESSFUL;
 212         } else if (r_crack_names.out.ctr.ctr1->array[0].result_name == NULL) {
 213                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: no result name");
 214                 talloc_free(tmp_ctx);
 215                 return NT_STATUS_INVALID_PARAMETER;
 216         }
 217
 218         /* Store the DN of our machine account. */
 219         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 220
 221         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 222         if (!account_dn) {
 223                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 224                                                       account_dn_str);
 225                 talloc_free(tmp_ctx);
 226                 return NT_STATUS_UNSUCCESSFUL;
 227         }
 228
 229         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 230
 231         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 232                                          drsuapi_binding->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         talloc_steal(tmp_ctx, res);
 251         if (ret != LDB_SUCCESS || res->count != 1) {
 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         /* If we have a kvno recorded in AD, we need it locally as well */
 259         kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 260
 261         /* Prepare a new message, for the modify */
 262         msg = ldb_msg_new(tmp_ctx);
 263         if (!msg) {
 264                 r->out.error_string = NULL;
 265                 talloc_free(tmp_ctx);
 266                 return NT_STATUS_NO_MEMORY;
 267         }
 268         msg->dn = res->msgs[0]->dn;
 269
 270         {
 271                 int i;
 272                 const char *service_principal_name[6];
 273                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 274                                                             talloc_asprintf(tmp_ctx,
 275                                                                             "%s.%s",
 276                                                                             r->in.netbios_name,
 277                                                                             realm));
 278
 279                 if (!dns_host_name) {
 280                         r->out.error_string = NULL;
 281                         talloc_free(tmp_ctx);
 282                         return NT_STATUS_NO_MEMORY;
 283                 }
 284
 285                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 286                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 287                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 288                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 289                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 290                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 291
 292                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 293                         if (!service_principal_name[i]) {
 294                                 r->out.error_string = NULL;
 295                                 talloc_free(tmp_ctx);
 296                                 return NT_STATUS_NO_MEMORY;
 297                         }
 298                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 299                         if (rtn == -1) {
 300                                 r->out.error_string = NULL;
 301                                 talloc_free(tmp_ctx);
 302                                 return NT_STATUS_NO_MEMORY;
 303                         }
 304                 }
 305
 306                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 307                 if (rtn == -1) {
 308                         r->out.error_string = NULL;
 309                         talloc_free(tmp_ctx);
 310                         return NT_STATUS_NO_MEMORY;
 311                 }
 312
 313                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 314                 if (rtn != 0) {
 315                         r->out.error_string
 316                                 = talloc_asprintf(r,
 317                                                   "Failed to replace entries on %s",
 318                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 319                         talloc_free(tmp_ctx);
 320                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 321                 }
 322         }
 323
 324         /* DsCrackNames to find out the DN of the domain. */
 325         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 326         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 327         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 328         if (!names[0].str) {
 329                 r->out.error_string = NULL;
 330                 talloc_free(tmp_ctx);
 331                 return NT_STATUS_NO_MEMORY;
 332         }
 333
 334         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 335         if (!NT_STATUS_IS_OK(status)) {
 336                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 337                         r->out.error_string
 338                                 = talloc_asprintf(r,
 339                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 340                                                   r->in.domain_name,
 341                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 342                         talloc_free(tmp_ctx);
 343                         return status;
 344                 } else {
 345                         r->out.error_string
 346                                 = talloc_asprintf(r,
 347                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 348                                                   r->in.domain_name,
 349                                                   nt_errstr(status));
 350                         talloc_free(tmp_ctx);
 351                         return status;
 352                 }
 353         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 354                 r->out.error_string
 355                         = talloc_asprintf(r,
 356                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 357                 talloc_free(tmp_ctx);
 358                 return NT_STATUS_UNSUCCESSFUL;
 359         } else if (r_crack_names.out.level != 1
 360                    || !r_crack_names.out.ctr.ctr1
 361                    || r_crack_names.out.ctr.ctr1->count != 1
 362                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 363                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 364                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 365                 talloc_free(tmp_ctx);
 366                 return NT_STATUS_UNSUCCESSFUL;
 367         }
 368
 369         /* Store the account DN. */
 370         r->out.account_dn_str = account_dn_str;
 371         talloc_steal(r, account_dn_str);
 372
 373         /* Store the domain DN. */
 374         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 375         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 376
 377         r->out.kvno = kvno;
 378
 379         if (r->in.acct_type == ACB_SVRTRUST) {
 380                 status = libnet_JoinSite(remote_ldb, r);
 381         }
 382         talloc_free(tmp_ctx);
 383
 384         return status;
 385 }
 386
 387 /*
 388  * do a domain join using DCERPC/SAMR calls
 389  * - connect to the LSA pipe, to try and find out information about the domain
 390  * - create a secondary connection to SAMR pipe
 391  * - do a samr_Connect to get a policy handle
 392  * - do a samr_LookupDomain to get the domain sid
 393  * - do a samr_OpenDomain to get a domain handle
 394  * - do a samr_CreateAccount to try and get a new account
 395  *
 396  * If that fails, do:
 397  * - do a samr_LookupNames to get the users rid
 398  * - do a samr_OpenUser to get a user handle
 399  * - potentially delete and recreate the user
 400  * - assert the account is of the right type with samrQueryUserInfo
 401  *
 402  * - call libnet_SetPassword_samr_handle to set the password
 403  *
 404  * - do a samrSetUserInfo to set the account flags
 405  * - do some ADS specific things when we join as Domain Controller,
 406  *    look at libnet_joinADSDomain() for the details
 407  */
 408 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 409 {
 410         TALLOC_CTX *tmp_ctx;
 411
 412         NTSTATUS status, cu_status;
 413
 414         struct libnet_RpcConnect *connect_with_info;
 415         struct dcerpc_pipe *samr_pipe;
 416
 417         struct samr_Connect sc;
 418         struct policy_handle p_handle;
 419         struct samr_OpenDomain od;
 420         struct policy_handle d_handle;
 421         struct samr_LookupNames ln;
 422         struct samr_OpenUser ou;
 423         struct samr_CreateUser2 cu;
 424         struct policy_handle *u_handle = NULL;
 425         struct samr_QueryUserInfo qui;
 426         struct samr_SetUserInfo sui;
 427         union samr_UserInfo u_info;
 428         union libnet_SetPassword r2;
 429         struct samr_GetUserPwInfo pwp;
 430         struct lsa_String samr_account_name;
 431
 432         uint32_t acct_flags, old_acct_flags;
 433         uint32_t rid, access_granted;
 434         int policy_min_pw_len = 0;
 435
 436         struct dom_sid *account_sid = NULL;
 437         const char *password_str = NULL;
 438
 439         r->out.error_string = NULL;
 440         r2.samr_handle.out.error_string = NULL;
 441
 442         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 443         if (!tmp_ctx) {
 444                 r->out.error_string = NULL;
 445                 return NT_STATUS_NO_MEMORY;
 446         }
 447
 448         u_handle = talloc(tmp_ctx, struct policy_handle);
 449         if (!u_handle) {
 450                 r->out.error_string = NULL;
 451                 talloc_free(tmp_ctx);
 452                 return NT_STATUS_NO_MEMORY;
 453         }
 454
 455         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 456         if (!connect_with_info) {
 457                 r->out.error_string = NULL;
 458                 talloc_free(tmp_ctx);
 459                 return NT_STATUS_NO_MEMORY;
 460         }
 461
 462         /* prepare connect to the LSA pipe of PDC */
 463         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 464                 connect_with_info->in.binding = NULL;
 465                 connect_with_info->in.name    = r->in.domain_name;
 466         } else {
 467                 connect_with_info->in.binding = r->in.binding;
 468                 connect_with_info->in.name    = NULL;
 469         }
 470
 471         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 472         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 473
 474         /*
 475           establish a SAMR connection, on the same CIFS transport
 476         */
 477         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 478         if (!NT_STATUS_IS_OK(status)) {
 479                 if (r->in.binding) {
 480                         r->out.error_string = talloc_asprintf(mem_ctx,
 481                                                               "Connection to SAMR pipe of DC %s failed: %s",
 482                                                               r->in.binding, connect_with_info->out.error_string);
 483                 } else {
 484                         r->out.error_string = talloc_asprintf(mem_ctx,
 485                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 486                                                               r->in.domain_name, connect_with_info->out.error_string);
 487                 }
 488                 talloc_free(tmp_ctx);
 489                 return status;
 490         }
 491
 492         samr_pipe = connect_with_info->out.dcerpc_pipe;
 493
 494         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 495                                   connect_with_info->out.dcerpc_pipe->binding,
 496                                   &dcerpc_table_samr, ctx->cred);
 497         if (!NT_STATUS_IS_OK(status)) {
 498                 r->out.error_string = talloc_asprintf(mem_ctx,
 499                                                 "SAMR bind failed: %s",
 500                                                 nt_errstr(status));
 501                 talloc_free(tmp_ctx);
 502                 return status;
 503         }
 504
 505         /* prepare samr_Connect */
 506         ZERO_STRUCT(p_handle);
 507         sc.in.system_name = NULL;
 508         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 509         sc.out.connect_handle = &p_handle;
 510
 511         /* 2. do a samr_Connect to get a policy handle */
 512         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 513         if (!NT_STATUS_IS_OK(status)) {
 514                 r->out.error_string = talloc_asprintf(mem_ctx,
 515                                                 "samr_Connect failed: %s",
 516                                                 nt_errstr(status));
 517                 talloc_free(tmp_ctx);
 518                 return status;
 519         }
 520
 521         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 522         if (!connect_with_info->out.domain_name) {
 523                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 524                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 525                 } else {
 526                         /* Bugger, we just lost our way to automaticly find the domain name */
 527                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 528                 }
 529         }
 530
 531         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 532         if (!connect_with_info->out.domain_sid) {
 533                 struct lsa_String name;
 534                 struct samr_LookupDomain l;
 535                 name.string = connect_with_info->out.domain_name;
 536                 l.in.connect_handle = &p_handle;
 537                 l.in.domain_name = &name;
 538
 539                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 540                 if (!NT_STATUS_IS_OK(status)) {
 541                         r->out.error_string = talloc_asprintf(mem_ctx,
 542                                                               "SAMR LookupDomain failed: %s",
 543                                                               nt_errstr(status));
 544                         talloc_free(tmp_ctx);
 545                         return status;
 546                 }
 547                 connect_with_info->out.domain_sid = l.out.sid;
 548         }
 549
 550         /* prepare samr_OpenDomain */
 551         ZERO_STRUCT(d_handle);
 552         od.in.connect_handle = &p_handle;
 553         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 554         od.in.sid = connect_with_info->out.domain_sid;
 555         od.out.domain_handle = &d_handle;
 556
 557         /* do a samr_OpenDomain to get a domain handle */
 558         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 559         if (!NT_STATUS_IS_OK(status)) {
 560                 r->out.error_string = talloc_asprintf(mem_ctx,
 561                                                       "samr_OpenDomain for [%s] failed: %s",
 562                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 563                                                       nt_errstr(status));
 564                 talloc_free(tmp_ctx);
 565                 return status;
 566         }
 567
 568         /* prepare samr_CreateUser2 */
 569         ZERO_STRUCTP(u_handle);
 570         cu.in.domain_handle  = &d_handle;
 571         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 572         samr_account_name.string = r->in.account_name;
 573         cu.in.account_name    = &samr_account_name;
 574         cu.in.acct_flags      = r->in.acct_type;
 575         cu.out.user_handle    = u_handle;
 576         cu.out.rid            = &rid;
 577         cu.out.access_granted = &access_granted;
 578
 579         /* do a samr_CreateUser2 to get an account handle, or an error */
 580         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 581         status = cu_status;
 582         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 583                 /* prepare samr_LookupNames */
 584                 ln.in.domain_handle = &d_handle;
 585                 ln.in.num_names = 1;
 586                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 587                 if (!ln.in.names) {
 588                         r->out.error_string = NULL;
 589                         talloc_free(tmp_ctx);
 590                         return NT_STATUS_NO_MEMORY;
 591                 }
 592                 ln.in.names[0].string = r->in.account_name;
 593
 594                 /* 5. do a samr_LookupNames to get the users rid */
 595                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 596                 if (!NT_STATUS_IS_OK(status)) {
 597                         r->out.error_string = talloc_asprintf(mem_ctx,
 598                                                 "samr_LookupNames for [%s] failed: %s",
 599                                                 r->in.account_name,
 600                                                 nt_errstr(status));
 601                         talloc_free(tmp_ctx);
 602                         return status;
 603                 }
 604
 605                 /* check if we got one RID for the user */
 606                 if (ln.out.rids.count != 1) {
 607                         r->out.error_string = talloc_asprintf(mem_ctx,
 608                                                               "samr_LookupNames for [%s] returns %d RIDs",
 609                                                               r->in.account_name, ln.out.rids.count);
 610                         talloc_free(tmp_ctx);
 611                         return NT_STATUS_INVALID_PARAMETER;
 612                 }
 613
 614                 /* prepare samr_OpenUser */
 615                 ZERO_STRUCTP(u_handle);
 616                 ou.in.domain_handle = &d_handle;
 617                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 618                 ou.in.rid = ln.out.rids.ids[0];
 619                 rid = ou.in.rid;
 620                 ou.out.user_handle = u_handle;
 621
 622                 /* 6. do a samr_OpenUser to get a user handle */
 623                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 624                 if (!NT_STATUS_IS_OK(status)) {
 625                         r->out.error_string = talloc_asprintf(mem_ctx,
 626                                                         "samr_OpenUser for [%s] failed: %s",
 627                                                         r->in.account_name,
 628                                                         nt_errstr(status));
 629                         talloc_free(tmp_ctx);
 630                         return status;
 631                 }
 632
 633                 if (r->in.recreate_account) {
 634                         struct samr_DeleteUser d;
 635                         d.in.user_handle = u_handle;
 636                         d.out.user_handle = u_handle;
 637                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 638                         if (!NT_STATUS_IS_OK(status)) {
 639                                 r->out.error_string = talloc_asprintf(mem_ctx,
 640                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 641                                                                       r->in.account_name,
 642                                                                       nt_errstr(status));
 643                                 talloc_free(tmp_ctx);
 644                                 return status;
 645                         }
 646
 647                         /* We want to recreate, so delete and another samr_CreateUser2 */
 648
 649                         /* &cu filled in above */
 650                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 651                         if (!NT_STATUS_IS_OK(status)) {
 652                                 r->out.error_string = talloc_asprintf(mem_ctx,
 653                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 654                                                                       r->in.account_name, nt_errstr(status));
 655                                 talloc_free(tmp_ctx);
 656                                 return status;
 657                         }
 658                 }
 659         } else if (!NT_STATUS_IS_OK(status)) {
 660                 r->out.error_string = talloc_asprintf(mem_ctx,
 661                                                       "samr_CreateUser2 for [%s] failed: %s",
 662                                                       r->in.account_name, nt_errstr(status));
 663                 talloc_free(tmp_ctx);
 664                 return status;
 665         }
 666
 667         /* prepare samr_QueryUserInfo (get flags) */
 668         qui.in.user_handle = u_handle;
 669         qui.in.level = 16;
 670
 671         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 672         if (!NT_STATUS_IS_OK(status)) {
 673                 r->out.error_string = talloc_asprintf(mem_ctx,
 674                                                 "samr_QueryUserInfo for [%s] failed: %s",
 675                                                 r->in.account_name,
 676                                                 nt_errstr(status));
 677                 talloc_free(tmp_ctx);
 678                 return status;
 679         }
 680
 681         if (!qui.out.info) {
 682                 status = NT_STATUS_INVALID_PARAMETER;
 683                 r->out.error_string
 684                         = talloc_asprintf(mem_ctx,
 685                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 686                                           r->in.account_name, nt_errstr(status));
 687                 talloc_free(tmp_ctx);
 688                 return status;
 689         }
 690
 691         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 692         /* Possibly bail if the account is of the wrong type */
 693         if (old_acct_flags
 694             != r->in.acct_type) {
 695                 const char *old_account_type, *new_account_type;
 696                 switch (old_acct_flags) {
 697                 case ACB_WSTRUST:
 698                         old_account_type = "domain member (member)";
 699                         break;
 700                 case ACB_SVRTRUST:
 701                         old_account_type = "domain controller (bdc)";
 702                         break;
 703                 case ACB_DOMTRUST:
 704                         old_account_type = "trusted domain";
 705                         break;
 706                 default:
 707                         return NT_STATUS_INVALID_PARAMETER;
 708                 }
 709                 switch (r->in.acct_type) {
 710                 case ACB_WSTRUST:
 711                         new_account_type = "domain member (member)";
 712                         break;
 713                 case ACB_SVRTRUST:
 714                         new_account_type = "domain controller (bdc)";
 715                         break;
 716                 case ACB_DOMTRUST:
 717                         new_account_type = "trusted domain";
 718                         break;
 719                 default:
 720                         return NT_STATUS_INVALID_PARAMETER;
 721                 }
 722
 723                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 724                         /* We created a new user, but they didn't come out the right type?!? */
 725                         r->out.error_string
 726                                 = talloc_asprintf(mem_ctx,
 727                                                   "We asked to create a new machine account (%s) of type %s, "
 728                                                   "but we got an account of type %s.  This is unexpected.  "
 729                                                   "Perhaps delete the account and try again.",
 730                                                   r->in.account_name, new_account_type, old_account_type);
 731                         talloc_free(tmp_ctx);
 732                         return NT_STATUS_INVALID_PARAMETER;
 733                 } else {
 734                         /* The account is of the wrong type, so bail */
 735
 736                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 737                         r->out.error_string
 738                                 = talloc_asprintf(mem_ctx,
 739                                                   "The machine account (%s) already exists in the domain %s, "
 740                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 741                                                   "the account and try again.",
 742                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 743                         talloc_free(tmp_ctx);
 744                         return NT_STATUS_USER_EXISTS;
 745                 }
 746         } else {
 747                 acct_flags = qui.out.info->info16.acct_flags;
 748         }
 749
 750         acct_flags = (acct_flags & ~ACB_DISABLED);
 751
 752         /* Find out what password policy this user has */
 753         pwp.in.user_handle = u_handle;
 754
 755         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 756         if (NT_STATUS_IS_OK(status)) {
 757                 policy_min_pw_len = pwp.out.info.min_password_length;
 758         }
 759
 760         /* Grab a password of that minimum length */
 761
 762         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 763
 764         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 765         r2.samr_handle.in.account_name  = r->in.account_name;
 766         r2.samr_handle.in.newpassword   = password_str;
 767         r2.samr_handle.in.user_handle   = u_handle;
 768         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 769
 770         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 771         if (!NT_STATUS_IS_OK(status)) {
 772                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 773                 talloc_free(tmp_ctx);
 774                 return status;
 775         }
 776
 777         /* reset flags (if required) */
 778         if (acct_flags != qui.out.info->info16.acct_flags) {
 779                 ZERO_STRUCT(u_info);
 780                 u_info.info16.acct_flags = acct_flags;
 781
 782                 sui.in.user_handle = u_handle;
 783                 sui.in.info = &u_info;
 784                 sui.in.level = 16;
 785
 786                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 787                 if (!NT_STATUS_IS_OK(status)) {
 788                         r->out.error_string = talloc_asprintf(mem_ctx,
 789                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 790                                                         r->in.account_name,
 791                                                         nt_errstr(status));
 792                         talloc_free(tmp_ctx);
 793                         return status;
 794                 }
 795         }
 796
 797         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 798         if (!account_sid) {
 799                 r->out.error_string = NULL;
 800                 talloc_free(tmp_ctx);
 801                 return NT_STATUS_NO_MEMORY;
 802         }
 803
 804         /* Finish out by pushing various bits of status data out for the caller to use */
 805         r->out.join_password = password_str;
 806         talloc_steal(mem_ctx, r->out.join_password);
 807
 808         r->out.domain_sid = connect_with_info->out.domain_sid;
 809         talloc_steal(mem_ctx, r->out.domain_sid);
 810
 811         r->out.account_sid = account_sid;
 812         talloc_steal(mem_ctx, r->out.account_sid);
 813
 814         r->out.domain_name = connect_with_info->out.domain_name;
 815         talloc_steal(mem_ctx, r->out.domain_name);
 816         r->out.realm = connect_with_info->out.realm;
 817         talloc_steal(mem_ctx, r->out.realm);
 818         r->out.samr_pipe = samr_pipe;
 819         talloc_steal(mem_ctx, samr_pipe);
 820         r->out.samr_binding = samr_pipe->binding;
 821         talloc_steal(mem_ctx, r->out.samr_binding);
 822         r->out.user_handle = u_handle;
 823         talloc_steal(mem_ctx, u_handle);
 824         r->out.error_string = r2.samr_handle.out.error_string;
 825         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 826         r->out.kvno = 0;
 827         r->out.server_dn_str = NULL;
 828         talloc_free(tmp_ctx);
 829
 830         /* Now, if it was AD, then we want to start looking changing a
 831          * few more things.  Otherwise, we are done. */
 832         if (r->out.realm) {
 833                 status = libnet_JoinADSDomain(ctx, r);
 834                 return status;
 835         }
 836
 837         return status;
 838 }
 839
 840 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 841                                            TALLOC_CTX *mem_ctx,
 842                                            struct libnet_Join *r)
 843 {
 844         NTSTATUS status;
 845         TALLOC_CTX *tmp_mem;
 846         struct libnet_JoinDomain *r2;
 847         int ret, rtn;
 848         struct ldb_context *ldb;
 849         const struct ldb_dn *base_dn;
 850         struct ldb_message **msgs, *msg;
 851         const char *sct;
 852         const char * const attrs[] = {
 853                 "whenChanged",
 854                 "secret",
 855                 "priorSecret",
 856                 "priorChanged",
 857                 "krb5Keytab",
 858                 "privateKeytab",
 859                 NULL
 860         };
 861         uint32_t acct_type = 0;
 862         const char *account_name;
 863         const char *netbios_name;
 864         char *filter;
 865
 866         r->out.error_string = NULL;
 867
 868         tmp_mem = talloc_new(mem_ctx);
 869         if (!tmp_mem) {
 870                 return NT_STATUS_NO_MEMORY;
 871         }
 872
 873         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 874         if (!r2) {
 875                 r->out.error_string = NULL;
 876                 talloc_free(tmp_mem);
 877                 return NT_STATUS_NO_MEMORY;
 878         }
 879
 880         if (r->in.join_type == SEC_CHAN_BDC) {
 881                 acct_type = ACB_SVRTRUST;
 882         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 883                 acct_type = ACB_WSTRUST;
 884         } else {
 885                 r->out.error_string = NULL;
 886                 talloc_free(tmp_mem);
 887                 return NT_STATUS_INVALID_PARAMETER;
 888         }
 889
 890         if (r->in.netbios_name != NULL) {
 891                 netbios_name = r->in.netbios_name;
 892         } else {
 893                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 894                 if (!netbios_name) {
 895                         r->out.error_string = NULL;
 896                         talloc_free(tmp_mem);
 897                         return NT_STATUS_NO_MEMORY;
 898                 }
 899         }
 900
 901         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 902         if (!account_name) {
 903                 r->out.error_string = NULL;
 904                 talloc_free(tmp_mem);
 905                 return NT_STATUS_NO_MEMORY;
 906         }
 907
 908         /*
 909          * Local secrets are stored in secrets.ldb
 910          * open it to make sure we can write the info into it after the join
 911          */
 912         ldb = secrets_db_connect(tmp_mem);
 913         if (!ldb) {
 914                 r->out.error_string
 915                         = talloc_asprintf(mem_ctx,
 916                                           "Could not open secrets database");
 917                 talloc_free(tmp_mem);
 918                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 919         }
 920
 921         /*
 922          * join the domain
 923          */
 924         ZERO_STRUCTP(r2);
 925         r2->in.domain_name      = r->in.domain_name;
 926         r2->in.account_name     = account_name;
 927         r2->in.netbios_name     = netbios_name;
 928         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 929         r2->in.acct_type        = acct_type;
 930         r2->in.recreate_account = False;
 931         status = libnet_JoinDomain(ctx, r2, r2);
 932         if (!NT_STATUS_IS_OK(status)) {
 933                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 934                 talloc_free(tmp_mem);
 935                 return status;
 936         }
 937
 938         /*
 939          * now prepare the record for secrets.ldb
 940          */
 941         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 942         if (!sct) {
 943                 r->out.error_string = NULL;
 944                 talloc_free(tmp_mem);
 945                 return NT_STATUS_NO_MEMORY;
 946         }
 947
 948         msg = ldb_msg_new(tmp_mem);
 949         if (!msg) {
 950                 r->out.error_string = NULL;
 951                 talloc_free(tmp_mem);
 952                 return NT_STATUS_NO_MEMORY;
 953         }
 954
 955         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 956         if (!base_dn) {
 957                 r->out.error_string = NULL;
 958                 talloc_free(tmp_mem);
 959                 return NT_STATUS_NO_MEMORY;
 960         }
 961
 962         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 963         if (!msg->dn) {
 964                 r->out.error_string = NULL;
 965                 talloc_free(tmp_mem);
 966                 return NT_STATUS_NO_MEMORY;
 967         }
 968
 969         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 970         if (rtn == -1) {
 971                 r->out.error_string = NULL;
 972                 talloc_free(tmp_mem);
 973                 return NT_STATUS_NO_MEMORY;
 974         }
 975
 976         if (r2->out.realm) {
 977                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 978                 if (rtn == -1) {
 979                         r->out.error_string = NULL;
 980                         talloc_free(tmp_mem);
 981                         return NT_STATUS_NO_MEMORY;
 982                 }
 983
 984                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 985                 if (rtn == -1) {
 986                         r->out.error_string = NULL;
 987                         talloc_free(tmp_mem);
 988                         return NT_STATUS_NO_MEMORY;
 989                 }
 990         }
 991
 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         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1000         if (rtn == -1) {
1001                 r->out.error_string = NULL;
1002                 talloc_free(tmp_mem);
1003                 return NT_STATUS_NO_MEMORY;
1004         }
1005
1006         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1007         if (rtn == -1) {
1008                 r->out.error_string = NULL;
1009                 talloc_free(tmp_mem);
1010                 return NT_STATUS_NO_MEMORY;
1011         }
1012
1013         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1014         if (rtn == -1) {
1015                 r->out.error_string = NULL;
1016                 talloc_free(tmp_mem);
1017                 return NT_STATUS_NO_MEMORY;
1018         }
1019
1020         if (r2->out.kvno) {
1021                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1022                                          r2->out.kvno);
1023                 if (rtn == -1) {
1024                         r->out.error_string = NULL;
1025                         talloc_free(tmp_mem);
1026                         return NT_STATUS_NO_MEMORY;
1027                 }
1028         }
1029
1030         if (r2->out.domain_sid) {
1031                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1032                                             r2->out.domain_sid);
1033                 if (rtn == -1) {
1034                         r->out.error_string = NULL;
1035                         talloc_free(tmp_mem);
1036                         return NT_STATUS_NO_MEMORY;
1037                 }
1038         }
1039
1040         /*
1041          * search for the secret record
1042          * - remove the records we find
1043          * - and fetch the old secret and store it under priorSecret
1044          */
1045         ret = gendb_search(ldb,
1046                            tmp_mem, base_dn,
1047                            &msgs, attrs,
1048                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1049                            r2->out.domain_name, r2->out.realm);
1050         if (ret == 0) {
1051                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1052                 if (rtn == -1) {
1053                         r->out.error_string = NULL;
1054                         talloc_free(tmp_mem);
1055                         return NT_STATUS_NO_MEMORY;
1056                 }
1057         } else if (ret == -1) {
1058                 r->out.error_string
1059                         = talloc_asprintf(mem_ctx,
1060                                           "Search for domain: %s and realm: %s failed: %s",
1061                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1062                 talloc_free(tmp_mem);
1063                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1064         } else {
1065                 const struct ldb_val *private_keytab;
1066                 const struct ldb_val *krb5_keytab;
1067                 const struct ldb_val *prior_secret;
1068                 const struct ldb_val *prior_modified_time;
1069                 int i;
1070
1071                 for (i = 0; i < ret; i++) {
1072                         ldb_delete(ldb, msgs[i]->dn);
1073                 }
1074
1075                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1076                 if (prior_secret) {
1077                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1078                         if (rtn == -1) {
1079                                 r->out.error_string = NULL;
1080                                 talloc_free(tmp_mem);
1081                                 return NT_STATUS_NO_MEMORY;
1082                         }
1083                 }
1084                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1085                 if (rtn == -1) {
1086                         r->out.error_string = NULL;
1087                         talloc_free(tmp_mem);
1088                         return NT_STATUS_NO_MEMORY;
1089                 }
1090
1091                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1092                                                            "whenChanged");
1093                 if (prior_modified_time) {
1094                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1095                                                   prior_modified_time);
1096                         if (rtn == -1) {
1097                                 r->out.error_string = NULL;
1098                                 talloc_free(tmp_mem);
1099                                 return NT_STATUS_NO_MEMORY;
1100                         }
1101                 }
1102
1103                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1104                 if (rtn == -1) {
1105                         r->out.error_string = NULL;
1106                         talloc_free(tmp_mem);
1107                         return NT_STATUS_NO_MEMORY;
1108                 }
1109
1110                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1111                 if (rtn == -1) {
1112                         r->out.error_string = NULL;
1113                         talloc_free(tmp_mem);
1114                         return NT_STATUS_NO_MEMORY;
1115                 }
1116
1117                 /* We will want to keep the keytab names */
1118                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1119                 if (private_keytab) {
1120                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1121                         if (rtn == -1) {
1122                                 r->out.error_string = NULL;
1123                                 talloc_free(tmp_mem);
1124                                 return NT_STATUS_NO_MEMORY;
1125                         }
1126                 }
1127                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1128                 if (krb5_keytab) {
1129                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_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         }
1137
1138         /* create the secret */
1139         ret = samdb_add(ldb, tmp_mem, msg);
1140         if (ret != 0) {
1141                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1142                                                       ldb_dn_linearize(ldb, msg->dn));
1143                 talloc_free(tmp_mem);
1144                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1145         }
1146
1147         if (r2->out.realm) {
1148                 struct cli_credentials *creds;
1149                 /* Make a credentials structure from it */
1150                 creds = cli_credentials_init(mem_ctx);
1151                 if (!creds) {
1152                         r->out.error_string = NULL;
1153                         talloc_free(tmp_mem);
1154                         return NT_STATUS_NO_MEMORY;
1155                 }
1156                 cli_credentials_set_conf(creds);
1157                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1158                 status = cli_credentials_set_secrets(creds, NULL, filter);
1159                 if (!NT_STATUS_IS_OK(status)) {
1160                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s",
1161                                                               filter);
1162                         talloc_free(tmp_mem);
1163                         return status;
1164                 }
1165                 ret = cli_credentials_update_keytab(creds);
1166                 if (ret != 0) {
1167                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s",
1168                                                               filter);
1169                         talloc_free(tmp_mem);
1170                         return NT_STATUS_UNSUCCESSFUL;
1171                 }
1172         }
1173
1174         /* move all out parameter to the callers TALLOC_CTX */
1175         r->out.error_string     = NULL;
1176         r->out.join_password    = r2->out.join_password;
1177         talloc_steal(mem_ctx, r2->out.join_password);
1178         r->out.domain_sid       = r2->out.domain_sid;
1179         talloc_steal(mem_ctx, r2->out.domain_sid);
1180         r->out.domain_name      = r2->out.domain_name;
1181         talloc_steal(mem_ctx, r2->out.domain_name);
1182         talloc_free(tmp_mem);
1183         return NT_STATUS_OK;
1184 }
1185
1186 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1187 {
1188         switch (r->in.join_type) {
1189                 case SEC_CHAN_WKSTA:
1190                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1191                 case SEC_CHAN_BDC:
1192                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1193                 case SEC_CHAN_DOMAIN:
1194                         break;
1195         }
1196
1197         r->out.error_string = talloc_asprintf(mem_ctx,
1198                                               "Invalid join type specified (%08X) attempting to join domain %s",
1199                                               r->in.join_type, r->in.domain_name);
1200         return NT_STATUS_INVALID_PARAMETER;
1201 }