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.h"
  26 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
  27 #include "lib/ldb/include/ldb.h"
  28 #include "lib/ldb/include/ldb_errors.h"
  29 #include "passdb/secrets.h"
  30 #include "dsdb/samdb/samdb.h"
  31 #include "db_wrap.h"
  32 #include "libcli/security/proto.h"
  33 #include "auth/credentials/credentials.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         const 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 for [%s\\%s] failed - %s\n",
 140                                                   r->in.domain_name, r->in.account_name,
 141                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 142                         talloc_free(tmp_ctx);
 143                         return status;
 144                 } else {
 145                         r->out.error_string
 146                                 = talloc_asprintf(r,
 147                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 148                                                   r->in.domain_name, r->in.account_name,
 149                                                   nt_errstr(status));
 150                         talloc_free(tmp_ctx);
 151                         return status;
 152                 }
 153         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 154                 r->out.error_string
 155                                 = talloc_asprintf(r,
 156                                                   "DsBind failed - %s\n",
 157                                                   win_errstr(r_drsuapi_bind.out.result));
 158                         talloc_free(tmp_ctx);
 159                 return NT_STATUS_UNSUCCESSFUL;
 160         }
 161
 162         /* Actually 'crack' the names */
 163         ZERO_STRUCT(r_crack_names);
 164         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 165         r_crack_names.in.level                  = 1;
 166         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 167         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 168         r_crack_names.in.req.req1.count         = 1;
 169         r_crack_names.in.req.req1.names         = names;
 170         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 171         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 172         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 173         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 174         if (!names[0].str) {
 175                 r->out.error_string = NULL;
 176                 talloc_free(tmp_ctx);
 177                 return NT_STATUS_NO_MEMORY;
 178         }
 179
 180         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 181         if (!NT_STATUS_IS_OK(status)) {
 182                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 183                         r->out.error_string
 184                                 = talloc_asprintf(r,
 185                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 186                                                   names[0].str,
 187                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 188                         talloc_free(tmp_ctx);
 189                         return status;
 190                 } else {
 191                         r->out.error_string
 192                                 = talloc_asprintf(r,
 193                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 194                                                   names[0].str,
 195                                                   nt_errstr(status));
 196                         talloc_free(tmp_ctx);
 197                         return status;
 198                 }
 199         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 200                 r->out.error_string
 201                                 = talloc_asprintf(r,
 202                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 203                 talloc_free(tmp_ctx);
 204                 return NT_STATUS_UNSUCCESSFUL;
 205         } else if (r_crack_names.out.level != 1
 206                    || !r_crack_names.out.ctr.ctr1
 207                    || r_crack_names.out.ctr.ctr1->count != 1
 208                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 209                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 210                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 211                 talloc_free(tmp_ctx);
 212                 return NT_STATUS_UNSUCCESSFUL;
 213         }
 214
 215         /* Store the DN of our machine account. */
 216         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 217
 218         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 219         if (!account_dn) {
 220                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 221                                                       account_dn_str);
 222                 talloc_free(tmp_ctx);
 223                 return NT_STATUS_UNSUCCESSFUL;
 224         }
 225
 226         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 227
 228         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 229                                          drsuapi_binding->host);
 230         if (!remote_ldb_url) {
 231                 r->out.error_string = NULL;
 232                 talloc_free(tmp_ctx);
 233                 return NT_STATUS_NO_MEMORY;
 234         }
 235
 236         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 237                                       NULL, ctx->cred, 0, NULL);
 238         if (!remote_ldb) {
 239                 r->out.error_string = NULL;
 240                 talloc_free(tmp_ctx);
 241                 return NT_STATUS_UNSUCCESSFUL;
 242         }
 243
 244         /* search for the user's record */
 245         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 246                              NULL, attrs, &res);
 247         if (ret != LDB_SUCCESS || res->count != 1) {
 248                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 249                                                       account_dn_str, ldb_errstring(remote_ldb));
 250                 talloc_free(tmp_ctx);
 251                 return NT_STATUS_UNSUCCESSFUL;
 252         }
 253
 254         /* If we have a kvno recorded in AD, we need it locally as well */
 255         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 256
 257         /* Prepare a new message, for the modify */
 258         msg = ldb_msg_new(tmp_ctx);
 259         if (!msg) {
 260                 r->out.error_string = NULL;
 261                 talloc_free(tmp_ctx);
 262                 return NT_STATUS_NO_MEMORY;
 263         }
 264         msg->dn = res->msgs[0]->dn;
 265
 266         {
 267                 int i;
 268                 const char *service_principal_name[6];
 269                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 270                                                             talloc_asprintf(tmp_ctx,
 271                                                                             "%s.%s",
 272                                                                             r->in.netbios_name,
 273                                                                             realm));
 274
 275                 if (!dns_host_name) {
 276                         r->out.error_string = NULL;
 277                         talloc_free(tmp_ctx);
 278                         return NT_STATUS_NO_MEMORY;
 279                 }
 280
 281                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 282                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 283                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 284                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 285                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 286                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 287
 288                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 289                         if (!service_principal_name[i]) {
 290                                 r->out.error_string = NULL;
 291                                 talloc_free(tmp_ctx);
 292                                 return NT_STATUS_NO_MEMORY;
 293                         }
 294                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 295                         if (rtn == -1) {
 296                                 r->out.error_string = NULL;
 297                                 talloc_free(tmp_ctx);
 298                                 return NT_STATUS_NO_MEMORY;
 299                         }
 300                 }
 301
 302                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 303                 if (rtn == -1) {
 304                         r->out.error_string = NULL;
 305                         talloc_free(tmp_ctx);
 306                         return NT_STATUS_NO_MEMORY;
 307                 }
 308
 309                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 310                 if (rtn != 0) {
 311                         r->out.error_string
 312                                 = talloc_asprintf(r,
 313                                                   "Failed to replace entries on %s\n",
 314                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 315                         talloc_free(tmp_ctx);
 316                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 317                 }
 318         }
 319
 320         /* DsCrackNames to find out the DN of the domain. */
 321         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 322         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 323         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 324         if (!names[0].str) {
 325                 r->out.error_string = NULL;
 326                 talloc_free(tmp_ctx);
 327                 return NT_STATUS_NO_MEMORY;
 328         }
 329
 330         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 331         if (!NT_STATUS_IS_OK(status)) {
 332                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 333                         r->out.error_string
 334                                 = talloc_asprintf(r,
 335                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 336                                                   r->in.domain_name,
 337                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 338                         talloc_free(tmp_ctx);
 339                         return status;
 340                 } else {
 341                         r->out.error_string
 342                                 = talloc_asprintf(r,
 343                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 344                                                   r->in.domain_name,
 345                                                   nt_errstr(status));
 346                         talloc_free(tmp_ctx);
 347                         return status;
 348                 }
 349         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 350                 r->out.error_string
 351                         = talloc_asprintf(r,
 352                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 353                 talloc_free(tmp_ctx);
 354                 return NT_STATUS_UNSUCCESSFUL;
 355         } else if (r_crack_names.out.level != 1
 356                    || !r_crack_names.out.ctr.ctr1
 357                    || r_crack_names.out.ctr.ctr1->count != 1
 358                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 359                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 360                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 361                 talloc_free(tmp_ctx);
 362                 return NT_STATUS_UNSUCCESSFUL;
 363         }
 364
 365         /* Store the account DN. */
 366         r->out.account_dn_str = account_dn_str;
 367         talloc_steal(r, account_dn_str);
 368
 369         /* Store the domain DN. */
 370         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 371         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 372
 373         r->out.kvno = kvno;
 374
 375         if (r->in.acct_type == ACB_SVRTRUST) {
 376                 status = libnet_JoinSite(remote_ldb, r);
 377         }
 378         talloc_free(tmp_ctx);
 379
 380         return status;
 381 }
 382
 383 /*
 384  * do a domain join using DCERPC/SAMR calls
 385  * - connect to the LSA pipe, to try and find out information about the domain
 386  * - create a secondary connection to SAMR pipe
 387  * - do a samr_Connect to get a policy handle
 388  * - do a samr_LookupDomain to get the domain sid
 389  * - do a samr_OpenDomain to get a domain handle
 390  * - do a samr_CreateAccount to try and get a new account
 391  *
 392  * If that fails, do:
 393  * - do a samr_LookupNames to get the users rid
 394  * - do a samr_OpenUser to get a user handle
 395  * - potentially delete and recreate the user
 396  * - assert the account is of the right type with samrQueryUserInfo
 397  *
 398  * - call libnet_SetPassword_samr_handle to set the password
 399  *
 400  * - do a samrSetUserInfo to set the account flags
 401  * - do some ADS specific things when we join as Domain Controller,
 402  *    look at libnet_joinADSDomain() for the details
 403  */
 404 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 405 {
 406         TALLOC_CTX *tmp_ctx;
 407
 408         NTSTATUS status, cu_status;
 409
 410         struct libnet_RpcConnectDCInfo *connect_with_info;
 411         struct dcerpc_pipe *samr_pipe;
 412
 413         struct samr_Connect sc;
 414         struct policy_handle p_handle;
 415         struct samr_OpenDomain od;
 416         struct policy_handle d_handle;
 417         struct samr_LookupNames ln;
 418         struct samr_OpenUser ou;
 419         struct samr_CreateUser2 cu;
 420         struct policy_handle *u_handle = NULL;
 421         struct samr_QueryUserInfo qui;
 422         struct samr_SetUserInfo sui;
 423         union samr_UserInfo u_info;
 424         union libnet_SetPassword r2;
 425         struct samr_GetUserPwInfo pwp;
 426         struct lsa_String samr_account_name;
 427
 428         uint32_t acct_flags, old_acct_flags;
 429         uint32_t rid, access_granted;
 430         int policy_min_pw_len = 0;
 431
 432         struct dom_sid *account_sid = NULL;
 433         const char *password_str = NULL;
 434
 435         r->out.error_string = NULL;
 436         r2.samr_handle.out.error_string = NULL;
 437
 438         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 439         if (!tmp_ctx) {
 440                 r->out.error_string = NULL;
 441                 return NT_STATUS_NO_MEMORY;
 442         }
 443
 444         u_handle = talloc(tmp_ctx, struct policy_handle);
 445         if (!u_handle) {
 446                 r->out.error_string = NULL;
 447                 talloc_free(tmp_ctx);
 448                 return NT_STATUS_NO_MEMORY;
 449         }
 450
 451         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnectDCInfo);
 452         if (!connect_with_info) {
 453                 r->out.error_string = NULL;
 454                 talloc_free(tmp_ctx);
 455                 return NT_STATUS_NO_MEMORY;
 456         }
 457
 458         /* prepare connect to the LSA pipe of PDC */
 459         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 460                 connect_with_info->level      = LIBNET_RPC_CONNECT_PDC;
 461                 connect_with_info->in.name    = r->in.domain_name;
 462         } else {
 463                 connect_with_info->level      = LIBNET_RPC_CONNECT_BINDING;
 464                 connect_with_info->in.binding = r->in.binding;
 465         }
 466
 467         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 468         /*
 469           establish a SAMR connection, on the same CIFS transport
 470         */
 471
 472         status = libnet_RpcConnectDCInfo(ctx, connect_with_info);
 473         if (!NT_STATUS_IS_OK(status)) {
 474                 if (r->in.binding) {
 475                         r->out.error_string = talloc_asprintf(mem_ctx,
 476                                                               "Connection to SAMR pipe of DC %s failed: %s",
 477                                                               r->in.binding, connect_with_info->out.error_string);
 478                 } else {
 479                         r->out.error_string = talloc_asprintf(mem_ctx,
 480                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 481                                                               r->in.domain_name, connect_with_info->out.error_string);
 482                 }
 483                 talloc_free(tmp_ctx);
 484                 return status;
 485         }
 486
 487         samr_pipe = connect_with_info->out.dcerpc_pipe,
 488
 489         status = dcerpc_pipe_auth(samr_pipe,
 490                                   connect_with_info->out.dcerpc_pipe->binding,
 491                                   &dcerpc_table_samr, ctx->cred);
 492         if (!NT_STATUS_IS_OK(status)) {
 493                 r->out.error_string = talloc_asprintf(mem_ctx,
 494                                                 "SAMR bind failed: %s",
 495                                                 nt_errstr(status));
 496                 talloc_free(tmp_ctx);
 497                 return status;
 498         }
 499
 500         /* prepare samr_Connect */
 501         ZERO_STRUCT(p_handle);
 502         sc.in.system_name = NULL;
 503         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 504         sc.out.connect_handle = &p_handle;
 505
 506         /* 2. do a samr_Connect to get a policy handle */
 507         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 508         if (!NT_STATUS_IS_OK(status)) {
 509                 r->out.error_string = talloc_asprintf(mem_ctx,
 510                                                 "samr_Connect failed: %s",
 511                                                 nt_errstr(status));
 512                 talloc_free(tmp_ctx);
 513                 return status;
 514         }
 515
 516         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 517         if (!connect_with_info->out.domain_name) {
 518                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 519                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 520                 } else {
 521                         /* Bugger, we just lost our way to automaticly find the domain name */
 522                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 523                 }
 524         }
 525
 526         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 527         if (!connect_with_info->out.domain_sid) {
 528                 struct lsa_String name;
 529                 struct samr_LookupDomain l;
 530                 name.string = connect_with_info->out.domain_name;
 531                 l.in.connect_handle = &p_handle;
 532                 l.in.domain_name = &name;
 533
 534                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 535                 if (!NT_STATUS_IS_OK(status)) {
 536                         r->out.error_string = talloc_asprintf(mem_ctx,
 537                                                               "SAMR LookupDomain failed: %s",
 538                                                               nt_errstr(status));
 539                         talloc_free(tmp_ctx);
 540                         return status;
 541                 }
 542                 connect_with_info->out.domain_sid = l.out.sid;
 543         }
 544
 545         /* prepare samr_OpenDomain */
 546         ZERO_STRUCT(d_handle);
 547         od.in.connect_handle = &p_handle;
 548         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 549         od.in.sid = connect_with_info->out.domain_sid;
 550         od.out.domain_handle = &d_handle;
 551
 552         /* do a samr_OpenDomain to get a domain handle */
 553         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 554         if (!NT_STATUS_IS_OK(status)) {
 555                 r->out.error_string = talloc_asprintf(mem_ctx,
 556                                                       "samr_OpenDomain for [%s] failed: %s",
 557                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 558                                                       nt_errstr(status));
 559                 talloc_free(tmp_ctx);
 560                 return status;
 561         }
 562
 563         /* prepare samr_CreateUser2 */
 564         ZERO_STRUCTP(u_handle);
 565         cu.in.domain_handle  = &d_handle;
 566         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 567         samr_account_name.string = r->in.account_name;
 568         cu.in.account_name    = &samr_account_name;
 569         cu.in.acct_flags      = r->in.acct_type;
 570         cu.out.user_handle    = u_handle;
 571         cu.out.rid            = &rid;
 572         cu.out.access_granted = &access_granted;
 573
 574         /* do a samr_CreateUser2 to get an account handle, or an error */
 575         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 576         status = cu_status;
 577         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 578                 /* prepare samr_LookupNames */
 579                 ln.in.domain_handle = &d_handle;
 580                 ln.in.num_names = 1;
 581                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 582                 if (!ln.in.names) {
 583                         r->out.error_string = NULL;
 584                         talloc_free(tmp_ctx);
 585                         return NT_STATUS_NO_MEMORY;
 586                 }
 587                 ln.in.names[0].string = r->in.account_name;
 588
 589                 /* 5. do a samr_LookupNames to get the users rid */
 590                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 591                 if (!NT_STATUS_IS_OK(status)) {
 592                         r->out.error_string = talloc_asprintf(mem_ctx,
 593                                                 "samr_LookupNames for [%s] failed: %s",
 594                                                 r->in.account_name,
 595                                                 nt_errstr(status));
 596                         talloc_free(tmp_ctx);
 597                         return status;
 598                 }
 599
 600                 /* check if we got one RID for the user */
 601                 if (ln.out.rids.count != 1) {
 602                         r->out.error_string = talloc_asprintf(mem_ctx,
 603                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 604                                                               r->in.account_name, ln.out.rids.count);
 605                         talloc_free(tmp_ctx);
 606                         return NT_STATUS_INVALID_PARAMETER;
 607                 }
 608
 609                 /* prepare samr_OpenUser */
 610                 ZERO_STRUCTP(u_handle);
 611                 ou.in.domain_handle = &d_handle;
 612                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 613                 ou.in.rid = ln.out.rids.ids[0];
 614                 rid = ou.in.rid;
 615                 ou.out.user_handle = u_handle;
 616
 617                 /* 6. do a samr_OpenUser to get a user handle */
 618                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 619                 if (!NT_STATUS_IS_OK(status)) {
 620                         r->out.error_string = talloc_asprintf(mem_ctx,
 621                                                         "samr_OpenUser for [%s] failed: %s",
 622                                                         r->in.account_name,
 623                                                         nt_errstr(status));
 624                         talloc_free(tmp_ctx);
 625                         return status;
 626                 }
 627
 628                 if (r->in.recreate_account) {
 629                         struct samr_DeleteUser d;
 630                         d.in.user_handle = u_handle;
 631                         d.out.user_handle = u_handle;
 632                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 633                         if (!NT_STATUS_IS_OK(status)) {
 634                                 r->out.error_string = talloc_asprintf(mem_ctx,
 635                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 636                                                                       r->in.account_name,
 637                                                                       nt_errstr(status));
 638                                 talloc_free(tmp_ctx);
 639                                 return status;
 640                         }
 641
 642                         /* We want to recreate, so delete and another samr_CreateUser2 */
 643
 644                         /* &cu filled in above */
 645                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 646                         if (!NT_STATUS_IS_OK(status)) {
 647                                 r->out.error_string = talloc_asprintf(mem_ctx,
 648                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 649                                                                       r->in.domain_name, nt_errstr(status));
 650                                 talloc_free(tmp_ctx);
 651                                 return status;
 652                         }
 653                 }
 654         } else if (!NT_STATUS_IS_OK(status)) {
 655                 r->out.error_string = talloc_asprintf(mem_ctx,
 656                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 657                                                       r->in.domain_name, nt_errstr(status));
 658                 talloc_free(tmp_ctx);
 659                 return status;
 660         }
 661
 662         /* prepare samr_QueryUserInfo (get flags) */
 663         qui.in.user_handle = u_handle;
 664         qui.in.level = 16;
 665
 666         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 667         if (!NT_STATUS_IS_OK(status)) {
 668                 r->out.error_string = talloc_asprintf(mem_ctx,
 669                                                 "samr_QueryUserInfo for [%s] failed: %s",
 670                                                 r->in.account_name,
 671                                                 nt_errstr(status));
 672                 talloc_free(tmp_ctx);
 673                 return status;
 674         }
 675
 676         if (!qui.out.info) {
 677                 status = NT_STATUS_INVALID_PARAMETER;
 678                 r->out.error_string
 679                         = talloc_asprintf(mem_ctx,
 680                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 681                                           r->in.account_name, nt_errstr(status));
 682                 talloc_free(tmp_ctx);
 683                 return status;
 684         }
 685
 686         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 687         /* Possibly bail if the account is of the wrong type */
 688         if (old_acct_flags
 689             != r->in.acct_type) {
 690                 const char *old_account_type, *new_account_type;
 691                 switch (old_acct_flags) {
 692                 case ACB_WSTRUST:
 693                         old_account_type = "domain member (member)";
 694                         break;
 695                 case ACB_SVRTRUST:
 696                         old_account_type = "domain controller (bdc)";
 697                         break;
 698                 case ACB_DOMTRUST:
 699                         old_account_type = "trusted domain";
 700                         break;
 701                 default:
 702                         return NT_STATUS_INVALID_PARAMETER;
 703                 }
 704                 switch (r->in.acct_type) {
 705                 case ACB_WSTRUST:
 706                         new_account_type = "domain member (member)";
 707                         break;
 708                 case ACB_SVRTRUST:
 709                         new_account_type = "domain controller (bdc)";
 710                         break;
 711                 case ACB_DOMTRUST:
 712                         new_account_type = "trusted domain";
 713                         break;
 714                 default:
 715                         return NT_STATUS_INVALID_PARAMETER;
 716                 }
 717
 718                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 719                         /* We created a new user, but they didn't come out the right type?!? */
 720                         r->out.error_string
 721                                 = talloc_asprintf(mem_ctx,
 722                                                   "We asked to create a new machine account (%s) of type %s, "
 723                                                   "but we got an account of type %s.  This is unexpected.  "
 724                                                   "Perhaps delete the account and try again.\n",
 725                                                   r->in.account_name, new_account_type, old_account_type);
 726                         talloc_free(tmp_ctx);
 727                         return NT_STATUS_INVALID_PARAMETER;
 728                 } else {
 729                         /* The account is of the wrong type, so bail */
 730
 731                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 732                         r->out.error_string
 733                                 = talloc_asprintf(mem_ctx,
 734                                                   "The machine account (%s) already exists in the domain %s, "
 735                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 736                                                   "the account and try again.\n",
 737                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 738                         talloc_free(tmp_ctx);
 739                         return NT_STATUS_USER_EXISTS;
 740                 }
 741         } else {
 742                 acct_flags = qui.out.info->info16.acct_flags;
 743         }
 744
 745         acct_flags = (acct_flags & ~ACB_DISABLED);
 746
 747         /* Find out what password policy this user has */
 748         pwp.in.user_handle = u_handle;
 749
 750         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 751         if (NT_STATUS_IS_OK(status)) {
 752                 policy_min_pw_len = pwp.out.info.min_password_length;
 753         }
 754
 755         /* Grab a password of that minimum length */
 756
 757         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 758
 759         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 760         r2.samr_handle.in.account_name  = r->in.account_name;
 761         r2.samr_handle.in.newpassword   = password_str;
 762         r2.samr_handle.in.user_handle   = u_handle;
 763         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 764
 765         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 766         if (!NT_STATUS_IS_OK(status)) {
 767                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 768                 talloc_free(tmp_ctx);
 769                 return status;
 770         }
 771
 772         /* reset flags (if required) */
 773         if (acct_flags != qui.out.info->info16.acct_flags) {
 774                 ZERO_STRUCT(u_info);
 775                 u_info.info16.acct_flags = acct_flags;
 776
 777                 sui.in.user_handle = u_handle;
 778                 sui.in.info = &u_info;
 779                 sui.in.level = 16;
 780
 781                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 782                 if (!NT_STATUS_IS_OK(status)) {
 783                         r->out.error_string = talloc_asprintf(mem_ctx,
 784                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 785                                                         r->in.account_name,
 786                                                         nt_errstr(status));
 787                         talloc_free(tmp_ctx);
 788                         return status;
 789                 }
 790         }
 791
 792         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 793         if (!account_sid) {
 794                 r->out.error_string = NULL;
 795                 talloc_free(tmp_ctx);
 796                 return NT_STATUS_NO_MEMORY;
 797         }
 798
 799         /* Finish out by pushing various bits of status data out for the caller to use */
 800         r->out.join_password = password_str;
 801         talloc_steal(mem_ctx, r->out.join_password);
 802
 803         r->out.domain_sid = connect_with_info->out.domain_sid;
 804         talloc_steal(mem_ctx, r->out.domain_sid);
 805
 806         r->out.account_sid = account_sid;
 807         talloc_steal(mem_ctx, r->out.account_sid);
 808
 809         r->out.domain_name = connect_with_info->out.domain_name;
 810         talloc_steal(mem_ctx, r->out.domain_name);
 811         r->out.realm = connect_with_info->out.realm;
 812         talloc_steal(mem_ctx, r->out.realm);
 813         r->out.samr_pipe = samr_pipe;
 814         talloc_steal(mem_ctx, samr_pipe);
 815         r->out.samr_binding = samr_pipe->binding;
 816         talloc_steal(mem_ctx, r->out.samr_binding);
 817         r->out.user_handle = u_handle;
 818         talloc_steal(mem_ctx, u_handle);
 819         r->out.error_string = r2.samr_handle.out.error_string;
 820         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 821         r->out.kvno = 0;
 822         r->out.server_dn_str = NULL;
 823         talloc_free(tmp_ctx);
 824
 825         /* Now, if it was AD, then we want to start looking changing a
 826          * few more things.  Otherwise, we are done. */
 827         if (r->out.realm) {
 828                 status = libnet_JoinADSDomain(ctx, r);
 829                 return status;
 830         }
 831
 832         return status;
 833 }
 834
 835 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 836                                            TALLOC_CTX *mem_ctx,
 837                                            struct libnet_Join *r)
 838 {
 839         NTSTATUS status;
 840         TALLOC_CTX *tmp_mem;
 841         struct libnet_JoinDomain *r2;
 842         int ret, rtn;
 843         struct ldb_context *ldb;
 844         const struct ldb_dn *base_dn;
 845         struct ldb_message **msgs, *msg;
 846         const char *sct;
 847         const char * const attrs[] = {
 848                 "whenChanged",
 849                 "secret",
 850                 "priorSecret",
 851                 "priorChanged",
 852                 "krb5Keytab",
 853                 "privateKeytab",
 854                 NULL
 855         };
 856         uint32_t acct_type = 0;
 857         const char *account_name;
 858         const char *netbios_name;
 859         char *filter;
 860
 861         r->out.error_string = NULL;
 862
 863         tmp_mem = talloc_new(mem_ctx);
 864         if (!tmp_mem) {
 865                 return NT_STATUS_NO_MEMORY;
 866         }
 867
 868         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 869         if (!r2) {
 870                 r->out.error_string = NULL;
 871                 talloc_free(tmp_mem);
 872                 return NT_STATUS_NO_MEMORY;
 873         }
 874
 875         if (r->in.join_type == SEC_CHAN_BDC) {
 876                 acct_type = ACB_SVRTRUST;
 877         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 878                 acct_type = ACB_WSTRUST;
 879         } else {
 880                 r->out.error_string = NULL;
 881                 talloc_free(tmp_mem);
 882                 return NT_STATUS_INVALID_PARAMETER;
 883         }
 884
 885         if (r->in.netbios_name != NULL) {
 886                 netbios_name = r->in.netbios_name;
 887         } else {
 888                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 889                 if (!netbios_name) {
 890                         r->out.error_string = NULL;
 891                         talloc_free(tmp_mem);
 892                         return NT_STATUS_NO_MEMORY;
 893                 }
 894         }
 895
 896         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 897         if (!account_name) {
 898                 r->out.error_string = NULL;
 899                 talloc_free(tmp_mem);
 900                 return NT_STATUS_NO_MEMORY;
 901         }
 902
 903         /*
 904          * Local secrets are stored in secrets.ldb
 905          * open it to make sure we can write the info into it after the join
 906          */
 907         ldb = secrets_db_connect(tmp_mem);
 908         if (!ldb) {
 909                 r->out.error_string
 910                         = talloc_asprintf(mem_ctx,
 911                                           "Could not open secrets database\n");
 912                 talloc_free(tmp_mem);
 913                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 914         }
 915
 916         /*
 917          * join the domain
 918          */
 919         ZERO_STRUCTP(r2);
 920         r2->in.domain_name      = r->in.domain_name;
 921         r2->in.account_name     = account_name;
 922         r2->in.netbios_name     = netbios_name;
 923         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 924         r2->in.acct_type        = acct_type;
 925         r2->in.recreate_account = False;
 926         status = libnet_JoinDomain(ctx, r2, r2);
 927         if (!NT_STATUS_IS_OK(status)) {
 928                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 929                 talloc_free(tmp_mem);
 930                 return status;
 931         }
 932
 933         /*
 934          * now prepare the record for secrets.ldb
 935          */
 936         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 937         if (!sct) {
 938                 r->out.error_string = NULL;
 939                 talloc_free(tmp_mem);
 940                 return NT_STATUS_NO_MEMORY;
 941         }
 942
 943         msg = ldb_msg_new(tmp_mem);
 944         if (!msg) {
 945                 r->out.error_string = NULL;
 946                 talloc_free(tmp_mem);
 947                 return NT_STATUS_NO_MEMORY;
 948         }
 949
 950         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 951         if (!base_dn) {
 952                 r->out.error_string = NULL;
 953                 talloc_free(tmp_mem);
 954                 return NT_STATUS_NO_MEMORY;
 955         }
 956
 957         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 958         if (!msg->dn) {
 959                 r->out.error_string = NULL;
 960                 talloc_free(tmp_mem);
 961                 return NT_STATUS_NO_MEMORY;
 962         }
 963
 964         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 965         if (rtn == -1) {
 966                 r->out.error_string = NULL;
 967                 talloc_free(tmp_mem);
 968                 return NT_STATUS_NO_MEMORY;
 969         }
 970
 971         if (r2->out.realm) {
 972                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 973                 if (rtn == -1) {
 974                         r->out.error_string = NULL;
 975                         talloc_free(tmp_mem);
 976                         return NT_STATUS_NO_MEMORY;
 977                 }
 978
 979                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 980                 if (rtn == -1) {
 981                         r->out.error_string = NULL;
 982                         talloc_free(tmp_mem);
 983                         return NT_STATUS_NO_MEMORY;
 984                 }
 985         }
 986
 987         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 988         if (rtn == -1) {
 989                 r->out.error_string = NULL;
 990                 talloc_free(tmp_mem);
 991                 return NT_STATUS_NO_MEMORY;
 992         }
 993
 994         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
 995         if (rtn == -1) {
 996                 r->out.error_string = NULL;
 997                 talloc_free(tmp_mem);
 998                 return NT_STATUS_NO_MEMORY;
 999         }
1000
1001         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
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, "secureChannelType", sct);
1009         if (rtn == -1) {
1010                 r->out.error_string = NULL;
1011                 talloc_free(tmp_mem);
1012                 return NT_STATUS_NO_MEMORY;
1013         }
1014
1015         if (r2->out.kvno) {
1016                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1017                                          r2->out.kvno);
1018                 if (rtn == -1) {
1019                         r->out.error_string = NULL;
1020                         talloc_free(tmp_mem);
1021                         return NT_STATUS_NO_MEMORY;
1022                 }
1023         }
1024
1025         if (r2->out.domain_sid) {
1026                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1027                                             r2->out.domain_sid);
1028                 if (rtn == -1) {
1029                         r->out.error_string = NULL;
1030                         talloc_free(tmp_mem);
1031                         return NT_STATUS_NO_MEMORY;
1032                 }
1033         }
1034
1035         /*
1036          * search for the secret record
1037          * - remove the records we find
1038          * - and fetch the old secret and store it under priorSecret
1039          */
1040         ret = gendb_search(ldb,
1041                            tmp_mem, base_dn,
1042                            &msgs, attrs,
1043                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1044                            r2->out.domain_name, r2->out.realm);
1045         if (ret == 0) {
1046                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1047                 if (rtn == -1) {
1048                         r->out.error_string = NULL;
1049                         talloc_free(tmp_mem);
1050                         return NT_STATUS_NO_MEMORY;
1051                 }
1052         } else if (ret == -1) {
1053                 r->out.error_string
1054                         = talloc_asprintf(mem_ctx,
1055                                           "Search for domain: %s and realm: %s failed: %s",
1056                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1057                 talloc_free(tmp_mem);
1058                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1059         } else {
1060                 const struct ldb_val *private_keytab;
1061                 const struct ldb_val *krb5_keytab;
1062                 const struct ldb_val *prior_secret;
1063                 const struct ldb_val *prior_modified_time;
1064                 int i;
1065
1066                 for (i = 0; i < ret; i++) {
1067                         ldb_delete(ldb, msgs[i]->dn);
1068                 }
1069
1070                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1071                 if (prior_secret) {
1072                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1073                         if (rtn == -1) {
1074                                 r->out.error_string = NULL;
1075                                 talloc_free(tmp_mem);
1076                                 return NT_STATUS_NO_MEMORY;
1077                         }
1078                 }
1079                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1080                 if (rtn == -1) {
1081                         r->out.error_string = NULL;
1082                         talloc_free(tmp_mem);
1083                         return NT_STATUS_NO_MEMORY;
1084                 }
1085
1086                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1087                                                            "whenChanged");
1088                 if (prior_modified_time) {
1089                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1090                                                   prior_modified_time);
1091                         if (rtn == -1) {
1092                                 r->out.error_string = NULL;
1093                                 talloc_free(tmp_mem);
1094                                 return NT_STATUS_NO_MEMORY;
1095                         }
1096                 }
1097
1098                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1099                 if (rtn == -1) {
1100                         r->out.error_string = NULL;
1101                         talloc_free(tmp_mem);
1102                         return NT_STATUS_NO_MEMORY;
1103                 }
1104
1105                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1106                 if (rtn == -1) {
1107                         r->out.error_string = NULL;
1108                         talloc_free(tmp_mem);
1109                         return NT_STATUS_NO_MEMORY;
1110                 }
1111
1112                 /* We will want to keep the keytab names */
1113                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1114                 if (private_keytab) {
1115                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1116                         if (rtn == -1) {
1117                                 r->out.error_string = NULL;
1118                                 talloc_free(tmp_mem);
1119                                 return NT_STATUS_NO_MEMORY;
1120                         }
1121                 }
1122                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1123                 if (krb5_keytab) {
1124                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1125                         if (rtn == -1) {
1126                                 r->out.error_string = NULL;
1127                                 talloc_free(tmp_mem);
1128                                 return NT_STATUS_NO_MEMORY;
1129                         }
1130                 }
1131         }
1132
1133         /* create the secret */
1134         ret = samdb_add(ldb, tmp_mem, msg);
1135         if (ret != 0) {
1136                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1137                                                       ldb_dn_linearize(ldb, msg->dn));
1138                 talloc_free(tmp_mem);
1139                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1140         }
1141
1142         if (r2->out.realm) {
1143                 struct cli_credentials *creds;
1144                 /* Make a credentials structure from it */
1145                 creds = cli_credentials_init(mem_ctx);
1146                 if (!creds) {
1147                         r->out.error_string = NULL;
1148                         talloc_free(tmp_mem);
1149                         return NT_STATUS_NO_MEMORY;
1150                 }
1151                 cli_credentials_set_conf(creds);
1152                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1153                 status = cli_credentials_set_secrets(creds, NULL, filter);
1154                 if (!NT_STATUS_IS_OK(status)) {
1155                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1156                                                               filter);
1157                         talloc_free(tmp_mem);
1158                         return status;
1159                 }
1160                 ret = cli_credentials_update_keytab(creds);
1161                 if (ret != 0) {
1162                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1163                                                               filter);
1164                         talloc_free(tmp_mem);
1165                         return NT_STATUS_UNSUCCESSFUL;
1166                 }
1167         }
1168
1169         /* move all out parameter to the callers TALLOC_CTX */
1170         r->out.error_string     = NULL;
1171         r->out.join_password    = r2->out.join_password;
1172         talloc_steal(mem_ctx, r2->out.join_password);
1173         r->out.domain_sid       = r2->out.domain_sid;
1174         talloc_steal(mem_ctx, r2->out.domain_sid);
1175         r->out.domain_name      = r2->out.domain_name;
1176         talloc_steal(mem_ctx, r2->out.domain_name);
1177         talloc_free(tmp_mem);
1178         return NT_STATUS_OK;
1179 }
1180
1181 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1182 {
1183         switch (r->in.join_type) {
1184                 case SEC_CHAN_WKSTA:
1185                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1186                 case SEC_CHAN_BDC:
1187                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1188                 case SEC_CHAN_DOMAIN:
1189                         break;
1190         }
1191
1192         r->out.error_string = talloc_asprintf(mem_ctx,
1193                                               "Invalid join type specified (%08X) attempting to join domain %s",
1194                                               r->in.join_type, r->in.domain_name);
1195         return NT_STATUS_INVALID_PARAMETER;
1196 }