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.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "libcli/cldap/cldap.h"
  29 #include "passdb/secrets.h"
  30 #include "dsdb/samdb/samdb.h"
  31
  32 /*
  33  * find out Site specific stuff:
  34  * 1.) setup an CLDAP socket
  35  * 2.) lookup the Site name
  36  * 3.) Add entry CN=<netbios name>,CN=Servers,CN=<site name>,CN=Sites,CN=Configuration,<domain dn>.
  37  * TODO: 4.) use DsAddEntry() to create CN=NTDS Settings,CN=<netbios name>,CN=Servers,CN=<site name>...
  38  */
  39 static NTSTATUS libnet_JoinSite(struct libnet_context *ctx,
  40                                 struct dcerpc_pipe *drsuapi_pipe,
  41                                 struct policy_handle drsuapi_bind_handle,
  42                                 struct ldb_context *remote_ldb,
  43                                 struct libnet_JoinDomain *libnet_r)
  44 {
  45         NTSTATUS status;
  46         TALLOC_CTX *tmp_ctx;
  47
  48         struct cldap_socket *cldap = NULL;
  49         struct cldap_netlogon search;
  50
  51         struct ldb_dn *server_dn;
  52         struct ldb_message *msg;
  53         int rtn;
  54
  55         const char *site_name;
  56         const char *server_dn_str;
  57         const char *config_dn_str;
  58
  59         tmp_ctx = talloc_named(libnet_r, 0, "libnet_JoinSite temp context");
  60         if (!tmp_ctx) {
  61                 libnet_r->out.error_string = NULL;
  62                 return NT_STATUS_NO_MEMORY;
  63         }
  64
  65         /* Resolve the site name. */
  66
  67         ZERO_STRUCT(search);
  68         search.in.dest_address = libnet_r->out.samr_binding->host;
  69         search.in.acct_control = -1;
  70         search.in.version = 6;
  71
  72         cldap = cldap_socket_init(tmp_ctx, NULL);
  73         status = cldap_netlogon(cldap, tmp_ctx, &search);
  74         if (!NT_STATUS_IS_OK(status)) {
  75                 /* Default to using Default-First-Site-Name rather than returning status at this point. */
  76                 site_name = talloc_asprintf(tmp_ctx, "%s", "Default-First-Site-Name");
  77                 if (!site_name) {
  78                         libnet_r->out.error_string = NULL;
  79                         talloc_free(tmp_ctx);
  80                         return NT_STATUS_NO_MEMORY;
  81                 }
  82         } else {
  83                 site_name = search.out.netlogon.logon5.site_name;
  84         }
  85
  86         config_dn_str = talloc_asprintf(tmp_ctx, "CN=Configuration,%s", libnet_r->out.domain_dn_str);
  87         if (!config_dn_str) {
  88                 libnet_r->out.error_string = NULL;
  89                 talloc_free(tmp_ctx);
  90                 return NT_STATUS_NO_MEMORY;
  91         }
  92
  93         server_dn_str = talloc_asprintf(tmp_ctx, "CN=%s,CN=Servers,CN=%s,CN=Sites,%s",
  94                                                  libnet_r->in.netbios_name, site_name, config_dn_str);
  95         if (!server_dn_str) {
  96                 libnet_r->out.error_string = NULL;
  97                 talloc_free(tmp_ctx);
  98                 return NT_STATUS_NO_MEMORY;
  99         }
 100
 101         /*
 102          Add entry CN=<netbios name>,CN=Servers,CN=<site name>,CN=Sites,CN=Configuration,<domain dn>.
 103         */
 104         msg = ldb_msg_new(tmp_ctx);
 105         if (!msg) {
 106                 libnet_r->out.error_string = NULL;
 107                 talloc_free(tmp_ctx);
 108                 return NT_STATUS_NO_MEMORY;
 109         }
 110
 111         rtn = ldb_msg_add_string(msg, "objectClass", "server");
 112         if (rtn != 0) {
 113                 libnet_r->out.error_string = NULL;
 114                 talloc_free(tmp_ctx);
 115                 return NT_STATUS_NO_MEMORY;
 116         }
 117         rtn = ldb_msg_add_string(msg, "systemFlags", "50000000");
 118         if (rtn != 0) {
 119                 libnet_r->out.error_string = NULL;
 120                 talloc_free(tmp_ctx);
 121                 return NT_STATUS_NO_MEMORY;
 122         }
 123         rtn = ldb_msg_add_string(msg, "serverReference",libnet_r->out.account_dn_str);
 124         if (rtn != 0) {
 125                 libnet_r->out.error_string = NULL;
 126                 talloc_free(tmp_ctx);
 127                 return NT_STATUS_NO_MEMORY;
 128         }
 129
 130         server_dn = ldb_dn_explode(tmp_ctx, server_dn_str);
 131         if (server_dn == NULL) {
 132                 libnet_r->out.error_string = talloc_asprintf(libnet_r,
 133                                         "Invalid server dn: %s",
 134                                         server_dn_str);
 135                 talloc_free(tmp_ctx);
 136                 return NT_STATUS_UNSUCCESSFUL;
 137         }
 138
 139         msg->dn = server_dn;
 140
 141         rtn = ldb_add(remote_ldb, msg);
 142         if (rtn == LDB_ERR_ENTRY_ALREADY_EXISTS) {
 143                 int i;
 144
 145                 /* make a 'modify' msg, and only for serverReference */
 146                 msg = ldb_msg_new(tmp_ctx);
 147                 if (!msg) {
 148                         libnet_r->out.error_string = NULL;
 149                         talloc_free(tmp_ctx);
 150                         return NT_STATUS_NO_MEMORY;
 151                 }
 152                 msg->dn = server_dn;
 153
 154                 rtn = ldb_msg_add_string(msg, "serverReference",libnet_r->out.account_dn_str);
 155                 if (rtn != 0) {
 156                         libnet_r->out.error_string = NULL;
 157                         talloc_free(tmp_ctx);
 158                         return NT_STATUS_NO_MEMORY;
 159                 }
 160
 161                 /* mark all the message elements (should be just one)
 162                    as LDB_FLAG_MOD_REPLACE */
 163                 for (i=0;i<msg->num_elements;i++) {
 164                         msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 165                 }
 166
 167                 rtn = ldb_modify(remote_ldb, msg);
 168                 if (rtn != 0) {
 169                         libnet_r->out.error_string
 170                                 = talloc_asprintf(libnet_r,
 171                                                   "Failed to modify server entry %s: %s: %d",
 172                                                   server_dn_str,
 173                                                   ldb_errstring(remote_ldb), rtn);
 174                         talloc_free(tmp_ctx);
 175                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 176                 }
 177         } else if (rtn != 0) {
 178                 libnet_r->out.error_string
 179                         = talloc_asprintf(libnet_r,
 180                                 "Failed to add server entry %s: %s: %d",
 181                                 server_dn_str,
 182                                           ldb_errstring(remote_ldb), rtn);
 183                 talloc_free(tmp_ctx);
 184                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 185         }
 186         DEBUG(0, ("We still need to perform a DsAddEntry() so that we can create the CN=NTDS Settings container.\n"));
 187
 188         /* Store the server DN in libnet_r */
 189         libnet_r->out.server_dn_str = server_dn_str;
 190         talloc_steal(libnet_r, server_dn_str);
 191
 192         talloc_free(tmp_ctx);
 193         return NT_STATUS_OK;
 194 }
 195
 196 /*
 197  * complete a domain join, when joining to a AD domain:
 198  * 1.) connect and bind to the DRSUAPI pipe
 199  * 2.) do a DsCrackNames() to find the machine account dn
 200  * 3.) connect to LDAP
 201  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
 202  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
 203  * 6.) do a DsCrackNames() to find the domain dn
 204  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
 205  */
 206 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
 207 {
 208         NTSTATUS status;
 209
 210         TALLOC_CTX *tmp_ctx;
 211
 212         const char *realm = r->out.realm;
 213
 214         struct dcerpc_binding *samr_binding = r->out.samr_binding;
 215
 216         struct dcerpc_pipe *drsuapi_pipe;
 217         struct dcerpc_binding *drsuapi_binding;
 218         struct drsuapi_DsBind r_drsuapi_bind;
 219         struct drsuapi_DsCrackNames r_crack_names;
 220         struct drsuapi_DsNameString names[1];
 221         struct policy_handle drsuapi_bind_handle;
 222         struct GUID drsuapi_bind_guid;
 223
 224         struct ldb_context *remote_ldb;
 225         const struct ldb_dn *account_dn;
 226         const char *account_dn_str;
 227         const char *remote_ldb_url;
 228         struct ldb_result *res;
 229         struct ldb_message *msg;
 230
 231         int ret, rtn;
 232
 233         unsigned int kvno;
 234
 235         const char * const attrs[] = {
 236                 "msDS-KeyVersionNumber",
 237                 "servicePrincipalName",
 238                 "dNSHostName",
 239                 NULL,
 240         };
 241
 242         r->out.error_string = NULL;
 243
 244         /* We need to convert between a samAccountName and domain to a
 245          * DN in the directory.  The correct way to do this is with
 246          * DRSUAPI CrackNames */
 247
 248         /* Fiddle with the bindings, so get to DRSUAPI on
 249          * NCACN_IP_TCP, sealed */
 250         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
 251         if (!tmp_ctx) {
 252                 r->out.error_string = NULL;
 253                 return NT_STATUS_NO_MEMORY;
 254         }
 255
 256         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
 257         if (!drsuapi_binding) {
 258                 r->out.error_string = NULL;
 259                 talloc_free(tmp_ctx);
 260                 return NT_STATUS_NO_MEMORY;
 261         }
 262
 263         *drsuapi_binding = *samr_binding;
 264
 265         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 266         if (drsuapi_binding->transport != NCALRPC) {
 267                 drsuapi_binding->transport = NCACN_IP_TCP;
 268         }
 269         drsuapi_binding->endpoint = NULL;
 270         drsuapi_binding->flags |= DCERPC_SEAL;
 271
 272         status = dcerpc_pipe_connect_b(tmp_ctx,
 273                                        &drsuapi_pipe,
 274                                        drsuapi_binding,
 275                                        &dcerpc_table_drsuapi,
 276                                        ctx->cred,
 277                                        ctx->event_ctx);
 278         if (!NT_STATUS_IS_OK(status)) {
 279                 r->out.error_string = talloc_asprintf(r,
 280                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 281                                         r->in.domain_name,
 282                                         nt_errstr(status));
 283                 talloc_free(tmp_ctx);
 284                 return status;
 285         }
 286
 287         /* get a DRSUAPI pipe handle */
 288         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 289
 290         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 291         r_drsuapi_bind.in.bind_info = NULL;
 292         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 293
 294         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 295         if (!NT_STATUS_IS_OK(status)) {
 296                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 297                         r->out.error_string
 298                                 = talloc_asprintf(r,
 299                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 300                                                   r->in.domain_name, r->in.account_name,
 301                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 302                         talloc_free(tmp_ctx);
 303                         return status;
 304                 } else {
 305                         r->out.error_string
 306                                 = talloc_asprintf(r,
 307                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 308                                                   r->in.domain_name, r->in.account_name,
 309                                                   nt_errstr(status));
 310                         talloc_free(tmp_ctx);
 311                         return status;
 312                 }
 313         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 314                 r->out.error_string
 315                                 = talloc_asprintf(r,
 316                                                   "DsBind failed - %s\n",
 317                                                   win_errstr(r_drsuapi_bind.out.result));
 318                         talloc_free(tmp_ctx);
 319                 return NT_STATUS_UNSUCCESSFUL;
 320         }
 321
 322         /* Actually 'crack' the names */
 323         ZERO_STRUCT(r_crack_names);
 324         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 325         r_crack_names.in.level                  = 1;
 326         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 327         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 328         r_crack_names.in.req.req1.count         = 1;
 329         r_crack_names.in.req.req1.names         = names;
 330         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 331         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 332         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 333         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 334         if (!names[0].str) {
 335                 r->out.error_string = NULL;
 336                 talloc_free(tmp_ctx);
 337                 return NT_STATUS_NO_MEMORY;
 338         }
 339
 340         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 341         if (!NT_STATUS_IS_OK(status)) {
 342                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 343                         r->out.error_string
 344                                 = talloc_asprintf(r,
 345                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 346                                                   names[0].str,
 347                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 348                         talloc_free(tmp_ctx);
 349                         return status;
 350                 } else {
 351                         r->out.error_string
 352                                 = talloc_asprintf(r,
 353                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 354                                                   names[0].str,
 355                                                   nt_errstr(status));
 356                         talloc_free(tmp_ctx);
 357                         return status;
 358                 }
 359         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 360                 r->out.error_string
 361                                 = talloc_asprintf(r,
 362                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 363                 talloc_free(tmp_ctx);
 364                 return NT_STATUS_UNSUCCESSFUL;
 365         } else if (r_crack_names.out.level != 1
 366                    || !r_crack_names.out.ctr.ctr1
 367                    || r_crack_names.out.ctr.ctr1->count != 1
 368                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 369                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 370                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 371                 talloc_free(tmp_ctx);
 372                 return NT_STATUS_UNSUCCESSFUL;
 373         }
 374
 375         /* Store the DN of our machine account. */
 376         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 377
 378         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 379         if (!account_dn) {
 380                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 381                                                       account_dn_str);
 382                 talloc_free(tmp_ctx);
 383                 return NT_STATUS_UNSUCCESSFUL;
 384         }
 385
 386         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 387
 388         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 389                                          drsuapi_binding->host);
 390         if (!remote_ldb_url) {
 391                 r->out.error_string = NULL;
 392                 talloc_free(tmp_ctx);
 393                 return NT_STATUS_NO_MEMORY;
 394         }
 395
 396         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 397                                       NULL, ctx->cred, 0, NULL);
 398         if (!remote_ldb) {
 399                 r->out.error_string = NULL;
 400                 talloc_free(tmp_ctx);
 401                 return NT_STATUS_UNSUCCESSFUL;
 402         }
 403
 404         /* search for the user's record */
 405         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 406                              NULL, attrs, &res);
 407         if (ret != LDB_SUCCESS || res->count != 1) {
 408                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 409                                                       account_dn_str, ldb_errstring(remote_ldb));
 410                 talloc_free(tmp_ctx);
 411                 return NT_STATUS_UNSUCCESSFUL;
 412         }
 413
 414         /* If we have a kvno recorded in AD, we need it locally as well */
 415         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 416
 417         /* Prepare a new message, for the modify */
 418         msg = ldb_msg_new(tmp_ctx);
 419         if (!msg) {
 420                 r->out.error_string = NULL;
 421                 talloc_free(tmp_ctx);
 422                 return NT_STATUS_NO_MEMORY;
 423         }
 424         msg->dn = res->msgs[0]->dn;
 425
 426         {
 427                 int i;
 428                 const char *service_principal_name[6];
 429                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 430                                                             talloc_asprintf(tmp_ctx,
 431                                                                             "%s.%s",
 432                                                                             r->in.netbios_name,
 433                                                                             realm));
 434
 435                 if (!dns_host_name) {
 436                         r->out.error_string = NULL;
 437                         talloc_free(tmp_ctx);
 438                         return NT_STATUS_NO_MEMORY;
 439                 }
 440
 441                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 442                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 443                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 444                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 445                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 446                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 447
 448                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 449                         if (!service_principal_name[i]) {
 450                                 r->out.error_string = NULL;
 451                                 talloc_free(tmp_ctx);
 452                                 return NT_STATUS_NO_MEMORY;
 453                         }
 454                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 455                         if (rtn == -1) {
 456                                 r->out.error_string = NULL;
 457                                 talloc_free(tmp_ctx);
 458                                 return NT_STATUS_NO_MEMORY;
 459                         }
 460                 }
 461
 462                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 463                 if (rtn == -1) {
 464                         r->out.error_string = NULL;
 465                         talloc_free(tmp_ctx);
 466                         return NT_STATUS_NO_MEMORY;
 467                 }
 468
 469                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 470                 if (rtn != 0) {
 471                         r->out.error_string
 472                                 = talloc_asprintf(r,
 473                                                   "Failed to replace entries on %s\n",
 474                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 475                         talloc_free(tmp_ctx);
 476                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 477                 }
 478         }
 479
 480         /* DsCrackNames to find out the DN of the domain. */
 481         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 482         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 483         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 484         if (!names[0].str) {
 485                 r->out.error_string = NULL;
 486                 talloc_free(tmp_ctx);
 487                 return NT_STATUS_NO_MEMORY;
 488         }
 489
 490         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 491         if (!NT_STATUS_IS_OK(status)) {
 492                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 493                         r->out.error_string
 494                                 = talloc_asprintf(r,
 495                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 496                                                   r->in.domain_name,
 497                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 498                         talloc_free(tmp_ctx);
 499                         return status;
 500                 } else {
 501                         r->out.error_string
 502                                 = talloc_asprintf(r,
 503                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 504                                                   r->in.domain_name,
 505                                                   nt_errstr(status));
 506                         talloc_free(tmp_ctx);
 507                         return status;
 508                 }
 509         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 510                 r->out.error_string
 511                         = talloc_asprintf(r,
 512                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 513                 talloc_free(tmp_ctx);
 514                 return NT_STATUS_UNSUCCESSFUL;
 515         } else if (r_crack_names.out.level != 1
 516                    || !r_crack_names.out.ctr.ctr1
 517                    || r_crack_names.out.ctr.ctr1->count != 1
 518                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 519                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 520                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 521                 talloc_free(tmp_ctx);
 522                 return NT_STATUS_UNSUCCESSFUL;
 523         }
 524
 525         /* Store the account DN. */
 526         r->out.account_dn_str = account_dn_str;
 527         talloc_steal(r, account_dn_str);
 528
 529         /* Store the domain DN. */
 530         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 531         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 532
 533         r->out.kvno = kvno;
 534
 535         if (r->in.acct_type ==  ACB_SVRTRUST) {
 536                 status = libnet_JoinSite(ctx,
 537                                          drsuapi_pipe, drsuapi_bind_handle,
 538                                          remote_ldb, r);
 539         }
 540         talloc_free(tmp_ctx);
 541
 542         return status;
 543 }
 544
 545 /*
 546  * do a domain join using DCERPC/SAMR calls
 547  * - connect to the LSA pipe, to try and find out information about the domain
 548  * - create a secondary connection to SAMR pipe
 549  * - do a samr_Connect to get a policy handle
 550  * - do a samr_LookupDomain to get the domain sid
 551  * - do a samr_OpenDomain to get a domain handle
 552  * - do a samr_CreateAccount to try and get a new account
 553  *
 554  * If that fails, do:
 555  * - do a samr_LookupNames to get the users rid
 556  * - do a samr_OpenUser to get a user handle
 557  * - potentially delete and recreate the user
 558  * - assert the account is of the right type with samrQueryUserInfo
 559  *
 560  * - call libnet_SetPassword_samr_handle to set the password
 561  *
 562  * - do a samrSetUserInfo to set the account flags
 563  * - do some ADS specific things when we join as Domain Controller,
 564  *    look at libnet_joinADSDomain() for the details
 565  */
 566 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 567 {
 568         TALLOC_CTX *tmp_ctx;
 569
 570         NTSTATUS status, cu_status;
 571
 572         struct libnet_RpcConnectDCInfo *connect_with_info;
 573         struct dcerpc_pipe *samr_pipe;
 574
 575         struct samr_Connect sc;
 576         struct policy_handle p_handle;
 577         struct samr_OpenDomain od;
 578         struct policy_handle d_handle;
 579         struct samr_LookupNames ln;
 580         struct samr_OpenUser ou;
 581         struct samr_CreateUser2 cu;
 582         struct policy_handle *u_handle = NULL;
 583         struct samr_QueryUserInfo qui;
 584         struct samr_SetUserInfo sui;
 585         union samr_UserInfo u_info;
 586         union libnet_SetPassword r2;
 587         struct samr_GetUserPwInfo pwp;
 588         struct lsa_String samr_account_name;
 589
 590         uint32_t acct_flags, old_acct_flags;
 591         uint32_t rid, access_granted;
 592         int policy_min_pw_len = 0;
 593
 594         struct dom_sid *account_sid = NULL;
 595         const char *password_str = NULL;
 596
 597         r->out.error_string = NULL;
 598         r2.samr_handle.out.error_string = NULL;
 599
 600         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 601         if (!tmp_ctx) {
 602                 r->out.error_string = NULL;
 603                 return NT_STATUS_NO_MEMORY;
 604         }
 605
 606         u_handle = talloc(tmp_ctx, struct policy_handle);
 607         if (!u_handle) {
 608                 r->out.error_string = NULL;
 609                 talloc_free(tmp_ctx);
 610                 return NT_STATUS_NO_MEMORY;
 611         }
 612
 613         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnectDCInfo);
 614         if (!connect_with_info) {
 615                 r->out.error_string = NULL;
 616                 talloc_free(tmp_ctx);
 617                 return NT_STATUS_NO_MEMORY;
 618         }
 619
 620         /* prepare connect to the LSA pipe of PDC */
 621         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 622                 connect_with_info->level      = LIBNET_RPC_CONNECT_PDC;
 623                 connect_with_info->in.name    = r->in.domain_name;
 624         } else {
 625                 connect_with_info->level      = LIBNET_RPC_CONNECT_BINDING;
 626                 connect_with_info->in.binding = r->in.binding;
 627         }
 628
 629         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 630         /*
 631           establish a SAMR connection, on the same CIFS transport
 632         */
 633
 634         status = libnet_RpcConnectDCInfo(ctx, connect_with_info);
 635         if (!NT_STATUS_IS_OK(status)) {
 636                 if (r->in.binding) {
 637                         r->out.error_string = talloc_asprintf(mem_ctx,
 638                                                               "Connection to SAMR pipe of DC %s failed: %s",
 639                                                               r->in.binding, connect_with_info->out.error_string);
 640                 } else {
 641                         r->out.error_string = talloc_asprintf(mem_ctx,
 642                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 643                                                               r->in.domain_name, connect_with_info->out.error_string);
 644                 }
 645                 talloc_free(tmp_ctx);
 646                 return status;
 647         }
 648
 649         samr_pipe = connect_with_info->out.dcerpc_pipe,
 650
 651         status = dcerpc_pipe_auth(samr_pipe,
 652                                   connect_with_info->out.dcerpc_pipe->binding,
 653                                   &dcerpc_table_samr, ctx->cred);
 654         if (!NT_STATUS_IS_OK(status)) {
 655                 r->out.error_string = talloc_asprintf(mem_ctx,
 656                                                 "SAMR bind failed: %s",
 657                                                 nt_errstr(status));
 658                 talloc_free(tmp_ctx);
 659                 return status;
 660         }
 661
 662         /* prepare samr_Connect */
 663         ZERO_STRUCT(p_handle);
 664         sc.in.system_name = NULL;
 665         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 666         sc.out.connect_handle = &p_handle;
 667
 668         /* 2. do a samr_Connect to get a policy handle */
 669         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 670         if (!NT_STATUS_IS_OK(status)) {
 671                 r->out.error_string = talloc_asprintf(mem_ctx,
 672                                                 "samr_Connect failed: %s",
 673                                                 nt_errstr(status));
 674                 talloc_free(tmp_ctx);
 675                 return status;
 676         }
 677
 678         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 679         if (!connect_with_info->out.domain_name) {
 680                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 681                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 682                 } else {
 683                         /* Bugger, we just lost our way to automaticly find the domain name */
 684                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 685                 }
 686         }
 687
 688         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 689         if (!connect_with_info->out.domain_sid) {
 690                 struct lsa_String name;
 691                 struct samr_LookupDomain l;
 692                 name.string = connect_with_info->out.domain_name;
 693                 l.in.connect_handle = &p_handle;
 694                 l.in.domain_name = &name;
 695
 696                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 697                 if (!NT_STATUS_IS_OK(status)) {
 698                         r->out.error_string = talloc_asprintf(mem_ctx,
 699                                                               "SAMR LookupDomain failed: %s",
 700                                                               nt_errstr(status));
 701                         talloc_free(tmp_ctx);
 702                         return status;
 703                 }
 704                 connect_with_info->out.domain_sid = l.out.sid;
 705         }
 706
 707         /* prepare samr_OpenDomain */
 708         ZERO_STRUCT(d_handle);
 709         od.in.connect_handle = &p_handle;
 710         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 711         od.in.sid = connect_with_info->out.domain_sid;
 712         od.out.domain_handle = &d_handle;
 713
 714         /* do a samr_OpenDomain to get a domain handle */
 715         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 716         if (!NT_STATUS_IS_OK(status)) {
 717                 r->out.error_string = talloc_asprintf(mem_ctx,
 718                                                       "samr_OpenDomain for [%s] failed: %s",
 719                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 720                                                       nt_errstr(status));
 721                 talloc_free(tmp_ctx);
 722                 return status;
 723         }
 724
 725         /* prepare samr_CreateUser2 */
 726         ZERO_STRUCTP(u_handle);
 727         cu.in.domain_handle  = &d_handle;
 728         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 729         samr_account_name.string = r->in.account_name;
 730         cu.in.account_name    = &samr_account_name;
 731         cu.in.acct_flags      = r->in.acct_type;
 732         cu.out.user_handle    = u_handle;
 733         cu.out.rid            = &rid;
 734         cu.out.access_granted = &access_granted;
 735
 736         /* do a samr_CreateUser2 to get an account handle, or an error */
 737         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 738         status = cu_status;
 739         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 740                 /* prepare samr_LookupNames */
 741                 ln.in.domain_handle = &d_handle;
 742                 ln.in.num_names = 1;
 743                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 744                 if (!ln.in.names) {
 745                         r->out.error_string = NULL;
 746                         talloc_free(tmp_ctx);
 747                         return NT_STATUS_NO_MEMORY;
 748                 }
 749                 ln.in.names[0].string = r->in.account_name;
 750
 751                 /* 5. do a samr_LookupNames to get the users rid */
 752                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 753                 if (!NT_STATUS_IS_OK(status)) {
 754                         r->out.error_string = talloc_asprintf(mem_ctx,
 755                                                 "samr_LookupNames for [%s] failed: %s",
 756                                                 r->in.account_name,
 757                                                 nt_errstr(status));
 758                         talloc_free(tmp_ctx);
 759                         return status;
 760                 }
 761
 762                 /* check if we got one RID for the user */
 763                 if (ln.out.rids.count != 1) {
 764                         r->out.error_string = talloc_asprintf(mem_ctx,
 765                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 766                                                               r->in.account_name, ln.out.rids.count);
 767                         talloc_free(tmp_ctx);
 768                         return NT_STATUS_INVALID_PARAMETER;
 769                 }
 770
 771                 /* prepare samr_OpenUser */
 772                 ZERO_STRUCTP(u_handle);
 773                 ou.in.domain_handle = &d_handle;
 774                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 775                 ou.in.rid = ln.out.rids.ids[0];
 776                 rid = ou.in.rid;
 777                 ou.out.user_handle = u_handle;
 778
 779                 /* 6. do a samr_OpenUser to get a user handle */
 780                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 781                 if (!NT_STATUS_IS_OK(status)) {
 782                         r->out.error_string = talloc_asprintf(mem_ctx,
 783                                                         "samr_OpenUser for [%s] failed: %s",
 784                                                         r->in.account_name,
 785                                                         nt_errstr(status));
 786                         talloc_free(tmp_ctx);
 787                         return status;
 788                 }
 789
 790                 if (r->in.recreate_account) {
 791                         struct samr_DeleteUser d;
 792                         d.in.user_handle = u_handle;
 793                         d.out.user_handle = u_handle;
 794                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 795                         if (!NT_STATUS_IS_OK(status)) {
 796                                 r->out.error_string = talloc_asprintf(mem_ctx,
 797                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 798                                                                       r->in.account_name,
 799                                                                       nt_errstr(status));
 800                                 talloc_free(tmp_ctx);
 801                                 return status;
 802                         }
 803
 804                         /* We want to recreate, so delete and another samr_CreateUser2 */
 805
 806                         /* &cu filled in above */
 807                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 808                         if (!NT_STATUS_IS_OK(status)) {
 809                                 r->out.error_string = talloc_asprintf(mem_ctx,
 810                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 811                                                                       r->in.domain_name, nt_errstr(status));
 812                                 talloc_free(tmp_ctx);
 813                                 return status;
 814                         }
 815                 }
 816         } else if (!NT_STATUS_IS_OK(status)) {
 817                 r->out.error_string = talloc_asprintf(mem_ctx,
 818                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 819                                                       r->in.domain_name, nt_errstr(status));
 820                 talloc_free(tmp_ctx);
 821                 return status;
 822         }
 823
 824         /* prepare samr_QueryUserInfo (get flags) */
 825         qui.in.user_handle = u_handle;
 826         qui.in.level = 16;
 827
 828         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 829         if (!NT_STATUS_IS_OK(status)) {
 830                 r->out.error_string = talloc_asprintf(mem_ctx,
 831                                                 "samr_QueryUserInfo for [%s] failed: %s",
 832                                                 r->in.account_name,
 833                                                 nt_errstr(status));
 834                 talloc_free(tmp_ctx);
 835                 return status;
 836         }
 837
 838         if (!qui.out.info) {
 839                 status = NT_STATUS_INVALID_PARAMETER;
 840                 r->out.error_string
 841                         = talloc_asprintf(mem_ctx,
 842                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 843                                           r->in.account_name, nt_errstr(status));
 844                 talloc_free(tmp_ctx);
 845                 return status;
 846         }
 847
 848         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 849         /* Possibly bail if the account is of the wrong type */
 850         if (old_acct_flags
 851             != r->in.acct_type) {
 852                 const char *old_account_type, *new_account_type;
 853                 switch (old_acct_flags) {
 854                 case ACB_WSTRUST:
 855                         old_account_type = "domain member (member)";
 856                         break;
 857                 case ACB_SVRTRUST:
 858                         old_account_type = "domain controller (bdc)";
 859                         break;
 860                 case ACB_DOMTRUST:
 861                         old_account_type = "trusted domain";
 862                         break;
 863                 default:
 864                         return NT_STATUS_INVALID_PARAMETER;
 865                 }
 866                 switch (r->in.acct_type) {
 867                 case ACB_WSTRUST:
 868                         new_account_type = "domain member (member)";
 869                         break;
 870                 case ACB_SVRTRUST:
 871                         new_account_type = "domain controller (bdc)";
 872                         break;
 873                 case ACB_DOMTRUST:
 874                         new_account_type = "trusted domain";
 875                         break;
 876                 default:
 877                         return NT_STATUS_INVALID_PARAMETER;
 878                 }
 879
 880                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 881                         /* We created a new user, but they didn't come out the right type?!? */
 882                         r->out.error_string
 883                                 = talloc_asprintf(mem_ctx,
 884                                                   "We asked to create a new machine account (%s) of type %s, "
 885                                                   "but we got an account of type %s.  This is unexpected.  "
 886                                                   "Perhaps delete the account and try again.\n",
 887                                                   r->in.account_name, new_account_type, old_account_type);
 888                         talloc_free(tmp_ctx);
 889                         return NT_STATUS_INVALID_PARAMETER;
 890                 } else {
 891                         /* The account is of the wrong type, so bail */
 892
 893                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 894                         r->out.error_string
 895                                 = talloc_asprintf(mem_ctx,
 896                                                   "The machine account (%s) already exists in the domain %s, "
 897                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 898                                                   "the account and try again.\n",
 899                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 900                         talloc_free(tmp_ctx);
 901                         return NT_STATUS_USER_EXISTS;
 902                 }
 903         } else {
 904                 acct_flags = qui.out.info->info16.acct_flags;
 905         }
 906
 907         acct_flags = (acct_flags & ~ACB_DISABLED);
 908
 909         /* Find out what password policy this user has */
 910         pwp.in.user_handle = u_handle;
 911
 912         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 913         if (NT_STATUS_IS_OK(status)) {
 914                 policy_min_pw_len = pwp.out.info.min_password_length;
 915         }
 916
 917         /* Grab a password of that minimum length */
 918
 919         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 920
 921         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 922         r2.samr_handle.in.account_name  = r->in.account_name;
 923         r2.samr_handle.in.newpassword   = password_str;
 924         r2.samr_handle.in.user_handle   = u_handle;
 925         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 926
 927         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 928         if (!NT_STATUS_IS_OK(status)) {
 929                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 930                 talloc_free(tmp_ctx);
 931                 return status;
 932         }
 933
 934         /* reset flags (if required) */
 935         if (acct_flags != qui.out.info->info16.acct_flags) {
 936                 ZERO_STRUCT(u_info);
 937                 u_info.info16.acct_flags = acct_flags;
 938
 939                 sui.in.user_handle = u_handle;
 940                 sui.in.info = &u_info;
 941                 sui.in.level = 16;
 942
 943                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 944                 if (!NT_STATUS_IS_OK(status)) {
 945                         r->out.error_string = talloc_asprintf(mem_ctx,
 946                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 947                                                         r->in.account_name,
 948                                                         nt_errstr(status));
 949                         talloc_free(tmp_ctx);
 950                         return status;
 951                 }
 952         }
 953
 954         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 955         if (!account_sid) {
 956                 r->out.error_string = NULL;
 957                 talloc_free(tmp_ctx);
 958                 return NT_STATUS_NO_MEMORY;
 959         }
 960
 961         /* Finish out by pushing various bits of status data out for the caller to use */
 962         r->out.join_password = password_str;
 963         talloc_steal(mem_ctx, r->out.join_password);
 964
 965         r->out.domain_sid = connect_with_info->out.domain_sid;
 966         talloc_steal(mem_ctx, r->out.domain_sid);
 967
 968         r->out.account_sid = account_sid;
 969         talloc_steal(mem_ctx, r->out.account_sid);
 970
 971         r->out.domain_name = connect_with_info->out.domain_name;
 972         talloc_steal(mem_ctx, r->out.domain_name);
 973         r->out.realm = connect_with_info->out.realm;
 974         talloc_steal(mem_ctx, r->out.realm);
 975         r->out.samr_pipe = samr_pipe;
 976         talloc_steal(mem_ctx, samr_pipe);
 977         r->out.samr_binding = samr_pipe->binding;
 978         talloc_steal(mem_ctx, r->out.samr_binding);
 979         r->out.user_handle = u_handle;
 980         talloc_steal(mem_ctx, u_handle);
 981         r->out.error_string = r2.samr_handle.out.error_string;
 982         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 983         r->out.kvno = 0;
 984         r->out.server_dn_str = NULL;
 985         talloc_free(tmp_ctx);
 986
 987         /* Now, if it was AD, then we want to start looking changing a
 988          * few more things.  Otherwise, we are done. */
 989         if (r->out.realm) {
 990                 status = libnet_JoinADSDomain(ctx, r);
 991                 return status;
 992         }
 993
 994         return status;
 995 }
 996
 997 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 998                                            TALLOC_CTX *mem_ctx,
 999                                            struct libnet_Join *r)
1000 {
1001         NTSTATUS status;
1002         TALLOC_CTX *tmp_mem;
1003         struct libnet_JoinDomain *r2;
1004         int ret, rtn;
1005         struct ldb_context *ldb;
1006         const struct ldb_dn *base_dn;
1007         struct ldb_message **msgs, *msg;
1008         const char *sct;
1009         const char * const attrs[] = {
1010                 "whenChanged",
1011                 "secret",
1012                 "priorSecret",
1013                 "priorChanged",
1014                 NULL
1015         };
1016         uint32_t acct_type = 0;
1017         const char *account_name;
1018         const char *netbios_name;
1019         char *filter;
1020
1021         r->out.error_string = NULL;
1022
1023         tmp_mem = talloc_new(mem_ctx);
1024         if (!tmp_mem) {
1025                 return NT_STATUS_NO_MEMORY;
1026         }
1027
1028         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
1029         if (!r2) {
1030                 r->out.error_string = NULL;
1031                 talloc_free(tmp_mem);
1032                 return NT_STATUS_NO_MEMORY;
1033         }
1034
1035         if (r->in.join_type == SEC_CHAN_BDC) {
1036                 acct_type = ACB_SVRTRUST;
1037         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
1038                 acct_type = ACB_WSTRUST;
1039         } else {
1040                 r->out.error_string = NULL;
1041                 talloc_free(tmp_mem);
1042                 return NT_STATUS_INVALID_PARAMETER;
1043         }
1044
1045         if (r->in.netbios_name != NULL) {
1046                 netbios_name = r->in.netbios_name;
1047         } else {
1048                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
1049                 if (!netbios_name) {
1050                         r->out.error_string = NULL;
1051                         talloc_free(tmp_mem);
1052                         return NT_STATUS_NO_MEMORY;
1053                 }
1054         }
1055
1056         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
1057         if (!account_name) {
1058                 r->out.error_string = NULL;
1059                 talloc_free(tmp_mem);
1060                 return NT_STATUS_NO_MEMORY;
1061         }
1062
1063         /*
1064          * Local secrets are stored in secrets.ldb
1065          * open it to make sure we can write the info into it after the join
1066          */
1067         ldb = secrets_db_connect(tmp_mem);
1068         if (!ldb) {
1069                 r->out.error_string
1070                         = talloc_asprintf(mem_ctx,
1071                                           "Could not open secrets database\n");
1072                 talloc_free(tmp_mem);
1073                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1074         }
1075
1076         /*
1077          * join the domain
1078          */
1079         ZERO_STRUCTP(r2);
1080         r2->in.domain_name      = r->in.domain_name;
1081         r2->in.account_name     = account_name;
1082         r2->in.netbios_name     = netbios_name;
1083         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
1084         r2->in.acct_type        = acct_type;
1085         r2->in.recreate_account = False;
1086         status = libnet_JoinDomain(ctx, r2, r2);
1087         if (!NT_STATUS_IS_OK(status)) {
1088                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
1089                 talloc_free(tmp_mem);
1090                 return status;
1091         }
1092
1093         /*
1094          * now prepare the record for secrets.ldb
1095          */
1096         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
1097         if (!sct) {
1098                 r->out.error_string = NULL;
1099                 talloc_free(tmp_mem);
1100                 return NT_STATUS_NO_MEMORY;
1101         }
1102
1103         msg = ldb_msg_new(tmp_mem);
1104         if (!msg) {
1105                 r->out.error_string = NULL;
1106                 talloc_free(tmp_mem);
1107                 return NT_STATUS_NO_MEMORY;
1108         }
1109
1110         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
1111         if (!base_dn) {
1112                 r->out.error_string = NULL;
1113                 talloc_free(tmp_mem);
1114                 return NT_STATUS_NO_MEMORY;
1115         }
1116
1117         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
1118         if (!msg->dn) {
1119                 r->out.error_string = NULL;
1120                 talloc_free(tmp_mem);
1121                 return NT_STATUS_NO_MEMORY;
1122         }
1123
1124         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
1125         if (rtn == -1) {
1126                 r->out.error_string = NULL;
1127                 talloc_free(tmp_mem);
1128                 return NT_STATUS_NO_MEMORY;
1129         }
1130
1131         if (r2->out.realm) {
1132                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
1133                 if (rtn == -1) {
1134                         r->out.error_string = NULL;
1135                         talloc_free(tmp_mem);
1136                         return NT_STATUS_NO_MEMORY;
1137                 }
1138
1139                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
1140                 if (rtn == -1) {
1141                         r->out.error_string = NULL;
1142                         talloc_free(tmp_mem);
1143                         return NT_STATUS_NO_MEMORY;
1144                 }
1145         }
1146
1147         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
1148         if (rtn == -1) {
1149                 r->out.error_string = NULL;
1150                 talloc_free(tmp_mem);
1151                 return NT_STATUS_NO_MEMORY;
1152         }
1153
1154         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1155         if (rtn == -1) {
1156                 r->out.error_string = NULL;
1157                 talloc_free(tmp_mem);
1158                 return NT_STATUS_NO_MEMORY;
1159         }
1160
1161         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1162         if (rtn == -1) {
1163                 r->out.error_string = NULL;
1164                 talloc_free(tmp_mem);
1165                 return NT_STATUS_NO_MEMORY;
1166         }
1167
1168         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1169         if (rtn == -1) {
1170                 r->out.error_string = NULL;
1171                 talloc_free(tmp_mem);
1172                 return NT_STATUS_NO_MEMORY;
1173         }
1174
1175         if (r2->out.kvno) {
1176                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1177                                          r2->out.kvno);
1178                 if (rtn == -1) {
1179                         r->out.error_string = NULL;
1180                         talloc_free(tmp_mem);
1181                         return NT_STATUS_NO_MEMORY;
1182                 }
1183         }
1184
1185         if (r2->out.domain_sid) {
1186                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1187                                             r2->out.domain_sid);
1188                 if (rtn == -1) {
1189                         r->out.error_string = NULL;
1190                         talloc_free(tmp_mem);
1191                         return NT_STATUS_NO_MEMORY;
1192                 }
1193         }
1194
1195         /*
1196          * search for the secret record
1197          * - remove the records we find
1198          * - and fetch the old secret and store it under priorSecret
1199          */
1200         ret = gendb_search(ldb,
1201                            tmp_mem, base_dn,
1202                            &msgs, attrs,
1203                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1204                            r2->out.domain_name, r2->out.realm);
1205         if (ret == 0) {
1206         } else if (ret == -1) {
1207                 r->out.error_string
1208                         = talloc_asprintf(mem_ctx,
1209                                           "Search for domain: %s and realm: %s failed: %s",
1210                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1211                 talloc_free(tmp_mem);
1212                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1213         } else {
1214                 const struct ldb_val *prior_secret;
1215                 const struct ldb_val *prior_modified_time;
1216                 int i;
1217
1218                 for (i = 0; i < ret; i++) {
1219                         ldb_delete(ldb, msgs[i]->dn);
1220                 }
1221
1222                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1223                 if (prior_secret) {
1224                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1225                         if (rtn == -1) {
1226                                 r->out.error_string = NULL;
1227                                 talloc_free(tmp_mem);
1228                                 return NT_STATUS_NO_MEMORY;
1229                         }
1230                 }
1231                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1232                 if (rtn == -1) {
1233                         r->out.error_string = NULL;
1234                         talloc_free(tmp_mem);
1235                         return NT_STATUS_NO_MEMORY;
1236                 }
1237
1238                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1239                                                            "whenChanged");
1240                 if (prior_modified_time) {
1241                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1242                                                   prior_modified_time);
1243                         if (rtn == -1) {
1244                                 r->out.error_string = NULL;
1245                                 talloc_free(tmp_mem);
1246                                 return NT_STATUS_NO_MEMORY;
1247                         }
1248                 }
1249
1250                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1251                 if (rtn == -1) {
1252                         r->out.error_string = NULL;
1253                         talloc_free(tmp_mem);
1254                         return NT_STATUS_NO_MEMORY;
1255                 }
1256
1257                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1258                 if (rtn == -1) {
1259                         r->out.error_string = NULL;
1260                         talloc_free(tmp_mem);
1261                         return NT_STATUS_NO_MEMORY;
1262                 }
1263         }
1264
1265         /* create the secret */
1266         ret = samdb_add(ldb, tmp_mem, msg);
1267         if (ret != 0) {
1268                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1269                                                       ldb_dn_linearize(ldb, msg->dn));
1270                 talloc_free(tmp_mem);
1271                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1272         }
1273
1274         if (r2->out.realm) {
1275                 struct cli_credentials *creds;
1276                 /* Make a credentials structure from it */
1277                 creds = cli_credentials_init(mem_ctx);
1278                 if (!creds) {
1279                         r->out.error_string = NULL;
1280                         talloc_free(tmp_mem);
1281                         return NT_STATUS_NO_MEMORY;
1282                 }
1283                 cli_credentials_set_conf(creds);
1284                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1285                 status = cli_credentials_set_secrets(creds, NULL, filter);
1286                 if (!NT_STATUS_IS_OK(status)) {
1287                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1288                                                               filter);
1289                         talloc_free(tmp_mem);
1290                         return status;
1291                 }
1292                 ret = cli_credentials_update_keytab(creds);
1293                 if (ret != 0) {
1294                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1295                                                               filter);
1296                         talloc_free(tmp_mem);
1297                         return NT_STATUS_UNSUCCESSFUL;
1298                 }
1299         }
1300
1301         /* move all out parameter to the callers TALLOC_CTX */
1302         r->out.error_string     = NULL;
1303         r->out.join_password    = r2->out.join_password;
1304         talloc_steal(mem_ctx, r2->out.join_password);
1305         r->out.domain_sid       = r2->out.domain_sid;
1306         talloc_steal(mem_ctx, r2->out.domain_sid);
1307         r->out.domain_name      = r2->out.domain_name;
1308         talloc_steal(mem_ctx, r2->out.domain_name);
1309         talloc_free(tmp_mem);
1310         return NT_STATUS_OK;
1311 }
1312
1313 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1314 {
1315         switch (r->in.join_type) {
1316                 case SEC_CHAN_WKSTA:
1317                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1318                 case SEC_CHAN_BDC:
1319                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1320                 case SEC_CHAN_DOMAIN:
1321                         break;
1322         }
1323
1324         r->out.error_string = talloc_asprintf(mem_ctx,
1325                                               "Invalid join type specified (%08X) attempting to join domain %s",
1326                                               r->in.join_type, r->in.domain_name);
1327         return NT_STATUS_INVALID_PARAMETER;
1328 }