source4/ldap_server/ldap_server.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    LDAP server
   5
   6    Copyright (C) Andrew Tridgell 2005
   7    Copyright (C) Volker Lendecke 2004
   8    Copyright (C) Stefan Metzmacher 2004
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "lib/events/events.h"
  26 #include "auth/auth.h"
  27 #include "auth/credentials/credentials.h"
  28 #include "librpc/gen_ndr/ndr_samr.h"
  29 #include "../lib/util/dlinklist.h"
  30 #include "../lib/util/asn1.h"
  31 #include "ldap_server/ldap_server.h"
  32 #include "smbd/service_task.h"
  33 #include "smbd/service_stream.h"
  34 #include "smbd/service.h"
  35 #include "smbd/process_model.h"
  36 #include "lib/tls/tls.h"
  37 #include "lib/messaging/irpc.h"
  38 #include "lib/ldb/include/ldb.h"
  39 #include "lib/ldb/include/ldb_errors.h"
  40 #include "libcli/ldap/ldap_proto.h"
  41 #include "system/network.h"
  42 #include "lib/socket/netif.h"
  43 #include "dsdb/samdb/samdb.h"
  44 #include "param/param.h"
  45 /*
  46   close the socket and shutdown a server_context
  47 */
  48 void ldapsrv_terminate_connection(struct ldapsrv_connection *conn,
  49                                          const char *reason)
  50 {
  51         packet_recv_disable(conn->packet);
  52         TALLOC_FREE(conn->packet);
  53         TALLOC_FREE(conn->sockets.tls);
  54         stream_terminate_connection(conn->connection, reason);
  55 }
  56
  57 /*
  58   handle packet errors
  59 */
  60 static void ldapsrv_error_handler(void *private_data, NTSTATUS status)
  61 {
  62         struct ldapsrv_connection *conn = talloc_get_type(private_data,
  63                                                           struct ldapsrv_connection);
  64         ldapsrv_terminate_connection(conn, nt_errstr(status));
  65 }
  66
  67 /*
  68   process a decoded ldap message
  69 */
  70 static void ldapsrv_process_message(struct ldapsrv_connection *conn,
  71                                     struct ldap_message *msg)
  72 {
  73         struct ldapsrv_call *call;
  74         NTSTATUS status;
  75         DATA_BLOB blob;
  76
  77         call = talloc(conn, struct ldapsrv_call);
  78         if (!call) {
  79                 ldapsrv_terminate_connection(conn, "no memory");
  80                 return;
  81         }
  82
  83         call->request = talloc_steal(call, msg);
  84         call->conn = conn;
  85         call->replies = NULL;
  86         call->send_callback = NULL;
  87         call->send_private = NULL;
  88
  89         /* make the call */
  90         status = ldapsrv_do_call(call);
  91         if (!NT_STATUS_IS_OK(status)) {
  92                 talloc_free(call);
  93                 return;
  94         }
  95
  96         blob = data_blob(NULL, 0);
  97
  98         if (call->replies == NULL) {
  99                 talloc_free(call);
 100                 return;
 101         }
 102
 103         /* build all the replies into a single blob */
 104         while (call->replies) {
 105                 DATA_BLOB b;
 106                 bool ret;
 107
 108                 msg = call->replies->msg;
 109                 if (!ldap_encode(msg, samba_ldap_control_handlers(), &b, call)) {
 110                         DEBUG(0,("Failed to encode ldap reply of type %d\n", msg->type));
 111                         talloc_free(call);
 112                         return;
 113                 }
 114
 115                 ret = data_blob_append(call, &blob, b.data, b.length);
 116                 data_blob_free(&b);
 117
 118                 talloc_set_name_const(blob.data, "Outgoing, encoded LDAP packet");
 119
 120                 if (!ret) {
 121                         talloc_free(call);
 122                         return;
 123                 }
 124
 125                 DLIST_REMOVE(call->replies, call->replies);
 126         }
 127
 128         packet_send_callback(conn->packet, blob,
 129                              call->send_callback, call->send_private);
 130         talloc_free(call);
 131         return;
 132 }
 133
 134 /*
 135   decode/process data
 136 */
 137 static NTSTATUS ldapsrv_decode(void *private_data, DATA_BLOB blob)
 138 {
 139         NTSTATUS status;
 140         struct ldapsrv_connection *conn = talloc_get_type(private_data,
 141                                                           struct ldapsrv_connection);
 142         struct asn1_data *asn1 = asn1_init(conn);
 143         struct ldap_message *msg = talloc(conn, struct ldap_message);
 144
 145         if (asn1 == NULL || msg == NULL) {
 146                 return NT_STATUS_NO_MEMORY;
 147         }
 148
 149         if (!asn1_load(asn1, blob)) {
 150                 talloc_free(msg);
 151                 talloc_free(asn1);
 152                 return NT_STATUS_NO_MEMORY;
 153         }
 154
 155         status = ldap_decode(asn1, samba_ldap_control_handlers(), msg);
 156         if (!NT_STATUS_IS_OK(status)) {
 157                 asn1_free(asn1);
 158                 return status;
 159         }
 160
 161         data_blob_free(&blob);
 162         talloc_steal(conn, msg);
 163         asn1_free(asn1);
 164
 165         ldapsrv_process_message(conn, msg);
 166         return NT_STATUS_OK;
 167 }
 168
 169 /*
 170  Idle timeout handler
 171 */
 172 static void ldapsrv_conn_idle_timeout(struct tevent_context *ev,
 173                                       struct tevent_timer *te,
 174                                       struct timeval t,
 175                                       void *private_data)
 176 {
 177         struct ldapsrv_connection *conn = talloc_get_type(private_data, struct ldapsrv_connection);
 178
 179         ldapsrv_terminate_connection(conn, "Timeout. No requests after bind");
 180 }
 181
 182 /*
 183   called when a LDAP socket becomes readable
 184 */
 185 void ldapsrv_recv(struct stream_connection *c, uint16_t flags)
 186 {
 187         struct ldapsrv_connection *conn =
 188                 talloc_get_type(c->private_data, struct ldapsrv_connection);
 189
 190         if (conn->limits.ite) { /* clean initial timeout if any */
 191                 talloc_free(conn->limits.ite);
 192                 conn->limits.ite = NULL;
 193         }
 194
 195         if (conn->limits.te) { /* clean idle timeout if any */
 196                 talloc_free(conn->limits.te);
 197                 conn->limits.te = NULL;
 198         }
 199
 200         packet_recv(conn->packet);
 201
 202         /* set idle timeout */
 203         conn->limits.te = event_add_timed(c->event.ctx, conn,
 204                                            timeval_current_ofs(conn->limits.conn_idle_time, 0),
 205                                            ldapsrv_conn_idle_timeout, conn);
 206 }
 207
 208 /*
 209   called when a LDAP socket becomes writable
 210 */
 211 static void ldapsrv_send(struct stream_connection *c, uint16_t flags)
 212 {
 213         struct ldapsrv_connection *conn =
 214                 talloc_get_type(c->private_data, struct ldapsrv_connection);
 215
 216         packet_queue_run(conn->packet);
 217 }
 218
 219 static void ldapsrv_conn_init_timeout(struct tevent_context *ev,
 220                                       struct tevent_timer *te,
 221                                       struct timeval t,
 222                                       void *private_data)
 223 {
 224         struct ldapsrv_connection *conn = talloc_get_type(private_data, struct ldapsrv_connection);
 225
 226         ldapsrv_terminate_connection(conn, "Timeout. No requests after initial connection");
 227 }
 228
 229 static int ldapsrv_load_limits(struct ldapsrv_connection *conn)
 230 {
 231         TALLOC_CTX *tmp_ctx;
 232         const char *attrs[] = { "configurationNamingContext", NULL };
 233         const char *attrs2[] = { "lDAPAdminLimits", NULL };
 234         struct ldb_message_element *el;
 235         struct ldb_result *res = NULL;
 236         struct ldb_dn *basedn;
 237         struct ldb_dn *conf_dn;
 238         struct ldb_dn *policy_dn;
 239         unsigned int i;
 240         int ret;
 241
 242         /* set defaults limits in case of failure */
 243         conn->limits.initial_timeout = 120;
 244         conn->limits.conn_idle_time = 900;
 245         conn->limits.max_page_size = 1000;
 246         conn->limits.search_timeout = 120;
 247
 248
 249         tmp_ctx = talloc_new(conn);
 250         if (tmp_ctx == NULL) {
 251                 return -1;
 252         }
 253
 254         basedn = ldb_dn_new(tmp_ctx, conn->ldb, NULL);
 255         if ( ! ldb_dn_validate(basedn)) {
 256                 goto failed;
 257         }
 258
 259         ret = ldb_search(conn->ldb, tmp_ctx, &res, basedn, LDB_SCOPE_BASE, attrs, NULL);
 260         if (ret != LDB_SUCCESS) {
 261                 goto failed;
 262         }
 263
 264         if (res->count != 1) {
 265                 goto failed;
 266         }
 267
 268         conf_dn = ldb_msg_find_attr_as_dn(conn->ldb, tmp_ctx, res->msgs[0], "configurationNamingContext");
 269         if (conf_dn == NULL) {
 270                 goto failed;
 271         }
 272
 273         policy_dn = ldb_dn_copy(tmp_ctx, conf_dn);
 274         ldb_dn_add_child_fmt(policy_dn, "CN=Default Query Policy,CN=Query-Policies,CN=Directory Service,CN=Windows NT,CN=Services");
 275         if (policy_dn == NULL) {
 276                 goto failed;
 277         }
 278
 279         ret = ldb_search(conn->ldb, tmp_ctx, &res, policy_dn, LDB_SCOPE_BASE, attrs2, NULL);
 280         if (ret != LDB_SUCCESS) {
 281                 goto failed;
 282         }
 283
 284         if (res->count != 1) {
 285                 goto failed;
 286         }
 287
 288         el = ldb_msg_find_element(res->msgs[0], "lDAPAdminLimits");
 289         if (el == NULL) {
 290                 goto failed;
 291         }
 292
 293         for (i = 0; i < el->num_values; i++) {
 294                 char policy_name[256];
 295                 int policy_value, s;
 296
 297                 s = sscanf((const char *)el->values[i].data, "%255[^=]=%d", policy_name, &policy_value);
 298                 if (ret != 2 || policy_value == 0)
 299                         continue;
 300
 301                 if (strcasecmp("InitRecvTimeout", policy_name) == 0) {
 302                         conn->limits.initial_timeout = policy_value;
 303                         continue;
 304                 }
 305                 if (strcasecmp("MaxConnIdleTime", policy_name) == 0) {
 306                         conn->limits.conn_idle_time = policy_value;
 307                         continue;
 308                 }
 309                 if (strcasecmp("MaxPageSize", policy_name) == 0) {
 310                         conn->limits.max_page_size = policy_value;
 311                         continue;
 312                 }
 313                 if (strcasecmp("MaxQueryDuration", policy_name) == 0) {
 314                         conn->limits.search_timeout = policy_value;
 315                         continue;
 316                 }
 317         }
 318
 319         return 0;
 320
 321 failed:
 322         DEBUG(0, ("Failed to load ldap server query policies\n"));
 323         talloc_free(tmp_ctx);
 324         return -1;
 325 }
 326
 327 /*
 328   initialise a server_context from a open socket and register a event handler
 329   for reading from that socket
 330 */
 331 static void ldapsrv_accept(struct stream_connection *c,
 332                            struct auth_session_info *session_info)
 333 {
 334         struct ldapsrv_service *ldapsrv_service =
 335                 talloc_get_type(c->private_data, struct ldapsrv_service);
 336         struct ldapsrv_connection *conn;
 337         struct cli_credentials *server_credentials;
 338         struct socket_address *socket_address;
 339         NTSTATUS status;
 340         int port;
 341
 342         conn = talloc_zero(c, struct ldapsrv_connection);
 343         if (!conn) {
 344                 stream_terminate_connection(c, "ldapsrv_accept: out of memory");
 345                 return;
 346         }
 347
 348         conn->packet      = NULL;
 349         conn->connection  = c;
 350         conn->service     = ldapsrv_service;
 351         conn->sockets.raw = c->socket;
 352         conn->lp_ctx      = ldapsrv_service->task->lp_ctx;
 353
 354         c->private_data   = conn;
 355
 356         socket_address = socket_get_my_addr(c->socket, conn);
 357         if (!socket_address) {
 358                 ldapsrv_terminate_connection(conn, "ldapsrv_accept: failed to obtain local socket address!");
 359                 return;
 360         }
 361         port = socket_address->port;
 362         talloc_free(socket_address);
 363
 364         if (port == 636) {
 365                 struct socket_context *tls_socket = tls_init_server(ldapsrv_service->tls_params, c->socket,
 366                                                                     c->event.fde, NULL);
 367                 if (!tls_socket) {
 368                         ldapsrv_terminate_connection(conn, "ldapsrv_accept: tls_init_server() failed");
 369                         return;
 370                 }
 371                 talloc_steal(c, tls_socket);
 372                 c->socket = tls_socket;
 373                 conn->sockets.tls = tls_socket;
 374
 375         } else if (port == 3268) /* Global catalog */ {
 376                 conn->global_catalog = true;
 377         }
 378         conn->packet = packet_init(conn);
 379         if (conn->packet == NULL) {
 380                 ldapsrv_terminate_connection(conn, "out of memory");
 381                 return;
 382         }
 383
 384         packet_set_private(conn->packet, conn);
 385         packet_set_socket(conn->packet, c->socket);
 386         packet_set_callback(conn->packet, ldapsrv_decode);
 387         packet_set_full_request(conn->packet, ldap_full_packet);
 388         packet_set_error_handler(conn->packet, ldapsrv_error_handler);
 389         packet_set_event_context(conn->packet, c->event.ctx);
 390         packet_set_fde(conn->packet, c->event.fde);
 391         packet_set_serialise(conn->packet);
 392
 393         if (conn->sockets.tls) {
 394                 packet_set_unreliable_select(conn->packet);
 395         }
 396
 397         /* Ensure we don't get packets until the database is ready below */
 398         packet_recv_disable(conn->packet);
 399
 400         server_credentials = cli_credentials_init(conn);
 401         if (!server_credentials) {
 402                 stream_terminate_connection(c, "Failed to init server credentials\n");
 403                 return;
 404         }
 405
 406         cli_credentials_set_conf(server_credentials, conn->lp_ctx);
 407         status = cli_credentials_set_machine_account(server_credentials, conn->lp_ctx);
 408         if (!NT_STATUS_IS_OK(status)) {
 409                 stream_terminate_connection(c, talloc_asprintf(conn, "Failed to obtain server credentials, perhaps a standalone server?: %s\n", nt_errstr(status)));
 410                 return;
 411         }
 412         conn->server_credentials = server_credentials;
 413
 414         conn->session_info = talloc_move(conn, &session_info);
 415
 416         if (!NT_STATUS_IS_OK(ldapsrv_backend_Init(conn))) {
 417                 ldapsrv_terminate_connection(conn, "backend Init failed");
 418                 return;
 419         }
 420
 421         /* load limits from the conf partition */
 422         ldapsrv_load_limits(conn); /* should we fail on error ? */
 423
 424         /* register the server */
 425         irpc_add_name(c->msg_ctx, "ldap_server");
 426
 427         /* set connections limits */
 428         conn->limits.ite = event_add_timed(c->event.ctx, conn,
 429                                            timeval_current_ofs(conn->limits.initial_timeout, 0),
 430                                            ldapsrv_conn_init_timeout, conn);
 431
 432         packet_recv_enable(conn->packet);
 433
 434 }
 435
 436 static void ldapsrv_accept_nonpriv(struct stream_connection *c)
 437 {
 438         struct ldapsrv_service *ldapsrv_service = talloc_get_type_abort(
 439                 c->private_data, struct ldapsrv_service);
 440         struct auth_session_info *session_info;
 441         NTSTATUS status;
 442
 443         status = auth_anonymous_session_info(
 444                 c, ldapsrv_service->task->lp_ctx, &session_info);
 445         if (!NT_STATUS_IS_OK(status)) {
 446                 stream_terminate_connection(c, "failed to setup anonymous "
 447                                             "session info");
 448                 return;
 449         }
 450         ldapsrv_accept(c, session_info);
 451 }
 452
 453 static const struct stream_server_ops ldap_stream_nonpriv_ops = {
 454         .name                   = "ldap",
 455         .accept_connection      = ldapsrv_accept_nonpriv,
 456         .recv_handler           = ldapsrv_recv,
 457         .send_handler           = ldapsrv_send,
 458 };
 459
 460 /* The feature removed behind an #ifdef until we can do it properly
 461  * with an EXTERNAL bind. */
 462
 463 #define WITH_LDAPI_PRIV_SOCKET
 464
 465 #ifdef WITH_LDAPI_PRIV_SOCKET
 466 static void ldapsrv_accept_priv(struct stream_connection *c)
 467 {
 468         struct ldapsrv_service *ldapsrv_service = talloc_get_type_abort(
 469                 c->private_data, struct ldapsrv_service);
 470         struct auth_session_info *session_info;
 471
 472         session_info = system_session(ldapsrv_service->task->lp_ctx);
 473         if (!session_info) {
 474                 stream_terminate_connection(c, "failed to setup system "
 475                                             "session info");
 476                 return;
 477         }
 478         ldapsrv_accept(c, session_info);
 479 }
 480
 481 static const struct stream_server_ops ldap_stream_priv_ops = {
 482         .name                   = "ldap",
 483         .accept_connection      = ldapsrv_accept_priv,
 484         .recv_handler           = ldapsrv_recv,
 485         .send_handler           = ldapsrv_send,
 486 };
 487
 488 #endif
 489 /*
 490   add a socket address to the list of events, one event per port
 491 */
 492 static NTSTATUS add_socket(struct tevent_context *event_context,
 493                            struct loadparm_context *lp_ctx,
 494                            const struct model_ops *model_ops,
 495                            const char *address, struct ldapsrv_service *ldap_service)
 496 {
 497         uint16_t port = 389;
 498         NTSTATUS status;
 499         struct ldb_context *ldb;
 500
 501         status = stream_setup_socket(event_context, lp_ctx,
 502                                      model_ops, &ldap_stream_nonpriv_ops,
 503                                      "ipv4", address, &port,
 504                                      lp_socket_options(lp_ctx),
 505                                      ldap_service);
 506         if (!NT_STATUS_IS_OK(status)) {
 507                 DEBUG(0,("ldapsrv failed to bind to %s:%u - %s\n",
 508                          address, port, nt_errstr(status)));
 509         }
 510
 511         if (tls_support(ldap_service->tls_params)) {
 512                 /* add ldaps server */
 513                 port = 636;
 514                 status = stream_setup_socket(event_context, lp_ctx,
 515                                              model_ops,
 516                                              &ldap_stream_nonpriv_ops,
 517                                              "ipv4", address, &port,
 518                                              lp_socket_options(lp_ctx),
 519                                              ldap_service);
 520                 if (!NT_STATUS_IS_OK(status)) {
 521                         DEBUG(0,("ldapsrv failed to bind to %s:%u - %s\n",
 522                                  address, port, nt_errstr(status)));
 523                 }
 524         }
 525
 526         /* Load LDAP database, but only to read our settings */
 527         ldb = samdb_connect(ldap_service, ldap_service->task->event_ctx,
 528                             lp_ctx, system_session(lp_ctx));
 529         if (!ldb) {
 530                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 531         }
 532
 533         if (samdb_is_gc(ldb)) {
 534                 port = 3268;
 535                 status = stream_setup_socket(event_context, lp_ctx,
 536                                              model_ops,
 537                                              &ldap_stream_nonpriv_ops,
 538                                              "ipv4", address, &port,
 539                                              lp_socket_options(lp_ctx),
 540                                              ldap_service);
 541                 if (!NT_STATUS_IS_OK(status)) {
 542                         DEBUG(0,("ldapsrv failed to bind to %s:%u - %s\n",
 543                                  address, port, nt_errstr(status)));
 544                 }
 545         }
 546
 547         /* And once we are bound, free the tempoary ldb, it will
 548          * connect again on each incoming LDAP connection */
 549         talloc_unlink(ldap_service, ldb);
 550
 551         return status;
 552 }
 553
 554 /*
 555   open the ldap server sockets
 556 */
 557 static void ldapsrv_task_init(struct task_server *task)
 558 {
 559         char *ldapi_path;
 560 #ifdef WITH_LDAPI_PRIV_SOCKET
 561         char *priv_dir;
 562 #endif
 563         struct ldapsrv_service *ldap_service;
 564         NTSTATUS status;
 565         const struct model_ops *model_ops;
 566
 567         switch (lp_server_role(task->lp_ctx)) {
 568         case ROLE_STANDALONE:
 569                 task_server_terminate(task, "ldap_server: no LDAP server required in standalone configuration",
 570                                       false);
 571                 return;
 572         case ROLE_DOMAIN_MEMBER:
 573                 task_server_terminate(task, "ldap_server: no LDAP server required in member server configuration",
 574                                       false);
 575                 return;
 576         case ROLE_DOMAIN_CONTROLLER:
 577                 /* Yes, we want an LDAP server */
 578                 break;
 579         }
 580
 581         task_server_set_title(task, "task[ldapsrv]");
 582
 583         /* run the ldap server as a single process */
 584         model_ops = process_model_startup(task->event_ctx, "single");
 585         if (!model_ops) goto failed;
 586
 587         ldap_service = talloc_zero(task, struct ldapsrv_service);
 588         if (ldap_service == NULL) goto failed;
 589
 590         ldap_service->task = task;
 591
 592         ldap_service->tls_params = tls_initialise(ldap_service, task->lp_ctx);
 593         if (ldap_service->tls_params == NULL) goto failed;
 594
 595         if (lp_interfaces(task->lp_ctx) && lp_bind_interfaces_only(task->lp_ctx)) {
 596                 struct interface *ifaces;
 597                 int num_interfaces;
 598                 int i;
 599
 600                 load_interfaces(task, lp_interfaces(task->lp_ctx), &ifaces);
 601                 num_interfaces = iface_count(ifaces);
 602
 603                 /* We have been given an interfaces line, and been
 604                    told to only bind to those interfaces. Create a
 605                    socket per interface and bind to only these.
 606                 */
 607                 for(i = 0; i < num_interfaces; i++) {
 608                         const char *address = iface_n_ip(ifaces, i);
 609                         status = add_socket(task->event_ctx, task->lp_ctx, model_ops, address, ldap_service);
 610                         if (!NT_STATUS_IS_OK(status)) goto failed;
 611                 }
 612         } else {
 613                 status = add_socket(task->event_ctx, task->lp_ctx, model_ops,
 614                                     lp_socket_address(task->lp_ctx), ldap_service);
 615                 if (!NT_STATUS_IS_OK(status)) goto failed;
 616         }
 617
 618         ldapi_path = private_path(ldap_service, task->lp_ctx, "ldapi");
 619         if (!ldapi_path) {
 620                 goto failed;
 621         }
 622
 623         status = stream_setup_socket(task->event_ctx, task->lp_ctx,
 624                                      model_ops, &ldap_stream_nonpriv_ops,
 625                                      "unix", ldapi_path, NULL,
 626                                      lp_socket_options(task->lp_ctx),
 627                                      ldap_service);
 628         talloc_free(ldapi_path);
 629         if (!NT_STATUS_IS_OK(status)) {
 630                 DEBUG(0,("ldapsrv failed to bind to %s - %s\n",
 631                          ldapi_path, nt_errstr(status)));
 632         }
 633
 634 #ifdef WITH_LDAPI_PRIV_SOCKET
 635         priv_dir = private_path(ldap_service, task->lp_ctx, "ldap_priv");
 636         if (priv_dir == NULL) {
 637                 goto failed;
 638         }
 639         /*
 640          * Make sure the directory for the privileged ldapi socket exists, and
 641          * is of the correct permissions
 642          */
 643         if (!directory_create_or_exist(priv_dir, geteuid(), 0750)) {
 644                 task_server_terminate(task, "Cannot create ldap "
 645                                       "privileged ldapi directory", true);
 646                 return;
 647         }
 648         ldapi_path = talloc_asprintf(ldap_service, "%s/ldapi", priv_dir);
 649         talloc_free(priv_dir);
 650         if (ldapi_path == NULL) {
 651                 goto failed;
 652         }
 653
 654         status = stream_setup_socket(task->event_ctx, task->lp_ctx,
 655                                      model_ops, &ldap_stream_priv_ops,
 656                                      "unix", ldapi_path, NULL,
 657                                      lp_socket_options(task->lp_ctx),
 658                                      ldap_service);
 659         talloc_free(ldapi_path);
 660         if (!NT_STATUS_IS_OK(status)) {
 661                 DEBUG(0,("ldapsrv failed to bind to %s - %s\n",
 662                          ldapi_path, nt_errstr(status)));
 663         }
 664
 665 #endif
 666         return;
 667
 668 failed:
 669         task_server_terminate(task, "Failed to startup ldap server task", true);
 670 }
 671
 672
 673 NTSTATUS server_service_ldap_init(void)
 674 {
 675         return register_server_service("ldap", ldapsrv_task_init);
 676 }