source4/ldap_server/ldap_server.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    LDAP server
   4    Copyright (C) Volker Lendecke 2004
   5    Copyright (C) Stefan Metzmacher 2004
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 /*
  25   close the socket and shutdown a server_context
  26 */
  27 static void ldapsrv_terminate_connection(struct ldapsrv_connection *ldap_conn, const char *reason)
  28 {
  29         server_terminate_connection(ldap_conn->connection, reason);
  30 }
  31
  32 /*
  33   add a socket address to the list of events, one event per port
  34 */
  35 static void add_socket(struct server_service *service,
  36                        const struct model_ops *model_ops,
  37                        struct in_addr *ifip)
  38 {
  39         struct server_socket *srv_sock;
  40         uint16_t port = 389;
  41         char *ip_str = talloc_strdup(service, inet_ntoa(*ifip));
  42
  43         srv_sock = service_setup_socket(service, model_ops, ip_str, &port);
  44
  45         talloc_free(ip_str);
  46 }
  47
  48 /****************************************************************************
  49  Open the socket communication.
  50 ****************************************************************************/
  51 static void ldapsrv_init(struct server_service *service,
  52                          const struct model_ops *model_ops)
  53 {
  54         struct ldapsrv_service *ldap_service;
  55         struct ldapsrv_partition *part;
  56
  57         DEBUG(10,("ldapsrv_init\n"));
  58
  59         ldap_service = talloc_p(service, struct ldapsrv_service);
  60         if (!ldap_service) {
  61                 DEBUG(0,("talloc_p(service, struct ldapsrv_service) failed\n"));
  62                 return;
  63         }
  64         ZERO_STRUCTP(ldap_service);
  65
  66         part = talloc_p(ldap_service, struct ldapsrv_partition);
  67         if (!ldap_service) {
  68                 DEBUG(0,("talloc_p(ldap_service, struct ldapsrv_partition) failed\n"));
  69                 return;
  70         }
  71         part->base_dn = ""; /* RootDSE */
  72         part->ops = ldapsrv_get_rootdse_partition_ops();
  73
  74         ldap_service->rootDSE = part;
  75         DLIST_ADD_END(ldap_service->partitions, part, struct ldapsrv_partition *);
  76
  77         part = talloc_p(ldap_service, struct ldapsrv_partition);
  78         if (!ldap_service) {
  79                 DEBUG(0,("talloc_p(ldap_service, struct ldapsrv_partition) failed\n"));
  80                 return;
  81         }
  82         part->base_dn = "*"; /* default partition */
  83         part->ops = ldapsrv_get_sldb_partition_ops();
  84
  85         ldap_service->default_partition = part;
  86         DLIST_ADD_END(ldap_service->partitions, part, struct ldapsrv_partition *);
  87
  88         service->private_data = ldap_service;
  89
  90         if (lp_interfaces() && lp_bind_interfaces_only()) {
  91                 int num_interfaces = iface_count();
  92                 int i;
  93
  94                 /* We have been given an interfaces line, and been
  95                    told to only bind to those interfaces. Create a
  96                    socket per interface and bind to only these.
  97                 */
  98                 for(i = 0; i < num_interfaces; i++) {
  99                         struct in_addr *ifip = iface_n_ip(i);
 100
 101                         if (ifip == NULL) {
 102                                 DEBUG(0,("ldapsrv_init: interface %d has NULL "
 103                                          "IP address !\n", i));
 104                                 continue;
 105                         }
 106
 107                         add_socket(service, model_ops, ifip);
 108                 }
 109         } else {
 110                 struct in_addr *ifip;
 111
 112                 /* Just bind to lp_socket_address() (usually 0.0.0.0) */
 113                 ifip = interpret_addr2(service, lp_socket_address());
 114                 add_socket(service, model_ops, ifip);
 115
 116                 talloc_destroy(ifip);
 117         }
 118 }
 119
 120 /* This rw-buf api is made to avoid memcpy. For now do that like mad...  The
 121    idea is to write into a circular list of buffers where the ideal case is
 122    that a read(2) holds a complete request that is then thrown away
 123    completely. */
 124
 125 static void consumed_from_buf(struct rw_buffer *buf,
 126                                    size_t length)
 127 {
 128         memcpy(buf->data, buf->data+length, buf->length-length);
 129         buf->length -= length;
 130 }
 131
 132 static BOOL append_to_buf(struct rw_buffer *buf, uint8_t *data, size_t length)
 133 {
 134         buf->data = realloc(buf->data, buf->length+length);
 135
 136         if (buf->data == NULL)
 137                 return False;
 138
 139         memcpy(buf->data+buf->length, data, length);
 140
 141         buf->length += length;
 142         return True;
 143 }
 144
 145 static BOOL read_into_buf(struct socket_context *sock, struct rw_buffer *buf)
 146 {
 147         NTSTATUS status;
 148         DATA_BLOB tmp_blob;
 149         BOOL ret;
 150
 151         status = socket_recv(sock, sock, &tmp_blob, 1024, 0);
 152         if (!NT_STATUS_IS_OK(status)) {
 153                 DEBUG(10,("socket_recv: %s\n",nt_errstr(status)));
 154                 return False;
 155         }
 156
 157         ret = append_to_buf(buf, tmp_blob.data, tmp_blob.length);
 158
 159         talloc_free(tmp_blob.data);
 160
 161         return ret;
 162 }
 163
 164 static BOOL write_from_buf(struct socket_context *sock, struct rw_buffer *buf)
 165 {
 166         NTSTATUS status;
 167         DATA_BLOB tmp_blob;
 168         size_t sendlen;
 169
 170         tmp_blob.data = buf->data;
 171         tmp_blob.length = buf->length;
 172
 173         status = socket_send(sock, sock, &tmp_blob, &sendlen, 0);
 174         if (!NT_STATUS_IS_OK(status)) {
 175                 DEBUG(10,("socket_send() %s\n",nt_errstr(status)));
 176                 return False;
 177         }
 178
 179         consumed_from_buf(buf, sendlen);
 180
 181         return True;
 182 }
 183
 184 static void peek_into_read_buf(struct rw_buffer *buf, uint8_t **out,
 185                                size_t *out_length)
 186 {
 187         *out = buf->data;
 188         *out_length = buf->length;
 189 }
 190
 191 static BOOL ldap_append_to_buf(struct ldap_message *msg, struct rw_buffer *buf)
 192 {
 193         DATA_BLOB blob;
 194         BOOL res;
 195
 196         if (!ldap_encode(msg, &blob))
 197                 return False;
 198
 199         res = append_to_buf(buf, blob.data, blob.length);
 200
 201         data_blob_free(&blob);
 202         return res;
 203 }
 204
 205 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, enum ldap_request_tag type)
 206 {
 207         struct ldapsrv_reply *reply;
 208
 209         reply = talloc_p(call, struct ldapsrv_reply);
 210         if (!reply) {
 211                 return NULL;
 212         }
 213
 214         reply->prev = reply->next = NULL;
 215         reply->state = LDAPSRV_REPLY_STATE_NEW;
 216         reply->msg.messageid = call->request.messageid;
 217         reply->msg.type = type;
 218         reply->msg.mem_ctx = reply;
 219
 220         return reply;
 221 }
 222
 223 NTSTATUS ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
 224 {
 225         DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
 226         return NT_STATUS_OK;
 227 }
 228
 229 struct ldapsrv_partition *ldapsrv_get_partition(struct ldapsrv_connection *conn, const char *dn)
 230 {
 231         if (strcasecmp("", dn) == 0) {
 232                 return conn->service->rootDSE;
 233         }
 234
 235         return conn->service->default_partition;
 236 }
 237
 238 NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 239 {
 240         struct ldapsrv_reply *reply;
 241         struct ldap_ExtendedResponse *r;
 242
 243         DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request.type, call->request.messageid));
 244
 245         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
 246         if (!reply) {
 247                 return NT_STATUS_NO_MEMORY;
 248         }
 249
 250         r = &reply->msg.r.ExtendedResponse;
 251         r->response.resultcode = error;
 252         r->response.dn = NULL;
 253         r->response.errormessage = NULL;
 254         r->response.referral = NULL;
 255         r->name = NULL;
 256         r->value.data = NULL;
 257         r->value.length = 0;
 258
 259         return ldapsrv_queue_reply(call, reply);
 260 }
 261
 262 static NTSTATUS ldapsrv_BindRequest(struct ldapsrv_call *call)
 263 {
 264         struct ldap_BindRequest *req = &call->request.r.BindRequest;
 265         struct ldapsrv_reply *reply;
 266         struct ldap_BindResponse *resp;
 267
 268         DEBUG(10, ("BindRequest dn: %s\n",req->dn));
 269
 270         reply = ldapsrv_init_reply(call, LDAP_TAG_BindResponse);
 271         if (!reply) {
 272                 return NT_STATUS_NO_MEMORY;
 273         }
 274
 275         resp = &reply->msg.r.BindResponse;
 276         resp->response.resultcode = 0;
 277         resp->response.dn = NULL;
 278         resp->response.errormessage = NULL;
 279         resp->response.referral = NULL;
 280         resp->SASL.secblob = data_blob(NULL, 0);
 281
 282         return ldapsrv_queue_reply(call, reply);
 283 }
 284
 285 static NTSTATUS ldapsrv_UnbindRequest(struct ldapsrv_call *call)
 286 {
 287 /*      struct ldap_UnbindRequest *req = &call->request->r.UnbindRequest;*/
 288         DEBUG(10, ("UnbindRequest\n"));
 289         return NT_STATUS_OK;
 290 }
 291
 292 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 293 {
 294         struct ldap_SearchRequest *req = &call->request.r.SearchRequest;
 295         struct ldapsrv_partition *part;
 296
 297         DEBUG(10, ("SearchRequest"));
 298         DEBUGADD(10, (" basedn: %s", req->basedn));
 299         DEBUGADD(10, (" filter: %s\n", req->filter));
 300
 301         part = ldapsrv_get_partition(call->conn, req->basedn);
 302
 303         if (!part->ops->Search) {
 304                 struct ldap_Result *done;
 305                 struct ldapsrv_reply *done_r;
 306
 307                 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
 308                 if (!done_r) {
 309                         return NT_STATUS_NO_MEMORY;
 310                 }
 311
 312                 done = &done_r->msg.r.SearchResultDone;
 313                 done->resultcode = 53;
 314                 done->dn = NULL;
 315                 done->errormessage = NULL;
 316                 done->referral = NULL;
 317
 318                 return ldapsrv_queue_reply(call, done_r);
 319         }
 320
 321         return part->ops->Search(part, call, req);
 322 }
 323
 324 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 325 {
 326         struct ldap_ModifyRequest *req = &call->request.r.ModifyRequest;
 327         struct ldapsrv_partition *part;
 328
 329         DEBUG(10, ("ModifyRequest"));
 330         DEBUGADD(10, (" dn: %s", req->dn));
 331
 332         part = ldapsrv_get_partition(call->conn, req->dn);
 333
 334         if (!part->ops->Modify) {
 335                 return ldapsrv_unwilling(call, 53);
 336         }
 337
 338         return part->ops->Modify(part, call, req);
 339 }
 340
 341 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 342 {
 343         struct ldap_AddRequest *req = &call->request.r.AddRequest;
 344         struct ldapsrv_partition *part;
 345
 346         DEBUG(10, ("AddRequest"));
 347         DEBUGADD(10, (" dn: %s", req->dn));
 348
 349         part = ldapsrv_get_partition(call->conn, req->dn);
 350
 351         if (!part->ops->Add) {
 352                 return ldapsrv_unwilling(call, 53);
 353         }
 354
 355         return part->ops->Add(part, call, req);
 356 }
 357
 358 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 359 {
 360         struct ldap_DelRequest *req = &call->request.r.DelRequest;
 361         struct ldapsrv_partition *part;
 362
 363         DEBUG(10, ("DelRequest"));
 364         DEBUGADD(10, (" dn: %s", req->dn));
 365
 366         part = ldapsrv_get_partition(call->conn, req->dn);
 367
 368         if (!part->ops->Del) {
 369                 return ldapsrv_unwilling(call, 53);
 370         }
 371
 372         return part->ops->Del(part, call, req);
 373 }
 374
 375 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
 376 {
 377         struct ldap_ModifyDNRequest *req = &call->request.r.ModifyDNRequest;
 378         struct ldapsrv_partition *part;
 379
 380         DEBUG(10, ("ModifyDNRequrest"));
 381         DEBUGADD(10, (" dn: %s", req->dn));
 382         DEBUGADD(10, (" newrdn: %s", req->newrdn));
 383
 384         part = ldapsrv_get_partition(call->conn, req->dn);
 385
 386         if (!part->ops->ModifyDN) {
 387                 return ldapsrv_unwilling(call, 53);
 388         }
 389
 390         return part->ops->ModifyDN(part, call, req);
 391 }
 392
 393 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
 394 {
 395         struct ldap_CompareRequest *req = &call->request.r.CompareRequest;
 396         struct ldapsrv_partition *part;
 397
 398         DEBUG(10, ("CompareRequest"));
 399         DEBUGADD(10, (" dn: %s", req->dn));
 400
 401         part = ldapsrv_get_partition(call->conn, req->dn);
 402
 403         if (!part->ops->Compare) {
 404                 return ldapsrv_unwilling(call, 53);
 405         }
 406
 407         return part->ops->Compare(part, call, req);
 408 }
 409
 410 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
 411 {
 412 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
 413         DEBUG(10, ("AbandonRequest\n"));
 414         return NT_STATUS_OK;
 415 }
 416
 417 static NTSTATUS ldapsrv_ExtendedRequest(struct ldapsrv_call *call)
 418 {
 419 /*      struct ldap_ExtendedRequest *req = &call->request.r.ExtendedRequest;*/
 420         struct ldapsrv_reply *reply;
 421
 422         DEBUG(10, ("Extended\n"));
 423
 424         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
 425         if (!reply) {
 426                 return NT_STATUS_NO_MEMORY;
 427         }
 428
 429         ZERO_STRUCT(reply->msg.r);
 430
 431         return ldapsrv_queue_reply(call, reply);
 432 }
 433
 434 static NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
 435 {
 436         switch(call->request.type) {
 437         case LDAP_TAG_BindRequest:
 438                 return ldapsrv_BindRequest(call);
 439         case LDAP_TAG_UnbindRequest:
 440                 return ldapsrv_UnbindRequest(call);
 441         case LDAP_TAG_SearchRequest:
 442                 return ldapsrv_SearchRequest(call);
 443         case LDAP_TAG_ModifyRequest:
 444                 return ldapsrv_ModifyRequest(call);
 445         case LDAP_TAG_AddRequest:
 446                 return ldapsrv_AddRequest(call);
 447         case LDAP_TAG_DelRequest:
 448                 return ldapsrv_DelRequest(call);
 449         case LDAP_TAG_ModifyDNRequest:
 450                 return ldapsrv_ModifyDNRequest(call);
 451         case LDAP_TAG_CompareRequest:
 452                 return ldapsrv_CompareRequest(call);
 453         case LDAP_TAG_AbandonRequest:
 454                 return ldapsrv_AbandonRequest(call);
 455         case LDAP_TAG_ExtendedRequest:
 456                 return ldapsrv_ExtendedRequest(call);
 457         default:
 458                 return ldapsrv_unwilling(call, 2);
 459         }
 460 }
 461
 462 static NTSTATUS ldapsrv_do_responses(struct ldapsrv_connection *conn)
 463 {
 464         struct ldapsrv_call *call, *next_call = NULL;
 465         struct ldapsrv_reply *reply, *next_reply = NULL;
 466
 467         for (call=conn->calls; call; call=next_call) {
 468                 for (reply=call->replies; reply; reply=next_reply) {
 469                         if (!ldap_append_to_buf(&reply->msg, &conn->out_buffer)) {
 470                                 return NT_STATUS_FOOBAR;
 471                         }
 472                         next_reply = reply->next;
 473                         DLIST_REMOVE(call->replies, reply);
 474                         reply->state = LDAPSRV_REPLY_STATE_SEND;
 475                         talloc_free(reply);
 476                 }
 477                 next_call = call->next;
 478                 DLIST_REMOVE(conn->calls, call);
 479                 call->state = LDAPSRV_CALL_STATE_COMPLETE;
 480                 talloc_free(call);
 481         }
 482
 483         return NT_STATUS_OK;
 484 }
 485
 486 /*
 487   called when a LDAP socket becomes readable
 488 */
 489 static void ldapsrv_recv(struct server_connection *conn, time_t t,
 490                          uint16_t flags)
 491 {
 492         struct ldapsrv_connection *ldap_conn = conn->private_data;
 493         uint8_t *buf;
 494         int buf_length, msg_length;
 495         DATA_BLOB blob;
 496         ASN1_DATA data;
 497         struct ldapsrv_call *call;
 498         NTSTATUS status;
 499
 500         DEBUG(10,("ldapsrv_recv\n"));
 501
 502         if (!read_into_buf(conn->socket, &ldap_conn->in_buffer)) {
 503                 ldapsrv_terminate_connection(ldap_conn, "read_into_buf() failed");
 504                 return;
 505         }
 506
 507         peek_into_read_buf(&ldap_conn->in_buffer, &buf, &buf_length);
 508
 509         while (buf_length > 0) {
 510
 511                 peek_into_read_buf(&ldap_conn->in_buffer, &buf, &buf_length);
 512                 /* LDAP Messages are always SEQUENCES */
 513
 514                 if (!asn1_object_length(buf, buf_length, ASN1_SEQUENCE(0),
 515                                         &msg_length)) {
 516                         ldapsrv_terminate_connection(ldap_conn, "asn1_object_length() failed");
 517                         return;
 518                 }
 519
 520                 if (buf_length < msg_length) {
 521                         /* Not enough yet */
 522                         break;
 523                 }
 524
 525                 /* We've got a complete LDAP request in the in-buffer, convert
 526                  * that to a ldap_message and put it into the incoming
 527                  * queue. */
 528
 529                 blob.data = buf;
 530                 blob.length = msg_length;
 531
 532                 if (!asn1_load(&data, blob)) {
 533                         ldapsrv_terminate_connection(ldap_conn, "asn1_load() failed");
 534                         return;
 535                 }
 536
 537                 call = talloc_p(ldap_conn, struct ldapsrv_call);
 538                 if (!call) {
 539                         ldapsrv_terminate_connection(ldap_conn, "no memory");
 540                         return;
 541                 }
 542
 543                 ZERO_STRUCTP(call);
 544                 call->state = LDAPSRV_CALL_STATE_NEW;
 545                 call->conn = ldap_conn;
 546                 /* TODO: we should use talloc_reference() here */
 547                 call->session_info = ldap_conn->session_info;
 548                 call->request.mem_ctx = call;
 549
 550                 if (!ldap_decode(&data, &call->request)) {
 551                         dump_data(0,buf, msg_length);
 552                         asn1_free(&data);
 553                         ldapsrv_terminate_connection(ldap_conn, "ldap_decode() failed");
 554                         return;
 555                 }
 556
 557                 asn1_free(&data);
 558
 559                 DLIST_ADD_END(ldap_conn->calls, call,
 560                               struct ldapsrv_call *);
 561
 562                 consumed_from_buf(&ldap_conn->in_buffer, msg_length);
 563
 564                 status = ldapsrv_do_call(call);
 565                 if (!NT_STATUS_IS_OK(status)) {
 566                         ldapsrv_terminate_connection(ldap_conn, "ldapsrv_do_call() failed");
 567                         return;
 568                 }
 569
 570                 peek_into_read_buf(&ldap_conn->in_buffer, &buf, &buf_length);
 571         }
 572
 573         status = ldapsrv_do_responses(ldap_conn);
 574         if (!NT_STATUS_IS_OK(status)) {
 575                 ldapsrv_terminate_connection(ldap_conn, "ldapsrv_do_responses() failed");
 576                 return;
 577         }
 578
 579         if (ldap_conn->out_buffer.length > 0) {
 580                 conn->event.fde->flags |= EVENT_FD_WRITE;
 581         }
 582
 583         return;
 584 }
 585
 586 /*
 587   called when a LDAP socket becomes writable
 588 */
 589 static void ldapsrv_send(struct server_connection *conn, time_t t,
 590                          uint16_t flags)
 591 {
 592         struct ldapsrv_connection *ldap_conn = conn->private_data;
 593
 594         DEBUG(10,("ldapsrv_send\n"));
 595
 596         if (!write_from_buf(conn->socket, &ldap_conn->out_buffer)) {
 597                 ldapsrv_terminate_connection(ldap_conn, "write_from_buf() failed");
 598                 return;
 599         }
 600
 601         if (ldap_conn->out_buffer.length == 0) {
 602                 conn->event.fde->flags &= ~EVENT_FD_WRITE;
 603         }
 604
 605         return;
 606 }
 607
 608 /*
 609   called when connection is idle
 610 */
 611 static void ldapsrv_idle(struct server_connection *conn, time_t t)
 612 {
 613         DEBUG(10,("ldapsrv_idle: not implemented!\n"));
 614         return;
 615 }
 616
 617 static void ldapsrv_close(struct server_connection *conn, const char *reason)
 618 {
 619         return;
 620 }
 621
 622 /*
 623   initialise a server_context from a open socket and register a event handler
 624   for reading from that socket
 625 */
 626 static void ldapsrv_accept(struct server_connection *conn)
 627 {
 628         struct ldapsrv_connection *ldap_conn;
 629
 630         DEBUG(10, ("ldapsrv_accept\n"));
 631
 632         ldap_conn = talloc_p(conn, struct ldapsrv_connection);
 633
 634         if (ldap_conn == NULL)
 635                 return;
 636
 637         ZERO_STRUCTP(ldap_conn);
 638         ldap_conn->connection = conn;
 639         ldap_conn->service = talloc_reference(ldap_conn, conn->service->private_data);
 640
 641         conn->private_data = ldap_conn;
 642
 643         return;
 644 }
 645
 646 /*
 647   called on a fatal error that should cause this server to terminate
 648 */
 649 static void ldapsrv_exit(struct server_service *service, const char *reason)
 650 {
 651         DEBUG(10,("ldapsrv_exit\n"));
 652         return;
 653 }
 654
 655 static const struct server_service_ops ldap_server_ops = {
 656         .name                   = "ldap",
 657         .service_init           = ldapsrv_init,
 658         .accept_connection      = ldapsrv_accept,
 659         .recv_handler           = ldapsrv_recv,
 660         .send_handler           = ldapsrv_send,
 661         .idle_handler           = ldapsrv_idle,
 662         .close_connection       = ldapsrv_close,
 663         .service_exit           = ldapsrv_exit,
 664 };
 665
 666 const struct server_service_ops *ldapsrv_get_ops(void)
 667 {
 668         return &ldap_server_ops;
 669 }
 670
 671 NTSTATUS server_service_ldap_init(void)
 672 {
 673         return NT_STATUS_OK;
 674 }