source4/ldap_server/ldap_backend.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    LDAP server
   4    Copyright (C) Stefan Metzmacher 2004
   5    Copyright (C) Matthias Dieter Wallnöfer 2009
   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 3 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, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "ldap_server/ldap_server.h"
  23 #include "../lib/util/dlinklist.h"
  24 #include "auth/credentials/credentials.h"
  25 #include "auth/gensec/gensec.h"
  26 #include "param/param.h"
  27 #include "smbd/service_stream.h"
  28 #include "dsdb/samdb/samdb.h"
  29 #include "lib/ldb/include/ldb_errors.h"
  30 #include "ldb_wrap.h"
  31
  32 #define VALID_DN_SYNTAX(dn) do {\
  33         if (!(dn)) {\
  34                 return NT_STATUS_NO_MEMORY;\
  35         } else if ( ! ldb_dn_validate(dn)) {\
  36                 result = LDAP_INVALID_DN_SYNTAX;\
  37                 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,\
  38                               &errstr);\
  39                 goto reply;\
  40         }\
  41 } while(0)
  42
  43 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
  44         const char *add_err_string, const char **errstring)
  45 {
  46         WERROR err;
  47
  48         switch (ldb_err) {
  49         case LDB_SUCCESS:
  50                 err = WERR_OK;
  51         break;
  52         case LDB_ERR_OPERATIONS_ERROR:
  53                 err = WERR_DS_OPERATIONS_ERROR;
  54         break;
  55         case LDB_ERR_PROTOCOL_ERROR:
  56                 err = WERR_DS_PROTOCOL_ERROR;
  57         break;
  58         case LDB_ERR_TIME_LIMIT_EXCEEDED:
  59                 err = WERR_DS_TIMELIMIT_EXCEEDED;
  60         break;
  61         case LDB_ERR_SIZE_LIMIT_EXCEEDED:
  62                 err = WERR_DS_SIZE_LIMIT_EXCEEDED;
  63         break;
  64         case LDB_ERR_COMPARE_FALSE:
  65                 err = WERR_DS_COMPARE_FALSE;
  66         break;
  67         case LDB_ERR_COMPARE_TRUE:
  68                 err = WERR_DS_COMPARE_TRUE;
  69         break;
  70         case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
  71                 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
  72         break;
  73         case LDB_ERR_STRONG_AUTH_REQUIRED:
  74                 err = WERR_DS_STRONG_AUTH_REQUIRED;
  75         break;
  76         case LDB_ERR_REFERRAL:
  77                 err = WERR_DS_REFERRAL;
  78         break;
  79         case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
  80                 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
  81         break;
  82         case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
  83                 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
  84         break;
  85         case LDB_ERR_CONFIDENTIALITY_REQUIRED:
  86                 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
  87         break;
  88         case LDB_ERR_SASL_BIND_IN_PROGRESS:
  89                 err = WERR_DS_BUSY;
  90         break;
  91         case LDB_ERR_NO_SUCH_ATTRIBUTE:
  92                 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
  93         break;
  94         case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
  95                 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
  96         break;
  97         case LDB_ERR_INAPPROPRIATE_MATCHING:
  98                 err = WERR_DS_INAPPROPRIATE_MATCHING;
  99         break;
 100         case LDB_ERR_CONSTRAINT_VIOLATION:
 101                 err = WERR_DS_CONSTRAINT_VIOLATION;
 102         break;
 103         case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
 104                 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
 105         break;
 106         case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
 107                 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
 108         break;
 109         case LDB_ERR_NO_SUCH_OBJECT:
 110                 err = WERR_DS_NO_SUCH_OBJECT;
 111         break;
 112         case LDB_ERR_ALIAS_PROBLEM:
 113                 err = WERR_DS_ALIAS_PROBLEM;
 114         break;
 115         case LDB_ERR_INVALID_DN_SYNTAX:
 116                 err = WERR_DS_INVALID_DN_SYNTAX;
 117         break;
 118         case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
 119                 err = WERR_DS_ALIAS_DEREF_PROBLEM;
 120         break;
 121         case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
 122                 err = WERR_DS_INAPPROPRIATE_AUTH;
 123         break;
 124         case LDB_ERR_INVALID_CREDENTIALS:
 125                 err = WERR_ACCESS_DENIED;
 126         break;
 127         case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
 128                 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
 129         break;
 130         case LDB_ERR_BUSY:
 131                 err = WERR_DS_BUSY;
 132         break;
 133         case LDB_ERR_UNAVAILABLE:
 134                 err = WERR_DS_UNAVAILABLE;
 135         break;
 136         case LDB_ERR_UNWILLING_TO_PERFORM:
 137                 err = WERR_DS_UNWILLING_TO_PERFORM;
 138         break;
 139         case LDB_ERR_LOOP_DETECT:
 140                 err = WERR_DS_LOOP_DETECT;
 141         break;
 142         case LDB_ERR_NAMING_VIOLATION:
 143                 err = WERR_DS_NAMING_VIOLATION;
 144         break;
 145         case LDB_ERR_OBJECT_CLASS_VIOLATION:
 146                 err = WERR_DS_OBJ_CLASS_VIOLATION;
 147         break;
 148         case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
 149                 err = WERR_DS_CANT_ON_NON_LEAF;
 150         break;
 151         case LDB_ERR_NOT_ALLOWED_ON_RDN:
 152                 err = WERR_DS_CANT_ON_RDN;
 153         break;
 154         case LDB_ERR_ENTRY_ALREADY_EXISTS:
 155                 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
 156         break;
 157         case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
 158                 err = WERR_DS_CANT_MOD_OBJ_CLASS;
 159         break;
 160         case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
 161                 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
 162         break;
 163         default:
 164                 err = WERR_DS_GENERIC_ERROR;
 165         break;
 166         }
 167
 168         *errstring = talloc_asprintf(mem_ctx, "%08x: %s", W_ERROR_V(err),
 169                 ldb_strerror(ldb_err));
 170         if (add_err_string != NULL) {
 171                 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
 172                                              add_err_string);
 173         }
 174
 175         /* result is 1:1 for now */
 176         return ldb_err;
 177 }
 178 /* create and execute a modify request */
 179 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
 180                                      const struct ldb_message *message,
 181                                      struct ldb_control **controls,
 182                                      void *context)
 183 {
 184         struct ldb_request *req;
 185         int ret;
 186
 187         ret = ldb_msg_sanity_check(ldb, message);
 188         if (ret != LDB_SUCCESS) {
 189                 return ret;
 190         }
 191
 192         ret = ldb_build_mod_req(&req, ldb, ldb,
 193                                         message,
 194                                         controls,
 195                                         context,
 196                                         ldb_modify_default_callback,
 197                                         NULL);
 198
 199         if (ret != LDB_SUCCESS) {
 200                 return ret;
 201         }
 202
 203         ret = ldb_transaction_start(ldb);
 204         if (ret != LDB_SUCCESS) {
 205                 return ret;
 206         }
 207
 208         ret = ldb_request(ldb, req);
 209         if (ret == LDB_SUCCESS) {
 210                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 211         }
 212
 213         if (ret == LDB_SUCCESS) {
 214                 ret = ldb_transaction_commit(ldb);
 215         }
 216         else {
 217                 ldb_transaction_cancel(ldb);
 218         }
 219
 220         talloc_free(req);
 221         return ret;
 222 }
 223
 224 /*
 225   connect to the sam database
 226 */
 227 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
 228 {
 229         conn->ldb = ldb_wrap_connect(conn,
 230                                      conn->connection->event.ctx,
 231                                      conn->lp_ctx,
 232                                      lp_sam_url(conn->lp_ctx),
 233                                      conn->session_info,
 234                                      samdb_credentials(conn->connection->event.ctx, conn->lp_ctx),
 235                                      conn->global_catalog ? LDB_FLG_RDONLY : 0);
 236         if (conn->ldb == NULL) {
 237                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 238         }
 239
 240         if (conn->server_credentials) {
 241                 char **sasl_mechs = NULL;
 242                 struct gensec_security_ops **backends = gensec_security_all();
 243                 struct gensec_security_ops **ops
 244                         = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
 245                 unsigned int i, j = 0;
 246                 for (i = 0; ops && ops[i]; i++) {
 247                         if (!lp_parm_bool(conn->lp_ctx,  NULL, "gensec", ops[i]->name, ops[i]->enabled))
 248                                 continue;
 249
 250                         if (ops[i]->sasl_name && ops[i]->server_start) {
 251                                 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
 252
 253                                 if (!sasl_name) {
 254                                         return NT_STATUS_NO_MEMORY;
 255                                 }
 256                                 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
 257                                 if (!sasl_mechs) {
 258                                         return NT_STATUS_NO_MEMORY;
 259                                 }
 260                                 sasl_mechs[j] = sasl_name;
 261                                 talloc_steal(sasl_mechs, sasl_name);
 262                                 sasl_mechs[j+1] = NULL;
 263                                 j++;
 264                         }
 265                 }
 266                 talloc_unlink(conn, ops);
 267                 ldb_set_opaque(conn->ldb, "supportedSASLMechanims", sasl_mechs);
 268         }
 269
 270         return NT_STATUS_OK;
 271 }
 272
 273 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
 274 {
 275         struct ldapsrv_reply *reply;
 276
 277         reply = talloc(call, struct ldapsrv_reply);
 278         if (!reply) {
 279                 return NULL;
 280         }
 281         reply->msg = talloc(reply, struct ldap_message);
 282         if (reply->msg == NULL) {
 283                 talloc_free(reply);
 284                 return NULL;
 285         }
 286
 287         reply->msg->messageid = call->request->messageid;
 288         reply->msg->type = type;
 289         reply->msg->controls = NULL;
 290
 291         return reply;
 292 }
 293
 294 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
 295 {
 296         DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
 297 }
 298
 299 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 300 {
 301         struct ldapsrv_reply *reply;
 302         struct ldap_ExtendedResponse *r;
 303
 304         DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
 305
 306         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
 307         if (!reply) {
 308                 return NT_STATUS_NO_MEMORY;
 309         }
 310
 311         r = &reply->msg->r.ExtendedResponse;
 312         r->response.resultcode = error;
 313         r->response.dn = NULL;
 314         r->response.errormessage = NULL;
 315         r->response.referral = NULL;
 316         r->oid = NULL;
 317         r->value = NULL;
 318
 319         ldapsrv_queue_reply(call, reply);
 320         return NT_STATUS_OK;
 321 }
 322
 323 int ldb_add_with_context(struct ldb_context *ldb,
 324                          const struct ldb_message *message,
 325                          void *context)
 326 {
 327         struct ldb_request *req;
 328         int ret;
 329
 330         ret = ldb_msg_sanity_check(ldb, message);
 331         if (ret != LDB_SUCCESS) {
 332                 return ret;
 333         }
 334
 335         ret = ldb_build_add_req(&req, ldb, ldb,
 336                                         message,
 337                                         NULL,
 338                                         context,
 339                                         ldb_modify_default_callback,
 340                                         NULL);
 341
 342         if (ret != LDB_SUCCESS) return ret;
 343
 344         ret = ldb_transaction_start(ldb);
 345         if (ret != LDB_SUCCESS) {
 346                 return ret;
 347         }
 348
 349         ret = ldb_request(ldb, req);
 350         if (ret == LDB_SUCCESS) {
 351                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 352         }
 353
 354         if (ret == LDB_SUCCESS) {
 355                 ret = ldb_transaction_commit(ldb);
 356         }
 357         else {
 358                 ldb_transaction_cancel(ldb);
 359         }
 360
 361         talloc_free(req);
 362         return ret;
 363 }
 364
 365 int ldb_delete_with_context(struct ldb_context *ldb,
 366                             struct ldb_dn *dn,
 367                             void *context)
 368 {
 369         struct ldb_request *req;
 370         int ret;
 371
 372         ret = ldb_build_del_req(&req, ldb, ldb,
 373                                         dn,
 374                                         NULL,
 375                                         context,
 376                                         ldb_modify_default_callback,
 377                                         NULL);
 378
 379         if (ret != LDB_SUCCESS) return ret;
 380
 381         ret = ldb_transaction_start(ldb);
 382         if (ret != LDB_SUCCESS) {
 383                 return ret;
 384         }
 385
 386         ret = ldb_request(ldb, req);
 387         if (ret == LDB_SUCCESS) {
 388                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 389         }
 390
 391         if (ret == LDB_SUCCESS) {
 392                 ret = ldb_transaction_commit(ldb);
 393         }
 394         else {
 395                 ldb_transaction_cancel(ldb);
 396         }
 397
 398         talloc_free(req);
 399         return ret;
 400 }
 401
 402 int ldb_rename_with_context(struct ldb_context *ldb,
 403                struct ldb_dn *olddn,
 404                struct ldb_dn *newdn,
 405                void *context)
 406 {
 407         struct ldb_request *req;
 408         int ret;
 409
 410         ret = ldb_build_rename_req(&req, ldb, ldb,
 411                                         olddn,
 412                                         newdn,
 413                                         NULL,
 414                                         context,
 415                                         ldb_modify_default_callback,
 416                                         NULL);
 417
 418         if (ret != LDB_SUCCESS) return ret;
 419
 420         ret = ldb_transaction_start(ldb);
 421         if (ret != LDB_SUCCESS) {
 422                 return ret;
 423         }
 424
 425         ret = ldb_request(ldb, req);
 426         if (ret == LDB_SUCCESS) {
 427                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 428         }
 429
 430         if (ret == LDB_SUCCESS) {
 431                 ret = ldb_transaction_commit(ldb);
 432         }
 433         else {
 434                 ldb_transaction_cancel(ldb);
 435         }
 436
 437         talloc_free(req);
 438         return ret;
 439 }
 440
 441 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 442 {
 443         struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
 444         struct ldap_SearchResEntry *ent;
 445         struct ldap_Result *done;
 446         struct ldapsrv_reply *ent_r, *done_r;
 447         TALLOC_CTX *local_ctx;
 448         struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
 449         struct ldb_dn *basedn;
 450         struct ldb_result *res = NULL;
 451         struct ldb_request *lreq;
 452         struct ldb_control *search_control;
 453         struct ldb_search_options_control *search_options;
 454         struct ldb_control *extended_dn_control;
 455         struct ldb_extended_dn_control *extended_dn_decoded = NULL;
 456         enum ldb_scope scope = LDB_SCOPE_DEFAULT;
 457         const char **attrs = NULL;
 458         const char *scope_str, *errstr = NULL;
 459         int success_limit = 1;
 460         int result = -1;
 461         int ldb_ret = -1;
 462         unsigned int i, j;
 463         int extended_type = 1;
 464
 465         DEBUG(10, ("SearchRequest"));
 466         DEBUGADD(10, (" basedn: %s", req->basedn));
 467         DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
 468
 469         local_ctx = talloc_new(call);
 470         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 471
 472         basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
 473         VALID_DN_SYNTAX(basedn);
 474
 475         DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
 476         DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
 477
 478         switch (req->scope) {
 479                 case LDAP_SEARCH_SCOPE_BASE:
 480                         scope_str = "BASE";
 481                         scope = LDB_SCOPE_BASE;
 482                         success_limit = 0;
 483                         break;
 484                 case LDAP_SEARCH_SCOPE_SINGLE:
 485                         scope_str = "ONE";
 486                         scope = LDB_SCOPE_ONELEVEL;
 487                         success_limit = 0;
 488                         break;
 489                 case LDAP_SEARCH_SCOPE_SUB:
 490                         scope_str = "SUB";
 491                         scope = LDB_SCOPE_SUBTREE;
 492                         success_limit = 0;
 493                         break;
 494                 default:
 495                         result = LDAP_PROTOCOL_ERROR;
 496                         map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 497                                 &errstr);
 498                         errstr = talloc_asprintf(local_ctx,
 499                                 "%s. Invalid scope", errstr);
 500                         goto reply;
 501         }
 502         DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
 503
 504         if (req->num_attributes >= 1) {
 505                 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
 506                 NT_STATUS_HAVE_NO_MEMORY(attrs);
 507
 508                 for (i=0; i < req->num_attributes; i++) {
 509                         DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
 510                         attrs[i] = req->attributes[i];
 511                 }
 512                 attrs[i] = NULL;
 513         }
 514
 515         DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
 516                  scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
 517
 518         res = talloc_zero(local_ctx, struct ldb_result);
 519         NT_STATUS_HAVE_NO_MEMORY(res);
 520
 521         ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
 522                                           basedn, scope,
 523                                           req->tree, attrs,
 524                                           call->request->controls,
 525                                           res, ldb_search_default_callback,
 526                                           NULL);
 527
 528         if (ldb_ret != LDB_SUCCESS) {
 529                 goto reply;
 530         }
 531
 532         if (call->conn->global_catalog) {
 533                 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
 534
 535                 search_options = NULL;
 536                 if (search_control) {
 537                         search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
 538                         search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
 539                 } else {
 540                         search_options = talloc(lreq, struct ldb_search_options_control);
 541                         NT_STATUS_HAVE_NO_MEMORY(search_options);
 542                         search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
 543                         ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
 544                 }
 545         }
 546
 547         extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
 548
 549         if (extended_dn_control) {
 550                 if (extended_dn_control->data) {
 551                         extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
 552                         extended_type = extended_dn_decoded->type;
 553                 } else {
 554                         extended_type = 0;
 555                 }
 556         }
 557
 558         ldb_set_timeout(samdb, lreq, req->timelimit);
 559
 560         ldb_ret = ldb_request(samdb, lreq);
 561
 562         if (ldb_ret != LDB_SUCCESS) {
 563                 goto reply;
 564         }
 565
 566         ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
 567
 568         if (ldb_ret == LDB_SUCCESS) {
 569                 for (i = 0; i < res->count; i++) {
 570                         ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
 571                         NT_STATUS_HAVE_NO_MEMORY(ent_r);
 572
 573                         /* Better to have the whole message kept here,
 574                          * than to find someone further up didn't put
 575                          * a value in the right spot in the talloc tree */
 576                         talloc_steal(ent_r, res->msgs[i]);
 577
 578                         ent = &ent_r->msg->r.SearchResultEntry;
 579                         ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
 580                         ent->num_attributes = 0;
 581                         ent->attributes = NULL;
 582                         if (res->msgs[i]->num_elements == 0) {
 583                                 goto queue_reply;
 584                         }
 585                         ent->num_attributes = res->msgs[i]->num_elements;
 586                         ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
 587                         NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
 588                         for (j=0; j < ent->num_attributes; j++) {
 589                                 ent->attributes[j].name = res->msgs[i]->elements[j].name;
 590                                 ent->attributes[j].num_values = 0;
 591                                 ent->attributes[j].values = NULL;
 592                                 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
 593                                         continue;
 594                                 }
 595                                 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
 596                                 ent->attributes[j].values = res->msgs[i]->elements[j].values;
 597                         }
 598 queue_reply:
 599                         ldapsrv_queue_reply(call, ent_r);
 600                 }
 601
 602                 /* Send back referrals if they do exist (search operations) */
 603                 if (res->refs != NULL) {
 604                         char **ref;
 605                         struct ldap_SearchResRef *ent_ref;
 606
 607                         for (ref = res->refs; *ref != NULL; ++ref) {
 608                                 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
 609                                 NT_STATUS_HAVE_NO_MEMORY(ent_r);
 610
 611                                 /* Better to have the whole referrals kept here,
 612                                  * than to find someone further up didn't put
 613                                  * a value in the right spot in the talloc tree
 614                                  */
 615                                 talloc_steal(ent_r, *ref);
 616
 617                                 ent_ref = &ent_r->msg->r.SearchResultReference;
 618                                 ent_ref->referral = *ref;
 619
 620                                 ldapsrv_queue_reply(call, ent_r);
 621                         }
 622                 }
 623         }
 624
 625 reply:
 626         done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
 627         NT_STATUS_HAVE_NO_MEMORY(done_r);
 628
 629         done = &done_r->msg->r.SearchResultDone;
 630         done->dn = NULL;
 631         done->referral = NULL;
 632
 633         if (result != -1) {
 634         } else if (ldb_ret == LDB_SUCCESS) {
 635                 if (res->count >= success_limit) {
 636                         DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
 637                         result = LDAP_SUCCESS;
 638                         errstr = NULL;
 639                 }
 640                 if (res->controls) {
 641                         done_r->msg->controls = res->controls;
 642                         talloc_steal(done_r, res->controls);
 643                 }
 644         } else {
 645                 DEBUG(10,("SearchRequest: error\n"));
 646                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 647                                        &errstr);
 648         }
 649
 650         done->resultcode = result;
 651         done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
 652
 653         talloc_free(local_ctx);
 654
 655         ldapsrv_queue_reply(call, done_r);
 656         return NT_STATUS_OK;
 657 }
 658
 659 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 660 {
 661         struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
 662         struct ldap_Result *modify_result;
 663         struct ldapsrv_reply *modify_reply;
 664         TALLOC_CTX *local_ctx;
 665         struct ldb_context *samdb = call->conn->ldb;
 666         struct ldb_message *msg = NULL;
 667         struct ldb_dn *dn;
 668         const char *errstr = NULL;
 669         int result = LDAP_SUCCESS;
 670         int ldb_ret;
 671         unsigned int i,j;
 672         struct ldb_result *res = NULL;
 673
 674         DEBUG(10, ("ModifyRequest"));
 675         DEBUGADD(10, (" dn: %s\n", req->dn));
 676
 677         local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
 678         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 679
 680         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 681         VALID_DN_SYNTAX(dn);
 682
 683         DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
 684
 685         msg = talloc(local_ctx, struct ldb_message);
 686         NT_STATUS_HAVE_NO_MEMORY(msg);
 687
 688         msg->dn = dn;
 689         msg->num_elements = 0;
 690         msg->elements = NULL;
 691
 692         if (req->num_mods > 0) {
 693                 msg->num_elements = req->num_mods;
 694                 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
 695                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 696
 697                 for (i=0; i < msg->num_elements; i++) {
 698                         msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
 699                         msg->elements[i].num_values = 0;
 700                         msg->elements[i].values = NULL;
 701
 702                         switch (req->mods[i].type) {
 703                         default:
 704                                 result = LDAP_PROTOCOL_ERROR;
 705                                 map_ldb_error(local_ctx,
 706                                         LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
 707                                 errstr = talloc_asprintf(local_ctx,
 708                                         "%s. Invalid LDAP_MODIFY_* type", errstr);
 709                                 goto reply;
 710                         case LDAP_MODIFY_ADD:
 711                                 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
 712                                 break;
 713                         case LDAP_MODIFY_DELETE:
 714                                 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
 715                                 break;
 716                         case LDAP_MODIFY_REPLACE:
 717                                 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 718                                 break;
 719                         }
 720
 721                         msg->elements[i].num_values = req->mods[i].attrib.num_values;
 722                         if (msg->elements[i].num_values > 0) {
 723                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 724                                                                        msg->elements[i].num_values);
 725                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 726
 727                                 for (j=0; j < msg->elements[i].num_values; j++) {
 728                                         msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
 729                                         msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
 730                                 }
 731                         }
 732                 }
 733         }
 734
 735 reply:
 736         modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
 737         NT_STATUS_HAVE_NO_MEMORY(modify_reply);
 738
 739         if (result == LDAP_SUCCESS) {
 740                 res = talloc_zero(local_ctx, struct ldb_result);
 741                 NT_STATUS_HAVE_NO_MEMORY(res);
 742                 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls, res);
 743                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 744                                        &errstr);
 745         }
 746
 747         modify_result = &modify_reply->msg->r.ModifyResponse;
 748         modify_result->dn = NULL;
 749         if ((res != NULL) && (res->refs != NULL)) {
 750                 modify_result->resultcode = map_ldb_error(local_ctx,
 751                                                           LDB_ERR_REFERRAL,
 752                                                           NULL, &errstr);
 753                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 754                 modify_result->referral = talloc_strdup(call, *res->refs);
 755         } else {
 756                 modify_result->resultcode = result;
 757                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 758                 modify_result->referral = NULL;
 759         }
 760         talloc_free(local_ctx);
 761
 762         ldapsrv_queue_reply(call, modify_reply);
 763         return NT_STATUS_OK;
 764
 765 }
 766
 767 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 768 {
 769         struct ldap_AddRequest *req = &call->request->r.AddRequest;
 770         struct ldap_Result *add_result;
 771         struct ldapsrv_reply *add_reply;
 772         TALLOC_CTX *local_ctx;
 773         struct ldb_context *samdb = call->conn->ldb;
 774         struct ldb_message *msg = NULL;
 775         struct ldb_dn *dn;
 776         const char *errstr = NULL;
 777         int result = LDAP_SUCCESS;
 778         int ldb_ret;
 779         unsigned int i,j;
 780         struct ldb_result *res = NULL;
 781
 782         DEBUG(10, ("AddRequest"));
 783         DEBUGADD(10, (" dn: %s\n", req->dn));
 784
 785         local_ctx = talloc_named(call, 0, "AddRequest local memory context");
 786         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 787
 788         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 789         VALID_DN_SYNTAX(dn);
 790
 791         DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
 792
 793         msg = talloc(local_ctx, struct ldb_message);
 794         NT_STATUS_HAVE_NO_MEMORY(msg);
 795
 796         msg->dn = dn;
 797         msg->num_elements = 0;
 798         msg->elements = NULL;
 799
 800         if (req->num_attributes > 0) {
 801                 msg->num_elements = req->num_attributes;
 802                 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
 803                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 804
 805                 for (i=0; i < msg->num_elements; i++) {
 806                         msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
 807                         msg->elements[i].flags = 0;
 808                         msg->elements[i].num_values = 0;
 809                         msg->elements[i].values = NULL;
 810
 811                         if (req->attributes[i].num_values > 0) {
 812                                 msg->elements[i].num_values = req->attributes[i].num_values;
 813                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 814                                                                        msg->elements[i].num_values);
 815                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 816
 817                                 for (j=0; j < msg->elements[i].num_values; j++) {
 818                                         msg->elements[i].values[j].length = req->attributes[i].values[j].length;
 819                                         msg->elements[i].values[j].data = req->attributes[i].values[j].data;
 820                                 }
 821                         }
 822                 }
 823         }
 824
 825 reply:
 826         add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
 827         NT_STATUS_HAVE_NO_MEMORY(add_reply);
 828
 829         if (result == LDAP_SUCCESS) {
 830                 res = talloc_zero(local_ctx, struct ldb_result);
 831                 NT_STATUS_HAVE_NO_MEMORY(res);
 832                 ldb_ret = ldb_add_with_context(samdb, msg, res);
 833                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 834                                        &errstr);
 835         }
 836
 837         add_result = &add_reply->msg->r.AddResponse;
 838         add_result->dn = NULL;
 839         if ((res != NULL) && (res->refs != NULL)) {
 840                 add_result->resultcode =  map_ldb_error(local_ctx,
 841                                                         LDB_ERR_REFERRAL, NULL,
 842                                                         &errstr);
 843                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 844                 add_result->referral = talloc_strdup(call, *res->refs);
 845         } else {
 846                 add_result->resultcode = result;
 847                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 848                 add_result->referral = NULL;
 849         }
 850         talloc_free(local_ctx);
 851
 852         ldapsrv_queue_reply(call, add_reply);
 853         return NT_STATUS_OK;
 854
 855 }
 856
 857 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 858 {
 859         struct ldap_DelRequest *req = &call->request->r.DelRequest;
 860         struct ldap_Result *del_result;
 861         struct ldapsrv_reply *del_reply;
 862         TALLOC_CTX *local_ctx;
 863         struct ldb_context *samdb = call->conn->ldb;
 864         struct ldb_dn *dn;
 865         const char *errstr = NULL;
 866         int result = LDAP_SUCCESS;
 867         int ldb_ret;
 868         struct ldb_result *res = NULL;
 869
 870         DEBUG(10, ("DelRequest"));
 871         DEBUGADD(10, (" dn: %s\n", req->dn));
 872
 873         local_ctx = talloc_named(call, 0, "DelRequest local memory context");
 874         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 875
 876         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 877         VALID_DN_SYNTAX(dn);
 878
 879         DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
 880
 881 reply:
 882         del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
 883         NT_STATUS_HAVE_NO_MEMORY(del_reply);
 884
 885         if (result == LDAP_SUCCESS) {
 886                 res = talloc_zero(local_ctx, struct ldb_result);
 887                 NT_STATUS_HAVE_NO_MEMORY(res);
 888                 ldb_ret = ldb_delete_with_context(samdb, dn, res);
 889                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 890                                        &errstr);
 891         }
 892
 893         del_result = &del_reply->msg->r.DelResponse;
 894         del_result->dn = NULL;
 895         if ((res != NULL) && (res->refs != NULL)) {
 896                 del_result->resultcode = map_ldb_error(local_ctx,
 897                                                        LDB_ERR_REFERRAL, NULL,
 898                                                        &errstr);
 899                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 900                 del_result->referral = talloc_strdup(call, *res->refs);
 901         } else {
 902                 del_result->resultcode = result;
 903                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 904                 del_result->referral = NULL;
 905         }
 906
 907         talloc_free(local_ctx);
 908
 909         ldapsrv_queue_reply(call, del_reply);
 910         return NT_STATUS_OK;
 911 }
 912
 913 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
 914 {
 915         struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
 916         struct ldap_Result *modifydn;
 917         struct ldapsrv_reply *modifydn_r;
 918         TALLOC_CTX *local_ctx;
 919         struct ldb_context *samdb = call->conn->ldb;
 920         struct ldb_dn *olddn, *newdn=NULL, *newrdn;
 921         struct ldb_dn *parentdn = NULL;
 922         const char *errstr = NULL;
 923         int result = LDAP_SUCCESS;
 924         int ldb_ret;
 925         struct ldb_result *res = NULL;
 926
 927         DEBUG(10, ("ModifyDNRequest"));
 928         DEBUGADD(10, (" dn: %s", req->dn));
 929         DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
 930
 931         local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
 932         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 933
 934         olddn = ldb_dn_new(local_ctx, samdb, req->dn);
 935         VALID_DN_SYNTAX(olddn);
 936
 937         newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
 938         VALID_DN_SYNTAX(newrdn);
 939
 940         DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
 941         DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
 942
 943         if (ldb_dn_get_comp_num(newrdn) == 0) {
 944                 result = LDAP_PROTOCOL_ERROR;
 945                 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 946                               &errstr);
 947                 goto reply;
 948         }
 949
 950         if (ldb_dn_get_comp_num(newrdn) > 1) {
 951                 result = LDAP_NAMING_VIOLATION;
 952                 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
 953                               &errstr);
 954                 goto reply;
 955         }
 956
 957         /* we can't handle the rename if we should not remove the old dn */
 958         if (!req->deleteolddn) {
 959                 result = LDAP_UNWILLING_TO_PERFORM;
 960                 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
 961                               &errstr);
 962                 errstr = talloc_asprintf(local_ctx,
 963                         "%s. Old RDN must be deleted", errstr);
 964                 goto reply;
 965         }
 966
 967         if (req->newsuperior) {
 968                 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
 969                 VALID_DN_SYNTAX(parentdn);
 970                 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
 971         }
 972
 973         if (!parentdn) {
 974                 parentdn = ldb_dn_get_parent(local_ctx, olddn);
 975         }
 976         if (!parentdn) {
 977                 result = LDAP_NO_SUCH_OBJECT;
 978                 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
 979                 goto reply;
 980         }
 981
 982         if ( ! ldb_dn_add_child(parentdn, newrdn)) {
 983                 result = LDAP_OTHER;
 984                 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
 985                 goto reply;
 986         }
 987         newdn = parentdn;
 988
 989 reply:
 990         modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
 991         NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
 992
 993         if (result == LDAP_SUCCESS) {
 994                 res = talloc_zero(local_ctx, struct ldb_result);
 995                 NT_STATUS_HAVE_NO_MEMORY(res);
 996                 ldb_ret = ldb_rename_with_context(samdb, olddn, newdn, res);
 997                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 998                                        &errstr);
 999         }
1000
1001         modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1002         modifydn->dn = NULL;
1003         if ((res != NULL) && (res->refs != NULL)) {
1004                 modifydn->resultcode = map_ldb_error(local_ctx,
1005                                                      LDB_ERR_REFERRAL, NULL,
1006                                                      &errstr);;
1007                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1008                 modifydn->referral = talloc_strdup(call, *res->refs);
1009         } else {
1010                 modifydn->resultcode = result;
1011                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1012                 modifydn->referral = NULL;
1013         }
1014
1015         talloc_free(local_ctx);
1016
1017         ldapsrv_queue_reply(call, modifydn_r);
1018         return NT_STATUS_OK;
1019 }
1020
1021 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1022 {
1023         struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1024         struct ldap_Result *compare;
1025         struct ldapsrv_reply *compare_r;
1026         TALLOC_CTX *local_ctx;
1027         struct ldb_context *samdb = call->conn->ldb;
1028         struct ldb_result *res = NULL;
1029         struct ldb_dn *dn;
1030         const char *attrs[1];
1031         const char *errstr = NULL;
1032         const char *filter = NULL;
1033         int result = LDAP_SUCCESS;
1034         int ldb_ret;
1035
1036         DEBUG(10, ("CompareRequest"));
1037         DEBUGADD(10, (" dn: %s\n", req->dn));
1038
1039         local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1040         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1041
1042         dn = ldb_dn_new(local_ctx, samdb, req->dn);
1043         VALID_DN_SYNTAX(dn);
1044
1045         DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1046         filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1047                                  (int)req->value.length, req->value.data);
1048         NT_STATUS_HAVE_NO_MEMORY(filter);
1049
1050         DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1051
1052         attrs[0] = NULL;
1053
1054 reply:
1055         compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1056         NT_STATUS_HAVE_NO_MEMORY(compare_r);
1057
1058         if (result == LDAP_SUCCESS) {
1059                 ldb_ret = ldb_search(samdb, local_ctx, &res,
1060                                      dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1061                 if (ldb_ret != LDB_SUCCESS) {
1062                         result = map_ldb_error(local_ctx, ldb_ret,
1063                                                ldb_errstring(samdb), &errstr);
1064                         DEBUG(10,("CompareRequest: error: %s\n", errstr));
1065                 } else if (res->count == 0) {
1066                         DEBUG(10,("CompareRequest: doesn't matched\n"));
1067                         result = LDAP_COMPARE_FALSE;
1068                         errstr = NULL;
1069                 } else if (res->count == 1) {
1070                         DEBUG(10,("CompareRequest: matched\n"));
1071                         result = LDAP_COMPARE_TRUE;
1072                         errstr = NULL;
1073                 } else if (res->count > 1) {
1074                         result = LDAP_OTHER;
1075                         map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1076                         errstr = talloc_asprintf(local_ctx,
1077                                 "%s. Too many objects match!", errstr);
1078                         DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1079                 }
1080         }
1081
1082         compare = &compare_r->msg->r.CompareResponse;
1083         compare->dn = NULL;
1084         compare->resultcode = result;
1085         compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1086         compare->referral = NULL;
1087
1088         talloc_free(local_ctx);
1089
1090         ldapsrv_queue_reply(call, compare_r);
1091         return NT_STATUS_OK;
1092 }
1093
1094 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1095 {
1096 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1097         DEBUG(10, ("AbandonRequest\n"));
1098         return NT_STATUS_OK;
1099 }
1100
1101 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1102 {
1103         unsigned int i;
1104         struct ldap_message *msg = call->request;
1105         /* Check for undecoded critical extensions */
1106         for (i=0; msg->controls && msg->controls[i]; i++) {
1107                 if (!msg->controls_decoded[i] &&
1108                     msg->controls[i]->critical) {
1109                         DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1110                                   msg->controls[i]->oid));
1111                         return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1112                 }
1113         }
1114
1115         switch(call->request->type) {
1116         case LDAP_TAG_BindRequest:
1117                 return ldapsrv_BindRequest(call);
1118         case LDAP_TAG_UnbindRequest:
1119                 return ldapsrv_UnbindRequest(call);
1120         case LDAP_TAG_SearchRequest:
1121                 return ldapsrv_SearchRequest(call);
1122         case LDAP_TAG_ModifyRequest:
1123                 return ldapsrv_ModifyRequest(call);
1124         case LDAP_TAG_AddRequest:
1125                 return ldapsrv_AddRequest(call);
1126         case LDAP_TAG_DelRequest:
1127                 return ldapsrv_DelRequest(call);
1128         case LDAP_TAG_ModifyDNRequest:
1129                 return ldapsrv_ModifyDNRequest(call);
1130         case LDAP_TAG_CompareRequest:
1131                 return ldapsrv_CompareRequest(call);
1132         case LDAP_TAG_AbandonRequest:
1133                 return ldapsrv_AbandonRequest(call);
1134         case LDAP_TAG_ExtendedRequest:
1135                 return ldapsrv_ExtendedRequest(call);
1136         default:
1137                 return ldapsrv_unwilling(call, 2);
1138         }
1139 }