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
 179 /*
 180   connect to the sam database
 181 */
 182 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
 183 {
 184         conn->ldb = ldb_wrap_connect(conn,
 185                                      conn->connection->event.ctx,
 186                                      conn->lp_ctx,
 187                                      lp_sam_url(conn->lp_ctx),
 188                                      conn->session_info,
 189                                      samdb_credentials(conn->connection->event.ctx, conn->lp_ctx),
 190                                      conn->global_catalog ? LDB_FLG_RDONLY : 0);
 191         if (conn->ldb == NULL) {
 192                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 193         }
 194
 195         if (conn->server_credentials) {
 196                 char **sasl_mechs = NULL;
 197                 struct gensec_security_ops **backends = gensec_security_all();
 198                 struct gensec_security_ops **ops
 199                         = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
 200                 unsigned int i, j = 0;
 201                 for (i = 0; ops && ops[i]; i++) {
 202                         if (!lp_parm_bool(conn->lp_ctx,  NULL, "gensec", ops[i]->name, ops[i]->enabled))
 203                                 continue;
 204
 205                         if (ops[i]->sasl_name && ops[i]->server_start) {
 206                                 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
 207
 208                                 if (!sasl_name) {
 209                                         return NT_STATUS_NO_MEMORY;
 210                                 }
 211                                 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
 212                                 if (!sasl_mechs) {
 213                                         return NT_STATUS_NO_MEMORY;
 214                                 }
 215                                 sasl_mechs[j] = sasl_name;
 216                                 talloc_steal(sasl_mechs, sasl_name);
 217                                 sasl_mechs[j+1] = NULL;
 218                                 j++;
 219                         }
 220                 }
 221                 talloc_unlink(conn, ops);
 222
 223                 /* ldb can have a different lifetime to conn, so we
 224                    need to ensure that sasl_mechs lives as long as the
 225                    ldb does */
 226                 talloc_steal(conn->ldb, sasl_mechs);
 227
 228                 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
 229         }
 230
 231         return NT_STATUS_OK;
 232 }
 233
 234 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
 235 {
 236         struct ldapsrv_reply *reply;
 237
 238         reply = talloc(call, struct ldapsrv_reply);
 239         if (!reply) {
 240                 return NULL;
 241         }
 242         reply->msg = talloc(reply, struct ldap_message);
 243         if (reply->msg == NULL) {
 244                 talloc_free(reply);
 245                 return NULL;
 246         }
 247
 248         reply->msg->messageid = call->request->messageid;
 249         reply->msg->type = type;
 250         reply->msg->controls = NULL;
 251
 252         return reply;
 253 }
 254
 255 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
 256 {
 257         DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
 258 }
 259
 260 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 261 {
 262         struct ldapsrv_reply *reply;
 263         struct ldap_ExtendedResponse *r;
 264
 265         DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
 266
 267         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
 268         if (!reply) {
 269                 return NT_STATUS_NO_MEMORY;
 270         }
 271
 272         r = &reply->msg->r.ExtendedResponse;
 273         r->response.resultcode = error;
 274         r->response.dn = NULL;
 275         r->response.errormessage = NULL;
 276         r->response.referral = NULL;
 277         r->oid = NULL;
 278         r->value = NULL;
 279
 280         ldapsrv_queue_reply(call, reply);
 281         return NT_STATUS_OK;
 282 }
 283
 284 static int ldb_add_with_context(struct ldb_context *ldb,
 285                                 const struct ldb_message *message,
 286                                 void *context)
 287 {
 288         struct ldb_request *req;
 289         int ret;
 290
 291         ret = ldb_msg_sanity_check(ldb, message);
 292         if (ret != LDB_SUCCESS) {
 293                 return ret;
 294         }
 295
 296         ret = ldb_build_add_req(&req, ldb, ldb,
 297                                         message,
 298                                         NULL,
 299                                         context,
 300                                         ldb_modify_default_callback,
 301                                         NULL);
 302
 303         if (ret != LDB_SUCCESS) return ret;
 304
 305         ret = ldb_transaction_start(ldb);
 306         if (ret != LDB_SUCCESS) {
 307                 return ret;
 308         }
 309
 310         ret = ldb_request(ldb, req);
 311         if (ret == LDB_SUCCESS) {
 312                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 313         }
 314
 315         if (ret == LDB_SUCCESS) {
 316                 ret = ldb_transaction_commit(ldb);
 317         }
 318         else {
 319                 ldb_transaction_cancel(ldb);
 320         }
 321
 322         talloc_free(req);
 323         return ret;
 324 }
 325
 326 /* create and execute a modify request */
 327 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
 328                                      const struct ldb_message *message,
 329                                      struct ldb_control **controls,
 330                                      void *context)
 331 {
 332         struct ldb_request *req;
 333         int ret;
 334
 335         ret = ldb_msg_sanity_check(ldb, message);
 336         if (ret != LDB_SUCCESS) {
 337                 return ret;
 338         }
 339
 340         ret = ldb_build_mod_req(&req, ldb, ldb,
 341                                         message,
 342                                         controls,
 343                                         context,
 344                                         ldb_modify_default_callback,
 345                                         NULL);
 346
 347         if (ret != LDB_SUCCESS) {
 348                 return ret;
 349         }
 350
 351         ret = ldb_transaction_start(ldb);
 352         if (ret != LDB_SUCCESS) {
 353                 return ret;
 354         }
 355
 356         ret = ldb_request(ldb, req);
 357         if (ret == LDB_SUCCESS) {
 358                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 359         }
 360
 361         if (ret == LDB_SUCCESS) {
 362                 ret = ldb_transaction_commit(ldb);
 363         }
 364         else {
 365                 ldb_transaction_cancel(ldb);
 366         }
 367
 368         talloc_free(req);
 369         return ret;
 370 }
 371
 372 /* create and execute a delete request */
 373 static int ldb_del_req_with_controls(struct ldb_context *ldb,
 374                                      struct ldb_dn *dn,
 375                                      struct ldb_control **controls,
 376                                      void *context)
 377 {
 378         struct ldb_request *req;
 379         int ret;
 380
 381         ret = ldb_build_del_req(&req, ldb, ldb,
 382                                         dn,
 383                                         controls,
 384                                         context,
 385                                         ldb_modify_default_callback,
 386                                         NULL);
 387
 388         if (ret != LDB_SUCCESS) return ret;
 389
 390         ret = ldb_transaction_start(ldb);
 391         if (ret != LDB_SUCCESS) {
 392                 return ret;
 393         }
 394
 395         ret = ldb_request(ldb, req);
 396         if (ret == LDB_SUCCESS) {
 397                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 398         }
 399
 400         if (ret == LDB_SUCCESS) {
 401                 ret = ldb_transaction_commit(ldb);
 402         }
 403         else {
 404                 ldb_transaction_cancel(ldb);
 405         }
 406
 407         talloc_free(req);
 408         return ret;
 409 }
 410
 411 int ldb_rename_with_context(struct ldb_context *ldb,
 412                struct ldb_dn *olddn,
 413                struct ldb_dn *newdn,
 414                void *context)
 415 {
 416         struct ldb_request *req;
 417         int ret;
 418
 419         ret = ldb_build_rename_req(&req, ldb, ldb,
 420                                         olddn,
 421                                         newdn,
 422                                         NULL,
 423                                         context,
 424                                         ldb_modify_default_callback,
 425                                         NULL);
 426
 427         if (ret != LDB_SUCCESS) return ret;
 428
 429         ret = ldb_transaction_start(ldb);
 430         if (ret != LDB_SUCCESS) {
 431                 return ret;
 432         }
 433
 434         ret = ldb_request(ldb, req);
 435         if (ret == LDB_SUCCESS) {
 436                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 437         }
 438
 439         if (ret == LDB_SUCCESS) {
 440                 ret = ldb_transaction_commit(ldb);
 441         }
 442         else {
 443                 ldb_transaction_cancel(ldb);
 444         }
 445
 446         talloc_free(req);
 447         return ret;
 448 }
 449
 450 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 451 {
 452         struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
 453         struct ldap_SearchResEntry *ent;
 454         struct ldap_Result *done;
 455         struct ldapsrv_reply *ent_r, *done_r;
 456         TALLOC_CTX *local_ctx;
 457         struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
 458         struct ldb_dn *basedn;
 459         struct ldb_result *res = NULL;
 460         struct ldb_request *lreq;
 461         struct ldb_control *search_control;
 462         struct ldb_search_options_control *search_options;
 463         struct ldb_control *extended_dn_control;
 464         struct ldb_extended_dn_control *extended_dn_decoded = NULL;
 465         enum ldb_scope scope = LDB_SCOPE_DEFAULT;
 466         const char **attrs = NULL;
 467         const char *scope_str, *errstr = NULL;
 468         int success_limit = 1;
 469         int result = -1;
 470         int ldb_ret = -1;
 471         unsigned int i, j;
 472         int extended_type = 1;
 473
 474         DEBUG(10, ("SearchRequest"));
 475         DEBUGADD(10, (" basedn: %s", req->basedn));
 476         DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
 477
 478         local_ctx = talloc_new(call);
 479         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 480
 481         basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
 482         VALID_DN_SYNTAX(basedn);
 483
 484         DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
 485         DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
 486
 487         switch (req->scope) {
 488                 case LDAP_SEARCH_SCOPE_BASE:
 489                         scope_str = "BASE";
 490                         scope = LDB_SCOPE_BASE;
 491                         success_limit = 0;
 492                         break;
 493                 case LDAP_SEARCH_SCOPE_SINGLE:
 494                         scope_str = "ONE";
 495                         scope = LDB_SCOPE_ONELEVEL;
 496                         success_limit = 0;
 497                         break;
 498                 case LDAP_SEARCH_SCOPE_SUB:
 499                         scope_str = "SUB";
 500                         scope = LDB_SCOPE_SUBTREE;
 501                         success_limit = 0;
 502                         break;
 503                 default:
 504                         result = LDAP_PROTOCOL_ERROR;
 505                         map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 506                                 &errstr);
 507                         errstr = talloc_asprintf(local_ctx,
 508                                 "%s. Invalid scope", errstr);
 509                         goto reply;
 510         }
 511         DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
 512
 513         if (req->num_attributes >= 1) {
 514                 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
 515                 NT_STATUS_HAVE_NO_MEMORY(attrs);
 516
 517                 for (i=0; i < req->num_attributes; i++) {
 518                         DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
 519                         attrs[i] = req->attributes[i];
 520                 }
 521                 attrs[i] = NULL;
 522         }
 523
 524         DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
 525                  scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
 526
 527         res = talloc_zero(local_ctx, struct ldb_result);
 528         NT_STATUS_HAVE_NO_MEMORY(res);
 529
 530         ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
 531                                           basedn, scope,
 532                                           req->tree, attrs,
 533                                           call->request->controls,
 534                                           res, ldb_search_default_callback,
 535                                           NULL);
 536
 537         if (ldb_ret != LDB_SUCCESS) {
 538                 goto reply;
 539         }
 540
 541         if (call->conn->global_catalog) {
 542                 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
 543
 544                 search_options = NULL;
 545                 if (search_control) {
 546                         search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
 547                         search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
 548                 } else {
 549                         search_options = talloc(lreq, struct ldb_search_options_control);
 550                         NT_STATUS_HAVE_NO_MEMORY(search_options);
 551                         search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
 552                         ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
 553                 }
 554         }
 555
 556         extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
 557
 558         if (extended_dn_control) {
 559                 if (extended_dn_control->data) {
 560                         extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
 561                         extended_type = extended_dn_decoded->type;
 562                 } else {
 563                         extended_type = 0;
 564                 }
 565         }
 566
 567         ldb_set_timeout(samdb, lreq, req->timelimit);
 568
 569         ldb_ret = ldb_request(samdb, lreq);
 570
 571         if (ldb_ret != LDB_SUCCESS) {
 572                 goto reply;
 573         }
 574
 575         ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
 576
 577         if (ldb_ret == LDB_SUCCESS) {
 578                 for (i = 0; i < res->count; i++) {
 579                         ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
 580                         NT_STATUS_HAVE_NO_MEMORY(ent_r);
 581
 582                         /* Better to have the whole message kept here,
 583                          * than to find someone further up didn't put
 584                          * a value in the right spot in the talloc tree */
 585                         talloc_steal(ent_r, res->msgs[i]);
 586
 587                         ent = &ent_r->msg->r.SearchResultEntry;
 588                         ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
 589                         ent->num_attributes = 0;
 590                         ent->attributes = NULL;
 591                         if (res->msgs[i]->num_elements == 0) {
 592                                 goto queue_reply;
 593                         }
 594                         ent->num_attributes = res->msgs[i]->num_elements;
 595                         ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
 596                         NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
 597                         for (j=0; j < ent->num_attributes; j++) {
 598                                 ent->attributes[j].name = res->msgs[i]->elements[j].name;
 599                                 ent->attributes[j].num_values = 0;
 600                                 ent->attributes[j].values = NULL;
 601                                 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
 602                                         continue;
 603                                 }
 604                                 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
 605                                 ent->attributes[j].values = res->msgs[i]->elements[j].values;
 606                         }
 607 queue_reply:
 608                         ldapsrv_queue_reply(call, ent_r);
 609                 }
 610
 611                 /* Send back referrals if they do exist (search operations) */
 612                 if (res->refs != NULL) {
 613                         char **ref;
 614                         struct ldap_SearchResRef *ent_ref;
 615
 616                         for (ref = res->refs; *ref != NULL; ++ref) {
 617                                 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
 618                                 NT_STATUS_HAVE_NO_MEMORY(ent_r);
 619
 620                                 /* Better to have the whole referrals kept here,
 621                                  * than to find someone further up didn't put
 622                                  * a value in the right spot in the talloc tree
 623                                  */
 624                                 talloc_steal(ent_r, *ref);
 625
 626                                 ent_ref = &ent_r->msg->r.SearchResultReference;
 627                                 ent_ref->referral = *ref;
 628
 629                                 ldapsrv_queue_reply(call, ent_r);
 630                         }
 631                 }
 632         }
 633
 634 reply:
 635         done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
 636         NT_STATUS_HAVE_NO_MEMORY(done_r);
 637
 638         done = &done_r->msg->r.SearchResultDone;
 639         done->dn = NULL;
 640         done->referral = NULL;
 641
 642         if (result != -1) {
 643         } else if (ldb_ret == LDB_SUCCESS) {
 644                 if (res->count >= success_limit) {
 645                         DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
 646                         result = LDAP_SUCCESS;
 647                         errstr = NULL;
 648                 }
 649                 if (res->controls) {
 650                         done_r->msg->controls = res->controls;
 651                         talloc_steal(done_r, res->controls);
 652                 }
 653         } else {
 654                 DEBUG(10,("SearchRequest: error\n"));
 655                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 656                                        &errstr);
 657         }
 658
 659         done->resultcode = result;
 660         done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
 661
 662         talloc_free(local_ctx);
 663
 664         ldapsrv_queue_reply(call, done_r);
 665         return NT_STATUS_OK;
 666 }
 667
 668 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 669 {
 670         struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
 671         struct ldap_Result *modify_result;
 672         struct ldapsrv_reply *modify_reply;
 673         TALLOC_CTX *local_ctx;
 674         struct ldb_context *samdb = call->conn->ldb;
 675         struct ldb_message *msg = NULL;
 676         struct ldb_dn *dn;
 677         const char *errstr = NULL;
 678         int result = LDAP_SUCCESS;
 679         int ldb_ret;
 680         unsigned int i,j;
 681         struct ldb_result *res = NULL;
 682
 683         DEBUG(10, ("ModifyRequest"));
 684         DEBUGADD(10, (" dn: %s\n", req->dn));
 685
 686         local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
 687         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 688
 689         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 690         VALID_DN_SYNTAX(dn);
 691
 692         DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
 693
 694         msg = talloc(local_ctx, struct ldb_message);
 695         NT_STATUS_HAVE_NO_MEMORY(msg);
 696
 697         msg->dn = dn;
 698         msg->num_elements = 0;
 699         msg->elements = NULL;
 700
 701         if (req->num_mods > 0) {
 702                 msg->num_elements = req->num_mods;
 703                 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
 704                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 705
 706                 for (i=0; i < msg->num_elements; i++) {
 707                         msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
 708                         msg->elements[i].num_values = 0;
 709                         msg->elements[i].values = NULL;
 710
 711                         switch (req->mods[i].type) {
 712                         default:
 713                                 result = LDAP_PROTOCOL_ERROR;
 714                                 map_ldb_error(local_ctx,
 715                                         LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
 716                                 errstr = talloc_asprintf(local_ctx,
 717                                         "%s. Invalid LDAP_MODIFY_* type", errstr);
 718                                 goto reply;
 719                         case LDAP_MODIFY_ADD:
 720                                 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
 721                                 break;
 722                         case LDAP_MODIFY_DELETE:
 723                                 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
 724                                 break;
 725                         case LDAP_MODIFY_REPLACE:
 726                                 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 727                                 break;
 728                         }
 729
 730                         msg->elements[i].num_values = req->mods[i].attrib.num_values;
 731                         if (msg->elements[i].num_values > 0) {
 732                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 733                                                                        msg->elements[i].num_values);
 734                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 735
 736                                 for (j=0; j < msg->elements[i].num_values; j++) {
 737                                         msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
 738                                         msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
 739                                 }
 740                         }
 741                 }
 742         }
 743
 744 reply:
 745         modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
 746         NT_STATUS_HAVE_NO_MEMORY(modify_reply);
 747
 748         if (result == LDAP_SUCCESS) {
 749                 res = talloc_zero(local_ctx, struct ldb_result);
 750                 NT_STATUS_HAVE_NO_MEMORY(res);
 751                 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls, res);
 752                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 753                                        &errstr);
 754         }
 755
 756         modify_result = &modify_reply->msg->r.ModifyResponse;
 757         modify_result->dn = NULL;
 758         if ((res != NULL) && (res->refs != NULL)) {
 759                 modify_result->resultcode = map_ldb_error(local_ctx,
 760                                                           LDB_ERR_REFERRAL,
 761                                                           NULL, &errstr);
 762                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 763                 modify_result->referral = talloc_strdup(call, *res->refs);
 764         } else {
 765                 modify_result->resultcode = result;
 766                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 767                 modify_result->referral = NULL;
 768         }
 769         talloc_free(local_ctx);
 770
 771         ldapsrv_queue_reply(call, modify_reply);
 772         return NT_STATUS_OK;
 773
 774 }
 775
 776 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 777 {
 778         struct ldap_AddRequest *req = &call->request->r.AddRequest;
 779         struct ldap_Result *add_result;
 780         struct ldapsrv_reply *add_reply;
 781         TALLOC_CTX *local_ctx;
 782         struct ldb_context *samdb = call->conn->ldb;
 783         struct ldb_message *msg = NULL;
 784         struct ldb_dn *dn;
 785         const char *errstr = NULL;
 786         int result = LDAP_SUCCESS;
 787         int ldb_ret;
 788         unsigned int i,j;
 789         struct ldb_result *res = NULL;
 790
 791         DEBUG(10, ("AddRequest"));
 792         DEBUGADD(10, (" dn: %s\n", req->dn));
 793
 794         local_ctx = talloc_named(call, 0, "AddRequest local memory context");
 795         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 796
 797         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 798         VALID_DN_SYNTAX(dn);
 799
 800         DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
 801
 802         msg = talloc(local_ctx, struct ldb_message);
 803         NT_STATUS_HAVE_NO_MEMORY(msg);
 804
 805         msg->dn = dn;
 806         msg->num_elements = 0;
 807         msg->elements = NULL;
 808
 809         if (req->num_attributes > 0) {
 810                 msg->num_elements = req->num_attributes;
 811                 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
 812                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 813
 814                 for (i=0; i < msg->num_elements; i++) {
 815                         msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
 816                         msg->elements[i].flags = 0;
 817                         msg->elements[i].num_values = 0;
 818                         msg->elements[i].values = NULL;
 819
 820                         if (req->attributes[i].num_values > 0) {
 821                                 msg->elements[i].num_values = req->attributes[i].num_values;
 822                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 823                                                                        msg->elements[i].num_values);
 824                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 825
 826                                 for (j=0; j < msg->elements[i].num_values; j++) {
 827                                         msg->elements[i].values[j].length = req->attributes[i].values[j].length;
 828                                         msg->elements[i].values[j].data = req->attributes[i].values[j].data;
 829                                 }
 830                         }
 831                 }
 832         }
 833
 834 reply:
 835         add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
 836         NT_STATUS_HAVE_NO_MEMORY(add_reply);
 837
 838         if (result == LDAP_SUCCESS) {
 839                 res = talloc_zero(local_ctx, struct ldb_result);
 840                 NT_STATUS_HAVE_NO_MEMORY(res);
 841                 ldb_ret = ldb_add_with_context(samdb, msg, res);
 842                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 843                                        &errstr);
 844         }
 845
 846         add_result = &add_reply->msg->r.AddResponse;
 847         add_result->dn = NULL;
 848         if ((res != NULL) && (res->refs != NULL)) {
 849                 add_result->resultcode =  map_ldb_error(local_ctx,
 850                                                         LDB_ERR_REFERRAL, NULL,
 851                                                         &errstr);
 852                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 853                 add_result->referral = talloc_strdup(call, *res->refs);
 854         } else {
 855                 add_result->resultcode = result;
 856                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 857                 add_result->referral = NULL;
 858         }
 859         talloc_free(local_ctx);
 860
 861         ldapsrv_queue_reply(call, add_reply);
 862         return NT_STATUS_OK;
 863
 864 }
 865
 866 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 867 {
 868         struct ldap_DelRequest *req = &call->request->r.DelRequest;
 869         struct ldap_Result *del_result;
 870         struct ldapsrv_reply *del_reply;
 871         TALLOC_CTX *local_ctx;
 872         struct ldb_context *samdb = call->conn->ldb;
 873         struct ldb_dn *dn;
 874         const char *errstr = NULL;
 875         int result = LDAP_SUCCESS;
 876         int ldb_ret;
 877         struct ldb_result *res = NULL;
 878
 879         DEBUG(10, ("DelRequest"));
 880         DEBUGADD(10, (" dn: %s\n", req->dn));
 881
 882         local_ctx = talloc_named(call, 0, "DelRequest local memory context");
 883         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 884
 885         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 886         VALID_DN_SYNTAX(dn);
 887
 888         DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
 889
 890 reply:
 891         del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
 892         NT_STATUS_HAVE_NO_MEMORY(del_reply);
 893
 894         if (result == LDAP_SUCCESS) {
 895                 res = talloc_zero(local_ctx, struct ldb_result);
 896                 NT_STATUS_HAVE_NO_MEMORY(res);
 897                 ldb_ret = ldb_del_req_with_controls(samdb, dn, call->request->controls, res);
 898                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 899                                        &errstr);
 900         }
 901
 902         del_result = &del_reply->msg->r.DelResponse;
 903         del_result->dn = NULL;
 904         if ((res != NULL) && (res->refs != NULL)) {
 905                 del_result->resultcode = map_ldb_error(local_ctx,
 906                                                        LDB_ERR_REFERRAL, NULL,
 907                                                        &errstr);
 908                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 909                 del_result->referral = talloc_strdup(call, *res->refs);
 910         } else {
 911                 del_result->resultcode = result;
 912                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 913                 del_result->referral = NULL;
 914         }
 915
 916         talloc_free(local_ctx);
 917
 918         ldapsrv_queue_reply(call, del_reply);
 919         return NT_STATUS_OK;
 920 }
 921
 922 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
 923 {
 924         struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
 925         struct ldap_Result *modifydn;
 926         struct ldapsrv_reply *modifydn_r;
 927         TALLOC_CTX *local_ctx;
 928         struct ldb_context *samdb = call->conn->ldb;
 929         struct ldb_dn *olddn, *newdn=NULL, *newrdn;
 930         struct ldb_dn *parentdn = NULL;
 931         const char *errstr = NULL;
 932         int result = LDAP_SUCCESS;
 933         int ldb_ret;
 934         struct ldb_result *res = NULL;
 935
 936         DEBUG(10, ("ModifyDNRequest"));
 937         DEBUGADD(10, (" dn: %s", req->dn));
 938         DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
 939
 940         local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
 941         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 942
 943         olddn = ldb_dn_new(local_ctx, samdb, req->dn);
 944         VALID_DN_SYNTAX(olddn);
 945
 946         newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
 947         VALID_DN_SYNTAX(newrdn);
 948
 949         DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
 950         DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
 951
 952         if (ldb_dn_get_comp_num(newrdn) == 0) {
 953                 result = LDAP_PROTOCOL_ERROR;
 954                 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 955                               &errstr);
 956                 goto reply;
 957         }
 958
 959         if (ldb_dn_get_comp_num(newrdn) > 1) {
 960                 result = LDAP_NAMING_VIOLATION;
 961                 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
 962                               &errstr);
 963                 goto reply;
 964         }
 965
 966         /* we can't handle the rename if we should not remove the old dn */
 967         if (!req->deleteolddn) {
 968                 result = LDAP_UNWILLING_TO_PERFORM;
 969                 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
 970                               &errstr);
 971                 errstr = talloc_asprintf(local_ctx,
 972                         "%s. Old RDN must be deleted", errstr);
 973                 goto reply;
 974         }
 975
 976         if (req->newsuperior) {
 977                 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
 978                 VALID_DN_SYNTAX(parentdn);
 979                 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
 980         }
 981
 982         if (!parentdn) {
 983                 parentdn = ldb_dn_get_parent(local_ctx, olddn);
 984         }
 985         if (!parentdn) {
 986                 result = LDAP_NO_SUCH_OBJECT;
 987                 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
 988                 goto reply;
 989         }
 990
 991         if ( ! ldb_dn_add_child(parentdn, newrdn)) {
 992                 result = LDAP_OTHER;
 993                 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
 994                 goto reply;
 995         }
 996         newdn = parentdn;
 997
 998 reply:
 999         modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1000         NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1001
1002         if (result == LDAP_SUCCESS) {
1003                 res = talloc_zero(local_ctx, struct ldb_result);
1004                 NT_STATUS_HAVE_NO_MEMORY(res);
1005                 ldb_ret = ldb_rename_with_context(samdb, olddn, newdn, res);
1006                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1007                                        &errstr);
1008         }
1009
1010         modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1011         modifydn->dn = NULL;
1012         if ((res != NULL) && (res->refs != NULL)) {
1013                 modifydn->resultcode = map_ldb_error(local_ctx,
1014                                                      LDB_ERR_REFERRAL, NULL,
1015                                                      &errstr);;
1016                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1017                 modifydn->referral = talloc_strdup(call, *res->refs);
1018         } else {
1019                 modifydn->resultcode = result;
1020                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1021                 modifydn->referral = NULL;
1022         }
1023
1024         talloc_free(local_ctx);
1025
1026         ldapsrv_queue_reply(call, modifydn_r);
1027         return NT_STATUS_OK;
1028 }
1029
1030 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1031 {
1032         struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1033         struct ldap_Result *compare;
1034         struct ldapsrv_reply *compare_r;
1035         TALLOC_CTX *local_ctx;
1036         struct ldb_context *samdb = call->conn->ldb;
1037         struct ldb_result *res = NULL;
1038         struct ldb_dn *dn;
1039         const char *attrs[1];
1040         const char *errstr = NULL;
1041         const char *filter = NULL;
1042         int result = LDAP_SUCCESS;
1043         int ldb_ret;
1044
1045         DEBUG(10, ("CompareRequest"));
1046         DEBUGADD(10, (" dn: %s\n", req->dn));
1047
1048         local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1049         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1050
1051         dn = ldb_dn_new(local_ctx, samdb, req->dn);
1052         VALID_DN_SYNTAX(dn);
1053
1054         DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1055         filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1056                                  (int)req->value.length, req->value.data);
1057         NT_STATUS_HAVE_NO_MEMORY(filter);
1058
1059         DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1060
1061         attrs[0] = NULL;
1062
1063 reply:
1064         compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1065         NT_STATUS_HAVE_NO_MEMORY(compare_r);
1066
1067         if (result == LDAP_SUCCESS) {
1068                 ldb_ret = ldb_search(samdb, local_ctx, &res,
1069                                      dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1070                 if (ldb_ret != LDB_SUCCESS) {
1071                         result = map_ldb_error(local_ctx, ldb_ret,
1072                                                ldb_errstring(samdb), &errstr);
1073                         DEBUG(10,("CompareRequest: error: %s\n", errstr));
1074                 } else if (res->count == 0) {
1075                         DEBUG(10,("CompareRequest: doesn't matched\n"));
1076                         result = LDAP_COMPARE_FALSE;
1077                         errstr = NULL;
1078                 } else if (res->count == 1) {
1079                         DEBUG(10,("CompareRequest: matched\n"));
1080                         result = LDAP_COMPARE_TRUE;
1081                         errstr = NULL;
1082                 } else if (res->count > 1) {
1083                         result = LDAP_OTHER;
1084                         map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1085                         errstr = talloc_asprintf(local_ctx,
1086                                 "%s. Too many objects match!", errstr);
1087                         DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1088                 }
1089         }
1090
1091         compare = &compare_r->msg->r.CompareResponse;
1092         compare->dn = NULL;
1093         compare->resultcode = result;
1094         compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1095         compare->referral = NULL;
1096
1097         talloc_free(local_ctx);
1098
1099         ldapsrv_queue_reply(call, compare_r);
1100         return NT_STATUS_OK;
1101 }
1102
1103 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1104 {
1105 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1106         DEBUG(10, ("AbandonRequest\n"));
1107         return NT_STATUS_OK;
1108 }
1109
1110 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1111 {
1112         unsigned int i;
1113         struct ldap_message *msg = call->request;
1114         /* Check for undecoded critical extensions */
1115         for (i=0; msg->controls && msg->controls[i]; i++) {
1116                 if (!msg->controls_decoded[i] &&
1117                     msg->controls[i]->critical) {
1118                         DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1119                                   msg->controls[i]->oid));
1120                         return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1121                 }
1122         }
1123
1124         switch(call->request->type) {
1125         case LDAP_TAG_BindRequest:
1126                 return ldapsrv_BindRequest(call);
1127         case LDAP_TAG_UnbindRequest:
1128                 return ldapsrv_UnbindRequest(call);
1129         case LDAP_TAG_SearchRequest:
1130                 return ldapsrv_SearchRequest(call);
1131         case LDAP_TAG_ModifyRequest:
1132                 return ldapsrv_ModifyRequest(call);
1133         case LDAP_TAG_AddRequest:
1134                 return ldapsrv_AddRequest(call);
1135         case LDAP_TAG_DelRequest:
1136                 return ldapsrv_DelRequest(call);
1137         case LDAP_TAG_ModifyDNRequest:
1138                 return ldapsrv_ModifyDNRequest(call);
1139         case LDAP_TAG_CompareRequest:
1140                 return ldapsrv_CompareRequest(call);
1141         case LDAP_TAG_AbandonRequest:
1142                 return ldapsrv_AbandonRequest(call);
1143         case LDAP_TAG_ExtendedRequest:
1144                 return ldapsrv_ExtendedRequest(call);
1145         default:
1146                 return ldapsrv_unwilling(call, 2);
1147         }
1148 }