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 <ldb_errors.h>
  30 #include <ldb_module.h>
  31 #include "ldb_wrap.h"
  32
  33 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
  34         const char *add_err_string, const char **errstring)
  35 {
  36         WERROR err;
  37
  38         /* Certain LDB modules need to return very special WERROR codes. Proof
  39          * for them here and if they exist skip the rest of the mapping. */
  40         if (add_err_string != NULL) {
  41                 char *endptr;
  42                 strtol(add_err_string, &endptr, 16);
  43                 if (endptr != add_err_string) {
  44                         *errstring = add_err_string;
  45                         return ldb_err;
  46                 }
  47         }
  48
  49         /* Otherwise we calculate here a generic, but appropriate WERROR. */
  50
  51         switch (ldb_err) {
  52         case LDB_SUCCESS:
  53                 err = WERR_OK;
  54         break;
  55         case LDB_ERR_OPERATIONS_ERROR:
  56                 err = WERR_DS_OPERATIONS_ERROR;
  57         break;
  58         case LDB_ERR_PROTOCOL_ERROR:
  59                 err = WERR_DS_PROTOCOL_ERROR;
  60         break;
  61         case LDB_ERR_TIME_LIMIT_EXCEEDED:
  62                 err = WERR_DS_TIMELIMIT_EXCEEDED;
  63         break;
  64         case LDB_ERR_SIZE_LIMIT_EXCEEDED:
  65                 err = WERR_DS_SIZELIMIT_EXCEEDED;
  66         break;
  67         case LDB_ERR_COMPARE_FALSE:
  68                 err = WERR_DS_COMPARE_FALSE;
  69         break;
  70         case LDB_ERR_COMPARE_TRUE:
  71                 err = WERR_DS_COMPARE_TRUE;
  72         break;
  73         case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
  74                 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
  75         break;
  76         case LDB_ERR_STRONG_AUTH_REQUIRED:
  77                 err = WERR_DS_STRONG_AUTH_REQUIRED;
  78         break;
  79         case LDB_ERR_REFERRAL:
  80                 err = WERR_DS_REFERRAL;
  81         break;
  82         case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
  83                 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
  84         break;
  85         case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
  86                 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
  87         break;
  88         case LDB_ERR_CONFIDENTIALITY_REQUIRED:
  89                 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
  90         break;
  91         case LDB_ERR_SASL_BIND_IN_PROGRESS:
  92                 err = WERR_DS_BUSY;
  93         break;
  94         case LDB_ERR_NO_SUCH_ATTRIBUTE:
  95                 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
  96         break;
  97         case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
  98                 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
  99         break;
 100         case LDB_ERR_INAPPROPRIATE_MATCHING:
 101                 err = WERR_DS_INAPPROPRIATE_MATCHING;
 102         break;
 103         case LDB_ERR_CONSTRAINT_VIOLATION:
 104                 err = WERR_DS_CONSTRAINT_VIOLATION;
 105         break;
 106         case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
 107                 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
 108         break;
 109         case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
 110                 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
 111         break;
 112         case LDB_ERR_NO_SUCH_OBJECT:
 113                 err = WERR_DS_NO_SUCH_OBJECT;
 114         break;
 115         case LDB_ERR_ALIAS_PROBLEM:
 116                 err = WERR_DS_ALIAS_PROBLEM;
 117         break;
 118         case LDB_ERR_INVALID_DN_SYNTAX:
 119                 err = WERR_DS_INVALID_DN_SYNTAX;
 120         break;
 121         case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
 122                 err = WERR_DS_ALIAS_DEREF_PROBLEM;
 123         break;
 124         case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
 125                 err = WERR_DS_INAPPROPRIATE_AUTH;
 126         break;
 127         case LDB_ERR_INVALID_CREDENTIALS:
 128                 err = WERR_ACCESS_DENIED;
 129         break;
 130         case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
 131                 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
 132         break;
 133         case LDB_ERR_BUSY:
 134                 err = WERR_DS_BUSY;
 135         break;
 136         case LDB_ERR_UNAVAILABLE:
 137                 err = WERR_DS_UNAVAILABLE;
 138         break;
 139         case LDB_ERR_UNWILLING_TO_PERFORM:
 140                 err = WERR_DS_UNWILLING_TO_PERFORM;
 141         break;
 142         case LDB_ERR_LOOP_DETECT:
 143                 err = WERR_DS_LOOP_DETECT;
 144         break;
 145         case LDB_ERR_NAMING_VIOLATION:
 146                 err = WERR_DS_NAMING_VIOLATION;
 147         break;
 148         case LDB_ERR_OBJECT_CLASS_VIOLATION:
 149                 err = WERR_DS_OBJ_CLASS_VIOLATION;
 150         break;
 151         case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
 152                 err = WERR_DS_CANT_ON_NON_LEAF;
 153         break;
 154         case LDB_ERR_NOT_ALLOWED_ON_RDN:
 155                 err = WERR_DS_CANT_ON_RDN;
 156         break;
 157         case LDB_ERR_ENTRY_ALREADY_EXISTS:
 158                 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
 159         break;
 160         case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
 161                 err = WERR_DS_CANT_MOD_OBJ_CLASS;
 162         break;
 163         case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
 164                 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
 165         break;
 166         default:
 167                 err = WERR_DS_GENERIC_ERROR;
 168         break;
 169         }
 170
 171         *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
 172                 ldb_strerror(ldb_err));
 173         if (add_err_string != NULL) {
 174                 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
 175                                              add_err_string);
 176         }
 177
 178         /* result is 1:1 for now */
 179         return ldb_err;
 180 }
 181
 182 /*
 183   connect to the sam database
 184 */
 185 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
 186 {
 187         conn->ldb = samdb_connect(conn,
 188                                      conn->connection->event.ctx,
 189                                      conn->lp_ctx,
 190                                      conn->session_info,
 191                                      conn->global_catalog ? LDB_FLG_RDONLY : 0);
 192         if (conn->ldb == NULL) {
 193                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 194         }
 195
 196         if (conn->server_credentials) {
 197                 char **sasl_mechs = NULL;
 198                 struct gensec_security_ops **backends = gensec_security_all();
 199                 struct gensec_security_ops **ops
 200                         = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
 201                 unsigned int i, j = 0;
 202                 for (i = 0; ops && ops[i]; i++) {
 203                         if (!lpcfg_parm_bool(conn->lp_ctx,  NULL, "gensec", ops[i]->name, ops[i]->enabled))
 204                                 continue;
 205
 206                         if (ops[i]->sasl_name && ops[i]->server_start) {
 207                                 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
 208
 209                                 if (!sasl_name) {
 210                                         return NT_STATUS_NO_MEMORY;
 211                                 }
 212                                 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
 213                                 if (!sasl_mechs) {
 214                                         return NT_STATUS_NO_MEMORY;
 215                                 }
 216                                 sasl_mechs[j] = sasl_name;
 217                                 talloc_steal(sasl_mechs, sasl_name);
 218                                 sasl_mechs[j+1] = NULL;
 219                                 j++;
 220                         }
 221                 }
 222                 talloc_unlink(conn, ops);
 223
 224                 /* ldb can have a different lifetime to conn, so we
 225                    need to ensure that sasl_mechs lives as long as the
 226                    ldb does */
 227                 talloc_steal(conn->ldb, sasl_mechs);
 228
 229                 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
 230         }
 231
 232         return NT_STATUS_OK;
 233 }
 234
 235 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
 236 {
 237         struct ldapsrv_reply *reply;
 238
 239         reply = talloc(call, struct ldapsrv_reply);
 240         if (!reply) {
 241                 return NULL;
 242         }
 243         reply->msg = talloc(reply, struct ldap_message);
 244         if (reply->msg == NULL) {
 245                 talloc_free(reply);
 246                 return NULL;
 247         }
 248
 249         reply->msg->messageid = call->request->messageid;
 250         reply->msg->type = type;
 251         reply->msg->controls = NULL;
 252
 253         return reply;
 254 }
 255
 256 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
 257 {
 258         DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
 259 }
 260
 261 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 262 {
 263         struct ldapsrv_reply *reply;
 264         struct ldap_ExtendedResponse *r;
 265
 266         DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
 267
 268         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
 269         if (!reply) {
 270                 return NT_STATUS_NO_MEMORY;
 271         }
 272
 273         r = &reply->msg->r.ExtendedResponse;
 274         r->response.resultcode = error;
 275         r->response.dn = NULL;
 276         r->response.errormessage = NULL;
 277         r->response.referral = NULL;
 278         r->oid = NULL;
 279         r->value = NULL;
 280
 281         ldapsrv_queue_reply(call, reply);
 282         return NT_STATUS_OK;
 283 }
 284
 285 static int ldapsrv_add_with_controls(struct ldapsrv_call *call,
 286                                      const struct ldb_message *message,
 287                                      struct ldb_control **controls,
 288                                      void *context)
 289 {
 290         struct ldb_context *ldb = call->conn->ldb;
 291         struct ldb_request *req;
 292         int ret;
 293
 294         ret = ldb_msg_sanity_check(ldb, message);
 295         if (ret != LDB_SUCCESS) {
 296                 return ret;
 297         }
 298
 299         ret = ldb_build_add_req(&req, ldb, ldb,
 300                                         message,
 301                                         controls,
 302                                         context,
 303                                         ldb_modify_default_callback,
 304                                         NULL);
 305
 306         if (ret != LDB_SUCCESS) return ret;
 307
 308         ret = ldb_transaction_start(ldb);
 309         if (ret != LDB_SUCCESS) {
 310                 return ret;
 311         }
 312
 313         if (!call->conn->is_privileged) {
 314                 ldb_req_mark_untrusted(req);
 315         }
 316
 317         LDB_REQ_SET_LOCATION(req);
 318
 319         ret = ldb_request(ldb, req);
 320         if (ret == LDB_SUCCESS) {
 321                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 322         }
 323
 324         if (ret == LDB_SUCCESS) {
 325                 ret = ldb_transaction_commit(ldb);
 326         }
 327         else {
 328                 ldb_transaction_cancel(ldb);
 329         }
 330
 331         talloc_free(req);
 332         return ret;
 333 }
 334
 335 /* create and execute a modify request */
 336 static int ldapsrv_mod_with_controls(struct ldapsrv_call *call,
 337                                      const struct ldb_message *message,
 338                                      struct ldb_control **controls,
 339                                      void *context)
 340 {
 341         struct ldb_context *ldb = call->conn->ldb;
 342         struct ldb_request *req;
 343         int ret;
 344
 345         ret = ldb_msg_sanity_check(ldb, message);
 346         if (ret != LDB_SUCCESS) {
 347                 return ret;
 348         }
 349
 350         ret = ldb_build_mod_req(&req, ldb, ldb,
 351                                         message,
 352                                         controls,
 353                                         context,
 354                                         ldb_modify_default_callback,
 355                                         NULL);
 356
 357         if (ret != LDB_SUCCESS) {
 358                 return ret;
 359         }
 360
 361         ret = ldb_transaction_start(ldb);
 362         if (ret != LDB_SUCCESS) {
 363                 return ret;
 364         }
 365
 366         if (!call->conn->is_privileged) {
 367                 ldb_req_mark_untrusted(req);
 368         }
 369
 370         LDB_REQ_SET_LOCATION(req);
 371
 372         ret = ldb_request(ldb, req);
 373         if (ret == LDB_SUCCESS) {
 374                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 375         }
 376
 377         if (ret == LDB_SUCCESS) {
 378                 ret = ldb_transaction_commit(ldb);
 379         }
 380         else {
 381                 ldb_transaction_cancel(ldb);
 382         }
 383
 384         talloc_free(req);
 385         return ret;
 386 }
 387
 388 /* create and execute a delete request */
 389 static int ldapsrv_del_with_controls(struct ldapsrv_call *call,
 390                                      struct ldb_dn *dn,
 391                                      struct ldb_control **controls,
 392                                      void *context)
 393 {
 394         struct ldb_context *ldb = call->conn->ldb;
 395         struct ldb_request *req;
 396         int ret;
 397
 398         ret = ldb_build_del_req(&req, ldb, ldb,
 399                                         dn,
 400                                         controls,
 401                                         context,
 402                                         ldb_modify_default_callback,
 403                                         NULL);
 404
 405         if (ret != LDB_SUCCESS) return ret;
 406
 407         ret = ldb_transaction_start(ldb);
 408         if (ret != LDB_SUCCESS) {
 409                 return ret;
 410         }
 411
 412         if (!call->conn->is_privileged) {
 413                 ldb_req_mark_untrusted(req);
 414         }
 415
 416         LDB_REQ_SET_LOCATION(req);
 417
 418         ret = ldb_request(ldb, req);
 419         if (ret == LDB_SUCCESS) {
 420                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 421         }
 422
 423         if (ret == LDB_SUCCESS) {
 424                 ret = ldb_transaction_commit(ldb);
 425         }
 426         else {
 427                 ldb_transaction_cancel(ldb);
 428         }
 429
 430         talloc_free(req);
 431         return ret;
 432 }
 433
 434 static int ldapsrv_rename_with_controls(struct ldapsrv_call *call,
 435                                         struct ldb_dn *olddn,
 436                                         struct ldb_dn *newdn,
 437                                         struct ldb_control **controls,
 438                                         void *context)
 439 {
 440         struct ldb_context *ldb = call->conn->ldb;
 441         struct ldb_request *req;
 442         int ret;
 443
 444         ret = ldb_build_rename_req(&req, ldb, ldb,
 445                                         olddn,
 446                                         newdn,
 447                                         NULL,
 448                                         context,
 449                                         ldb_modify_default_callback,
 450                                         NULL);
 451
 452         if (ret != LDB_SUCCESS) return ret;
 453
 454         ret = ldb_transaction_start(ldb);
 455         if (ret != LDB_SUCCESS) {
 456                 return ret;
 457         }
 458
 459         if (!call->conn->is_privileged) {
 460                 ldb_req_mark_untrusted(req);
 461         }
 462
 463         LDB_REQ_SET_LOCATION(req);
 464
 465         ret = ldb_request(ldb, req);
 466         if (ret == LDB_SUCCESS) {
 467                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 468         }
 469
 470         if (ret == LDB_SUCCESS) {
 471                 ret = ldb_transaction_commit(ldb);
 472         }
 473         else {
 474                 ldb_transaction_cancel(ldb);
 475         }
 476
 477         talloc_free(req);
 478         return ret;
 479 }
 480
 481 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 482 {
 483         struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
 484         struct ldap_SearchResEntry *ent;
 485         struct ldap_Result *done;
 486         struct ldapsrv_reply *ent_r, *done_r;
 487         TALLOC_CTX *local_ctx;
 488         struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
 489         struct ldb_dn *basedn;
 490         struct ldb_result *res = NULL;
 491         struct ldb_request *lreq;
 492         struct ldb_control *search_control;
 493         struct ldb_search_options_control *search_options;
 494         struct ldb_control *extended_dn_control;
 495         struct ldb_extended_dn_control *extended_dn_decoded = NULL;
 496         enum ldb_scope scope = LDB_SCOPE_DEFAULT;
 497         const char **attrs = NULL;
 498         const char *scope_str, *errstr = NULL;
 499         int success_limit = 1;
 500         int result = -1;
 501         int ldb_ret = -1;
 502         unsigned int i, j;
 503         int extended_type = 1;
 504
 505         DEBUG(10, ("SearchRequest"));
 506         DEBUGADD(10, (" basedn: %s", req->basedn));
 507         DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
 508
 509         local_ctx = talloc_new(call);
 510         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 511
 512         basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
 513         NT_STATUS_HAVE_NO_MEMORY(basedn);
 514
 515         DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
 516         DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
 517
 518         switch (req->scope) {
 519                 case LDAP_SEARCH_SCOPE_BASE:
 520                         scope_str = "BASE";
 521                         scope = LDB_SCOPE_BASE;
 522                         success_limit = 0;
 523                         break;
 524                 case LDAP_SEARCH_SCOPE_SINGLE:
 525                         scope_str = "ONE";
 526                         scope = LDB_SCOPE_ONELEVEL;
 527                         success_limit = 0;
 528                         break;
 529                 case LDAP_SEARCH_SCOPE_SUB:
 530                         scope_str = "SUB";
 531                         scope = LDB_SCOPE_SUBTREE;
 532                         success_limit = 0;
 533                         break;
 534                 default:
 535                         result = LDAP_PROTOCOL_ERROR;
 536                         map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 537                                 &errstr);
 538                         errstr = talloc_asprintf(local_ctx,
 539                                 "%s. Invalid scope", errstr);
 540                         goto reply;
 541         }
 542         DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
 543
 544         if (req->num_attributes >= 1) {
 545                 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
 546                 NT_STATUS_HAVE_NO_MEMORY(attrs);
 547
 548                 for (i=0; i < req->num_attributes; i++) {
 549                         DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
 550                         attrs[i] = req->attributes[i];
 551                 }
 552                 attrs[i] = NULL;
 553         }
 554
 555         DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
 556                  scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
 557
 558         res = talloc_zero(local_ctx, struct ldb_result);
 559         NT_STATUS_HAVE_NO_MEMORY(res);
 560
 561         ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
 562                                           basedn, scope,
 563                                           req->tree, attrs,
 564                                           call->request->controls,
 565                                           res, ldb_search_default_callback,
 566                                           NULL);
 567
 568         if (ldb_ret != LDB_SUCCESS) {
 569                 goto reply;
 570         }
 571
 572         if (call->conn->global_catalog) {
 573                 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
 574
 575                 search_options = NULL;
 576                 if (search_control) {
 577                         search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
 578                         search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
 579                 } else {
 580                         search_options = talloc(lreq, struct ldb_search_options_control);
 581                         NT_STATUS_HAVE_NO_MEMORY(search_options);
 582                         search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
 583                         ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
 584                 }
 585         }
 586
 587         extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
 588
 589         if (extended_dn_control) {
 590                 if (extended_dn_control->data) {
 591                         extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
 592                         extended_type = extended_dn_decoded->type;
 593                 } else {
 594                         extended_type = 0;
 595                 }
 596         }
 597
 598         ldb_set_timeout(samdb, lreq, req->timelimit);
 599
 600         if (!call->conn->is_privileged) {
 601                 ldb_req_mark_untrusted(lreq);
 602         }
 603
 604         LDB_REQ_SET_LOCATION(lreq);
 605
 606         ldb_ret = ldb_request(samdb, lreq);
 607
 608         if (ldb_ret != LDB_SUCCESS) {
 609                 goto reply;
 610         }
 611
 612         ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
 613
 614         if (ldb_ret == LDB_SUCCESS) {
 615                 for (i = 0; i < res->count; i++) {
 616                         ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
 617                         NT_STATUS_HAVE_NO_MEMORY(ent_r);
 618
 619                         /* Better to have the whole message kept here,
 620                          * than to find someone further up didn't put
 621                          * a value in the right spot in the talloc tree */
 622                         talloc_steal(ent_r, res->msgs[i]);
 623
 624                         ent = &ent_r->msg->r.SearchResultEntry;
 625                         ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
 626                         ent->num_attributes = 0;
 627                         ent->attributes = NULL;
 628                         if (res->msgs[i]->num_elements == 0) {
 629                                 goto queue_reply;
 630                         }
 631                         ent->num_attributes = res->msgs[i]->num_elements;
 632                         ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
 633                         NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
 634                         for (j=0; j < ent->num_attributes; j++) {
 635                                 ent->attributes[j].name = res->msgs[i]->elements[j].name;
 636                                 ent->attributes[j].num_values = 0;
 637                                 ent->attributes[j].values = NULL;
 638                                 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
 639                                         continue;
 640                                 }
 641                                 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
 642                                 ent->attributes[j].values = res->msgs[i]->elements[j].values;
 643                         }
 644 queue_reply:
 645                         ldapsrv_queue_reply(call, ent_r);
 646                 }
 647
 648                 /* Send back referrals if they do exist (search operations) */
 649                 if (res->refs != NULL) {
 650                         char **ref;
 651                         struct ldap_SearchResRef *ent_ref;
 652
 653                         for (ref = res->refs; *ref != NULL; ++ref) {
 654                                 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
 655                                 NT_STATUS_HAVE_NO_MEMORY(ent_r);
 656
 657                                 /* Better to have the whole referrals kept here,
 658                                  * than to find someone further up didn't put
 659                                  * a value in the right spot in the talloc tree
 660                                  */
 661                                 talloc_steal(ent_r, *ref);
 662
 663                                 ent_ref = &ent_r->msg->r.SearchResultReference;
 664                                 ent_ref->referral = *ref;
 665
 666                                 ldapsrv_queue_reply(call, ent_r);
 667                         }
 668                 }
 669         }
 670
 671 reply:
 672         done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
 673         NT_STATUS_HAVE_NO_MEMORY(done_r);
 674
 675         done = &done_r->msg->r.SearchResultDone;
 676         done->dn = NULL;
 677         done->referral = NULL;
 678
 679         if (result != -1) {
 680         } else if (ldb_ret == LDB_SUCCESS) {
 681                 if (res->count >= success_limit) {
 682                         DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
 683                         result = LDAP_SUCCESS;
 684                         errstr = NULL;
 685                 }
 686                 if (res->controls) {
 687                         done_r->msg->controls = res->controls;
 688                         talloc_steal(done_r, res->controls);
 689                 }
 690         } else {
 691                 DEBUG(10,("SearchRequest: error\n"));
 692                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 693                                        &errstr);
 694         }
 695
 696         done->resultcode = result;
 697         done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
 698
 699         talloc_free(local_ctx);
 700
 701         ldapsrv_queue_reply(call, done_r);
 702         return NT_STATUS_OK;
 703 }
 704
 705 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 706 {
 707         struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
 708         struct ldap_Result *modify_result;
 709         struct ldapsrv_reply *modify_reply;
 710         TALLOC_CTX *local_ctx;
 711         struct ldb_context *samdb = call->conn->ldb;
 712         struct ldb_message *msg = NULL;
 713         struct ldb_dn *dn;
 714         const char *errstr = NULL;
 715         int result = LDAP_SUCCESS;
 716         int ldb_ret;
 717         unsigned int i,j;
 718         struct ldb_result *res = NULL;
 719
 720         DEBUG(10, ("ModifyRequest"));
 721         DEBUGADD(10, (" dn: %s\n", req->dn));
 722
 723         local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
 724         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 725
 726         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 727         NT_STATUS_HAVE_NO_MEMORY(dn);
 728
 729         DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
 730
 731         msg = talloc(local_ctx, struct ldb_message);
 732         NT_STATUS_HAVE_NO_MEMORY(msg);
 733
 734         msg->dn = dn;
 735         msg->num_elements = 0;
 736         msg->elements = NULL;
 737
 738         if (req->num_mods > 0) {
 739                 msg->num_elements = req->num_mods;
 740                 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
 741                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 742
 743                 for (i=0; i < msg->num_elements; i++) {
 744                         msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
 745                         msg->elements[i].num_values = 0;
 746                         msg->elements[i].values = NULL;
 747
 748                         switch (req->mods[i].type) {
 749                         default:
 750                                 result = LDAP_PROTOCOL_ERROR;
 751                                 map_ldb_error(local_ctx,
 752                                         LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
 753                                 errstr = talloc_asprintf(local_ctx,
 754                                         "%s. Invalid LDAP_MODIFY_* type", errstr);
 755                                 goto reply;
 756                         case LDAP_MODIFY_ADD:
 757                                 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
 758                                 break;
 759                         case LDAP_MODIFY_DELETE:
 760                                 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
 761                                 break;
 762                         case LDAP_MODIFY_REPLACE:
 763                                 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 764                                 break;
 765                         }
 766
 767                         msg->elements[i].num_values = req->mods[i].attrib.num_values;
 768                         if (msg->elements[i].num_values > 0) {
 769                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 770                                                                        msg->elements[i].num_values);
 771                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 772
 773                                 for (j=0; j < msg->elements[i].num_values; j++) {
 774                                         msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
 775                                         msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
 776                                 }
 777                         }
 778                 }
 779         }
 780
 781 reply:
 782         modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
 783         NT_STATUS_HAVE_NO_MEMORY(modify_reply);
 784
 785         if (result == LDAP_SUCCESS) {
 786                 res = talloc_zero(local_ctx, struct ldb_result);
 787                 NT_STATUS_HAVE_NO_MEMORY(res);
 788                 ldb_ret = ldapsrv_mod_with_controls(call, msg, call->request->controls, res);
 789                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 790                                        &errstr);
 791         }
 792
 793         modify_result = &modify_reply->msg->r.ModifyResponse;
 794         modify_result->dn = NULL;
 795         if ((res != NULL) && (res->refs != NULL)) {
 796                 modify_result->resultcode = map_ldb_error(local_ctx,
 797                                                           LDB_ERR_REFERRAL,
 798                                                           NULL, &errstr);
 799                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 800                 modify_result->referral = talloc_strdup(call, *res->refs);
 801         } else {
 802                 modify_result->resultcode = result;
 803                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 804                 modify_result->referral = NULL;
 805         }
 806         talloc_free(local_ctx);
 807
 808         ldapsrv_queue_reply(call, modify_reply);
 809         return NT_STATUS_OK;
 810
 811 }
 812
 813 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 814 {
 815         struct ldap_AddRequest *req = &call->request->r.AddRequest;
 816         struct ldap_Result *add_result;
 817         struct ldapsrv_reply *add_reply;
 818         TALLOC_CTX *local_ctx;
 819         struct ldb_context *samdb = call->conn->ldb;
 820         struct ldb_message *msg = NULL;
 821         struct ldb_dn *dn;
 822         const char *errstr = NULL;
 823         int result = LDAP_SUCCESS;
 824         int ldb_ret;
 825         unsigned int i,j;
 826         struct ldb_result *res = NULL;
 827
 828         DEBUG(10, ("AddRequest"));
 829         DEBUGADD(10, (" dn: %s\n", req->dn));
 830
 831         local_ctx = talloc_named(call, 0, "AddRequest local memory context");
 832         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 833
 834         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 835         NT_STATUS_HAVE_NO_MEMORY(dn);
 836
 837         DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
 838
 839         msg = talloc(local_ctx, struct ldb_message);
 840         NT_STATUS_HAVE_NO_MEMORY(msg);
 841
 842         msg->dn = dn;
 843         msg->num_elements = 0;
 844         msg->elements = NULL;
 845
 846         if (req->num_attributes > 0) {
 847                 msg->num_elements = req->num_attributes;
 848                 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
 849                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 850
 851                 for (i=0; i < msg->num_elements; i++) {
 852                         msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
 853                         msg->elements[i].flags = 0;
 854                         msg->elements[i].num_values = 0;
 855                         msg->elements[i].values = NULL;
 856
 857                         if (req->attributes[i].num_values > 0) {
 858                                 msg->elements[i].num_values = req->attributes[i].num_values;
 859                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 860                                                                        msg->elements[i].num_values);
 861                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 862
 863                                 for (j=0; j < msg->elements[i].num_values; j++) {
 864                                         msg->elements[i].values[j].length = req->attributes[i].values[j].length;
 865                                         msg->elements[i].values[j].data = req->attributes[i].values[j].data;
 866                                 }
 867                         }
 868                 }
 869         }
 870
 871         add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
 872         NT_STATUS_HAVE_NO_MEMORY(add_reply);
 873
 874         if (result == LDAP_SUCCESS) {
 875                 res = talloc_zero(local_ctx, struct ldb_result);
 876                 NT_STATUS_HAVE_NO_MEMORY(res);
 877                 ldb_ret = ldapsrv_add_with_controls(call, msg, call->request->controls, res);
 878                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 879                                        &errstr);
 880         }
 881
 882         add_result = &add_reply->msg->r.AddResponse;
 883         add_result->dn = NULL;
 884         if ((res != NULL) && (res->refs != NULL)) {
 885                 add_result->resultcode =  map_ldb_error(local_ctx,
 886                                                         LDB_ERR_REFERRAL, NULL,
 887                                                         &errstr);
 888                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 889                 add_result->referral = talloc_strdup(call, *res->refs);
 890         } else {
 891                 add_result->resultcode = result;
 892                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 893                 add_result->referral = NULL;
 894         }
 895         talloc_free(local_ctx);
 896
 897         ldapsrv_queue_reply(call, add_reply);
 898         return NT_STATUS_OK;
 899
 900 }
 901
 902 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 903 {
 904         struct ldap_DelRequest *req = &call->request->r.DelRequest;
 905         struct ldap_Result *del_result;
 906         struct ldapsrv_reply *del_reply;
 907         TALLOC_CTX *local_ctx;
 908         struct ldb_context *samdb = call->conn->ldb;
 909         struct ldb_dn *dn;
 910         const char *errstr = NULL;
 911         int result = LDAP_SUCCESS;
 912         int ldb_ret;
 913         struct ldb_result *res = NULL;
 914
 915         DEBUG(10, ("DelRequest"));
 916         DEBUGADD(10, (" dn: %s\n", req->dn));
 917
 918         local_ctx = talloc_named(call, 0, "DelRequest local memory context");
 919         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 920
 921         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 922         NT_STATUS_HAVE_NO_MEMORY(dn);
 923
 924         DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
 925
 926         del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
 927         NT_STATUS_HAVE_NO_MEMORY(del_reply);
 928
 929         if (result == LDAP_SUCCESS) {
 930                 res = talloc_zero(local_ctx, struct ldb_result);
 931                 NT_STATUS_HAVE_NO_MEMORY(res);
 932                 ldb_ret = ldapsrv_del_with_controls(call, dn, call->request->controls, res);
 933                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 934                                        &errstr);
 935         }
 936
 937         del_result = &del_reply->msg->r.DelResponse;
 938         del_result->dn = NULL;
 939         if ((res != NULL) && (res->refs != NULL)) {
 940                 del_result->resultcode = map_ldb_error(local_ctx,
 941                                                        LDB_ERR_REFERRAL, NULL,
 942                                                        &errstr);
 943                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 944                 del_result->referral = talloc_strdup(call, *res->refs);
 945         } else {
 946                 del_result->resultcode = result;
 947                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 948                 del_result->referral = NULL;
 949         }
 950
 951         talloc_free(local_ctx);
 952
 953         ldapsrv_queue_reply(call, del_reply);
 954         return NT_STATUS_OK;
 955 }
 956
 957 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
 958 {
 959         struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
 960         struct ldap_Result *modifydn;
 961         struct ldapsrv_reply *modifydn_r;
 962         TALLOC_CTX *local_ctx;
 963         struct ldb_context *samdb = call->conn->ldb;
 964         struct ldb_dn *olddn, *newdn=NULL, *newrdn;
 965         struct ldb_dn *parentdn = NULL;
 966         const char *errstr = NULL;
 967         int result = LDAP_SUCCESS;
 968         int ldb_ret;
 969         struct ldb_result *res = NULL;
 970
 971         DEBUG(10, ("ModifyDNRequest"));
 972         DEBUGADD(10, (" dn: %s", req->dn));
 973         DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
 974
 975         local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
 976         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 977
 978         olddn = ldb_dn_new(local_ctx, samdb, req->dn);
 979         NT_STATUS_HAVE_NO_MEMORY(olddn);
 980
 981         newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
 982         NT_STATUS_HAVE_NO_MEMORY(newrdn);
 983
 984         DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
 985         DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
 986
 987         if (ldb_dn_get_comp_num(newrdn) == 0) {
 988                 result = LDAP_PROTOCOL_ERROR;
 989                 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 990                               &errstr);
 991                 goto reply;
 992         }
 993
 994         if (ldb_dn_get_comp_num(newrdn) > 1) {
 995                 result = LDAP_NAMING_VIOLATION;
 996                 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
 997                               &errstr);
 998                 goto reply;
 999         }
1000
1001         /* we can't handle the rename if we should not remove the old dn */
1002         if (!req->deleteolddn) {
1003                 result = LDAP_UNWILLING_TO_PERFORM;
1004                 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
1005                               &errstr);
1006                 errstr = talloc_asprintf(local_ctx,
1007                         "%s. Old RDN must be deleted", errstr);
1008                 goto reply;
1009         }
1010
1011         if (req->newsuperior) {
1012                 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1013                 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1014         }
1015
1016         if (!parentdn) {
1017                 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1018         }
1019         if (!parentdn) {
1020                 result = LDAP_NO_SUCH_OBJECT;
1021                 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1022                 goto reply;
1023         }
1024
1025         if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1026                 result = LDAP_OTHER;
1027                 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1028                 goto reply;
1029         }
1030         newdn = parentdn;
1031
1032 reply:
1033         modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1034         NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1035
1036         if (result == LDAP_SUCCESS) {
1037                 res = talloc_zero(local_ctx, struct ldb_result);
1038                 NT_STATUS_HAVE_NO_MEMORY(res);
1039                 ldb_ret = ldapsrv_rename_with_controls(call, olddn, newdn, call->request->controls, res);
1040                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1041                                        &errstr);
1042         }
1043
1044         modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1045         modifydn->dn = NULL;
1046         if ((res != NULL) && (res->refs != NULL)) {
1047                 modifydn->resultcode = map_ldb_error(local_ctx,
1048                                                      LDB_ERR_REFERRAL, NULL,
1049                                                      &errstr);;
1050                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1051                 modifydn->referral = talloc_strdup(call, *res->refs);
1052         } else {
1053                 modifydn->resultcode = result;
1054                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1055                 modifydn->referral = NULL;
1056         }
1057
1058         talloc_free(local_ctx);
1059
1060         ldapsrv_queue_reply(call, modifydn_r);
1061         return NT_STATUS_OK;
1062 }
1063
1064 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1065 {
1066         struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1067         struct ldap_Result *compare;
1068         struct ldapsrv_reply *compare_r;
1069         TALLOC_CTX *local_ctx;
1070         struct ldb_context *samdb = call->conn->ldb;
1071         struct ldb_result *res = NULL;
1072         struct ldb_dn *dn;
1073         const char *attrs[1];
1074         const char *errstr = NULL;
1075         const char *filter = NULL;
1076         int result = LDAP_SUCCESS;
1077         int ldb_ret;
1078
1079         DEBUG(10, ("CompareRequest"));
1080         DEBUGADD(10, (" dn: %s\n", req->dn));
1081
1082         local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1083         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1084
1085         dn = ldb_dn_new(local_ctx, samdb, req->dn);
1086         NT_STATUS_HAVE_NO_MEMORY(dn);
1087
1088         DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1089         filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1090                                  (int)req->value.length, req->value.data);
1091         NT_STATUS_HAVE_NO_MEMORY(filter);
1092
1093         DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1094
1095         attrs[0] = NULL;
1096
1097         compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1098         NT_STATUS_HAVE_NO_MEMORY(compare_r);
1099
1100         if (result == LDAP_SUCCESS) {
1101                 ldb_ret = ldb_search(samdb, local_ctx, &res,
1102                                      dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1103                 if (ldb_ret != LDB_SUCCESS) {
1104                         result = map_ldb_error(local_ctx, ldb_ret,
1105                                                ldb_errstring(samdb), &errstr);
1106                         DEBUG(10,("CompareRequest: error: %s\n", errstr));
1107                 } else if (res->count == 0) {
1108                         DEBUG(10,("CompareRequest: doesn't matched\n"));
1109                         result = LDAP_COMPARE_FALSE;
1110                         errstr = NULL;
1111                 } else if (res->count == 1) {
1112                         DEBUG(10,("CompareRequest: matched\n"));
1113                         result = LDAP_COMPARE_TRUE;
1114                         errstr = NULL;
1115                 } else if (res->count > 1) {
1116                         result = LDAP_OTHER;
1117                         map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1118                         errstr = talloc_asprintf(local_ctx,
1119                                 "%s. Too many objects match!", errstr);
1120                         DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1121                 }
1122         }
1123
1124         compare = &compare_r->msg->r.CompareResponse;
1125         compare->dn = NULL;
1126         compare->resultcode = result;
1127         compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1128         compare->referral = NULL;
1129
1130         talloc_free(local_ctx);
1131
1132         ldapsrv_queue_reply(call, compare_r);
1133         return NT_STATUS_OK;
1134 }
1135
1136 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1137 {
1138 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1139         DEBUG(10, ("AbandonRequest\n"));
1140         return NT_STATUS_OK;
1141 }
1142
1143 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1144 {
1145         unsigned int i;
1146         struct ldap_message *msg = call->request;
1147         /* Check for undecoded critical extensions */
1148         for (i=0; msg->controls && msg->controls[i]; i++) {
1149                 if (!msg->controls_decoded[i] &&
1150                     msg->controls[i]->critical) {
1151                         DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1152                                   msg->controls[i]->oid));
1153                         return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1154                 }
1155         }
1156
1157         switch(call->request->type) {
1158         case LDAP_TAG_BindRequest:
1159                 return ldapsrv_BindRequest(call);
1160         case LDAP_TAG_UnbindRequest:
1161                 return ldapsrv_UnbindRequest(call);
1162         case LDAP_TAG_SearchRequest:
1163                 return ldapsrv_SearchRequest(call);
1164         case LDAP_TAG_ModifyRequest:
1165                 return ldapsrv_ModifyRequest(call);
1166         case LDAP_TAG_AddRequest:
1167                 return ldapsrv_AddRequest(call);
1168         case LDAP_TAG_DelRequest:
1169                 return ldapsrv_DelRequest(call);
1170         case LDAP_TAG_ModifyDNRequest:
1171                 return ldapsrv_ModifyDNRequest(call);
1172         case LDAP_TAG_CompareRequest:
1173                 return ldapsrv_CompareRequest(call);
1174         case LDAP_TAG_AbandonRequest:
1175                 return ldapsrv_AbandonRequest(call);
1176         case LDAP_TAG_ExtendedRequest:
1177                 return ldapsrv_ExtendedRequest(call);
1178         default:
1179                 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);
1180         }
1181 }