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 "lib/ldb/include/ldb_module.h"
  31 #include "ldb_wrap.h"
  32
  33 #define VALID_DN_SYNTAX(dn) do {\
  34         if (!(dn)) {\
  35                 return NT_STATUS_NO_MEMORY;\
  36         } else if ( ! ldb_dn_validate(dn)) {\
  37                 result = LDAP_INVALID_DN_SYNTAX;\
  38                 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,\
  39                               &errstr);\
  40                 goto reply;\
  41         }\
  42 } while(0)
  43
  44 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
  45         const char *add_err_string, const char **errstring)
  46 {
  47         WERROR err;
  48
  49         /* Certain LDB modules need to return very special WERROR codes. Proof
  50          * for them here and if they exist skip the rest of the mapping. */
  51         if (add_err_string != NULL) {
  52                 char *endptr;
  53                 strtol(add_err_string, &endptr, 16);
  54                 if (endptr != add_err_string) {
  55                         *errstring = add_err_string;
  56                         return ldb_err;
  57                 }
  58         }
  59
  60         /* Otherwise we calculate here a generic, but appropriate WERROR. */
  61
  62         switch (ldb_err) {
  63         case LDB_SUCCESS:
  64                 err = WERR_OK;
  65         break;
  66         case LDB_ERR_OPERATIONS_ERROR:
  67                 err = WERR_DS_OPERATIONS_ERROR;
  68         break;
  69         case LDB_ERR_PROTOCOL_ERROR:
  70                 err = WERR_DS_PROTOCOL_ERROR;
  71         break;
  72         case LDB_ERR_TIME_LIMIT_EXCEEDED:
  73                 err = WERR_DS_TIMELIMIT_EXCEEDED;
  74         break;
  75         case LDB_ERR_SIZE_LIMIT_EXCEEDED:
  76                 err = WERR_DS_SIZELIMIT_EXCEEDED;
  77         break;
  78         case LDB_ERR_COMPARE_FALSE:
  79                 err = WERR_DS_COMPARE_FALSE;
  80         break;
  81         case LDB_ERR_COMPARE_TRUE:
  82                 err = WERR_DS_COMPARE_TRUE;
  83         break;
  84         case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
  85                 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
  86         break;
  87         case LDB_ERR_STRONG_AUTH_REQUIRED:
  88                 err = WERR_DS_STRONG_AUTH_REQUIRED;
  89         break;
  90         case LDB_ERR_REFERRAL:
  91                 err = WERR_DS_REFERRAL;
  92         break;
  93         case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
  94                 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
  95         break;
  96         case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
  97                 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
  98         break;
  99         case LDB_ERR_CONFIDENTIALITY_REQUIRED:
 100                 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
 101         break;
 102         case LDB_ERR_SASL_BIND_IN_PROGRESS:
 103                 err = WERR_DS_BUSY;
 104         break;
 105         case LDB_ERR_NO_SUCH_ATTRIBUTE:
 106                 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
 107         break;
 108         case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
 109                 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
 110         break;
 111         case LDB_ERR_INAPPROPRIATE_MATCHING:
 112                 err = WERR_DS_INAPPROPRIATE_MATCHING;
 113         break;
 114         case LDB_ERR_CONSTRAINT_VIOLATION:
 115                 err = WERR_DS_CONSTRAINT_VIOLATION;
 116         break;
 117         case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
 118                 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
 119         break;
 120         case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
 121                 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
 122         break;
 123         case LDB_ERR_NO_SUCH_OBJECT:
 124                 err = WERR_DS_NO_SUCH_OBJECT;
 125         break;
 126         case LDB_ERR_ALIAS_PROBLEM:
 127                 err = WERR_DS_ALIAS_PROBLEM;
 128         break;
 129         case LDB_ERR_INVALID_DN_SYNTAX:
 130                 err = WERR_DS_INVALID_DN_SYNTAX;
 131         break;
 132         case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
 133                 err = WERR_DS_ALIAS_DEREF_PROBLEM;
 134         break;
 135         case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
 136                 err = WERR_DS_INAPPROPRIATE_AUTH;
 137         break;
 138         case LDB_ERR_INVALID_CREDENTIALS:
 139                 err = WERR_ACCESS_DENIED;
 140         break;
 141         case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
 142                 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
 143         break;
 144         case LDB_ERR_BUSY:
 145                 err = WERR_DS_BUSY;
 146         break;
 147         case LDB_ERR_UNAVAILABLE:
 148                 err = WERR_DS_UNAVAILABLE;
 149         break;
 150         case LDB_ERR_UNWILLING_TO_PERFORM:
 151                 err = WERR_DS_UNWILLING_TO_PERFORM;
 152         break;
 153         case LDB_ERR_LOOP_DETECT:
 154                 err = WERR_DS_LOOP_DETECT;
 155         break;
 156         case LDB_ERR_NAMING_VIOLATION:
 157                 err = WERR_DS_NAMING_VIOLATION;
 158         break;
 159         case LDB_ERR_OBJECT_CLASS_VIOLATION:
 160                 err = WERR_DS_OBJ_CLASS_VIOLATION;
 161         break;
 162         case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
 163                 err = WERR_DS_CANT_ON_NON_LEAF;
 164         break;
 165         case LDB_ERR_NOT_ALLOWED_ON_RDN:
 166                 err = WERR_DS_CANT_ON_RDN;
 167         break;
 168         case LDB_ERR_ENTRY_ALREADY_EXISTS:
 169                 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
 170         break;
 171         case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
 172                 err = WERR_DS_CANT_MOD_OBJ_CLASS;
 173         break;
 174         case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
 175                 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
 176         break;
 177         default:
 178                 err = WERR_DS_GENERIC_ERROR;
 179         break;
 180         }
 181
 182         *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
 183                 ldb_strerror(ldb_err));
 184         if (add_err_string != NULL) {
 185                 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
 186                                              add_err_string);
 187         }
 188
 189         /* result is 1:1 for now */
 190         return ldb_err;
 191 }
 192
 193 /*
 194   connect to the sam database
 195 */
 196 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
 197 {
 198         conn->ldb = samdb_connect(conn,
 199                                      conn->connection->event.ctx,
 200                                      conn->lp_ctx,
 201                                      conn->session_info,
 202                                      conn->global_catalog ? LDB_FLG_RDONLY : 0);
 203         if (conn->ldb == NULL) {
 204                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 205         }
 206
 207         if (conn->server_credentials) {
 208                 char **sasl_mechs = NULL;
 209                 struct gensec_security_ops **backends = gensec_security_all();
 210                 struct gensec_security_ops **ops
 211                         = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
 212                 unsigned int i, j = 0;
 213                 for (i = 0; ops && ops[i]; i++) {
 214                         if (!lpcfg_parm_bool(conn->lp_ctx,  NULL, "gensec", ops[i]->name, ops[i]->enabled))
 215                                 continue;
 216
 217                         if (ops[i]->sasl_name && ops[i]->server_start) {
 218                                 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
 219
 220                                 if (!sasl_name) {
 221                                         return NT_STATUS_NO_MEMORY;
 222                                 }
 223                                 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
 224                                 if (!sasl_mechs) {
 225                                         return NT_STATUS_NO_MEMORY;
 226                                 }
 227                                 sasl_mechs[j] = sasl_name;
 228                                 talloc_steal(sasl_mechs, sasl_name);
 229                                 sasl_mechs[j+1] = NULL;
 230                                 j++;
 231                         }
 232                 }
 233                 talloc_unlink(conn, ops);
 234
 235                 /* ldb can have a different lifetime to conn, so we
 236                    need to ensure that sasl_mechs lives as long as the
 237                    ldb does */
 238                 talloc_steal(conn->ldb, sasl_mechs);
 239
 240                 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
 241         }
 242
 243         return NT_STATUS_OK;
 244 }
 245
 246 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
 247 {
 248         struct ldapsrv_reply *reply;
 249
 250         reply = talloc(call, struct ldapsrv_reply);
 251         if (!reply) {
 252                 return NULL;
 253         }
 254         reply->msg = talloc(reply, struct ldap_message);
 255         if (reply->msg == NULL) {
 256                 talloc_free(reply);
 257                 return NULL;
 258         }
 259
 260         reply->msg->messageid = call->request->messageid;
 261         reply->msg->type = type;
 262         reply->msg->controls = NULL;
 263
 264         return reply;
 265 }
 266
 267 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
 268 {
 269         DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
 270 }
 271
 272 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 273 {
 274         struct ldapsrv_reply *reply;
 275         struct ldap_ExtendedResponse *r;
 276
 277         DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
 278
 279         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
 280         if (!reply) {
 281                 return NT_STATUS_NO_MEMORY;
 282         }
 283
 284         r = &reply->msg->r.ExtendedResponse;
 285         r->response.resultcode = error;
 286         r->response.dn = NULL;
 287         r->response.errormessage = NULL;
 288         r->response.referral = NULL;
 289         r->oid = NULL;
 290         r->value = NULL;
 291
 292         ldapsrv_queue_reply(call, reply);
 293         return NT_STATUS_OK;
 294 }
 295
 296 static int ldb_add_with_controls(struct ldb_context *ldb,
 297                                  const struct ldb_message *message,
 298                                  struct ldb_control **controls,
 299                                  void *context)
 300 {
 301         struct ldb_request *req;
 302         int ret;
 303
 304         ret = ldb_msg_sanity_check(ldb, message);
 305         if (ret != LDB_SUCCESS) {
 306                 return ret;
 307         }
 308
 309         ret = ldb_build_add_req(&req, ldb, ldb,
 310                                         message,
 311                                         controls,
 312                                         context,
 313                                         ldb_modify_default_callback,
 314                                         NULL);
 315
 316         if (ret != LDB_SUCCESS) return ret;
 317
 318         ret = ldb_transaction_start(ldb);
 319         if (ret != LDB_SUCCESS) {
 320                 return ret;
 321         }
 322
 323         ldb_req_mark_untrusted(req);
 324
 325         LDB_REQ_SET_LOCATION(req);
 326
 327         ret = ldb_request(ldb, req);
 328         if (ret == LDB_SUCCESS) {
 329                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 330         }
 331
 332         if (ret == LDB_SUCCESS) {
 333                 ret = ldb_transaction_commit(ldb);
 334         }
 335         else {
 336                 ldb_transaction_cancel(ldb);
 337         }
 338
 339         talloc_free(req);
 340         return ret;
 341 }
 342
 343 /* create and execute a modify request */
 344 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
 345                                      const struct ldb_message *message,
 346                                      struct ldb_control **controls,
 347                                      void *context)
 348 {
 349         struct ldb_request *req;
 350         int ret;
 351
 352         ret = ldb_msg_sanity_check(ldb, message);
 353         if (ret != LDB_SUCCESS) {
 354                 return ret;
 355         }
 356
 357         ret = ldb_build_mod_req(&req, ldb, ldb,
 358                                         message,
 359                                         controls,
 360                                         context,
 361                                         ldb_modify_default_callback,
 362                                         NULL);
 363
 364         if (ret != LDB_SUCCESS) {
 365                 return ret;
 366         }
 367
 368         ret = ldb_transaction_start(ldb);
 369         if (ret != LDB_SUCCESS) {
 370                 return ret;
 371         }
 372
 373         ldb_req_mark_untrusted(req);
 374
 375         LDB_REQ_SET_LOCATION(req);
 376
 377         ret = ldb_request(ldb, req);
 378         if (ret == LDB_SUCCESS) {
 379                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 380         }
 381
 382         if (ret == LDB_SUCCESS) {
 383                 ret = ldb_transaction_commit(ldb);
 384         }
 385         else {
 386                 ldb_transaction_cancel(ldb);
 387         }
 388
 389         talloc_free(req);
 390         return ret;
 391 }
 392
 393 /* create and execute a delete request */
 394 static int ldb_del_req_with_controls(struct ldb_context *ldb,
 395                                      struct ldb_dn *dn,
 396                                      struct ldb_control **controls,
 397                                      void *context)
 398 {
 399         struct ldb_request *req;
 400         int ret;
 401
 402         ret = ldb_build_del_req(&req, ldb, ldb,
 403                                         dn,
 404                                         controls,
 405                                         context,
 406                                         ldb_modify_default_callback,
 407                                         NULL);
 408
 409         if (ret != LDB_SUCCESS) return ret;
 410
 411         ret = ldb_transaction_start(ldb);
 412         if (ret != LDB_SUCCESS) {
 413                 return ret;
 414         }
 415
 416         ldb_req_mark_untrusted(req);
 417
 418         LDB_REQ_SET_LOCATION(req);
 419
 420         ret = ldb_request(ldb, req);
 421         if (ret == LDB_SUCCESS) {
 422                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 423         }
 424
 425         if (ret == LDB_SUCCESS) {
 426                 ret = ldb_transaction_commit(ldb);
 427         }
 428         else {
 429                 ldb_transaction_cancel(ldb);
 430         }
 431
 432         talloc_free(req);
 433         return ret;
 434 }
 435
 436 int ldb_rename_with_controls(struct ldb_context *ldb,
 437                              struct ldb_dn *olddn,
 438                              struct ldb_dn *newdn,
 439                              struct ldb_control **controls,
 440                              void *context)
 441 {
 442         struct ldb_request *req;
 443         int ret;
 444
 445         ret = ldb_build_rename_req(&req, ldb, ldb,
 446                                         olddn,
 447                                         newdn,
 448                                         NULL,
 449                                         context,
 450                                         ldb_modify_default_callback,
 451                                         NULL);
 452
 453         if (ret != LDB_SUCCESS) return ret;
 454
 455         ret = ldb_transaction_start(ldb);
 456         if (ret != LDB_SUCCESS) {
 457                 return ret;
 458         }
 459
 460         ldb_req_mark_untrusted(req);
 461
 462         LDB_REQ_SET_LOCATION(req);
 463
 464         ret = ldb_request(ldb, req);
 465         if (ret == LDB_SUCCESS) {
 466                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 467         }
 468
 469         if (ret == LDB_SUCCESS) {
 470                 ret = ldb_transaction_commit(ldb);
 471         }
 472         else {
 473                 ldb_transaction_cancel(ldb);
 474         }
 475
 476         talloc_free(req);
 477         return ret;
 478 }
 479
 480 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 481 {
 482         struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
 483         struct ldap_SearchResEntry *ent;
 484         struct ldap_Result *done;
 485         struct ldapsrv_reply *ent_r, *done_r;
 486         TALLOC_CTX *local_ctx;
 487         struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
 488         struct ldb_dn *basedn;
 489         struct ldb_result *res = NULL;
 490         struct ldb_request *lreq;
 491         struct ldb_control *search_control;
 492         struct ldb_search_options_control *search_options;
 493         struct ldb_control *extended_dn_control;
 494         struct ldb_extended_dn_control *extended_dn_decoded = NULL;
 495         enum ldb_scope scope = LDB_SCOPE_DEFAULT;
 496         const char **attrs = NULL;
 497         const char *scope_str, *errstr = NULL;
 498         int success_limit = 1;
 499         int result = -1;
 500         int ldb_ret = -1;
 501         unsigned int i, j;
 502         int extended_type = 1;
 503
 504         DEBUG(10, ("SearchRequest"));
 505         DEBUGADD(10, (" basedn: %s", req->basedn));
 506         DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
 507
 508         local_ctx = talloc_new(call);
 509         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 510
 511         basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
 512         VALID_DN_SYNTAX(basedn);
 513
 514         DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
 515         DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
 516
 517         switch (req->scope) {
 518                 case LDAP_SEARCH_SCOPE_BASE:
 519                         scope_str = "BASE";
 520                         scope = LDB_SCOPE_BASE;
 521                         success_limit = 0;
 522                         break;
 523                 case LDAP_SEARCH_SCOPE_SINGLE:
 524                         scope_str = "ONE";
 525                         scope = LDB_SCOPE_ONELEVEL;
 526                         success_limit = 0;
 527                         break;
 528                 case LDAP_SEARCH_SCOPE_SUB:
 529                         scope_str = "SUB";
 530                         scope = LDB_SCOPE_SUBTREE;
 531                         success_limit = 0;
 532                         break;
 533                 default:
 534                         result = LDAP_PROTOCOL_ERROR;
 535                         map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 536                                 &errstr);
 537                         errstr = talloc_asprintf(local_ctx,
 538                                 "%s. Invalid scope", errstr);
 539                         goto reply;
 540         }
 541         DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
 542
 543         if (req->num_attributes >= 1) {
 544                 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
 545                 NT_STATUS_HAVE_NO_MEMORY(attrs);
 546
 547                 for (i=0; i < req->num_attributes; i++) {
 548                         DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
 549                         attrs[i] = req->attributes[i];
 550                 }
 551                 attrs[i] = NULL;
 552         }
 553
 554         DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
 555                  scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
 556
 557         res = talloc_zero(local_ctx, struct ldb_result);
 558         NT_STATUS_HAVE_NO_MEMORY(res);
 559
 560         ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
 561                                           basedn, scope,
 562                                           req->tree, attrs,
 563                                           call->request->controls,
 564                                           res, ldb_search_default_callback,
 565                                           NULL);
 566
 567         if (ldb_ret != LDB_SUCCESS) {
 568                 goto reply;
 569         }
 570
 571         if (call->conn->global_catalog) {
 572                 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
 573
 574                 search_options = NULL;
 575                 if (search_control) {
 576                         search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
 577                         search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
 578                 } else {
 579                         search_options = talloc(lreq, struct ldb_search_options_control);
 580                         NT_STATUS_HAVE_NO_MEMORY(search_options);
 581                         search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
 582                         ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
 583                 }
 584         }
 585
 586         extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
 587
 588         if (extended_dn_control) {
 589                 if (extended_dn_control->data) {
 590                         extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
 591                         extended_type = extended_dn_decoded->type;
 592                 } else {
 593                         extended_type = 0;
 594                 }
 595         }
 596
 597         ldb_request_add_control(lreq, DSDB_CONTROL_SEARCH_APPLY_ACCESS, false, NULL);
 598         ldb_set_timeout(samdb, lreq, req->timelimit);
 599
 600         ldb_req_mark_untrusted(lreq);
 601
 602         LDB_REQ_SET_LOCATION(lreq);
 603
 604         ldb_ret = ldb_request(samdb, lreq);
 605
 606         if (ldb_ret != LDB_SUCCESS) {
 607                 goto reply;
 608         }
 609
 610         ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
 611
 612         if (ldb_ret == LDB_SUCCESS) {
 613                 for (i = 0; i < res->count; i++) {
 614                         ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
 615                         NT_STATUS_HAVE_NO_MEMORY(ent_r);
 616
 617                         /* Better to have the whole message kept here,
 618                          * than to find someone further up didn't put
 619                          * a value in the right spot in the talloc tree */
 620                         talloc_steal(ent_r, res->msgs[i]);
 621
 622                         ent = &ent_r->msg->r.SearchResultEntry;
 623                         ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
 624                         ent->num_attributes = 0;
 625                         ent->attributes = NULL;
 626                         if (res->msgs[i]->num_elements == 0) {
 627                                 goto queue_reply;
 628                         }
 629                         ent->num_attributes = res->msgs[i]->num_elements;
 630                         ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
 631                         NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
 632                         for (j=0; j < ent->num_attributes; j++) {
 633                                 ent->attributes[j].name = res->msgs[i]->elements[j].name;
 634                                 ent->attributes[j].num_values = 0;
 635                                 ent->attributes[j].values = NULL;
 636                                 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
 637                                         continue;
 638                                 }
 639                                 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
 640                                 ent->attributes[j].values = res->msgs[i]->elements[j].values;
 641                         }
 642 queue_reply:
 643                         ldapsrv_queue_reply(call, ent_r);
 644                 }
 645
 646                 /* Send back referrals if they do exist (search operations) */
 647                 if (res->refs != NULL) {
 648                         char **ref;
 649                         struct ldap_SearchResRef *ent_ref;
 650
 651                         for (ref = res->refs; *ref != NULL; ++ref) {
 652                                 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
 653                                 NT_STATUS_HAVE_NO_MEMORY(ent_r);
 654
 655                                 /* Better to have the whole referrals kept here,
 656                                  * than to find someone further up didn't put
 657                                  * a value in the right spot in the talloc tree
 658                                  */
 659                                 talloc_steal(ent_r, *ref);
 660
 661                                 ent_ref = &ent_r->msg->r.SearchResultReference;
 662                                 ent_ref->referral = *ref;
 663
 664                                 ldapsrv_queue_reply(call, ent_r);
 665                         }
 666                 }
 667         }
 668
 669 reply:
 670         done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
 671         NT_STATUS_HAVE_NO_MEMORY(done_r);
 672
 673         done = &done_r->msg->r.SearchResultDone;
 674         done->dn = NULL;
 675         done->referral = NULL;
 676
 677         if (result != -1) {
 678         } else if (ldb_ret == LDB_SUCCESS) {
 679                 if (res->count >= success_limit) {
 680                         DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
 681                         result = LDAP_SUCCESS;
 682                         errstr = NULL;
 683                 }
 684                 if (res->controls) {
 685                         done_r->msg->controls = res->controls;
 686                         talloc_steal(done_r, res->controls);
 687                 }
 688         } else {
 689                 DEBUG(10,("SearchRequest: error\n"));
 690                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 691                                        &errstr);
 692         }
 693
 694         done->resultcode = result;
 695         done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
 696
 697         talloc_free(local_ctx);
 698
 699         ldapsrv_queue_reply(call, done_r);
 700         return NT_STATUS_OK;
 701 }
 702
 703 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 704 {
 705         struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
 706         struct ldap_Result *modify_result;
 707         struct ldapsrv_reply *modify_reply;
 708         TALLOC_CTX *local_ctx;
 709         struct ldb_context *samdb = call->conn->ldb;
 710         struct ldb_message *msg = NULL;
 711         struct ldb_dn *dn;
 712         const char *errstr = NULL;
 713         int result = LDAP_SUCCESS;
 714         int ldb_ret;
 715         unsigned int i,j;
 716         struct ldb_result *res = NULL;
 717
 718         DEBUG(10, ("ModifyRequest"));
 719         DEBUGADD(10, (" dn: %s\n", req->dn));
 720
 721         local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
 722         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 723
 724         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 725         VALID_DN_SYNTAX(dn);
 726
 727         DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
 728
 729         msg = talloc(local_ctx, struct ldb_message);
 730         NT_STATUS_HAVE_NO_MEMORY(msg);
 731
 732         msg->dn = dn;
 733         msg->num_elements = 0;
 734         msg->elements = NULL;
 735
 736         if (req->num_mods > 0) {
 737                 msg->num_elements = req->num_mods;
 738                 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
 739                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 740
 741                 for (i=0; i < msg->num_elements; i++) {
 742                         msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
 743                         msg->elements[i].num_values = 0;
 744                         msg->elements[i].values = NULL;
 745
 746                         switch (req->mods[i].type) {
 747                         default:
 748                                 result = LDAP_PROTOCOL_ERROR;
 749                                 map_ldb_error(local_ctx,
 750                                         LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
 751                                 errstr = talloc_asprintf(local_ctx,
 752                                         "%s. Invalid LDAP_MODIFY_* type", errstr);
 753                                 goto reply;
 754                         case LDAP_MODIFY_ADD:
 755                                 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
 756                                 break;
 757                         case LDAP_MODIFY_DELETE:
 758                                 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
 759                                 break;
 760                         case LDAP_MODIFY_REPLACE:
 761                                 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 762                                 break;
 763                         }
 764
 765                         msg->elements[i].num_values = req->mods[i].attrib.num_values;
 766                         if (msg->elements[i].num_values > 0) {
 767                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 768                                                                        msg->elements[i].num_values);
 769                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 770
 771                                 for (j=0; j < msg->elements[i].num_values; j++) {
 772                                         msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
 773                                         msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
 774                                 }
 775                         }
 776                 }
 777         }
 778
 779 reply:
 780         modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
 781         NT_STATUS_HAVE_NO_MEMORY(modify_reply);
 782
 783         if (result == LDAP_SUCCESS) {
 784                 res = talloc_zero(local_ctx, struct ldb_result);
 785                 NT_STATUS_HAVE_NO_MEMORY(res);
 786                 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls, res);
 787                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 788                                        &errstr);
 789         }
 790
 791         modify_result = &modify_reply->msg->r.ModifyResponse;
 792         modify_result->dn = NULL;
 793         if ((res != NULL) && (res->refs != NULL)) {
 794                 modify_result->resultcode = map_ldb_error(local_ctx,
 795                                                           LDB_ERR_REFERRAL,
 796                                                           NULL, &errstr);
 797                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 798                 modify_result->referral = talloc_strdup(call, *res->refs);
 799         } else {
 800                 modify_result->resultcode = result;
 801                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 802                 modify_result->referral = NULL;
 803         }
 804         talloc_free(local_ctx);
 805
 806         ldapsrv_queue_reply(call, modify_reply);
 807         return NT_STATUS_OK;
 808
 809 }
 810
 811 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 812 {
 813         struct ldap_AddRequest *req = &call->request->r.AddRequest;
 814         struct ldap_Result *add_result;
 815         struct ldapsrv_reply *add_reply;
 816         TALLOC_CTX *local_ctx;
 817         struct ldb_context *samdb = call->conn->ldb;
 818         struct ldb_message *msg = NULL;
 819         struct ldb_dn *dn;
 820         const char *errstr = NULL;
 821         int result = LDAP_SUCCESS;
 822         int ldb_ret;
 823         unsigned int i,j;
 824         struct ldb_result *res = NULL;
 825
 826         DEBUG(10, ("AddRequest"));
 827         DEBUGADD(10, (" dn: %s\n", req->dn));
 828
 829         local_ctx = talloc_named(call, 0, "AddRequest local memory context");
 830         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 831
 832         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 833         VALID_DN_SYNTAX(dn);
 834
 835         DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
 836
 837         msg = talloc(local_ctx, struct ldb_message);
 838         NT_STATUS_HAVE_NO_MEMORY(msg);
 839
 840         msg->dn = dn;
 841         msg->num_elements = 0;
 842         msg->elements = NULL;
 843
 844         if (req->num_attributes > 0) {
 845                 msg->num_elements = req->num_attributes;
 846                 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
 847                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 848
 849                 for (i=0; i < msg->num_elements; i++) {
 850                         msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
 851                         msg->elements[i].flags = 0;
 852                         msg->elements[i].num_values = 0;
 853                         msg->elements[i].values = NULL;
 854
 855                         if (req->attributes[i].num_values > 0) {
 856                                 msg->elements[i].num_values = req->attributes[i].num_values;
 857                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 858                                                                        msg->elements[i].num_values);
 859                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 860
 861                                 for (j=0; j < msg->elements[i].num_values; j++) {
 862                                         msg->elements[i].values[j].length = req->attributes[i].values[j].length;
 863                                         msg->elements[i].values[j].data = req->attributes[i].values[j].data;
 864                                 }
 865                         }
 866                 }
 867         }
 868
 869 reply:
 870         add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
 871         NT_STATUS_HAVE_NO_MEMORY(add_reply);
 872
 873         if (result == LDAP_SUCCESS) {
 874                 res = talloc_zero(local_ctx, struct ldb_result);
 875                 NT_STATUS_HAVE_NO_MEMORY(res);
 876                 ldb_ret = ldb_add_with_controls(samdb, msg, call->request->controls, res);
 877                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 878                                        &errstr);
 879         }
 880
 881         add_result = &add_reply->msg->r.AddResponse;
 882         add_result->dn = NULL;
 883         if ((res != NULL) && (res->refs != NULL)) {
 884                 add_result->resultcode =  map_ldb_error(local_ctx,
 885                                                         LDB_ERR_REFERRAL, NULL,
 886                                                         &errstr);
 887                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 888                 add_result->referral = talloc_strdup(call, *res->refs);
 889         } else {
 890                 add_result->resultcode = result;
 891                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 892                 add_result->referral = NULL;
 893         }
 894         talloc_free(local_ctx);
 895
 896         ldapsrv_queue_reply(call, add_reply);
 897         return NT_STATUS_OK;
 898
 899 }
 900
 901 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 902 {
 903         struct ldap_DelRequest *req = &call->request->r.DelRequest;
 904         struct ldap_Result *del_result;
 905         struct ldapsrv_reply *del_reply;
 906         TALLOC_CTX *local_ctx;
 907         struct ldb_context *samdb = call->conn->ldb;
 908         struct ldb_dn *dn;
 909         const char *errstr = NULL;
 910         int result = LDAP_SUCCESS;
 911         int ldb_ret;
 912         struct ldb_result *res = NULL;
 913
 914         DEBUG(10, ("DelRequest"));
 915         DEBUGADD(10, (" dn: %s\n", req->dn));
 916
 917         local_ctx = talloc_named(call, 0, "DelRequest local memory context");
 918         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 919
 920         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 921         VALID_DN_SYNTAX(dn);
 922
 923         DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
 924
 925 reply:
 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 = ldb_del_req_with_controls(samdb, 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         VALID_DN_SYNTAX(olddn);
 980
 981         newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
 982         VALID_DN_SYNTAX(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                 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1013                 VALID_DN_SYNTAX(parentdn);
1014                 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1015         }
1016
1017         if (!parentdn) {
1018                 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1019         }
1020         if (!parentdn) {
1021                 result = LDAP_NO_SUCH_OBJECT;
1022                 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1023                 goto reply;
1024         }
1025
1026         if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1027                 result = LDAP_OTHER;
1028                 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1029                 goto reply;
1030         }
1031         newdn = parentdn;
1032
1033 reply:
1034         modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1035         NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1036
1037         if (result == LDAP_SUCCESS) {
1038                 res = talloc_zero(local_ctx, struct ldb_result);
1039                 NT_STATUS_HAVE_NO_MEMORY(res);
1040                 ldb_ret = ldb_rename_with_controls(samdb, olddn, newdn, call->request->controls, res);
1041                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1042                                        &errstr);
1043         }
1044
1045         modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1046         modifydn->dn = NULL;
1047         if ((res != NULL) && (res->refs != NULL)) {
1048                 modifydn->resultcode = map_ldb_error(local_ctx,
1049                                                      LDB_ERR_REFERRAL, NULL,
1050                                                      &errstr);;
1051                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1052                 modifydn->referral = talloc_strdup(call, *res->refs);
1053         } else {
1054                 modifydn->resultcode = result;
1055                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1056                 modifydn->referral = NULL;
1057         }
1058
1059         talloc_free(local_ctx);
1060
1061         ldapsrv_queue_reply(call, modifydn_r);
1062         return NT_STATUS_OK;
1063 }
1064
1065 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1066 {
1067         struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1068         struct ldap_Result *compare;
1069         struct ldapsrv_reply *compare_r;
1070         TALLOC_CTX *local_ctx;
1071         struct ldb_context *samdb = call->conn->ldb;
1072         struct ldb_result *res = NULL;
1073         struct ldb_dn *dn;
1074         const char *attrs[1];
1075         const char *errstr = NULL;
1076         const char *filter = NULL;
1077         int result = LDAP_SUCCESS;
1078         int ldb_ret;
1079
1080         DEBUG(10, ("CompareRequest"));
1081         DEBUGADD(10, (" dn: %s\n", req->dn));
1082
1083         local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1084         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1085
1086         dn = ldb_dn_new(local_ctx, samdb, req->dn);
1087         VALID_DN_SYNTAX(dn);
1088
1089         DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1090         filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1091                                  (int)req->value.length, req->value.data);
1092         NT_STATUS_HAVE_NO_MEMORY(filter);
1093
1094         DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1095
1096         attrs[0] = NULL;
1097
1098 reply:
1099         compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1100         NT_STATUS_HAVE_NO_MEMORY(compare_r);
1101
1102         if (result == LDAP_SUCCESS) {
1103                 ldb_ret = ldb_search(samdb, local_ctx, &res,
1104                                      dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1105                 if (ldb_ret != LDB_SUCCESS) {
1106                         result = map_ldb_error(local_ctx, ldb_ret,
1107                                                ldb_errstring(samdb), &errstr);
1108                         DEBUG(10,("CompareRequest: error: %s\n", errstr));
1109                 } else if (res->count == 0) {
1110                         DEBUG(10,("CompareRequest: doesn't matched\n"));
1111                         result = LDAP_COMPARE_FALSE;
1112                         errstr = NULL;
1113                 } else if (res->count == 1) {
1114                         DEBUG(10,("CompareRequest: matched\n"));
1115                         result = LDAP_COMPARE_TRUE;
1116                         errstr = NULL;
1117                 } else if (res->count > 1) {
1118                         result = LDAP_OTHER;
1119                         map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1120                         errstr = talloc_asprintf(local_ctx,
1121                                 "%s. Too many objects match!", errstr);
1122                         DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1123                 }
1124         }
1125
1126         compare = &compare_r->msg->r.CompareResponse;
1127         compare->dn = NULL;
1128         compare->resultcode = result;
1129         compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1130         compare->referral = NULL;
1131
1132         talloc_free(local_ctx);
1133
1134         ldapsrv_queue_reply(call, compare_r);
1135         return NT_STATUS_OK;
1136 }
1137
1138 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1139 {
1140 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1141         DEBUG(10, ("AbandonRequest\n"));
1142         return NT_STATUS_OK;
1143 }
1144
1145 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1146 {
1147         unsigned int i;
1148         struct ldap_message *msg = call->request;
1149         /* Check for undecoded critical extensions */
1150         for (i=0; msg->controls && msg->controls[i]; i++) {
1151                 if (!msg->controls_decoded[i] &&
1152                     msg->controls[i]->critical) {
1153                         DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1154                                   msg->controls[i]->oid));
1155                         return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1156                 }
1157         }
1158
1159         switch(call->request->type) {
1160         case LDAP_TAG_BindRequest:
1161                 return ldapsrv_BindRequest(call);
1162         case LDAP_TAG_UnbindRequest:
1163                 return ldapsrv_UnbindRequest(call);
1164         case LDAP_TAG_SearchRequest:
1165                 return ldapsrv_SearchRequest(call);
1166         case LDAP_TAG_ModifyRequest:
1167                 return ldapsrv_ModifyRequest(call);
1168         case LDAP_TAG_AddRequest:
1169                 return ldapsrv_AddRequest(call);
1170         case LDAP_TAG_DelRequest:
1171                 return ldapsrv_DelRequest(call);
1172         case LDAP_TAG_ModifyDNRequest:
1173                 return ldapsrv_ModifyDNRequest(call);
1174         case LDAP_TAG_CompareRequest:
1175                 return ldapsrv_CompareRequest(call);
1176         case LDAP_TAG_AbandonRequest:
1177                 return ldapsrv_AbandonRequest(call);
1178         case LDAP_TAG_ExtendedRequest:
1179                 return ldapsrv_ExtendedRequest(call);
1180         default:
1181                 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);
1182         }
1183 }