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 "auth/gensec/gensec_internal.h" /* TODO: remove this */
  27 #include "param/param.h"
  28 #include "smbd/service_stream.h"
  29 #include "dsdb/samdb/samdb.h"
  30 #include <ldb_errors.h>
  31 #include <ldb_module.h>
  32 #include "ldb_wrap.h"
  33
  34 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
  35         const char *add_err_string, const char **errstring)
  36 {
  37         WERROR err;
  38
  39         /* Certain LDB modules need to return very special WERROR codes. Proof
  40          * for them here and if they exist skip the rest of the mapping. */
  41         if (add_err_string != NULL) {
  42                 char *endptr;
  43                 strtol(add_err_string, &endptr, 16);
  44                 if (endptr != add_err_string) {
  45                         *errstring = add_err_string;
  46                         return ldb_err;
  47                 }
  48         }
  49
  50         /* Otherwise we calculate here a generic, but appropriate WERROR. */
  51
  52         switch (ldb_err) {
  53         case LDB_SUCCESS:
  54                 err = WERR_OK;
  55         break;
  56         case LDB_ERR_OPERATIONS_ERROR:
  57                 err = WERR_DS_OPERATIONS_ERROR;
  58         break;
  59         case LDB_ERR_PROTOCOL_ERROR:
  60                 err = WERR_DS_PROTOCOL_ERROR;
  61         break;
  62         case LDB_ERR_TIME_LIMIT_EXCEEDED:
  63                 err = WERR_DS_TIMELIMIT_EXCEEDED;
  64         break;
  65         case LDB_ERR_SIZE_LIMIT_EXCEEDED:
  66                 err = WERR_DS_SIZELIMIT_EXCEEDED;
  67         break;
  68         case LDB_ERR_COMPARE_FALSE:
  69                 err = WERR_DS_COMPARE_FALSE;
  70         break;
  71         case LDB_ERR_COMPARE_TRUE:
  72                 err = WERR_DS_COMPARE_TRUE;
  73         break;
  74         case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
  75                 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
  76         break;
  77         case LDB_ERR_STRONG_AUTH_REQUIRED:
  78                 err = WERR_DS_STRONG_AUTH_REQUIRED;
  79         break;
  80         case LDB_ERR_REFERRAL:
  81                 err = WERR_DS_REFERRAL;
  82         break;
  83         case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
  84                 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
  85         break;
  86         case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
  87                 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
  88         break;
  89         case LDB_ERR_CONFIDENTIALITY_REQUIRED:
  90                 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
  91         break;
  92         case LDB_ERR_SASL_BIND_IN_PROGRESS:
  93                 err = WERR_DS_BUSY;
  94         break;
  95         case LDB_ERR_NO_SUCH_ATTRIBUTE:
  96                 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
  97         break;
  98         case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
  99                 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
 100         break;
 101         case LDB_ERR_INAPPROPRIATE_MATCHING:
 102                 err = WERR_DS_INAPPROPRIATE_MATCHING;
 103         break;
 104         case LDB_ERR_CONSTRAINT_VIOLATION:
 105                 err = WERR_DS_CONSTRAINT_VIOLATION;
 106         break;
 107         case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
 108                 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
 109         break;
 110         case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
 111                 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
 112         break;
 113         case LDB_ERR_NO_SUCH_OBJECT:
 114                 err = WERR_DS_NO_SUCH_OBJECT;
 115         break;
 116         case LDB_ERR_ALIAS_PROBLEM:
 117                 err = WERR_DS_ALIAS_PROBLEM;
 118         break;
 119         case LDB_ERR_INVALID_DN_SYNTAX:
 120                 err = WERR_DS_INVALID_DN_SYNTAX;
 121         break;
 122         case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
 123                 err = WERR_DS_ALIAS_DEREF_PROBLEM;
 124         break;
 125         case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
 126                 err = WERR_DS_INAPPROPRIATE_AUTH;
 127         break;
 128         case LDB_ERR_INVALID_CREDENTIALS:
 129                 err = WERR_ACCESS_DENIED;
 130         break;
 131         case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
 132                 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
 133         break;
 134         case LDB_ERR_BUSY:
 135                 err = WERR_DS_BUSY;
 136         break;
 137         case LDB_ERR_UNAVAILABLE:
 138                 err = WERR_DS_UNAVAILABLE;
 139         break;
 140         case LDB_ERR_UNWILLING_TO_PERFORM:
 141                 err = WERR_DS_UNWILLING_TO_PERFORM;
 142         break;
 143         case LDB_ERR_LOOP_DETECT:
 144                 err = WERR_DS_LOOP_DETECT;
 145         break;
 146         case LDB_ERR_NAMING_VIOLATION:
 147                 err = WERR_DS_NAMING_VIOLATION;
 148         break;
 149         case LDB_ERR_OBJECT_CLASS_VIOLATION:
 150                 err = WERR_DS_OBJ_CLASS_VIOLATION;
 151         break;
 152         case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
 153                 err = WERR_DS_CANT_ON_NON_LEAF;
 154         break;
 155         case LDB_ERR_NOT_ALLOWED_ON_RDN:
 156                 err = WERR_DS_CANT_ON_RDN;
 157         break;
 158         case LDB_ERR_ENTRY_ALREADY_EXISTS:
 159                 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
 160         break;
 161         case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
 162                 err = WERR_DS_CANT_MOD_OBJ_CLASS;
 163         break;
 164         case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
 165                 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
 166         break;
 167         default:
 168                 err = WERR_DS_GENERIC_ERROR;
 169         break;
 170         }
 171
 172         *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
 173                 add_err_string != NULL ? add_err_string : ldb_strerror(ldb_err));
 174
 175         /* result is 1:1 for now */
 176         return ldb_err;
 177 }
 178
 179 /*
 180   connect to the sam database
 181 */
 182 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
 183 {
 184         conn->ldb = samdb_connect(conn,
 185                                      conn->connection->event.ctx,
 186                                      conn->lp_ctx,
 187                                      conn->session_info,
 188                                      conn->global_catalog ? LDB_FLG_RDONLY : 0);
 189         if (conn->ldb == NULL) {
 190                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 191         }
 192
 193         if (conn->server_credentials) {
 194                 char **sasl_mechs = NULL;
 195                 const struct gensec_security_ops * const *backends = gensec_security_all();
 196                 const struct gensec_security_ops **ops
 197                         = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
 198                 unsigned int i, j = 0;
 199                 for (i = 0; ops && ops[i]; i++) {
 200                         if (!lpcfg_parm_bool(conn->lp_ctx,  NULL, "gensec", ops[i]->name, ops[i]->enabled))
 201                                 continue;
 202
 203                         if (ops[i]->sasl_name && ops[i]->server_start) {
 204                                 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
 205
 206                                 if (!sasl_name) {
 207                                         return NT_STATUS_NO_MEMORY;
 208                                 }
 209                                 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
 210                                 if (!sasl_mechs) {
 211                                         return NT_STATUS_NO_MEMORY;
 212                                 }
 213                                 sasl_mechs[j] = sasl_name;
 214                                 talloc_steal(sasl_mechs, sasl_name);
 215                                 sasl_mechs[j+1] = NULL;
 216                                 j++;
 217                         }
 218                 }
 219                 talloc_unlink(conn, ops);
 220
 221                 /* ldb can have a different lifetime to conn, so we
 222                    need to ensure that sasl_mechs lives as long as the
 223                    ldb does */
 224                 talloc_steal(conn->ldb, sasl_mechs);
 225
 226                 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
 227         }
 228
 229         ldb_set_opaque(conn->ldb, "remoteAddress",
 230                        conn->connection->remote_address);
 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);
 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                                      struct ldb_result *res)
 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                                         res,
 303                                         ldb_modify_default_callback,
 304                                         NULL);
 305
 306         if (ret != LDB_SUCCESS) return ret;
 307
 308         if (call->conn->global_catalog) {
 309                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
 310         }
 311         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
 312
 313         ret = ldb_transaction_start(ldb);
 314         if (ret != LDB_SUCCESS) {
 315                 return ret;
 316         }
 317
 318         if (!call->conn->is_privileged) {
 319                 ldb_req_mark_untrusted(req);
 320         }
 321
 322         LDB_REQ_SET_LOCATION(req);
 323
 324         ret = ldb_request(ldb, req);
 325         if (ret == LDB_SUCCESS) {
 326                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 327         }
 328
 329         if (ret == LDB_SUCCESS) {
 330                 ret = ldb_transaction_commit(ldb);
 331         }
 332         else {
 333                 ldb_transaction_cancel(ldb);
 334         }
 335
 336         talloc_free(req);
 337         return ret;
 338 }
 339
 340 /* create and execute a modify request */
 341 static int ldapsrv_mod_with_controls(struct ldapsrv_call *call,
 342                                      const struct ldb_message *message,
 343                                      struct ldb_control **controls,
 344                                      struct ldb_result *res)
 345 {
 346         struct ldb_context *ldb = call->conn->ldb;
 347         struct ldb_request *req;
 348         int ret;
 349
 350         ret = ldb_msg_sanity_check(ldb, message);
 351         if (ret != LDB_SUCCESS) {
 352                 return ret;
 353         }
 354
 355         ret = ldb_build_mod_req(&req, ldb, ldb,
 356                                         message,
 357                                         controls,
 358                                         res,
 359                                         ldb_modify_default_callback,
 360                                         NULL);
 361
 362         if (ret != LDB_SUCCESS) {
 363                 return ret;
 364         }
 365
 366         if (call->conn->global_catalog) {
 367                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
 368         }
 369         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
 370
 371         ret = ldb_transaction_start(ldb);
 372         if (ret != LDB_SUCCESS) {
 373                 return ret;
 374         }
 375
 376         if (!call->conn->is_privileged) {
 377                 ldb_req_mark_untrusted(req);
 378         }
 379
 380         LDB_REQ_SET_LOCATION(req);
 381
 382         ret = ldb_request(ldb, req);
 383         if (ret == LDB_SUCCESS) {
 384                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 385         }
 386
 387         if (ret == LDB_SUCCESS) {
 388                 ret = ldb_transaction_commit(ldb);
 389         }
 390         else {
 391                 ldb_transaction_cancel(ldb);
 392         }
 393
 394         talloc_free(req);
 395         return ret;
 396 }
 397
 398 /* create and execute a delete request */
 399 static int ldapsrv_del_with_controls(struct ldapsrv_call *call,
 400                                      struct ldb_dn *dn,
 401                                      struct ldb_control **controls,
 402                                      struct ldb_result *res)
 403 {
 404         struct ldb_context *ldb = call->conn->ldb;
 405         struct ldb_request *req;
 406         int ret;
 407
 408         ret = ldb_build_del_req(&req, ldb, ldb,
 409                                         dn,
 410                                         controls,
 411                                         res,
 412                                         ldb_modify_default_callback,
 413                                         NULL);
 414
 415         if (ret != LDB_SUCCESS) return ret;
 416
 417         if (call->conn->global_catalog) {
 418                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
 419         }
 420         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
 421
 422         ret = ldb_transaction_start(ldb);
 423         if (ret != LDB_SUCCESS) {
 424                 return ret;
 425         }
 426
 427         if (!call->conn->is_privileged) {
 428                 ldb_req_mark_untrusted(req);
 429         }
 430
 431         LDB_REQ_SET_LOCATION(req);
 432
 433         ret = ldb_request(ldb, req);
 434         if (ret == LDB_SUCCESS) {
 435                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 436         }
 437
 438         if (ret == LDB_SUCCESS) {
 439                 ret = ldb_transaction_commit(ldb);
 440         }
 441         else {
 442                 ldb_transaction_cancel(ldb);
 443         }
 444
 445         talloc_free(req);
 446         return ret;
 447 }
 448
 449 static int ldapsrv_rename_with_controls(struct ldapsrv_call *call,
 450                                         struct ldb_dn *olddn,
 451                                         struct ldb_dn *newdn,
 452                                         struct ldb_control **controls,
 453                                         struct ldb_result *res)
 454 {
 455         struct ldb_context *ldb = call->conn->ldb;
 456         struct ldb_request *req;
 457         int ret;
 458
 459         ret = ldb_build_rename_req(&req, ldb, ldb,
 460                                         olddn,
 461                                         newdn,
 462                                         controls,
 463                                         res,
 464                                         ldb_modify_default_callback,
 465                                         NULL);
 466
 467         if (ret != LDB_SUCCESS) return ret;
 468
 469         if (call->conn->global_catalog) {
 470                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
 471         }
 472         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
 473
 474         ret = ldb_transaction_start(ldb);
 475         if (ret != LDB_SUCCESS) {
 476                 return ret;
 477         }
 478
 479         if (!call->conn->is_privileged) {
 480                 ldb_req_mark_untrusted(req);
 481         }
 482
 483         LDB_REQ_SET_LOCATION(req);
 484
 485         ret = ldb_request(ldb, req);
 486         if (ret == LDB_SUCCESS) {
 487                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
 488         }
 489
 490         if (ret == LDB_SUCCESS) {
 491                 ret = ldb_transaction_commit(ldb);
 492         }
 493         else {
 494                 ldb_transaction_cancel(ldb);
 495         }
 496
 497         talloc_free(req);
 498         return ret;
 499 }
 500
 501 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 502 {
 503         struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
 504         struct ldap_SearchResEntry *ent;
 505         struct ldap_Result *done;
 506         struct ldapsrv_reply *ent_r, *done_r;
 507         TALLOC_CTX *local_ctx;
 508         struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
 509         struct ldb_dn *basedn;
 510         struct ldb_result *res = NULL;
 511         struct ldb_request *lreq;
 512         struct ldb_control *search_control;
 513         struct ldb_search_options_control *search_options;
 514         struct ldb_control *extended_dn_control;
 515         struct ldb_extended_dn_control *extended_dn_decoded = NULL;
 516         enum ldb_scope scope = LDB_SCOPE_DEFAULT;
 517         const char **attrs = NULL;
 518         const char *scope_str, *errstr = NULL;
 519         int success_limit = 1;
 520         int result = -1;
 521         int ldb_ret = -1;
 522         unsigned int i, j;
 523         int extended_type = 1;
 524
 525         DEBUG(10, ("SearchRequest"));
 526         DEBUGADD(10, (" basedn: %s", req->basedn));
 527         DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
 528
 529         local_ctx = talloc_new(call);
 530         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 531
 532         basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
 533         NT_STATUS_HAVE_NO_MEMORY(basedn);
 534
 535         DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
 536         DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
 537
 538         switch (req->scope) {
 539                 case LDAP_SEARCH_SCOPE_BASE:
 540                         scope_str = "BASE";
 541                         scope = LDB_SCOPE_BASE;
 542                         success_limit = 0;
 543                         break;
 544                 case LDAP_SEARCH_SCOPE_SINGLE:
 545                         scope_str = "ONE";
 546                         scope = LDB_SCOPE_ONELEVEL;
 547                         success_limit = 0;
 548                         break;
 549                 case LDAP_SEARCH_SCOPE_SUB:
 550                         scope_str = "SUB";
 551                         scope = LDB_SCOPE_SUBTREE;
 552                         success_limit = 0;
 553                         break;
 554                 default:
 555                         result = LDAP_PROTOCOL_ERROR;
 556                         map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
 557                                 &errstr);
 558                         errstr = talloc_asprintf(local_ctx,
 559                                 "%s. Invalid scope", errstr);
 560                         goto reply;
 561         }
 562         DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
 563
 564         if (req->num_attributes >= 1) {
 565                 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
 566                 NT_STATUS_HAVE_NO_MEMORY(attrs);
 567
 568                 for (i=0; i < req->num_attributes; i++) {
 569                         DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
 570                         attrs[i] = req->attributes[i];
 571                 }
 572                 attrs[i] = NULL;
 573         }
 574
 575         DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
 576                  scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
 577
 578         res = talloc_zero(local_ctx, struct ldb_result);
 579         NT_STATUS_HAVE_NO_MEMORY(res);
 580
 581         ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
 582                                           basedn, scope,
 583                                           req->tree, attrs,
 584                                           call->request->controls,
 585                                           res, ldb_search_default_callback,
 586                                           NULL);
 587
 588         if (ldb_ret != LDB_SUCCESS) {
 589                 goto reply;
 590         }
 591
 592         if (call->conn->global_catalog) {
 593                 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
 594
 595                 search_options = NULL;
 596                 if (search_control) {
 597                         search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
 598                         search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
 599                 } else {
 600                         search_options = talloc(lreq, struct ldb_search_options_control);
 601                         NT_STATUS_HAVE_NO_MEMORY(search_options);
 602                         search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
 603                         ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
 604                 }
 605         } else {
 606                 ldb_request_add_control(lreq, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
 607         }
 608
 609         extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
 610
 611         if (extended_dn_control) {
 612                 if (extended_dn_control->data) {
 613                         extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
 614                         extended_type = extended_dn_decoded->type;
 615                 } else {
 616                         extended_type = 0;
 617                 }
 618         }
 619
 620         ldb_set_timeout(samdb, lreq, req->timelimit);
 621
 622         if (!call->conn->is_privileged) {
 623                 ldb_req_mark_untrusted(lreq);
 624         }
 625
 626         LDB_REQ_SET_LOCATION(lreq);
 627
 628         ldb_ret = ldb_request(samdb, lreq);
 629
 630         if (ldb_ret != LDB_SUCCESS) {
 631                 goto reply;
 632         }
 633
 634         ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
 635
 636         if (ldb_ret == LDB_SUCCESS) {
 637                 for (i = 0; i < res->count; i++) {
 638                         ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
 639                         NT_STATUS_HAVE_NO_MEMORY(ent_r);
 640
 641                         /* Better to have the whole message kept here,
 642                          * than to find someone further up didn't put
 643                          * a value in the right spot in the talloc tree */
 644                         talloc_steal(ent_r, res->msgs[i]);
 645
 646                         ent = &ent_r->msg->r.SearchResultEntry;
 647                         ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
 648                         ent->num_attributes = 0;
 649                         ent->attributes = NULL;
 650                         if (res->msgs[i]->num_elements == 0) {
 651                                 goto queue_reply;
 652                         }
 653                         ent->num_attributes = res->msgs[i]->num_elements;
 654                         ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
 655                         NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
 656                         for (j=0; j < ent->num_attributes; j++) {
 657                                 ent->attributes[j].name = res->msgs[i]->elements[j].name;
 658                                 ent->attributes[j].num_values = 0;
 659                                 ent->attributes[j].values = NULL;
 660                                 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
 661                                         continue;
 662                                 }
 663                                 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
 664                                 ent->attributes[j].values = res->msgs[i]->elements[j].values;
 665                         }
 666 queue_reply:
 667                         ldapsrv_queue_reply(call, ent_r);
 668                 }
 669
 670                 /* Send back referrals if they do exist (search operations) */
 671                 if (res->refs != NULL) {
 672                         char **ref;
 673                         struct ldap_SearchResRef *ent_ref;
 674
 675                         for (ref = res->refs; *ref != NULL; ++ref) {
 676                                 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
 677                                 NT_STATUS_HAVE_NO_MEMORY(ent_r);
 678
 679                                 /* Better to have the whole referrals kept here,
 680                                  * than to find someone further up didn't put
 681                                  * a value in the right spot in the talloc tree
 682                                  */
 683                                 talloc_steal(ent_r, *ref);
 684
 685                                 ent_ref = &ent_r->msg->r.SearchResultReference;
 686                                 ent_ref->referral = *ref;
 687
 688                                 ldapsrv_queue_reply(call, ent_r);
 689                         }
 690                 }
 691         }
 692
 693 reply:
 694         done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
 695         NT_STATUS_HAVE_NO_MEMORY(done_r);
 696
 697         done = &done_r->msg->r.SearchResultDone;
 698         done->dn = NULL;
 699         done->referral = NULL;
 700
 701         if (result != -1) {
 702         } else if (ldb_ret == LDB_SUCCESS) {
 703                 if (res->count >= success_limit) {
 704                         DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
 705                         result = LDAP_SUCCESS;
 706                         errstr = NULL;
 707                 }
 708                 if (res->controls) {
 709                         done_r->msg->controls = res->controls;
 710                         talloc_steal(done_r, res->controls);
 711                 }
 712         } else {
 713                 DEBUG(10,("SearchRequest: error\n"));
 714                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 715                                        &errstr);
 716         }
 717
 718         done->resultcode = result;
 719         done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
 720
 721         talloc_free(local_ctx);
 722
 723         ldapsrv_queue_reply(call, done_r);
 724         return NT_STATUS_OK;
 725 }
 726
 727 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 728 {
 729         struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
 730         struct ldap_Result *modify_result;
 731         struct ldapsrv_reply *modify_reply;
 732         TALLOC_CTX *local_ctx;
 733         struct ldb_context *samdb = call->conn->ldb;
 734         struct ldb_message *msg = NULL;
 735         struct ldb_dn *dn;
 736         const char *errstr = NULL;
 737         int result = LDAP_SUCCESS;
 738         int ldb_ret;
 739         unsigned int i,j;
 740         struct ldb_result *res = NULL;
 741
 742         DEBUG(10, ("ModifyRequest"));
 743         DEBUGADD(10, (" dn: %s\n", req->dn));
 744
 745         local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
 746         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 747
 748         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 749         NT_STATUS_HAVE_NO_MEMORY(dn);
 750
 751         DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
 752
 753         msg = talloc(local_ctx, struct ldb_message);
 754         NT_STATUS_HAVE_NO_MEMORY(msg);
 755
 756         msg->dn = dn;
 757         msg->num_elements = 0;
 758         msg->elements = NULL;
 759
 760         if (req->num_mods > 0) {
 761                 msg->num_elements = req->num_mods;
 762                 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
 763                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 764
 765                 for (i=0; i < msg->num_elements; i++) {
 766                         msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
 767                         msg->elements[i].num_values = 0;
 768                         msg->elements[i].values = NULL;
 769
 770                         switch (req->mods[i].type) {
 771                         default:
 772                                 result = LDAP_PROTOCOL_ERROR;
 773                                 map_ldb_error(local_ctx,
 774                                         LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
 775                                 errstr = talloc_asprintf(local_ctx,
 776                                         "%s. Invalid LDAP_MODIFY_* type", errstr);
 777                                 goto reply;
 778                         case LDAP_MODIFY_ADD:
 779                                 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
 780                                 break;
 781                         case LDAP_MODIFY_DELETE:
 782                                 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
 783                                 break;
 784                         case LDAP_MODIFY_REPLACE:
 785                                 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 786                                 break;
 787                         }
 788
 789                         msg->elements[i].num_values = req->mods[i].attrib.num_values;
 790                         if (msg->elements[i].num_values > 0) {
 791                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 792                                                                        msg->elements[i].num_values);
 793                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 794
 795                                 for (j=0; j < msg->elements[i].num_values; j++) {
 796                                         msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
 797                                         msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
 798                                 }
 799                         }
 800                 }
 801         }
 802
 803 reply:
 804         modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
 805         NT_STATUS_HAVE_NO_MEMORY(modify_reply);
 806
 807         if (result == LDAP_SUCCESS) {
 808                 res = talloc_zero(local_ctx, struct ldb_result);
 809                 NT_STATUS_HAVE_NO_MEMORY(res);
 810                 ldb_ret = ldapsrv_mod_with_controls(call, msg, call->request->controls, res);
 811                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 812                                        &errstr);
 813         }
 814
 815         modify_result = &modify_reply->msg->r.ModifyResponse;
 816         modify_result->dn = NULL;
 817         if ((res != NULL) && (res->refs != NULL)) {
 818                 modify_result->resultcode = map_ldb_error(local_ctx,
 819                                                           LDB_ERR_REFERRAL,
 820                                                           NULL, &errstr);
 821                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 822                 modify_result->referral = talloc_strdup(call, *res->refs);
 823         } else {
 824                 modify_result->resultcode = result;
 825                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
 826                 modify_result->referral = NULL;
 827         }
 828         talloc_free(local_ctx);
 829
 830         ldapsrv_queue_reply(call, modify_reply);
 831         return NT_STATUS_OK;
 832
 833 }
 834
 835 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 836 {
 837         struct ldap_AddRequest *req = &call->request->r.AddRequest;
 838         struct ldap_Result *add_result;
 839         struct ldapsrv_reply *add_reply;
 840         TALLOC_CTX *local_ctx;
 841         struct ldb_context *samdb = call->conn->ldb;
 842         struct ldb_message *msg = NULL;
 843         struct ldb_dn *dn;
 844         const char *errstr = NULL;
 845         int result = LDAP_SUCCESS;
 846         int ldb_ret;
 847         unsigned int i,j;
 848         struct ldb_result *res = NULL;
 849
 850         DEBUG(10, ("AddRequest"));
 851         DEBUGADD(10, (" dn: %s\n", req->dn));
 852
 853         local_ctx = talloc_named(call, 0, "AddRequest local memory context");
 854         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 855
 856         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 857         NT_STATUS_HAVE_NO_MEMORY(dn);
 858
 859         DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
 860
 861         msg = talloc(local_ctx, struct ldb_message);
 862         NT_STATUS_HAVE_NO_MEMORY(msg);
 863
 864         msg->dn = dn;
 865         msg->num_elements = 0;
 866         msg->elements = NULL;
 867
 868         if (req->num_attributes > 0) {
 869                 msg->num_elements = req->num_attributes;
 870                 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
 871                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
 872
 873                 for (i=0; i < msg->num_elements; i++) {
 874                         msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
 875                         msg->elements[i].flags = 0;
 876                         msg->elements[i].num_values = 0;
 877                         msg->elements[i].values = NULL;
 878
 879                         if (req->attributes[i].num_values > 0) {
 880                                 msg->elements[i].num_values = req->attributes[i].num_values;
 881                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
 882                                                                        msg->elements[i].num_values);
 883                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
 884
 885                                 for (j=0; j < msg->elements[i].num_values; j++) {
 886                                         msg->elements[i].values[j].length = req->attributes[i].values[j].length;
 887                                         msg->elements[i].values[j].data = req->attributes[i].values[j].data;
 888                                 }
 889                         }
 890                 }
 891         }
 892
 893         add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
 894         NT_STATUS_HAVE_NO_MEMORY(add_reply);
 895
 896         if (result == LDAP_SUCCESS) {
 897                 res = talloc_zero(local_ctx, struct ldb_result);
 898                 NT_STATUS_HAVE_NO_MEMORY(res);
 899                 ldb_ret = ldapsrv_add_with_controls(call, msg, call->request->controls, res);
 900                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 901                                        &errstr);
 902         }
 903
 904         add_result = &add_reply->msg->r.AddResponse;
 905         add_result->dn = NULL;
 906         if ((res != NULL) && (res->refs != NULL)) {
 907                 add_result->resultcode =  map_ldb_error(local_ctx,
 908                                                         LDB_ERR_REFERRAL, NULL,
 909                                                         &errstr);
 910                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 911                 add_result->referral = talloc_strdup(call, *res->refs);
 912         } else {
 913                 add_result->resultcode = result;
 914                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
 915                 add_result->referral = NULL;
 916         }
 917         talloc_free(local_ctx);
 918
 919         ldapsrv_queue_reply(call, add_reply);
 920         return NT_STATUS_OK;
 921
 922 }
 923
 924 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 925 {
 926         struct ldap_DelRequest *req = &call->request->r.DelRequest;
 927         struct ldap_Result *del_result;
 928         struct ldapsrv_reply *del_reply;
 929         TALLOC_CTX *local_ctx;
 930         struct ldb_context *samdb = call->conn->ldb;
 931         struct ldb_dn *dn;
 932         const char *errstr = NULL;
 933         int result = LDAP_SUCCESS;
 934         int ldb_ret;
 935         struct ldb_result *res = NULL;
 936
 937         DEBUG(10, ("DelRequest"));
 938         DEBUGADD(10, (" dn: %s\n", req->dn));
 939
 940         local_ctx = talloc_named(call, 0, "DelRequest local memory context");
 941         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 942
 943         dn = ldb_dn_new(local_ctx, samdb, req->dn);
 944         NT_STATUS_HAVE_NO_MEMORY(dn);
 945
 946         DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
 947
 948         del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
 949         NT_STATUS_HAVE_NO_MEMORY(del_reply);
 950
 951         if (result == LDAP_SUCCESS) {
 952                 res = talloc_zero(local_ctx, struct ldb_result);
 953                 NT_STATUS_HAVE_NO_MEMORY(res);
 954                 ldb_ret = ldapsrv_del_with_controls(call, dn, call->request->controls, res);
 955                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
 956                                        &errstr);
 957         }
 958
 959         del_result = &del_reply->msg->r.DelResponse;
 960         del_result->dn = NULL;
 961         if ((res != NULL) && (res->refs != NULL)) {
 962                 del_result->resultcode = map_ldb_error(local_ctx,
 963                                                        LDB_ERR_REFERRAL, NULL,
 964                                                        &errstr);
 965                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 966                 del_result->referral = talloc_strdup(call, *res->refs);
 967         } else {
 968                 del_result->resultcode = result;
 969                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
 970                 del_result->referral = NULL;
 971         }
 972
 973         talloc_free(local_ctx);
 974
 975         ldapsrv_queue_reply(call, del_reply);
 976         return NT_STATUS_OK;
 977 }
 978
 979 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
 980 {
 981         struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
 982         struct ldap_Result *modifydn;
 983         struct ldapsrv_reply *modifydn_r;
 984         TALLOC_CTX *local_ctx;
 985         struct ldb_context *samdb = call->conn->ldb;
 986         struct ldb_dn *olddn, *newdn=NULL, *newrdn;
 987         struct ldb_dn *parentdn = NULL;
 988         const char *errstr = NULL;
 989         int result = LDAP_SUCCESS;
 990         int ldb_ret;
 991         struct ldb_result *res = NULL;
 992
 993         DEBUG(10, ("ModifyDNRequest"));
 994         DEBUGADD(10, (" dn: %s", req->dn));
 995         DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
 996
 997         local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
 998         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
 999
1000         olddn = ldb_dn_new(local_ctx, samdb, req->dn);
1001         NT_STATUS_HAVE_NO_MEMORY(olddn);
1002
1003         newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
1004         NT_STATUS_HAVE_NO_MEMORY(newrdn);
1005
1006         DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
1007         DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
1008
1009         if (ldb_dn_get_comp_num(newrdn) == 0) {
1010                 result = LDAP_PROTOCOL_ERROR;
1011                 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
1012                               &errstr);
1013                 goto reply;
1014         }
1015
1016         if (ldb_dn_get_comp_num(newrdn) > 1) {
1017                 result = LDAP_NAMING_VIOLATION;
1018                 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
1019                               &errstr);
1020                 goto reply;
1021         }
1022
1023         /* we can't handle the rename if we should not remove the old dn */
1024         if (!req->deleteolddn) {
1025                 result = LDAP_UNWILLING_TO_PERFORM;
1026                 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
1027                               &errstr);
1028                 errstr = talloc_asprintf(local_ctx,
1029                         "%s. Old RDN must be deleted", errstr);
1030                 goto reply;
1031         }
1032
1033         if (req->newsuperior) {
1034                 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1035                 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1036         }
1037
1038         if (!parentdn) {
1039                 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1040         }
1041         if (!parentdn) {
1042                 result = LDAP_NO_SUCH_OBJECT;
1043                 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1044                 goto reply;
1045         }
1046
1047         if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1048                 result = LDAP_OTHER;
1049                 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1050                 goto reply;
1051         }
1052         newdn = parentdn;
1053
1054 reply:
1055         modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1056         NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1057
1058         if (result == LDAP_SUCCESS) {
1059                 res = talloc_zero(local_ctx, struct ldb_result);
1060                 NT_STATUS_HAVE_NO_MEMORY(res);
1061                 ldb_ret = ldapsrv_rename_with_controls(call, olddn, newdn, call->request->controls, res);
1062                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1063                                        &errstr);
1064         }
1065
1066         modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1067         modifydn->dn = NULL;
1068         if ((res != NULL) && (res->refs != NULL)) {
1069                 modifydn->resultcode = map_ldb_error(local_ctx,
1070                                                      LDB_ERR_REFERRAL, NULL,
1071                                                      &errstr);;
1072                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1073                 modifydn->referral = talloc_strdup(call, *res->refs);
1074         } else {
1075                 modifydn->resultcode = result;
1076                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1077                 modifydn->referral = NULL;
1078         }
1079
1080         talloc_free(local_ctx);
1081
1082         ldapsrv_queue_reply(call, modifydn_r);
1083         return NT_STATUS_OK;
1084 }
1085
1086 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1087 {
1088         struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1089         struct ldap_Result *compare;
1090         struct ldapsrv_reply *compare_r;
1091         TALLOC_CTX *local_ctx;
1092         struct ldb_context *samdb = call->conn->ldb;
1093         struct ldb_result *res = NULL;
1094         struct ldb_dn *dn;
1095         const char *attrs[1];
1096         const char *errstr = NULL;
1097         const char *filter = NULL;
1098         int result = LDAP_SUCCESS;
1099         int ldb_ret;
1100
1101         DEBUG(10, ("CompareRequest"));
1102         DEBUGADD(10, (" dn: %s\n", req->dn));
1103
1104         local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1105         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1106
1107         dn = ldb_dn_new(local_ctx, samdb, req->dn);
1108         NT_STATUS_HAVE_NO_MEMORY(dn);
1109
1110         DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1111         filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1112                                  (int)req->value.length, req->value.data);
1113         NT_STATUS_HAVE_NO_MEMORY(filter);
1114
1115         DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1116
1117         attrs[0] = NULL;
1118
1119         compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1120         NT_STATUS_HAVE_NO_MEMORY(compare_r);
1121
1122         if (result == LDAP_SUCCESS) {
1123                 ldb_ret = ldb_search(samdb, local_ctx, &res,
1124                                      dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1125                 if (ldb_ret != LDB_SUCCESS) {
1126                         result = map_ldb_error(local_ctx, ldb_ret,
1127                                                ldb_errstring(samdb), &errstr);
1128                         DEBUG(10,("CompareRequest: error: %s\n", errstr));
1129                 } else if (res->count == 0) {
1130                         DEBUG(10,("CompareRequest: doesn't matched\n"));
1131                         result = LDAP_COMPARE_FALSE;
1132                         errstr = NULL;
1133                 } else if (res->count == 1) {
1134                         DEBUG(10,("CompareRequest: matched\n"));
1135                         result = LDAP_COMPARE_TRUE;
1136                         errstr = NULL;
1137                 } else if (res->count > 1) {
1138                         result = LDAP_OTHER;
1139                         map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1140                         errstr = talloc_asprintf(local_ctx,
1141                                 "%s. Too many objects match!", errstr);
1142                         DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1143                 }
1144         }
1145
1146         compare = &compare_r->msg->r.CompareResponse;
1147         compare->dn = NULL;
1148         compare->resultcode = result;
1149         compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1150         compare->referral = NULL;
1151
1152         talloc_free(local_ctx);
1153
1154         ldapsrv_queue_reply(call, compare_r);
1155         return NT_STATUS_OK;
1156 }
1157
1158 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1159 {
1160 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1161         DEBUG(10, ("AbandonRequest\n"));
1162         return NT_STATUS_OK;
1163 }
1164
1165 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1166 {
1167         unsigned int i;
1168         struct ldap_message *msg = call->request;
1169         struct ldb_context *samdb = call->conn->ldb;
1170         NTSTATUS status;
1171         time_t *lastts;
1172         /* Check for undecoded critical extensions */
1173         for (i=0; msg->controls && msg->controls[i]; i++) {
1174                 if (!msg->controls_decoded[i] &&
1175                     msg->controls[i]->critical) {
1176                         DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1177                                   msg->controls[i]->oid));
1178                         return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1179                 }
1180         }
1181
1182         switch(call->request->type) {
1183         case LDAP_TAG_BindRequest:
1184                 return ldapsrv_BindRequest(call);
1185         case LDAP_TAG_UnbindRequest:
1186                 return ldapsrv_UnbindRequest(call);
1187         case LDAP_TAG_SearchRequest:
1188                 return ldapsrv_SearchRequest(call);
1189         case LDAP_TAG_ModifyRequest:
1190                 status = ldapsrv_ModifyRequest(call);
1191                 break;
1192         case LDAP_TAG_AddRequest:
1193                 status = ldapsrv_AddRequest(call);
1194                 break;
1195         case LDAP_TAG_DelRequest:
1196                 return ldapsrv_DelRequest(call);
1197         case LDAP_TAG_ModifyDNRequest:
1198                 return ldapsrv_ModifyDNRequest(call);
1199         case LDAP_TAG_CompareRequest:
1200                 return ldapsrv_CompareRequest(call);
1201         case LDAP_TAG_AbandonRequest:
1202                 return ldapsrv_AbandonRequest(call);
1203         case LDAP_TAG_ExtendedRequest:
1204                 return ldapsrv_ExtendedRequest(call);
1205         default:
1206                 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);
1207         }
1208
1209         if (NT_STATUS_IS_OK(status)) {
1210                 lastts = (time_t *)ldb_get_opaque(samdb, DSDB_OPAQUE_LAST_SCHEMA_UPDATE_MSG_OPAQUE_NAME);
1211                 if (lastts && !*lastts) {
1212                         DEBUG(10, ("Schema update now was requested, "
1213                                 "fullfilling the request ts = %d\n",
1214                                 (int)*lastts));
1215                         /*
1216                         * Just requesting the schema will do the trick
1217                         * as the delay for reload is experied, we will have a reload
1218                         * from the schema as expected as we are not yet in a transaction!
1219                         */
1220                         dsdb_get_schema(samdb, NULL);
1221                         *lastts = time(NULL);
1222                         ldb_set_opaque(samdb, DSDB_OPAQUE_LAST_SCHEMA_UPDATE_MSG_OPAQUE_NAME, lastts);
1223                 }
1224         }
1225         return status;
1226 }