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https://git.openldap.org/openldap/openldap.git
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68b1bbb89d
Use typedefs for all backend functions, to minimize work in future API updates. (back-*/external.h will never need updating in the future.)
351 lines
8.9 KiB
C
351 lines
8.9 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/* Portions
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "ldap_pvt.h"
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#include "slap.h"
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int
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do_search(
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Connection *conn, /* where to send results */
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Operation *op /* info about the op to which we're responding */
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) {
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int i;
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ber_int_t scope, deref, attrsonly;
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ber_int_t sizelimit, timelimit;
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struct berval base = { 0, NULL };
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struct berval *pbase = NULL;
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struct berval *nbase = NULL;
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char *fstr = NULL;
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Filter *filter = NULL;
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struct berval **attrs = NULL;
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Backend *be;
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int rc;
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const char *text;
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int manageDSAit;
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
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"do_search: conn %d\n", conn->c_connid ));
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#else
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Debug( LDAP_DEBUG_TRACE, "do_search\n", 0, 0, 0 );
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#endif
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/*
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* Parse the search request. It looks like this:
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*
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* SearchRequest := [APPLICATION 3] SEQUENCE {
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* baseObject DistinguishedName,
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* scope ENUMERATED {
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* baseObject (0),
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* singleLevel (1),
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* wholeSubtree (2)
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* },
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* derefAliases ENUMERATED {
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* neverDerefaliases (0),
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* derefInSearching (1),
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* derefFindingBaseObj (2),
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* alwaysDerefAliases (3)
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* },
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* sizelimit INTEGER (0 .. 65535),
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* timelimit INTEGER (0 .. 65535),
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* attrsOnly BOOLEAN,
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* filter Filter,
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* attributes SEQUENCE OF AttributeType
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* }
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*/
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/* baseObject, scope, derefAliases, sizelimit, timelimit, attrsOnly */
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if ( ber_scanf( op->o_ber, "{oiiiib" /*}*/,
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&base, &scope, &deref, &sizelimit,
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&timelimit, &attrsonly ) == LBER_ERROR )
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{
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = SLAPD_DISCONNECT;
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goto return_results;
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}
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switch( scope ) {
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case LDAP_SCOPE_BASE:
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case LDAP_SCOPE_ONELEVEL:
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case LDAP_SCOPE_SUBTREE:
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break;
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default:
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send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
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NULL, "invalid scope", NULL, NULL );
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goto return_results;
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}
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switch( deref ) {
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case LDAP_DEREF_NEVER:
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case LDAP_DEREF_FINDING:
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case LDAP_DEREF_SEARCHING:
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case LDAP_DEREF_ALWAYS:
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break;
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default:
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send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
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NULL, "invalid deref", NULL, NULL );
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goto return_results;
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}
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rc = dnPretty( NULL, &base, &pbase );
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if( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"do_search: conn %d invalid dn (%s)\n",
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conn->c_connid, base.bv_val ));
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#else
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Debug( LDAP_DEBUG_ANY,
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"do_search: invalid dn (%s)\n", base.bv_val, 0, 0 );
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#endif
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send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid DN", NULL, NULL );
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goto return_results;
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}
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rc = dnNormalize( NULL, &base, &nbase );
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if( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"do_searc: conn %d invalid dn (%s)\n",
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conn->c_connid, base.bv_val ));
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#else
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Debug( LDAP_DEBUG_ANY,
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"do_search: invalid dn (%s)\n", base.bv_val, 0, 0 );
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#endif
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send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid DN", NULL, NULL );
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goto return_results;
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}
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
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"do_search \"%s\" %d %d %d %d %d\n", base.bv_val, scope,
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deref, sizelimit, timelimit, attrsonly ));
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#else
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Debug( LDAP_DEBUG_ARGS, "SRCH \"%s\" %d %d", base.bv_val, scope, deref );
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Debug( LDAP_DEBUG_ARGS, " %d %d %d\n", sizelimit, timelimit,
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attrsonly);
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#endif
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/* filter - returns a "normalized" version */
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rc = get_filter( conn, op->o_ber, &filter, &fstr, &text );
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if( rc != LDAP_SUCCESS ) {
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if( rc == SLAPD_DISCONNECT ) {
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, text );
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} else {
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send_ldap_result( conn, op, rc,
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NULL, text, NULL, NULL );
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}
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goto return_results;
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}
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
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"do_search: conn %d filter: %s\n", conn->c_connid, fstr ));
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#else
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Debug( LDAP_DEBUG_ARGS, " filter: %s\n", fstr, 0, 0 );
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#endif
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/* attributes */
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if ( ber_scanf( op->o_ber, /*{*/ "{V}}", &attrs ) == LBER_ERROR ) {
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding attrs error" );
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rc = SLAPD_DISCONNECT;
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goto return_results;
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}
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if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"do_search: conn %d get_ctrls failed (%d)\n",
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conn->c_connid, rc ));
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#else
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Debug( LDAP_DEBUG_ANY, "do_search: get_ctrls failed\n", 0, 0, 0 );
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#endif
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goto return_results;
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}
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rc = LDAP_SUCCESS;
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
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"do_search: conn %d attrs:", conn->c_connid ));
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#else
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Debug( LDAP_DEBUG_ARGS, " attrs:", 0, 0, 0 );
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#endif
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if ( attrs != NULL ) {
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for ( i = 0; attrs[i] != NULL; i++ ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
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"do_search: %s", attrs[i]->bv_val ));
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#else
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Debug( LDAP_DEBUG_ARGS, " %s", attrs[i]->bv_val, 0, 0 );
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#endif
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}
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}
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ARGS, "\n" ));
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#else
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Debug( LDAP_DEBUG_ARGS, "\n", 0, 0, 0 );
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#endif
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Statslog( LDAP_DEBUG_STATS,
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"conn=%ld op=%d SRCH base=\"%s\" scope=%d filter=\"%s\"\n",
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op->o_connid, op->o_opid, pbase->bv_val, scope, fstr );
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manageDSAit = get_manageDSAit( op );
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if ( scope == LDAP_SCOPE_BASE ) {
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Entry *entry = NULL;
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if ( strcasecmp( nbase->bv_val, LDAP_ROOT_DSE ) == 0 ) {
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#ifdef LDAP_CONNECTIONLESS
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/* Ignore LDAPv2 CLDAP DSE queries */
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if (op->o_protocol==LDAP_VERSION2 && conn->c_is_udp) {
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goto return_results;
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}
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#endif
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/* check restrictions */
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rc = backend_check_restrictions( NULL, conn, op, NULL, &text ) ;
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if( rc != LDAP_SUCCESS ) {
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send_ldap_result( conn, op, rc,
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NULL, text, NULL, NULL );
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goto return_results;
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}
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rc = root_dse_info( conn, &entry, &text );
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}
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#if defined( SLAPD_SCHEMA_DN )
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else if ( strcasecmp( nbase->bv_val, SLAPD_SCHEMA_DN ) == 0 ) {
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/* check restrictions */
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rc = backend_check_restrictions( NULL, conn, op, NULL, &text ) ;
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if( rc != LDAP_SUCCESS ) {
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send_ldap_result( conn, op, rc,
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NULL, text, NULL, NULL );
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goto return_results;
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}
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rc = schema_info( &entry, &text );
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}
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#endif
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if( rc != LDAP_SUCCESS ) {
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send_ldap_result( conn, op, rc,
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NULL, text, NULL, NULL );
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goto return_results;
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} else if ( entry != NULL ) {
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rc = test_filter( NULL, conn, op,
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entry, filter );
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if( rc == LDAP_COMPARE_TRUE ) {
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send_search_entry( NULL, conn, op,
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entry, attrs, attrsonly, NULL );
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}
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entry_free( entry );
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send_ldap_result( conn, op, LDAP_SUCCESS,
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NULL, NULL, NULL, NULL );
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goto return_results;
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}
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}
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if( !nbase->bv_len && default_search_nbase.bv_len ) {
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ch_free( base.bv_val );
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ch_free( nbase->bv_val );
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base.bv_val = ch_strdup( default_search_base.bv_val );
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base.bv_len = default_search_base.bv_len;
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nbase->bv_val = ch_strdup( default_search_nbase.bv_val );
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nbase->bv_len = default_search_nbase.bv_len;
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}
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/*
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* We could be serving multiple database backends. Select the
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* appropriate one, or send a referral to our "referral server"
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* if we don't hold it.
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*/
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if ( (be = select_backend( nbase, manageDSAit, 1 )) == NULL ) {
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struct berval **ref = referral_rewrite( default_referral,
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NULL, pbase->bv_val, scope );
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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NULL, NULL, ref ? ref : default_referral, NULL );
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ber_bvecfree( ref );
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goto return_results;
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}
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/* check restrictions */
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rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
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if( rc != LDAP_SUCCESS ) {
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send_ldap_result( conn, op, rc,
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NULL, text, NULL, NULL );
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goto return_results;
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}
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/* check for referrals */
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rc = backend_check_referrals( be, conn, op, pbase, nbase );
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if ( rc != LDAP_SUCCESS ) {
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goto return_results;
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}
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/* deref the base if needed */
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suffix_alias( be, nbase );
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/* actually do the search and send the result(s) */
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if ( be->be_search ) {
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(*be->be_search)( be, conn, op, pbase->bv_val, nbase->bv_val,
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scope, deref, sizelimit,
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timelimit, filter, fstr, attrs, attrsonly );
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} else {
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
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NULL, "operation not supported within namingContext", NULL, NULL );
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}
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return_results:;
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free( base.bv_val );
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if( pbase != NULL) ber_bvfree( pbase );
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if( nbase != NULL) ber_bvfree( nbase );
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if( fstr != NULL) free( fstr );
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if( filter != NULL) filter_free( filter );
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if ( attrs != NULL ) {
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ber_bvecfree( attrs );
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}
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return rc;
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}
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