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128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
/* referral.c - LDBM backend referral handler */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2006 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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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 "slap.h"
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#include "back-ldbm.h"
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int
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ldbm_back_referrals(
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Operation *op,
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SlapReply *rs )
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{
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struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
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Entry *e, *matched;
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int rc = LDAP_SUCCESS;
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if( op->o_tag == LDAP_REQ_SEARCH ) {
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/* let search take care of itself */
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return LDAP_SUCCESS;
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}
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if( get_manageDSAit( op ) ) {
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/* let op take care of DSA management */
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return LDAP_SUCCESS;
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}
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/* grab giant lock for reading */
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ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
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/* get entry with reader lock */
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e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched );
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if ( e == NULL ) {
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if ( matched != NULL ) {
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rs->sr_matched = ch_strdup( matched->e_dn );
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Debug( LDAP_DEBUG_TRACE,
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"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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op->o_tag, op->o_req_dn.bv_val, rs->sr_matched );
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if ( is_entry_referral( matched ) ) {
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rc = rs->sr_err = LDAP_OTHER;
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rs->sr_ref = get_entry_referrals( op, matched );
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}
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cache_return_entry_r( &li->li_cache, matched );
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} else if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) && default_referral != NULL ) {
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rc = rs->sr_err = LDAP_OTHER;
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rs->sr_ref = referral_rewrite( default_referral,
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NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
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}
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ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
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if ( rs->sr_ref != NULL ) {
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/* send referrals */
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rc = rs->sr_err = LDAP_REFERRAL;
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} else {
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rs->sr_text = rs->sr_matched ? "bad referral object" : "bad default referral";
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}
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if ( rc != LDAP_SUCCESS ) {
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send_ldap_result( op, rs );
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}
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if ( rs->sr_matched ) free( (char *)rs->sr_matched );
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if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
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rs->sr_text = NULL;
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rs->sr_ref = NULL;
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rs->sr_matched = NULL;
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return rc;
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}
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if ( is_entry_referral( e ) ) {
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/* entry is a referral */
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BerVarray refs = get_entry_referrals( op, e );
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rs->sr_ref = referral_rewrite(
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refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
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Debug( LDAP_DEBUG_TRACE,
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"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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op->o_tag, op->o_req_dn.bv_val, e->e_dn );
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rs->sr_matched = e->e_name.bv_val;
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if( rs->sr_ref != NULL ) {
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rc = rs->sr_err = LDAP_REFERRAL;
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rs->sr_text = NULL;
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} else {
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rc = rs->sr_err = LDAP_OTHER;
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rs->sr_text = "bad referral object";
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}
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send_ldap_result( op, rs );
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if ( refs != NULL ) ber_bvarray_free( refs );
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rs->sr_err = rc;
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rs->sr_ref = NULL;
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rs->sr_text = NULL;
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rs->sr_matched = NULL;
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}
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cache_return_entry_r( &li->li_cache, e );
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ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
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return rc;
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}
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